• 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:
    Loading conveyor system comprising a plurality of rotating rollers (1) and actuating means for acting on at least one of the rollers (1), rotating rollers (1) grouped into actuator assemblies arranged in the line of rotating rollers, having each actuator assembly (4) at least two consecutive rollers (5) linked together by a drive belt, wherein the drive means includes a motorized main belt, the main belt being engageable with a drive belt present in an actuator assembly ( 4), and coupling means for engaging the main belt with at least one drive belt of an actuator assembly acting by direct contact of a load. In an operating condition where a load contacts the coupling means, the rotating rollers of an actuator group rotate as the main belt engages with the transmission belt (7) by shifting in position of the main belt. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2605426A1
    申请号:ES201631176
    申请日:2016-09-09
    公开日:2017-03-14
    发明作者:Albert Fores Rafols
    申请人:Mecalux SA；
    IPC主号:
    专利说明:

    DESCRIPTION

    Cargo transport system, modular structure and
    a cargo transport facility
     5
    OBJECT OF THE INVENTION

    The purpose of the present application is to register a cargo transport system, as well as a modular structure and a cargo transport installation
     10
    More specifically, the invention proposes the development of a conveyor system provided with a plurality of rollers with a mechanical accumulation system and drive through non-metallic belts, allowing the movement of several loads and the accumulation of these loads throughout the entire Conveyor system length.
     fifteen
    This system ensures that the entry or exit of loads are contracted and adapted to the needs of the installation itself since the displacement of the accumulated loads is carried out as they are extracted from the conveyor system line with a lower energy consumption.
     twenty
    BACKGROUND OF THE INVENTION

    Currently there are different systems for the movement of loads inside warehouses or industrial facilities. One of the most used and known devices are the conveyors, which facilitate the movement of loads from different 25 points, either only in a storage area or in connection with production areas. One of the most well-known and used conveyors are the rotary roller conveyors provided that include mechanical accumulator systems, in which the rollers are linked to each other by means of belts or chains that define a closed loop. 30

    Examples of this type of roller conveyor installation provided with an accumulation zone where loads are deposited at an intermediate point in the installation are described in Spanish patent ES 2056454, ES 343234 and in US patents US 4238029 A and US 4721203 A .35

    This chain is usually driven by motor means comprising electric motors and electronic devices (such as, for example, sensors and microswitches), the number of motors used being linked to a factor that corresponds to the length of the installation. The use of multiple electric motors has as its main drawback an increase in electricity consumption and higher maintenance costs. 5

    To reduce the above problems, conveyors have been developed with clutch systems by means of toothed gears of specialized design associated with metal chains. However, in practice these systems generate considerable annoying noise and a higher maintenance cost since the mechanical components involved in the movement, such as the sprockets and chains must be replaced periodically and require continuous lubrication and tensioning. of the chain to guarantee a correct operation of the installation.

    In addition, the applicant is not currently aware of an invention that has 15 of all the features described herein.

    DESCRIPTION OF THE INVENTION

    The present invention has been developed in order to provide a load conveyor system 20 that is configured as a novelty within the field of application and resolves the aforementioned drawbacks, also providing other additional advantages that will be apparent from the description. which is accompanied below.

    It is therefore an object of the present invention to provide a 25-load conveyor system of the type comprising a plurality of rotating rollers arranged one behind the other through which loads circulate, the rollers being located on a frame provided with profiles linked to each other. of the ends of the rollers, and drive means for acting on at least one of the rollers.
     30
    More particularly, the invention is characterized by the fact that rotating rollers are grouped into actuator assemblies arranged at intervals along the line formed by the plurality of rotating rollers, each actuator assembly having at least two consecutive rollers with each other that are linked in motion through
    a transmission belt, in which the drive means includes a main belt driven by motor means, the main belt being coupled to a transmission belt present in an actuator assembly, and coupling means for engaging the main belt with at least a drive belt of an actuator assembly acting by direct contact of a load that is being displaced through the rollers, such that in an operational condition in which a load comes into contact with the coupling means, the rotating rollers of an actuator group they rotate when the main belt engages with the transmission belt by moving the main belt in position with respect to a resting condition, both being two straps of a non-metallic material. 10

    According to another aspect of the invention, the aforementioned coupling means comprise a tread means that protrudes in height with respect to the plane defined by an upper point of the rotating rollers that is linked to motion transmission means that are articulated to a tie rod. swingarm having a contact surface that is in contact with the main belt, the swinging strap being coupled to the frame.

    In a preferred embodiment of the invention, the motion transmission means may be comprised of a support arm that is pivotally articulated in the conveyor frame, an elongated bar that is pivotally coupled to the support arm and to the tilting shoulder. , such that the strap is displaced in height from a first disengagement position to a second engagement position in which the main belt and the transmission belt are coupled to each other.
     25
    Preferably, the tread means comprises a roller that protrudes from the area between two rotating rollers, so that when the load, for example, the bottom of a pallet contacts this roller does not suffer any damage.

    In one embodiment, the swinging rod mentioned above 30 comprises a plate articulated by two ends opposite to connecting rods pivotally pivoted to the frame, with a projecting section protruding from the plane on the contact surface with the main belt. of the contact surface.

    Advantageously, the projecting section has a progressively decreasing region at its two opposite ends, thus avoiding sharp deviations of the main belt when the plate of the tilting strap is moved in a vertical direction.

    Advantageously, the transmission belt has a band provided on each of its 5 tooth faces, such that one tooth face is attachable with gears linked to the rotating rollers while the other tooth face is attachable with teeth of the main belt , so it allows structurally simplifying the conveyor system of the present invention.
     10
    Additionally, the conveyor system includes tensioning means that are located in the frame between two actuator assemblies, which are linked to the main belt, so as to ensure proper operation of the main belt. In one embodiment, these tensioning means comprise an element with a belt contact surface with an arcuate shape and fixing means to be fixed to the frame.

    Thanks to these characteristics, a movement of several loads on a conveyor of variable length is allowed at regular intervals, allowing the loads to advance from the point of departure to a first location located at a point of the conveyor and accumulating the loads to the conveyor saturation Advantageously, this design allows the use of a single drive motor so that the consumption of electric current is reduced, and even depending on the design of the conveyor installation, there would be the possibility that a single motor feeds more than one line of conveyors in parallel. 25

    Another advantage that is not less important is the fact that by not using metal chains, but a non-metallic material transmission belt, the noise level is noticeably reduced since there are no vibrations between metal parts so it is not so annoying for operators who are present in the same work region, and maintenance costs are reduced as there is not such premature wear of the parts involved in the movement of the rotating rollers.

    It is another object of the invention to provide a modular structure for a load conveyor, comprising the conveyor system described above.
    Additionally, a cargo transport installation comprising a plurality of contiguously coupled modular structures defining a transport line is also an object of the invention. 5

    Other features and advantages of the table object of the present invention will be apparent from the description of a preferred but not exclusive embodiment, which is illustrated by way of non-limiting example in the accompanying drawings, in which:
     10
    BRIEF DESCRIPTION OF THE DRAWINGS

    Figure 1.- It is a perspective view of an embodiment of a modular structure according to the present invention;
    Figure 2.- It is a plan view of an embodiment of the modular structure that includes the conveyor system according to the present invention;
    Figure 3.- It is a side elevation view of the modular structure with the conveyor system according to the invention along the line A-A shown in Figure 2;
    Figure 4.- It is a side elevational view of the modular structure with the conveyor system along the line B-B shown in Figure 2, where the means of motion transmission are appreciated;
    Figure 5.- It is a side elevation view of the modular structure along the line C-C shown in Figure 2; Y
    Figure 6.- It is a detailed view of the modular structure and the gear zone with the transmission belt associated with an actuator assembly that is part of the conveyor system 25 of the invention.

    DESCRIPTION OF A PREFERRED EMBODIMENT

    In view of the aforementioned figures and, according to the numbering adopted, an example of a preferred embodiment of the invention can be observed therein, which comprises the parts and elements indicated and described in detail below.

    Thus, as shown in Figures 1 to 5, a modular structure is presented, which has a load conveyor system according to the invention, comprising a plurality of rotating rollers (1) which are arranged one behind the other on which they can circulate. loads (for example, boxes, pallets, etc.) in the direction indicated by an arrow (F) represented in figure 1, the rollers (1) being located on a frame 5 provided with elongated metal profiles (2) that are linked to each of the ends of the rollers, and drive means, such as an electric motor (3) of a predetermined power to drive at least one of the rotating rollers (1), and which may be located in one of the ends of the conveyor system line.
     10
    Rotating rollers are grouped into actuator assemblies, generally indicated by reference (4), arranged at intervals along the line formed by the plurality of rotating rollers, each actuator assembly (4) having two consecutive rollers (5) between yes they are linked in motion by means of a transmission belt (7) that defines a closed loop. The drive means include a main belt driven by the electric motor (3) which runs concealed along one of the sides of the installation frame, the main belt being coupled to a transmission belt (7) present in an actuator assembly (4), preferably made of a polymeric material, such as, for example, polyurethane. In addition, coupling means are provided to engage the main belt with a transmission belt 20 (7) of an actuator assembly (4) that act by direct contact of a load that is being displaced through the rotating rollers (1). , such that in an operational condition in which a load comes into contact with the coupling means, the rotating rollers (1) of an actuator group rotate when the main belt engages with the transmission belt (7) by moving in position of the main belt 25 with respect to a resting condition, both being two straps of a non-metallic material.

    As can be seen in Figures 1 to 4, the coupling means comprise a tread means (8) having a roller of smaller dimensions that protrudes in height with respect to the plane defined by an upper point of the rotating rollers and between rollers 30 swivel (1). The tread means (8) is linked to motion transmission means (described in greater detail below) that are articulated to a tilting strap (9) having a contact surface that is in contact with the main belt, the tilting strap (9) attached to the frame.
    With particular reference to the movement transmission means they comprise a pair of support arms (10) spaced apart from each other, which are pivotally articulated in the frame by means of an axis or pin (11), an elongated bar ( 12) which is pivotally coupled by means of a shaft (15) to the support arm (10) and to the swinging rod (9). In this way, the tilting strap can be displaced in height 5 from a first disengaging position to a second engagement position in which the main belt and the transmission belt (7) are coupled to each other.

    With respect to the tilting tie rod (9), it comprises a plate articulated by two ends opposite to connecting rods (13) through axles (16) that are pivotally articulated to the frame, presenting on the contact surface with the belt principally, a projecting section (14) that protrudes from the plane of the contact surface and has a progressively decreasing region (140) at each of its two opposite ends.

    Advantageously, and as shown in Figure 6, the transmission belt (7) 15 has a band provided on each of its faces with a plurality of teeth (70), such that a tooth face is attachable with linked gears to the rotating rollers (1) while the other tooth face is attachable with teeth of the main belt.

    As can be seen in Figure 5, to ensure that the main belt is in about 20 optimal mechanical conditions, tensioning means are provided located in the frame between two actuator assemblies, which are linked to the main belt, allowing further guidance. along the conveyor line. Such tensioning means essentially comprise a tensioning element (17) with a contact surface with the main belt with an arcuate shape fixed by a plate (18) provided with fixing elements (19) to be fixed to the frame. Such fasteners (19) can be, for example, a pin or fasteners.

    The details, shapes, dimensions and other accessory elements used in the manufacture of the conveyor system of the invention may conveniently be replaced by others that do not depart from the scope defined by the claims included below.
    权利要求:
    Claims (11)
    [1]

    1. Load conveyor system comprising a plurality of rotating rollers (1) arranged one behind the other through which loads circulate, the rotating rollers (1) being located on a frame provided with profiles (2) linked to each of the ends of 5 the rollers (1), and drive means for acting on at least one of the rollers (1), characterized in that the rotating rollers (1) are grouped into actuator assemblies arranged at intervals along the line formed by the plurality of rotating rollers (1), each actuator assembly (4) having at least two consecutive rollers (5) with each other that are linked in motion by means of a transmission belt defining a closed loop, in which the drive means include a main belt driven by motor means, the main belt being coupled to a transmission belt present in an actuator assembly (4), and a drive means shielding to engage the main belt with at least one transmission belt of an actuator assembly (4) acting by direct contact of a load that is being displaced through the rollers (1), such that in an operational condition in the that a load comes into contact with the coupling means, the rotating rollers of an actuator group rotate when the main belt engages with the transmission belt (7) by displacing the main belt in relation to a resting condition, being both two straps of a non-metallic material. twenty

    [2]
    2. Conveyor system according to claim 1, characterized in that the coupling means comprise a tread means (8) that protrudes in height with respect to the plane defined by an upper point of the rotating rollers that is linked to means of motion transmission that are articulated to a tilting strap 25 (9) having a contact surface that is in contact with the main belt, the swinging strap being coupled to the frame.

    [3]
    3. Conveyor system according to claim 2, characterized in that the motion transmission means comprise a support arm (10) that is pivotally articulated in the frame, an elongated bar that is pivotally coupled to the arm support (10) and to the swingarm (9), such that the swingarm is displaced in height from a first disengaged position to a second position of
    geared in which the main belt and the transmission belt (7) are coupled together.

    [4]
    4. Conveyor system according to claim 2, characterized in that the stepping means (8) comprises a roller protruding from the area between two rotating rollers 5.

    [5]
    5. Conveyor system according to claim 2, characterized in that the tilting strap (9) comprises a plate articulated by two ends opposite to connecting rods (13) pivotally articulated to the frame, presenting on the contact surface with the main belt an overhang section (14) protruding from the plane of the contact surface.

    [6]
    6. Conveyor system according to claim 5, characterized in that the projecting section (14) has a progressively decreasing region at its two opposite ends.

    [7]
    7. Conveyor system according to claim 1, characterized in that the transmission belt has a band provided on each of its tooth faces, such that a tooth face is attachable with gears linked to the rotating rollers 20 while the other side of teeth is attachable with teeth of the main belt.

    [8]
    8. Conveyor system according to claim 1, characterized in that it includes tensioning means located in the frame between two actuator assemblies, which are linked to the main belt. 25

    [9]
    9. Conveyor system according to claim 8, characterized in that the tensioning means comprise a tensioning element (17) with an arc-shaped belt contact surface and fixing means provided for fixing the tensioning element ( 17) to the frame. 30

    [10]
    10. Modular structure for a load conveyor, characterized in that it comprises the conveyor system according to any one of claims 1 to 9.

    [11]
    11. Cargo transport installation characterized by the fact that it comprises a plurality of modular structures according to claim 10 contiguously coupled defining a transport line.
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    EP2948395B1|2020-10-07|Conveyor and method of producing a conveyor
    ES2729267T3|2019-10-31|Conveyor element with roller mechanism
    ES2298036B1|2009-07-21|"IMPROVED SYSTEM FOR THE TRANSPORT OF THE PARTS IN THE MACHINES FOR THE PRODUCTION OF WOOD".
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    同族专利:
    公开号 | 公开日
    ES2605426B1|2017-10-26|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3716129A|1971-04-22|1973-02-13|A Sadler|Accumulating live roller conveyor|
    US3854576A|1973-06-27|1974-12-17|Rapistan Inc|Eccentric wheel accumulators|
    EP0040949A1|1980-05-19|1981-12-02|Lear Siegler, Inc.|Accumulator conveyors|
    EP0109732A1|1982-09-17|1984-05-30|Lear Siegler, Inc.|Sensing mechanism for controlling the mode change of an accumulator conveyor|
    US5540323A|1993-10-04|1996-07-30|Rapistan Demag Corporation|Modular pneumatic accumulation conveyor|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201631176A|ES2605426B1|2016-09-09|2016-09-09|CARGO TRANSPORTER SYSTEM, MODULAR STRUCTURE AND A CARGO TRANSPORTATION INSTALLATION|ES201631176A| ES2605426B1|2016-09-09|2016-09-09|CARGO TRANSPORTER SYSTEM, MODULAR STRUCTURE AND A CARGO TRANSPORTATION INSTALLATION|
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