Conveying device and method for chain inspection production line

Abstract

The invention relates to the technical field of chain inspection, in particular to a conveying device for a chain inspection production line, which comprises a conveying bearing frame, a hollow conveying table is fixedly arranged on the conveying bearing frame, two ends of the hollow conveying table are symmetrically provided with conveying channels, and a conveying gear is mounted in the hollow conveying table; the hollow conveying table is provided with the conveying gears, the chains are conveyed through the conveying gears, the guide bearing mechanism is arranged at the front end of the hollow conveying table, the movable guide clamping assembly is installed on the guide bearing mechanism, and the movable guide clamping assembly plays a role in guiding the chains in the chain conveying process and can clamp the chains at the same time; the invention further relates to a chain conveying method. The chain conveying method comprises the following steps that firstly, the chain is threaded; 2, guiding and clamping the chain; step 3, tensioning the chain; and 4, chain conveying is carried out.

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 joint detection, eccentric piece detection, missing piece detection, etc., and to conduct inspections of various performance indicators to ensure the safe use of the chain in the later stage. When inspecting the chain, the chain is usually conveyed by a conveying device to ensure that the chain can pass each inspection point smoothly and realize continuity inspection. Generally, the conveying of the chain is achieved by the cooperation of the chain and the gear, that is, the motor drives the gear to rotate, and the chain is driven forward through the engagement of the chain and the gear, thereby realizing the conveying of the chain. However, in actual use, the conveying device of the prior art is prone to separation of the chain and the gear due to insufficient chain tension, which hinders the conveying of the chain. In addition, the staff is required to manually put the chain on each gear during chain conveying, which is more troublesome. Summary of the invention

[0003] The object 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 technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A conveying device for a chain inspection production line comprises a conveying carrier frame, a hollow conveying platform is fixedly arranged on the conveying carrier frame, and conveying channels are symmetrically opened at both ends of the hollow conveying platform; A conveying gear is installed inside the hollow conveyor table, and the chain is conveyed through the conveying gear; A guide bearing mechanism is provided at the front end of the hollow conveying platform, and a movable guide clamping assembly is installed on the guide bearing mechanism. During the chain conveying process, the movable guide clamping assembly guides the chain and can clamp the chain at the same time; A tension bearing assembly is arranged inside the hollow conveying platform, and a chain tensioning mechanism is installed on the tension bearing assembly. The chain tensioning mechanism realizes the tensioning of the chain during the chain conveying process and sleeves the chain on the conveying gear; A protection drive assembly is also provided at the upper end of the hollow conveying platform, and the protection drive assembly drives the movable guide clamping assembly and the chain tensioning mechanism to move.

[0005] Preferably, the guide bearing mechanism comprises a supporting strip and a matching bearing plate, the supporting strip is provided with a moving channel, and a moving bearing rod is fixedly provided in the moving channel; A bearing plate frame is fixedly arranged at one end of the supporting strip plate, and a limit stopper is fixedly arranged at the upper end of the bearing plate frame.

[0006] Preferably, a matching carrying rod is fixedly provided on the supporting strip plate at the lower side of the carrying plate frame; A matching bearing plate is also fixedly arranged at the front end of the hollow conveying platform, and a movable 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.

[0007] Preferably, the movable guide clamping assembly comprises a first movable bearing plate, a connecting rotating plate and a second movable bearing plate, and the first movable bearing plate is mounted with a first guide frame; The first guide frame is provided with a first guide wheel, and a first movable rod is fixedly arranged on the first guide frame. First elastic strips are arranged on the first guide frame on both sides of the first movable rod, and the other end of the first elastic strip is fixed on the first movable supporting plate.

[0008] Preferably, an upper bearing plate is fixedly provided on the upper end of the first movable carrying plate, and the upper bearing plate is inserted into the movable channel; A movable matching hole is provided on the upper bearing plate, a movable bearing rod is inserted into the movable matching hole, and a first return spring is sleeved on the movable bearing rod; A matching driving plate is fixedly arranged on the upper end of the upper supporting plate, an extending bar is fixedly arranged on the matching driving plate, and an upper pushing block is fixedly arranged on the extending bar.

[0009] 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 push block; A connecting bar is fixedly arranged on the connecting rotating plate, a connecting through hole is opened at the lower end of the connecting bar, and a connecting plate is connected to the connecting through hole; The connecting plate is sleeved on the matching carrying rod, a connecting carrying block is fixedly arranged on the connecting plate, a connecting bearing rod is fixedly arranged on the connecting bearing block, and the connecting bearing rod is inserted in the connecting through hole.

[0010] Preferably, a driving hinge is hinged on the connecting plate, a second movable bearing plate is hinged on the upper end of the driving hinge, a second guide frame is mounted on the second movable bearing plate, and a second guide wheel is mounted on the second guide frame; A second movable rod is fixedly arranged on the second guide frame, and second elastic strips are arranged on the second guide frames on both sides of the second movable rod, and the other end of the second elastic strip is fixed on the second guide frame; A mounting support rod is also fixedly provided at the lower end of the second movable bearing plate, and the mounting support rod is inserted into the movable matching hole.

[0011] Preferably, the tension bearing assembly is a matching inner support bar, a movable channel is arranged on the matching inner support bar, a supporting bearing rod is fixedly arranged in the movable channel, and a limited position through hole is arranged at one end of the matching inner support bar; The connecting strip tensioning mechanism comprises a movable carrier plate and a push-up carrier plate, a connecting carrier rod is fixedly arranged on the movable carrier plate, the connecting carrier rod is inserted into the limiting through hole, and a connecting bottom block is fixedly arranged at the lower end of the connecting carrier rod; 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 a push-up carrier plate is hinged on the lower end of the hinged carrier rod.

[0012] Preferably, the push-up carrier plate is sleeved on the supporting carrier rod, a mounting support plate is fixedly provided on the push-up carrier plate, and a bearing is installed on the mounting support plate; The bearing is matched with a rotating column, and a rotating top wheel is fixedly arranged at the lower end of the rotating column; The hollow conveying platform is provided with a lower inserting ring groove, the protective driving component is a protective cover plate, and a positioning ring strip is fixedly provided at the lower end of the protective cover plate, and the positioning ring strip is inserted in the lower inserting ring groove; A driving bar is fixedly arranged at one end of the protective cover plate, and a driving inclined surface is arranged at the lower side of the driving bar.

[0013] A chain conveying method comprises the following steps: Step 1: Threading the chain: Insert the chain from the conveying channel at the front end of the hollow conveyor into the hollow conveyor, and then pass it out from the conveying channel at the end; Step 2: Guide and clamp the chain: Cover the protective cover plate on the hollow conveyor table, move the first guide wheel and the second guide wheel towards each other, and guide and clamp the chain; Step 3: Chain tensioning: Turn the top wheel to push the chain to move so that it is tensioned and fits on the conveying gear; Step 4: Chain conveying: The conveying gear rotates to drive the chain to move, realizing chain conveying.

[0014] Compared with the prior art, the invention has the following advantages: 1. When conveying the chain, the chain is passed through the hollow conveying platform, and then the protective cover is covered on the hollow conveying platform. When the protective cover moves downward, it will push the first movable carrier plate to move in the direction of the conveying channel under the action of the driving inclined surface. As the first movable carrier plate moves, it will also drive the second movable carrier plate to move in the direction of the conveying channel, so that the first guide wheel and the second guide wheel will contact with the chain, and the first elastic strip and the second elastic strip will be in a compressed state. In this way, the movement of the chain can be guided under the action of the first guide wheel and the second guide wheel, and the first guide wheel and the second guide wheel clamp the chain to a certain extent, which also prepares for the tensioning of the chain.

[0015] 2. As the protective cover moves downward, its lower end surface will contact the movable carrier plate, so that the protective cover plate will push the movable carrier plate to move downward. As the movable carrier plate moves downward, it will push the push-up carrier plate to move in the direction of the chain, so that the rotating top wheel on the push-up carrier plate contacts the chain, thereby pushing the chain to move. With the push of the rotating top wheel, not only can the chain be in a tensioned state, which is convenient for the transportation of the chain, but also the chain can be matched with the conveying gear, so that it can be quickly connected to the conveying gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the assembly diagram of the conveying carrier.

[0017] Figure 2 for Figure 1 A magnified schematic diagram of center A.

[0018] Figure 3 for Figure 1 A magnified schematic diagram of point B in the middle.

[0019] Figure 4 This is a schematic diagram of the assembly inside the hollow conveyor table.

[0020] Figure 5 for Figure 4 Enlarged schematic diagram of point C in the middle.

[0021] Figure 6 It is a structural schematic diagram of the conveying carrier.

[0022] Figure 7 for Figure 6 Enlarged schematic diagram of point D in the middle.

[0023] Figure 8 A schematic diagram from a first perspective of assembling a first movable carrier plate, a connecting transfer plate and a second movable carrier plate.

[0024] Fig. 9 A schematic diagram from a second perspective of assembling a first movable carrier plate, a connecting rotating plate and a second movable carrier plate.

[0025] Fig.10 It is a schematic diagram of the structure of the protective cover.

[0026] In the figure: 1, conveying carrier; 11, hollow conveying platform; 111, lower insert ring groove; 12, conveying gear; 13, matching inner bearing bar; 131, movable channel; 132, supporting rod; 133, limiting through hole; 14, conveying channel; 15, supporting strip plate; 16, moving channel; 161, moving bearing rod; 17, bearing plate frame; 171, limiting baffle; 18, matching rod; 19, matching bearing plate; 191, movable matching hole; 2, first movable bearing plate; 21, first movable plug hole; 22, first guide frame; 23, first guide wheel; 24, first movable plug rod; 25, first elastic strip; 26, upper bearing plate; 261, movable matching hole; 262, first return spring; 27, matching drive plate; 28, extension bar; 29, upper push block; 3, 1. Connecting plate; 31. Connecting bar; 311. Connecting through hole; 32. Connecting plate; 33. Matching hole; 34. Connecting carrier block; 35. Connecting bearing rod; 36. Driving hinge rod; 4. Second movable carrier plate; 41. Second movable insertion hole; 42. Second guide frame; 43. Second guide wheel; 44. Second movable insertion rod; 45. Second elastic strip; 46. Installing bearing rod; 5. Movable carrier plate; 51. Connecting bearing rod; 52. Connecting bottom block; 53. Second return spring; 54. Connecting cam; 55. Articulated carrier rod; 56. Pushing carrier plate; 57. Moving carrier hole; 58. Installing carrier plate; 581. Assembling bearing hole; 582. Bearing; 59. Rotating column; 591. Rotating top wheel; 6. Protective cover plate; 61. Positioning ring strip; 62. Driving bar block; 63. Driving inclined plane. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only 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.

[0028] The present invention provides a technical solution: like Figure 1 and Figure 4As shown, a conveying device for a chain inspection production line includes a conveying carrier 1, a hollow conveying platform 11 is fixedly arranged on the conveying carrier 1, and conveying channels 14 are symmetrically opened at both ends of the hollow conveying platform 11. A conveying gear 12 is installed inside the hollow conveying platform 11, and the chain is conveyed by the conveying gear 12, and the conveying gear 12 is rotated by the motor under the prior art. A guide bearing mechanism is arranged at the front end of the hollow conveying platform 11, and a movable guide clamping assembly is installed on the guide bearing mechanism. During the chain conveying process, the movable guide clamping assembly guides the chain and can clamp the chain at the same time. A tensioning bearing assembly is arranged inside the hollow conveying platform 11, and a chain tensioning mechanism is installed on the tensioning bearing assembly. The chain tensioning mechanism realizes the tensioning of the chain during the chain conveying process and sleeves the chain on the conveying gear 12. A protective driving assembly is also arranged on the upper end of the hollow conveying platform, and the protective driving assembly drives the movable guide clamping assembly and the chain tensioning mechanism to move.

[0029] like Figure 6 and Figure 7 As shown, the guide bearing mechanism includes a supporting strip 15 and a matching bearing plate 19, a moving channel 16 is arranged on the supporting strip 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 supporting strip 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 supporting strip 15 at the lower side of 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 at the lower side of the bearing plate frame 17.

[0030] like Figure 2 , Figure 8 and Fig. 9 As shown, the movable guide clamping assembly includes a first movable carrier plate 2, a connecting rotating plate 3 and a second movable carrier plate 4, a first guide frame 22 is installed on the first movable carrier plate 2, a first guide wheel 23 is installed on the first guide frame 22, and a first movable plug rod 24 is also fixedly arranged on the first guide frame 22, first elastic strips 25 are arranged on the first guide frame 22 on both sides of the first movable plug rod 24, and the other end of the first elastic strip 25 is fixed on the first movable carrier plate 2, and in addition, a first movable socket 21 is opened on the first movable carrier plate 2, and the first movable socket 21 is plugged with the first movable plug rod 24.

[0031] like Figure 1 , Figure 2 and Figure 8As shown, an upper supporting plate 26 is fixedly provided on the upper end of the first movable supporting plate 2, and the upper supporting plate 26 is inserted in the movable channel 16. A movable matching hole 261 is opened on the upper supporting plate 26, and a movable supporting rod 161 is inserted in the movable matching hole 261. A first return spring 262 is sleeved on the movable supporting rod 161. A matching driving plate 27 is fixedly provided on the upper end of the upper supporting plate 26, and an extension bar 28 is fixedly provided on the matching driving plate 27, and an upper push block 29 is fixedly provided on the extension bar 28.

[0032] Two 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 .

[0033] like Figure 2 and Figure 8 As shown, the connecting rotating plate 3 is hinged on the bearing plate frame 17, and the lower end surface of the connecting rotating plate 3 is in contact with the upper push block 29. A connecting bar 31 is fixedly provided on the connecting rotating plate 3, and a connecting through hole 311 is provided at the lower end of the connecting bar 31. A connecting plate 32 is connected to the connecting through hole 311. The connecting plate 32 is sleeved on the matching bearing rod 18. A connecting bearing block 34 is fixedly provided on the connecting plate 32, and a connecting bearing rod 35 is fixedly provided on the connecting bearing block 34. The connecting bearing rod 35 is inserted in the connecting through hole 311. A matching connecting hole 33 is provided on the connecting plate 32, and the matching connecting hole 33 matches with the matching bearing rod 18.

[0034] like Figure 2 and Fig. 9 As shown, a driving hinge 36 is hinged on the connecting plate 32, and the upper end of the driving hinge 36 is hinged to the second movable supporting plate 4, a second guide frame 42 is installed on the second movable supporting plate 4, a second guide frame 42 is installed on the second guide frame 42, a second guide wheel 43 is installed on the second guide frame 42, a second movable plug rod 44 is fixedly arranged on the second guide frame 42, and second elastic strips 45 are arranged on the second guide frames 42 on both sides of the second movable plug rod 44, and the other end of the second elastic strip 45 is fixed on the second guide frame 42, and a mounting support rod 46 is also fixedly arranged on the lower end of the second movable supporting plate 4, and the mounting support rod 46 is inserted in the movable matching hole 191, and a second movable socket 41 is opened on the second movable supporting plate 4, and the second movable socket 41 cooperates with the second movable plug rod 44.

[0035] like Figure 7 As shown, the tension bearing assembly is a matching inner support bar 13 , on which a movable channel 131 is provided, in which a supporting rod 132 is fixedly provided, and a limiting through hole 133 is provided at one end of the matching inner support bar 13 .

[0036] like 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.

[0037] like Figure 3 , Figure 7 and Fig.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.

[0038] A chain conveying method comprises the following steps: 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; 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; 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; Step 4: Chain conveying: The conveying gear 12 rotates to drive the chain to move, thereby realizing chain conveying.

[0039] When the chain is conveyed, it is inserted into the conveying channel 14 at the front end of the hollow conveying platform 11 and passes through the conveying channel 14 at the end of the hollow conveying platform 11, and then the protective cover plate 6 can be covered on the hollow conveying platform 11. When the protective cover plate 6 moves downward, the driving inclined surface 63 will contact the matching driving plate 27, so that under the action of the driving inclined surface 63, the matching driving plate 27 will be pushed to move, and at the same time, it will also drive the upper push block 29 to move. As the upper push 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 limit stopper 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, the second movable carrying plate 4 will be pushed to move in the direction of the conveying channel 14 under the action of the driving hinge 36, so that the first movable carrying plate 4 The movable carrier plate 2 and the second movable carrier plate 4 move toward each other so that the first guide wheel 23 and the second guide wheel 43 are in contact with the chain, which guides the chain. At the same time, the first elastic strip 25 and the second elastic strip 45 are in a compressed state, which can have a certain clamping effect on the chain. As the protective cover plate 6 moves downward further, it will push the movable carrier plate 5 to move downward. As the movable carrier plate 5 moves downward, the push-up carrier plate 56 will be pushed to move in the direction of the chain under the action of the hinged carrier rod 55. In this way, under the action of the rotating top wheel 591, the chain will be pushed to move and be in a tensioned state. At the same time, the chain will also be pushed to be sleeved on the conveying gear 12 to cooperate with it. The conveying gear 12 rotates to drive the chain for conveying. During the conveying process, the chain is in a certain tensioned state to ensure its smooth conveying, and there is no need to manually sleeve the chain on the conveying gear 12, which is very convenient.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that 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 carrier, characterized in that: A hollow conveying platform is fixedly arranged on the conveying carrier, and conveying channels are symmetrically opened at both ends of the hollow conveying platform; A conveying gear is installed inside the hollow conveyor table, and the chain is conveyed through the conveying gear; A guide bearing mechanism is provided at the front end of the hollow conveying platform, and a movable guide clamping assembly is installed on the guide bearing mechanism. During the chain conveying process, the movable guide clamping assembly guides the chain and can clamp the chain at the same time; A tension bearing assembly is arranged inside the hollow conveying platform, and a chain tensioning mechanism is installed on the tension bearing assembly. The chain tensioning mechanism realizes the tensioning of the chain during the chain conveying process and sleeves the chain on the conveying gear; A protection drive assembly is also provided at the upper end of the hollow conveying platform, and the protection drive assembly drives the movable guide clamping assembly and the chain tensioning mechanism to move.

2. A conveying device for a chain inspection production line according to claim 1, characterized in that: The guide bearing mechanism comprises a supporting strip plate and a matching bearing plate, the supporting strip plate is provided with a moving channel, and a moving bearing rod is fixedly provided in the moving channel; A bearing plate frame is fixedly arranged at one end of the supporting strip plate, and a limit stopper is fixedly arranged at the upper end of the bearing plate frame.

3. A conveying device for a chain inspection production line according to claim 2, characterized in that: A matching carrying rod is fixedly arranged on the supporting strip plate at the lower side of the carrying plate frame; A matching bearing plate is also fixedly arranged at the front end of the hollow conveying platform, and a movable 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. A conveying device for a chain inspection production line according to claim 3, characterized in that: The movable guide clamping assembly comprises a first movable bearing plate, a connecting rotating plate and a second movable bearing plate, wherein a first guide frame is mounted on the first movable bearing plate; The first guide frame is provided with a first guide wheel, and a first movable rod is fixedly arranged on the first guide frame. First elastic strips are arranged on the first guide frame on both sides of the first movable rod, and the other end of the first elastic strip is fixed on the first movable supporting plate.

5. A conveying device for a chain inspection production line according to claim 4, characterized in that: An upper bearing plate is fixedly provided on the upper end of the first movable carrying plate, and the upper bearing plate is inserted into the movable channel; A movable matching hole is provided on the upper bearing plate, a movable bearing rod is inserted into the movable matching hole, and a first return spring is sleeved on the movable bearing rod; A matching driving plate is fixedly arranged on the upper end of the upper supporting plate, an extending bar is fixedly arranged on the matching driving plate, and an upper pushing block is fixedly arranged on the extending bar.

6. A 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 push block; A connecting bar is fixedly arranged on the connecting rotating plate, a connecting through hole is opened at the lower end of the connecting bar, and a connecting plate is connected to the connecting through hole; The connecting plate is sleeved on the matching carrying rod, a connecting carrying block is fixedly arranged on the connecting plate, a connecting bearing rod is fixedly arranged on the connecting bearing block, and the connecting bearing rod is inserted in the connecting through hole.

7. A conveying device for a chain inspection production line according to claim 6, characterized in that: A driving hinge is hinged on the connecting plate, a second movable bearing plate is hinged on the upper end of the driving hinge, a second guide frame is mounted on the second movable bearing plate, and a second guide wheel is mounted on the second guide frame; A second movable rod is fixedly arranged on the second guide frame, and second elastic strips are arranged on the second guide frames on both sides of the second movable rod, and the other end of the second elastic strip is fixed on the second guide frame; A mounting support rod is also fixedly provided at the lower end of the second movable bearing plate, and the mounting support rod is inserted into the movable matching hole.

8. A conveying device for a chain inspection production line according to claim 7, characterized in that: The tension bearing assembly is a matching inner support bar, a movable channel is arranged on the matching inner support bar, a supporting bearing rod is fixedly arranged in the movable channel, and a limited position through hole is arranged at one end of the matching inner support bar; The connecting strip tensioning mechanism comprises a movable carrier plate and a push-up carrier plate, a connecting carrier rod is fixedly arranged on the movable carrier plate, the connecting carrier rod is inserted into the limiting through hole, and a connecting bottom block is fixedly arranged at the lower end of the connecting carrier rod.

9. A conveying device for a chain inspection production line according to claim 8, 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 a push-up carrier plate is hinged on the lower end of the hinged carrier rod.

10. A conveying device for a chain inspection production line according to claim 9, characterized in that: The push-up carrier plate is sleeved on the supporting carrier rod, a mounting support plate is fixedly arranged on the push-up carrier plate, and a bearing is installed on the mounting support plate; The bearing is matched with a rotating column, and a rotating top wheel is fixedly arranged at the lower end of the rotating column; The hollow conveying platform is provided with a lower inserting ring groove, the protective driving component is a protective cover plate, and a positioning ring strip is fixedly provided at the lower end of the protective cover plate, and the positioning ring strip is inserted in the lower inserting ring groove; A driving bar is fixedly arranged at one end of the protective cover plate, and a driving inclined surface is arranged at the lower side of the driving bar.

11. A chain conveying method, characterized in that: The conveying method is applicable to the conveying device for the chain inspection production line according to any one of claims 1 to 10, comprising the following steps: Step 1: Chain threading: Insert the chain from the conveying channel at the front end of the hollow conveyor into the hollow conveyor, and then pass it out from the conveying channel at the end; Step 2: Guide and clamp the chain: Cover the protective cover plate on the hollow conveyor table, move the first guide wheel and the second guide wheel towards each other, and guide and clamp the chain; Step 3: Chain tensioning: Turn the top wheel to push the chain to move so that it is tensioned and fits on the conveying gear; Step 4: Chain conveying: The conveying gear rotates to drive the chain to move, realizing chain conveying.

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