Multi-station anti-theft door welding processing method

Abstract

The application discloses a kind of multi-station security door welding processing methods, it is related to security door processing technical field, comprising the following steps: step one, security door installation fixed;Step two, security door transmission moves;Step three, security door angle adjustment and welding processing;Step four, cooling and cleaning;Step five, polishing and cleaning;A kind of multi-station security door welding processing method in the application is moved structure and drives security door to move on the upper surface of sliding rail, it is convenient to adjust the position of security door processing, simultaneously, through sliding structure, the angle of security door welding can be quickly adjusted, so as to improve the effect of security door welding processing, and the surface of security door is rapidly cooled down under the help of first cleaning structure and fan, the effect that dirt after structure is cleaned by using second cleaning structure, so as to improve the effect and efficiency in security door production.

Description

Technical Field

[0001] The invention relates to the technical field of anti-theft door processing, and in particular to a multi-station anti-theft door welding processing method. Background Art

[0002] In the current existing technology, the full name of the anti-theft door is usually "anti-theft safety door". It has both anti-theft and safety properties. The processing technology of the anti-theft door includes cutting, welding, etc. Among them, in the welding process, in order to improve the welding efficiency, a multi-station welding method is often adopted, that is: multiple welding positions are set on the assembly line, so that the same anti-theft door parts can be welded at different positions respectively. The welding device used manually is mainly a welding gun. Employees complete the welding work by holding a welding gun. Different welding methods are often used for welding different parts of the parts. For example, during the welding process, the welding end needs to be at a forty-five degree angle to the welding point, while other welding methods are relatively free in angle.

[0003] However, the existing technology still has shortcomings, such as the following aspects:

[0004] During the automated welding process of security doors, it is difficult to accurately position the security doors, resulting in slow welding speed, poor effect, and reduced welding efficiency. At the same time, after welding is completed, the cooling speed is slow, making it inconvenient to move the security door, causing delays in welding the next security door and reducing work efficiency. Summary of the Invention

[0005] Based on this, the purpose of the present invention is to provide a multi-station anti-theft door welding processing method to solve the technical problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a multi-station anti-theft door welding processing method, comprising the following steps:

[0007] Step 1: Install and fix the security door; insert the security door into the inner side of the fixed structure, limit the four sides of the security door, and squeeze and fix the four sides of the security door;

[0008] Step 2: The security door is transported and moved; the mobile structure drives the security door to be transported to the welding structure, the first cleaning structure, and the polishing structure for processing;

[0009] Step 3: Angle adjustment and welding of the security door: adjusting the sliding structure according to the position of the security door surface that needs welding, and welding the security door using the welding structure;

[0010] Step 4: Cooling and cleaning: Cooling the surface of the security door that has just been processed is performed with the fan running, and at the same time, the surface of the security door is cleaned using the first cleaning structure;

[0011] Step 5: Grinding and cleaning: The polishing structure grinds the welding parts on the surface of the security door, and the second cleaning structure collects and cleans the grinding residues and water.

[0012] Preferably, it includes a supporting structure, which includes a supporting frame, a dust cover is fixedly installed on the outer wall of the top of the supporting frame, a welding structure is fixedly installed on the outer wall of the top of the supporting frame, a water baffle is fixedly installed on the outer wall of the inner bottom of the dust cover, a first cleaning structure is fixedly installed on the outer wall of the top of the supporting frame and the lower surface of the inner side of the dust cover, a polishing structure is fixedly installed on the outer wall of the top of the supporting frame, a sliding track is fixedly installed on the outer wall of the inner side of the supporting frame, and a moving structure is slidably connected to the outer wall of the top of the sliding track, a fan is fixedly installed on the top of the dust cover, and a guide port is fixedly installed on one end of the fan and located on the inner side of the dust cover.

[0013] Preferably, the movable structure includes a No. 1 motor, a movable frame is fixedly mounted on the outer wall of one side of the No. 1 motor, one end of the No. 1 motor is connected to a No. 1 transmission rod, and a roller is fixedly sleeved on the outer wall of the No. 1 transmission rod.

[0014] Preferably, a small roller is rotatably connected to the bottom inner side of the mobile frame, a No. 2 drive motor is fixedly installed in the middle of the top of the mobile frame, and one end of the No. 2 drive motor is transmission-connected to a fixed block.

[0015] Preferably, a sliding structure is fixedly installed on the outer wall of one side of the fixed block, and the sliding structure includes a limit plate. A No. 3 drive motor is fixedly installed on the outer wall of the top of the fixed block, and one end of the No. 3 drive motor is connected to the No. 2 drive rod.

[0016] Preferably, a gear is fixedly sleeved on the outer wall of the No. 2 transmission rod, and a fixed structure is slidably connected to the inner side of the sliding structure. The fixed structure includes a fixed plate, and a gear block is fixedly installed on one side of the top of the fixed plate and on the inner side of the bottom of the sliding structure.

[0017] Preferably, a telescopic groove is provided at the top of the inner side of the fixed plate, a threaded groove is provided at the top of the inner side of the telescopic groove, a threaded rod is threadedly connected to the outer wall inside the threaded groove, a rotating handle is fixedly installed at one end of the top of the threaded rod, a buffer column is movably sleeved at the bottom of the outer wall of the threaded rod, and an extrusion plate is fixedly installed at one end of the bottom of the threaded rod and located on the inner side of the buffer column.

[0018] Preferably, a movable spring is fixedly installed on the inner side of the buffer column and on the lower surface of the extrusion plate, an anti-slip pressure plate is fixedly installed on the bottom of the buffer column, positioning rods are fixedly installed on both sides of the top of the anti-slip pressure plate, and positioning grooves are fixedly opened on both sides of the inner top of the telescopic slot, and the inner side of the positioning groove is slidably connected to the outer wall of the positioning rod.

[0019] Preferably, a discharge trough is provided on the outer wall on the left side of the support frame, and a discharge box is fixedly installed on the inner side of the bottom of the discharge trough; a water accumulation trough is provided on the outer wall on the right side of the support frame, and a water accumulation box is fixedly installed on the inner side of the bottom of the water accumulation trough; a second cleaning structure is fixedly installed on the outer wall on one side of the sliding track.

[0020] Preferably, the second cleaning structure includes a guide plate, a connecting frame is fixedly installed on the top of the inner side of the discharge trough, a No. 4 drive motor is fixedly installed on the outer wall of one side of the connecting frame, one end of the No. 4 drive motor is connected to a rotating rod, the outer wall of the rotating rod and the inner side of the top of the guide plate are fixedly sleeved with a spiral brush, a water pump is fixedly installed on the bottom of the inner side of the water accumulation box, a transmission water pipe is fixedly installed on the top of the water pump, the first cleaning structure includes a cleaning column, the outer wall of the cleaning column is fixedly installed on one end of the top of the transmission water pipe, and the outer wall of the top of the cleaning column is fixedly installed with a nozzle.

[0021] In summary, this technical solution has the following beneficial effects:

[0022] The movable structure drives the security door to move on the upper surface of the sliding track, which makes it convenient to adjust the processing position of the security door. At the same time, the sliding structure can quickly adjust the welding angle of the security door, thereby improving the welding processing effect of the security door. With the help of the first cleaning structure and the fan, the surface of the security door is quickly cooled down, and the second cleaning structure is used to clean the debris after the structure, thereby improving the effect and efficiency of the security door production. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0024] Figure 2 It is a side cross-sectional structural schematic diagram of the present invention;

[0025] Figure 3 It is a schematic cross-sectional view of the cleaning structure of the present invention;

[0026] Figure 4 This is a schematic cross-sectional structural diagram of the mobile frame of the present invention;

[0027] Figure 5 This is a schematic diagram of the cross-sectional structure of the limiting plate of the present invention;

[0028] Figure 6 It is a schematic view of the telescopic slot profile structure of the present application.

[0029] Figure 7 It is a schematic view of the flow structure of the present application.

[0030] In the figure: 1, support structure; 11, support frame; 12, dust cover; 121, water baffle; 13, fan; 131, guide port; 14, discharge chute; 141, discharge box; 15, water accumulation tank; 151, water pump; 152, transmission water pipe; 153, water accumulation box; 16, sliding rail; 2, moving structure; 21, No. 1 motor; 22, moving frame; 23, No. 1 transmission rod; 24, roller; 25, small roller; 26, sliding structure; 261, No. 2 drive motor; 262, fixed block; 263, No. 3 drive motor; 264, No. 2 transmission rod; 265, gear; 266, limiting plate; 27, fixed structure; 271, fixed plate; 272, tooth block; 273, telescopic slot; 274, rotating handle; 2741, threaded rod; 2742, anti-skid pressing plate; 2743, positioning rod; 2744, positioning groove; 2745, movable spring; 2746, pressing plate; 2747, threaded groove; 2748, buffer column; 3, welding structure; 4, first cleaning structure; 41, cleaning column; 42, spout; 5, polishing structure; 6, second cleaning structure; 61, No. 4 drive motor; 62, connecting frame; 63, rotating rod; 64, spiral brush; 65, guide plate. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

[0032] As shown in Figure 1 - Figure 7 A multi-station anti-theft door welding processing method, comprising the following steps:

[0033] Step one, anti-theft door installation and fixation; the anti-theft door is fixedly inserted into the inner side of the fixed structure 27, the four edges of the anti-theft door are limited, and the four edges of the anti-theft door are simultaneously extruded and fixed;

[0034] Step two, anti-theft door transmission and movement; under the operation of the moving structure 2, the anti-theft door is transmitted to the welding structure 3, the first cleaning structure 4, and the polishing structure 5 for processing;

[0035] Step three, anti-theft door angle adjustment and welding processing; according to the position of the anti-theft door surface that needs to be welded and processed, the sliding structure 26 is adjusted, and the anti-theft door is welded by the welding structure 3;

[0036] Step 4, cooling and cleaning; cooling the surface of the security door just after processing under the operation of the fan 13, while using the first cleaning structure 4 to clean the surface of the security door;

[0037] Step five, grinding and cleaning; the polishing structure 5 grinds the welding parts on the surface of the security door, while the second cleaning structure 6 collects and cleans the grinding residue and water.

[0038] The support structure 1 includes a support frame 11, a dust cover 12 is fixedly installed on the outer wall of the top of the support frame 11, a welding structure 3 is fixedly installed on the outer wall of the top of the support frame 11, a water baffle 121 is fixedly installed on the outer wall of the inner bottom of the dust cover 12, a first cleaning structure 4 is fixedly installed on the outer wall of the top of the support frame 11 and the lower surface of the inner side of the dust cover 12, a polishing structure 5 is fixedly installed on the outer wall of the top of the support frame 11, a sliding track 16 is fixedly installed on the outer wall of the inner side of the support frame 11, and the outer wall of the top of the sliding track 16 is slidably connected with a moving structure 2, a fan 13 is fixedly installed on the top of the dust cover 12, and a guide port 131 is fixedly installed on one end of the fan 13 and located on the inner side of the dust cover 12.

[0039] It should be noted that, in this embodiment, the welding structure 3 is started to weld the places on the surface of the security door that need to be welded, and the security door enters the lower surface of the guide port 131, and the fan 13 is started. The wind is transmitted to the guide port 131 through the fan 13 and enters the inner side of the dust shield 12, thereby dissipating the heat on the surface of the security door. At the same time, water is sprayed onto the surface of the security door through the first cleaning structure 4 to cool it down and rinse the surface of the security door, and then the polishing structure 5 is used to polish the welding points.

[0040] The mobile structure 2 includes a No. 1 motor 21 , a mobile frame 22 is fixedly mounted on the outer wall of one side of the No. 1 motor 21 , one end of the No. 1 motor 21 is connected to a No. 1 transmission rod 23 , and a roller 24 is fixedly sleeved on the outer wall of the No. 1 transmission rod 23 .

[0041] It should be noted that, in this embodiment, by starting the No. 1 motor 21, one end of the transmission of the No. 1 motor 21 drives the No. 1 transmission rod 23 on the inner side of the mobile frame 22 to rotate, and then the No. 1 transmission rod 23 drives the roller 24 on the outer wall to rotate, thereby driving the mobile frame 22 to slide on the upper surface of the sliding track 16. At the same time, the small roller 25 is used to assist during the sliding, so that the mobile frame 22 can slide on the upper surface of the sliding track 16.

[0042] The bottom of the inside of the moving frame 22 is rotatably connected with a small roller 25, the middle of the top of the moving frame 22 is fixedly installed with a second driving motor 261, one end of the transmission of the second driving motor 261 is drivingly connected with a fixed block 262, the outer wall of one side of the fixed block 262 is fixedly installed with a sliding structure 26, the sliding structure 26 comprises a limiting plate 266, the outer wall of the top of the fixed block 262 is fixedly installed with a third driving motor 263, one end of the transmission of the third driving motor 263 is drivingly connected with a second transmission rod 264.

[0043] It should be noted that, in this embodiment, when the welding of the security door is carried out, some welding points are relatively deviated, one end of the transmission of the second driving motor 261 is driven to rotate the fixed block 262, so as to control the adjusting angle of the limiting plate 266, then when the third driving motor 263 is started, one end of the transmission of the third driving motor 263 drives the second transmission rod 264 to rotate, so that the outer wall of the second transmission rod 264 drives the gear 265 to rotate, the outer wall of the gear 265 rotates with the gear block 272 on the top of one side of the fixed plate 271, so as to drive the fixed plate 271 to slide on the inside of the limiting plate 266, and the position of the security door is adjusted.

[0044] The outer wall of the second transmission rod 264 is fixedly sleeved with a gear 265, the inside of the sliding structure 26 is slidingly connected with a fixed structure 27, the fixed structure 27 comprises a fixed plate 271, one side of the top of the fixed plate 271 and located on the inside of the bottom of the sliding structure 26 is fixedly installed with a gear block 272, the top of the inside of the fixed plate 271 is provided with an expansion slot 273, the top of the inside of the expansion slot 273 is provided with a threaded groove 2747, the outer wall of the inside of the threaded groove 2747 is threadedly connected with a threaded rod 2741, one end of the top of the threaded rod 2741 is fixedly installed with a rotating handle 274, the bottom of the outer wall of the threaded rod 2741 is movably sleeved with a buffer column 2748, one end of the bottom of the threaded rod 2741 and located on the inside of the buffer column 2748 is fixedly installed with a pressing plate 2746, the inside of the buffer column 2748 and located on the lower surface of the pressing plate 2746 is fixedly installed with a movable spring 2745, the bottom of the buffer column 2748 is fixedly installed with an anti-skid plate 2742, the top of both sides of the anti-skid plate 2742 is fixedly installed with a positioning rod 2743, both sides of the top of the inside of the expansion slot 273 is fixedly provided with a positioning groove 2744, the inside of the positioning groove 2744 is slidingly connected with the outer wall of the positioning rod 2743.

[0045] It should be noted that in this embodiment, when the security door is welded and installed, the outer wall of the security door is inserted into the inner side of the fixed plate 271, and then the outer wall of the rotating handle 274 is rotated and screwed with the threaded groove 2747, so as to lower the threaded rod 2741, drive the extrusion plate 2746 to push the movable spring 2745, and push the anti-skid pressing plate 2742 to press the four edges of the security door. The movable spring 2745 installed in the inner side of the buffer column 2748 can buffer when pressing the security door, reducing the damage to the surface of the security door during fixed installation, and limiting the sliding of the positioning rod 2743 in the positioning groove 2744.

[0046] The outer wall of the left side of the support frame 11 is provided with a discharge chute 14, the inner side of the bottom of the discharge chute 14 is fixedly installed with a discharge box 141, the outer wall of the right side of the support frame 11 is provided with a water accumulation groove 15, the inner side of the bottom of the water accumulation groove 15 is fixedly installed with a water accumulation box 153, the outer wall of one side of the sliding rail 16 is fixedly installed with a second cleaning structure 6, the second cleaning structure 6 comprises a guide plate 65, the top of the inner side of the discharge chute 14 is fixedly installed with a connecting frame 62, the outer wall of one side of the connecting frame 62 is fixedly installed with a No. 4 driving motor 61, one end of the transmission of the No. 4 driving motor 61 is transmissionally connected with a rotating rod 63, the outer wall of the rotating rod 63 and the inner side of the top of the guide plate 65 are fixedly sleeved with a spiral brush 64, the bottom of the inner side of the water accumulation box 153 is fixedly installed with a water pump 151, the top of the water pump 151 is fixedly installed with a transmission water pipe 152, the first cleaning structure 4 comprises a cleaning column 41, the outer wall of the top of the cleaning column 41 is fixedly installed with a spout 42.

[0047] It should be noted that in this embodiment, the water sprayed by the first cleaning structure 4 flows into the upper surface of the guide plate 65, enters the inner side of the upper surface of the guide plate 65, and then the residual material is collected on the inner side of the upper surface of the guide plate 65 after the polishing structure 5 passes through the security door. Then, the No. 4 driving motor 61 is started, so that one end of the transmission of the No. 4 driving motor 61 drives the rotating rod 63 to rotate, so that the rotating rod 63 drives the spiral brush 64 to rotate, and the residual material is brushed into the discharge box 141 in the discharge chute 14. The water cleaned is flowed into the water accumulation box 153 of the water accumulation groove 15 through the low part of the right guide plate 65, and the water flowed into the water accumulation box 153 is transmitted to the inside of the cleaning column 41 through the transmission water pipe 152 by starting the water pump 151, so as to realize water circulation.

[0048] The working principle of the present invention is as follows: when the anti-theft door is welded and installed, the outer wall of the anti-theft door is inserted into the inner side of the fixed plate 271, and then the rotating handle 274 is rotated, and the outer wall of the rotating handle 274 and the threaded groove 2747 are used to rotate the threaded rod 2741, thereby driving the extrusion plate 2746 to push the movable spring 2745, thereby pushing the anti-slip pressure plate 2742 to press the four sides of the anti-theft door. The movable spring 2745 installed inside the buffer column 2748 can buffer the anti-theft door when it is pressed, reducing the problem of damage to the surface of the anti-theft door during fixed installation. At the same time, the positioning rod 2743 is used to slide inside the positioning groove 2744 to limit the position.

[0049] By starting the No. 1 motor 21, one end of the No. 1 motor 21 drives the No. 1 transmission rod 23 inside the mobile frame 22 to rotate, and then the No. 1 transmission rod 23 drives the roller 24 on the outer wall to rotate, thereby driving the mobile frame 22 to slide on the upper surface of the slide track 16. At the same time, the small roller 25 is used to assist in the sliding process, so that the mobile frame 22 can slide on the upper surface of the slide track 16.

[0050] By starting the welding structure 3, the surface of the security door that needs to be welded is welded, and the security door enters the lower surface of the guide port 131, and the fan 13 is started. The wind is transmitted to the guide port 131 through the fan 13 and enters the inner side of the dust shield 12 to dissipate heat on the surface of the security door. At the same time, water is sprayed onto the surface of the security door through the first cleaning structure 4 to cool it down and rinse the surface of the security door. Then, the polishing structure 5 is used to polish the welding points.

[0051] When the security door is being welded, some welding points are relatively offset. By starting one end of the transmission of the No. 2 drive motor 261 to drive the fixed block 262 to rotate, the adjustment angle of the limit plate 266 is controlled. Then, when the No. 3 drive motor 263 is started, the No. 2 drive rod 264 is driven to rotate at one end of the transmission of the No. 3 drive motor 263, so that the outer wall of the No. 2 drive rod 264 drives the gear 265 to rotate. The outer wall of the gear 265 and the tooth block 272 on the top side of the fixed plate 271 are used to rotate, thereby driving the fixed plate 271 to slide on the inner side of the limit plate 266 to adjust the position of the security door.

[0052] The water sprayed by the first cleaning structure 4 flows into the upper surface of the guide plate 65 and enters the inner side of the upper surface of the guide plate 65. At the same time, the polishing structure 5 collects the residue on the inner side of the upper surface of the guide plate 65 after passing the anti-theft door. Then, by starting the No. 4 drive motor 61, one end of the No. 4 drive motor 61 drives the rotating rod 63 to rotate, so that the rotating rod 63 drives the spiral brush 64 to rotate, and the residue is brushed to the discharge box 141 inside the discharge trough 14. The cleaned water flows into the water box 153 of the water trough 15 through the lower part of the right guide plate 65. The water flowing into the water box 153 starts the water pump 151 to transmit the water to the inside of the cleaning column 41 through the transmission water pipe 152, thereby realizing water circulation.

[0053] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-station anti-theft door welding method, characterized in that: The following steps are involved: Step 1: Install and fix the security door; insert the security door into the inner side of the fixing structure (27), limit the four sides of the security door, and squeeze and fix the four sides of the security door; Step 2: The anti-theft door is transported and moved; the moving structure (2) drives the anti-theft door to be transported to the welding structure (3), the first cleaning structure (4), and the polishing structure (5) for processing; Step 3: Angle adjustment and welding of the security door; adjusting the position of the security door surface that needs welding by the sliding structure (26), and welding the security door by using the welding structure (3); Step 4: Cooling and cleaning: cooling the surface of the security door that has just been processed while the fan (13) is running, and cleaning the surface of the security door using the first cleaning structure (4); Step 5: Grinding and cleaning: The polishing structure (5) grinds the welding part of the surface of the security door, and the second cleaning structure (6) collects and cleans the grinding residue and water; The mobile structure (2) in step 2 includes a No. 1 motor (21), a mobile frame (22) is fixedly mounted on the outer wall of one side of the No. 1 motor (21), one end of the No. 1 motor (21) is connected to a No. 1 transmission rod (23), and a roller (24) is fixedly sleeved on the outer wall of the No. 1 transmission rod (23); The bottom of the inner side of the mobile frame (22) is rotatably connected to a small roller (25), and a second drive motor (261) is fixedly installed in the middle of the top of the mobile frame (22), and one end of the transmission of the second drive motor (261) is transmission-connected to a fixed block (262); A sliding structure (26) is fixedly mounted on the outer wall of one side of the fixed block (262), and the sliding structure (26) includes a limit plate (266). A third drive motor (263) is fixedly mounted on the outer wall of the top of the fixed block (262), and one end of the drive of the third drive motor (263) is connected to a second drive rod (264). The outer wall of the second transmission rod (264) is fixedly sleeved with a gear (265), the inner side of the sliding structure (26) is slidably connected to a fixed structure (27), the fixed structure (27) includes a fixed plate (271), and a tooth block (272) is fixedly installed on one side of the top of the fixed plate (271) and located on the inner side of the bottom of the sliding structure (26); A telescopic groove (273) is provided at the top of the inner side of the fixed plate (271), a threaded groove (2747) is provided at the top of the inner side of the telescopic groove (273), a threaded rod (2741) is threadedly connected to the outer wall of the inner side of the threaded groove (2747), a rotating handle (274) is fixedly installed at one end of the top of the threaded rod (2741), a buffer column (2748) is movably sleeved at the bottom of the outer wall of the threaded rod (2741), and an extrusion plate (2746) is fixedly installed at one end of the bottom of the threaded rod (2741) and located on the inner side of the buffer column (2748).

2. A multi-station anti-theft door welding method according to claim 1, characterized in that: The invention comprises a support structure (1), wherein the support structure (1) comprises a support frame (11), a dust shield (12) is fixedly mounted on the outer wall of the top of the support frame (11), a welding structure (3) is fixedly mounted on the outer wall of the top of the support frame (11), a water baffle (121) is fixedly mounted on the outer wall of the bottom inner side of the dust shield (12), a first cleaning structure (4) is fixedly mounted on the outer wall of the top of the support frame (11) and on the lower surface of the inner side of the dust shield (12), a polishing structure (5) is fixedly mounted on the outer wall of the top of the support frame (11), a sliding track (16) is fixedly mounted on the outer wall of the inner side of the support frame (11), a moving structure (2) is slidably connected to the outer wall of the top of the sliding track (16), a fan (13) is fixedly mounted on the top of the dust shield (12), and a guide port (131) is fixedly mounted on one end of the fan (13) and on the inner side of the dust shield (12).

3. The multi-station anti-theft door welding method according to claim 1, characterized in that: A movable spring (2745) is fixedly installed on the inner side of the buffer column (2748) and on the lower surface of the extrusion plate (2746); an anti-slip pressure plate (2742) is fixedly installed on the bottom of the buffer column (2748); positioning rods (2743) are fixedly installed on both sides of the top of the anti-slip pressure plate (2742); positioning grooves (2744) are fixedly opened on both sides of the inner top of the telescopic slot (273); the inner side of the positioning groove (2744) is slidably connected to the outer wall of the positioning rod (2743).

4. A multi-station anti-theft door welding method according to claim 2, characterized in that: A discharge trough (14) is provided on the outer wall on the left side of the support frame (11), and a discharge box (141) is fixedly installed on the inner side of the bottom of the discharge trough (14). A water accumulation trough (15) is provided on the outer wall on the right side of the support frame (11), and a water accumulation box (153) is fixedly installed on the inner side of the bottom of the water accumulation trough (15). A second cleaning structure (6) is fixedly installed on the outer wall on one side of the sliding track (16).

5. A multi-station anti-theft door welding method according to claim 4, characterized in that: The second cleaning structure (6) includes a guide plate (65), a connecting frame (62) is fixedly installed on the top of the inner side of the discharge trough (14), a No. 4 driving motor (61) is fixedly installed on the outer wall of one side of the connecting frame (62), one end of the No. 4 driving motor (61) is connected to the rotating rod (63), the outer wall of the rotating rod (63) and the inner side of the top of the guide plate (65) are fixedly sleeved with a spiral brush (64), the bottom of the inner side of the water accumulation box (153) is fixedly installed with a water pump (151), and the top of the water pump (151) is fixedly installed with a transmission water pipe (152), and the first cleaning structure (4) includes a cleaning column (41), the outer wall of the cleaning column (41) is fixedly installed with one end of the top of the transmission water pipe (152), and the outer wall of the top of the cleaning column (41) is fixedly installed with a nozzle (42).

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