Conveying device for automobile bottom guard plate production

Abstract

The invention provides a conveying device for automobile bottom guard plate production, and relates to the field of conveying devices.The conveying device comprises a transfer assembly, the transfer assembly is composed of a displacement mechanism and a rotating mechanism, the transfer assembly has a fixed grabbing mode and a variable grabbing mode, and when the transfer assembly is in the fixed grabbing mode, the variable grabbing mode is changed; the conveying angle of the bottom protection plate on the conveying belt device cannot be changed, the conveying angle of the bottom protection plate on the conveying belt device can be changed in the variable grabbing mode, the angle change of the bottom protection plate can be freely adjusted and controlled, use is convenient, the bottom protection plate can be automatically placed at the proper angle to be conveyed, subsequent production and machining operation is facilitated, and the production efficiency is improved. The problems that in the conveying process of an existing conveying device, the placing angle of the bottom protection plate cannot be changed, machining operation can be carried out only when the bottom protection plate is placed to different angles at different machining stations, and the step is manually adjusted at present and is tedious are solved.

Description

Technical Field

[0001] The invention relates to the technical field of conveying devices, and in particular to a conveying device for producing automobile bottom guard plates. Background Art

[0002] The underbody guard is a protective device installed under the chassis of a car. Its main function is to protect the chassis of the vehicle from damage by external factors. During the production process, the underbody guard needs to be processed one by one between each workstation through a conveying device.

[0003] However, as far as the existing conveying device for the production of automobile underbody guard plates is concerned, it is unable to change the placement angle of the underbody guard plates during the conveying process, and different processing stations may need to place the underbody guard plates at different angles before processing operations can be performed. This step currently still relies on manual adjustment, which is cumbersome, inefficient, and not very practical. Summary of the invention

[0004] The disclosed embodiment relates to a conveying device for producing automobile underbody guard plates, which comprises a transfer component, wherein the transfer component can grab the underbody guard plate on a conveyor belt device and place it on another conveyor belt device for conveying, so as to be transferred to a subsequent processing station for production and processing, and the transfer component has a fixed grabbing mode and a variable grabbing mode. When the transfer component is in the fixed grabbing mode, it will not change the conveying angle of the underbody guard plate on the conveyor belt device. When the transfer component is in the variable grabbing mode, it can change the conveying angle of the underbody guard plate on the conveyor belt device, and the angle change of the underbody guard plate can be freely adjusted. The transfer component is easy to use and can automatically place the underbody guard plate at a suitable angle for conveying, so as to facilitate subsequent production and processing operations, thereby reducing labor input and having high flexibility and practicality.

[0005] In a first aspect of the present disclosure, a conveying device for producing automobile underbody guard plates is provided, which specifically comprises: a mounting assembly and a transfer assembly, wherein the mounting assembly comprises a mounting seat, a driving disc and a driving motor, wherein the driving disc is rotatably connected to the back of the mounting seat, and the driving motor is fixedly installed on the front of the driving disc, wherein the mounting seat is arranged between two conveyor belt devices, and the driving motor and the driving disc are connected through a gear set; The transfer assembly is composed of a displacement mechanism and a rotation mechanism. The displacement mechanism includes a track seat, a positioning rod, a linkage block and a track block. The track seat is longitudinally inserted in the front of the mounting seat, and the positioning rod is rotatably connected to the inside of the track seat, the linkage block is transversely inserted in the inside of the track seat, and the track block is transversely inserted in the inside of the track seat; the rotation mechanism includes a connecting seat, a positioning worm gear, a transmission worm and a switching rod. The connecting seat is fixedly mounted on the outside of the track block, and the positioning worm gear is rotatably connected to the inside of the connecting seat, the transmission worm gear is rotatably connected to the inside of the connecting seat, and the switching rod is inserted into the inside of the connecting seat, and a grabbing suction cup is fixedly mounted on the bottom of the rotating shaft of the positioning worm gear.

[0006] In at least some embodiments, a displacement lever is provided on the back side of the track block, and a displacement guide groove is provided inside the mounting seat, the displacement lever is inserted into the displacement guide groove, a displacement groove is provided on the side of the driving disk, and the rod body portion of the displacement lever passing through the displacement guide groove is inserted into the displacement groove.

[0007] In at least some embodiments, the displacement guide groove is composed of a semicircular transfer groove and two vertically arranged lifting grooves, and the two lifting grooves are respectively connected to the bottom of the groove body on both sides of the transfer groove.

[0008] In at least some embodiments, a rod body of the positioning rod is provided with threads on the outside, and the positioning rod is screwed to the inside of the linkage block through the rod body threads.

[0009] In at least some embodiments, the displacement mechanism also includes a connecting shaft, and the connecting shaft is rotatably connected to the inside of the track block, a linkage gear is provided on the shaft body of the connecting shaft, a linkage rack is provided at the bottom of the linkage block, and the linkage rack is arranged on the moving trajectory of the linkage gear following the track block, and when the track block is located at the rightmost end of the track seat, the linkage rack and the linkage gear are separated from each other.

[0010] In at least some embodiments, a switch top spring is provided on the side of the switch rod, and two ends of the switch top spring are respectively against the side of the switch rod and the side of the connecting seat.

[0011] In at least some embodiments, the rotating mechanism also includes a positioning pin, and a ring-shaped positioning groove is provided on the outside of the rod body of the switching rod, the positioning pin is inserted into the inside of the connecting seat, a synchronous gear is provided on the side of the switching rod, and a synchronous tooth groove is provided on the side of the connecting shaft.

[0012] In at least some embodiments, when the body of the positioning pin is inserted into the positioning groove, the synchronous gear is inserted into the synchronous tooth groove.

[0013] In at least some embodiments, the middle rod body section of the switching rod is a regular polygon, and a driving groove is provided inside the transmission worm, and the rod body portion of the switching rod with a regular polygonal cross-section is inserted into the driving groove.

[0014] The conveying device for producing automobile underbody guard plates provided by the present invention has the following beneficial effects.

[0015] The transfer component can grab the bottom guard plate on the conveyor belt device and place it on another conveyor belt device for transportation, so that it can be transferred to the subsequent processing station for production and processing, and the transfer component has a fixed grabbing mode and a variable grabbing mode. In the fixed grabbing mode, the transfer component will not change the conveying angle of the bottom guard plate on the conveyor belt device. In the variable grabbing mode, it can change the conveying angle of the bottom guard plate on the conveyor belt device, and the angle change of the bottom guard plate can be freely adjusted. It is easy to use and can automatically place the bottom guard plate to a suitable angle for transportation for subsequent production and processing operations, which reduces labor input and improves the flexibility and adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0017] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached picture: Figure 1 It is a structural schematic diagram of the present invention.

[0019] Figure 2 It is a schematic structural diagram of the back side of the present invention.

[0020] Figure 3 It is a schematic diagram of the internal structure when the track block of the present invention is located at the rightmost end of the track seat.

[0021] Figure 4 The present invention Figure 3 Schematic diagram of the enlarged structure of part A in the middle.

[0022] Figure 5 It is a schematic diagram of the structure after the installation assembly of the present invention is disassembled.

[0023] Figure 6 It is a schematic diagram of the structure of the disassembled displacement mechanism of the present invention.

[0024] Figure 7 It is a structural schematic diagram of the disassembled rotating mechanism of the present invention.

[0025] Figure 8 The present invention Figure 2 Schematic diagram of the internal structure when the mid-shift lever moves inside the lifting slot.

[0026] Fig. 9It is a schematic diagram of the internal result when the displacement lever of the present invention moves inside the transfer groove.

[0027] Fig.10 The present invention Fig. 9 Schematic diagram of the enlarged structure of part B in the middle.

[0028] Fig.11 The present invention Figure 3 Schematic diagram of the internal structure when the grabbing suction cup is moved to the far left.

[0029] Fig.12 It is a schematic diagram of the internal structure after the use position of the linkage block is adjusted in the present invention.

[0030] Fig.13 It is a schematic diagram of the internal structure of the present invention after the positioning pin rod is pulled out.

[0031] Fig.14 The present invention Fig.13 Schematic diagram of the enlarged structure of part C in the middle.

[0032] Reference numerals list 1. Mounting assembly; 101. Mounting seat; 1011. Transfer slot; 1012. Lifting slot; 102. Driving disk; 1021. Displacement slot; 103. Driving motor; 2. displacement mechanism; 201. track seat; 202. positioning rod; 203. linkage block; 2031. linkage rack; 204. track block; 2041. displacement lever; 205. connecting shaft; 2051. linkage gear; 2052. synchronous tooth groove; 3. Rotating mechanism; 301. Connecting seat; 302. Positioning worm wheel; 303. Transmission worm; 3031. Driving slot; 304. Switching lever; 3041. Switching top spring; 3042. Positioning slot; 3043. Synchronous gear; 305. Positioning pin; 4. Conveyor belt device. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Please refer to Figures 1 to 14 As shown: Embodiment 1: The present invention provides a conveying device for producing automobile underbody guard plates, comprising a mounting assembly 1 and a transfer assembly, wherein the mounting assembly 1 comprises a mounting seat 101, a driving disc 102 and a driving motor 103, wherein the driving disc 102 is rotatably connected to the back of the mounting seat 101, and the driving motor 103 is fixedly installed on the front of the driving disc 102, the mounting seat 101 is arranged between two conveyor belt devices 4, and the driving motor 103 and the driving disc 102 are connected through a gear set; The transfer assembly is composed of a displacement mechanism 2 and a rotation mechanism 3. The displacement mechanism 2 includes a track seat 201, a positioning rod 202, a linkage block 203 and a track block 204. The track seat 201 is longitudinally inserted into the front of the mounting seat 101, and the positioning rod 202 is rotatably connected to the inside of the track seat 201, the linkage block 203 is transversely inserted into the inside of the track seat 201, and the track block 204 is transversely inserted into the inside of the track seat 201; the rotation mechanism 3 includes a connecting seat 301, a positioning worm wheel 302, a transmission worm 303 and a switching rod 304. The connecting seat 301 is fixedly installed on the outside of the track block 204, and the positioning worm wheel 302 is rotatably connected to the inside of the connecting seat 301, the transmission worm 303 is rotatably connected to the inside of the connecting seat 301, and the switching rod 304 is inserted into the inside of the connecting seat 301, and a grabbing suction cup is fixedly installed at the bottom of the rotating shaft of the positioning worm wheel 302.

[0035] In the embodiment of the present disclosure, a displacement lever 2041 is provided on the back side of the track block 204, and a displacement guide groove is provided inside the mounting seat 101, and the displacement lever 2041 is inserted into the displacement guide groove. A displacement groove 1021 is provided on the side of the driving disk 102, and the rod body portion of the displacement lever 2041 passes through the displacement guide groove and is inserted into the displacement groove 1021. The displacement guide groove is composed of a semicircular transfer groove 1011 and two vertically arranged lifting grooves 1012, and the two lifting grooves 1012 are respectively connected to the bottom of the groove body on both sides of the transfer groove 1011. In use, the transfer assembly can grab the bottom guard plate on the conveyor belt device 4 and place it on another conveyor belt device 4 for transportation. It is convenient and flexible to use. When the track block 204 is located at the rightmost side of the track seat 201, it is in the reset state. In the reset state, the displacement lever 2041 is located at the bottom of the right lifting groove 1012. When the driving motor 10 When the drive plate 102 rotates, the gear set can be used to drive the driving plate 102 to rotate. When the driving plate 102 rotates, the displacement slot 1021 can drive the displacement lever 2041 to move. When the displacement lever 2041 moves, the track seat 201 can move straight up and down along the slot body direction of the lifting slot 1012, thereby realizing the operation of taking and placing the bottom guard plate on the conveyor belt device 4. Under the action of the driving plate 102, when the displacement lever 2041 enters the interior of the transfer slot 1011, under the cooperation of the displacement lever 2041 and the transfer slot 1011, the track seat 201 first rises and then falls until the displacement lever 2041 enters the interior of the lifting slot 1012 in the corresponding direction. In this process, the track block 204 can move laterally inside the track seat 201 to change the use position, thereby realizing the function of transferring the bottom guard plate on one conveyor belt device 4 to another conveyor belt device 4 for continued transportation, which is convenient and flexible to use.

[0036] In the disclosed embodiment, the rotating mechanism 3 further includes a positioning pin 305, and a ring-shaped positioning groove 3042 is provided on the outside of the rod body of the switching rod 304, the positioning pin 305 is inserted into the inside of the connecting seat 301, a synchronous gear 3043 is provided on the side of the switching rod 304, and a synchronous tooth groove 2052 is provided on the side of the connecting shaft 205. When the column body of the positioning pin 305 is inserted into the positioning groove 3042, the synchronous gear 3043 is inserted into the synchronous tooth groove 2052. In use, the transfer component has a fixed grasping mode and a variable grasping mode. When the positioning pin 305 is pulled out of the positioning groove 3042, the transfer component is in the fixed grasping mode. A switching top spring 3041 is provided on the side of the switching rod 304. The two ends of the switching top spring 3041 respectively abut against the side of the switching rod 304 and the side of the connecting seat 301. After the positioning pin 305 is pulled out, the limiting effect of the positioning pin 305 on the switching rod 304 through the positioning groove 3042 will also disappear. Therefore, under the action of the switching top spring 3041, the switching rod 304 will move outward, so that the synchronous gear 3043 will disengage from the interior of the synchronous tooth groove 2052. Therefore, the connecting shaft 205 cannot drive the switching rod 304 to rotate when it rotates, so that the use angle of the positioning worm gear 302 will not change. Because the worm gear has the characteristic of self-locking, the transfer angle of the bottom plate will not change in the fixed grasping mode, which can adapt to the conveying operation of the bottom guard plate with different requirements, and the switching is fast and convenient.

[0037] In the embodiment of the present disclosure, the displacement mechanism 2 also includes a connecting shaft 205, and the connecting shaft 205 is rotatably connected to the inside of the track block 204. A linkage gear 2051 is provided on the shaft body of the connecting shaft 205, and a linkage rack 2031 is provided at the bottom of the linkage block 203, and the linkage rack 2031 is arranged on the movement trajectory of the linkage gear 2051 following the track block 204. When the track block 204 is located at the rightmost end of the track seat 201, the linkage rack 2031 and the linkage gear 2051 are separated from each other. In use, when the positioning pin 305 is inserted into the inside of the positioning groove 3042, the transfer component is in a change grabbing mode. At this time, the synchronous gear 3043 is inserted into the inside of the synchronous tooth groove 2052, so that when the transfer component is grabbing and transferring the bottom guard plate, the linkage gear 2051 can mesh with the linkage rack 2031 at the bottom of the linkage block 203 when following the track block 204 to move laterally inside the track seat 201. The transmission is combined, so that the linkage gear 2051 can drive the connecting shaft 205 to rotate. When the connecting shaft 205 rotates, the synchronous tooth groove 2052 can drive the switching rod 304 to rotate through the synchronous gear 3043. The middle rod body cross-section of the switching rod 304 is a regular polygon, and the driving worm 303 is provided with a driving groove 3031 inside. The rod body part of the switching rod 304 with a regular polygonal cross-section is inserted into the driving groove 3031. When the switching rod 304 rotates, it can drive the driving worm 303 to rotate through the driving groove 3031. When the driving worm 303 rotates, it can drive the positioning worm wheel 302 to rotate. When the positioning worm wheel 302 rotates, the angle of the bottom guard plate grasped by the grasping suction cup at the bottom can be changed without manual regulation. When the driving disk 102 rotates forward, the positioning worm wheel 302 also rotates forward for adjustment. When the driving disk 102 rotates reversely, the positioning worm wheel 302 can automatically reverse and reset, so as to continuously transfer the bottom guard plate and adjust the conveying angle, which is flexible and convenient to use.

[0038] In the disclosed embodiment, the outside of the rod body of the positioning rod 202 is provided with a thread, and the positioning rod 202 is screwed to the inside of the linkage block 203 through the rod body thread. During use, in the variable grasping mode, the angle change of the bottom guard plate during transfer can be freely adjusted. When the positioning rod 202 is rotated, the positioning rod 202 can drive the linkage block 203 to move inside the track seat 201 through the rod body thread. Since the maximum moving distance of the track block 204 inside the track seat 201 is fixed, the change in the use position of the linkage block 203 changes the maximum number of circles that the linkage rack 2031 can drive the linkage gear 2051 to rotate when the track block 204 moves, that is, the maximum rotation angle of the positioning worm gear 302, that is, the angle change of the bottom guard plate during transfer, which can adapt to the positioning operation during the production and processing of different bottom guard plates and has strong adaptability.

[0039] Specific usage and function of this embodiment: In the present invention, the transfer assembly can grab the bottom guard plate on the conveyor belt device 4 and place it on another conveyor belt device 4 for transportation. It is easy and flexible to use. When the track block 204 is located at the rightmost side of the track seat 201, it is in the reset state. In the reset state, the displacement lever 2041 is located at the bottom of the right lifting groove 1012. When the drive motor 103 rotates, it can drive the drive disk 102 to rotate through the gear set. When the drive disk 102 rotates, the displacement groove 1021 can drive the displacement lever 2041 to move. When the displacement lever 2041 moves, it drives the track seat 201 to move straight up and down along the groove body direction of the lifting groove 1012, thereby realizing the pick-up and place operations of the bottom guard plate on the conveyor belt device 4. Under the action of the driving disk 102, when the displacement lever 2041 enters the interior of the transfer groove 1011, under the cooperation of the displacement lever 2041 and the transfer groove 1011, the track seat 201 first rises and then falls until the displacement lever 2041 enters the interior of the lifting groove 1012 in the corresponding direction, and in this process, the track block 204 can move laterally inside the track seat 201 to change the use position, thereby realizing the function of transferring the bottom guard plate on one of the conveyor belt devices 4 to another conveyor belt device 4 for continued transportation. The transfer component has a fixed grasping mode and a variable grasping mode. When the positioning pin 305 is inserted into the interior of the positioning groove 3042, the transfer component is in the variable grasping mode. At this time, the synchronous gear 3043 is inserted in the synchronous gear 3043. The inside of the tooth groove 2052, so that when the transfer component is grabbing and transferring the bottom guard plate, the linkage gear 2051 can mesh with the linkage rack 2031 at the bottom of the linkage block 203 when following the track block 204 to move laterally inside the track seat 201, so that the linkage gear 2051 can drive the connecting shaft 205 to rotate, and when the connecting shaft 205 rotates, the synchronous tooth groove 2052 can drive the switching rod 304 to rotate through the synchronous gear 3043, and when the switching rod 304 rotates, it can drive the transmission worm 303 to rotate through the driving groove 3031, and when the transmission worm 303 rotates, it can drive the positioning worm wheel 302 to rotate, and when the positioning worm wheel 302 rotates, it can change the bottom of the bottom guard plate grabbed by the grabbing suction cup. When the driving disk 102 rotates forward, the positioning worm wheel 302 can also be adjusted in the forward direction. When the driving disk 102 rotates reversely, the positioning worm wheel 302 can automatically reverse and reset, and can continuously transfer and adjust the conveying angle of the bottom guard plate. In the variable grabbing mode, the angle change of the bottom guard plate during transfer can be freely adjusted. When the positioning rod 202 is rotated, the positioning rod 202 can drive the linkage block 203 to move inside the track seat 201 through the rod body thread. Since the maximum moving distance of the track block 204 inside the track seat 201 is fixed, the change in the use position of the linkage block 203 changes the maximum number of circles that the linkage rack 2031 can drive the linkage gear 2051 to rotate when the track block 204 moves.That is, the maximum rotation angle of the positioning worm wheel 302, that is, the size of the angle change of the bottom guard plate during transfer, can adapt to the positioning operation during the production and processing of different bottom guard plates. When the positioning pin 305 is pulled out of the positioning groove 3042, the transfer assembly is in a fixed grasping mode. After the positioning pin 305 is pulled out, its limiting effect on the switching rod 304 through the positioning groove 3042 will also disappear, so that under the action of the switching top spring 3041, the switching rod 304 will move outward, so that the synchronous gear 3043 will be out of the synchronous tooth groove 2052, so that the connecting shaft 205 can not drive the switching rod 304 to rotate when rotating, so that the use angle of the positioning worm wheel 302 will not change. Because the worm gear has the characteristic of self-locking, the transfer angle of the bottom plate will not change in the fixed grasping mode, which can adapt to the conveying operation of the bottom guard plate with different requirements.

[0040] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0041] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0042] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A conveying device for producing automobile underbody panels, characterized in that: include: A mounting assembly (1) and a transfer assembly, wherein the mounting assembly (1) comprises a mounting seat (101), a drive disk (102) and a drive motor (103), wherein the drive disk (102) is rotatably connected to the back of the mounting seat (101), and the drive motor (103) is fixedly mounted on the front of the drive disk (102), the mounting seat (101) is arranged between two conveyor belt devices (4), and the drive motor (103) and the drive disk (102) are connected via a gear train; The transfer assembly is composed of a displacement mechanism (2) and a rotation mechanism (3); the displacement mechanism (2) comprises a track seat (201), a positioning rod (202), a linkage block (203) and a track block (204); the track seat (201) is longitudinally plugged into the front face of the mounting seat (101), the positioning rod (202) is rotationally connected to the inside of the track seat (201), the linkage block (203) is transversely plugged into the inside of the track seat (201), and the track block (204) is transversely plugged into the inside of the track seat (201); The rotating mechanism (3) comprises a connecting seat (301), a positioning worm wheel (302), a transmission worm (303) and a switching rod (304); the connecting seat (301) is fixedly mounted on the outside of the track block (204); the positioning worm wheel (302) is rotationally connected to the inside of the connecting seat (301); the transmission worm (303) is rotationally connected to the inside of the connecting seat (301); and the switching rod (304) is plugged into the inside of the connecting seat (301); a grabbing suction cup is fixedly mounted on the bottom of the rotating shaft of the positioning worm wheel (302).

2. A conveying device for producing automobile underbody panels as claimed in claim 1, characterized in that: A displacement lever (2041) is provided on the back side of the track block (204), and a displacement guide groove is provided inside the mounting seat (101), the displacement lever (2041) is inserted into the displacement guide groove, a displacement groove (1021) is provided on the side of the driving disc (102), and the displacement lever (2041) passes through the rod body portion of the displacement guide groove and is inserted into the displacement groove (1021).

3. A conveying device for producing automobile underbody panels as claimed in claim 2, characterized in that: The displacement guide groove is composed of a semicircular transfer groove (1011) and two vertically arranged lifting grooves (1012), and the two lifting grooves (1012) are respectively connected to the bottom of the groove body on both sides of the transfer groove (1011).

4. A conveying device for producing automobile underbody panels as claimed in claim 3, characterized in that: The rod body of the positioning rod (202) is provided with threads on the outside, and the positioning rod (202) is screwed to the inside of the linkage block (203) via the rod body threads.

5. A conveying device for producing automobile underbody panels as claimed in claim 4, characterized in that: The displacement mechanism (2) further comprises a connecting shaft (205), and the connecting shaft (205) is rotatably connected to the inside of the track block (204); a linkage gear (2051) is provided on the shaft body of the connecting shaft (205); a linkage rack (2031) is provided at the bottom of the linkage block (203); and the linkage rack (2031) is arranged on a movement track of the linkage gear (2051) following the track block (204); when the track block (204) is located at the rightmost end of the track seat (201), the linkage rack (2031) and the linkage gear (2051) are separated from each other.

6. A conveying device for producing automobile underbody panels as claimed in claim 5, characterized in that: A switching top spring (3041) is provided on the side of the switching rod (304), and two ends of the switching top spring (3041) respectively abut against the side of the switching rod (304) and the side of the connecting seat (301).

7. A conveying device for producing automobile underbody panels as claimed in claim 6, characterized in that: The rotating mechanism (3) further comprises a positioning pin (305), and a positioning groove (3042) arranged in an annular manner is provided on the outside of the rod body of the switching rod (304), the positioning pin (305) is plugged into the inside of the connecting seat (301), a synchronous gear (3043) is provided on the side of the switching rod (304), and a synchronous tooth groove (2052) is provided on the side of the connecting shaft (205).

8. A conveying device for producing automobile underbody panels as claimed in claim 7, characterized in that: When the body of the positioning pin (305) is inserted into the positioning groove (3042), the synchronous gear (3043) is inserted into the synchronous tooth groove (2052).

9. A conveying device for producing automobile underbody panels as claimed in claim 8, characterized in that: The middle rod body section of the switching rod (304) is a regular polygon, and a driving groove (3031) is provided inside the transmission worm (303), and the rod body portion of the switching rod (304) with a regular polygonal cross section is inserted into the driving groove (3031).

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