• 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:
    METHOD AND APPARATUS FOR CHANGING TRANSPORTER SPEED IN CLOSED CYCLE TRACK This is a method and apparatus for managing different speeds of conveyor traffic (15) that move along a closed cycle track (10) is revealed. The closed cycle track has at least four different speed zones (11, 12, 13, 14), which include a slow speed zone (11), a fast speed zone (12), an acceleration zone (13, 14) and a deceleration zone (14,13). A computerized control system (17) monitors and controls the movement of the conveyors along different speed zones of the closed cycle track, so that different traffic speeds are maintained along the closed cycle track, simultaneously, without collisions
    公开号:BR112015020191B1
    申请号:R112015020191-1
    申请日:2014-01-28
    公开日:2021-02-02
    发明作者:Reuven Melamed；Ehud Giloh；Adam I. Grinshpan；Arie Yifrah；Thomas Colin Dawber
    申请人:Tamicare Ltd；
    IPC主号:
    专利说明:

    BACKGROUND
    [001] When different processes are performed on carriers that move on the same track, different speeds can be achieved by objects in different areas of the track, to facilitate different processes at the different speeds required.
    [002] When a closed cycle manufacturing system is used that has conveyors that move along the closed cycle track system, which obtain simultaneously different speeds for different transporters that move on the same closed cycle track can be a challenge, as a collision that may eventually occur.
    [003] A known method used to solve this requirement uses mechanical transition units as deployed on power and free shipping lines such as those produced by Paelineconveyors Inc. However, mechanical transition systems generally require the addition of a dedicated extended track external to the track main. In addition, the systems are relatively robust and heavy, thus making a delicate speed synchronization or a quick change in the considerably limited parameters. SUMMARY
    [004] A method and apparatus for providing different traffic speeds for transporters or groups of transporters moving along a closed cycle track are disclosed.
    [005] Some operation lines based on closed-loop track require more than one speed or step operation between conveyors to allow different types of production processes that vary in duration, speed, line length, etc.
    [006] A sophisticated method for controlling, monitoring and adjusting in real time the speed of the conveyors moving along various zones of a closed cycle track, is also revealed.
    [007] The current application also introduces a new method of flexible use, computerized speed and pitch levers, configured to the desired operating specifications.
    [008] The speed / pitch setting can be constant and stable throughout the entire production process or, it is driven by software, variables and adaptable instantly according to the predefined variations or in real time of specifications and manufacturing requirements.
    [009] The speed and pitch of the conveyors are correlated so that the ratio between the speed in the "slow" zone and the speed in the "fast" zone is always equal to the ratio between the step in the "slow" zone and the step in the zone "quick".
    [010] The actuation and adjustment of the speed of the conveyors can be performed by means of actuation that are external to the conveyors, such as engines or pistons. Alternatively, the conveyors can be self-driven by an internal drive device. The drive of the conveyors may alternatively be carried out by any other suitable method known in the art.
    [011] The method does not in any way restrict the use of any other suitable means to carry out the desired process.
    [012] Thus, in one aspect, a method is provided that is based on a computerized speed control system to manage a movement of a plurality of conveyors along a line that has a closed loop track, in which the track closed-loop comprises a first zone in which the plurality of carriers move at a defined speed and step, a second zone in which the plurality of carriers move at a faster speed and a wider step compared to the first zone, a third zone that is an acceleration zone and a fourth zone that is a deceleration zone and in which the computerized control system controls the movement of the conveyor along each of the zones, so that the plurality of conveyors that move around along the first zone move at a defined speed and step and at the same time the plurality of carriers that move along the second zone move at a speed faster age and longer stride defined and wherein said movement of the plurality of carriers along at least one of the first and second zones is carried out simultaneously without collisions; in which the computerized system monitors and controls, in real time, the speed of the conveyor, the step and the location; and in which the speed and pitch of the conveyors are synchronized by the control system, so that the ratio between the speed of the plurality of conveyors in the first zone and the speed of the plurality of conveyors in the second zone is equal to the ratio between the pitch of the plurality of carriers in the first zone and the plurality of carriers in the second zone; in the acceleration zone, the speed and pitch of the plurality of carriers are changed so that at the end of the acceleration, the speed and pitch of the plurality of carriers corresponds to the speed and pitch of the plurality of carriers in the second zone, in order to allow fluid and constant traffic without collisions; and in the deceleration zone, the speed and pitch of the plurality of conveyors are changed so that at the end of the deceleration the speed and pitch of the plurality of conveyors correspond to those in the first zone, in order to allow a fluid and constant traffic without collisions.
    [013] In a method modality, the speed and pitch ratios are constant and stable during the operation of the line.
    [014] In another modality, the speed and pitch ratios are variable and adaptable according to the predefined variations or in real time of specifications and requirements of the line of operation.
    [015] In any of the above modes, the plurality of carriers is driven by one of the following systems or a combination of at least two: (a) external drive devices; (b) internal drive devices; and (c) conveyors that push each other along at least part of the first zone.
    [016] In another embodiment, the method additionally comprises assembling an object on one or more of the plurality of carriers. If desired, the method which further comprises changing a position or orientation of the object mounted on the conveyor to prevent a collision between two adjacent objects and to allow a short step in order to reduce the total line length.
    [017] In another mode, the method additionally comprises changing a direction of rotation of the line.
    [018] In another aspect, an apparatus based on a computerized speed control system to manage a movement of conveyors along a line that has a closed cycle track is provided. The apparatus comprises: a closed cycle track that has a first zone in which conveyors moving at a defined speed and pitch; a second zone in which carriers moving at a faster speed and at a wider pace compared to the first zone; a third zone in which conveyors are accelerated from the first slowest zone to match the speed and pitch of the second fastest zone; and a fourth zone in which carriers are decelerated from the second fastest zone to match the speed and pitch of the first slowest zone; wherein at least two of the conveyors move simultaneously at different speeds along the closed loop track; wherein at least one sensor detects the location of the conveyors along the closed loop track; and where a control system monitors line operation by real-time data retrieval from at least one sensor, where real-time data is related to at least one of the conveyor speeds, the location of the conveyor and at the conveyor step.
    [019] In a device mode, the conveyors are driven by an internal built-in drive device.
    [020] In another mode, the conveyors are driven by an external drive device.
    [021] In another modality, transporters carry associated bodies. The associated bodies can be larger than the step in the first zone.
    [022] In another embodiment, the associated bodies are tilted, rotated or repositioned in a condensed manner in at least one area of the closed cycle track.
    [023] In another mode, the direction of rotation of the line can be changed between clockwise and counterclockwise.
    [024] Some advantages of the current application include instant system configuration by software, there is no need for hardware adjustments and modifications. An infinite number of speed and pitch settings are possible. Real-time monitoring and computerized control allow for a precise transporter transition at high speed. The system facilitates operation in both directions. Light or small-scale hardware units can be fitted in a limited space.
    [025] In this application the term "line" refers to the closed loop lane that has a plurality of conveyors that move along the lane.
    [026] In this order the terms "body", "trainer", "item" and "mold" are interchangeable.
    [027] In this order the term step refers to the distance between the centers of two adjacent carriers.
    [028] The terms belt and chain in this order are interchangeable and generally refer to the toothed belt, the drive belt or the drive chain.
    [029] In this application the term "transition unit" refers to both the "acceleration" and "deceleration" zones. BRIEF DESCRIPTION OF THE FIGURES
    [030] Figure 1 shows a top view of a closed-loop piston that includes externally driven conveyors disclosed in the present application;
    [031] Figure 2 shows a top view of a closed-loop piston that includes self-driving conveyors disclosed in the present application;
    [032] Figure 3 shows a side view of adjacent carriers with bodies assembled from the track shown in Figure 1 and Figure 2; and
    [033] Figure 4 shows a side view of an alternative modality of assembled bodies repositioned on two adjacent conveyors of the track shown in Figure 1 and Figure 2. DETAILED
    [034] The method of the present application is based on a computerized speed control system. The method manages the movement of conveyors 15 along a closed loop track 10, shown in Figure 1 and Figure 2. Closed loop track 10 includes at least four different zones 11, 12, 13 and 14, which may include a slow zone 11, an acceleration zone 13, a fast zone 12 and a deceleration zone 14. The computerized control system 17 controls the movement of conveyors along the different zones, so that the conveyors moving along the slow zone 11 move at a defined speed and step and at the same time the conveyors that move along the fast zone 12 that move at a defined speed and a wider step. The movement of the conveyors 15 along the slow zone 11 and the fast zone 12 is carried out simultaneously without hitting slow moving conveyors and fast moving conveyors on the same closed loop track 10. The computerized system 17 monitors and controls, in real time, speed, pitch and carrier location. The speed and pitch of the conveyors are synchronized by the control system 17, so that in the acceleration zone 13, the speed and pitch of the conveyors 15 are changed in such a way that, at the end of the acceleration, the speed and the pitch of the conveyor correspond to the speed and pitch of the conveyors 15 in the fast zone 12. The speed and pitch of the conveyors 15 are correlated so that the ratio between the speed in the slow zone 11 and the speed in the fast zone 12 is equal to the ratio between the step in the slow zone 11 and step in fast zone 12. For example, if the speed in fast zone 12 is equal to three times the speed in slow zone 11, then the step in fast zone 12 is equal to three times the step in zone slow 11.
    [035] The present system allows fluid and constant traffic without collisions. In the deceleration zone 13, the speed and the conveyor pass 15 are changed so that at the end of the deceleration the speed and the conveyor pass correspond to the speed and the pass in the slow zone 11, in order to allow a fluid and constant traffic without collisions.
    [036] In one embodiment, shown in Figure 1, conveyors 15 are driven by an external drive device 18, such as a belt or chain or pulley, driven by a motor. A piston or any other suitable drive device can be used to drive the conveyors 15. In this embodiment, the method also comprises a synchronization step with both the slow zone 11 and the fast zone 12. During acceleration, the transition unit synchronizes first with the speed of the slow zone 11, pick up a conveyor 15, accelerate, synchronize the speed with the fast zone 12 and transfer the conveyor at the synchronized speed to the fast zone 12. During the deceleration, the transition unit synchronizes first with the speed from the fast zone 12, take a conveyor 15, decelerate, synchronize with the speed of the slow zone 11 and transfer the conveyor at the synchronized speed to the slow zone 11.
    [037] In another embodiment, shown in Figure 2, the conveyors 15 are self-driven by an internal drive device 21 such as, but not limited to, motors embedded in each of the conveyors.
    [038] In yet another modality, the carriers push each other along at least part of the slow zone 11.
    [039] In yet another modality, the method comprises a step of using the same closed loop line in both directions or configurations in a clockwise or counterclockwise direction.
    [040] In yet another modality, the method comprises the additional step of changing the position or orientation of the assembled body (s) or object (s) to prevent a hit if the object that is mounted on a conveyor is very large so that reducing the pitch can create a knock between the assembled objects.
    [041] As shown in Figure 1, a line 100 includes at least two conveyors 15 that move simultaneously at different speeds along a closed loop track 10 when the line is in operating mode. For example, conveyors in the first slow zone 11 move at a speed of one meter in 15 seconds, or, and, at a step of 20 centimeters, while conveyors 15 in the second fastest zone 12 move at a speed of one meter. in 3 seconds or five times faster than the conveyors in the slow zone and at a step of 100 centimeters (five times greater than the step in the slow zone).
    [042] In the second zone 12, which can be a fast zone, the conveyors 15 move at a faster speed and at a wider step.
    [043] The third zone 13 can be an acceleration zone in which the conveyors 15 are accelerated from the slow zone 11 to correspond to the speed and the step of the fast zone 12. In the fourth zone 14, which can be a deceleration zone , the conveyors 15 are decelerated from the fast zone 12 to match the speed and pitch of the slow zone 11.
    [044] Line 100 additionally includes one or more sensors 16. Sensors 16 detect the location of conveyors 15 along the closed cycle 10. Sensors 16 can be any type of sensor device as known in the art, such as, but it is not limited to proximity sensors, magnetic sensors, optical sensors, visual systems or any other suitable sensor device.
    [045] Line 100 additionally comprises a control system 17 that monitors the operation of line 100 by real-time data retrieval from sensors 16 related to the status of conveyors 15 in closed cycle 10. Control system 17 also controls the acceleration, deceleration and the passage of the conveyors 15 along the different areas of the track 10 by sending commands to the external conveyors or to the internal drive systems. Examples of computerized control systems are, but are not limited to, industrial PLCs, PACs and motion controllers, manufactured by GE, Mitsubishi, Panasonic, Yaskawa and others. An example of a suitable controller is GE's 'PACMotion Multi-Axis Motion Controller'.
    [046] In one embodiment, shown in Figure 1, line 100 may also include a transition unit that has independent drive devices 18. Drive devices have the ability to synchronize with both slow zones and fast zones 11, 12. Examples of drive devices 18 and 19 may include, but are not limited to, variable speed motors, servo motors, stepper motors, pistons, pulleys, belts or any other suitable drive device. During acceleration, the transition unit synchronizes first with the speed of the slow zone 11, picks up a conveyor 15, accelerates, synchronizes with the speed of the fast zone 12 and transfers the conveyor at the synchronized speed of the fast zone 12. During the deceleration, the transition unit synchronizes first with the speed of the fast zone 12, picks up a conveyor, decelerates, synchronizes with the speed of the slow zone 11 and transfers the conveyor at the synchronized speed to the slow zone 11.
    [047] A connection or an interface 20 between the conveyors 15 and the external drive devices 18 and 19 is provided to allow an engagement and disengagement of the conveyors 15 in / from the external drive devices 18 and 19, which allows for interfacing or a switching with another or the next drive device, such as an adjacent belt, along the zones of the closed loop track 10.
    [048] In another embodiment, line 100 includes drive devices 21 that are embedded in conveyors 15, as shown in Figure 2. The example of drive devices 21 can include, but is not limited to, variable speed motors, servo motors, pulleys or any type of motor or means of self-propulsion. The built-in drive device 21 can be controlled remotely by the control system 17. The internal drive devices 21 can push, pull or drive the conveyors 15 along any zone of the closed cycle 10 as desired.
    [049] In yet another embodiment, carriers 15 may include associated bodies 22 mounted thereon. Possible associated bodies can be, for example, a mold, a workpiece former or any other carried object. The bodies 22 can be larger than the pitch in any of the segments of the first slow zone 11.
    [050] In yet another modality, shown in Figure 4, the assembled bodies 22 are tilted, rotated or repositioned. In this embodiment, the distance between the conveyors 15 is less than the body 22 or the gap between the conveyors is too small to accommodate the bodies without hitting. The bodies 22 can therefore be repositioned in a more condensed manner, for example, by positioning the bodies in a deflected position or in any other appropriate position that allows movement in the aforementioned small step without collision.
    [051] The repositioning mentioned above can be effective in shortening the length of an oven, in which a drying process is required, while still allowing movement in a wider step in the case of a faster movement or a specific body orientation it is required during another process carried out in the fastest zone or in the case of the movement of the conveyor at a fast speed it is required in order to meet certain process times.
    权利要求:
    Claims (7)
    [0001]
    1. Method based on a computerized speed control system (17), to manage a movement of a plurality of conveyors (15) along a line (100) that has a closed loop track (10), in which the closed cycle track comprises a first zone (11) in which the plurality of conveyors move at a defined speed and step, a second zone (12) in which the plurality of conveyors move at a faster speed and a faster step wide compared to the first zone, a third zone (14) which is an acceleration zone, and a fourth zone (13) which is a deceleration zone, and in which the computerized control system controls the movement of the conveyor along of each of the zones (11-14), so that the plurality of carriers that move along the first zone move at a defined speed and step, and at the same time, the plurality of carriers that move along along the second zone move a v elocity, faster and a broader step defined, and in which the said movement of the plurality of carriers along the first and second zones (11,12) is executed simultaneously, without collisions; in which the computerized system monitors and controls, in time actual speed, pitch and location of the conveyors with the use of at least one sensor (16) that detects the location of the conveyors along the closed cycle track; monitors line operation by real-time data retrieval from at least one sensor; characterized by the fact that the speed and pitch of the conveyors are synchronized by the control system, so that the ratio between the speed of the plurality of conveyors in the first zone and the speed of the plurality of conveyors in the second zone is equal to the ratio between the pitch of the plurality of carriers in the first zone and the step of the plurality of carriers in the second zone; in the acceleration zone, the speed and pitch of the plurality of carriers are changed so that, at the end of the acceleration, the speed and pitch of the plurality of conveyors correspond to the speed and pace of the plurality of conveyors in the second zone, in order to allow a fluid and constant traffic, without collisions; In the deceleration zone, the speed and pitch of the plurality of transporters are changed so that, at the end of the deceleration, the speed and pitch of the plurality of transporters correspond to those in the first zone, in order to allow a fluid and constant traffic, without collisions.
    [0002]
    2. Method, according to claim 1, characterized by the fact that the speed and pitch ratios are constant and stable during the operation of the line.
    [0003]
    3. Method according to claim 1, characterized by the fact that the speed and pitch ratios are variable and adaptable according to predefined or real-time variations in specifications and line operation requirements.
    [0004]
    4. Method according to any one of claims 1, 2 or 3, characterized by the fact that the application of conveyors is triggered by one of the following systems or a combination of at least two: a. external drive devices (18); B. internal drive devices (21); and c. conveyors pushing each other along at least part of the first zone.
    [0005]
    5. Method, according to claim 1, characterized by the fact that it also comprises assembling an object (22) in one or more of the plurality of carriers.
    [0006]
    6. Method according to claim 5, characterized by the fact that it further comprises changing a position or orientation of the object mounted on the conveyor to prevent a collision between two adjacent objects and allowing a short step, in order to reduce a line length total.
    [0007]
    7. Method, according to claim 1, characterized by the fact that it also comprises, changing a direction of rotation of the line.
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    同族专利:
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    法律状态:
    2018-11-13| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-11-19| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-11-24| B09A| Decision: intention to grant|
    2021-02-02| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 28/01/2014, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US13/774,444|2013-02-22|
    US13/774,444|US8812152B1|2013-02-22|2013-02-22|Method and apparatus for changing carriage speed on a closed-loop track|
    PCT/IB2014/000345|WO2014128557A1|2013-02-22|2014-01-28|Method and apparatus for changing carriage speed on a closed-loop track|
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