• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Machine for the packaging of food products from a continuous tubular, comprising a feeding station (100) for supplying the continuous tubular (2); a first generation station (200) for cutting a portion (3) of the continuous tubular (2) and creating a first welding line (4) on said portion (3) to form the base of a bag (b1, b2); a transfer station (300) for transferring the bag (b1, b2) to a filling station (400a, 400b); a collection station (500a, 500b) for collecting the bag (b1, b2) after filling; a second generation station (600a, 600b) to receive the bag (b1, b2) from the collection station (500a, 500b) and create a second welding line (5) on the portion (3) to close the bag ( b1, b2); and an expedition station (700) to issue the bag (b1, b2) after filling and closing. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2615000A1
    申请号:ES201730045
    申请日:2017-01-17
    公开日:2017-06-02
    发明作者:Juan Carlos DE CLASCA CABRÉ
    申请人:PREFORMADOS TUBULARES SL；
    IPC主号:
    专利说明:

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    Machine for packaging food products from
    A CONTINUOUS TUBULAR
    DESCRIPTION
    Field of the invention
    The present invention relates to a machine for the packaging of food products, especially fruit or vegetable products or the like, which feeds on a continuous tubular, or preformed tubular, from which bags are formed with the product packaged therein.
    The machine of the present invention has been specially designed to optimize and simplify the packaging procedures known in the sector, presenting with respect thereto; greater energy efficiency, greater efficiency of packaging processes and greater use of the benefits offered by existing continuous tubulars.
    Background of the invention
    The continuous tubular for the formation of bags, also known as preformed tubular, have meant an important advance in the food packaging industry in general, and especially in the fruit and vegetable products and similar products. These tubulars are usually supplied rolled in coils for later loading in the packaging machines. During the packaging process, the machine feeds on the preformed tubular continuously and automatically, calibrating the length, cutting, and sealing its base for loading the product, in successive stations. The process of forming the bag usually involves heat sealing of two parallel parallel strips of the continuous tubular between which the product is contained. The bag can be completed with other transport elements, such as handles, added during the sealing of the transverse strips, or formed by punching them. Document ES2380037A1 shows an example of such machines.
    At the same time, the demands of the final consumers, in terms of the presentation of the packaged product and in terms of having more information about it (origin, distributor, etc.) have been increasing in recent times, giving
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    place to new continuous tubular.
    One of them can be seen in document ES1143035U, which shows a continuous tubular for the packaging of fruit and vegetable products, such as potatoes, in rustic-looking bags. These bags are usually opaque, usually made with paper-based or paper-like materials, and often containing in their interior remains derived from the collection of the product, such as soil, so that the consumer has the feeling that it is of a more ecological product.
    Another of them can be seen in document ES1144008U, which shows a continuous tubular for the packaging of certain products such as tomatoes, plums, peaches or strawberries in “basket” type bags, also called baskets, which generate a greater interest on consumers.
    Although these new continuous tubulars are compatible with some existing packaging machines, especially the one shown in document ES2380037A1, these machines have certain limitations and / or inconveniences, among which are:
    - The need to have a conveyor belt that links all the stations of the process, giving rise to packaging machines of greater size and cost.
    - The need to have to work with fixed opening lengths of the mouth of the bag, before filling it, preventing certain continuous tubulars from being used. Specifically, those with lower bellows, which instead are those with greater resistance and require less material.
    - The difficulties and limitations generated by the use of suction cups in the process of forming handles made using plastic tapes or strips, or other materials, supplied in reels, which admit a very small range of materials, weights and textures.
    - Difficulties to maximize the benefits of the new continuous tubular for the formation of baskets, preventing for example that welding lines can be made in the lower and upper part of the same opposite and inclined between them, acquiring with them said baskets a conical shape that increases its stability.
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    The present invention solves the above problems by means of a packaging machine that does not require a conveyor belt that links the process stations, which allows regulating the opening of the bag to work with any type of continuous tubular, which optimizes and speeds up the formation process of the handle without using suction cups, and that allows welding lines to be made at the bottom and top of the bag opposite and inclined to each other to maximize the benefits of the new continuous tubular. Likewise, the packaging machine of the present invention also allows optimizing and simplifying the known packaging procedures through a reduced number of much more efficient processes, with lower energy consumption and with lower noise levels. Finally, given its mechanical simplicity, it is an easy machine to implement, compatible with existing machines and / or packaging lines, as well! as easy maintenance according to the accessibility offered by the entire product circuit.
    Description of the invention
    The machine for packaging food products from a continuous tubular of the present invention comprises:
    • a feeding station to supply the continuous tubular;
    • a first generation station configured for:
    - cut a portion of the continuous tubular; Y
    - create at least a first welding line on said portion to form the base of a bag;
    • a transfer station configured to transfer the bag to a filling station;
    • a collection station configured to pick up the bag after filling;
    • a second generation station configured for:
    - receive the bag from the collection station; Y
    - create at least a second welding line on the portion to close the bag; Y
    • an expedition station configured to issue the bag after filling and closing.
    Preferably, the power station comprises:
    • a first continuous tubular coil configured to rotate in the opposite direction to the continuous tubular advance direction, by means of a first motor that allows
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    maintain a constant continuous tubular supply voltage; Y
    • a first set of dosing rollers configured to receive the continuous tubular and pull it down by means of a first dosing motor, so that said continuous tubular falls by gravity; Y
    • a braking device configured to stop the advance of the continuous tubular once a certain length of the same is supplied, or once a mark printed therein has been reached detected by a photocell.
    Preferably, the first generation station comprises:
    • a first set of jaws that close against each other to catch a free end of the continuous tubular, and have first welding elements to create the first welding line; Y
    • a first blade to cut a portion of the continuous tubular.
    Preferably, the transfer station comprises a rotation column, which in turn has:
    • a first conveyor arm configured to collect a first bag generated at the first generation station, whose end has:
    - a first set of upper clamps, equipped with opening and closing movement, which allow the upper part of the first bag to be held; Y
    - a first set of lower clamps, equipped with opening and closing movement, which allow the lower part of the first bag to be held; Y
    • a second transport arm, symmetrical to the first transport arm, configured to collect a second bag generated at the first generation station, the end of which has:
    - a second set of upper clamps, equipped with opening and closing movement, which allow the upper part of the second bag to be held; Y
    - a second set of lower clamps, equipped with opening and closing movement, which allow the lower part of the second bag to be held.
    The first set of upper clamps and the second set of lower clamps form a first group operated by a first linear actuator, while the second set of upper clamps and the second set of lower clamps form a second group operated by a second linear actuator. In turn, each set of clamps closes against each other, although the actuator only activates one of the two clamps, since the other
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    it travels in the reverse direction due to the gears located in each of its axes of rotation.
    Preferably, the filling station comprises at least one filler for dosing the food product in the bag, once the upper part of said bag is opened in an adjustable opening length or distance, for example, using servomotors.
    Preferably, the filling station comprises a receiving carriage configured to receive the transfer station bag and move along a loading bridge arranged in said filling station.
    In turn, the reception car comprises:
    • an inner plate configured to move along the load bridge at an adjustable internal distance; Y
    • an outer plate, facing the inner plate, configured to move along the load bridge at an adjustable outer distance;
    where the inner plate and the outer plate are joined defining an opening, or laterally open groove, which leaves a section of the bag free for collection by the collection station after filling.
    To achieve all these positions, each plate is attached to a scroll bar arranged perpendicular to the loading bridge, which in turn has a set of pinions that engage on a set of zippers arranged longitudinally on said loading bridge. Where each set of pinons is driven by a servomotor to allow movement of the scroll bar along the loading bridge.
    The inner plate and the outer plate trap, move and open each bag for filling. Preferably, the inner plate and the outer plate comprise a pair of oval facing suction cups, within which a vacuum is created that acts on both opposite faces of the upper part of the bag, allowing their separation in collaboration with synchronized displacement in opposite directions of the inner plate and the outer plate. Preferably the vacuum of the suction cups and their subsequent release of the faces of the top of the bag
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    It originates through the use of motorized pistons with position control that move within a closed space connected to the suction cups and faces. This avoids the use of pneumatic ejectors that operate by Venturi effect causing a controlled, extremely noisy controlled air leak.
    Preferably, the filling station comprises a hammering iron arranged under the bag, which has an upward movement to hit the base of the bag once it is filled. This allows the product contained in the bag to reposition itself due to the action of its weight, occupying empty spaces in the bag, especially at the bottom of the bag, in order to achieve a better filling and use of the capacity of Said bag
    Preferably, the collection station comprises a mobile frame that has a set of collection clamps, equipped with opening and closing movement, configured to collect the bag after filling.
    Preferably, the mobile frame is configured to move perpendicularly to the receiving car. In turn, the set of pick-up clamps catches the bag through the opening and carries it sliding along it.
    Preferably, the second generation station comprises a second set of jaws that close against each other to trap the top of the bag, and which have a second welding element to create the second welding line.
    In order to make the most of the benefits of the new continuous tubular for the formation of baskets, preferably the first welding elements and the second welding elements have opposite inclinations, so that the first welding line and the second welding line they have opposite inclinations in the same way. This allows said baskets to adopt a conical container shape that increases their stability.
    Preferably, the second set of jaws additionally comprises a set of die-cutting blades that close against each other to punch the upper part of the bag, when required.
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    In order to be able to form a handle or gripping element, in those bags that require it, preferably the second generation station additionally comprises:
    • a second coil of handle tape configured to rotate by a second motor;
    • a second set of dosing rollers configured to receive the handle tape and pull it by means of a second dosing motor;
    • an arched rail that allows the advance of the handle belt over it due to the action of the second set of metering rollers;
    • a presence detector that allows the handle belt to stop when the initial end of it reaches the end of the arched rail; Y
    • a second blade for cutting an arc portion of the handle tape disposed on the arcuate rail when the initial end of said handle tape reaches the end end of said arcuate rail.
    Preferably, the arched rail opened on one side is attached on the other side to a plate that has lateral movement. Said movement allows that, once the clamps have clamped the generated arc and the second blade has cut the arc portion of the handle tape, a folding arm that supports the set of clamping clamps; it bends over the second set of jaws, the ends of the arc portion being arranged between the second welding elements. During the folding of the arm, the two bases of the two clamps make a 90 degree turn by placing the projecting ends of the clamps in the same plane, in order to achieve a more resistant weld.
    Preferably, the expedition station comprises a discharge orifice disposed under the second generation station that leads to an exit ramp configured to receive the bag after its release by the second generation station.
    Brief description of the drawings
    Next, a series of drawings that help to better understand the invention and that expressly relate to an embodiment of said invention that are presented as a non-limiting example thereof are described very briefly.
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    Figure 2 shows a front view of Figure 1.
    Figure 3 shows a schematic view of the feeding station and the first generation station.
    Figure 4 shows a perspective view of the transfer station.
    Figure 5 shows a schematic partial plan view of the machine of Figure 1.
    Figure 6 shows a partial schematic elevation view of the machine of Figure 1.
    Figure 7 shows a partial perspective view of the first reception car.
    Figure 8 shows a partial perspective view of the first or second collection station, as well as the expedition station.
    Figure 9 shows a partial perspective view of the first or second filling station, the first or second collection station, as well as the dispatch station.
    Figures 10a and 10b show a sequence of operation of the collection of the first bag by the first collection station.
    Figure 11 shows a first perspective view of the second generation station.
    Figure 12 shows a second perspective view of the second generation station together with the dispatch station.
    Figure 13 shows a perspective view of a basket type bag formed
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    Figure 14 shows a front view of the basket type bag of Figure 13. Detailed description of the invention
    As can be seen in Figures 1 and 2, the machine (1) for packaging food products (P) from a continuous tubular (2) of the present invention comprises:
    • a power station (100) to supply the continuous tubular (2);
    • a first generation station (200) configured to:
    - cut a portion (3) of the continuous tubular (2), figure 3; Y
    - creating a first welding line (4) on said portion (3) to form the base of a bag (B1, B2), figure 3;
    • a transfer station (300) configured to transfer a first bag (B1) to a first filling station (400A), and a second bag (B2) to a second filling station (400B);
    • a first collection station (500A) configured to collect the first bag (B1) after filling;
    • a second collection station (500B) configured to collect the second bag (B2) after filling;
    • a second generation station (600A) configured to:
    - receive the first bag (B1) from the first collection station (500A); Y
    - create a second welding line (5) on the portion (3) of the first bag (B1) to close said first bag (B1); Y
    • a third generation station (600B) configured to:
    - receive the second bag (B2) from the second collection station (500B); Y
    - creating a second welding line (5) on the portion (3) of the second bag (B2) to close said second bag (B2); Y
    • an expedition station (700) configured to issue the first and second bags (B1, B2) after filling and closing.
    As can be seen in figure 3, the power station (100) comprises:
    • a first coil (101) of continuous tubular (2) configured to rotate in the opposite direction to the direction of advance (A) of the continuous tubular (2), by means of a first motor (102) that allows to maintain a supply voltage of the continuous tubular
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    (2) constant; Y
    • a first set of metering rollers (103) configured to receive the continuous tubular (2) and pull it down by means of a first dosing motor (104), so that said continuous tubular (2) falls by gravity; Y
    • a braking device (105) configured to stop the advance of the continuous tubular (2) once a certain length (2L) of the same has been supplied, or once a mark printed therein has been reached detected by a photocell (106).
    In turn, the first generation station (200) comprises:
    • a first set of jaws (201) that close against each other to catch a free end (2a) of the continuous tubular (2), and that have first welding elements (202) to create the first welding line ( 4); Y
    • a first blade (203) to cut a portion (3) of the continuous tubular (2).
    As can be seen in Figure 4, the transfer station (300) comprises a rotation column (301), which in turn has:
    • a first conveyor arm (310) configured to collect a first bag (B1) generated at the first generation station (200), the end of which has:
    - a first set of upper clamps (311), equipped with opening and closing movement, which allow the upper part of the first bag (B1) to be held; Y
    - a first set of lower clamps (312), equipped with opening and closing movement, which allow the lower part of the first bag (B1) to be held; Y
    • a second transport arm (320), symmetrical to the first transport arm (310), configured to pick up a second bag (B2) generated in the first generation station (200), the end of which has:
    - a second set of upper clamps (321), provided with opening and closing movement, which allow the upper part of the second bag (B2) to be held; Y
    - a second set of lower clamps (322), equipped with opening and closing movement, which allow the lower part of the second bag (B2) to be held.
    The first set of upper clamps (311) and the second set of lower clamps (312) form a first group operated by a first linear actuator (313), while the second set of upper clamps (321) and the second set of clamps Lower (322) form a second group operated by a second linear actuator (323). In turn, each set of pliers (311, 312, 321, 322) close against each other.
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    As can be seen in Figures 5-7, the first filling station (400A) comprises a first filler (401A) for dosing the food product (P) in the first bag (B1), once the upper part of said bag is opened (B1) at an adjustable opening length (d), while the second filling station (400B) comprises a second filler (401B) for dosing the food product (P) in the second bag (B2), once the upper part of said bag (B2) at an adjustable opening length (d).
    The first filling station (400A) comprises a first receiving carriage (410A) configured to receive the first bag (B1) of the transfer station (300) and move along a loading bridge (402), while The second filling station (400B) comprises a second receiving carriage (410B) configured to receive the second bag (B2) of the transfer station (300) and move along said loading bridge (402).
    In turn, each reception cart (410A, 410B) comprises:
    • an inner plate (411A, 411B) configured to move along the loading bridge (402) at an adjustable internal distance (d |); Y
    • an outer plate (412A, 412B), facing the inner plate (411A, 411B), configured to move along the load bridge (402) at an adjustable outer distance (dE);
    where the inner plate (411A, 411B) and the outer plate (412A, 412B) are joined defining an opening (420A, 420B), or laterally open groove, which leaves a section of the bag (B1, B2) free for collection by the collection station (500A, 500B) after filling.
    To achieve all these positions, each plate (411A, 411B, 412A, 412B) is attached to a scroll bar (413A, 413B, 414A, 414B) arranged perpendicular to the loading bridge (402). In turn, each plate (411A, 411B, 412A, 412B) has a set of pins (415) that meshes on a set of zippers (416) arranged longitudinally on said loading bridge (402). Where each set of pinions (415) is driven by a servomotor (417A, 417B, 418A, 418B) to respectively allow movement of the scroll bar (413A, 413B, 414A, 414B) along the loading bridge ( 402).
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    The inner plate (411A, 411B) and the outer plate (412A, 412B) trap, transfer and open each bag (B1, B2) for filling. To do this, the inner plate (411A, 411B) and the outer plate (412A, 412B) comprise a pair of facing suction cups (419), within which a vacuum is created that acts on both opposite sides of the part top of the bag (B1, B2), allowing their separation in collaboration with synchronized displacement in opposite directions of the inner plate (411A, 411B) and the outer plate (412A, 412B).
    As can be seen in figures 8 and 9, each filling station (400A, 400B) comprises a hammering iron (440A, 440B) arranged under the bag (B1, B2), which has an upward movement (F) to hit the base of the bag (B1, B2) once filled. This allows the product contained in the bag (B1, B2) to reposition itself due to the action of its weight, occupying empty spaces in the bag, especially at the bottom of it, in order to achieve a better filling and capacity utilization of said bag (B1, B2).
    Each collection station (500A, 500B) comprises a mobile frame (510A, 510B) that has a set of collection clamps (520A, 520B), equipped with opening and closing movement, configured to collect the bag (B1, B2) after filling. In turn, the mobile frame (510A, 510B) is configured to travel perpendicular to the reception car (410A, 410B).
    The expedition station (700) comprises a discharge orifice (701) disposed under the second and third generation stations (600A, 600B) that leads to an exit ramp (702) configured to receive the bag (B1, B2) after its release by said generation station (600A, 600B).
    As can be seen in figures 10a and 10b, the first set of pick-up pliers (520A) catches the first bag (B1) through the first opening (420A) and is carried along it sliding along its side open.
    As can be seen in figures 11 and 12, each generation station (600A, 600B) comprises a second set of jaws (601) that close against each other to catch the upper part of the bag (B1, B2), and which they have a few second welding elements (602) to create the second welding line (5). At the same time,
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    The second set of jaws (601) additionally comprises a set of punching blades (603) that close against each other to punch the upper part of the bag (B1, B2), when required.
    In order to be able to form a handle or gripping element in the bag (B1, B2), the second generation station (600A, 600B) additionally comprises:
    • a second coil (604) of handle tape (6) configured to rotate by a second motor (605);
    • a second set of dosing rollers (606) configured to receive the handle tape (6) and pull it by means of a second dosing motor (607);
    • an arched rail (608) that allows the advance of the handle belt (6) on it due to the action of the second set of metering rollers (606);
    • a presence detector (609) that allows the handle belt (6) to stop advancing when the initial end (6a) thereof reaches the final end of the arcuate rail (608); Y
    • a second blade (610) for cutting an arc portion (7) of the handle tape (6) disposed on the arcuate rail (608) when the initial end (6a) of said handle tape (6) reaches the end end of said arched rail (608).
    The arched rail (608) is arranged in a folding arm (611) that has a set of clamps (612) that allow the fastening of the arch portion (7) once the handle tape (6) has been cut; wherein said folding arm (611) is configured to fold over the second set of jaws (601), the ends of the arc portion (7) being arranged between the second welding elements (602).
    Figures 13 and 14 show a perspective view of a bag (B1, B2) of the basket type formed by the packaging machine (1) of the present invention. As can be seen, the first welding line (4) and the second welding line (5) have opposite inclinations that allow the bag (B1, B2) obtained to adopt a conical container shape that increases its stability. To do this, the first welding elements (202) and the second welding elements (602) also have opposite inclinations.
    According to the configuration example of the packaging machine (1) described
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    previously, the following logical sequence of operation was established.
    The packaging process starts at the feeding station (100), driving the first dosing motor (104) of the first set of rollers (103), 100 mm in diameter, to dose a certain length (2L) of continuous tubular (2). At the same time, the first motor (102), makes a counter-clockwise rotation of the first coil (101) corresponding to 2% of the feed rate of the continuous tubular (2) to achieve a constant tension thereof .
    When a length (2L) of continuous tubular (2) of the order of 320 to 600 mm is reached, the braking device (105) stops its advance. This is done after receiving the signal from a photocell (106), once it detects a macula or mark printed on said continuous tubular (2).
    Once the desired continuous tubular length (2L) (2) is obtained, the first set of jaws (201) of the first generation station (200) are closed against each other to trap a free end (2a) of said continuous tubular (2). The first welding elements (202) advance on said free end (2a), and recede after an adjustable time of 10 to 70 ms, to create the first welding line (4). Simultaneously, the first blade (203) moves forward and goes back to the beginning to cut a portion (3) of the continuous tubular (2). Finally, the first set of jaws (201) is opened after an adjustable time between 0 and 30 ms, and the geared motors (102, 104) of the supply station (100) are activated again to dose more continuous tubular (2) in the desired length (2L).
    The continuous tubular (2) is received by the transfer station (300) by the first set of upper clamps (311) and the second set of lower clamps (312) of the first conveyor arm (310), whose clamps are kept open until that the desired length (2L) of continuous tubular (2) is reached. Once this happens, the clamps (311, 312) are closed to keep the tubular continuous (2), before and after it is cut forming the portion (3). At this point, the portion (3) already carries the first welding line (4), obtained in the previous work cycle, which forms the basis of a first bag (B1).
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    Once said first bag (B1) is held, the first conveyor arm (310) makes a 90 ° turn to transfer it to the first filling station (400A). Simultaneously, the second conveyor arm (320) rotates another 90 ° in the same direction to be placed under the first generation station (200) and receive a second bag (B2), to later transfer it to the second filling station (400B ), allowing to produce double in each work cycle.
    The first bag (B1) is received at the filling station (400A) by the first receiving car (410A), whose inner and outer plates (411A, 411B) move individually along the loading bridge (402) to go find said first bag (B1), catch it and move it under the first filler (401A). Once the first bag (B1) is placed under the first filler (401A), the suction cups (419) are connected for an adjustable time between 30 and 70 ms. The inner plate (411A) and the outer plate (411A, 411B) move in the opposite direction to an adjustable opening length (d), leaving the upper part of the first bag (B1) open for filling.
    At that time the hopper gate of the first filler (401A) is opened and the product (P) falls into the first bag (B1). Subsequently, said first bag (B1) is struck by the first firing plate (440A), for a programmable number of times from 1 to 3 and up to a programmable height of 0 to 200 mm.
    Once the first bag (B1) is filled, it is collected by the first collection station (500A). The first bag (B1) leaves the first filling station (400A) by means of a first set of collection clamps (520A) equipped with electromagnets, which catch the bag (B1) through the first opening (420A), and are they slide along it, leaving on its open side to the second generation station (600A).
    The second set of jaws (601) of the second generation station (600A) close against each other to catch the top of the first bag (B1). The second welding elements (602) move forward and backward after an adjustable time of 10 to 70 ms, to create the second welding line (5) that closes the bag (B1). Simultaneously, the die cutter set (603) moves forward and goes back to the beginning. Finally, the second set of jaws (601) is opened after an adjustable time between 0 and 30 ms.
    Subsequently, the electromagnets of the first set of collection clamps (520A) are deactivated and the bag (B1), already closed, falls by gravity through the discharge hole (701) of the dispatch station (700) to slide along the slide or 5 exit ramp (702).
    权利要求:
    Claims (16)
    [1]
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    1. Machine for packaging food products from a continuous tubular, characterized in that it comprises:
    • a power station (100) to supply the continuous tubular (2);
    • a first generation station (200) configured to:
    - cut a portion (3) of the continuous tubular (2); Y
    - create a first welding line (4) on said portion (3) to form the base of a bag (B1, B2);
    • a transfer station (300) configured to transfer the bag (B1, B2) to a filling station (400A, 400B);
    • a collection station (500A, 500B) configured to collect the bag (B1, B2) after filling;
    • a second generation station (600A, 600B) configured to:
    - receive the bag (B1, B2) from the collection station (500A, 500B); Y
    - create a second welding line (5) on the portion (3) to close the bag (B1, B2); Y
    • an expedition station (700) configured to issue the bag (B1, B2) after filling and closing.
    [2]
    2. Machine for packaging food products from a continuous tubular according to revindication 1, characterized in that the feeding station (100) comprises:
    • a first continuous tubular coil (101) (2) configured to rotate in the opposite direction to the direction of advance (A) of the continuous tubular (2), by means of a first motor (102) that allows to maintain a continuous tubular supply voltage (2) constant; Y
    • a first set of dosing rollers (103) configured to receive the continuous tubular (2) and pull it down by means of a first dosing motor (104); Y
    • a braking device (105) configured to stop the advance of the continuous tubular (2) once a certain length (2L) of the same has been supplied, or once a mark printed therein has been reached detected by a photocell (106).
    [3]
    3. Machine for packaging food products from a continuous tubular
    18
    5
    10
    fifteen
    twenty
    25
    30
    35
    according to any of claims 1 to 2, characterized in that the first generation station (200) comprises:
    • a first set of jaws (201) that close against each other to catch a free end (2a) of the continuous tubular (2), and that have first welding elements (202) to create the first welding line ( 4); Y
    • a first blade (203) to cut a portion (3) of the continuous tubular (2).
    [4]
    4. Machine for the packaging of food products from a continuous tubular according to any of claims 1 to 3, characterized in that the transfer station (300) comprises a rotation column (301), which in turn has:
    • a first conveyor arm (310) configured to collect a first bag (B1) generated at the first generation station (200), the end of which has:
    - a first set of upper clamps (311), equipped with opening and closing movement, which allow the upper part of the first bag (B1) to be held; Y
    - a first set of lower clamps (312), equipped with opening and closing movement, which allow the lower part of the first bag (B1) to be held; Y
    • a second transport arm (320), symmetrical to the first transport arm (310), configured to pick up a second bag (B2) generated in the first generation station (200), the end of which has:
    - a second set of upper clamps (321), provided with opening and closing movement, which allow the upper part of the second bag (B2) to be held; Y
    - a second set of lower clamps (322), equipped with opening and closing movement, which allow the lower part of the second bag (B2) to be held.
    [5]
    5. Machine for packaging food products from a continuous tubular according to any of claims 1 to 4, characterized in that the filling station (400A, 400B) comprises at least one filler (401A, 401B) for dosing the product food (P) in the bag (B1, B2), once the upper part of said bag (B1, B2) is opened at an adjustable opening length (d).
    [6]
    6. Machine for packaging food products from a continuous tubular according to any one of claims 1 to 5, characterized in that the filling station (400A, 400B) comprises a reception carriage (410A, 410B) configured to receive the bag (B1, B2) of the transfer station (300) and move along a loading bridge (402) disposed in said filling station (400A, 400B).
    5
    10
    fifteen
    twenty
    25
    30
    35
    [7]
    7. Machine for packaging food products from a continuous tubular according to claim 6, characterized in that the receiving car (410A, 410B) comprises:
    • an inner plate (411A, 411B) configured to move along the loading bridge (402) at an adjustable internal distance (d |); Y
    • an outer plate (412A, 412B), facing the inner plate (411A, 411B), configured to move along the load bridge (402) at an adjustable outer distance (dE);
    where the inner plate (411A, 411B) and the outer plate (412A, 412B) are joined defining an opening (420A, 420B) that leaves a section of the bag free (B1, B2) for collection by the collection station ( 500A, 500B) after filling.
    [8]
    8. Machine for packaging food products from a continuous tubular according to any one of claims 1 to 7, characterized in that the filling station (400A, 400B) comprises a hammering iron (440A, 440B) arranged under the bag ( B1, B2), which presents an upward movement (F) to hit the base of the bag (B1, B2) once filled.
    [9]
    9. Machine for packaging food products from a continuous tubular according to any one of claims 1 to 8, characterized in that the collection station (500A, 500B) comprises a mobile frame (510A, 510B) which has a set of collection clamps (520A, 520B), equipped with opening and closing movement, configured to collect the bag (B1, B2) after filling.
    [10]
    10. Machine for packaging food products from a continuous tubular according to claims 7 and 9, characterized in that the mobile frame (510A, 510B) is configured to move perpendicularly to the receiving carriage (410A, 410B); and because the set of pick-up tongs (520A, 520B) catch the bag (B1, B2) through the opening (420A, 420B).
    [11]
    11. Machine for packaging food products from a continuous tubular according to any of claims 1 to 10, characterized in that the second generation station (600A, 600B) comprises a second set of jaws (601) that close a counter the other to catch the top of the bag (B1, B2), and that have a few second welding elements (602) to
    5
    10
    fifteen
    twenty
    25
    30
    35
    create the second welding line (5).
    [12]
    12. Machine for packaging food products from a continuous tubular according to claim 11, characterized in that the second set of jaws (601) additionally comprises a set of punching blades (603) that close against each other for die cutting the top of the bag (B1, B2).
    [13]
    13. Machine for packaging food products from a continuous tubular according to any of claims 1 to 12, characterized in that the second generation station (600A, 600B) additionally comprises:
    • a second coil (604) of handle tape (6) configured to rotate by a second motor (605);
    • a second set of dosing rollers (606) configured to receive the handle tape (6) and pull it by means of a second dosing motor (607);
    • an arched rail (608) that allows the advance of the handle belt (6) on it due to the action of the second set of metering rollers (606);
    • a presence detector (609) that allows the handle belt (6) to stop advancing when the initial end (6a) thereof reaches the final end of the arcuate rail (608); Y
    • a second blade (610) for cutting an arc portion (7) of the handle tape (6) disposed on the arcuate rail (608) when the initial end (6a) of said handle tape (6) reaches the end end of said arched rail (608).
    [14]
    14. Machine for the packaging of food products from a continuous tubular according to claims 11 and 13, characterized in that the arched rail (608) is arranged in a folding arm (611) that has a set of clamps ( 612) that allow the fastening of the arch portion (7) once the handle tape (6) has been cut; wherein said folding arm (611) is configured to fold over the second set of jaws (601), the ends of the arc portion (7) being arranged between the second welding elements (602).
    [15]
    15. Machine for packaging food products from a continuous tubular according to any of claims 1 to 14, characterized in that the shipping station (700) comprises a discharge orifice (701) arranged under the second generation station ( 600A, 600B) leading to a ramp of
    exit (702) configured to receive the bag (B1, B2) after its release by the second generation station (600A, 600B).
    [16]
    16. Machine for packaging food products from a continuous tubular 5 according to any of claims 3 and 11, characterized in that the first welding elements (202) and the second welding elements (602) have opposite inclinations between them , so that the first welding line (4) and the second welding line (5) have opposite inclinations.
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    同族专利:
    公开号 | 公开日
    ES2615000B1|2018-03-13|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB1025880A|1964-01-24|1966-04-14|Beloit Eastern Corp|Lineal footage counter|
    US5000725A|1988-11-07|1991-03-19|Fmc Corporation|Bi-directional registration of servo indexed webs|
    EP1053939A1|1999-05-17|2000-11-22|SORMA S.p.A.|Apparatus for providing netting packages of horticultural products in continuously unwound tubular netting|
    ES2231416T3|2000-08-04|2005-05-16|Talleres Daumar S.A.|MACHINE TO PACK PRODUCTS IN A MESH BAG WITH A HANDLE.|
    ES2232234A1|2002-06-26|2005-05-16|Iniciativas Barlar, S.L.|Method and machine for packaging vegetable products in a mesh bag with a handle|
    ES2380037A1|2009-11-11|2012-05-08|Preformados Tubulares, S.L.|Machine for the packaging of food products from a continuous tubular of preformed mesh |
    法律状态:
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