Anti-explosion piece assembling pre-welding machine

Abstract

The utility model provides an anti-explosion piece assembling pre-welding machine. The anti-explosion piece assembling pre-welding machine comprises a machine box. The annular conveying mechanism is installed on the machine box, and the annular conveying mechanism is sequentially provided with an aluminum plate feeding station, an aluminum plate detecting and turning-over station, an aluminum plate reversing station and an aluminum plate marking station from the front left portion to the rear left portion. A backflow station, an aluminum plate turn-over station, an anti-explosion piece feeding station and an aluminum plate discharging station are sequentially arranged on the annular conveying mechanism from the rear right portion to the front right portion; the conveying carrier is mounted on the annular conveying mechanism; the aluminum plate feeding and discharging carrying manipulator, the aluminum plate photographing detection mechanism, the first turn-over mechanism, the aluminum plate reversing mechanism, the marking mechanism, the second turn-over mechanism, the anti-explosion piece feeding mechanism and the transfer conveying mechanism are arranged beside the annular conveying mechanism; the pre-spot welding mechanism is arranged beside the transfer conveying mechanism; according to the design, the procedures of aluminum plate marking, anti-explosion piece assembling and anti-explosion piece pre-welding can be efficiently completed, and a foundation is laid for follow-up machining.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof valve processing equipment, in particular to an explosion-proof sheet assembly pre-welding machine. Background Art

[0002] The explosion-proof sheet is an important component of the explosion-proof valve. The explosion-proof sheet needs to be welded on the aluminum plate, and high precision of the welding machine is required, otherwise it cannot meet the processing standards. The aluminum plate is fed from the previous process. Before welding the aluminum plate and the explosion-proof sheet, it is necessary to first confirm whether the front and back sides of the aluminum plate are correct and the direction is correct, and adjust the front and back and direction of the aluminum plate. The front side of the aluminum plate also needs to be laser marked in this process. The explosion-proof sheet is installed on the back side of the aluminum plate for welding. Therefore, the direction of the aluminum plate needs to be adjusted multiple times. In order to provide a basis for the subsequent welding step, the explosion-proof sheet also needs to be pre-welded on the aluminum plate in this process. Otherwise, defects such as the explosion-proof sheet falling off or being damaged are likely to occur during the feeding process, affecting the subsequent processing. At present, there is no equipment with the above functions. Content of the Utility Model

[0003] The purpose of the utility model is to provide an explosion-proof sheet assembly pre-welding machine to solve the problems mentioned in the background art.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] An explosion-proof sheet assembly pre-welding machine, including the following structures:

[0006] A chassis;

[0007] An annular conveying mechanism, installed on the chassis. The annular conveying mechanism includes an aluminum plate loading station, an aluminum plate detecting and turning-over station, an aluminum plate reversing station and an aluminum plate marking station in sequence from the left front to the left rear; the annular conveying mechanism includes a return station, an aluminum plate turning-over station, an explosion-proof sheet loading station and an aluminum plate unloading station in sequence from the right rear to the right front;

[0008] Six sets of conveying carriers; the six sets of conveying carriers are installed on the annular conveying mechanism and are controlled to circulate and transport through the annular conveying mechanism;

[0009] An aluminum plate loading and unloading handling manipulator, installed on the chassis and located in front of the aluminum plate loading station and the aluminum plate unloading station;

[0010] An aluminum plate photographing and detecting mechanism, installed on the chassis and located beside the aluminum plate detecting and turning-over station;

[0011] A first turning-over mechanism, arranged at the aluminum plate detecting and turning-over station, used for turning over the aluminum plate at the aluminum plate detecting and turning-over station;

[0012] The aluminum plate commutation mechanism is installed on the chassis and beside the aluminum plate commutation station, and is used to commutate the aluminum plates at the aluminum plate commutation station;

[0013] The marking mechanism is installed on the chassis and beside the marking station;

[0014] The second turning-over mechanism is arranged at the aluminum plate turning-over station and is used to turn over the aluminum plates at the aluminum plate turning-over station;

[0015] The explosion-proof film feeding mechanism is installed on the chassis and beside the explosion-proof film feeding station;

[0016] The transfer and conveying mechanism is installed on the chassis and on the right side of the aluminum plate discharging station, and is used to pick up the aluminum plates at the aluminum plate discharging station and convey them to the right;

[0017] The pre-spot welding mechanism is installed on the chassis and in the middle of the transfer and conveying mechanism;

[0018] For further description of the present utility model, the ring-shaped conveying mechanism includes a frame body, a first horizontal conveying device installed on the front side of the frame body, a first longitudinal conveying guide rail installed on the left side of the frame body, a second horizontal conveying device installed on the rear side of the frame body, a second longitudinal conveying guide rail installed on the right side of the frame body, longitudinal conveyor belts installed on the left and right sides of the frame body, and a conveyor belt driving device installed on the frame body for controlling the movement of the longitudinal conveyor belts; the first horizontal conveying device includes a horizontal driving cylinder, a sliding plate and a first positioning cylinder; the horizontal driving cylinder is installed on the frame body and the power output end is connected to the sliding plate; the sliding plate is slidably connected to the frame body through a guide rail pair left and right; a third longitudinal conveying guide rail is arranged above the sliding plate; the first positioning cylinder is installed in the middle of the sliding plate and the power output end is connected with a first positioning rod; the structure of the second horizontal conveying device is the same as that of the first horizontal conveying device; a number of first tooth blocks are installed on the longitudinal conveyor belts; second positioning cylinders are installed on the frame body corresponding to the positions of the aluminum plate detection and turning-over station, the aluminum plate commutation station, the aluminum plate turning-over station and the explosion-proof film feeding station; the power output end of the second positioning cylinder is connected with a second positioning rod; longitudinal sliding blocks and positioning holes are arranged at the bottom of the conveying carrier, and second tooth blocks are arranged on the left and right sides respectively; the longitudinal sliding blocks are used for sliding cooperation with the first longitudinal conveying guide rail, the second longitudinal conveying guide rail and the third longitudinal conveying guide rail; the positioning holes are used for positioning cooperation with the first positioning rod and the second positioning rod; the second tooth blocks can slide into the first tooth blocks to cooperate with the first tooth blocks for positioning.

[0019] For further description of the present utility model, the first turning-over mechanism includes a fixed plate, a first Z-direction cylinder, a lifting frame, a Y-direction driving device, a connecting frame, a left turning-over clamping device and a right turning-over clamping device; the fixed plate is installed on the annular conveying mechanism; the first Z-direction cylinder is installed on the fixed plate and its power output end is connected to the lifting frame; the Y-direction driving device is installed on the lifting frame and its power output end is connected to the connecting frame; the left turning-over clamping device and the right turning-over clamping device are installed on the connecting frame in a left-right distribution; the left turning-over clamping device includes a first X-direction cylinder, a first mounting plate, two first rotating cylinders and two left clamping blocks; the first X-direction cylinder is installed on the connecting frame and its power output end is connected to the first mounting plate; the two first rotating cylinders are installed on the first mounting plate in a left-right distribution and their power output ends are respectively connected to one end of the left clamping blocks; the other end of the left clamping block is provided with a first clamping groove; the right turning-over clamping device includes a second X-direction cylinder, a second mounting plate and two right clamping blocks; the second X-direction cylinder is installed on the connecting frame and its power output end is connected to the second mounting plate; one ends of the two right clamping blocks are respectively rotatably connected to the second mounting plate, and the other ends are provided with second clamping grooves; the right clamping blocks and the left clamping blocks are arranged oppositely; the structure of the second turning-over mechanism is the same as that of the first turning-over mechanism.

[0020] For further description of the present utility model, the aluminum plate commutation mechanism includes a second mounting frame, a Y-axis module, a second Z-direction cylinder, a second rotating cylinder and a suction head; the second mounting frame is fixed on the machine case; the Y-axis module is installed on the second mounting frame and its power output end is connected to the second Z-direction cylinder; the power output end of the second Z-direction cylinder is connected to the second rotating cylinder; the power output end of the second rotating cylinder is connected to the suction head.

[0021] For further description of the present utility model, a pressing device is provided at the position of the explosion-proof sheet loading station; the pressing device includes a third Z-direction cylinder fixed on the annular conveying mechanism and a pressing plate installed at the power output end of the third Z-direction cylinder; the pressing plate is provided with clearance holes; the clearance holes are used for clearance of the position where the explosion-proof sheet is installed.

[0022] For further description of the present utility model, the transfer conveying mechanism includes an X-axis module installed on the machine case and a carrier installed on the X-axis module.

[0023] The beneficial effects of the present utility model are as follows:

[0024] In this design, an aluminum plate loading and unloading manipulator picks up the aluminum plate from the previous process and places it on the conveying carrier at the aluminum plate loading station. The conveying carrier is conveyed through a circular conveying mechanism. In the aluminum plate photographing and inspection station, the aluminum plate is photographed by an aluminum plate photographing and inspection mechanism to detect whether the front and back sides of the aluminum plate and its direction are correct. If the aluminum plate has its back side facing up, it is turned over by a first turning mechanism. If it has its front side facing up, it continues to be conveyed. In the aluminum plate direction-changing station, if the detected direction of the aluminum plate is inaccurate, it is conveyed backward after being changed in direction by an aluminum plate direction-changing mechanism. If it is correct, it is directly conveyed. In the aluminum plate marking station, the front side of the aluminum plate is marked by a marking mechanism. In the aluminum plate turning station, the aluminum plate is turned over by a second turning mechanism so that its bottom side faces up. In the explosion-proof film loading station, an explosion-proof film is placed on the aluminum plate by an explosion-proof film loading mechanism. At the aluminum plate unloading station, the aluminum plate is transported to a transfer conveying mechanism by the aluminum plate loading and unloading manipulator. During the transportation by the transfer conveying mechanism, the explosion-proof film is spot-welded by a pre-spot welding mechanism, and spot welding is carried out at the right and left positions successively to pre-fix the explosion-proof film on the aluminum plate. When the transfer conveying mechanism transports the product to the right end, it waits for the next process to pick up the material. This design can efficiently complete the aluminum plate marking, explosion-proof film assembly, and explosion-proof film pre-welding processes, laying a foundation for subsequent processing. Brief Description of the Drawings

[0025] Figure 1 is a top view of the overall structure of the present utility model;

[0026] Figure 2 is a structural diagram of the circular conveying mechanism, conveying carrier, first turning mechanism, and second turning mechanism of the present utility model;

[0027] Figure 3 is a partial structural diagram of the first horizontal conveying device of the present utility model;

[0028] Figure 4 is a structural diagram of the second positioning cylinder and the pressing device in the explosion-proof film loading station of the present utility model;

[0029] Figure 5 is a structural diagram of the conveying carrier of the present utility model;

[0030] Figure 6 is a structural diagram of the conveying carrier in the upward viewing direction of the present utility model;

[0031] Figure 7 is a structural diagram of the first turning mechanism of the present utility model;

[0032] Figure 8 is a structural diagram of the aluminum plate direction-changing mechanism of the present utility model;

[0033] Figure 9 is a structural diagram of the transfer conveying mechanism and the pre-spot welding mechanism of the present utility model. Detailed implementation mode

[0034] The present utility model will be further described below in conjunction with the accompanying drawings:

[0035] As Figures 1-9 shown, an explosion-proof sheet assembly pre-welding machine includes the following structures:

[0036] Machine case 1;

[0037] As Figures 2-4 shown, a ring-shaped conveying mechanism 2 is installed on the machine case 1. The ring-shaped conveying mechanism 2 is successively an aluminum plate loading station 01, an aluminum plate detection and turning-over station 02, an aluminum plate reversing station 03 and an aluminum plate marking station 04 from the front left to the back left; the ring-shaped conveying mechanism 2 is successively a return station 05, an aluminum plate turning-over station 06, an explosion-proof sheet loading station 07 and an aluminum plate unloading station 08 from the back right to the front right; the ring-shaped conveying mechanism 2 includes a frame 201, a first horizontal conveying device 202 installed on the front side of the frame 201, a first longitudinal conveying guide rail 203 installed on the left side of the frame 201, a second horizontal conveying device 204 installed on the rear side of the frame 201, a second longitudinal conveying guide rail 205 installed on the right side of the frame 201, longitudinal conveyor belts 206 installed on the left and right sides of the frame 201, and a conveyor belt driving device 207 installed on the frame 201 for controlling the movement of the longitudinal conveyor belts 206; the first horizontal conveying device 202 includes a horizontal driving cylinder 2021, a sliding plate 2022 and a first positioning cylinder 2023; the horizontal driving cylinder 2021 is installed on the frame 201 and the power output end is connected to the sliding plate 2022; the sliding plate 2022 is slidably connected to the frame 201 through a guide rail pair left and right; a third longitudinal conveying guide rail 2022-1 is arranged above the sliding plate 2022; the first positioning cylinder 2023 is installed in the middle of the sliding plate 2022 and the power output end is connected with a first positioning rod 2023-1; the structure of the second horizontal conveying device 204 is the same as that of the first horizontal conveying device 202; a plurality of first tooth blocks 2061 are installed on the longitudinal conveyor belts 206; second positioning cylinders 208 are installed at positions corresponding to the aluminum plate detection and turning-over station 02, the aluminum plate reversing station 03, the aluminum plate turning-over station 06 and the explosion-proof sheet loading station 07 on the frame 201; the power output end of the second positioning cylinder 208 is connected with a second positioning rod 2081; when the horizontal driving cylinder 2021 controls the sliding plate 2022 to move leftward, the third longitudinal conveying guide rail 2022-1 is butted with the first longitudinal conveying guide rail 203, and when moving rightward, it is butted with the second longitudinal conveying guide rail 205.

[0038] As Figure 2 、 5As shown in FIGS. 6, there are six groups of conveying carriers 3; the six groups of conveying carriers 3 are installed on the annular conveying mechanism 2 and are controlled by the annular conveying mechanism 2 for cyclic transportation; the bottom of the conveying carrier 3 is provided with a longitudinal slider 301 and a positioning hole 302, and second tooth blocks 303 are respectively arranged on the left and right sides; the longitudinal slider 301 is used for slidingly cooperating with the first longitudinal conveying guide rail 203, the second longitudinal conveying guide rail 205 and the third longitudinal conveying guide rail 2022-1; the positioning hole 302 is used for positioning in cooperation with the first positioning rod 2023-1 and the second positioning rod 2081; the second tooth block 303 can slide into the first tooth block 2061 to cooperate with the first tooth block 2061 for positioning. In this design, each group of conveying carriers 3 is provided with four positioning parts distributed front and back, and two positioning pins 304 are arranged on each positioning part in a left-right distribution. Each conveying carrier 3 can carry four products. In the first transverse conveying device 202 and the second transverse conveying device 204, the first positioning cylinder 2023 drives the first positioning rod 2023-1 to rise and extend into the positioning hole 302 to position the conveying carrier 3, and then the transverse driving cylinder 2021 drives the conveying carrier 3 to move left and right. The second tooth block 303 of the conveying carrier 3 cooperates with the first tooth block 2061 of the longitudinal conveyor belt 206, so that the longitudinal conveyor belt 206 can drive the conveying carrier 3 to move longitudinally during the conveying process. When the conveying carrier 3 is controlled to move longitudinally by the longitudinal conveyor belt 206 and moves to the positions of the aluminum plate detection and turning-over station 02, the aluminum plate commutation station 03, the aluminum plate turning-over station 06 and the explosion-proof sheet loading station 07, the second positioning cylinder 208 controls the second positioning rod 2081 to rise and extend into the positioning hole 302 to position the conveying carrier 3, improving the position accuracy of the conveying carrier 3 at each station.

[0039] As Figure 1 shown, the aluminum plate loading and unloading handling robot 4 is installed on the chassis 1 and is located on the front side of the aluminum plate loading station 01 and the aluminum plate unloading station 08. The aluminum plate loading and unloading handling robot 4 is used to carry the aluminum plates of the previous process to the conveying carrier 3 at the aluminum plate loading station 01, and to take out the products in the conveying carrier 3 at the aluminum plate unloading station 08, and can carry four products at a time.

[0040] As Figure 1 shown, the aluminum plate photographing and detecting mechanism 5 is installed on the chassis 1 and is located beside the aluminum plate detection and turning-over station 02, and is used for photographing and detecting whether the front and back sides and the direction of the aluminum plate are correct;

[0041] As Figure 7As shown in the figure, the first turning mechanism 6 is arranged at the aluminum plate detection and turning station 02 and is used to turn over the aluminum plates at the aluminum plate detection and turning station 02; the first turning mechanism 6 includes a fixed plate 601, a first Z-direction cylinder 602, a lifting frame 603, a Y-direction driving device 604, a connecting frame 605, a left turning clamping device 606 and a right turning clamping device 607; the fixed plate 601 is installed on the annular conveying mechanism 2; the first Z-direction cylinder 602 is installed on the fixed plate 601 and its power output end is connected to the lifting frame 603; the Y-direction driving device 604 is installed on the lifting frame 603 and its power output end is connected to the connecting frame 605; the left turning clamping device 606 and the right turning clamping device 607 are installed on the connecting frame 605 in a left-right distribution; the left turning clamping device 606 includes a first X-direction cylinder 6061, a first mounting plate 6062, two first rotary cylinders 6063 and two left clamping blocks 6064; the first X-direction cylinder 6061 is installed on the connecting frame 605 and its power output end is connected to the first mounting plate 6062; the two first rotary cylinders 6063 are installed on the first mounting plate 6062 in a left-right distribution and their power output ends are respectively connected to one end of the left clamping block 6064; the other end of the left clamping block 6064 is provided with a first clamping groove 6064-1; the right turning clamping device 607 includes a second X-direction cylinder 6071, a second mounting plate 6072 and two right clamping blocks 6073; the second X-direction cylinder 6071 is installed on the connecting frame 605 and its power output end is connected to the second mounting plate 6072; one ends of the two right clamping blocks 6073 are respectively rotatably connected to the second mounting plate 6072, and the other ends are provided with a second clamping groove 6073-1; the right clamping block 6073 is arranged opposite to the left clamping block 6064. By respectively controlling the first mounting plate 6062 and the second mounting plate 6072 to move synchronously towards the inside by the first X-direction cylinder 6061 and the second X-direction cylinder 6071, the first clamping groove 6064-1 of the left clamping block 6064 is stuck to the left end of the aluminum plate, and the second clamping groove 6073-1 of the right clamping block 6073 is stuck to the right end of the aluminum plate. The first Z-direction cylinder 602 controls the lifting frame 603 to rise and drive the aluminum plate to rise. Then, the first rotary cylinder 6063 controls the left clamping block 6064 to rotate 180°, driving the product to turn over. The first Z-direction cylinder 602 controls the lifting frame 603 to descend and put the aluminum plate back onto the conveying carrier 3. Two sets of left clamping blocks 6064 and right clamping blocks 6073 are provided, which can turn over two of the aluminum plates. After the Y-direction driving device 604 controls the connecting frame 605 to move along the longitudinal direction, the other two aluminum plates can be turned over. When the aluminum plate photographing and detecting mechanism 5 detects that the front side of the aluminum plate faces up, the first turning mechanism 6 does not work. When it detects that the back side of the aluminum plate faces up, it works, and only controls the aluminum plate with the back side facing up to turn over to the front side facing up.

[0042] As Figure 8As shown, the aluminum plate commutation mechanism 7 is installed on the chassis 1 and beside the aluminum plate commutation station 03, and is used to commutate the aluminum plates at the aluminum plate commutation station 03; the aluminum plate commutation mechanism 7 includes a second mounting frame 701, a Y-axis module 702, a second Z-direction cylinder 703, a second rotary cylinder 704, and a suction head 705; the second mounting frame 701 is fixed on the chassis 1; the Y-axis module 702 is installed on the second mounting frame 701 and its power output end is connected to the second Z-direction cylinder 703; the power output end of the second Z-direction cylinder 703 is connected to the second rotary cylinder 704; the power output end of the second rotary cylinder 704 is connected to the suction head 705. When the aluminum plate photographing and detecting mechanism 5 detects that the direction of the aluminum plate is incorrect, the aluminum plate commutation mechanism 7 works, sucks up the aluminum plate, commutates it, and then places it back on the conveying carrier 3. If the direction is correct, it does not work.

[0043] As Figure 1 shown, the marking mechanism 8 is installed on the chassis 1 and beside the marking station. In this design, two groups of the marking mechanism 8 are arranged front and back to improve work efficiency.

[0044] As Figures 1-2 shown, the second turning-over mechanism 9 is arranged at the aluminum plate turning-over station 06, and has the same structure as the first turning-over mechanism 6. It is used to turn over the aluminum plates at the aluminum plate turning-over station 06. The second turning-over mechanism 9 turns over all the aluminum plates passing through the aluminum plate turning-over station 06, making the reverse side of the aluminum plate face up, preparing for the installation of the explosion-proof sheet.

[0045] As Figure 1 shown, the explosion-proof sheet feeding mechanism 10 is installed on the chassis 1 and beside the explosion-proof sheet feeding station 07; there is a pressing device 209 at the position of the explosion-proof sheet feeding station 07; the pressing device 209 includes a third Z-direction cylinder 2091 fixed on the annular conveying mechanism 2 and a pressing plate 2092 installed at the power output end of the third Z-direction cylinder 2091; there is an avoidance hole 2092-1 on the pressing plate 2092; the avoidance hole 2092-1 is used to avoid the position where the explosion-proof sheet is installed. The pressing plate 2092 is controlled by the third Z-direction cylinder 2091 to press down and tightly hold above the aluminum plate, and then the explosion-proof sheet feeding mechanism 10 places the explosion-proof sheet on the aluminum plate.

[0046] As Figure 9 shown, the transfer conveying mechanism 11 is installed on the chassis 1 and on the right side of the aluminum plate discharging station 08, and is used to pick up the aluminum plates at the aluminum plate discharging station 08 and convey them to the right; the transfer conveying mechanism 11 includes an X-axis module 1101 installed on the chassis 1 and a carrier 1102 installed on the X-axis module 1101. The aluminum plate loading and unloading handling robot 4 takes out the products on the conveying carrier 3 at the aluminum plate discharging station 08 and places them on the carrier 1102 of the transfer conveying mechanism 11. The carrier 1102 also has four positioning parts and transports four products to the right after loading.

[0047] As Figure 9 shown, the pre-spot welding mechanism 12 is installed on the chassis 1 and located in the middle of the transfer conveyor mechanism 11. During the process of the transfer conveyor mechanism 11 conveying the product, it passes through the pre-spot welding mechanism 12, and the right and left parts of the explosion-proof sheet are successively spot-welded through the pre-spot welding mechanism 12 to pre-fix the explosion-proof sheet on the aluminum plate, providing a basis for subsequent processes.

[0048] The above description does not impose any limitation on the technical scope of the present invention. Any modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. An explosion-proof film assembly pre-welding machine, characterized in that: It includes the following structures: Cabinet; An annular conveying mechanism, installed on the cabinet. The annular conveying mechanism includes an aluminum plate loading station, an aluminum plate inspection and turning station, an aluminum plate reversing station, and an aluminum plate marking station in sequence from the front left to the back left; from the back right to the front right, the annular conveying mechanism includes a return station, an aluminum plate turning station, an explosion-proof film loading station, and an aluminum plate unloading station; Six groups of conveying carriers; the six groups of conveying carriers are installed on the annular conveying mechanism and are controlled to circulate and transport through the annular conveying mechanism; An aluminum plate loading and unloading handling manipulator, installed on the cabinet and located on the front side of the aluminum plate loading station and the aluminum plate unloading station; An aluminum plate photographing and inspecting mechanism, installed on the cabinet and located beside the aluminum plate inspection and turning station; A first turning mechanism, arranged at the aluminum plate inspection and turning station, used for turning the aluminum plate at the aluminum plate inspection and turning station; An aluminum plate reversing mechanism, installed on the cabinet and located beside the aluminum plate reversing station, used for reversing the aluminum plate at the aluminum plate reversing station; A marking mechanism, installed on the cabinet and located beside the marking station; A second turning mechanism, arranged at the aluminum plate turning station, used for turning the aluminum plate at the aluminum plate turning station; An explosion-proof film loading mechanism, installed on the cabinet and located beside the explosion-proof film loading station; A transfer conveying mechanism, installed on the cabinet and located on the right side of the aluminum plate unloading station, used for picking up the aluminum plate at the aluminum plate unloading station and conveying it to the right; A pre-spot welding mechanism, installed on the cabinet and located in the middle of the transfer conveying mechanism.

2. The pre-welding machine for assembling explosion-proof sheets according to claim 1, wherein: The annular conveying mechanism includes a frame body, a first horizontal conveying device installed on the front side of the frame body, a first longitudinal conveying guide rail installed on the left side of the frame body, a second horizontal conveying device installed on the back side of the frame body, a second longitudinal conveying guide rail installed on the right side of the frame body, longitudinal conveyor belts installed on the left and right sides of the frame body, and a conveyor belt driving device installed on the frame body for controlling the movement of the longitudinal conveyor belts; the first horizontal conveying device includes a horizontal driving cylinder, a sliding plate, and a first positioning cylinder; the horizontal driving cylinder is installed on the frame body and the power output end is connected to the sliding plate; the sliding plate is slidably connected to the frame body through a guide rail pair left and right; a third longitudinal conveying guide rail is arranged above the sliding plate; the first positioning cylinder is installed in the middle of the sliding plate and the power output end is connected with a first positioning rod; the structure of the second horizontal conveying device is the same as that of the first horizontal conveying device; several first tooth blocks are installed on the longitudinal conveyor belts; second positioning cylinders are installed at positions corresponding to the aluminum plate inspection and turning station, the aluminum plate reversing station, the aluminum plate turning station, and the explosion-proof film loading station on the frame body; the power output end of the second positioning cylinder is connected with a second positioning rod; longitudinal sliders and positioning holes are arranged at the bottom of the conveying carrier, and second tooth blocks are arranged on the left and right sides respectively; the longitudinal sliders are used for slidingly cooperating with the first longitudinal conveying guide rail, the second longitudinal conveying guide rail, and the third longitudinal conveying guide rail; the positioning holes are used for cooperating with the first positioning rod and the second positioning rod for positioning; the second tooth blocks can slide into the first tooth blocks to cooperate with the first tooth blocks for positioning.

3. An explosion-proof sheet assembly pre-welding machine according to claim 1, characterized in that: The first turning mechanism includes a fixed plate, a first Z-direction cylinder, a lifting frame, a Y-direction driving device, a connecting frame, a left turning clamping device, and a right turning clamping device; the fixed plate is installed on the annular conveying mechanism; the first Z-direction cylinder is installed on the fixed plate and its power output end is connected to the lifting frame; the Y-direction driving device is installed on the lifting frame and its power output end is connected to the connecting frame; the left turning clamping device and the right turning clamping device are installed on the connecting frame in a left-right distribution; the left turning clamping device includes a first X-direction cylinder, a first mounting plate, two first rotary cylinders, and two left clamping blocks; the first X-direction cylinder is installed on the connecting frame and its power output end is connected to the first mounting plate; the two first rotary cylinders are installed on the first mounting plate in a left-right distribution and their power output ends are respectively connected to one end of the left clamping block; a first card slot is provided at the other end of the left clamping block; the right turning clamping device includes a second X-direction cylinder, a second mounting plate, and two right clamping blocks; the second X-direction cylinder is installed on the connecting frame and its power output end is connected to the second mounting plate; one end of each of the two right clamping blocks is rotatably connected to the second mounting plate, and a second card slot is provided at the other end; the right clamping block is arranged opposite to the left clamping block; the structure of the second turning mechanism is the same as that of the first turning mechanism.

4. The pre-welding machine for assembling explosion-proof discs according to claim 1, characterized in that: The aluminum plate reversing mechanism includes a second mounting frame, a Y-axis module, a second Z-direction cylinder, a second rotary cylinder, and a suction head; the second mounting frame is fixed on the chassis; the Y-axis module is installed on the second mounting frame and its power output end is connected to the second Z-direction cylinder; the power output end of the second Z-direction cylinder is connected to the second rotary cylinder; the power output end of the second rotary cylinder is connected to the suction head.

5. The explosion-proof sheet assembling and pre-welding machine according to claim 1, characterized in that: A pressing device is provided at the position of the explosion-proof film loading station; the pressing device includes a third Z-direction cylinder fixed on the annular conveying mechanism and a pressing plate installed at the power output end of the third Z-direction cylinder; a clearance hole is provided on the pressing plate; the clearance hole is used for clearance at the position where the explosion-proof film is installed.

6. The pre-welding machine for assembling explosion-proof discs according to claim 1, wherein: The transfer conveying mechanism includes an X-axis module installed on the chassis and a carrier installed on the X-axis module.

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