Automatic conveying device for automobile part machining

Abstract

The invention discloses an automatic conveying device for automobile part machining, and relates to the technical field of automobile part machining. The automatic conveying device for automobile part machining comprises a bottom plate, a conveying unit, an adjusting unit and a limiting unit, and a transmission box is fixedly mounted at the top of the bottom plate; the conveying unit is arranged on the bottom plate and comprises a movable base and a toothed plate, and a transmission gear and a first driving motor are arranged on the movable base. According to the automatic conveying device for automobile part machining, workpieces can be clamped and limited in the workpiece conveying process, in this way, the situation that the workpieces fall off due to shaking in the moving process can be avoided, and therefore the stability of the workpieces during moving can be ensured; and a mounting sleeve and a mounting vertical rod can be quickly mounted, so that when different automobile parts are conveyed subsequently, a worker can conveniently replace a hanging box, the conveying effect of the automobile parts is improved, and the application range of the device is widened.

Description

Technical Field

[0001] This invention relates to the field of automotive parts processing technology, and in particular to an automatic conveying device for automotive parts processing. Background Technology

[0002] Chinese patent document CN220925513U discloses a component conveying device for automotive parts manufacturing, including a conveying frame. The inner side of the conveying frame is equipped with a conveying assembly for conveying automotive parts. A connecting frame is installed at one end of the conveying frame. A guide plate is installed on one side of the bottom inner end of the connecting frame. Protective plates are installed on both sides of the top of the connecting frame near the guide plate. This component conveying device for automotive parts manufacturing, thanks to the design of the guide plate, baffle plate, and protective plates, allows automotive parts to slide down along the guide plate onto the connecting frame when falling from the end of the conveying device. The baffle plate then stops and limits the movement of the parts, facilitating auxiliary receiving of the parts and preventing them from falling to the ground and causing damage, thus reducing production costs. Simultaneously, the protective plates protect the automotive parts as they fall towards the connecting frame, preventing them from falling outside the connecting frame.

[0003] The aforementioned component conveying device for manufacturing automotive parts transports automotive parts via a conveyor belt. However, when the automotive parts are large or heavy, such as when transporting a gearbox housing, the heavy housing may damage the conveyor belt. Therefore, its application scope is narrow and its practicality is low. Summary of the Invention

[0004] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide an automatic conveying device for processing automotive parts, which can solve the problem that a heavy housing may damage the conveyor belt.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an automatic conveying device for processing automotive parts, comprising a base plate, a conveying unit, an adjusting unit, and a limiting unit, wherein a transmission box is fixedly installed on the top of the base plate;

[0006] The conveying unit is located on the base plate. The conveying unit includes a movable base and a toothed plate. The movable base is provided with a transmission gear and a first drive motor. The first drive motor is used to drive the transmission gear to rotate. The rotation of the transmission gear is used to drive the movable base to move laterally on the toothed plate.

[0007] An adjustment unit is disposed on the conveying unit. The adjustment unit includes a second drive motor and a front support plate. The second drive motor is used to drive the front support plate to rotate.

[0008] The limiting unit is located on the adjusting unit. The limiting unit includes a hanging box, on which a third drive motor and clamping plates are provided. There are two sets of clamping plates, and a clamping space is provided between the two sets of clamping plates. The third drive motor is used to drive the two sets of clamping plates to move laterally relative to the clamping space.

[0009] Preferably, a transmission box is fixedly installed on the top of the base plate, a fixed threaded sleeve is fixedly installed on the bottom of the base plate, a self-locking threaded post is installed on the internal thread of the fixed threaded sleeve, a circular support base is rotatably installed on the bottom of the self-locking threaded post, a hexagonal block is fixedly installed on the outer wall of the self-locking threaded post, and an anti-slip pad is pasted and fixed on the bottom of the circular support base.

[0010] Preferably, the conveying unit further includes a fixed horizontal plate, a rotating rod, a transmission gear, a support column, a moving platform, and a rotating support rod. Fixed horizontal plates are fixedly installed on the inner walls of both sides of the transmission box. A moving base is slidably installed on the outer wall of the fixed horizontal plate. The moving base is located inside the transmission box, and its front and rear sides are in contact with but not fixed to the front and rear inner walls of the transmission box. An opening is provided at the bottom of the moving base. A rotating rod is rotatably installed on the front and rear inner walls of the opening. A transmission gear is fixedly installed on the outer wall of the rotating rod. A toothed plate is fixedly installed on the bottom inner side of the transmission box, and the transmission gear meshes with the toothed plate. A support column is fixedly installed on the top of the moving base. A moving platform is fixedly installed on the top of the support column. A rotating support rod is rotatably installed on the top of the moving platform. A first drive motor is fixedly installed on the front side of the moving base. The shaft of the first drive motor extends into the opening of the moving base and is fixedly installed with one end of the rotating rod.

[0011] Preferably, the base plate has a strip-shaped opening on its front side, the first drive motor is located inside the strip-shaped opening, and the outer wall of the first drive motor does not contact the inner wall of the strip-shaped opening on the movable base.

[0012] Preferably, the adjustment unit further includes a transmission rod, gears, a mounting plate, an electric push rod, a circular connecting plate, and a mounting sleeve. A second drive motor is fixedly mounted on the top of the moving platform. A transmission rod is fixedly mounted on the shaft of the second drive motor. Gears are fixedly mounted on the outer wall of both the transmission rod and the outer wall of the rotary support rod. There are two sets of gears that mesh with each other. A mounting plate is fixedly mounted on the outer wall of the rotary support rod. A front support plate is fixedly mounted on the front side of the mounting plate. An electric push rod is fixedly mounted on the top of the front support plate. The free end of the electric push rod extends to the bottom of the front support plate and is fixedly mounted on a circular connecting plate. A mounting sleeve is fixedly mounted on the bottom of the circular connecting plate.

[0013] Preferably, the limiting unit further includes a gearbox, a bidirectional threaded rod, a guide rod, a movable horizontal plate, a linkage plate, a workpiece, a rotating rod, a worm gear, a worm, a U-shaped support side plate, a damping limiting spring, a connecting movable plate, a limiting round rod, and a pulling slide rod. The mounting sleeve has a groove inside for the vertical rod to move. The top of the vertical rod is located inside the groove on the mounting sleeve. A hanging box is fixedly installed at the bottom of the vertical rod. Bidirectional threaded rods are rotatably installed on the inner walls of both sides of the hanging box. Guide rods are fixedly installed on the inner walls of both sides of the hanging box. A movable horizontal plate is slidably installed on the outer wall of the guide rod. The movable horizontal plate and the bidirectional threaded rod are threaded together. A linkage plate is fixedly installed at the bottom of the movable horizontal plate. A clamping plate is fixedly installed at the bottom of the linkage plate. A workpiece is placed on the inner bottom of the hanging box, and the workpiece is located between two sets of clamping plates.

[0014] Preferably, a gearbox is fixedly installed on one side of the hoisting box, and a rotating rod is rotatably installed on the inner wall of one side of the gearbox. One end of the rotating rod extends into the interior of the hoisting box and is fixedly installed with one end of a double-threaded rod. The rotating rod is rotatably installed with the hoisting box. A worm gear is fixedly installed on the outer wall of the rotating rod. A worm is rotatably installed on the front and rear inner walls of the gearbox. The worm gear meshes with the worm. A third drive motor is fixedly installed on the front side of the gearbox, and the shaft of the third drive motor is fixedly installed with one end of the worm.

[0015] Preferably, a U-shaped support side plate is fixedly installed on one side of the mounting sleeve, a damping limit spring is fixedly installed on the inner wall of one side of the U-shaped support side plate, a connecting movable plate is fixedly installed on one side of the damping limit spring, a limit round rod is fixedly installed on one side of the connecting movable plate, and a pulling slide rod is fixedly installed on the other side of the connecting movable plate. One end of the pulling slide rod extends to one side of the U-shaped support side plate and is fixedly installed with a handle. The pulling slide rod is slidably set with the U-shaped support side plate.

[0016] Preferably, the mounting sleeve has an opening inside for the movement of the limiting rod, and the mounting vertical rod has a limiting hole inside for the movement of the limiting rod. One end of the limiting rod passes through the opening on the mounting sleeve and extends into the upper limiting hole of the mounting vertical rod.

[0017] Preferably, protective pads are attached and fixed to the opposite surfaces of the two sets of clamping plates on the hoisting box, and one side of the protective pad is in contact with one side of the workpiece but is not fixed.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] (1) The automatic conveying device for processing automotive parts, through the combined use of a fixed horizontal plate, a movable base, a rotating rod, a transmission gear, a toothed plate and a first drive motor, can move the movable base laterally. When the movable base moves laterally, the workpiece can be moved laterally, thus enabling the workpiece to be conveyed. This conveying method is relatively simple and easy for workers to operate. Compared with manual conveying by workers, it can reduce the time for conveying workpieces and the labor intensity of workers during conveying, thereby improving the conveying effect of automotive parts.

[0020] (2) The automatic conveying device for processing automotive parts, through the combined use of the second drive motor, mounting plate, gear, mounting plate, support front plate and electric push rod, can adjust the placement position of the workpiece by rotating the rotating support rod according to the needs of the conveying destination during the conveying process, thereby enabling the workpiece to move to different positions and improving the conveying effect of the workpiece. Furthermore, through the setting of the electric push rod, the workpiece can also be raised and lowered, so that the workpiece can be placed at different heights by raising and lowering during the conveying process, further improving the practicality of the device.

[0021] (3) The automatic conveying device for processing automotive parts, through the combined use of the mounting vertical rod, the lifting box, the gearbox, the third drive motor, the bidirectional threaded rod and the guide rod, can clamp and limit the workpiece during the conveying process. This can prevent the workpiece from falling due to shaking during the movement, thus ensuring the stability of the workpiece during movement. Furthermore, the setting of the limiting round rod can quickly install the mounting sleeve and the mounting vertical rod. This makes it convenient for workers to change the lifting box when conveying different automotive parts, thereby improving the conveying effect of automotive parts and increasing the applicability of the device. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0023] Figure 1 This is a perspective view of the present invention;

[0024] Figure 2 This is a cross-sectional view of the present invention;

[0025] Figure 3 This is a bottom view of the present invention;

[0026] Figure 4 This is a cross-sectional view of the lifting box of the present invention;

[0027] Figure 5 This is an enlarged view of part A of the present invention;

[0028] Figure 6 This is an enlarged view of part B of the present invention;

[0029] Figure 7 This is an enlarged view of part C of the present invention.

[0030] Reference numerals: 1. Base plate; 2. Transmission box; 3. Conveying unit; 301. Fixed cross plate; 302. Movable base; 303. Rotating rod; 304. Transmission gear; 305. Gear plate; 306. First drive motor; 307. Support column; 308. Movable platform; 309. Rotary support rod; 4. Adjustment unit; 401. Second drive motor; 402. Transmission rod; 403. Gear; 404. Mounting plate; 405. Support front plate; 406. Electric push rod; 407. Circular connecting plate; 408. Mounting sleeve; 5. Limiting unit 501. Mounting vertical rod; 502. Lifting box; 503. Gearbox; 504. Third drive motor; 505. Bidirectional threaded rod; 506. Guide rod; 507. Movable horizontal plate; 508. Linkage plate; 509. Clamping plate; 510. Workpiece; 511. Rotating rod; 512. Worm gear; 513. Worm; 514. U-shaped support side plate; 515. Damped limit spring; 516. Connecting movable plate; 517. Limiting round rod; 518. Pulling slide rod; 6. Fixed threaded sleeve; 7. Self-locking threaded column; 8. Circular support base. Detailed Implementation

[0031] This section will describe in detail specific embodiments of the present invention. Preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but they should not be construed as limiting the scope of protection of the present invention.

[0032] Please see Figure 1-7 This invention provides a technical solution: an automatic conveying device for processing automotive parts, comprising a base plate 1, a conveying unit 3, an adjusting unit 4, and a limiting unit 5. A transmission box 2 is fixedly installed on the top of the base plate 1. The conveying unit 3 is disposed on the base plate 1 and includes a movable base 302 and a toothed plate 305. The movable base 302 is provided with a transmission gear 304 and a first drive motor 306. The first drive motor 306 is used to drive the transmission gear 304 to rotate, and the rotation of the transmission gear 304 is used to drive the movable base 302 to be positioned horizontally on the toothed plate 305. The conveying unit 3 is moved laterally; the adjustment unit 4 is located on the conveying unit 3, and the adjustment unit 4 includes a second drive motor 401 and a supporting front plate 405. The second drive motor 401 is used to drive the supporting front plate 405 to rotate; the limiting unit 5 is located on the adjustment unit 4, and the limiting unit 5 includes a hanging box 502. The hanging box 502 is provided with a third drive motor 504 and a clamping plate 509. There are two sets of clamping plates 509, and a clamping space is provided between the two sets of clamping plates 509. The third drive motor 504 is used to drive the two sets of clamping plates 509 to move laterally relative to the clamping space.

[0033] Furthermore, a transmission box 2 is fixedly installed on the top of the base plate 1, a fixed threaded sleeve 6 is fixedly installed on the bottom of the base plate 1, a self-locking threaded post 7 is installed on the internal thread of the fixed threaded sleeve 6, a circular support base 8 is rotatably installed on the bottom of the self-locking threaded post 7, a hexagonal block is fixedly installed on the outer wall of the self-locking threaded post 7, and an anti-slip pad is pasted and fixed on the bottom of the circular support base 8.

[0034] Furthermore, the conveying unit 3 also includes a fixed horizontal plate 301, a rotating rod 303, a transmission gear 304, a support column 307, a moving platform 308, and a rotating support rod 309. Fixed horizontal plates 301 are fixedly installed on the inner walls of both sides of the transmission box 2. A moving base 302 is slidably installed on the outer wall of the fixed horizontal plate 301. The moving base 302 is located inside the transmission box 2, and its front and rear sides are in contact with but not fixed to the front and rear inner walls of the transmission box 2. An opening is provided at the bottom of the moving base 302. A rotating rod 303 is rotatably installed on the front and rear inner walls of the opening. A transmission gear 304 is fixedly installed on the outer wall of the rotating rod 303. A toothed plate 305 is fixedly installed on the inner bottom of the transmission box 2, and the transmission gear 304 meshes with the toothed plate 305. A support column 307 is fixedly installed on the top of the moving base 302, and a moving platform 309 is fixedly installed on the top of the support column 307. 08. A rotating support rod 309 is rotatably mounted on the top of the mobile platform 308. A first drive motor 306 is fixedly mounted on the front side of the mobile base 302. The shaft of the first drive motor 306 extends into the opening of the mobile base 302 and is fixedly mounted to one end of the rotating rod 303. A strip-shaped opening is provided on the front side of the base plate 1. The first drive motor 306 is located inside the strip-shaped opening, and the outer wall of the first drive motor 306 does not contact the inner wall of the strip-shaped opening on the mobile base 302. This arrangement allows the mobile base 302 to move laterally. When the mobile base 302 moves laterally, the workpiece 510 can be moved laterally, thus enabling the workpiece 510 to be transported. This transport method is relatively simple and easy for workers to operate. Compared with manual transport by workers, it can reduce the transport time of the workpiece 510 and the labor intensity of workers during transport, thereby improving the transport effect of automotive parts.

[0035] Furthermore, the adjustment unit 4 also includes a transmission rod 402, a gear 403, a mounting plate 404, an electric push rod 406, a circular connecting plate 407, and a mounting sleeve 408. A second drive motor 401 is fixedly mounted on the top of the moving platform 308. The transmission rod 402 is fixedly mounted on the shaft of the second drive motor 401. Gears 403 are fixedly mounted on both the outer wall of the transmission rod 402 and the outer wall of the rotary support rod 309. There are two sets of gears 403, which mesh with each other. A mounting plate 404 is fixedly mounted on the outer wall of the rotary support rod 309. A front support plate 405 is fixedly mounted on the front side of the mounting plate 404. An electric push rod 406 is fixedly mounted on the top of the front support plate 405. The free end of the moving push rod 406 extends to the bottom of the support front plate 405 and is fixedly installed with a circular connecting plate 407. An installation sleeve 408 is fixedly installed at the bottom of the circular connecting plate 407. This arrangement allows the placement position of the workpiece 510 to be adjusted by rotating the rotating support rod 309 according to the needs of the conveying destination during the conveying process, thereby enabling the workpiece 510 to move to different positions and improving the conveying effect of the workpiece 510. Furthermore, the electric push rod 406 can also be used to lift and lower the workpiece 510, so that the workpiece 510 can be placed at different heights during conveying, further improving the practicality of the device.

[0036] Secondly, the limiting unit 5 also includes a gearbox 503, a bidirectional threaded rod 505, a guide rod 506, a movable horizontal plate 507, a linkage plate 508, a workpiece 510, a rotating rod 511, a worm gear 512, a worm 513, a U-shaped support side plate 514, a damping limiting spring 515, a connecting movable plate 516, a limiting round rod 517, and a pulling slide rod 518. The mounting sleeve 408 has a groove inside for the vertical rod 501 to move. The top of the vertical rod 501 is located inside the groove on the mounting sleeve 408. A lifting box 502 is fixedly installed at the bottom of the vertical rod 501. Bidirectional threaded rods 505 are rotatably installed on the inner walls of both sides of the lifting box 502. Guide rods 506 are fixedly installed on the inner walls of both sides of the lifting box 502. A movable horizontal plate 507 is slidably installed on the wall. The movable horizontal plate 507 and the double-threaded rod 505 are threaded together. A linkage plate 508 is fixedly installed at the bottom of the movable horizontal plate 507. A clamping plate 509 is fixedly installed at the bottom of the linkage plate 508. A workpiece 510 is placed on the inner bottom of the lifting box 502, and the workpiece 510 is located between two sets of clamping plates 509. A gearbox 503 is fixedly installed on one side of the lifting box 502. A rotating rod 511 is rotatably installed on the inner wall of one side of the gearbox 503. One end of the rotating rod 511 extends into the interior of the lifting box 502 and is fixedly installed with one end of the double-threaded rod 505. The rotating rod 511 and the lifting box 502 are rotatably installed. A worm gear 512 is fixedly installed on the outer wall of the rotating rod 511. The front inner wall and the rear inner wall of the gearbox 503 are connected. A worm gear 513 is rotatably mounted on the wall, and a worm wheel 512 meshes with the worm gear 513. A third drive motor 504 is fixedly mounted on the front side of the gearbox 503. The shaft of the third drive motor 504 is fixedly mounted to one end of the worm gear 513. A U-shaped support side plate 514 is fixedly mounted on one side of the mounting sleeve 408. A damping limit spring 515 is fixedly mounted on the inner wall of one side of the U-shaped support side plate 514. A connecting movable plate 516 is fixedly mounted on one side of the damping limit spring 515. A limit rod 517 is fixedly mounted on one side of the connecting movable plate 516. A pull slide rod 518 is fixedly mounted on the other side of the connecting movable plate 516. One end of the pull slide rod 518 extends to one side of the U-shaped support side plate 514 and is fixedly mounted with a handle. Pulling the slide rod 518... The mounting sleeve 408 has a hole inside the mounting sleeve 408 that allows the limiting rod 517 to move, and the mounting vertical rod 501 has a limiting hole inside that allows the limiting rod 517 to move. One end of the limiting rod 517 passes through the hole in the mounting sleeve 408 and extends into the limiting hole in the mounting vertical rod 501. Protective pads are attached to the opposite faces of the two sets of clamping plates 509 on the lifting box 502. One side of the protective pad contacts one side of the workpiece 510 but is not fixed. This arrangement clamps and limits the workpiece 510 during transport, preventing it from falling due to shaking and ensuring its stability during movement.Furthermore, the limiting rod 517 allows for quick installation of the mounting sleeve 408 and the mounting vertical rod 501. This facilitates the replacement of the lifting box 502 by workers when transporting different automotive parts, thereby improving the transport efficiency of automotive parts and expanding the applicability of the device.

[0037] Working Principle: The first drive motor 306, the second drive motor 401, the third drive motor 504, and the electric push rod 406 mentioned above are all existing technologies. Therefore, their internal structure and control methods do not need to be described in detail. In use, the electric push rod 406 is started, which drives the lifting box 502 to descend. After the lifting box 502 is lowered, the worker places the workpiece 510 on the lifting box 502. The electric push rod 406 is then controlled to reset the lifting box 502. Subsequently, the third drive motor 504 is controlled to drive the worm gear 513 to rotate. The rotation of the worm gear 513 drives the rotating rod 511 to rotate through the worm wheel 512. The rotation of the rotating rod 511 drives the bidirectional threaded rod 505 to rotate, which in turn drives the movable horizontal plate 507 and the linkage plate 508 to move. The movement of the linkage plate 508 drives the clamping plate 509 to move. The movement of the first drive motor 306 limits the workpiece 510, and then controls the first drive motor 306 to start. The first drive motor 306 drives the rotating rod 303 and the transmission gear 304 to rotate. The rotation of the transmission gear 304 causes the workpiece 510 to move laterally through the toothed plate 305. When the workpiece 510 is unloaded, the second drive motor 401 is started. The second drive motor 401 drives the transmission rod 402 to rotate. The rotation of the transmission rod 402 causes the rotating support rod 309 to rotate through the two sets of gears 403, thereby adjusting the unloading position of the workpiece 510. When it is necessary to change the lifting box 502, the pulling slide rod 518 is pulled. The pulling slide rod 518 moves and drives the connecting movable plate 516 and the limiting round rod 517 to move, thereby canceling the limitation on the mounting sleeve 408 and the mounting vertical rod 501.

[0038] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An automatic conveying device for processing automotive parts, characterized in that, include: The base plate (1) has a transmission box (2) fixedly installed on its top. The conveying unit (3) is located on the base plate (1). The conveying unit (3) includes a movable base (302) and a toothed plate (305). The movable base (302) is provided with a transmission gear (304) and a first drive motor (306). The first drive motor (306) is used to drive the transmission gear (304) to rotate. The rotation of the transmission gear (304) is used to drive the movable base (302) to move laterally on the toothed plate (305). An adjustment unit (4) is provided on the conveying unit (3). The adjustment unit (4) includes a second drive motor (401) and a front support plate (405). The second drive motor (401) is used to drive the front support plate (405) to rotate. The limiting unit (5) is located on the adjusting unit (4). The limiting unit (5) includes a hanging box (502). The hanging box (502) is provided with a third drive motor (504) and a clamping plate (509). There are two sets of clamping plates (509). A clamping space is provided between the two sets of clamping plates (509). The third drive motor (504) is used to drive the two sets of clamping plates (509) to move laterally relative to the clamping space.

2. The automatic conveying device for processing automotive parts according to claim 1, characterized in that: A transmission box (2) is fixedly installed on the top of the base plate (1), and a fixed threaded sleeve (6) is fixedly installed on the bottom of the base plate (1). A self-locking threaded column (7) is installed on the internal thread of the fixed threaded sleeve (6). A circular support base (8) is rotatably installed on the bottom of the self-locking threaded column (7). A hexagonal block is fixedly installed on the outer wall of the self-locking threaded column (7), and an anti-slip pad is pasted and fixed on the bottom of the circular support base (8).

3. The automatic conveying device for processing automotive parts according to claim 2, characterized in that: The conveying unit (3) also includes a fixed horizontal plate (301), a rotating rod (303), a transmission gear (304), a support column (307), a moving platform (308), and a rotating support rod (309). Fixed horizontal plates (301) are fixedly installed on the inner walls of both sides of the transmission box (2). A movable base (302) is slidably installed on the outer wall of the fixed horizontal plate (301). The movable base (302) is located inside the transmission box (2), and its front and rear sides are in contact with the front and rear inner walls of the transmission box (2) but are not fixed. An opening is provided at the bottom of the movable base (302), and a rotating rod (303) is rotatably installed on the front and rear inner walls of the opening. A transmission gear (304) is fixedly installed on the outer wall of the moving rod (303). A toothed plate (305) is fixedly installed on the bottom inner side of the transmission box (2). The transmission gear (304) meshes with the toothed plate (305). A support column (307) is fixedly installed on the top of the movable base (302). A movable platform (308) is fixedly installed on the top of the support column (307). A rotating support rod (309) is rotatably installed on the top of the movable platform (308). A first drive motor (306) is fixedly installed on the front side of the movable base (302). The shaft of the first drive motor (306) extends into the opening of the movable base (302) and is fixedly installed with one end of the rotating rod (303).

4. An automatic conveying device for processing automotive parts according to claim 3, characterized in that: The base plate (1) has a strip-shaped opening on its front side. The first drive motor (306) is located inside the strip-shaped opening and the outer wall of the first drive motor (306) does not contact the inner wall of the strip-shaped opening on the movable base (302).

5. An automatic conveying device for processing automotive parts according to claim 4, characterized in that: The adjustment unit (4) also includes a transmission rod (402), a gear (403), a mounting plate (404), an electric push rod (406), a circular connecting plate (407), and a mounting sleeve (408). A second drive motor (401) is fixedly installed on the top of the moving platform (308). The transmission rod (402) is fixedly installed on the shaft of the second drive motor (401). Gears (403) are fixedly installed on the outer wall of the transmission rod (402) and the outer wall of the rotating support rod (309). There are two sets of gears (403) meshing with each other. The outer wall of the rotary support rod (309) is fixedly mounted with a mounting plate (404). The front side of the mounting plate (404) is fixedly mounted with a front support plate (405). The top of the front support plate (405) is fixedly mounted with an electric push rod (406). The free end of the electric push rod (406) extends to the bottom of the front support plate (405) and is fixedly mounted with a circular connecting plate (407). The bottom of the circular connecting plate (407) is fixedly mounted with an installation sleeve (408).

6. An automatic conveying device for processing automotive parts according to claim 5, characterized in that: The limiting unit (5) also includes a gearbox (503), a bidirectional threaded rod (505), a guide rod (506), a movable horizontal plate (507), a linkage plate (508), a workpiece (510), a rotating rod (511), a worm gear (512), a worm (513), a U-shaped support side plate (514), a damping limiting spring (515), a connecting movable plate (516), a limiting round rod (517), and a pulling slide rod (518). The mounting sleeve (408) has a groove inside for the installation vertical rod (501) to move. The top of the installation vertical rod (501) is located inside the groove on the mounting sleeve (408). A lifting box (502) is fixedly installed at the bottom of the lifting box (502). Two-way threaded rods (505) are rotatably installed on the inner walls of both sides of the lifting box (502). Guide rods (506) are fixedly installed on the inner walls of both sides of the lifting box (502). A movable horizontal plate (507) is slidably installed on the outer wall of the guide rod (506). The movable horizontal plate (507) and the two-way threaded rods (505) are threaded together. A linkage plate (508) is fixedly installed at the bottom of the movable horizontal plate (507). A clamping plate (509) is fixedly installed at the bottom of the linkage plate (508). A workpiece (510) is placed on the inner bottom of the lifting box (502). The workpiece (510) is located between the two sets of clamping plates (509).

7. An automatic conveying device for processing automotive parts according to claim 6, characterized in that: A gearbox (503) is fixedly installed on one side of the hoisting box (502). A rotating rod (511) is rotatably installed on the inner wall of one side of the gearbox (503). One end of the rotating rod (511) extends into the interior of the hoisting box (502) and is fixedly installed with one end of the double-threaded rod (505). The rotating rod (511) is rotatably installed with the hoisting box (502). A worm gear (512) is fixedly installed on the outer wall of the rotating rod (511). A worm (513) is rotatably installed on the front inner wall and the rear inner wall of the gearbox (503). The worm gear (512) meshes with the worm (513). A third drive motor (504) is fixedly installed on the front side of the gearbox (503). The shaft of the third drive motor (504) is fixedly installed with one end of the worm (513).

8. An automatic conveying device for processing automotive parts according to claim 7, characterized in that: A U-shaped support side plate (514) is fixedly installed on one side of the mounting sleeve (408). A damping limit spring (515) is fixedly installed on the inner wall of one side of the U-shaped support side plate (514). A connecting movable plate (516) is fixedly installed on one side of the damping limit spring (515). A limit rod (517) is fixedly installed on one side of the connecting movable plate (516). A pull slide rod (518) is fixedly installed on the other side of the connecting movable plate (516). One end of the pull slide rod (518) extends to one side of the U-shaped support side plate (514) and is fixedly installed with a handle. The pull slide rod (518) and the U-shaped support side plate (514) are slidably arranged.

9. An automatic conveying device for processing automotive parts according to claim 8, characterized in that: The mounting sleeve (408) has a hole inside which the limiting rod (517) can move, and the mounting vertical rod (501) has a limiting hole inside which the limiting rod (517) can move. One end of the limiting rod (517) passes through the hole on the mounting sleeve (408) and extends into the upper limit hole of the mounting vertical rod (501).

10. An automatic conveying device for processing automotive parts according to claim 9, characterized in that: The two sets of clamping plates (509) on the hoisting box (502) are both fixed with protective pads on their opposite sides. One side of the protective pad is in contact with one side of the workpiece (510) but is not fixed.

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