Flow dividing and converging conveying system

Abstract

The utility model discloses a diverting and converging conveying system which comprises a first conveying line body, a second conveying line body, a three-position jacking transverse moving unit, a diverting stopping unit and a converging stopping unit, the first conveying line body and the second conveying line body are in vertical butt joint in the horizontal direction, and the conveying plane of the second conveying line body is higher than the conveying plane of the first conveying line body; the three-position jacking and transverse moving unit is arranged on the first conveying line body, the flow dividing and stopping unit is arranged on the three-position jacking and transverse moving unit, and the flow combining and stopping unit is arranged on the side, away from the end in butt joint with the second conveying line body, of the first conveying line body and is opposite to the conveying direction of the second conveying line body. The shunting and stopping unit is connected with the three-position jacking and transverse moving unit in a matched mode, an additional releasing device does not need to be additionally arranged, the releasing, stopping and shunting and converging states of the conveying line body are switched by adjusting the position of the three-position jacking and transverse moving unit, cost is low, the structure is simple, and control is convenient.

Description

Technical Field

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

[0002] In the field of automated transportation, the diversion and confluence of multiple conveying lines are often involved. In the prior art, lifting and lateral movement are mostly used to complete the transportation between different conveying lines, and additional parking and releasing mechanisms need to be configured on each conveying line. The structure is complicated. In a high-speed transportation environment, the rhythm of the lifting and lateral movement elevator needs to be adjusted to be consistent with the rhythm of the parking and releasing mechanism. An additional electronic control system is required for coordinated control, which requires relatively high costs. Summary of the invention

[0003] In view of the above reasons, the present application discloses a diverging and merging conveying system, comprising a first conveying line body, a second conveying line body, a three-position lifting and lateral movement unit, a diversion stop unit and a merging stop unit, the first conveying line body and the second conveying line body are vertically docked in the horizontal direction, the conveying plane of the second conveying line body is higher than the conveying plane of the first conveying line body, the three-position lifting and lateral movement unit is arranged on the first conveying line body, the diversion stop unit is arranged on the three-position lifting and lateral movement unit, the merging stop unit is arranged on a side of the first conveying line body away from the docking end with the second conveying line body, and is connected to the second conveying line body. The conveying directions of the lines are relative, when the three-position lifting and lateral moving unit is in the first position, the conveying plane of the three-position lifting and lateral moving unit and the stopping surface of the diversion stop unit are lower than the conveying plane of the first conveying line body, when the three-position lifting and lateral moving unit is in the second position, the conveying plane of the three-position lifting and lateral moving unit is lower than the conveying plane of the first conveying line body, and the stopping surface of the diversion stop unit is higher than the conveying plane of the first conveying line body, when the three-position lifting and lateral moving unit is in the third position, the conveying plane of the three-position lifting and lateral moving unit is at the same height as the conveying plane of the second conveying line body.

[0004] Preferably, the three-position lifting and transverse movement unit includes a three-position cylinder, a lifting base plate and a horizontal conveyor. The conveying direction of the horizontal conveyor is the same as the conveying direction of the second conveyor line body. The horizontal conveyor is connected to the three-position cylinder through the lifting base plate. The three-position cylinder is fixedly connected to the first conveyor line body. The three-position cylinder can drive the horizontal conveyor to move up and down in the vertical direction and stay at the first position, the second position and the third position.

[0005] Preferably, the three-position cylinder is fixedly connected to the first conveyor line body through a cylinder connecting plate, and the three-position lifting and lateral movement unit also includes a guide column and a linear bearing. The length direction of the linear bearing is vertically fixed and penetrated through the cylinder connecting plate, and the linear bearing is sleeved with a guide column, one end of which is fixedly connected to the lifting base plate, and the guide column and the linear bearing cooperate to guide the horizontal conveyor in the vertical direction.

[0006] Preferably, a dust collecting pan is fixedly provided below the three-position cylinder, and a first oil collecting box is provided at one end of the guide column away from the horizontal conveyor.

[0007] Preferably, the diverter stop unit includes a first fixed stop block and a diverter stop bracket, the first fixed stop block is arranged on the side of the lifting base plate close to the direction of the first conveying line body through the diverter stop bracket, the first fixed stop block is opposite to the conveying direction of the first conveying line body, and the stop height of the first fixed stop block is higher than the conveying plane of the horizontal conveyor.

[0008] Preferably, the diverter stop unit also includes a first buffer stop block and a first buffer cylinder, the first buffer cylinder is fixedly connected to the diverter stop bracket, the first buffer stop block is connected to the free end of the first buffer cylinder, the first buffer stop block and the first fixed stop block are on the same side, and when the first buffer cylinder is in a natural state, the first buffer stop block protrudes out of the first fixed stop block on a vertical plane.

[0009] Preferably, the diversion stop unit also includes a connecting beam, a slider and a linear guide rail, the linear guide rail is fixedly arranged on one side of the diversion stop bracket, the connecting beam is fixedly connected to the first conveying line body, the slider is fixedly arranged on the side of the connecting beam opposite to the linear guide rail, and the linear guide rail is cooperatively connected with the slider.

[0010] Preferably, a second oil collecting box is fixedly provided below the linear guide rail.

[0011] Preferably, a transition mechanism is provided at the joint between the first conveyor line body and the second conveyor line body, and the transition mechanism includes a transition roller, and the transition roller is arranged at the joint between the first conveyor line body and the second conveyor line body through a roller support, and the conveying height of the transition roller is the same as the conveying plane height of the second conveyor line body.

[0012] Preferably, the merging stop unit includes a merging stop bracket, a second fixed stop block, a second buffer stop block and a second buffer cylinder, the second fixed stop block is arranged on the side of the first conveying line body away from the docking point with the second conveying line body through the merging stop bracket, the second buffer stop block is arranged on the merging stop bracket through the second buffer cylinder, the second buffer stop block is on the same side as the second fixed stop block and is opposite to the conveying direction of the second conveying line body, when the second buffer cylinder is in a natural state, the second buffer stop block protrudes from the second fixed stop on the vertical plane, and the heights of the second fixed stop and the second buffer stop are higher than the conveying plane of the second conveying line body.

[0013] The advantage of the present application is that the diversion stop unit is connected with the three-position lifting and lateral movement unit in cooperation, and there is no need to install an additional release device. By adjusting the position of the three-position lifting and lateral movement unit, the release, stop and diversion and merging state switching of the conveyor line body can be completed. The cost is low, the structure is simple, and it is easy to control.

[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 This is a schematic diagram of the structure of the three-position lifting and lateral movement unit of the present application.

[0019] Figure 3 It is a schematic structural diagram of the three-position lifting and lateral movement unit and the diversion and stop unit of the present application.

[0020] Figure 4 This is a schematic diagram of the structure of the diversion stop unit of the present application.

[0021] Figure 5 This is a schematic diagram of the structure of the merging stop unit of the present application.

[0022] Figure 6 This is a schematic diagram of the structure of the transition mechanism of this application.

[0023] In the figure: 1. first conveyor line body; 2. second conveyor line body; 3. three-position lifting and transverse shifting unit; 4. diverter stop unit; 5. merging stop unit; 6. three-position cylinder; 7. lifting base plate; 8. horizontal conveyor; 9. cylinder connecting plate; 10. linear bearing; 11. guide column; 12. first oil receiving box; 13. dust collecting plate connecting piece; 14. dust collecting plate; 15. diverter stop bracket; 16. first fixed block; 17. connecting block; 18. first buffer block; 19. first buffer cylinder; 20. connecting crossbeam; 21. slider; 22. linear guide; 23. second oil receiving box; 24. roller bracket; 25. transition roller; 26. merging stop bracket; 27. second buffer cylinder; 28. second fixed block; 29. ​​second buffer block. 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 Figures 1 to 3As shown, the first conveying line body 1 and the second conveying line body 2 are horizontally and vertically butted, wherein the end of the second conveying line body 2 is horizontally butted with the middle section of the first conveying line body 1 at 90 degrees, and the conveying plane of the second conveying line body 2 is higher than the conveying plane of the first conveying line body 1. At the butt joint of the first conveying line body 1 and the second conveying line body 2 (hereinafter referred to as the line body butt joint), a three-position lifting and lateral movement unit 3 is provided at the position of the first conveying line body 1, and the diverter stop unit 4 is arranged on one side of the three-position lifting and lateral movement unit 3 and is opposite to the conveying direction of the first conveying line body 1, that is, close to the conveying direction side of the first conveying line body 1. The diverter stop unit 4 will move up and down in the vertical direction with the three-position lifting and lateral movement unit 3. The flow stop unit 5 is arranged on a side profile of the first conveyor line body 1 away from the docking end of the second conveyor line body 2. The stop direction of the merging stop unit 5 is opposite to the conveying direction of the second conveyor line body 2. The three-position lifting and transverse movement unit 3 includes a three-position cylinder 6, a lifting base plate 7 and a horizontal conveyor 8. The conveying direction of the horizontal conveyor 8 is consistent with the conveying direction of the second conveyor line body 2. The fixed end of the three-position cylinder 6 is fixedly connected to the lower end of the first conveyor line body 1. The free end of the three-position cylinder 6 drives the horizontal conveyor 8 and the diversion stop unit 4 to move up and down in the vertical direction through the lifting base plate 7. The three-position cylinder 6 is a commercially available cylinder with three strokes and can stay at three preset different height positions.

[0026] When the three-position cylinder 6 is in the first position, i.e., the low-stage position, the conveying plane of the horizontal conveyor 8 and the stopping surface of the diverter stop unit 4 are lower than the conveying plane of the first conveyor line body 1, and the load can operate normally on the first conveyor line body 1; when the three-position cylinder 6 is in the second position, i.e., the middle position, the conveying plane of the horizontal conveyor 8 is lower than the conveying plane of the first conveyor line body 1, and the stopping surface of the diverter stop unit 4 is higher than the conveying plane of the first conveyor line body 1, and the load transported on the first conveyor line body 1 will be stopped by the diverter stop unit 4 at the first conveyor line body 1 position directly above the horizontal conveyor 8; when the three-position cylinder 6 is in the third position, i.e., the high-stage position, the conveying plane of the horizontal conveyor 8 rises to the same height as the conveying plane of the second conveyor line body 2, and the load is lifted from the first conveyor line body 1 by the horizontal conveyor 8, and then the load moves from the conveying plane of the horizontal conveyor 8 to the conveying plane of the second conveyor line body 2 and is transported by the second conveyor line body 2, completing the diversion action.

[0027] When the load merges from the second conveyor line body 2 to the first conveyor line body 1, the three-position cylinder 6 is in the high third position, the conveying plane of the horizontal conveyor 8 is at the same height as the conveying plane of the second conveyor line body 2, the load enters the horizontal conveyor 8 from the second conveyor line body 2, and is stopped on the horizontal conveyor 8 by the merging stop unit 5, and then the three-position cylinder 6 is lowered to the low first position, the conveying plane of the horizontal conveyor 8 and the stop plane of the diversion stop unit 4 are both lower than the first conveyor line body 1, the load falls from the horizontal conveyor 8 to the first conveyor line body 1, and runs along the first conveyor line body 1 driven by the first conveyor line body 1, completing the merging action.

[0028] The above-mentioned diversion and merging actions do not require additional parking devices. They can be completed by controlling the position of the three-position cylinder 6 and coordinating the conveying directions of the first conveyor line body 1 and the second conveyor line body 2.

[0029] In some embodiments, Figures 1 to 3 The fixed end of the three-position cylinder 6 is fixedly connected to the lower end of the first conveyor line body 1 through the cylinder connecting plate 9, the free end of the three-position cylinder 6 is vertically connected to the lifting base plate 7, the horizontal conveyor 8 is fixedly arranged on the lifting base plate 7, and the four corners of the cylinder connecting plate 9 are penetrated by vertical linear bearings 10. The corresponding position of the lower end of the lifting base plate 7 is provided with a guide column 11, and the guide column 11 is sleeved in the linear bearing 10. When the three-position cylinder 6 drives the horizontal conveyor 8 to move in the vertical direction, the guide column 11 moves synchronously in the linear bearing 10, and the linear bearing 10 cooperates with the guide column 11 to play an auxiliary guiding role.

[0030] In some embodiments, Figures 2 to 3 As shown, a first oil collecting box 12 having a circular groove is provided at the lower end of the guide column 11. Since the three-position cylinder 6 needs to operate at a high frequency, lubricating oil will be added at the joint between the guide column 11 and the linear bearing 10 to reduce friction and achieve a cooling effect. The lubricating oil will fall along the guide column 11 under the action of gravity. The first oil collecting box 12 is provided to collect the falling lubricating oil to prevent pollution to the working environment. At the same time, the lubricating oil can also be recycled for secondary use, saving a certain amount of cost.

[0031] In some embodiments, Figures 2 to 3 As shown, the lower end of the fixed end of the three-position cylinder 6 is connected to a dust collecting plate 14 through a dust collecting plate connector 13. The dust collecting plate 14 is a square plate with grooves. During the operation of the three-position lifting and lateral movement unit 3, metal or plastic debris will be generated, which can be received by the dust collecting plate 14 to prevent pollution to the working environment.

[0032] In some embodiments, Figure 3 to Figure 4As shown, the diverter stop unit 4 includes a diverter stop bracket 15 and a first fixed stop block 16. The lower end of the diverter stop bracket 15 is detachably connected to the lifting base plate 7 through a connecting block 17, and is specifically arranged on the side of the lifting base plate 7 close to the conveying direction of the first conveyor line body 1. The upper end of the diverter stop bracket 15 is fixed with a first fixed stop block 16. The first fixed stop block 16 has a certain elasticity and is relative to the diverter stop bracket 15 toward the conveying direction of the first conveyor line body 1. The vertical height of the first fixed stop block 16 is higher than the conveying plane of the horizontal conveyor 8.

[0033] In some embodiments, Figure 4 As shown, the diverter stop unit 4 also includes a first buffer stopper 18 and a first buffer cylinder 19. The first buffer stopper 18 is arranged on the same side of the first fixed stopper 16. One end of the first buffer stopper 18 is fixedly connected to the free end of the first buffer cylinder 19. The fixed end of the first buffer cylinder 19 is fixedly connected to the diverter stop bracket 15. When the free end of the first buffer cylinder 19 is in a naturally extended state, the position of the first buffer stopper 18 protrudes from the first fixed stopper 16 on the vertical plane. When the load is stopped by the diverter stop unit 4, it will first contact the first buffer stopper 18 and buffer and decelerate under the action of the first buffer cylinder 19, and then contact the first fixed stopper 16 to reduce the speed to 0. The first fixed stopper 16 and the first buffer stopper 18 are arranged at the same time, so that the high-speed running load can be stopped as smoothly as possible, which is suitable for high-speed conveying conditions. It should be noted that the diverter stop bracket 15 can be a combination of multiple connectors, or an integrated bending bracket, which mainly plays a connecting and supporting role.

[0034] In some embodiments, Figure 3 to Figure 4 As shown, both ends of the connecting beam 20 can be fixedly connected to the lower end of the first conveyor line body 1, a slider 21 is fixedly provided on one side of the connecting beam 20, and a linear guide 22 is provided on the side corresponding to the diverter stop bracket 15. The length direction of the linear guide 22 is perpendicular to the ground direction, and the linear guide 22 and the slider 21 are matched and connected. When the three-position cylinder 6 drives the lifting base plate 7 and drives the diverter stop bracket 15 to move up and down at the same time, the linear guide 22 and the slider 21 play a guiding role. The lower end of the linear guide 22 can be fixedly provided with a second oil receiving box 23 with a groove. The second oil receiving box 23 accommodates the lower end of the linear guide 22, and plays a role in containing the lubricating oil flowing along the linear guide 22 to prevent environmental pollution.

[0035] In some embodiments, Figure 1 and Figure 6As shown, on one side of the first conveyor line body 1 near the joint of the line bodies, a roller bracket 24 is provided, the roller bracket 24 supports a transition roller 25, the transition roller 25 can rotate freely around the roller bracket 24, the conveying height of the transition roller 25 is the same as the conveying plane height of the second conveyor line body 2, the roller bracket 24 and the transition roller 25 form a transition mechanism, when the three-position cylinder 6 is in the third position, the horizontal conveyor 8 and the second conveyor line body 2 are at the same height, there will be a gap between the horizontal conveyor 8 and the second conveyor line body 2 due to the side of the first conveyor line body 1, the gap is filled by the transition roller 25, so as to prevent the load from being stuck when moving between the horizontal conveyor 8 and the second conveyor line body 2, and a plurality of transition rollers 25 can be provided according to the actual gap.

[0036] In some embodiments, Figure 5 As shown, the merging stop unit 5 includes a merging stop bracket 26, a second buffer cylinder 27, a second fixed stop block 28 and a second buffer stop block 29. The merging stop bracket 26 is arranged on the side of the first conveying line body 1 away from the docking point with the second conveying line body 2 through a fixing member, and is opposite to the docking point of the conveying line body. The second fixed stop block 28 is fixedly arranged on the merging stop bracket 26. The second buffer stop block 29 is fixedly connected to the free end of the second buffer cylinder 27. The fixed end of the second buffer cylinder 27 is fixedly connected to the merging stop bracket 26. The second buffer stop block 29 is arranged on the same side of the second fixed stop block 28. The second fixed stop block 28 and The height of the second buffer block 29 is higher than the conveying plane of the second conveyor line body 2. When the free end of the second buffer cylinder 27 is in a naturally extended state, the position of the second buffer block 29 protrudes from the second fixed block 28 on the vertical plane, that is, it is closer to the direction of the second conveyor line body 2. When the load is stopped by the merging stop unit 5, it will first contact the second buffer block 29 and be buffered and decelerated under the action of the second buffer cylinder 27, and then it will contact the second fixed block 28 to reduce the speed to 0. The second fixed block 28 and the second buffer block 29 are set at the same time, which can stop high-speed running loads as smoothly as possible, and is suitable for high-speed conveying conditions.

[0037] 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.

[0038] 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 separation and confluence conveying system, characterized in that: The invention comprises a first conveying line body (1), a second conveying line body (2), a three-position lifting and lateral movement unit (3), a diversion stop unit (4) and a merging stop unit (5), wherein the first conveying line body (1) is vertically butted with the second conveying line body (2) in a horizontal direction, the conveying plane of the second conveying line body (2) is higher than the conveying plane of the first conveying line body (1), the three-position lifting and lateral movement unit (3) is arranged on the first conveying line body (1), the diversion stop unit (4) is arranged on the three-position lifting and lateral movement unit (3), and the merging stop unit (5) is arranged on a side of the first conveying line body (1) away from the end butted with the second conveying line body (2) and connected to the conveying plane of the second conveying line body (2). The conveying directions are relative, when the three-position lifting and lateral movement unit (3) is in the first position, the conveying plane of the three-position lifting and lateral movement unit (3) and the stopping surface of the diversion stop unit (4) are lower than the conveying plane of the first conveying line body (1); when the three-position lifting and lateral movement unit (3) is in the second position, the conveying plane of the three-position lifting and lateral movement unit (3) is lower than the conveying plane of the first conveying line body (1), and the stopping surface of the diversion stop unit (4) is higher than the conveying plane of the first conveying line body (1); when the three-position lifting and lateral movement unit (3) is in the third position, the conveying plane of the three-position lifting and lateral movement unit (3) is at the same height as the conveying plane of the second conveying line body (2).

2. The separation and merging conveying system according to claim 1, characterized in that: The three-position lifting and transverse movement unit (3) comprises a three-position cylinder (6), a lifting base plate (7) and a horizontal conveyor (8); the conveying direction of the horizontal conveyor (8) is the same as the conveying direction of the second conveyor line body (2); the horizontal conveyor (8) is connected to the three-position cylinder (6) via the lifting base plate (7); the three-position cylinder (6) is fixedly connected to the first conveyor line body (1); the three-position cylinder (6) can drive the horizontal conveyor (8) to move up and down in the vertical direction and stay at the first position, the second position and the third position.

3. The separation and merging conveying system according to claim 2, characterized in that: The three-position cylinder (6) is fixedly connected to the first conveyor line body (1) via a cylinder connecting plate (9); the three-position lifting and lateral movement unit (3) further comprises a guide column (11) and a linear bearing (10); the linear bearing (10) is fixedly penetrated vertically in the length direction of the cylinder connecting plate (9); the linear bearing (10) is sleeved with the guide column (11); one end of the guide column (11) is fixedly connected to the lifting base plate (7); the guide column (11) and the linear bearing (10) cooperate to guide the horizontal conveyor (8) in the vertical direction.

4. The separation and merging conveying system according to claim 3, characterized in that: A dust collecting pan (14) is fixedly provided below the three-position cylinder (6), and a first oil collecting box (12) is provided at one end of the guide column (11) away from the horizontal conveyor (8).

5. The separation and merging conveying system according to claim 2, characterized in that: The diverter stop unit (4) comprises a first fixed stop block (16) and a diverter stop bracket (15); the first fixed stop block (16) is arranged on a side of the lifting base plate (7) close to the first conveying line body (1) through the diverter stop bracket (15); the first fixed stop block (16) is opposite to the conveying direction of the first conveying line body (1); and the stop height of the first fixed stop block (16) is higher than the conveying plane of the horizontal conveyor (8).

6. The separation and merging conveying system according to claim 5, characterized in that: The flow diverter stop unit (4) further comprises a first buffer stop block (18) and a first buffer cylinder (19); the first buffer cylinder (19) is fixedly connected to the flow diverter stop bracket (15); the first buffer stop block (18) is connected to a free end of the first buffer cylinder (19); the first buffer stop block (18) and the first fixed stop block (16) are on the same side; when the first buffer cylinder (19) is in a natural state, the first buffer stop block (18) protrudes from the first fixed stop block (16) on a vertical plane.

7. The separation and merging conveying system according to claim 6, characterized in that: The diversion stop unit (4) further comprises a connecting crossbeam (20), a slider (21) and a linear guide rail (22); the linear guide rail (22) is fixedly arranged on one side of the diversion stop bracket (15); the connecting crossbeam (20) is fixedly connected to the first conveying line body (1); the slider (21) is fixedly arranged on a side of the connecting crossbeam (20) opposite to the linear guide rail (22); and the linear guide rail (22) is cooperatively connected to the slider (21).

8. The separation and merging conveying system according to claim 7, characterized in that: A second oil receiving box (23) is fixedly provided below the linear guide rail (22).

9. The separation and merging conveying system according to claim 1, characterized in that: A transition mechanism is provided at a joint between the first conveyor line body (1) and the second conveyor line body (2), the transition mechanism comprising a transition roller (25), the transition roller (25) being arranged at the joint between the first conveyor line body (1) and the second conveyor line body (2) via a roller support (24), the conveying height of the transition roller (25) being the same as the conveying plane height of the second conveyor line body (2).

10. The separation and merging conveying system according to claim 1, characterized in that: The merging stop unit (5) comprises a merging stop bracket (26), a second fixed stopper (28), a second buffer stopper (29) and a second buffer cylinder (27); the second fixed stopper (28) is arranged on a side of the first conveying line body (1) away from a joint with the second conveying line body (2) through the merging stop bracket (26); the second buffer stopper (29) is arranged on the merging stop bracket (26) through the second buffer cylinder (27); the second buffer stopper (29) is on the same side as the second fixed stopper (28) and opposite to the conveying direction of the second conveying line body (2); when the second buffer cylinder (27) is in a natural state, the second buffer stopper (29) protrudes from the second fixed stopper (28) on a vertical plane; the heights of the second fixed stopper (28) and the second buffer stopper (29) are higher than the conveying plane of the second conveying line body (2).

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