Transfer material rack for transferring front-end frame of automobile

Abstract

The utility model relates to the technical field of transfer racks, in particular to a transfer rack for transferring an automobile front end frame. According to the technical scheme, the device comprises a frame body, a sliding groove is formed in the inner wall of the left side of the frame body, a first rotating motor is arranged on the rear side of the frame body, a first one-way screw is arranged at the output end of the first rotating motor, and the front end of the first one-way screw penetrates and extends into the sliding groove and is in threaded connection with a first threaded block. By arranging the first rotating motor and the first clamping plate, the automobile front-end frame can be transferred to the carrying plates of all heights, manual labor is reduced, meanwhile, the problem that the automobile front-end frame cannot be placed at a high position can be solved, adjustment can be conducted according to the automobile front-end frames of different thicknesses by arranging the fixing plate and the second clamping plate, and the practicability is high. The time for frequently replacing the equipment is shortened, the applicability and practicability of the equipment are improved, the equipment can be kept stable when the equipment needs to be stably placed by arranging the ground supports to the moving wheels, the equipment is convenient to move when the equipment needs to be moved, and the use convenience is improved.

Description

Technical Field

[0001] This utility model relates to the field of transfer rack technology, and in particular to a transfer rack for transferring automotive front-end frames. Background Technology

[0002] Automobile manufacturing is a complex process involving multiple production stages and workstations. The front-end frame of a car is usually manufactured on a dedicated production line. After completing a certain number of processes, it needs to be transferred to other workstations for further processing, such as welding, painting, and assembly. Through this transfer, the front-end frame can gradually complete its transformation from a component to a final product in different production stages, ensuring the smoothness and efficiency of the entire production process.

[0003] However, automotive front-end frames are usually heavy, and manual handling consumes a lot of manpower and increases production time and costs. In order to reduce the time and labor intensity of manual handling and further improve production efficiency, it is necessary to propose a transfer rack for automotive front-end frames. Utility Model Content

[0004] The purpose of this utility model is to address the problems existing in the background technology by proposing a transfer rack for transferring automotive front-end frames.

[0005] The technical solution of this utility model: A transfer rack for conveying the front frame of an automobile, comprising a frame body, a sliding groove formed on the inner left side of the frame body, a rotary motor 1 provided on the rear side of the frame body, a one-way screw 1 provided at the output end of the rotary motor 1, the front end of the one-way screw 1 extending through into the interior of the sliding groove and threadedly connected to a threaded block 1, an adjustment frame provided on the right side of the threaded block 1, a rotary motor 2 provided on the top surface of the adjustment frame, a one-way screw 2 provided at the output end of the rotary motor 2, the bottom end of the one-way screw 2 extending through into the interior of the adjustment frame and threadedly connected to a threaded block 2, a lifting platform provided on the right side of the threaded block 2, an installation groove formed on the top surface of the lifting platform, an electric guide rail provided inside the installation groove, a slide table slidably provided on the rear side of the electric guide rail, a push plate provided on the top surface of the slide table, and a receiving groove formed inside the push plate. A rotary motor three is provided on the front side of the push plate. The output end of the rotary motor three extends through the interior of the receiving groove one and is equipped with a gear one. Two racks one are slidably arranged on the front inner wall of the receiving groove one. Each rack one is equipped with a clamping plate one on its rear side. A fixing plate is provided on the right inner wall of the frame. A threaded post is provided between the inner bottom surface of the frame and the fixing plate. Multiple hollow motors are threadedly connected to the outer ring of the threaded post. A carrier plate is provided on the top surface of each hollow motor. The carrier plate is slidably connected to the threaded post. A vertical plate is provided on the top surface of the carrier plate. A receiving groove two is opened inside the vertical plate. A rotary motor four is provided on the rear side of the vertical plate. The output end of the rotary motor four extends through the interior of the receiving groove two and is equipped with a gear two. Two racks two are slidably arranged on the rear inner wall of the receiving groove two. Each rack two is equipped with a clamping plate two on its front side.

[0006] Preferably, the bottom surface of the frame is provided with multiple ground supports and two support plates. A rotary motor is located on the right side of the right support plate. The output end of the rotary motor extends through the space between the two support plates and is provided with a bidirectional screw. Both ends of the bidirectional screw are threadedly connected to threaded blocks. Each threaded block has a set of connecting rods rotatably arranged on both its front and rear sides. The two sets of connecting rods are symmetrically arranged in a figure-eight shape. The bottom end of the two sets of connecting rods is rotatably connected to the same movable plate. The bottom surface of the movable plate is provided with multiple moving wheels.

[0007] Preferably, each of the three threaded blocks has a trapezoidal block on its top surface, and the bottom surface of the frame has two trapezoidal grooves, with the trapezoidal block and the trapezoidal grooves being slidably connected.

[0008] Preferably, T-shaped blocks are provided on both the left and right sides of the movable plate, and T-shaped grooves are provided on the side of the two support plates that are close to each other, and the T-shaped blocks and T-shaped grooves are slidably connected.

[0009] Preferably, two guide grooves are provided on the left inner wall of the frame, each guide groove is provided with a guide rod, each guide rod has a guide block slidably provided at its front end, and the right side of each guide block is fixedly connected to the left side of the adjustment frame.

[0010] Preferably, the top surface of the lifting platform is provided with a limiting groove, the inside of the limiting groove is provided with a limiting rod, the front end of the limiting rod is slidably provided with a limiting block, and the top surface of the limiting block is fixedly connected to the bottom surface of the push plate.

[0011] Preferably, the gear one is meshed with the two racks one, the front inner wall of the receiving groove one has two trapezoidal grooves two, and each of the two racks one has a trapezoidal strip one on its front side, the trapezoidal strip one and the trapezoidal groove two are slidably connected.

[0012] Preferably, a set of guide rods is provided between the fixing plate and the inner bottom surface of the frame, and the guide rods are slidably connected to the carrier plate.

[0013] Preferably, the gear 2 is meshed with the two racks 2, and the rear inner wall of the receiving groove 2 is provided with two trapezoidal grooves 3. Each of the two racks 2 is provided with a trapezoidal strip 2 on its rear side, and the trapezoidal strip 2 is slidably connected to the trapezoidal groove 3.

[0014] Compared with the prior art, the present invention has the following beneficial technical effects:

[0015] This utility model can transfer the front frame of a car to a carrier plate at various heights by setting a rotary motor to a clamping plate, reducing manual labor and solving the problem of not being able to reach high places. By setting a fixing plate to a clamping plate, it can be adjusted according to the front frame of the car of different thicknesses, reducing the time of frequent equipment changes and improving the applicability and practicality of the equipment. By setting a ground support to a moving wheel, it can maintain stability when it needs to be placed stably, and can be moved easily when it needs to be moved, improving the convenience of use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the rear structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the bottom structure of this utility model;

[0019] Figure 4 This is a schematic diagram of a portion of the structure of this utility model;

[0020] Figure 5 This is a partial structural cross-sectional view of the lifting platform in this utility model;

[0021] Figure 6 This is a partial structural cross-sectional view of the carrier plate in this utility model;

[0022] Figure 7 This is a cross-sectional view of the vertical plate in this utility model.

[0023] Attached reference numerals: 1. Frame; 2. Rotary motor one; 3. One-way screw one; 4. Threaded block one; 5. Adjusting frame; 6. Rotary motor two; 7. One-way screw two; 8. Threaded block two; 9. Lifting platform; 10. Electric guide rail; 11. Slide table; 12. Push plate; 13. Rotary motor three; 14. Gear one; 15. Rack one; 16. Clamping plate one; 17. Fixing plate; 18. Threaded column; 19. Hollow motor; 20. Carrier plate; 21. Vertical plate; 2 2. Rotary motor four; 23. Gear two; 24. Rack two; 25. Clamping plate two; 26. Ground support; 27. Support plate; 28. Rotary motor five; 29. ​​Bidirectional screw; 30. Threaded block three; 31. Connecting rod; 32. Moving plate; 33. Moving wheel; 34. Trapezoidal block; 35. T-block; 36. Guide rod; 37. Guide block; 38. Limiting rod; 39. Limiting block; 40. Trapezoidal strip one; 41. Guide rod; 42. Trapezoidal strip two. Detailed Implementation

[0024] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0025] Example

[0026] like Figures 1 to 7 As shown, this utility model proposes a transfer rack for transferring automotive front-end frames, including a frame body 1. A sliding groove is provided on the left inner wall of the frame body 1. A rotary motor 2 is provided on the rear side of the frame body 1. The frame body 1 and the rotary motor 2 are fixedly connected. A one-way screw 3 is provided at the output end of the rotary motor 2. The output end of the rotary motor 2 is fixedly connected to the one-way screw 3. The front end of the one-way screw 3 extends through into the interior of the sliding groove and is threadedly connected to a threaded block 4. An adjustment frame 5 is provided on the right side of the threaded block 4. The threaded block 4 and the adjustment frame 5 are fixedly connected. Two guide grooves are provided on the left inner wall of the frame body 1. A guide rod 36 is provided inside each guide groove. The guide rod 36 is fixedly installed inside the guide groove. A guide block 37 is slidably provided at the front end of each guide rod 36. The right side of each guide block 37 is fixedly connected to the left side of the adjustment frame 5. The guide rod 36 can guide and limit the guide block 37, thereby guiding and limiting the running trajectory of the adjustment frame 5.

[0027] The output of rotary motor 2 drives one-way screw 3 to rotate. The rotation of one-way screw 3 drives threaded block 4 to move along one-way screw 3, thereby moving adjustment frame 5. Rotary motor 6 is provided on the top surface of adjustment frame 5. Adjustment frame 5 and rotary motor 6 are fixedly connected. One-way screw 7 is provided on the output end of rotary motor 6. The output end of rotary motor 6 and one-way screw 7 are fixedly connected. The bottom end of one-way screw 7 extends through into the interior of adjustment frame 5 and is threadedly connected to threaded block 8. Lifting platform 9 is provided on the right side of threaded block 8. The right side of threaded block 8 and the left side of lifting platform 9 are fixedly connected. The operation of rotary motor 26 drives one-way screw 7 to rotate. The rotation of one-way screw 7 drives threaded block 8 to move up and down along one-way screw 7, thereby moving the front frame of the car to various high positions.

[0028] The top surface of the lifting platform 9 has a mounting groove, inside which is installed an electric guide rail 10. The electric guide rail 10 is fixedly installed inside the mounting groove. A slide table 11 is slidably installed on the rear side of the electric guide rail 10. The electric guide rail 10 can drive the slide table 11 to move. A push plate 12 is provided on the top surface of the slide table 11, and the slide table 11 and the push plate 12 are fixedly connected. The top surface of the lifting platform 9 has a limit groove, inside which is installed a limit rod 38. The limit rod 38 is fixedly installed inside the limit groove, and the front end of the limit rod 38... A slidable limit block 39 is provided, and the top surface of the limit block 39 is fixedly connected to the bottom surface of the push plate 12. The limit block 39 can be guided and limited by the limit rod 38, thereby guiding and limiting the running trajectory of the push plate 12, so that the push plate 12 always keeps running in a straight line. The push plate 12 has an internal receiving groove. A rotary motor 13 is provided on the front side of the push plate 12. The push plate 12 and the rotary motor 13 are fixedly connected. The output end of the rotary motor 13 extends through into the interior of the receiving groove and is provided with a gear 14.

[0029] The output end of the rotary motor 313 is fixedly connected to the gear 14. Two racks 15 are slidably arranged on the front inner wall of the receiving groove 1. The gear 14 meshes with the two racks 15 for easy transmission. Two trapezoidal grooves 2 are formed on the front inner wall of the receiving groove 1. Trapezoidal bars 40 are provided on the front side of each rack 15. The rear sides of the racks 15 and trapezoidal bars 40 are fixedly connected, and the trapezoidal bars 40 are slidably connected to the trapezoidal grooves 2. The trapezoidal bars 40 can be moved through the trapezoidal grooves 2. The trajectory is guided and limited, thereby guiding and limiting the running trajectory of rack 15, so that rack 15 always maintains a straight running state. Each rack 15 is provided with a clamping plate 16 on its rear side. The rack 15 and the clamping plate 16 are fixedly connected. The rear side of the push plate 12 is provided with a movable groove corresponding to the position of each clamping plate 16. The clamping plate 16 is slidably connected to the movable groove to facilitate the movement of the clamping plate 16. The output end of the rotary motor 13 can drive gear 14 to rotate.

[0030] The rotation of gear 14 can drive two racks 15 to move closer or further away from each other, thereby driving two clamping plates 16 to move closer or further away from each other. A fixing plate 17 is provided on the inner right side of the frame 1. The fixing plate 17 is fixedly installed on the inner right side of the frame 1. A threaded post 18 is provided between the inner bottom surface of the frame 1 and the fixing plate 17. The threaded post 18 is fixedly installed between the fixing plate 17 and the frame 1. Multiple hollow motors 19 are connected to the outer ring of the threaded post 18. The rotation of the inner rotor of the hollow motor 19 can drive the hollow motor 19 to slide up and down along the threaded post 18. A carrier plate 20 is provided on the top surface of each hollow motor 19. The top surface of the hollow motor 19 is fixedly connected to the bottom surface of the carrier plate 20. The carrier plate 20 is slidably connected to the threaded post 18 to facilitate the up and down movement of the carrier plate 20. A set of guide rods 41 is provided between the fixing plate 17 and the inner bottom surface of the frame 1. The guide rods 41 are fixedly installed between the fixing plate 17 and the frame 1.

[0031] The guide rod 41 is slidably connected to the carrier plate 20, facilitating the guidance and limiting of the carrier plate 20's running trajectory. A vertical plate 21 is provided on the top surface of the carrier plate 20, and the top surface of the carrier plate 20 is fixedly connected to the bottom surface of the vertical plate 21. A receiving groove 2 is provided inside the vertical plate 21. A rotary motor 4 22 is provided on the rear side of the vertical plate 21, and the rear side of the vertical plate 21 is fixedly connected to the front side of the rotary motor 4 22. The output end of the rotary motor 4 22 extends through into the receiving groove 2 and is equipped with a gear 23. The output end of the rotary motor 4 22 is rotatably connected to the vertical plate 21. Two racks 24 are slidably arranged on the rear inner wall of the receiving groove 2, which is fixedly connected to the gear 23. The gear 23 meshes with the two racks 24 to facilitate transmission. Two trapezoidal grooves 3 are opened on the rear inner wall of the receiving groove 2. Trapezoidal bars 22 are provided on the rear side of each rack 24. The rack 24 and trapezoidal bars 22 are fixedly connected, and the trapezoidal bars 22 are slidably connected to the trapezoidal grooves 3. The trapezoidal bars 22 can be guided and limited through the trapezoidal grooves 3, thereby guiding and limiting the running trajectory of the rack 24, so that the rack 24 always maintains a straight running state.

[0032] Each rack 24 has a clamping plate 25 on its front side. The front side of the rack 24 is fixedly connected to the rear side of the clamping plate 25. The front side of the upright plate 21 has a movable groove 2 at the position of each clamping plate 25. The movable groove 2 facilitates the movement of the clamping plate 25. The output end of the rotary motor 22 can drive the gear 23 to rotate. The rotation of the gear 23 can drive the two racks 24 to move closer or further away from each other, thereby driving the two clamping plates 25 to move closer or further away from each other. This can clamp and fix the front frame of the car, ensuring that the front frame of the car will not fall from a height and cause damage when it moves. The bottom surface of the frame 1 is provided with multiple ground supports 26. The bottom surface of the frame 1 is fixedly connected to the top of the ground supports 26. The ground supports 26 can provide stable support for the frame 1. The bottom surface of the frame 1 is provided with two support plates 27. The bottom surface of the frame 1 is fixedly connected to the top surface of the support plates 27.

[0033] A rotary motor 28 is located on the right side of a support plate 27. The right side of the support plate 27 is fixedly connected to the left side of the rotary motor 28. The output end of the rotary motor 28 extends through the space between the two support plates 27 and is provided with a bidirectional screw 29. The output end of the rotary motor 28 is fixedly connected to the right end of the bidirectional screw 29. Both ends of the bidirectional screw 29 are threaded with threaded blocks 30. Two baffles are provided between the two threaded blocks 30 on the outer ring of the bidirectional screw 29 to prevent the threaded blocks 30 from slipping. Each threaded block 30 has a trapezoidal block 34 on its top surface. The top surface of the threaded block 30 is fixedly connected to the bottom surface of the trapezoidal block 34. The bottom surface of the frame 1 has two trapezoidal grooves. The trapezoidal block 34 is slidably connected to the trapezoidal grooves. The trapezoidal grooves can guide and limit the trapezoidal block 34, thereby guiding and limiting the running trajectory of the threaded block 30, so that the threaded block 30 always maintains a straight running state.

[0034] Each threaded block 30 has a set of connecting rods 31 rotatably mounted on both its front and rear sides. The two sets of connecting rods 31 are symmetrically arranged in a figure-eight shape. The bottom of the two sets of connecting rods 31 is rotatably mounted on the same movable plate 32. T-shaped blocks 35 are provided on both the left and right sides of the movable plate 32. The left and right sides of the movable plate 32 are fixedly connected to the T-shaped blocks 35. T-shaped grooves are opened on the side of the two support plates 27 that are close to each other. The T-shaped blocks 35 are slidably connected to the T-shaped grooves. The T-shaped blocks 35 can be guided and limited through the T-shaped grooves, thereby guiding and limiting the running trajectory of the movable plate 32, so that the movable plate 32 always maintains a straight running state. Multiple movable wheels 33 are provided on the bottom surface of the movable plate 32. The bottom surface of the movable plate 32 is fixedly connected to the movable wheels 33.

[0035] The rotation of the rotary motor 28 drives the bidirectional screw 29 to rotate. The rotation of the bidirectional screw 29 drives the two threaded blocks 30 to move closer or further apart. When the two threaded blocks 30 move closer together, the included angle between the two sets of connecting rods 31 decreases, which pushes the moving plate 32 and the moving wheel 33 downward, so that the bottom of the moving wheel 33 is lower than the bottom surface of the ground support 26, thus facilitating the movement of the equipment. When the two threaded blocks 30 move further apart, the included angle between the two connecting rods 31 gradually increases, which drives the moving plate 32 and the moving wheel 33 upward, so that the bottom surface of the moving wheel 33 is higher than the bottom surface of the ground support 26, thus stabilizing the support frame 1 with the ground support 26 in contact with the ground.

[0036] In this embodiment, when using this device, the lifting platform 9 is initially located at the bottom of the frame 1 when not in use. The rotary motor 2 is then operated, and its output drives the one-way screw 3 to rotate. The rotation of the one-way screw 3 causes the threaded block 4 to move forward along the screw, which in turn moves the adjusting frame 5 forward. This forward movement of the adjusting frame 5 moves the lifting platform 9 to the front of the frame 1. The car front frame to be transferred can then be placed on the top surface of the lifting platform 9. Then, the rotary motor 2 is operated... 13. The output of rotary motor 13 drives gear 14 to rotate. The rotation of gear 14 drives two racks 15 to move closer to each other, which in turn drives clamping plates 16 to move back and forth, thus clamping the front frame of the car. Then, rotary motor 6 is operated, and the output of rotary motor 6 drives one-way screw 7 to rotate. The rotation of one-way screw 7 drives threaded block 8 to move up and down along one-way screw 7, which in turn drives lifting platform 9 to move up and down, so that the top surface of lifting platform 9 moves to the top of carrier plate 20. When the surfaces are aligned, the electric guide rail 10 can be operated. The electric guide rail 10 drives the slide table 11 to move, which in turn moves the push plate 12 closer to the carrier plate 20. This allows the front frame of the car to move to the top surface of the carrier plate 20. After the movement is complete, the clamping of the front frame can be released, returning it to its original position. Then, the rotary motor 22 is operated. The output of the rotary motor 22 drives the gear 23 to rotate. The rotation of the gear 23 drives the two racks 24 to move closer together, thereby moving the two clamping plates 2... 5. Securely clamp the front frame of the car to keep it in a stable position. When placing front frames of different thicknesses, adjust the distance between the two carrier plates 20. Then, the hollow motor 19 can be operated. The rotation of the inner rotor of the hollow motor 19 can drive the hollow motor 19 to move up and down along the threaded column 18, thereby moving the carrier plate 20 up and down. This allows the distance between the two carrier plates 20 to be adjusted. Once the front frame of the car is placed, the lifting platform 9 can be moved to the bottom of the frame 1 to ensure that it does not occupy too much space.

[0037] The above-described specific embodiments are merely preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above-described specific embodiments.

Claims

1. A transfer rack for conveying automotive front-end frames, comprising a frame body (1), characterized in that: A sliding groove is provided on the left inner wall of the frame (1). A rotary motor (2) is provided on the rear side of the frame (1). A one-way screw (3) is provided at the output end of the rotary motor (2). The front end of the one-way screw (3) extends through the interior of the sliding groove and is threadedly connected to a threaded block (4). An adjustment frame (5) is provided on the right side of the threaded block (4). A rotary motor (6) is provided on the top surface of the adjustment frame (5). A one-way screw (7) is provided at the output end of the rotary motor (6). The bottom end extends through to the interior of the adjustment frame (5) and is threadedly connected to a threaded block two (8). A lifting platform (9) is provided on the right side of the threaded block two (8). The top surface of the lifting platform (9) is provided with an installation groove. An electric guide rail (10) is provided inside the installation groove. A slide table (11) is slidably provided on the rear side of the electric guide rail (10). A push plate (12) is provided on the top surface of the slide table (11). A receiving groove is provided inside the push plate (12). A rotary motor three (13) is provided on the front side of the push plate (12). The output end of the third (13) extends through into the interior of the receiving slot and is equipped with a gear (14). Two racks (15) are slidably arranged on the front inner wall of the receiving slot. Each rack (15) is equipped with a clamping plate (16) on its rear side. A fixing plate (17) is provided on the right inner wall of the frame (1). A threaded post (18) is provided between the inner bottom surface of the frame (1) and the fixing plate (17). The outer ring of the threaded post (18) is threadedly connected to multiple hollow motors (19). The top surface of each hollow motor (19) is... A carrier plate (20) is provided, which is slidably connected to a threaded column (18). A vertical plate (21) is provided on the top surface of the carrier plate (20). A receiving groove 2 is provided inside the vertical plate (21). A rotary motor 4 (22) is provided on the rear side of the vertical plate (21). The output end of the rotary motor 4 (22) extends through into the interior of the receiving groove 2 and is provided with a gear 2 (23). Two racks 2 (24) are slidably provided on the rear inner wall of the receiving groove 2. A clamping plate 2 (25) is provided on the front side of each rack 2 (24).

2. The transfer rack for conveying automotive front-end frames according to claim 1, characterized in that, The bottom surface of the frame (1) is provided with multiple ground supports (26), and the bottom surface of the frame (1) is provided with two support plates (27). On the right side of the support plate (27) on the right side, a rotary motor (28) is provided. The output end of the rotary motor (28) extends through to the space between the two support plates (27) and is provided with a bidirectional screw (29). The outer rings of both ends of the bidirectional screw (29) are threadedly connected to threaded blocks (30). Each threaded block (30) is rotatably provided with a set of connecting rods (31) on both the front and rear sides. The two sets of connecting rods (31) are symmetrically arranged in a figure-eight shape. The bottom end of the two sets of connecting rods (31) is rotatably provided with the same moving plate (32). The bottom surface of the moving plate (32) is provided with multiple moving wheels (33).

3. A transfer rack for conveying automotive front-end frames according to claim 2, characterized in that, Each of the threaded blocks (30) has a trapezoidal block (34) on its top surface, and the bottom surface of the frame (1) has two trapezoidal grooves. The trapezoidal block (34) is slidably connected to the trapezoidal groove.

4. A transfer rack for conveying automotive front-end frames according to claim 2, characterized in that, T-shaped blocks (35) are provided on both the left and right sides of the movable plate (32), and T-shaped grooves are provided on the side of the two support plates (27) that are close to each other. The T-shaped blocks (35) are slidably connected to the T-shaped grooves.

5. A transfer rack for conveying automotive front-end frames according to claim 2, characterized in that, Two guide grooves are provided on the left inner wall of the frame (1). Each guide groove is provided with a guide rod (36). A guide block (37) is slidably provided at the front end of each guide rod (36). The right side of each guide block (37) is fixedly connected to the left side of the adjustment frame (5).

6. A transfer rack for conveying automotive front-end frames according to claim 1, characterized in that, The top surface of the lifting platform (9) is provided with a limiting groove, and a limiting rod (38) is provided inside the limiting groove. A limiting block (39) is slidably provided at the front end of the limiting rod (38), and the top surface of the limiting block (39) is fixedly connected to the bottom surface of the push plate (12).

7. A transfer rack for conveying automotive front-end frames according to claim 1, characterized in that, The gear 1 (14) is meshed with the two racks 1 (15). The inner wall of the front side of the receiving groove 1 has two trapezoidal grooves 2. The front side of the two racks 1 (15) is provided with trapezoidal strips 1 (40). The trapezoidal strips 1 (40) are slidably connected to the trapezoidal grooves 2.

8. A transfer rack for conveying automotive front-end frames according to claim 1, characterized in that, A set of guide rods (41) is provided between the fixed plate (17) and the inner bottom surface of the frame (1), and the guide rods (41) are slidably connected to the carrier plate (20).

9. A transfer rack for conveying automotive front-end frames according to claim 1, characterized in that, The gear 2 (23) is meshed with the two racks 2 (24). The inner rear wall of the receiving groove 2 has two trapezoidal grooves 3. The rear sides of the two racks 2 (24) are provided with trapezoidal strips 2 (42). The trapezoidal strips 2 (42) are slidably connected to the trapezoidal grooves 3.

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