A conveying device and method for a chain inspection production line

Abstract

The present invention relates to the technical field of chain inspection, and specifically relates to a conveying device for a chain inspection production line, which includes a conveying support frame. A hollow conveying table is fixedly arranged on the conveying support frame. Conveying channels are symmetrically arranged at both ends of the hollow conveying table. A conveying gear is installed inside the hollow conveying table, and the chain is conveyed through the conveying gear. A guiding and supporting mechanism is arranged at the front end of the hollow conveying table. A movable guiding and clamping assembly is installed on the guiding and supporting mechanism. During the chain conveying process, the movable guiding and clamping assembly plays a guiding role for the chain and can also clamp the chain. The present invention also relates to a chain conveying method, which includes the following steps: Step 1: Threading of the chain; Step 2: Guiding and clamping of the chain; Step 3: Tensioning of the chain; Step 4: Conveying of the chain.

Description

Technical Field

[0001] The present invention relates to the technical field of chain inspection, and in particular to a conveying device and method for a chain inspection production line. Background Art

[0002] After the chain is produced, it is necessary to inspect the production quality of the chain, such as tight link detection, eccentric plate detection, missing plate detection, etc., and detect various performance indicators to ensure the safe use of the chain in the later stage. When inspecting the chain, the chain is usually conveyed through a conveying device to ensure that the chain can smoothly pass through each inspection point and achieve continuous inspection. Generally, the conveying of the chain is achieved through the cooperation of the chain and the gear, that is, the motor drives the gear to rotate, and through the meshing of the chain and the gear, the chain is driven to move forward, thereby realizing the conveying of the chain. However, in the actual use process of the conveying device of the prior art, due to the insufficient tension of the chain, the separation phenomenon between the chain and the gear is likely to occur, which hinders the conveying of the chain, and when the chain is conveyed, the staff needs to manually put the chain on each gear, and such an operation is rather troublesome. Summary of the Invention

[0003] The purpose of the present invention is to provide a conveying device and method for a chain inspection production line to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the present invention provides the following technical solutions:

[0005] A conveying device for a chain inspection production line includes a conveying support frame, on which a hollow conveying platform is fixedly arranged, and conveying channels are symmetrically arranged at both ends of the hollow conveying platform;

[0006] A conveying gear is installed inside the hollow conveying platform, and the chain is conveyed through the conveying gear;

[0007] A guiding support mechanism is arranged at the front end of the hollow conveying platform, and a movable guiding clamping assembly is installed on the guiding support mechanism. During the conveying process of the chain, the movable guiding clamping assembly plays a guiding role for the chain and can clamp the chain at the same time;

[0008] A tensioning support assembly is arranged inside the hollow conveying platform, and a chain tensioning mechanism is installed on the tensioning support assembly. The chain tensioning mechanism realizes the tensioning of the chain during the conveying process of the chain and slews the chain on the conveying gear;

[0009] A protection driving assembly is further arranged at the upper end of the hollow conveying platform, and the protection driving assembly drives the movable guiding clamping assembly and the chain tensioning mechanism to move.

[0010] Preferably, the guiding and bearing mechanism includes a supporting strip plate and a mating bearing plate. A moving channel is provided on the supporting strip plate, and a moving bearing rod is fixedly arranged in the moving channel;

[0011] One end of the supporting strip plate is fixedly provided with a bearing plate frame, and a limiting baffle is fixedly arranged at the upper end of the bearing plate frame.

[0012] Preferably, a mating load rod is fixedly arranged on the supporting strip plate at the lower side of the bearing plate frame;

[0013] The front end of the hollow conveying platform is also fixedly provided with a mating bearing plate. The mating bearing plate is provided with an active mating hole, and the mating bearing plate is located at the lower side of the bearing plate frame.

[0014] Preferably, the movable guiding and clamping assembly includes a first moving bearing plate, a connecting rotating plate and a second moving bearing plate. A first guiding frame is installed on the first moving bearing plate;

[0015] A first guiding wheel is installed on the first guiding frame, and a first moving insertion rod is also fixedly arranged on the first guiding frame. First elastic strips are arranged on the first guiding frame on both sides of the first moving insertion rod, and the other ends of the first elastic strips are fixed on the first moving bearing plate.

[0016] Preferably, an upper bearing plate is fixedly arranged at the upper end of the first moving bearing plate, and the upper bearing plate is inserted into the moving channel;

[0017] A moving mating hole is formed in the upper bearing plate, a moving bearing rod is inserted into the moving mating hole, and a first reset spring is sleeved on the moving bearing rod;

[0018] A mating driving plate is fixedly arranged at the upper end of the upper bearing plate. An extending strip rod is fixedly arranged on the mating driving plate, and an upper pushing block is fixedly arranged on the extending strip rod.

[0019] Preferably, the connecting rotating plate is hinged on the bearing plate frame, and the lower end surface of the connecting rotating plate is in contact with the upper pushing block;

[0020] A connecting strip rod is fixedly arranged on the connecting rotating plate. An engaging through hole is formed at the lower end of the connecting strip rod, and an engaging plate is connected to the engaging through hole;

[0021] The engaging plate is sleeved on the mating load rod. An engaging load block is fixedly arranged on the engaging plate, and an engaging bearing rod is fixedly arranged on the engaging load block. The engaging bearing rod is inserted into the engaging through hole.

[0022] Preferably, a driving hinge rod is hinged on the engaging plate. The upper end of the driving hinge rod is hinged to a second moving bearing plate. A second guiding frame is installed on the second moving bearing plate, and a second guiding wheel is installed on the second guiding frame;

[0023] A second guide frame is fixedly provided with a second movable insertion rod. Second elastic strips are arranged on the second guide frame on both sides of the second movable insertion rod, and the other ends of the second elastic strips are fixed on the second guide frame;

[0024] The lower end of the second movable bearing plate is also fixedly provided with an installation bearing rod, and the installation bearing rod is inserted into the movable fitting hole.

[0025] Preferably, the tension-bearing assembly is a fitting inner bearing strip. An activity channel is arranged on the fitting inner bearing strip. A support bearing rod is fixedly arranged in the activity channel, and a limit through hole is opened at one end of the fitting inner bearing strip;

[0026] The chain tensioning mechanism includes a movable bearing plate and a pushing bearing plate. A connecting bearing rod is fixedly arranged on the movable bearing plate. The connecting bearing rod is inserted into the limit through hole, and a connecting bottom block is fixedly arranged at the lower end of the connecting bearing rod;

[0027] A second return spring is sleeved on the connecting bearing rod. A connecting convex frame is fixedly arranged on the connecting bottom block. A hinged bearing rod is hinged on the connecting convex frame, and the lower end of the hinged bearing rod is hinged with the pushing bearing plate.

[0028] Preferably, the pushing bearing plate is sleeved on the support bearing rod. An installation bearing plate is fixedly arranged on the pushing bearing plate, and a bearing is installed on the installation bearing plate;

[0029] The bearing is fitted with a rotating column, and a rotating top wheel is fixedly arranged at the lower end of the rotating column;

[0030] A lower insertion ring groove is opened on the hollow conveyor table. The protection driving assembly is a protection cover plate. A positioning ring strip is fixedly arranged at the lower end of the protection cover plate, and the positioning ring strip is inserted into the lower insertion ring groove;

[0031] One end of the protection cover plate is fixedly provided with a driving strip block, and a driving inclined surface is arranged on the lower side of the driving strip block.

[0032] A chain conveying method includes the following steps:

[0033] Step 1: Threading of the chain: Thread the chain into the hollow conveyor table from the conveying channel at the front end of the hollow conveyor table and out from the conveying channel at the start and end ends;

[0034] Step 2: Guiding and clamping of the chain: Cover the protection cover plate on the hollow conveyor table. The first guide wheel and the second guide wheel move towards each other to guide and clamp the chain;

[0035] Step 3: Tensioning of the chain: The rotating top wheel pushes the chain to move to make it tensioned while being fitted on the conveying gear;

[0036] Step 4: Conveyor of the chain: The conveyor gear rotates to drive the chain to move, realizing the conveyor of the chain.

[0037] Compared with the prior art, the beneficial effects of the present invention are as follows: The structure of the present invention is reasonably arranged and has strong functionality, with the following advantages:

[0038] 1. When conveying the chain, pass the chain through the hollow conveyor table, and then cover the protective cover plate on the hollow conveyor table. When the protective cover plate moves downward, under the action of the driving inclined surface, it will push the first moving carrier plate towards the conveying channel. As the first moving carrier plate moves, it will also drive the second moving carrier plate towards the conveying channel. In this way, the first guide wheel and the second guide wheel will come into contact with the chain, and at the same time, the first elastic strip and the second elastic strip will be in a compressed state. In this way, under the action of the first guide wheel and the second guide wheel, it can play a guiding role in the movement of the chain, and since the first guide wheel and the second guide wheel clamp the chain to a certain extent, it also prepares for the tensioning of the chain.

[0039] 2. As the protective cover plate moves downward, its lower end surface will come into contact with the movable carrier plate. In this way, under the action of the protective cover plate, it will push the movable carrier plate downward. As the movable carrier plate moves downward, it will push the pushing carrier plate towards the chain, so that the rotating top wheel on the pushing carrier plate comes into contact with the chain, and then pushes the chain to move. With the pushing of the rotating top wheel, not only can the chain be in a tensioned state, facilitating the conveying of the chain, but also the chain can be matched with the conveyor gear, enabling it to be quickly sleeved on the conveyor gear. Description of the Drawings

[0040] Figure 1 It is an assembly schematic diagram of the conveying support frame.

[0041] Figure 2 It is Figure 1 an enlarged schematic diagram of part A in

[0042] Figure 3 It is Figure 1 an enlarged schematic diagram of part B in

[0043] Figure 4 It is an assembly schematic diagram inside the hollow conveyor table.

[0044] Figure 5 It is Figure 4 an enlarged schematic diagram of part C in

[0045] Figure 6 It is a structural schematic diagram of the conveying support frame.

[0046] Figure 7 It is Figure 6 an enlarged schematic diagram of part D in

[0047] Figure 8 The first perspective schematic diagram of the assembly of the first moving carrier plate, the connecting rotating plate and the second moving carrier plate.

[0048] Figure 9 The second perspective schematic diagram of the assembly of the first moving carrier plate, the connecting rotating plate and the second moving carrier plate.

[0049] Figure 10 The structural schematic diagram of the protective cover plate.

[0050] In the figure: 1. Conveyor carrier frame; 11. Hollow conveyor table; 111. Lower insertion ring groove; 12. Conveyor gear; 13. Matching inner bearing strip; 131. Activity channel; 132. Support carrier rod; 133. Limit through hole; 14. Conveyor channel; 15. Support strip plate; 16. Moving channel; 161. Moving carrier rod; 17. Carrier plate frame; 171. Limit baffle; 18. Matching carrier rod; 19. Matching carrier plate; 191. Activity matching hole; 2. First moving carrier plate; 21. First moving insertion hole; 22. First guide frame; 23. First guide wheel; 24. First moving insertion rod; 25. First elastic strip; 26. Upper bearing plate; 261. Moving matching hole; 262. First return spring; 27. Matching drive plate; 28. Extension bar; 29. Upper push block; 3. Connecting rotating plate; 31. Connecting bar; 311. Connecting through hole; 32. Connecting plate; 33. Matching connecting hole; 34. Connecting carrier block; 35. Connecting carrier rod; 36. Driving hinge rod; 4. Second moving carrier plate; 41. Second moving insertion hole; 42. Second guide frame; 43. Second guide wheel; 44. Second moving insertion rod; 45. Second elastic strip; 46. Installation bearing rod; 5. Activity carrier plate; 51. Connecting carrier rod; 52. Connecting bottom block; 53. Second return spring; 54. Connecting convex frame; 55. Hinged carrier rod; 56. Pushing carrier plate; 57. Moving carrier hole; 58. Installation bearing plate; 581. Assembly bearing hole; 582. Bearing; 59. Rotating column; 591. Rotating top wheel; 6. Protective cover plate; 61. Positioning ring strip; 62. Driving strip block; 63. Driving inclined plane. Detailed implementation manners

[0051] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0052] The present invention provides a technical solution:

[0053] As Figure 1 And Figure 4As shown in the figure, a conveying device for a chain inspection production line includes a conveying support frame 1. A hollow conveying platform 11 is fixedly arranged on the conveying support frame 1. Conveying channels 14 are symmetrically arranged at both ends of the hollow conveying platform 11. A conveying gear 12 is installed inside the hollow conveying platform 11. The chain is conveyed by the conveying gear 12, and the conveying gear 12 rotates driven by a motor in the prior art. A guiding and supporting mechanism is arranged at the front end of the hollow conveying platform 11. A movable guiding and clamping assembly is installed on the guiding and supporting mechanism. During the chain conveying process, the movable guiding and clamping assembly guides the chain and can clamp the chain at the same time. A tensioning and supporting assembly is arranged inside the hollow conveying platform 11. A chain tensioning mechanism is installed on the tensioning and supporting assembly. The chain tensioning mechanism realizes the tensioning of the chain during the chain conveying process and slews the chain on the conveying gear 12. A protection and driving assembly is also arranged at the upper end of the hollow conveying platform. The protection and driving assembly drives the movable guiding and clamping assembly and the chain tensioning mechanism to move.

[0054] As Figure 6 and Figure 7 shown in the figure, the guiding and supporting mechanism includes a support strip plate 15 and a matching bearing plate 19. A moving channel 16 is arranged on the support strip plate 15. A moving bearing rod 161 is fixedly arranged in the moving channel 16. A bearing plate frame 17 is fixedly arranged at one end of the support strip plate 15. A limiting baffle 171 is fixedly arranged at the upper end of the bearing plate frame 17. A matching bearing rod 18 is fixedly arranged on the support strip plate 15 below the bearing plate frame 17. A matching bearing plate 19 is also fixedly arranged at the front end of the hollow conveying platform 11. A movable matching hole 191 is arranged on the matching bearing plate 19, and the matching bearing plate 19 is located below the bearing plate frame 17.

[0055] As Figure 2 、 Figure 8 and Figure 9 shown in the figure, the movable guiding and clamping assembly includes a first moving bearing plate 2, a connecting rotating plate 3 and a second moving bearing plate 4. A first guiding frame 22 is installed on the first moving bearing plate 2. A first guiding wheel 23 is installed on the first guiding frame 22. A first moving inserting rod 24 is also fixedly arranged on the first guiding frame 22. First elastic strips 25 are arranged on the first guiding frame 22 on both sides of the first moving inserting rod 24. The other ends of the first elastic strips 25 are fixed on the first moving bearing plate 2. In addition, a first moving inserting hole 21 is arranged on the first moving bearing plate 2, and the first moving inserting rod 24 is inserted into the first moving inserting hole 21.

[0056] As Figure 1 、 Figure 2 and Figure 8As shown, an upper bearing plate 26 is fixedly arranged at the upper end of the first moving bearing plate 2. The upper bearing plate 26 is inserted into the moving channel 16. A moving cooperation hole 261 is formed in the upper bearing plate 26. A moving bearing rod 161 is inserted into the moving cooperation hole 261. A first return spring 262 is sleeved on the moving bearing rod 161. A cooperation driving plate 27 is fixedly arranged at the upper end of the upper bearing plate 26. An extension bar 28 is fixedly arranged on the cooperation driving plate 27. An upper pushing block 29 is fixedly arranged on the extension bar 28.

[0057] Both ends of the first return spring 262 are respectively fixed on the upper bearing plate 26 and the inner wall of the moving channel 16.

[0058] As Figure 2 and Figure 8 shown, the connecting rotating plate 3 is hinged on the bearing plate frame 17. The lower end surface of the connecting rotating plate 3 is in contact with the upper pushing block 29. A connecting bar 31 is fixedly arranged on the connecting rotating plate 3. A connecting through hole 311 is formed at the lower end of the connecting bar 31. The connecting through hole 311 is connected with a connecting plate 32. The connecting plate 32 is sleeved on the cooperation load rod 18. A connecting load block 34 is fixedly arranged on the connecting plate 32. A connecting bearing rod 35 is fixedly arranged on the connecting load block 34. The connecting bearing rod 35 is inserted into the connecting through hole 311. A cooperation connecting hole 33 is formed in the connecting plate 32. The cooperation connecting hole 33 cooperates with the cooperation load rod 18.

[0059] As Figure 2 and Figure 9 shown, a driving hinge rod 36 is hinged on the connecting plate 32. The upper end of the driving hinge rod 36 is hinged with a second moving bearing plate 4. A second guiding frame 42 is installed on the second moving bearing plate 4. A second guiding wheel 43 is installed on the second guiding frame 42. A second moving inserting rod 44 is fixedly arranged on the second guiding frame 42. Second elastic strips 45 are arranged on the second guiding frame 42 on both sides of the second moving inserting rod 44. The other ends of the second elastic strips 45 are fixed on the second guiding frame 42. An installation bearing rod 46 is also fixedly arranged at the lower end of the second moving bearing plate 4. The installation bearing rod 46 is inserted into the movable cooperation hole 191. A second moving inserting hole 41 is formed in the second moving bearing plate 4. The second moving inserting hole 41 cooperates with the second moving inserting rod 44.

[0060] As Figure 7 shown, the tension bearing assembly is a cooperation inner bearing strip 13. An activity channel 131 is arranged on the cooperation inner bearing strip 13. A support load rod 132 is fixedly arranged in the activity channel 131. And a limit through hole 133 is formed at one end of the cooperation inner bearing strip 13.

[0061] As Figure 4 and Figure 5As shown, the connecting strip tensioning mechanism includes a movable carrier plate 5 and a push-up carrier plate 56, a connecting carrier rod 51 is fixedly arranged on the movable carrier plate 5, the connecting carrier rod 51 is inserted into the limiting through hole 133, and a connecting bottom block 52 is fixedly arranged at the lower end of the connecting carrier rod 51, a second return spring 53 is sleeved on the connecting carrier rod 51, the second return spring 53 is located at the lower side of the matching inner bearing strip 13, and the two ends of the second return spring 53 are respectively fixed on the matching inner bearing strip 13 and the connecting bottom block 52, a connecting convex bracket 54 is fixedly arranged on the connecting bottom block 52, and a hinged connection is formed on the connecting convex bracket 54. There is a hinged carrying rod 55, the lower end of the hinged carrying rod 55 is hinged with a push-up carrying plate 56, the push-up carrying plate 56 is sleeved on the supporting carrying rod 132, a movable carrying hole 57 is opened on the push-up carrying plate 56, the supporting carrying rod 132 is inserted in the movable carrying hole 57, a mounting plate 58 is fixedly arranged on the push-up carrying plate 56, a bearing 582 is installed on the mounting plate 58, the bearing 582 is matched with a rotating column 59, a rotating top wheel 591 is fixedly arranged on the lower end of the rotating column 59, an assembly bearing hole 581 is opened on the mounting bearing plate 58, and a bearing 582 is installed in the assembly bearing hole 581.

[0062] like Figure 3 , Figure 7 and Figure 10 As shown, a lower insert ring groove 111 is opened on the hollow conveying platform 11, and the protective driving component is a protective cover plate 6. A positioning ring strip 61 is fixedly provided at the lower end of the protective cover plate 6. The positioning ring strip 61 is inserted in the lower insert ring groove 111, and a driving bar block 62 is fixedly provided at one end of the protective cover plate 6. A driving inclined surface 63 is provided on the lower side of the driving bar block 62.

[0063] A chain conveying method comprises the following steps:

[0064] Step 1: threading the chain: insert the chain into the hollow conveyor platform 11 from the conveying channel 14 at the front end of the hollow conveyor platform 11, and pass the chain out from the conveying channel 14 at the end;

[0065] Step 2: guiding and clamping the chain: the protective cover plate 6 is covered on the hollow conveying platform 11, and the first guide wheel 23 and the second guide wheel 43 move toward each other to guide and clamp the chain;

[0066] Step 3: tensioning the chain: rotating the top wheel 591 to push the chain to move so that it is tensioned and fits on the conveying gear 12;

[0067] Step 4: Chain conveying: The conveying gear 12 rotates to drive the chain to move, thereby realizing chain conveying.

[0068] When the chain is conveyed, it is inserted into the conveying channel 14 at the front end of the hollow conveying table 11 and passes through the conveying channel 14 at the end of the hollow conveying table 11. Then, the protective cover plate 6 can be covered on the hollow conveying table 11. When the protective cover plate 6 moves downward, the driving inclined surface 63 will contact the mating driving plate 27. Under the action of the driving inclined surface 63, the mating driving plate 27 will be pushed to move, and at the same time, it will also drive the upward pushing block 29 to move. As the upward pushing block 29 moves, it will push the connecting rotating plate 3 to rotate upward until the upper end surface of the connecting rotating plate 3 contacts the limiting baffle 171. As the connecting rotating plate 3 rotates upward, it will drive the connecting bar 31 to move upward, and then drive the connecting plate 32 to move upward. As the connecting plate 32 moves upward, under the action of the driving hinge rod 36, the second moving carrier plate 4 will be pushed to move in the direction of the conveying channel 14, so that the first moving carrier plate 2 and the second moving carrier plate 4 move towards each other, and the first guide wheel 23 and the second guide wheel 43 contact the chain, playing a guiding role for the chain. At the same time, the first elastic strip 25 and the second elastic strip 45 are in a compressed state, which can play a certain clamping role for the chain. As the protective cover plate 6 further moves downward, it will push the movable carrier plate 5 to move downward. As the movable carrier plate 5 moves downward, under the action of the articulated carrier rod 55, the pushing carrier plate 56 will be pushed to move towards the chain. Under the action of the rotating top wheel 591, the chain will be pushed to move, making it in a tensioned state. At the same time, it will also push the chain to be sleeved on the conveying gear 12 and cooperate with it. The rotation of the conveying gear 12 drives the chain to be conveyed. During the conveying process, the chain is in a certain tensioned state, ensuring its smooth conveyance, and there is no need for manual sleeving of the chain on the conveying gear 12, which is very convenient.

[0069] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A conveying device for a chain inspection production line, comprising a conveying support frame, characterized in that: A hollow conveying platform is fixedly arranged on the conveying and bearing frame, and conveying channels are symmetrically arranged at both ends of the hollow conveying platform; A conveying gear is installed inside the hollow conveying platform, and the chain is conveyed by the conveying gear; A guiding and bearing mechanism is arranged at the front end of the hollow conveying platform, and a movable guiding and clamping assembly is installed on the guiding and bearing mechanism. During the conveying process of the chain, the movable guiding and clamping assembly plays a guiding role for the chain and can clamp the chain at the same time. The guiding and bearing mechanism includes a supporting strip plate and a matching bearing plate; The movable guiding and clamping assembly includes a first moving bearing plate, a connecting rotating plate and a second moving bearing plate, and a first guiding frame is installed on the first moving bearing plate; A tensioning and bearing assembly is arranged inside the hollow conveying platform, and a chain tensioning mechanism is installed on the tensioning and bearing assembly. The chain tensioning mechanism realizes the tensioning of the chain during the conveying process of the chain and slews the chain on the conveying gear; The tensioning and bearing assembly is a matching inner bearing strip, an activity channel is arranged on the matching inner bearing strip, a supporting bearing rod is fixedly arranged in the activity channel, and a limiting through hole is arranged at one end of the matching inner bearing strip; The chain tensioning mechanism includes a movable bearing plate and a pushing bearing plate, a connecting bearing rod is fixedly arranged on the movable bearing plate, the connecting bearing rod is inserted in the limiting through hole, and a connecting bottom block is fixedly arranged at the lower end of the connecting bearing rod; A protection driving assembly is further arranged at the upper end of the hollow conveying platform, and the protection driving assembly drives the movable guiding and clamping assembly and the chain tensioning mechanism to move; A lower inserting ring groove is arranged on the hollow conveying platform, the protection driving assembly is a protection cover plate, and a positioning ring strip is fixedly arranged at the lower end of the protection cover plate, and the positioning ring strip is inserted in the lower inserting ring groove; 2. The conveying device for a chain inspection production line according to claim 1, wherein: A moving channel is arranged on the supporting strip plate, and a moving bearing rod is fixedly arranged in the moving channel; A bearing plate frame is fixedly arranged at one end of the supporting strip plate, and a limiting baffle is fixedly arranged at the upper end of the bearing plate frame; 3. The conveying device for a chain inspection production line according to claim 2, characterized in that: A matching bearing rod is fixedly arranged on the supporting strip plate at the lower side of the bearing plate frame; A matching bearing plate is further fixedly arranged at the front end of the hollow conveying platform, an activity matching hole is arranged on the matching bearing plate, and the matching bearing plate is located at the lower side of the bearing plate frame; 4. The conveying device for a chain inspection production line according to claim 3, wherein: A first guiding wheel is installed on the first guiding frame, and a first moving inserting rod is further fixedly arranged on the first guiding frame. First elastic strips are arranged on the first guiding frame on both sides of the first moving inserting rod, and the other ends of the first elastic strips are fixed on the first moving bearing plate; 5. The conveying device for a chain inspection production line according to claim 4, characterized in that: An upper bearing plate is fixedly arranged at the upper end of the first moving bearing plate, and the upper bearing plate is inserted in the moving channel; A moving matching hole is arranged on the upper bearing plate, a moving bearing rod is inserted in the moving matching hole, and a first return spring is sleeved on the moving bearing rod; A matching driving plate is fixedly arranged at the upper end of the upper bearing plate, an extending strip rod is fixedly arranged on the matching driving plate, and an upper pushing block is fixedly arranged on the extending strip rod; 6. The conveying device for a chain inspection production line according to claim 5, characterized in that: The connecting rotating plate is hinged on the bearing plate frame, and the lower end surface of the connecting rotating plate is in contact with the upper pushing block; A connecting strip rod is fixedly arranged on the connecting rotating plate, a connecting through hole is arranged at the lower end of the connecting strip rod, and a connecting plate is connected to the connecting through hole; The connecting plate is sleeved on the mating carrier rod, and a connecting carrier block is fixedly arranged on the connecting plate. A connecting carrier rod is fixedly arranged on the connecting carrier block, and the connecting carrier rod is inserted into the connecting through hole.

7. The conveying device for a chain inspection production line according to claim 6, wherein: A driving hinge rod is hinged on the connecting plate. The upper end of the driving hinge rod is hinged with a second moving carrier plate. A second guiding frame is installed on the second moving carrier plate, and a second guiding wheel is installed on the second guiding frame. A second moving insertion rod is fixedly arranged on the second guiding frame. Second elastic strips are arranged on the second guiding frame on both sides of the second moving insertion rod, and the other ends of the second elastic strips are fixed on the second guiding frame. An installation supporting rod is further fixedly arranged at the lower end of the second moving carrier plate, and the installation supporting rod is inserted into the movable mating hole.

8. The conveying device for a chain inspection production line according to claim 7, characterized in that: A second return spring is sleeved on the connecting carrier rod. A connecting convex frame is fixedly arranged on the connecting bottom block. A hinged carrier rod is hinged on the connecting convex frame, and the lower end of the hinged carrier rod is hinged with a pushing carrier plate.

9. The conveying device for a chain inspection production line according to claim 8, wherein: The pushing carrier plate is sleeved on the supporting carrier rod. An installation supporting plate is fixedly arranged on the pushing carrier plate, and a bearing is installed on the installation supporting plate. The bearing is engaged with a rotating column, and a rotating top wheel is fixedly arranged at the lower end of the rotating column. One end of the protective cover plate is fixedly provided with a driving strip block, and a driving inclined surface is arranged on the lower side of the driving strip block.

10. A chain conveying method, characterized in that: This conveying method is applicable to the conveying device for the chain inspection production line described in any one of claims 1-9, and includes the following steps: Step 1: Threading of the chain: Thread the chain into the hollow conveying table through the conveying channel at the front end of the hollow conveying table and out through the conveying channel at the end. Step 2: Guiding and clamping of the chain: Cover the protective cover plate on the hollow conveying table, and the first guiding wheel and the second guiding wheel move towards each other to guide and clamp the chain. Step 3: Tensioning of the chain: The rotating top wheel pushes the chain to move to tension it while cooperating with the conveying gear. Step 4: Conveying of the chain: The conveying gear rotates to drive the chain to move, realizing the conveying of the chain.

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