Efficient material conveying device of annular structure

Abstract

The invention discloses an efficient material conveying device of an annular structure, and belongs to the technical field of logistics transportation. The efficient material conveying device comprises an annular rail, a plurality of sliding plates slidably connected to the annular rail and a plurality of connecting rod parts arranged between the sliding plates. A moving belt is rotationally connected to the sliding plate; the connecting rod part comprises a connecting rod of which one end is rotationally connected with the sliding plate; and the other end of the connecting rod is rotationally connected with the other sliding plate. When the sliding plate is located on the arc-shaped track, the moving belt drives the materials to slide inwards to the limit position. And the sliding plate is located on the linear track. And the moving belt drives the materials to slide outwards to a limit position. Materials placed on the moving belt can be conveyed to the inner side, and the centrifugal force borne by the materials is reduced. Meanwhile, the materials can be moved towards the outer side, and clamping is convenient; and after the conveying speed is continuously increased, the overturning plate overturns towards the inner side, and the material conveying stability is further improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of logistics and transportation, and more specifically, relates to a highly efficient material transmission device with an annular structure. Background Art

[0002] The Chinese patent document with the document number CN219078254U discloses a circular track transport device. The circular track transport device is provided with a transport mechanism on a workbench, the transport mechanism includes a circular track, a connecting rod assembly and a plurality of carriers, the plurality of carriers are all slidably connected to the circular track, a connecting rod assembly is provided between two adjacent carriers, the two ends of each connecting rod assembly are respectively rotatably connected to a carrier, a linear drive mechanism is provided on the inner side of the two straight segments of the circular track, the linear drive mechanism is used to provide power for the transport mechanism in the straight segment of the circular track, and a positioning mechanism is provided on the inner side of the two arc segments of the circular track, the positioning mechanism is used to position the transport mechanism in the arc segment of the circular track, the circular track transport device has high precision and long service life, only provides power in the straight segment to realize the circular movement of the carrier, the arc segment uses mechanical positioning, saves cost, and has relatively low noise.

[0003] In actual use of the above-mentioned invention patent, when the material conveying speed is increased, there is a possibility that the material will fly out under the action of centrifugal force when passing through the circular arc track, and therefore, efficient transmission cannot be achieved.

[0004] The Chinese patent document with the document number CN206502386U discloses a ring-shaped conveying and feeding operating table for a plug locking and crimping wire code automatic machine, including a machine body, a conveying section and a buffer section are arranged on the machine body, the conveying section and the buffer section form a closed circular ring, the conveying section and the buffer section are each provided with two, the conveying section is arranged in a straight line, the two ends of the buffer section are respectively connected to one end of the two conveying sections, the conveying section is a belt conveyor, the buffer section is provided with an inclined rolling roller and a plane rolling roller, the two ends of the inclined rolling roller and the plane rolling roller are movably arranged on the machine body through bearings. The utility model arranges an inclined rolling roller and a plane rolling roller in the buffer section, so that when the product is transported at a higher speed, the inclined rolling roller can overcome the centrifugal force generated by the product in the ring position, thereby preventing the product from sliding from the operating table to the ground, and reducing the resistance generated during product transportation.

[0005] Although the above patent can prevent materials from flying out under the action of centrifugal force, for products with special-shaped structures, when passing through the inclined rolling roller, the position of the product will often change, or even get stuck in the gap of the conveyor, increasing the difficulty of subsequent positioning. Therefore, the above patent cannot meet actual usage needs to a certain extent. Summary of the invention

[0006] The technical problem to be solved by the present invention is to provide a highly efficient material transmission device with an annular structure, which can realize efficient material transportation and prevent the material from moving under the action of centrifugal force when passing through an arc track.

[0007] The present invention discloses an efficient material transmission device with an annular structure, comprising an annular track, a plurality of sliding plates slidably connected to the annular track, and a plurality of connecting rods respectively arranged between two adjacent sliding plates; the annular track is a closed track composed of two horizontally arranged straight tracks and two arc tracks respectively arranged at both ends of the straight track, which are connected end to end in sequence.

[0008] The sliding plate is rotatably connected to a moving belt whose upper end is used to place materials; the connecting rod portion includes a connecting rod with 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 moving direction of the sliding plate.

[0009] When the sliding plate is located on the arc track, the corresponding connecting rod rotates positively to a first angle, so that the moving belt drives the material to slide to the inner side of the annular track to an extreme position, 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 a second angle, so that the moving belt drives the material to slide to the outer side of the circular track to an extreme position, which is convenient for the handling module to clamp.

[0011] As a further improvement of the present invention, the connecting rod portion includes a gear ring rotatably connected to the sliding plate and connected to the moving belt transmission, 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 that can be unidirectionally connected to the second pawl.

[0012] When the sliding plate is located on the linear track, another adjacent sliding plate in the moving direction 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 track, another adjacent sliding plate in the moving direction of the sliding plate slides on the linear track, the reverse rotation of the connecting rod cannot drive the gear ring to rotate, and the connecting rod can reversely rotate to a second angle.

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

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

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

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

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

[0019] When two adjacent sliding plates are located on the linear 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 located at an 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 column is formed on the second pawl; a sliding rod for driving the linkage column to slide is slidably connected to the gear ring; and a linkage inclined groove is formed on the sliding rod and is obliquely arranged and slidably connected to the linkage column.

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

[0022] As a further improvement of the present invention, the sliding plate is rotatably connected to a flip plate at one end close to the inner side of the circular track; the moving belt is rotatably connected to the flip plate; the flip plate is formed with an inner baffle plate at one end close to the inner side of the circular track for limiting the material from sliding out; the sliding plate is slidably connected to a centrifugal block at one end away from the inner side of the circular track that can drive the flip plate to flip toward the inner side of the circular track.

[0023] As a further improvement of the present invention, an outer lifting groove is formed at the lower end of the flip plate away from the inner side of the annular track; a lifting rod is longitudinally slidably connected to the sliding plate and can drive the outer lifting groove to slide; an inclined transmission groove is formed at 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, the flip plate is rotatably connected to two symmetrically arranged rollers; the moving belt is arranged on the outer periphery of the two rollers and is drivingly connected to the rollers; a gearbox is provided on the flip plate and is drivingly connected to the rollers; the output end of the gearbox is drivingly connected to one of the rollers, and the input end of the gearbox is fixedly connected to a moving gear drivingly 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 driving rod is provided on the motor, which is fixedly connected to the output shaft of the motor in the middle and can drive the driven column to move.

[0026] Compared with the prior art, the beneficial effect of the present invention is that the material is transported in a circular conveyor belt, so that the material can be transported in a cycle after being sent out of the silo. Different from the open-loop transportation of the traditional linear conveyor belt, the biggest advantage of circular transportation is that due to many factors such as the environment or human factors, the material is not detected or misdetected during the detection process. At the same time, according to the changes in actual production volume, the use of frequency conversion control transmission belt device can achieve energy saving and efficient production goals at the same time. However, when the transportation speed of the circular conveyor belt is further increased, the material in the arc track portion will slide outward relative to the circular conveyor belt due to the action of centrifugal force, thereby increasing the difficulty of positioning the subsequent handling module, thereby increasing the control difficulty and processing time.

[0027] When using the present invention, the controller controls the motor to rotate the driving rod, and the driving rod rotates to abut against the driven column and then drives the driven column to slide, that is, the sliding plate slides. The sliding of the sliding plate drives the connecting rod to move synchronously, and the connecting rod drives the adjacent sliding plates to slide, so that each sliding plate slides synchronously along the circular track. The driving rod continues to rotate and will no longer abut against the driven column. The sliding plate stops moving, and the feeding module transports the material to the corresponding moving belt on the linear track. The transport module removes the material on the moving belt on another linear track and transports it to the processing module and the assembly module in turn for processing and assembly. Then the transport module transports the assembled material to the storage module, and the storage module stacks it into the warehouse. Subsequently, the driving rod continues to rotate and will abut against the driven column again, thereby driving the sliding plate to slide again, and so on and so forth. The sliding plate slides back and forth intermittently to transport the material.

[0028] During this process, when the sliding plate slides onto the arc track, the sliding plate continues to slide and drives the adjacent connecting rod located in the opposite direction of its movement to rotate forward. The rotation of the connecting rod drives the eccentric protrusion to rotate, and the rotation of the eccentric protrusion no longer abuts against the unlocking rod. Under the elastic force of the tension spring, the first pawl slides in the direction close to the gear ring until it abuts against the first ratchet. The sliding of the first pawl drives the sliding of the outer protrusion, and the sliding of the outer protrusion drives the unlocking rod to slide in the direction of the gear ring until the pressure column no longer contacts the sliding rod. The two second pawls slide to abut against the second ratchet under the elastic force of the outward push spring. The sliding of the second pawl drives the sliding of the linkage column, and the sliding of the linkage column drives the sliding of the linkage inclined groove, thereby causing the sliding rod to slide upward to the limit position. Then, the connecting rod continues to rotate and drives the second pawl to rotate, and the rotation of the second pawl drives the second ratchet to rotate forward, thereby causing the gear ring to rotate forward, and the forward rotation of the gear ring drives the moving gear to rotate forward, thereby driving the roller to rotate forward through the gearbox. The positive rotation of the roller drives the moving belt to rotate, and the material placed on the moving belt slides to the middle of the circular track until it contacts the inner baffle plate, and the moving belt continues to rotate, and the material stops sliding. The rotation of the gear ring drives the first ratchet to rotate forward synchronously, and during this process, the first pawl cannot limit the forward rotation of the first ratchet. In summary, the sliding plate that slides onto the arc track drives the moving belt on the adjacent sliding plate on the linear 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 is subjected to.

[0029] Then, the sliding plate continues to slide, causing the adjacent sliding plate on the linear track to slide onto the curved track. The sliding plate on the curved track slides along the curved track, causing the centrifugal block located away from the center of the curved track to slide outward under the action of centrifugal force. The sliding of the centrifugal block drives the transmission column to slide, and the sliding of the transmission column drives the transmission chute to slide, thereby causing the lifting rod to slide upward. The lifting rod slides upward, driving the outer lifting chute to slide upward, and then causing the flip plate to rotate. The side of the flip plate away from the center of the circular track is lifted upward, causing the material placed on the corresponding moving belt to tilt downward, and the downward force further balances the centrifugal force. In the design of the assembly line, different transport speeds are often adjusted according to different usage scenarios. The rotation radius of the centrifugal block is greater than the rotation radius of the corresponding material, and the rotation angular velocity is the same. Therefore, the centrifugal force of the centrifugal block is always greater than the centrifugal force of the material. When the transport speed is too high, the centrifugal block slides outward, causing the downward force of the material to further balance the centrifugal force. There is no need to set up a detection device and a power switching device, and the structure is simple and easy to use.

[0030] Next, when the sliding plate slides from the arc track to the linear track, the sliding plate located on the linear track adjacent to the sliding plate in the direction of movement slides, which will drive the corresponding connecting rod to rotate in the opposite direction. At this time, the corresponding second pawl cannot drive the second ratchet to rotate. At the same time, the first pawl restricts the first ratchet from rotating in the opposite direction. The reverse rotation of the connecting rod will cause the torsion spring to twist and store force. When the sliding plate slides onto the linear track, the connecting rod rotates to its original state. The rotation of the connecting rod drives the eccentric protrusion to rotate synchronously, and then the eccentric protrusion abuts against the unlocking column and drives the unlocking column to slide away from the gear ring. The sliding of the unlocking column drives the sliding of the pressure column, which abuts against the sliding rod and drives the sliding rod to slide downward to the lower limit position. The two second pawls slide toward each other until they are no longer in contact with the second ratchet, and the outward push spring is compressed to store force. At the same time, the sliding of the unlocking column drives the first pawl to slide synchronously until it is no longer in contact with the first ratchet, and the tension spring is stretched to store force. The 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, thereby driving the moving belt to rotate in the opposite direction, so that the material placed on the moving belt slides to the edge position away from the center of the circular track. This makes it easier for the handling module to grab and move materials. The feeding position accuracy requirement of the feeding module is relatively low, and it only needs to be placed on the moving belt. The handling module grabs from the edge position to reduce the interference area, which greatly reduces the control difficulty and production manufacturing costs, thereby improving economic benefits.

[0031] The present invention is provided with a connecting rod, and both ends of the connecting rod are rotatably connected to the sliding plates, so that each sliding plate can slide synchronously along the circular track. Only one driving motor is required, and there is no need to use a belt, so the structure is compact, and there is no need to use a chain, so as to reduce noise. At the same time, the connecting rod can also drive the moving belt to rotate when entering the curved track, so that the material slides toward the center of the curved track, reducing the centrifugal force on the material and preventing the material from sliding out, thereby increasing the transportation speed and improving the stability of the material. In addition, the rotation of the connecting rod can also drive the unlocking rod to slide, so that the gear ring can rotate in the opposite direction to drive the material to be transported to the outer extreme position, which is convenient for the handling module to clamp, and no new operating steps and power mechanisms are added, so it is simple and convenient to use.

[0032] The present invention is provided with a moving belt. Before the transported material enters the curved track, the moving belt moves to make the material slide to the position close to the center of the curved track to the extreme position, thereby reducing the centrifugal force on the material and increasing the stability of transportation; after the transported material passes through the curved track, the moving belt moves to make the material move to the outer edge position, which is convenient for the handling module to clamp the material, with a small interference area and low required positioning accuracy, thereby reducing the control difficulty and production cost. In addition, no new operating steps and power mechanisms are added, and the use is simple and convenient.

[0033] The present invention is provided with an unlocking rod. When the unlocking rod is located at the extreme position close to the gear ring, the first pawl abuts against the first ratchet wheel, and the second pawl abuts against the second ratchet wheel, so that the positive rotation of the connecting rod drives the moving belt to rotate positively, so that the material moves inward, the sliding plate slides onto the arc track, and the reverse rotation of the connecting rod drives the torsion spring to twist and store force; when the unlocking rod is located at the extreme position away from the gear ring, the sliding plate slides onto the straight track, the first pawl does not contact the first ratchet wheel, the second pawl does not contact the second ratchet wheel, and the elastic force of the torsion spring drives the moving belt to rotate in the opposite direction, so that the material moves outward to the extreme position, which is convenient for the handling module to clamp.

[0034] The present invention can slide along the circular track, which is convenient for the carrier to return, has a compact structure, low working noise, and high repeated positioning accuracy; the present invention can transport the material placed on the moving belt inward, reduce the centrifugal force it is subjected to, and ensure the stability of the material while increasing the transportation speed without relative sliding. At the same time, the material on the moving belt can be moved outward to facilitate clamping by the handling module, and the required positioning accuracy is low, thereby reducing the control difficulty and production cost; after the transportation speed of the present invention continues to increase, the centrifugal block slides under the centrifugal action and can flip the flip plate inward, so that the sliding component force of the material offsets the centrifugal force, thereby further improving the material transportation stability, without the need to set up a detection mechanism and a power mechanism, and without adding new operating steps. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0036] Explanation of the numbers in the figure: A, material; 10, circular track; 11, sliding plate; 111, driven column; 12, driving rod; 13, motor; 20, flip 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, limit 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, outward push spring; 45, sliding rod; 451, linkage inclined groove; 46, torsion spring; 47, unlocking rod; 471, pressure column; 48, first pawl; 481, outer protrusion; 49, tension spring. DETAILED DESCRIPTION

[0037] Specific embodiment 1: Please refer to Figure 1-9 A highly efficient material transmission device with an annular structure comprises a horizontally arranged annular track 10, a plurality of sliding plates 11 slidably connected to the annular track 10, and a plurality of connecting rod portions 4 respectively arranged between two adjacent sliding plates 11; the annular track 10 is a closed track composed of two horizontally arranged straight tracks and two arc tracks respectively arranged at both ends of the straight tracks, which are connected end to end in sequence.

[0038] The sliding plate 11 is rotatably connected to a moving belt 21 at the upper end for placing materials; the connecting rod portion 4 includes a connecting rod 41 with 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 moving direction of the sliding plate 11.

[0039] When the sliding plate 11 is located on the curved track, the corresponding connecting rod 41 rotates forward to the first angle, so that the moving belt 21 drives the material to slide to the inner side of the circular track 10 to the extreme position, reducing the centrifugal force on the material; 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 curved track and the transportation speed is increased, the material is stable to prevent 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 outer side of the circular track 10 to the extreme position, which is convenient for clamping the transport module, reduces the positioning accuracy of the transport 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 transmission connected to 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 that can be unidirectionally transmission connected to the second pawl 43.

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

[0043] When the sliding plate 11 is located on the linear track, another adjacent sliding plate 11 in the moving direction of the sliding plate 11 slides on the annular track, which drives 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 track, another adjacent sliding plate 11 in the movement direction of the sliding plate 11 slides on the linear track, and the reverse rotation of the connecting rod 41 cannot drive the gear ring 42 to rotate. The connecting rod 41 can reversely rotate to a second angle.

[0045] The connecting rod portion 4 also includes a first pawl 48 slidably connected to the sliding plate 11 and capable of limiting the reverse rotation of the gear ring 42, 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 that can be unidirectionally transmitted with the first pawl 48.

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

[0047] When the unlocking lever 47 is located at the extreme position close to the gear ring 42 , the first pawl 48 is connected to the first ratchet wheel 421 in one-way transmission, and the second pawl 43 is connected to the second ratchet wheel 422 in one-way transmission.

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

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

[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 close to the gear ring 42, and the connecting rod 41 rotates in the opposite direction to twist the torsion spring 46 to store force.

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

[0052] A linkage column 431 is formed on the second pawl 43 ; a slide rod 45 is slidably connected to the gear ring 42 along the axial direction for driving the linkage column 431 to slide; and a linkage inclined groove 451 is formed on the slide rod 45 and is obliquely arranged and slidably connected to the linkage column 431 .

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

[0054] The unlocking rod 47 is formed with a pressure column 471 which can drive the sliding rod 45 to slide; the pressure column 471 is formed with an arc surface for driving the sliding rod 45 to slide; the first pawl 48 is formed with an external protrusion 481 which can be driven by the unlocking rod 47; the external protrusion 481 is located on the side of the unlocking rod 47 away from the gear ring 42.

[0055] The end of the sliding plate 11 close to the inner side of the circular track 10 is rotatably connected to the flip plate 20; the rotation axis of the flip plate 20 is tangent to the circular track 10; the moving belt 21 is rotatably connected to the flip plate 20; the end of the flip plate 20 close to the inner side of the circular track 10 is formed with an inner baffle 201 for limiting the material from sliding out; the end of the sliding plate 11 located away from the inner side of the circular track 10 is slidably connected to a centrifugal block 31 capable of driving the flip plate 20 to flip toward the inner side of the circular track 10.

[0056] An outer lifting groove 202 is formed at the lower end of the flip plate 20 away from the inner side of the annular track 10; a lifting rod 32 is longitudinally slidably connected to the sliding plate 11 and can drive the outer lifting groove 202 to slide; 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] A limit block 321 capable of abutting against the sliding plate 11 is formed at the lower end of the lifting rod 32; when the limit 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] The flip plate 20 is rotatably connected to two symmetrically arranged rollers 22; the moving belt 21 is arranged on the outer periphery of the two rollers 22 and is transmission-connected to the rollers 22; a gearbox 23 transmission-connected to the rollers 22 is arranged on the flip plate 20; the output end of the gearbox 23 is transmission-connected to one of the rollers 22, and the input end of the gearbox 23 is fixedly connected to a moving gear 24 transmission-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; the motor 13 is provided with a driving rod 12 which is fixedly connected to the output shaft of the motor 13 in the middle and can drive the driven column 111 to move.

[0060] The use of circular conveyor belts to transport materials allows materials to be transported in a circular manner after being sent out of the silo. Different from the open-loop transportation of traditional linear conveyor belts, the biggest advantage of circular transportation is that due to many factors such as environment or human factors, the materials are not detected or misdetected during the detection process. At the same time, according to the changes in actual production volume, the use of frequency conversion control transmission belt devices can achieve energy saving and efficient production at the same time. However, when the transportation speed of the circular conveyor belt is further increased, the materials in the arc track part will slide outward relative to the circular conveyor belt due to the action of centrifugal force, thereby increasing the positioning difficulty of the subsequent handling module, thereby increasing the control difficulty and processing time.

[0061] When using the present invention, the controller controls the motor 13 to work so that the driving rod 12 rotates, and the driving rod 12 rotates to abut against the driven column 111 and then drives the driven column 111 to slide, that is, the sliding plate 11 slides. The sliding of the sliding plate 11 drives the connecting rod 41 to move synchronously, and the connecting rod 41 drives the adjacent sliding plates 11 to slide, so that each sliding plate 11 slides synchronously along the circular track 10. The driving rod 12 continues to rotate and will no longer abut against the driven column 111. The sliding plate 11 stops moving, and the feeding module transports the material to the corresponding moving belt 21 located on the linear track. The transport module takes the material on the moving belt 21 on another linear track and transports it to the processing module and the assembly module in turn for processing and assembly. Then the transport module transports the assembled material to the storage module, and the storage module stacks and stores it. Subsequently, the driving rod 12 continues to rotate and will abut against the driven column 111 again, thereby driving the sliding plate 11 to slide again, and so on and so forth, the sliding plate 11 slides back and forth intermittently to transport the material.

[0062] During this process, when the sliding plate 11 slides onto the arc track, the sliding plate 11 continues to slide and drives the adjacent connecting rod 41 located in the opposite direction of its movement to rotate forward. The rotation of the connecting rod 41 drives the eccentric protrusion 411 to rotate, and the rotation of 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 toward the direction close to the gear ring 42 until it abuts against the first ratchet 421. The sliding of the first pawl 48 drives the sliding of the outer protrusion 481, and the sliding of the outer protrusion 481 drives the unlocking rod 47 to slide toward the gear ring 42 until the pressure column 471 no longer contacts the sliding rod 45. The two second pawls 43 slide against the second ratchet 422 under the elastic force of the outward push spring 44. The sliding of the second pawl 43 drives the sliding of the linkage column 431, and the sliding of the linkage column 431 drives the sliding of the linkage inclined slot 451, thereby causing the sliding rod 45 to slide upward to the limit position. Then, the connecting rod 41 continues to rotate to drive the second pawl 43 to rotate. The rotation of the second pawl 43 drives the second ratchet 422 to rotate forwardly, thereby causing the gear ring 42 to rotate forwardly. The forward rotation of the gear ring 42 drives the moving gear 24 to rotate forwardly, thereby driving the roller 22 to rotate forwardly through the gearbox 23. The forward rotation of the roller 22 drives the moving belt 21 to rotate. The material placed on the moving belt 21 slides toward the middle of the circular track 10 until it abuts against the inner baffle 201. The moving belt 21 continues to rotate, and the material no longer slides. The rotation of the gear ring 42 drives the first ratchet 421 to rotate forward synchronously. During this process, the first pawl 48 cannot limit the forward rotation of the first ratchet 421. In summary, the sliding plate 11 that slides onto the arc track drives the moving belt 21 on the adjacent sliding plate 11 on the linear 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 is subjected to.

[0063] Then, the sliding plate 11 continues to slide, causing the adjacent sliding plate 11 on the linear track to slide onto the curved track. The sliding plate 11 on the curved track 11 slides along the curved track, causing the centrifugal block 31 located away from the center of the curved track 10 to slide outward under the action of centrifugal force. The sliding of the centrifugal block 31 drives the transmission column 311 to slide, and the sliding of the transmission column 311 drives the transmission chute 322 to slide, thereby causing the lifting rod 32 to slide upward. The lifting rod 32 slides upward, driving the outer lifting groove 202 to slide upward, thereby causing the flip plate 20 to rotate. The side of the flip plate 20 away from the center of the circular track 10 is lifted upward, causing the material placed on the corresponding moving belt 21 to tilt downward, and the downward force component further balances the centrifugal force. In the design of the assembly line, different transport speeds are often adjusted according to different usage scenarios. The rotation radius of the centrifugal block 31 is greater than the rotation radius of the corresponding material, and the rotation angular velocity is 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, so that the downward force of the material further balances the centrifugal force. There is no need to set up a detection device and a power switching device, the structure is simple, and it is easy to use.

[0064] Next, when the sliding plate 11 slides from the arc track to the linear track, the sliding plate 11 located on the linear track adjacent to the sliding plate 11 in the direction of movement slides, 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. 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 linear track, the connecting rod 41 rotates to the original state. The rotation of the connecting rod 41 drives the eccentric protrusion 411 to rotate synchronously, and then the eccentric protrusion 411 abuts against the unlocking column 47 and drives the unlocking column 47 to slide away from the gear ring 42. The sliding of the unlocking column 47 drives the pressing column 471 to slide. The sliding of the pressing column 471 will abut against the sliding rod 45 and drive the sliding rod 45 to slide downward to the lower limit position. The two second pawls 43 slide towards each other until they are no longer in contact with the second ratchet 422, and the outward push spring 44 is compressed to store force. At the same time, the unlocking column 47 slides and drives the first pawl 48 to slide synchronously until it is not in contact with the first ratchet 421, and the tension spring 49 stretches and stores force. The two adjacent sliding plates 11 are located on a linear 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 driving the moving belt 21 to rotate in the opposite direction, so that the material placed on the moving belt 21 slides to the edge position away from the center of the circular track 10. This makes it easier for the transport module to grab and move materials. The feeding position accuracy requirement of the feeding module is relatively low, and it only needs to be placed on the moving belt 21. The transport module grabs from the edge position to reduce the interference area, which greatly reduces the control difficulty and production manufacturing cost, thereby improving economic benefits.

[0065] The present invention is provided with a connecting rod 41, and both ends of the connecting rod 41 are rotatably connected to the sliding plate 11, so that each sliding plate 11 can slide synchronously along the circular track 10. Only one driving motor is required, and there is no need to use a belt, so the structure is compact, and there is no need to use a chain, so as to reduce noise; at the same time, the connecting rod 41 can also drive the moving belt 21 to rotate when entering the curved track, so that the material slides toward the center of the curved track, reducing the centrifugal force on the material, preventing the material from sliding outward, and improving the stability of the material while increasing the transportation speed; in addition, the rotation of the connecting rod 41 can also drive the unlocking rod 47 to slide, so that the gear ring 42 can rotate in the opposite direction to drive the material to be transported to the outer extreme position, which is convenient for the handling module to clamp, and no new operating steps and power mechanisms are added, so it is simple and convenient to use.

[0066] The present invention is provided with a moving belt 21. Before the transported material enters the curved track, the moving belt 21 moves to make the material slide to the extreme position close to the center of the curved track, thereby reducing the centrifugal force on the material and increasing the stability of transportation; after the transported material passes through the curved track, the moving belt 21 moves to make the material move to the outer edge position, which is convenient for the handling module to clamp the material, with a small interference area and low required positioning accuracy, thereby reducing the control difficulty and production cost. In addition, no new operating steps and power mechanisms are added, and the use is simple and convenient.

[0067] The present invention is provided with an unlocking rod 47. When the unlocking rod 47 is located at the extreme position close to 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, so that the positive rotation of the connecting rod 41 drives the moving belt 21 to rotate positively, so that the material moves inward, the sliding plate 11 slides onto the arc track, and the reverse rotation of the connecting rod 41 drives the torsion spring 46 to twist and store force; when the unlocking rod 47 is located at the extreme position away from the gear ring 42, the sliding plate 11 slides onto the straight track, the first pawl 48 does not contact the first ratchet 421, the second pawl 43 does not contact the second ratchet 422, and the elastic force of the torsion spring 46 drives the moving belt 21 to rotate in the opposite direction, so that the material moves outward to the extreme position, which is convenient for the handling module to clamp.

[0068] The present invention can slide along the circular track 10, which is convenient for the carrier to return, has a compact structure, low working noise, and high repeated positioning accuracy; the present invention can transport the material placed on the moving belt 21 inward, reduce the centrifugal force it is subjected to, and ensure the stability of the material while increasing the transportation speed without relative sliding. At the same time, the material on the moving belt 21 can also be moved outward to facilitate clamping by the handling module. The required positioning accuracy is low, thereby reducing the control difficulty and production cost; after the transportation speed of the present invention continues to increase, the centrifugal block 31 slides under the centrifugal action and can flip the flip plate 20 inward, so that the sliding component of the material offsets the centrifugal force, thereby further improving the material transportation stability, without the need to set up a detection mechanism and a power mechanism, and without adding new operating steps.

Claims

1. A highly efficient material transmission device with an annular structure, characterized in that: The invention comprises an annular track (10), a plurality of sliding plates (11) slidably connected to the annular track (10), and a plurality of connecting rods (4) respectively arranged between two adjacent sliding plates (11); the annular 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 track end to end in sequence; The sliding plate (11) is rotatably connected to a moving belt (21) at the upper end for placing materials; the connecting rod portion (4) includes a connecting rod (41) having 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 moving direction 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 a first angle, so that the moving belt (21) drives the material to slide to the inner side of the annular track (10) to an extreme position, thereby reducing the centrifugal force; When the sliding plate (11) is located on the linear track, the corresponding connecting rod (41) rotates in the opposite direction to a second angle, so that the moving belt (21) drives the material to slide to the outer side of the circular track (10) to an extreme position, thereby facilitating the clamping of the transport module.

2. The material efficient transmission device of an annular structure as claimed in claim 1, characterized in that: The connecting rod portion (4) comprises a gear ring (42) rotatably connected to the sliding plate (11) and transmission-connected to the moving belt (21), and a second ratchet (43) slidably connected to the connecting rod (41) and capable of driving the gear ring (42) to rotate; a second ratchet wheel (422) capable of unidirectional transmission connection with the second ratchet (43) is formed on the inner wall of the gear ring (42); When the sliding plate (11) is located on the linear track, another adjacent sliding plate (11) in the movement direction of the sliding plate (11) slides on the annular track, driving the connecting rod (41) to rotate in the positive direction to a first angle; When the sliding plate (11) is located on the arc track, another adjacent sliding plate (11) in the movement direction of the sliding plate (11) slides on the linear track, the reverse rotation of the connecting rod (41) cannot drive the gear ring (42) to rotate, and the connecting rod (41) can reversely rotate to a second angle.

3. The material efficient transmission device of an annular structure as claimed in claim 2, characterized in that: The connecting rod portion (4) further comprises a first ratchet (48) slidably connected to the sliding plate (11) and capable of limiting the reverse rotation of the gear ring (42), and an unlocking rod (47) slidably connected to the sliding plate (11) and capable of simultaneously driving the first ratchet (48) and the second ratchet (43) to slide; the outer wall of the gear ring (42) is formed with a first ratchet wheel (421) capable of being unidirectionally transmission-connected to the first ratchet (48); When the unlocking lever (47) is located at an extreme position close to the gear ring (42), the first pawl (48) is connected to the first ratchet wheel (421) in a one-way transmission manner, and the second pawl (43) is connected to the second ratchet wheel (422) in a one-way transmission manner; When the unlocking lever (47) is located at an extreme position away from the gear ring (42), the first pawl (48) is not in contact with the first ratchet (421), and the second pawl (43) is not in contact with the second ratchet (422).

4. The material efficient transmission device of an annular structure as claimed in claim 3, characterized in that: The connecting rod portion (4) further comprises a torsion spring (46) arranged between the gear ring (42) and the connecting rod (41); an eccentric protrusion (411) for driving the unlocking rod (47) to slide is formed on the connecting rod (41); 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 an extreme position close to 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 located on the linear track, the connecting rod (41) between the two sliding plates (11) rotates to a second angle, the eccentric protrusion (411) abuts against the unlocking rod (47) so that the unlocking rod (47) is located at an extreme position away from the gear ring (42), and the elastic force of the torsion spring (46) drives the moving belt (21) to rotate.

5. The material efficient transmission device of an annular structure as claimed in claim 4, characterized in that: A linkage column (431) is formed on the second ratchet (43); a slide rod (45) for driving the linkage column (431) to slide is slidably connected to the gear ring (42); and a linkage inclined groove (451) is formed on the slide rod (45) and is inclined and slidably connected to the linkage column (431).

6. The material efficient transmission device of an annular structure as claimed in claim 4, characterized in that: The unlocking rod (47) is formed with a pressure column (471) capable of driving the sliding rod (45) to slide; the first ratchet (48) is formed with an external protrusion (481) capable of being driven by the unlocking rod (47); the external protrusion (481) is located on a side of the unlocking rod (47) away from the gear ring (42).

7. The material efficient transmission device with an annular structure as claimed in claim 2, characterized in that: The end of the sliding plate (11) close to the inner side of the circular track (10) is rotatably connected to the flip plate (20); the moving belt (21) is rotatably connected to the flip plate (20); the end of the flip plate (20) close to the inner side of the circular track (10) is formed with an inner baffle (201) for limiting the sliding out of materials; the end of the sliding plate (11) located away from the inner side of the circular track (10) is slidably connected to a centrifugal block (31) capable of driving the flip plate (20) to flip toward the inner side of the circular track (10).

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

9. The material efficient transmission device with an annular structure as claimed in claim 7, characterized in that: The flip plate (20) is rotatably connected to two symmetrically arranged rollers (22); the moving belt (21) is arranged on the outer periphery of the two rollers (22) and is drivingly connected to the rollers (22); a gearbox (23) drivingly connected to the rollers (22) is arranged on the flip plate (20); the output end of the gearbox (23) is drivingly connected to one of the rollers (22), and the input end of the gearbox (23) is fixedly connected to a moving gear (24) drivingly connected to the gear ring (42).

10. The material efficient transmission device with an annular structure as claimed in claim 1, characterized in that: 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 mounted on the annular track (10); and a driving rod (12) is provided on the motor (13) and is fixedly connected to an output shaft of the motor (13) in the middle and capable of driving the driven column (111) to move.

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