Transfer conveying frame and automobile bottom plate transfer conveying frame

Abstract

The utility model provides a transfer conveying frame and an automobile floor transfer conveying frame, the transfer conveying frame comprises a vertical linkage frame and a horizontal frame horizontally connected to the side part of the linkage frame; the two pairs of roller supporting plates are arranged on the top of the horizontal frame in parallel. A plurality of supporting rollers are horizontally and rotationally arranged between each pair of roller supporting plates, and power discs are arranged on the outer walls of the supporting rollers; each supporting roller is rotationally provided with one supporting rubber wheel, the tops of the supporting rubber wheels are higher than the tops of the roller supporting plates, one sides of the supporting rubber wheels are attached to the power disc, and set pressure exists between the supporting rubber wheels and the power disc; the elastic piece is continuously in a compressed state, and one end of the elastic piece applies acting force to the supporting rubber wheel in the direction close to the power disc. The driving mechanism is used for driving the supporting rollers to rotate. The transfer conveying frame provided by the utility model is better in use effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile bottom plate production, and relates to a transfer conveying rack and an automobile bottom plate transfer transmission rack. Background Art

[0002] The automobile chassis consists of many parts, mainly two bottom plates and many parts welded on the two bottom plates. In the production process of the automobile chassis, since many parts need to be welded on the bottom plate, it is usually necessary to move the bottom plate to various welding stations, and each time it moves to a designated position, corresponding welding will be performed.

[0003] At present, the structure for moving the base plate between various welding stations on the market mainly includes a transfer conveyor frame that can be raised and lowered and a horizontal conveyor frame located at a higher position (the bottom of the horizontal conveyor frame has a support frame to support it); at the same time, each base plate is placed on a placement rack, and the placement rack can be moved from the transfer conveyor frame to the horizontal conveyor frame, and from the horizontal conveyor frame to the transfer conveyor frame. In this way, when the base plate is moved from one workstation to another, a robot is first used to place the base plate on a placement rack, and then the placement rack is moved to a transfer conveyor rack; then the transfer conveyor rack is raised (usually a motor, sprocket and chain are used to raise the transfer conveyor rack), and when the transfer conveyor rack is raised to the highest height, the motor on the transfer conveyor rack drives the placement rack to the horizontal conveyor rack, and then the rubber rollers on the horizontal conveyor rack can support and drive the placement rack to move, thereby transporting the placement rack to the end, and transitioning from the horizontal conveyor rack to the transfer conveyor rack at the highest height at the end, and then the transfer conveyor rack is lowered to the lowest height, and the placement rack is driven to the outside by the transfer conveyor rack, and finally the base plate is grabbed by the robot and placed on the next workstation for welding, and the continuous movement is carried out in this way, so that different parts are welded on the base plate.

[0004] However, it is found in actual use that the bottom of the display rack is supported and transported by the rubber rollers on the transfer conveyor rack. Since the mass and volume of the bottom plate are large, when the display rack is driven forward by the transfer conveyor rack, it is easy to cause the bottom plate and the display rack to move or shake relative to each other. Therefore, in order to improve the transmission stability, it is usually necessary to fix the display racks to each other through a certain structure, or use a corresponding structure to limit the bottom plate. Although the former method can improve the transmission stability at a lower cost, it is less efficient and the operation is more cumbersome. The latter method requires the configuration of a relatively high-quality display rack (for example, a self-locking function or an electrically driven limit clamp), which results in a higher cost for the transfer bottom plate and poor use effect. Utility Model Content

[0005] The utility model aims to provide a transfer conveying rack and a car bottom plate transfer transmission rack, aiming to solve the problem of poor use effect.

[0006] In order to solve the above technical problems, the utility model provides a transfer conveyor frame, comprising:

[0007] A vertical linkage frame and a horizontal frame horizontally connected to the side of the linkage frame;

[0008] Roller support plates, two pairs of which are arranged in parallel on the top of the horizontal frame;

[0009] Support rollers, a plurality of support rollers are horizontally rotatably arranged between each pair of roller support plates, and a power disk is arranged on the outer wall of the support roller;

[0010] A supporting rubber wheel, each of the supporting rollers is rotatably provided with a supporting rubber wheel, and the top of the supporting rubber wheel is higher than the top of the roller support plate, one side of the supporting rubber wheel is attached to the power disk, and there is a set pressure between the supporting rubber wheel and the power disk;

[0011] An elastic member, wherein the elastic member is continuously in a compressed state, and one end of the elastic member applies a force to the supporting rubber wheel in a direction close to the power disk;

[0012] A driving mechanism is used to drive the supporting roller to rotate.

[0013] The utility model is further configured that the supporting rubber wheel includes a first rubber wheel portion and a second rubber wheel portion, a supporting bearing is arranged between the inner wall of the first rubber wheel portion and the outer wall of the supporting roller, the inner ring of the supporting bearing can slide relative to the supporting roller, and an action ring is arranged on the inner wall of the first rubber wheel portion, and the action ring is attached to the power disc;

[0014] A cylindrical receiving groove is formed at one end of the first rubber wheel portion away from the action circle, the outer wall of the second rubber wheel portion is fitted to the inner wall of the receiving groove, the first rubber wheel portion and the second rubber wheel portion are detachably connected, the second rubber wheel portion is cylindrical, and a linkage ring is provided on the inner wall of the second rubber wheel portion, and the linkage ring is located between the elastic member and the support bearing.

[0015] The utility model is further configured that a transmission ring is movably sleeved on the support roller, and a plurality of rotating balls are rotatably arranged on one side of the transmission ring close to the linkage ring, and the rotating balls movably contact with the linkage ring.

[0016] The utility model is further configured that a stabilizing groove is provided on one side of the linkage ring close to the rotating ball, the longitudinal section of the stabilizing groove is in an arc shape, and the outer sides of the rotating balls are all in contact with the inner wall of the stabilizing groove.

[0017] The utility model is further configured such that a plurality of extension pieces are provided at the outer end of the second rubber wheel portion, and a connecting bolt is movably provided on each of the extension pieces, and the connecting bolts are connected to the end of the first rubber wheel portion.

[0018] The utility model is further configured such that a termination groove is provided at the outer end of the first rubber wheel portion, a termination ring matching the termination groove is provided at the outer end of the second rubber wheel portion, and detection holes are provided at the outer ends of the first rubber wheel portion and the second rubber wheel portion.

[0019] The utility model is further configured such that a synchronization groove is provided on the outer wall of the support roller, the length direction of the synchronization groove is in the same direction as the length direction of the support roller, and a first synchronization part is provided on the inner wall of the transmission ring, and the first synchronization part is movably fitted to the inner wall of the synchronization groove.

[0020] The utility model is further configured as follows: an adjusting disk is movably sleeved on the supporting roller, a second synchronizing portion is provided on the inner wall of the adjusting disk, the second synchronizing portion is movably fitted to the inner wall of the synchronizing groove, the second synchronizing portion abuts against the outer side of the free end of the elastic member, an adjusting nut is threadedly provided on the supporting roller, and the adjusting nut abuts against the outer side of the adjusting disk.

[0021] The utility model is further configured that the driving mechanism includes a driving motor and a synchronization rod horizontally arranged on the side of the horizontal frame, the synchronization rod is rotationally connected to the horizontal frame, and one end of the synchronization rod is connected to the driving motor, and two active sprockets are arranged on the synchronization rod;

[0022] Two passive sprockets are arranged on each of the support rollers, a driving chain is arranged between the passive sprocket located at the end and the driving sprocket, and a passive chain is arranged between two passive sprockets on adjacent support rollers, and the driving sprocket, the driving chain, the passive sprocket and the passive chain can drive all the support rollers to rotate synchronously in the same direction;

[0023] Two limit plates are arranged in parallel on the top of the horizontal frame, and the two limit plates are located between the two groups of roller support plates. Positioning pins are also vertically arranged on the horizontal frame, and a lifting cylinder for lifting the positioning pins is arranged on the horizontal frame.

[0024] The utility model also discloses a transfer transmission rack for a vehicle bottom plate, comprising a transfer transmission rack as described in any one of the above items.

[0025] Compared with the prior art, the utility model provides a transfer conveyor rack. When conveying the bottom plate, first, the robot grabs the bottom plate onto the placement rack (fixed or not according to actual conditions), and the bottom of the placement rack is supported by the top of the supporting rubber wheel; then the placement rack is moved to the horizontal rack, and when the placement rack is in a suitable position, the linkage rack is raised to a specified height, and the driving mechanism drives the supporting roller to rotate. After the supporting roller drives the power disk to rotate, the friction between the power disk and the supporting rubber wheel drives the supporting rubber wheel to rotate, thereby conveying it to the downstream horizontal conveyor rack through the supporting rubber wheel.

[0026] When the support roller is rotated by external power, it rotates directly and synchronously with the power disc. However, if the placement rack is in a stationary state or a slow speed at this time, it is easy to cause relative rotation between the power disc and the supporting rubber wheel. In this way, the force can be gradually applied to the supporting rubber wheel, and the placement rack can be slowly started or accelerated. In this way, the speed of the placement rack is slowly accelerated, which prevents relative sliding or movement between the bottom plate and the placement rack due to excessive acceleration, thereby ensuring the position stability of the bottom plate. In this way, when the bottom plate is placed on the placement rack, no additional fixation is required, or only simple fixation is required. Compared with tight fixation, the operation is simpler and more convenient at this time. Compared with equipment specially used to fix the bottom plate, the requirements for the equipment are also lower at this time, so the overall use effect is better.

[0027] It should also be understood that the present application is preferably applicable to the transfer in the production process of automobile floor panels, but can also be applied to other structures used for transfer according to actual conditions. The structure for lifting the linkage frame and the specific structure of the placement frame are not structures claimed for protection in the present application, and no excessive restrictions are made here. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural schematic diagram of an embodiment of a transfer conveyor rack of the utility model;

[0029] Figure 2 yes Figure 1 A magnified view of part A;

[0030] Figure 3 yes Figure 1 A magnified view of part B;

[0031] Figure 4 It is a schematic diagram of an embodiment of a support roller part in a transfer conveyor frame of the utility model;

[0032] Figure 5 It is a cross-sectional view of an embodiment of a support roller part in a transfer conveyor frame of the utility model;

[0033] Figure 6The utility model is an explosion-proof embodiment of a supporting roller part of a transfer conveyor frame Figure 1 ;

[0034] Figure 7 The utility model is an explosion-proof embodiment of a supporting roller part of a transfer conveyor frame Figure 2 .

[0035] Among them, 1. linkage frame; 2. horizontal frame; 3. roller support plate; 4. support roller; 5. power disk; 6. support rubber wheel; 6a. first rubber wheel part; 6b. second rubber wheel part; 7. elastic member; 8. support bearing; 9. action circle; 10. linkage circle; 11. transmission circle; 12. rotating ball; 13. stabilizing groove; 14. extension member; 15. connecting bolt; 16. termination groove; 17. termination circle; 18. detection hole; 19. synchronization groove; 20. first synchronization part; 21. adjustment disk; 22. second synchronization part; 23. adjustment nut; 24. driving motor; 25. synchronization rod; 26. active sprocket; 27. passive sprocket; 28. active chain; 29. ​​passive chain; 30. limit plate; 31. positioning pin. DETAILED DESCRIPTION

[0036] The following is a further detailed description of a transfer conveyor rack and a car floor transfer transmission rack proposed by the utility model in combination with the accompanying drawings and specific embodiments. According to the following description, the advantages and features of the utility model will be clearer. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the utility model. The same or similar figure numbers in the drawings represent the same or similar parts.

[0037] A transfer conveyor rack, such as Figures 1 to 7 As shown, including:

[0038] A vertical linkage frame 1 and a horizontal frame 2 horizontally connected to the side of the linkage frame 1;

[0039] Roller support plates 3, two pairs of roller support plates 3 are arranged in parallel on the top of the horizontal frame 2;

[0040] Support rollers 4, a plurality of support rollers 4 are horizontally rotatably arranged between each pair of roller support plates 3, and a power disk 5 is arranged on the outer wall of the support rollers 4;

[0041] A supporting rubber wheel 6 is rotatably provided on each of the supporting rollers 4, and the top of the supporting rubber wheel 6 is higher than the top of the roller support plate 3, one side of the supporting rubber wheel 6 is attached to the power disk 5, and there is a set pressure between the supporting rubber wheel 6 and the power disk 5;

[0042] An elastic member 7, wherein the elastic member 7 is continuously in a compressed state, and one end of the elastic member 7 applies a force to the supporting rubber wheel 6 in a direction close to the power disk 5;

[0043] A driving mechanism, wherein the driving mechanism is used to drive the supporting roller 4 to rotate.

[0044] The supporting rubber wheel 6 includes a first rubber wheel portion 6a and a second rubber wheel portion 6b. A supporting bearing 8 is provided between the inner wall of the first rubber wheel portion 6a and the outer wall of the supporting roller 4. The inner ring of the supporting bearing 8 can slide relative to the supporting roller 4. An action ring 9 is provided on the inner wall of the first rubber wheel portion 6a. The action ring 9 is attached to the power disc 5.

[0045] A cylindrical accommodating groove is formed at one end of the first rubber wheel portion 6a away from the action circle 9, and the outer wall of the second rubber wheel portion 6b is fitted to the inner wall of the accommodating groove. The first rubber wheel portion 6a and the second rubber wheel portion 6b are detachably connected, and the second rubber wheel portion 6b is cylindrical. A linkage ring 10 is provided on the inner wall of the second rubber wheel portion 6b, and the linkage ring 10 is located between the elastic member 7 and the support bearing 8.

[0046] A transmission ring 11 is movably sleeved on the support roller 4 . A plurality of rotating balls 12 are rotatably arranged on one side of the transmission ring 11 close to the linkage ring 10 . The rotating balls 12 movably contact with the linkage ring 10 .

[0047] A stabilizing groove 13 is formed on one side of the linkage ring 10 close to the rotating ball 12 . The longitudinal section of the stabilizing groove 13 is in an arc shape. The outer sides of the rotating ball 12 are all in contact with the inner wall of the stabilizing groove 13 .

[0048] A plurality of extension pieces 14 are disposed at the outer end of the second rubber wheel portion 6 b , and a connecting bolt 15 is movably disposed on each of the extension pieces 14 , and the connecting bolts 15 are connected to the end of the first rubber wheel portion 6 a .

[0049] The outer end of the first rubber wheel portion 6a is provided with a termination groove 16, the outer end of the second rubber wheel portion 6b is provided with a termination ring 17 matched with the termination groove 16, and the outer ends of the first rubber wheel portion 6a and the second rubber wheel portion 6b are both provided with detection holes 18.

[0050] A synchronization groove 19 is provided on the outer wall of the support roller 4 , and the length direction of the synchronization groove 19 is in the same direction as the length direction of the support roller 4 . A first synchronization part 20 is provided on the inner wall of the transmission ring 11 , and the first synchronization part 20 is movably fitted to the inner wall of the synchronization groove 19 .

[0051] An adjusting disk 21 is movably sleeved on the supporting roller 4, and a second synchronizing portion 22 is provided on the inner wall of the adjusting disk 21. The second synchronizing portion 22 movably fits the inner wall of the synchronizing groove 19, and the second synchronizing portion 22 abuts against the outer side of the free end of the elastic member 7. An adjusting nut 23 is threadedly provided on the supporting roller 4, and the adjusting nut 23 abuts against the outer side of the adjusting disk 21.

[0052] The driving mechanism includes a driving motor 24 and a synchronization rod 25 horizontally arranged at the side of the horizontal frame 2, the synchronization rod 25 is rotatably connected to the horizontal frame 2, and one end of the synchronization rod 25 is connected to the driving motor 24, and two driving sprockets 26 are arranged on the synchronization rod 25;

[0053] Two passive sprockets 27 are arranged on each of the support rollers 4, a driving chain 28 is arranged between the passive sprocket 27 at the end and the active sprocket 26, and a passive chain 29 is arranged between two passive sprockets 27 on adjacent support rollers 4, and the active sprocket 26, the active chain 28, the passive sprocket 27 and the passive chain 29 can drive all the support rollers 4 to rotate synchronously in the same direction;

[0054] Two limit plates 30 are arranged in parallel on the top of the horizontal frame 2, and the two limit plates 30 are located between the two groups of roller support plates 3. A positioning pin 31 is also vertically arranged on the horizontal frame 2, and a lifting cylinder for lifting the positioning pin 31 is arranged on the horizontal frame 2.

[0055] The utility model also provides a transfer transmission rack for a vehicle bottom plate, comprising a transfer transmission rack as described in any one of the above items.

[0056] The utility model provides a transfer conveyor frame. When conveying a bottom plate, first, a robot grabs the bottom plate onto a placement frame (fixed or not fixed according to actual conditions). At this time, the bottom of the placement frame is supported by the top of the supporting rubber wheel 6; then the placement frame is moved to the horizontal frame 2, and when the placement frame is in a suitable position, the linkage frame 1 is raised to a specified height, and the driving mechanism drives the supporting roller 4 to rotate. After the supporting roller 4 drives the power disk 5 to rotate, the friction between the power disk 5 and the supporting rubber wheel 6 drives the supporting rubber wheel 6 to rotate, so that the bottom plate is conveyed to the downstream horizontal conveyor frame through the supporting rubber wheel 6.

[0057] When the supporting roller 4 is rotated by external power, it rotates directly and synchronously with the power disc 5. However, if the display rack is in a stationary state or a slow speed at this time, it is easy to cause relative rotation between the power disc 5 and the supporting rubber wheel 6, so that the force can be gradually applied to the supporting rubber wheel 6, and the display rack can be slowly started or accelerated. In this way, the speed of the display rack is slowly accelerated, which prevents relative sliding or movement between the bottom plate and the display rack due to excessive acceleration, thereby ensuring the position stability of the bottom plate; in this way, when the bottom plate is placed on the display rack, no additional fixation is required, or only simple fixation is required. Compared with tight fixation, the operation is simpler and more convenient at this time; compared with equipment specially used for fixing the bottom plate, the requirements for the equipment are also lower at this time, so the overall use effect is better.

[0058] It should also be understood that the present application is preferably applicable to the transfer in the production process of automobile floor panels, but can also be applied to other structures for transfer according to actual conditions. The structure for lifting the linkage frame 1 and the specific structure of the placement frame are not structures claimed for protection in the present application, and no excessive restrictions are made here.

[0059] In actual use, the bottom of the display rack also has a plurality of vertical rods, and the outer walls of the vertical rods are rotatably provided with a plurality of drag-reducing wheels; when the display rack is moved onto the horizontal rack 2, the drag-reducing wheels are all inserted between the two limit plates 30, and at the same time, the bottom of the display rack is supported by a plurality of supporting rubber wheels 6, so that the position of the display rack can be kept stable; when the display rack is in a suitable position, the driving cylinder (preferably an air cylinder) raises the positioning pin 31, and the positioning pin 31 is inserted into the pre-opened hole on the display rack, thereby fully fixing the display rack, so that the display rack can be stably raised or lowered along with the horizontal rack 2.

[0060] When the placement rack is in a suitable position, the positioning pin 31 is lowered, and the driving motor 24 drives the synchronization rod 25 to rotate. The synchronization rod 25 drives the two passive sprockets 27 located at the edge to rotate through two active sprockets 26 and two active chains 28. At the same time, adjacent passive sprockets 27 are rotated through passive chains 29, so that all the support rollers 4 can be driven to rotate simultaneously and synchronously.

[0061] When the support roller 4 and the power disk 5 rotate, the transmission ring 11 and the adjustment disk 21 are also driven to rotate through the synchronization groove 19. At the same time, the elastic member 7 located between the transmission ring 11 and the adjustment disk 21 is also driven, which can better prevent the elastic member 7 from deforming, etc., so that it can continue to generate thrust to the support rubber wheel 6.

[0062] The inner side of the first rubber wheel portion 6a is supported on the outer wall of the support roller 4 through the support bearing 8, and the linkage ring 10 on the inner side of the second rubber wheel portion 6b is also supported on the support roller 4 through the stabilizing groove 13, the rotating balls 12 and the transmission ring 11, so that the position stability of the entire support rubber wheel 6 can be stably maintained. In another embodiment, the outer edge of the transmission ring 11 is also rotatably provided with rotating balls 12, and this part of the rotating balls 12 is movably against the inner cavity of the second rubber wheel portion 6b, so that the position stability of the support rubber wheel 6 can be further improved.

[0063] During use, if the rack is in the initial start-up or acceleration process, even if the support rubber wheel 6 rotates relative to the transmission ring 11, due to the existence of the rotating ball 12, there can be a small force between the transmission ring 11 and the second rubber wheel part 6b. During assembly, first connect the support bearing 8 to the first rubber wheel part 6a, then sleeve the support bearing 8 and the first rubber wheel part 6a onto the support roller 4, wait until the power disc 5 hits the action ring 9, and then sleeve the second rubber wheel part 6b onto the support roller 4 until the end ring 17 fits into the end groove 16, and finally pass the connecting bolt 15 through the extension member 14 and threadedly connect it to the first rubber wheel part 6a, so that the support roller 4 and the support rubber wheel 6 can be assembled. At the same time, the free end of the extension member 14 does not extend out of the outside of the first rubber wheel part 6a, so that the extension member 14 can be prevented from acting on the rack. The first rubber wheel portion 6a and the second rubber wheel portion 6b are not only connected by the extension piece 14, but also the end ring 17 directly contacts the inner wall of the end groove 16, so that when the transmission ring 11 is subjected to pressure, the stress of the extension piece 14 can be reduced well.

[0064] Then the worker puts the transmission ring 11 with the rotating ball 12, the elastic member 7 and the adjusting disk 21 onto the supporting roller 4, and finally screws the adjusting nut 23 onto the supporting roller 4, and drives the adjusting disk 21 to move through the adjusting nut 23, thereby compressing the elastic member 7. The elastic force of the elastic member 7 required by different parts is different, and at this time, the elastic force of the elastic member 7 can be adjusted by rotating the adjusting nut 23, which has a wider application range.

[0065] When detecting whether the sliding friction between the supporting rubber wheel 6 and the power disk 5 is appropriate, an F-shaped tool can be used for detection; first, the two protruding ends of the detection tool are inserted into the corresponding two detection holes 18 of the first rubber wheel part 6a and the second rubber wheel part 6b, and then the detection tool is rotated, and the rotation effect is checked by manual feeling or using other tools to determine whether the sliding friction between the power disk 5 and the action circle 9 is appropriate at this time.

[0066] The above description is only a description of the preferred embodiment of the utility model, and is not any limitation on the scope of the utility model. Any changes and modifications made by ordinary technicians in the field of the utility model based on the above disclosure shall fall within the scope of protection of the claims.

Claims

1. A transfer conveyor rack, characterized in that: include: A vertical linkage frame (1) and a horizontal frame (2) horizontally connected to the side of the linkage frame (1); Roller support plates (3), two pairs of roller support plates (3) are arranged in parallel on the top of the horizontal frame (2); Support rollers (4), a plurality of support rollers (4) are horizontally rotatably arranged between each pair of roller support plates (3), and a power disk (5) is arranged on the outer wall of the support rollers (4); A supporting rubber wheel (6), each supporting roller (4) is rotatably provided with a supporting rubber wheel (6), and the top of the supporting rubber wheel (6) is higher than the top of the roller support plate (3), one side of the supporting rubber wheel (6) is in contact with the power disk (5), and there is a set pressure between the supporting rubber wheel (6) and the power disk (5); An elastic member (7), wherein the elastic member (7) is continuously in a compressed state, and one end of the elastic member (7) applies a force to the supporting rubber wheel (6) in a direction close to the power disk (5); A driving mechanism, wherein the driving mechanism is used to drive the supporting roller (4) to rotate.

2. A transfer conveyor according to claim 1, characterized in that: The supporting rubber wheel (6) comprises a first rubber wheel portion (6a) and a second rubber wheel portion (6b); a supporting bearing (8) is arranged between the inner wall of the first rubber wheel portion (6a) and the outer wall of the supporting roller (4); the inner ring of the supporting bearing (8) can slide relative to the supporting roller (4); an action ring (9) is arranged on the inner wall of the first rubber wheel portion (6a); the action ring (9) is in contact with the power disk (5); A cylindrical receiving groove is provided at one end of the first rubber wheel portion (6a) away from the action ring (9); the outer wall of the second rubber wheel portion (6b) is in contact with the inner wall of the receiving groove; the first rubber wheel portion (6a) and the second rubber wheel portion (6b) are detachably connected; the second rubber wheel portion (6b) is cylindrical; a linkage ring (10) is provided on the inner wall of the second rubber wheel portion (6b); and the linkage ring (10) is located between the elastic member (7) and the support bearing (8).

3. A transfer conveyor rack according to claim 2, characterized in that: A transmission ring (11) is movably sleeved on the support roller (4), and a plurality of rotating balls (12) are rotatably arranged on a side of the transmission ring (11) close to the linkage ring (10), and the rotating balls (12) movably contact the linkage ring (10).

4. A transfer conveyor rack according to claim 3, characterized in that: A stabilizing groove (13) is provided on one side of the linkage ring (10) close to the rotating ball (12); the longitudinal section of the stabilizing groove (13) is in an arc shape, and the outer sides of the rotating balls (12) are in contact with the inner wall of the stabilizing groove (13).

5. The transfer conveyor rack according to claim 2, characterized in that: The outer end of the second rubber wheel portion (6b) is provided with a plurality of extension pieces (14), each of the extension pieces (14) is provided with a connecting bolt (15) movably passing therethrough, and the connecting bolts (15) are connected to the end of the first rubber wheel portion (6a).

6. The transfer conveyor rack according to claim 5, characterized in that: The outer end of the first rubber wheel portion (6a) is provided with a termination groove (16), the outer end of the second rubber wheel portion (6b) is provided with a termination ring (17) matched with the termination groove (16), and the outer ends of the first rubber wheel portion (6a) and the second rubber wheel portion (6b) are both provided with detection holes (18).

7. The transfer conveyor rack according to claim 3, characterized in that: A synchronization groove (19) is provided on the outer wall of the support roller (4), and the length direction of the synchronization groove (19) is in the same direction as the length direction of the support roller (4). A first synchronization part (20) is provided on the inner wall of the transmission ring (11), and the first synchronization part (20) is movably fitted to the inner wall of the synchronization groove (19).

8. The transfer conveyor rack according to claim 7, characterized in that: An adjusting disk (21) is movably sleeved on the supporting roller (4), a second synchronizing portion (22) is provided on the inner wall of the adjusting disk (21), the second synchronizing portion (22) is movably fitted to the inner wall of the synchronizing groove (19), the second synchronizing portion (22) abuts against the outer side of the free end of the elastic member (7), an adjusting nut (23) is threadedly provided on the supporting roller (4), the adjusting nut (23) abuts against the outer side of the adjusting disk (21).

9. The transfer conveyor rack according to claim 1, characterized in that: The driving mechanism comprises a driving motor (24) and a synchronization rod (25) which are horizontally arranged on the side of the horizontal frame (2); the synchronization rod (25) is rotationally connected to the horizontal frame (2), and one end of the synchronization rod (25) is connected to the driving motor (24); and two driving sprockets (26) are arranged on the synchronization rod (25); Two passive sprockets (27) are arranged on each of the support rollers (4); a driving chain (28) is arranged between one of the passive sprockets (27) located at the end and the active sprocket (26); a passive chain (29) is arranged between two of the passive sprockets (27) on adjacent support rollers (4); the active sprocket (26), the active chain (28), the passive sprocket (27) and the passive chain (29) can drive all of the support rollers (4) to rotate synchronously in the same direction; Two limit plates (30) are arranged in parallel on the top of the horizontal frame (2), and the two limit plates (30) are located between the two groups of roller support plates (3). A positioning pin (31) is also vertically arranged on the horizontal frame (2), and a lifting cylinder for lifting the positioning pin (31) is arranged on the horizontal frame (2).

10. An automobile floor transfer rack, characterized in that: It comprises a transfer conveyor rack as described in any one of claims 1-9.

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