A high-efficiency material conveying device of ring structure

Abstract

The application discloses a kind of high-efficiency material conveying devices of annular structure, belong to logistics transportation technical field, including annular track, multiple sliding plates slidingly connected on annular track and multiple connecting rod parts arranged between sliding plates.The sliding plate is rotatably connected with a moving belt;The connecting rod part includes a connecting rod rotatably connected with one end of the sliding plate;The other end of the connecting rod is rotatably connected with another sliding plate.When the sliding plate is located in the arc-shaped track, the moving belt slides the material inward to the limit position.When the sliding plate is located in the straight track, the moving belt slides the material outward to the limit position.The application can transport the material placed on the moving belt inward, reducing the centrifugal force it receives.At the same time, it can also move the material outward, making it easier to clamp;After the transportation speed continues to increase, the turnover plate turns inward, further improving the stability of material transportation.

Description

Technical Field

[0001] This invention belongs to the field of logistics and transportation technology, and more specifically, relates to a high-efficiency material transfer device with a ring structure. Background Technology

[0002] Chinese patent document CN219078254U discloses a circular track transport device. This device has a transport mechanism on a workbench, comprising a circular track, a linkage assembly, and multiple carriers. Each carrier is slidably connected to the circular track, and a linkage assembly is located between adjacent carriers. Each linkage assembly is rotatably connected to one carrier at each end. A linear drive mechanism is located on the inner side of each of the two straight sections of the circular track, providing power to the transport mechanism on those sections. A positioning mechanism is located on the inner side of each of the two arc sections of the circular track, positioning the transport mechanism on those arc sections. This circular track transport device boasts high precision, long service life, and provides power only on the straight sections to achieve the circular motion of the carriers. Mechanical positioning on the arc sections saves costs and reduces noise.

[0003] In actual use, when the material conveying speed is increased, the material may fly out under the action of centrifugal force when passing through the arc track, thus failing to achieve efficient transmission.

[0004] Chinese patent document CN206502386U discloses a circular conveyor feeding operating table for an automatic plug-locking wire code machine. The table includes a machine body with a conveyor section and a buffer section forming a closed ring. Two conveyor sections and two buffer sections are provided. The conveyor sections are arranged in a straight line. Each end of the buffer section is connected to one end of one of the two conveyor sections. The conveyor section is a belt conveyor. The buffer section is equipped with inclined rollers and flat rollers, whose ends are movably mounted on the machine body via bearings. This invention, by incorporating inclined and flat rollers in the buffer section, allows the inclined rollers to overcome the centrifugal force generated by the product in the circular position during high-speed transport, thereby preventing the product from slipping off the operating table to the ground and reducing resistance during transport.

[0005] While the aforementioned patents can prevent materials from flying out under centrifugal force, for products with irregular shapes, the product position often changes when passing through the inclined rollers, or even gets stuck in the gaps of the conveyor, increasing the difficulty of subsequent positioning. Therefore, the aforementioned patents cannot meet the actual use needs to a certain extent. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to provide a high-efficiency material conveying device with a ring structure, which can realize efficient material transport and prevent the material from shifting under the action of centrifugal force when passing through the arc track.

[0007] The present invention provides a high-efficiency material conveying device with a ring structure, comprising a ring track, a plurality of sliding plates slidably connected on the ring track, and a plurality of connecting rods respectively disposed between two adjacent sliding plates; the ring track is a closed track formed by connecting two horizontally arranged straight tracks and two arc-shaped tracks respectively disposed at both ends of the straight tracks end to end.

[0008] The sliding plate is rotatably connected to a moving belt at its upper end for placing materials; the connecting rod includes a connecting rod at one end rotatably connected to the sliding plate and capable of driving the moving belt to rotate; the other end of the connecting rod is rotatably connected to another adjacent sliding plate in the direction of movement of the sliding plate.

[0009] When the sliding plate is located on the arc-shaped track, the corresponding connecting rod rotates in the positive direction to the first angle, causing the moving belt to slide the material to the limit position inside the annular track, thereby reducing the centrifugal force.

[0010] When the sliding plate is located on the linear track, the corresponding connecting rod rotates in the opposite direction to the second angle, causing the moving belt to slide the material to the outer edge of the annular track to the limit position, which is convenient for the handling module to clamp.

[0011] As a further improvement of the present invention, the connecting rod includes a gear ring rotatably connected to the sliding plate and connected to the moving belt drive, and a second pawl slidably connected to the connecting rod and capable of driving the gear ring to rotate; the inner wall of the gear ring is formed with a second ratchet capable of unidirectional transmission connection with the second pawl.

[0012] When the sliding plate is located on the linear track, another adjacent sliding plate in the direction of movement of the sliding plate slides on the annular track, which will drive the connecting rod to rotate in the positive direction to the first angle.

[0013] When the sliding plate is located on the arc-shaped track, another adjacent sliding plate in the direction of movement of the sliding plate slides on the straight track. The reverse rotation of the connecting rod cannot drive the gear ring to rotate, and the connecting rod can rotate in the opposite direction to the second angle.

[0014] As a further improvement of the present invention, the connecting rod portion further includes a first pawl that is slidably connected to the sliding plate and can restrict the reverse rotation of the gear ring, and an unlocking rod that is slidably connected to the sliding plate and can simultaneously drive the first pawl and the second pawl to slide; the outer wall of the gear ring is formed with a first ratchet that can be unidirectionally connected to the first pawl.

[0015] When the unlocking lever is at its extreme position near the gear ring, the first pawl is connected to the first ratchet in a one-way transmission, and the second pawl is connected to the second ratchet in a one-way transmission.

[0016] When the unlocking lever is at its extreme position far from the gear ring, the first pawl is not in contact with the first ratchet, and the second pawl is not in contact with the second ratchet.

[0017] As a further improvement of the present invention, the connecting rod portion further includes a torsion spring disposed between the gear ring and the connecting rod; an eccentric protrusion is formed on the connecting rod for driving the unlocking rod to slide.

[0018] When at least one of the two adjacent sliding plates is located on the arc-shaped track, the eccentric protrusion does not contact the unlocking rod, the unlocking rod is located at the extreme position near the gear ring, and the connecting rod rotates in the opposite direction to cause the torsion spring to torsion and store force.

[0019] When two adjacent sliding plates are on the straight track, the connecting rod between the two sliding plates rotates to a second angle, the eccentric protrusion abuts against the unlocking rod so that the unlocking rod is at the extreme position away from the gear ring, and the torsion spring force drives the moving belt to rotate.

[0020] As a further improvement of the present invention, a linkage post is formed on the second pawl; a slide rod for driving the linkage post to slide is slidably connected on the gear ring; and an inclined linkage groove is formed on the slide rod and is slidably connected to the linkage post.

[0021] As a further improvement of the present invention, the unlocking rod is formed with a pressure post capable of driving the slide bar to slide; the first pawl is formed with an outer protrusion capable of being driven by the unlocking rod; the outer protrusion is located on the side of the unlocking rod away from the gear ring.

[0022] As a further improvement of the present invention, a flipping plate is rotatably connected to one end of the sliding plate near the inner side of the annular track; the moving belt is rotatably connected to the flipping plate; an inner baffle for restricting material from sliding out is formed at one end of the flipping plate near the inner side of the annular track; and a centrifugal block capable of driving the flipping plate to flip towards the inner side of the annular track is slidably connected to one end of the sliding plate away from the inner side of the annular track.

[0023] As a further improvement of the present invention, an outer lifting groove is formed on the lower end of the flipping plate away from the inner side of the annular track; a lifting rod capable of driving the outer lifting groove to slide is longitudinally slidably connected to the sliding plate; an inclined transmission groove is formed on the lower part of the lifting rod; and a transmission column for driving the transmission groove to slide is formed on the centrifugal block.

[0024] As a further improvement of the present invention, two symmetrically arranged rollers are rotatably connected to the flip plate; the moving belt is disposed on the outer periphery of the two rollers and is throttle connected to the rollers; a gearbox is provided on the flip plate and throttle connected to the rollers; the output end of the gearbox is throttle connected to one of the rollers, and the input end of the gearbox is fixedly connected to a moving gear throttle connected to the gear ring.

[0025] As a further improvement of the present invention, a driven column is formed at the lower end of the sliding plate near the inner side of the annular track; a motor is installed on the annular track; and a drive rod that is fixedly connected in the middle to the output shaft of the motor and can drive the driven column to move is provided on the motor.

[0026] Compared to existing technologies, the advantages of this invention are: It employs a circular conveyor belt for material transport, allowing materials to circulate after exiting the hopper, unlike the open-loop transport of traditional linear conveyor belts. The biggest advantage of circular transport is that due to environmental or human factors, there is less chance of material not being detected or being falsely detected during the detection process. Furthermore, by using a frequency converter to control the transmission belt device according to changes in actual production volume, both energy saving and high-efficiency production can be achieved. However, when the conveyor belt speed is further increased, the material in the curved track section will slide outwards relative to the conveyor belt due to centrifugal force, increasing the positioning difficulty of subsequent handling modules, thus increasing control complexity and processing time.

[0027] In using this invention, the controller controls the motor to rotate the drive rod. The rotating drive rod abuts against the driven column, causing the driven column to slide, i.e., the sliding plate slides. The sliding plate slides, causing the connecting rod to move synchronously, which in turn causes adjacent sliding plates to slide, thus allowing each sliding plate to slide synchronously along the circular track. As the drive rod continues to rotate, it no longer abuts against the driven column, and the sliding plate stops moving. The feeding module transports the material to the corresponding moving belt on the linear track. The transport module removes the material from the moving belt on another linear track and sequentially transports it to the processing module and assembly module for processing and assembly. The transport module then transports the assembled material to the storage module, where it is stacked and stored. Subsequently, the drive rod continues to rotate, abutting against the driven column again and causing the sliding plate to slide again. This process repeats intermittently, with the sliding plate conveying the material.

[0028] During this process, when the sliding plate slides onto the arc-shaped track, its continued sliding will cause the adjacent connecting rod located in the opposite direction of its movement to rotate in the forward direction. The rotation of the connecting rod causes the eccentric protrusion to rotate, and the eccentric protrusion, under the elastic force of the tension spring, slides towards the gear ring until it abuts against the first ratchet. The sliding of the first pawl causes the outer protrusion to slide, and the sliding of the outer protrusion causes the unlocking rod to slide towards the gear ring until the pressure post no longer contacts the slide rod. The two second pawls, under the elastic force of the push spring, slide until they abut against the second ratchet. The sliding of the second pawls causes the linkage post to slide, and the sliding of the linkage post causes the linkage inclined groove to slide, thereby causing the slide rod to slide upward to its limit position. Then, the connecting rod continues to rotate, causing the second pawl to rotate, and the rotation of the second pawl causes the second ratchet to rotate in the forward direction, which in turn causes the gear ring to rotate in the forward direction. The rotation of the gear ring in the forward direction causes the moving gear to rotate in the forward direction, which in turn causes the roller to rotate in the forward direction through the gearbox. The forward rotation of the rollers drives the moving belt to rotate, and the material placed on the moving belt slides towards the center of the circular track until it abuts against the inner baffle. The moving belt continues to rotate, and the material stops sliding. The rotation of the gear ring drives the first ratchet to rotate synchronously in the forward direction. During this process, the first pawl cannot restrict the forward rotation of the first ratchet. In summary, the sliding plate sliding onto the arc track drives the moving belt on the adjacent sliding plate on the straight track to rotate in the forward direction, causing the corresponding material to move to a position closer to the center of the arc track, reducing the centrifugal force it experiences.

[0029] Next, the sliding plate continues to slide, causing adjacent sliding plates on the straight track to slide onto the curved track. The sliding plates on the curved track slide along the curved track, causing the centrifugal blocks located away from the center of the curved track to slide outwards under centrifugal force. The sliding of the centrifugal blocks drives the transmission column to slide, which in turn drives the transmission chute to slide, causing the lifting rod to slide upwards. The upward sliding of the lifting rod causes the outer lifting chute to slide upwards, which in turn causes the tilting plate to rotate. The side of the tilting plate away from the center of the circular track lifts upwards, causing the material placed on the corresponding moving belt to tilt downwards, further balancing the centrifugal force with the downward sliding force. In assembly line design, different transport speeds are often adjusted according to different usage scenarios. The rotation radius of the centrifugal blocks is larger than the rotation radius of the corresponding material, and their rotational angular velocities are the same. Therefore, the centrifugal force of the centrifugal blocks is always greater than the centrifugal force of the material. When the transport speed is too high, the centrifugal blocks slide outwards, further balancing the centrifugal force with the downward sliding force of the material. This eliminates the need for detection devices and power switching devices, resulting in a simple structure and convenient use.

[0030] Next, as the sliding plate slides from the curved track to the straight track, the adjacent sliding plates on the straight track in the same direction of movement slide, causing the corresponding connecting rods to rotate in the opposite direction. At this time, the corresponding second pawl cannot drive the second ratchet to rotate, and the first pawl restricts the first ratchet from rotating in the opposite direction. The reverse rotation of the connecting rod causes the torsion spring to twist and store force. When the sliding plate slides onto the straight track, the connecting rod rotates to its original state. The rotation of the connecting rod causes the eccentric protrusion to rotate synchronously, and then the eccentric protrusion abuts against the unlocking pin and drives the unlocking pin to slide away from the gear ring. The sliding of the unlocking pin causes the pressure pin to slide, and the sliding of the pressure pin abuts against the sliding rod, causing the sliding rod to slide downward to its lower limit position. The two second pawls slide towards each other until they are no longer in contact with the second ratchet, and the push spring is compressed and stores force. At the same time, the sliding of the unlocking pin causes the first pawl to slide synchronously until it is no longer in contact with the first ratchet, and the tension spring is stretched and stores force. Two adjacent sliding plates are located on a linear track. The connecting rod cannot rotate, and the gear ring rotates in the opposite direction under the elastic force of the torsion spring. This, in turn, drives the moving belt to rotate in the opposite direction, causing the material placed on the moving belt to slide away from the center of the circular track to the edge. This facilitates the material handling module's gripping and movement. The feeding module has lower requirements for feeding position accuracy; it only needs to be placed on the moving belt. The handling module grips the material from the edge, reducing the interference area and significantly lowering control difficulty and manufacturing costs, thereby improving economic efficiency.

[0031] This invention features a connecting rod with both ends rotatably connected to sliding plates, allowing each sliding plate to slide synchronously along a circular track. It requires only one drive motor, eliminating the need for belts and chains, thus reducing noise. Simultaneously, the connecting rod, upon entering the arc-shaped track, drives the moving belt to rotate, causing the material to slide towards the center of the track, reducing centrifugal force and preventing outward slippage. This increases transport speed while improving material stability. Furthermore, the connecting rod's rotation also causes the unlocking rod to slide, allowing the gear ring to rotate in the opposite direction, transporting the material to its outermost limit position for easy clamping by the handling module. Without adding new operating steps or power mechanisms, it is simple and convenient to use.

[0032] This invention features a movable belt. Before the transported material enters the arc-shaped track, the movable belt moves, causing the material to slide towards the center of the arc-shaped track to its limit position, reducing the centrifugal force on the material and increasing the stability of the transport. After the transported material passes through the arc-shaped track, the movable belt moves the material to the outer edge position, making it easier for the handling module to clamp the material. This results in a small interference area and low required positioning accuracy, thereby reducing control difficulty and production costs. In addition, no new operating steps or power mechanisms are added, making it simple and convenient to use.

[0033] This invention features an unlocking lever. When the unlocking lever is at its extreme position near the gear ring, the first pawl abuts against the first ratchet, and the second pawl abuts against the second ratchet. This causes the connecting rod to rotate forward, driving the moving belt to rotate forward, moving the material inward. The sliding plate slides onto the arc-shaped track, and the connecting rod rotates in the opposite direction, causing the torsion spring to twist and store force. When the unlocking lever is at its extreme position away from the gear ring, the sliding plate slides onto the straight track. The first pawl and the first ratchet are not in contact, and the second pawl and the second ratchet are not in contact. The torsion spring force causes the moving belt to rotate in the opposite direction, moving the material outward to its extreme position, facilitating clamping by the handling module.

[0034] This invention allows materials to slide along a circular track, facilitating carrier return. It features a compact structure, low operating noise, and high repeatability. Furthermore, it can transport materials placed on the moving belt inwards, reducing centrifugal force and ensuring material stability without relative slippage while increasing transport speed. Simultaneously, it can move materials outwards, facilitating clamping by the handling module. The low positioning accuracy required reduces control complexity and production costs. As transport speed increases, the centrifugal block slides under centrifugal force, causing the tilting plate to flip inwards. This counteracts the centrifugal force caused by the downward force of the material, further improving transport stability. No detection or power mechanisms are required, and no new operational steps are added. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is an exploded structural diagram of the present invention; Figure 3 This is a schematic diagram of the structure of the moving belt of the present invention; Figure 4 This is a schematic diagram of the flip plate structure of the present invention. Figure 5 This is a schematic diagram of the structure of the centrifuge block of the present invention; Figure 6 This is a schematic diagram of the sliding plate structure of the present invention; Figure 7 This is an exploded structural diagram of the connecting rod portion of the present invention; Figure 8 This is a schematic diagram of the connecting rod of the present invention located at the first angle; Figure 9 This is a schematic diagram of the connecting rod of the present invention located at the second angle.

[0036] The following are the labeling instructions in the diagram: A. Material; 10. Circular track; 11. Sliding plate; 111. Driven column; 12. Drive rod; 13. Motor; 20. Tilting plate; 201. Inner baffle; 202. Outer lifting groove; 21. Moving belt; 22. Roller; 23. Gearbox; 24. Moving gear; 31. Centrifugal block; 311. Transmission column; 32. Lifting rod; 321. Limiting block; 322. Transmission inclined groove; 4. Connecting rod; 41. Connecting rod; 411. Eccentric protrusion; 42. Gear ring; 421. First ratchet; 422. Second ratchet; 43. Second pawl; 431. Linkage column; 44. Outer push spring; 45. Slide rod; 451. Linkage inclined groove; 46. Torsion spring; 47. Unlocking rod; 471. Pressure column; 48. First pawl; 481. Outer protrusion; 49. Tension spring. Detailed Implementation

[0037] Specific Implementation Example 1: Please refer to Figure 1-9 A high-efficiency material conveying device with a ring structure includes a horizontally arranged ring track 10, a plurality of sliding plates 11 slidably connected to the ring track 10, and a plurality of connecting rods 4 respectively arranged between two adjacent sliding plates 11; the ring track 10 is a closed track formed by connecting two horizontally arranged straight tracks and two arc-shaped tracks respectively arranged at both ends of the straight tracks end to end.

[0038] The sliding plate 11 is rotatably connected to a moving belt 21 at its upper end for placing materials; the connecting rod 4 includes a connecting rod 41 at one end that is rotatably connected to the sliding plate 11 and can drive the moving belt 21 to rotate; the other end of the connecting rod 41 is rotatably connected to another adjacent sliding plate 11 in the direction of movement of the sliding plate 11.

[0039] When the sliding plate 11 is located on the arc-shaped track, the corresponding connecting rod 41 rotates in the positive direction to the first angle, causing the moving belt 21 to drive the material to slide to the limit position inside the annular track 10, reducing the centrifugal force. The centrifugal force on the material is equal to the square of the angular velocity multiplied by the radius. When the material passes through the arc-shaped track, the material is stable when the transport speed is increased, preventing it from flying out.

[0040] When the sliding plate 11 is located on the linear track, the corresponding connecting rod 41 rotates in the opposite direction to the second angle, so that the moving belt 21 drives the material to slide to the limit position on the outside of the annular track 10, which facilitates clamping by the handling module, reduces the positioning accuracy of the handling module and the feeding module, and thus reduces the control difficulty.

[0041] The connecting rod portion 4 includes a gear ring 42 rotatably connected to the sliding plate 11 and driven by the moving belt 21, and two symmetrically arranged second pawls 43 slidably connected to the connecting rod 41 and capable of driving the gear ring 42 to rotate; the inner wall of the gear ring 42 is formed with a second ratchet 422 capable of unidirectional transmission connection with the second pawls 43.

[0042] The gear ring 42 in the same connecting rod 4 is coaxial with the rotation axis of the connecting rod 41; an outward spring 44 is provided between the two pawls 43 to allow them to slide toward the second ratchet 422.

[0043] When the sliding plate 11 is located on the straight track, another adjacent sliding plate 11 in the direction of movement of the sliding plate 11 slides on the annular track, which will drive the connecting rod 41 to rotate in the positive direction to the first angle.

[0044] When the sliding plate 11 is located on the arc-shaped track, another adjacent sliding plate 11 in the direction of movement of the sliding plate 11 slides on the straight track. The reverse rotation of the connecting rod 41 cannot drive the gear ring 42 to rotate. The connecting rod 41 can rotate in the opposite direction to the second angle.

[0045] The connecting rod portion 4 further includes a first pawl 48 slidably connected to the sliding plate 11 to restrict the reverse rotation of the gear ring 42, and an unlocking rod 47 slidably connected to the sliding plate 11 to simultaneously drive the first pawl 48 and the second pawl 43 to slide; the outer wall of the gear ring 42 is formed with a first ratchet 421 that can be unidirectionally connected to the first pawl 48.

[0046] A tension spring 49 is provided between the first pawl 48 and the sliding plate 11 to allow the first pawl 48 to slide toward the first ratchet 421.

[0047] When the unlocking lever 47 is in the extreme position close to the gear ring 42, the first pawl 48 is unidirectionally connected to the first ratchet 421, and the second pawl 43 is unidirectionally connected to the second ratchet 422.

[0048] When the unlocking lever 47 is at its extreme position far from the gear ring 42, the first pawl 48 does not contact the first ratchet 421, and the second pawl 43 does not contact the second ratchet 422.

[0049] The connecting rod portion 4 also includes a torsion spring 46 disposed between the gear ring 42 and the connecting rod 41; the connecting rod 41 is formed with an eccentric protrusion 411 for driving the unlocking rod 47 to slide.

[0050] When at least one of the two adjacent sliding plates 11 is located on the arc track, the eccentric protrusion 411 does not contact the unlocking rod 47, the unlocking rod 47 is located at the extreme position near the gear ring 42, and the connecting rod 41 rotates in the opposite direction to cause the torsion spring 46 to twist and store force.

[0051] When two adjacent sliding plates 11 are located on the straight track, the connecting rod 41 between the two sliding plates 11 rotates to the second angle, the eccentric protrusion 411 abuts against the unlocking rod 47 so that the unlocking rod 47 is located at the extreme position away from the gear ring 42, the torsion spring 46 elastically drives the gear ring 42 to rotate, thereby driving the moving belt 21 to rotate.

[0052] The second pawl 43 has a linkage post 431 formed on it; the gear ring 42 has a slide rod 45 slidably connected along the axial direction for driving the linkage post 431 to slide; the slide rod 45 has an inclined linkage groove 451 that is slidably connected to the linkage post 431.

[0053] The axis of the linkage column 431, the sliding direction of the second pawl 43, and the sliding direction of the slide bar 45 are all perpendicular to each other.

[0054] The unlocking lever 47 has a pressure post 471 formed on it, which can drive the slide bar 45 to slide; the pressure post 471 has an arc surface formed on it for driving the slide bar 45 to slide; the first pawl 48 has an outer protrusion 481 formed on it, which can be driven by the unlocking lever 47; the outer protrusion 481 is located on the side of the unlocking lever 47 away from the gear ring 42.

[0055] A flipping plate 20 is rotatably connected to one end of the sliding plate 11 near the inner side of the annular track 10; the rotation axis of the flipping plate 20 is tangent to the annular track 10; the moving belt 21 is rotatably connected to the flipping plate 20; an inner baffle 201 for restricting material from sliding out is formed at one end of the flipping plate 20 near the inner side of the annular track 10; a centrifugal block 31 capable of driving the flipping plate 20 to flip inward toward the annular track 10 is slidably connected to one end of the sliding plate 11 away from the inner side of the annular track 10.

[0056] The lower end of the flip plate 20 is formed with an outer lifting groove 202 away from the inner side of the annular track 10; a lifting rod 32 that can drive the outer lifting groove 202 to slide is longitudinally slidably connected to the sliding plate 11; an inclined transmission groove 322 is formed at the lower part of the lifting rod 32; a transmission column 311 for driving the transmission groove 322 to slide is formed on the centrifugal block 31.

[0057] The lower end of the lifting rod 32 is formed with a limiting block 321 that can abut against the sliding plate 11; when the limiting block 321 abuts against the upper end of the sliding plate 11, the upper end of the moving belt 21 is in a horizontal state.

[0058] Two symmetrically arranged rollers 22 are rotatably connected to the flip plate 20; the moving belt 21 is disposed on the outer periphery of the two rollers 22 and is pulsatorically connected to the rollers 22; a gearbox 23 is disposed on the flip plate 20 and is pulsatorically connected to the rollers 22; the output end of the gearbox 23 is pulsatorically connected to one of the rollers 22, and the input end of the gearbox 23 is fixedly connected to a moving gear 24 that is pulsatorically connected to the gear ring 42.

[0059] A driven column 111 is formed at the lower end of the sliding plate 11 near the inner side of the annular track 10; a motor 13 is installed on the annular track 10; a drive rod 12 is provided on the motor 13, which is fixedly connected to the output shaft of the motor 13 and can drive the driven column 111 to move.

[0060] The material is transported using a circular conveyor belt, allowing it to circulate after exiting the hopper. This differs from the traditional open-loop transport of linear conveyor belts. The biggest advantage of circular transport is that due to environmental or human factors, there are instances where materials are not detected or are falsely detected during the inspection process. Furthermore, by employing a variable frequency drive to adjust the conveyor belt according to actual production volume, energy saving and high-efficiency production can be achieved simultaneously. However, when the conveyor belt speed is further increased, the material in the curved track section will slide outwards relative to the conveyor belt due to centrifugal force. This increases the positioning difficulty of subsequent handling modules, thereby increasing control complexity and processing time.

[0061] In using this invention, the controller controls the motor 13 to rotate the drive rod 12. The rotation of the drive rod 12 abuts against the driven column 111, causing the driven column 111 to slide, i.e., the sliding plate 11 slides. The sliding plate 11 causes the connecting rod 41 to move synchronously, and the connecting rod 41 causes adjacent sliding plates 11 to slide, thus causing each sliding plate 11 to slide synchronously along the annular track 10. As the drive rod 12 continues to rotate, it will no longer abut against the driven column 111, and the sliding plate 11 will stop moving. The feeding module will transport the material to the corresponding moving belt 21 located on the linear track. The transport module will remove the material from the moving belt 21 on another linear track and transport it sequentially to the processing module and assembly module for processing and assembly. Then, the transport module will transport the assembled material to the storage module for stacking and warehousing. Subsequently, the drive rod 12 will continue to rotate, abutting against the driven column 111 again, causing the sliding plate 11 to slide again. This process repeats intermittently, with the sliding plate 11 sliding back and forth to transport the material.

[0062] During this process, when the sliding plate 11 slides onto the arc-shaped track, its continued sliding will cause the adjacent connecting rod 41, located in the opposite direction of its movement, to rotate in the forward direction. The rotation of the connecting rod 41 causes the eccentric protrusion 411 to rotate, and the eccentric protrusion 411 no longer abuts against the unlocking rod 47. Under the elastic force of the tension spring 49, the first pawl 48 slides towards the gear ring 42 until it abuts against the first ratchet 421. The sliding of the first pawl 48 causes the outer protrusion 481 to slide, and the sliding of the outer protrusion 481 causes the unlocking rod 47 to slide towards the gear ring 42 until the pressure post 471 no longer contacts the slide rod 45. The two second pawls 43 slide under the elastic force of the push spring 44 until they abut against the second ratchet 422. The sliding of the second pawls 43 causes the linkage post 431 to slide, and the sliding of the linkage post 431 causes the linkage inclined groove 451 to slide, thereby causing the slide rod 45 to slide upward to its limit position. Next, the connecting rod 41 continues to rotate, causing the second pawl 43 to rotate. The rotation of the second pawl 43 causes the second ratchet 422 to rotate forward, which in turn causes the gear ring 42 to rotate forward. The forward rotation of the gear ring 42 causes the moving gear 24 to rotate forward, which in turn causes the roller 22 to rotate forward via the gearbox 23. The forward rotation of the roller 22 causes the moving belt 21 to rotate. The material placed on the moving belt 21 slides towards the center of the annular track 10 until it abuts against the inner baffle 201. The moving belt 21 continues to rotate, and the material stops sliding. The rotation of the gear ring 42 causes the first ratchet 421 to rotate forward synchronously. During this process, the first pawl 48 cannot restrict the forward rotation of the first ratchet 421. In summary, the sliding plate 11 sliding on the arc track causes the moving belt 21 on the adjacent sliding plate 11 located on the straight track to rotate forward, so that the corresponding material moves to a position close to the center of the arc track, reducing the centrifugal force it experiences.

[0063] Next, the sliding plate 11 continues to slide, causing the adjacent sliding plate 11 on the straight track to slide onto the arc track. The sliding plate 11 on the arc track 11 slides along the arc track, causing the centrifugal block 31 located away from the center of the arc track 10 to slide outwards under centrifugal force. The sliding of the centrifugal block 31 drives the transmission column 311 to slide, which in turn drives the transmission chute 322 to slide, thereby causing the lifting rod 32 to slide upwards. The upward sliding of the lifting rod 32 causes the outer lifting chute 202 to slide upwards, which in turn causes the tilting plate 20 to rotate. The side of the tilting plate 20 away from the center of the circular track 10 is lifted upwards, causing the material placed on the corresponding moving belt 21 to tilt downwards, and the downward force further balances the centrifugal force. In assembly line design, different transport speeds are often adjusted according to different usage scenarios. The rotation radius of the centrifugal block 31 is larger than the rotation radius of the corresponding material, and their rotational angular velocities are the same. Therefore, the centrifugal force of the centrifugal block 31 is always greater than the centrifugal force of the material. When the transport speed is too high, the centrifugal block 31 slides outward, which further balances the centrifugal force by the downward force of the material. There is no need to set up a detection device or a power switching device. The structure is simple and easy to use.

[0064] Next, as the sliding plate 11 slides from the arc-shaped track to the straight track, the adjacent sliding plates 11 on the straight track in the direction of movement of the sliding plate 11 slide, which will drive the corresponding connecting rod 41 to rotate in the opposite direction. At this time, the corresponding second pawl 43 cannot drive the second ratchet 422 to rotate, and at the same time, the first pawl 48 restricts the first ratchet 421 from rotating in the opposite direction. The reverse rotation of the connecting rod 41 will cause the torsion spring 46 to twist and store force. When the sliding plate 11 slides onto the straight track, the connecting rod 41 rotates back to its original state. The rotation of the connecting rod 41 drives the eccentric protrusion 411 to rotate synchronously. Then, the eccentric protrusion 411 abuts against the unlocking pin 47 and drives the unlocking pin 47 to slide away from the gear ring 42. The sliding of the unlocking pin 47 drives the pressure pin 471 to slide. The sliding of the pressure pin 471 will abut against the slide rod 45 and drive the slide rod 45 to slide down to the lower limit position. The two second pawls 43 slide towards each other until they no longer contact the second ratchet 422, and the push spring 44 is compressed and stores force. Simultaneously, the unlocking post 47 slides, causing the first pawl 48 to slide synchronously until it no longer contacts the first ratchet 421, and the tension spring 49 stretches and stores force. The two adjacent sliding plates 11 are located on a straight track, the connecting rod 41 cannot rotate, and the gear ring 42 rotates in the opposite direction under the elastic force of the torsion spring 46, thereby causing the moving belt 21 to rotate in the opposite direction, causing the material placed on the moving belt 21 to slide away from the center of the circular track 10 to the edge position. This facilitates the material being gripped and moved by the handling module. The feeding module has lower requirements for feeding position accuracy; it only needs to be placed on the moving belt 21. The handling module grips from the edge position, reducing the interference area and significantly reducing control difficulty and manufacturing costs, thereby improving economic efficiency.

[0065] This invention features a connecting rod 41, with both ends rotatably connected to sliding plates 11. This allows each sliding plate 11 to slide synchronously along the annular track 10. Only one drive motor is needed, eliminating the need for belts and chains, resulting in a compact structure and reduced noise. Simultaneously, when the connecting rod 41 enters the arc-shaped track, it also drives the moving belt 21 to rotate, causing the material to slide towards the center of the arc-shaped track, reducing centrifugal force and preventing it from sliding outwards. This increases transport speed while improving material stability. Furthermore, the rotation of the connecting rod 41 also drives the unlocking rod 47 to slide, allowing the gear ring 42 to rotate in the opposite direction, transporting the material to its outermost extreme position for easy clamping by the handling module. Without adding new operating steps or power mechanisms, it is simple and convenient to use.

[0066] This invention features a movable belt 21. Before the transported material enters the arc-shaped track, the movable belt 21 moves, causing the material to slide towards the center of the arc-shaped track to its limit position, reducing the centrifugal force on the material and increasing the stability of the transport. After the transported material passes through the arc-shaped track, the movable belt 21 moves, causing the material to move to the outer edge position, which facilitates the material clamping by the handling module. The interference area is small, and the required positioning accuracy is low, thereby reducing the control difficulty and production cost. In addition, no new operating steps or power mechanisms are added, making it simple and convenient to use.

[0067] This invention features an unlocking lever 47. When the unlocking lever 47 is at its extreme position near the gear ring 42, the first pawl 48 abuts against the first ratchet 421, and the second pawl 43 abuts against the second ratchet 422. This causes the connecting rod 41 to rotate forward, driving the moving belt 21 to rotate forward, causing the material to move inward. The sliding plate 11 slides onto the arc-shaped track, and the connecting rod 41 rotates in the opposite direction, causing the torsion spring 46 to twist and store force. When the unlocking lever 47 is at its extreme position away from the gear ring 42, the sliding plate 11 slides onto the straight track. The first pawl 48 and the first ratchet 421 are not in contact, and the second pawl 43 and the second ratchet 422 are not in contact. The torsion spring 46's elastic force causes the moving belt 21 to rotate in the opposite direction, causing the material to move outward to its extreme position, facilitating clamping by the handling module.

[0068] This invention can slide along the circular track 10, facilitating carrier return. It features a compact structure, low operating noise, and high repeatability. It can transport materials placed on the moving belt 21 inwards, reducing the centrifugal force on them. While increasing transport speed, it ensures material stability and prevents relative slippage. Simultaneously, it can move materials on the moving belt 21 outwards, facilitating clamping by the handling module. The required positioning accuracy is low, thus reducing control difficulty and production costs. As the transport speed continues to increase, the centrifugal block 31 slides under centrifugal force, causing the flipping plate 20 to flip inwards. This allows the downward force of the material to counteract the centrifugal force, further improving material transport stability. No detection or power mechanism is required, and no new operating steps are added.

Claims

1. A high-efficiency material conveying device with a ring structure, characterized in that: It includes a ring track (10), multiple sliding plates (11) slidably connected to the ring track (10), and multiple connecting rods (4) respectively disposed between two adjacent sliding plates (11); the ring track (10) is a closed track formed by connecting two horizontally arranged straight tracks and two arc-shaped tracks respectively disposed at both ends of the straight tracks end to end. The sliding plate (11) is rotatably connected to a moving belt (21) at the upper end for placing materials; the connecting rod (4) includes a connecting rod (41) at one end rotatably connected to the sliding plate (11) and capable of driving the moving belt (21) to rotate; the other end of the connecting rod (41) is rotatably connected to another adjacent sliding plate (11) in the direction of movement of the sliding plate (11). When the sliding plate (11) is located on the arc track, the corresponding connecting rod (41) rotates in the positive direction to the first angle, so that the moving belt (21) drives the material to slide to the limit position inside the annular track (10) to reduce the centrifugal force. When the sliding plate (11) is located on the straight track, the corresponding connecting rod (41) rotates in the opposite direction to the second angle, so that the moving belt (21) drives the material to slide to the limit position on the outside of the annular track (10), which is convenient for the handling module to clamp. The connecting rod (4) includes a gear ring (42) rotatably connected to the sliding plate (11) and driven by the moving belt (21), and a second pawl (43) slidably connected to the connecting rod (41) and capable of driving the gear ring (42) to rotate; the inner wall of the gear ring (42) is formed with a second ratchet (422) capable of unidirectional transmission with the second pawl (43). When the sliding plate (11) is located on the straight track, another adjacent sliding plate (11) in the direction of movement of the sliding plate (11) slides on the circular track, which will drive the connecting rod (41) to rotate in the positive direction to the first angle; When the sliding plate (11) is located on the arc track, another adjacent sliding plate (11) in the direction of movement of the sliding plate (11) slides on the straight track. The connecting rod (41) cannot drive the gear ring (42) to rotate in the opposite direction. The connecting rod (41) can rotate in the opposite direction to the second angle.

2. The high-efficiency material conveying device with a ring structure as described in claim 1, characterized in that: The linkage (4) further includes a first pawl (48) slidably connected to the sliding plate (11) and capable of restricting the gear ring (42) from rotating in the opposite direction, and an unlocking rod (47) slidably connected to the sliding plate (11) and capable of simultaneously driving the first pawl (48) and the second pawl (43) to slide; the outer wall of the gear ring (42) is formed with a first ratchet (421) capable of unidirectional transmission connection with the first pawl (48). When the unlocking lever (47) is in the extreme position close to the gear ring (42), the first pawl (48) is unidirectionally connected to the first ratchet (421), and the second pawl (43) is unidirectionally connected to the second ratchet (422). When the unlocking lever (47) is at its extreme position away from the gear ring (42), the first pawl (48) does not contact the first ratchet (421), and the second pawl (43) does not contact the second ratchet (422).

3. The high-efficiency material conveying device with a ring structure as described in claim 2, characterized in that: The connecting rod (4) also includes a torsion spring (46) disposed between the gear ring (42) and the connecting rod (41); the connecting rod (41) is formed with an eccentric protrusion (411) for driving the unlocking rod (47) to slide. When at least one of the two adjacent sliding plates (11) is located on the arc track, the eccentric protrusion (411) does not contact the unlocking rod (47), the unlocking rod (47) is located at the extreme position near the gear ring (42), and the connecting rod (41) rotates in the opposite direction to cause the torsion spring (46) to twist and store force. When two adjacent sliding plates (11) are on the straight track, the connecting rod (41) between the two sliding plates (11) rotates to the second angle, the eccentric protrusion (411) abuts against the unlocking rod (47) so that the unlocking rod (47) is located at the extreme position away from the gear ring (42), and the torsion spring (46) drives the moving belt (21) to rotate.

4. The high-efficiency material conveying device with a ring structure as described in claim 3, characterized in that: The second pawl (43) has a linkage post (431) formed on it; the gear ring (42) has a sliding rod (45) for driving the linkage post (431) to slide; the sliding rod (45) has an inclined linkage groove (451) that is slidably connected to the linkage post (431).

5. The high-efficiency material conveying device with a ring structure as described in claim 4, characterized in that: The unlocking lever (47) has a pressure post (471) formed on it, which can drive the slide bar (45) to slide; the first pawl (48) has an outer protrusion (481) formed on it, which can be driven by the unlocking lever (47); the outer protrusion (481) is located on the side of the unlocking lever (47) away from the gear ring (42).

6. The high-efficiency material conveying device with a ring structure as described in claim 1, characterized in that: The sliding plate (11) is rotatably connected to a flipping plate (20) at one end near the inner side of the annular track (10); the moving belt (21) is rotatably connected to the flipping plate (20); the flipping plate (20) is formed with an inner baffle (201) for restricting material from sliding out at one end near the inner side of the annular track (10); the sliding plate (11) is slidably connected to a centrifugal block (31) that can drive the flipping plate (20) to flip inside the annular track (10) at one end away from the inner side of the annular track (10).

7. The high-efficiency material conveying device with a ring structure as described in claim 6, characterized in that: The lower end of the flip plate (20) is formed with an outer lifting groove (202) away from the inner side of the annular track (10); a lifting rod (32) capable of driving the outer lifting groove (202) to slide is longitudinally slidably connected on the sliding plate (11); an inclined transmission groove (322) is formed at the lower part of the lifting rod (32); a transmission column (311) for driving the transmission groove (322) to slide is formed on the centrifugal block (31).

8. The high-efficiency material conveying device with a ring structure as described in claim 6, characterized in that: Two symmetrically arranged rollers (22) are rotatably connected to the flip plate (20); the moving belt (21) is arranged on the outer periphery of the two rollers (22) and is connected to the rollers (22) in a transmission; a gearbox (23) is provided on the flip plate (20) and is connected to the rollers (22) in a transmission; the output end of the gearbox (23) is connected to one of the rollers (22) in a transmission, and the input end of the gearbox (23) is fixedly connected to a moving gear (24) that is connected to the gear ring (42) in a transmission.

9. The high-efficiency material conveying device with a ring structure as described in claim 1, characterized in that: The lower end of the sliding plate (11) is formed with a driven column (111) near the inner side of the annular track (10); a motor (13) is installed on the annular track (10); a drive rod (12) is provided on the motor (13) and fixedly connected to the output shaft of the motor (13) to drive the driven column (111) to move.

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