Round belt flow dividing and converging conveying system

Abstract

The utility model discloses a round belt flow dividing and converging conveying system which is characterized in that a first conveying line body, a second conveying line body and a third conveying line body are in butt joint through a round belt turning jacking device, the round belt turning jacking device comprises a round belt turning unit and a jacking unit, and the jacking unit can drive the round belt turning unit to move up and down in the vertical direction; when the round belt turning unit is located at the first position under the action of the jacking unit, the conveying plane of the round belt turning unit is lower than the conveying plane of the first conveying line body, and when the round belt turning unit is located at the second position under the action of the jacking unit, the conveying plane of the round belt turning unit is the same as the conveying plane of the first conveying line body. The round belt turning unit is driven by the driving mechanism of the first conveying line body to operate, and the round belt turning unit has the advantages that the round belt turning unit is matched with the jacking unit to move up and down, the conveying direction of the objects is changed, the structure is simple, the round belt turning unit does not need to be additionally provided with a driving device, driving is achieved through the driving mechanism of the conveying line body, and cost is saved.

Description

Technical Field

[0001] The present application is applied to the field of automated transportation, and specifically relates to a round belt separation and merging transportation system. Background Art

[0002] In the field of automated transportation, it is often necessary to divert loads from one conveyor line to two other different conveyor lines. In the prior art, a turntable is often used to complete the turning of the loads and transport them to the corresponding conveyor line, or lifting, rotating and lateral movement are used to complete the lifting and turning of the loads. The above devices are all relatively complex in structure and require a power system, which is costly and has a slow conveying rhythm. Summary of the invention

[0003] In view of the above reasons, the present application discloses a round belt splitting and merging conveying system, comprising a first conveying line body, a second conveying line body, a third conveying line body and a round belt turning and lifting device, wherein the first conveying line body and the second conveying line body have the same conveying direction, the conveying direction of the third conveying line body is horizontally perpendicular to the first conveying line body, the conveying planes of the first conveying line body, the second conveying line body and the third conveying line body have the same conveying plane heights, the first conveying line body, the second conveying line body and the third conveying line body are butt-connected through the round belt turning and lifting device, the round belt turning and lifting device comprises a round belt turning unit and a lifting unit, the lifting unit can drive the round belt turning unit to move up and down in the vertical direction, when the round belt turning unit is in a first position under the action of the lifting unit, the conveying plane of the round belt turning unit is lower than the conveying plane of the first conveying line body, when the round belt turning unit is in a second position under the action of the lifting unit, the conveying plane of the round belt turning unit is the same as the conveying plane of the first conveying line body, and the round belt turning unit is driven and operated by the driving mechanism of the first conveying line body.

[0004] Preferably, the round belt turning conveying unit includes a round belt, a round belt guide plate, a driving wheel and a driven wheel, the driving wheel is arranged on the driving shaft of the first conveyor line body, the driving shaft is driven by the motor of the first conveyor line body, the driven wheel is arranged on the side of the round belt guide plate close to the third conveyor line body, the round belt guide plate is provided with a round belt guide groove, the guiding direction of the round belt guide groove is a 90-degree arc from the first conveyor line body to the third conveyor line body, the round belt is sleeved between the driving wheel and the driven wheel, and partially placed in the round belt guide groove, and the upper end surface height of the round belt is higher than the plane of the round belt guide plate.

[0005] Preferably, the lifting unit includes a lifting plate, a bottom plate and a cylinder, the bottom plate is fixedly connected to the first conveyor line body, the second conveyor line body and the third conveyor line body, respectively, the lifting plate is located above the bottom plate, the free end of the cylinder is fixedly connected to the bottom plate, the fixed end of the cylinder is fixedly connected to the lifting plate, the lifting plate is fixedly connected to the lower end of the round belt guide plate, and the cylinder drives the round belt guide plate to move up and down in the vertical direction.

[0006] Preferably, a plurality of guide wheel accommodating grooves are provided on both sides of the round belt guide groove, and the outward guide wheels are freely arranged horizontally in the guide wheel accommodating grooves and abut against both sides of the round belt.

[0007] Preferably, a return guide wheel is provided below the round belt guide plate, and the round belt bypasses the return guide wheel during the return stage.

[0008] Preferably, it includes a tensioning mechanism, which includes a forward tensioning wheel, a return tensioning wheel and a tensioning wheel bracket, the forward tensioning wheel and the return tensioning wheel are arranged on the side of the jacking plate close to the first conveyor line body through the tensioning wheel bracket, the forward tensioning wheel is located above the return tensioning wheel, the forward stage of the round belt bypasses the forward tensioning wheel and is placed on the round belt guide plate, and the return stage of the round belt bypasses the return tensioning wheel and is placed on the driving wheel.

[0009] Preferably, an outer arc guide plate is provided on the outer arc side of the round belt guide plate, and an inner arc guide plate is provided on the inner arc side of the round belt guide plate near the joint between the first conveyor line body and the third conveyor line body. Both the outer arc guide plate and the inner arc guide plate are contoured shapes of the edges of the load moving on the round belt guide plate. When the round belt turning unit is in the first position under the action of the lifting unit, the height of the outer arc guide plate is lower than the conveying plane of the first conveyor line body.

[0010] Preferably, the first conveyor line body is provided with a first linear guide plate at one end of the outer arc side of the round belt guide plate near the docking point with the second conveyor line body, and the third conveyor line body is provided with a second linear guide plate at one end of the outer arc side of the round belt guide plate near the docking point with the second conveyor line body, and both the first linear guide plate and the second linear guide plate are higher than the conveying plane of the first conveyor line body.

[0011] Preferably, a fixed bracket is provided at the lower end of the base plate, and the free end of the cylinder passes through the base plate and is floatingly connected to the fixed bracket via a floating joint.

[0012] Preferably, a guide column is provided below the lifting plate, and a linear bearing is correspondingly provided on the bottom plate. The length direction of the guide column and the linear bearing is perpendicular to the ground direction, and the guide column passes through the linear bearing.

[0013] The advantage of the present application is that a round belt turning and lifting device is used to transport the load between different conveyor lines. The round belt turning unit is used in conjunction with the lifting unit to move up and down to change the conveying direction of the load. The structure is simple, and the round belt turning unit does not need to be equipped with a driving device itself. It is driven by the driving mechanism of the conveyor line, which saves costs and can ensure that the running speed of the round belt turning unit is consistent with that of the conveyor line, thereby improving the rhythm and ensuring stable transportation.

[0014] Other specific features and specific advantages of the present disclosure will be set forth in the following description, or some features and advantages may be inferred or unambiguously determined from the description, or may be learned by implementing the above-mentioned technology of the present disclosure.

[0015] In order to make the above-mentioned objectives, features and advantages of the present disclosure more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of this application.

[0018] Figure 2 for Figure 1 A partial enlarged view of .

[0019] Figure 3 This is the front view of the circular belt turning and jacking device of this application.

[0020] Figure 4 This is a schematic structural diagram of the round belt turning and lifting device of the present application.

[0021] Figure 5 This is a schematic diagram of the structure of the circular belt turning unit of this application.

[0022] Figure 6 This is a schematic diagram of the structure of the round belt guide plate of this application.

[0023] In the figure: 1. first conveyor line body; 2. second conveyor line body; 3. third conveyor line body; 4. round belt turning unit; 5. lifting unit; 6. round belt; 7. round belt guide plate; 701. round belt guide groove; 702. guide wheel accommodating groove; 8. driving wheel; 9. driven wheel; 10. driving shaft; 11. outward guide wheel; 12. lifting plate; 13. bottom plate; 14. cylinder; 15. return guide wheel; 16. outward tensioning wheel; 17. return tensioning wheel; 18. tensioning wheel bracket; 19. outer arc guide plate; 20. inner arc guide plate; 21. first linear guide plate; 22. second linear guide plate; 23. fixed bracket; 24. floating joint; 25. guide column; 26. linear bearing. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] like Figure 1As shown, the first conveyor line body 1, the second conveyor line body 2, and the third conveyor line body 3 are all sheet-based belt conveyors. In other embodiments, they can also be other conventional conveyors, such as belt conveyors, roller conveyors, etc., without specific limitation herein. The first conveyor line body 1, the second conveyor line body 2, and the third conveyor line body 3 are butt-connected by a round belt turning and lifting device. The conveying directions of the first conveyor line body 1 and the second conveyor line body 2 are the same, and the conveying directions are in the same straight line. The conveying direction of the third conveyor line body 3 is horizontally rotated 90 degrees relative to the conveying direction of the first conveyor line body 1, that is, vertical on the horizontal plane. The conveying heights of the first conveyor line body 1, the second conveyor line body 2, and the third conveyor line body 3 are the same. The round belt turning and lifting device includes a round belt turning unit 4 and a lifting unit 5. The round belt turning unit 4 is placed above the lifting unit 5. The round belt turning unit 4 is moved up and down in the vertical direction driven by the lifting unit 5. When the round belt turning unit 4 is in a low stroke position under the action of the lifting unit 5, that is, the first position, the conveying plane of the round belt turning unit 4 is lower than the conveying plane of the first conveying line body 1, and the load will pass directly above the round belt turning unit 4 from the first conveying line body 1 without contacting the round belt turning unit 4, and will be directly conveyed to the second conveying line body 2 along the conveying direction, that is, the load will be conveyed in a straight line; when the round belt turning unit 4 is in a high stroke position under the action of the lifting unit 5, that is, the second position, the conveying plane of the round belt turning unit 4 rises to the same height as the conveying plane of the first conveying line body 1, the load is conveyed from the first conveying line body 1, and is driven by the round belt turning unit 4 to turn 90 degrees and move to the third conveying line body 3. By using the lifting unit 5 to control the height of the round belt turning unit 4, the load is controlled to be diverted from the first conveying line body 1 to the second conveying line body 2 or the third conveying line body 3. When the load is transported from the third conveyor line 3 to the first conveyor line 1, the round belt turning unit 4 is in a high stroke position under the action of the lifting unit 5, and the load is driven by the round belt turning unit 4 to turn 90 degrees and move to the first conveyor line 1 and transported downward; when the load is transported from the second conveyor line 2 to the first conveyor line 1, the round belt turning unit 4 is in a low stroke position under the action of the lifting unit 5, and the load passes over the round belt turning unit 4 without contacting the round belt turning unit 4 and is transported to the first conveyor line 1 along the conveying direction, and the height of the round belt turning unit 4 is controlled by the lifting unit 5, thereby controlling the load to merge from the second conveyor line 2 and the third conveyor line 3 to the first conveyor line 1.

[0026] The above-mentioned round belt turning unit 4 is driven by the driving mechanism of the first conveyor line body 1 to drive the load to turn, without the need to install an additional self-driving device. At the same time, the conveying direction and conveying speed of the round belt turning unit 4 can be consistent with the conveying speed of the first conveyor line body 1, thereby ensuring the stable transportation of the load during the diversion and merging process.

[0027] In some embodiments, Figures 2 to 6As shown, the round belt turning unit includes a round belt 6, a round belt guide plate 7, a driving wheel 8 and a driven wheel 9. The round belt 6 is an endless belt with a circular cross-section, which has a certain elasticity and a certain friction coefficient. The round belt guide plate 7 has a round belt guide groove 701 which is recessed downward relative to the upper surface. The round belt guide groove 701 can accommodate the lower part of the round belt 6 and guide the moving direction of the round belt 6. When the round belt 6 is placed in the round belt guide groove 701, the upper end surface height of the round belt 6 will be higher than the plane height of the round belt guide plate 7, so that it contacts the lower surface of the load and drives the load to move. The guiding direction of the round belt guide groove 701 is from the conveying centerline position of the first conveying line body 1 to the conveying centerline position of the third conveying line body 3, that is, the guiding direction is to turn 90 degrees from the conveying direction of the first conveying line body 1 to the conveying direction of the third conveying line body 3, and the round belt guide groove is 90 degrees. The driving wheel 8 is arranged on the driving shaft 10 of the first conveyor line body 1, and the driving shaft 10 is driven by the motor of the first conveyor line body 1. While driving the first conveyor line body 1 to run, it also drives the driving wheel 8 to run. If the driving wheel 8 and the line driving wheel diameter of the first conveyor line body 1 are consistent, the conveying speed of the round belt 6 will be consistent with the conveying speed of the first conveyor line body 1. The conveying speed of the round belt 6 relative to the first conveyor line body 1 can be adjusted by adjusting the diameter of the driving wheel 8. The driven wheel 9 is arranged on the side of the round belt guide plate 7 close to the third conveyor line body 3 through the mounting part. The driving wheel 8 and the driven wheel 9 are both vertically arranged. The round belt 6 successively bypasses the driving wheel 8, the round belt guide groove 701, the driven wheel 9 and returns to the driving wheel 8 from the bottom of the round belt guide plate 7, so that the round belt turning unit 4 has conveying power.

[0028] In some embodiments, Figures 3 to 6 As shown, a plurality of guide wheel accommodating grooves 702 are provided on both sides of the round belt guide groove 701. The outward guide wheel 11 can be horizontally arranged in the guide wheel accommodating groove 702 and can rotate freely. The part of the round belt 6 placed in the round belt guide groove 701 will abut against and roll with the outward guide wheels 11 on both sides, thereby reducing the speed loss of the round belt 6 and reducing the wear and consumption of the round belt 6.

[0029] In some embodiments, Figure 3 and Figure 4 As shown, the lifting unit includes a lifting plate 12, a bottom plate 13 and a cylinder 14. The bottom plate 13 is fixedly connected to the lower ends of the first conveyor line body 1, the second conveyor line body 2 and the third conveyor line body 3 respectively. The lifting plate 12 is spaced above the bottom plate 13. The free end of the cylinder 14 is vertically downward relative to the fixed end. The free end of the cylinder 14 is fixedly connected to the bottom plate 13. The fixed end of the cylinder 14 is fixedly connected to the lower end of the lifting plate 12. The upper surface of the lifting plate 12 is fixedly connected to the lower surface of the round belt guide plate 7. The cylinder 14 can drive the lifting plate 12 and the round belt guide plate 7 to move up and down in the vertical direction, so that the round belt guide plate 7 stays at the first position and the second position.

[0030] In some embodiments, Figures 3 to 6 As shown, a return guide wheel 15 is provided below the round belt guide plate 7. The round belt 6 is wound around the return guide wheel 15 during its return phase, thereby fixing the moving position of the round belt 6 during its return phase. The return guide wheel 15 is a free wheel and is arranged horizontally. The round belt 6 is sequentially wound around the driving wheel 8, the round belt guide groove 701, the driven wheel 9, the return guide wheel 15 and the driving wheel 8.

[0031] In some embodiments there is a tensioning mechanism, such as Figures 3 to 6 As shown, the tensioning mechanism includes a forward tensioning wheel 16, a return tensioning wheel 17 and a tensioning wheel bracket 18. The tensioning wheel bracket 18 is arranged on the side of the jacking plate 12 close to the first conveyor line body 1 and is placed between the jacking plate 12 and the driving wheel 8. The forward tensioning wheel 16 and the return tensioning wheel 17 are freely arranged on the tensioning wheel bracket 18 in the upper and lower structures. The round belt 6 is placed on the forward tensioning wheel 16 at the same height as the round belt 6 on the round belt guide plate 7. The round belt 6 is placed on the return tensioning wheel 16. The height of the tension wheel 17 is the same as the height of the round belt 6 placed on the return guide wheel 15. The round belt 6 is sequentially wound around the driving wheel 8, the outbound tensioning wheel 16, the round belt guide groove 701, the driven wheel 9, the return guide wheel 15, the return tensioning wheel 17 to the driving wheel 8. The outbound tensioning wheel 16 and the return tensioning wheel 17 have a tensioning effect on the round belt 6. Since the round belt 6 will stretch and shrink during the up and down displacement driven by the cylinder 14, a tensioning mechanism is provided to prevent the round belt 6 from loosening.

[0032] In some embodiments, Figure 1 and Figure 2 As shown, the direction of the round belt guide plate 7 relative to the arc top of the round belt guide groove 701 is the outer arc side, and the direction relative to the arc center of the round belt guide groove 701 is the inner arc side. The outer arc side of the round belt guide plate 7 is provided with an outer arc guide plate 19, and the outer arc guide plate 19 is an arc plate. The arc shape of the outer arc guide plate 19 is the contour shape of the outer edge movement trajectory when the load moves on the round belt guide plate 7. At the joint of the first conveyor line body 1 and the third conveyor line body 3 near the inner arc side, an inner arc guide plate 20 is provided, and the arc shape of the inner arc guide plate 20 is The contour shape of the inner edge moving trajectory of the load when it moves on the round belt guide plate 7, when the round belt guide plate 7 is in the first position, the height of the outer arc guide plate 19 is lower than the conveying plane of the first conveyor line body 1, that is, when the round belt turning unit 4 is in the first position, the outer arc guide plate 19 will not interfere with the movement of the load between the first conveyor line body 1 and the second conveyor line body 2, the outer arc guide plate 19 and the inner arc guide plate 20 guide the turning process of the load to prevent the load from moving out of the fixed conveying trajectory during the turning process.

[0033] In some embodiments, Figure 1 and Figure 2As shown, the first conveyor line body 1 is provided with a first linear guide plate 21 at one end of the joint with the second conveyor line body 2 close to the outer arc side, and the third conveyor line body 3 is provided with a second linear guide plate 22 at one end of the joint with the second conveyor line body 2 close to the outer arc side. The heights of the first linear guide plate 21 and the second linear guide plate 22 are both higher than the conveying plane of the first conveyor line body 1, which plays a guiding role when the load moves out of the corresponding conveyor line body due to speed or centrifugal force during straight-line conveyance or after turning to straight-line conveyance, thereby ensuring the transportation stability of the load.

[0034] In some embodiments, Figure 3 As shown, a fixed bracket 23 is provided at the lower end of the base plate 13, and the free end of the cylinder 14 passes through the preset hole of the base plate 13 and is floatingly connected to the fixed bracket 23 through a floating joint 24. This structural design can effectively reduce the spacing distance between the base plate 13 and the lifting plate 12, saving space, and adopting a floating connection to reduce the radial force received by the cylinder 14 and increase the service life of the cylinder 14.

[0035] In some embodiments, Figure 3 As shown, guide columns 25 are fixed downward at the four corners of the lifting plate 12, and linear bearings 26 are passed through the corresponding positions of the bottom plate 13. The guide columns 25 are passed through the linear bearings 26 and are connected to the linear bearings 26, playing a guiding role during the vertical displacement process.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] Finally, it should be noted that the above-described embodiments are only specific implementation methods of the present invention, which are used to illustrate the technical solutions of the present invention rather than to limit them. The protection scope of the present invention is not limited thereto. Although the present invention has been described in detail with reference to the aforementioned embodiments, those of ordinary skill in the art should understand that any technician familiar with the technical field can still modify the technical solutions recorded in the aforementioned embodiments within the technical scope disclosed by the present invention, or can easily conceive of changes, or make equivalent replacements for some of the technical features therein. Such modifications, changes or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be covered within the protection scope of the present invention.

Claims

1. A round belt converging and distributing conveying system, characterized in that: The invention comprises a first conveyor line body (1), a second conveyor line body (2), a third conveyor line body (3) and a round belt turning and lifting device, wherein the first conveyor line body (1) and the second conveyor line body (2) have the same conveying direction, the conveying direction of the third conveyor line body (3) is horizontally perpendicular to the first conveyor line body (1), the conveying plane heights of the first conveyor line body (1), the second conveyor line body (2) and the third conveyor line body (3) are the same, the first conveyor line body (1), the second conveyor line body (2) and the third conveyor line body (3) are butt-connected via the round belt turning and lifting device, and the round belt turning and lifting device comprises a round belt turning and The round belt turning unit (4) is provided with a lifting unit (4) and a jacking unit (5), wherein the lifting unit (5) can drive the round belt turning unit (4) to move up and down in a vertical direction; when the round belt turning unit (4) is in a first position under the action of the lifting unit (5), the conveying plane of the round belt turning unit (4) is lower than the conveying plane of the first conveying line body (1); when the round belt turning unit (4) is in a second position under the action of the lifting unit (5), the conveying plane of the round belt turning unit (4) is the same as the conveying plane of the first conveying line body (1), and the round belt turning unit (4) is driven and operated by the driving mechanism of the first conveying line body (1).

2. The round belt separation and merging conveying system according to claim 1 is characterized in that: The round belt turning unit comprises a round belt (6), a round belt guide plate (7), a driving wheel (8) and a driven wheel (9); the driving wheel (8) is arranged on a driving shaft (10) of the first conveyor line body (1); the driving shaft (10) is driven by a motor of the first conveyor line body (1); the driven wheel (9) is arranged on a side of the round belt guide plate (7) close to the third conveyor line body (3); the round belt guide plate (7) is provided with a round belt guide groove (701); the guiding direction of the round belt guide groove (701) is a 90-degree arc from the first conveyor line body (1) to the third conveyor line body (3); the round belt (6) is sleeved between the driving wheel (8) and the driven wheel (9) and is partially placed in the round belt guide groove (701); the upper end surface of the round belt (6) is higher than the plane of the round belt guide plate (7).

3. The round belt converging and distributing conveying system according to claim 2 is characterized in that: The lifting unit (5) comprises a lifting plate (12), a bottom plate (13) and a cylinder (14); the bottom plate (13) is fixedly connected to the first conveyor line body (1), the second conveyor line body (2) and the third conveyor line body (3), respectively; the lifting plate (12) is located above the bottom plate (13); the free end of the cylinder (14) is fixedly connected to the bottom plate (13); the fixed end of the cylinder (14) is fixedly connected to the lifting plate (12); the lifting plate (12) is fixedly connected to the lower end of the round belt guide plate (7); and the cylinder (14) drives the round belt guide plate (7) to move up and down in the vertical direction.

4. The round belt separation and merging conveying system according to claim 3 is characterized in that: A plurality of guide wheel receiving grooves (702) are provided on both sides of the round belt guide groove (701), and the outward guide wheel (11) is freely arranged horizontally in the guide wheel receiving groove (702) and abuts against both sides of the round belt (6).

5. The round belt merging and dividing conveying system according to claim 3 is characterized in that: A return guide wheel (15) is provided below the round belt guide plate (7), and the round belt (6) bypasses the return guide wheel (15) during the return phase.

6. The round belt converging and distributing conveying system according to claim 3 is characterized in that: The invention comprises a tensioning mechanism, wherein the tensioning mechanism comprises a forward tensioning wheel (16), a return tensioning wheel (17) and a tensioning wheel bracket (18); the forward tensioning wheel (16) and the return tensioning wheel (17) are arranged on a side of the jacking plate (12) close to the first conveyor line body (1) through the tensioning wheel bracket (18); the forward tensioning wheel (16) is located above the return tensioning wheel (17); the forward stage of the round belt (6) bypasses the forward tensioning wheel (16) and is then arranged on the round belt guide plate (7); and the return stage of the round belt (6) bypasses the return tensioning wheel (17) and is then arranged on the driving wheel (8).

7. The round belt converging and distributing conveying system according to claim 2, characterized in that: An outer arc guide plate (19) is provided on the outer arc side of the round belt guide plate (7), and an inner arc guide plate (20) is provided on the inner arc side of the round belt guide plate (7) near the joint between the first conveyor line body (1) and the third conveyor line body (3). Both the outer arc guide plate (19) and the inner arc guide plate (20) are shaped like the edge of the object moving on the round belt guide plate (7). When the round belt turning unit (4) is in the first position under the action of the lifting unit (5), the height of the outer arc guide plate (19) is lower than the conveying plane of the first conveyor line body (1).

8. The round belt converging and distributing conveying system according to claim 2, characterized in that: The first conveyor line body (1) is provided with a first linear guide plate (21) at one end of the outer arc side of the round belt guide plate (7) at the joint with the second conveyor line body (2); the third conveyor line body (3) is provided with a second linear guide plate (22) at one end of the outer arc side of the round belt guide plate (7) at the joint with the second conveyor line body (2); the first linear guide plate (21) and the second linear guide plate (22) are both higher than the conveying plane of the first conveyor line body (1).

9. The round belt separation and merging conveying system according to claim 3, characterized in that: A fixed bracket (23) is provided at the lower end of the base plate (13), and a free end of the cylinder (14) passes through the base plate (13) and is floatingly connected to the fixed bracket (23) via a floating joint (24).

10. The round belt separation and merging conveying system according to claim 9, characterized in that: A guide column (25) is provided below the lifting plate (12), and a linear bearing (26) is correspondingly provided on the bottom plate (13); the length direction of the guide column (25) and the linear bearing (26) is perpendicular to the ground, and the guide column (25) passes through the linear bearing (26).

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