Welding device for stainless steel flat plate

Abstract

The invention relates to the technical field of welding devices, and discloses a stainless steel flat plate welding device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a supporting plate, the inner wall of the supporting plate is fixedly connected with a hollowed-out frame, the inner wall of the supporting plate is rotatably connected with a two-way screw rod, and the circumferential surface of the two-way screw rod is in threaded connection with a sliding plate. According to the stainless steel plate welding device, it can be ensured that welded stainless steel plates are aligned with one another, then the stainless steel plate welding precision can be improved, and the problem that due to the fact that the positions of the stainless steel plates are not aligned, welding deviation occurs is solved; and therefore, downward pressure can be applied to the stainless steel plate through the downward pressing plate to fix the position of the stainless steel plate, the welding effect of the stainless steel plate can be improved, it is ensured that the welding seam position is consistent with a design drawing, and dimensional deviation or structural defects caused by dislocation are avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of welding devices, and particularly to a welding device for stainless steel flat plates. Background Art

[0002] Due to excellent rust and corrosion resistance, good strength and toughness, and beautiful appearance, stainless steel flat plates have been widely used in many fields such as construction, decoration, furniture, electrical appliances, automobiles, and ships.

[0003] The patent with the publication number CN219966869U relates to a welding device for stainless steel flat plates, including a welding tabletop. A flat plate limiting mechanism is arranged on the front outer surface of the welding tabletop. A left fixing frame is arranged on one outer surface of the welding tabletop, and a right fixing frame is arranged on the other outer surface of the welding tabletop. A structural strengthening rod is arranged below the welding tabletop, and a welding waste receiving mechanism is arranged on the lower outer surface of the structural strengthening rod. Movable frames are arranged at the upper ends of the left fixing frame and the right fixing frame. For this welding device for stainless steel flat plates, through the arranged flat plate limiting mechanism and welding waste receiving mechanism, the position of the stainless steel flat plate can be limited, avoiding the stainless steel flat plate falling from one side of the welding tabletop and injuring the operator, thereby improving the use safety of the welding device. Secondly, it is convenient for the operator to collect welding waste, avoiding the welding waste directly falling to the ground and affecting the cleaning of the operator. However, when limiting the stainless steel plate, the stainless steel still tends to shift and loosen, which is likely to cause incorrect welding positions. Therefore, a welding device for stainless steel flat plates is proposed to solve the above-mentioned problems. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a welding device for stainless steel flat plates in view of the deficiencies in the above-mentioned prior art.

[0005] To solve the above technical problems, the technical solution adopted by the present invention is: a welding device for a stainless steel flat plate, including a bottom plate, the top of the bottom plate is fixedly connected with a support plate, the inner wall of the support plate is fixedly connected with a hollowed-out frame, the inner wall of the support plate is rotatably connected with a bidirectional screw, the circumferential surface of the bidirectional screw is threadedly connected with a sliding plate, the surface of the sliding plate is fixedly connected with a push plate, the right side of the support plate is fixedly connected with a chamfering block, the inner wall of the chamfering block is slidably connected with a sliding rod, the circumferential surface of the sliding rod is fixedly connected with a lower pressing plate, the bottom of the sliding rod is fixedly connected with a return spring, the top of the bottom plate is provided with a smoke removal mechanism for sucking welding fumes during the welding process, the inner wall of the push plate is provided with an adjustment mechanism for adjusting the clamping size, the inner wall of the push plate is fixedly connected with a moving plate, the front part of the moving plate is fixedly connected with a friction wheel, the top of the hollowed-out frame is slidably connected with the bottom of the push plate, and the push plate is used to push the welding plate towards the center for alignment. The top of the bottom plate is fixedly connected with the bottom of the return spring, and the return spring is used to provide a restoring force for the sliding rod. The left side of the bidirectional screw is equipped with a motor, and the motor is used to drive the bidirectional screw to rotate. The lower pressing plate is used to fix the welding plate. The circumferential surface of the friction wheel is in contact with the top of the inclined strip. When welding is required, the sliding plate moves to the right to drive the push plate to move to the right, so as to ensure that the mutually welded stainless steel plates are aligned with each other, thereby improving the welding accuracy of the stainless steel plates and avoiding the problem of welding deviation caused by the misalignment of the stainless steel plates. When docking and fixing the stainless steel plates, the return spring is compressed by extrusion, so that a downward pressure can be applied to the stainless steel plates through the lower pressing plate to fix their positions, which helps to improve the welding effect of the stainless steel plates, ensure that the weld position is consistent with the design drawing, and avoid size deviation or structural defects caused by misalignment.

[0006] Preferably, the fume removal mechanism includes a support plate fixedly connected to the top of the bottom plate. A chamfered plate is fixedly connected to the front of the support plate. A rotating shaft is rotatably connected to the inner wall of the chamfered plate. A first rotating plate is fixedly connected to the circumferential surface of the rotating shaft. A suction fan is fixedly connected to the front of the first rotating plate. A second rotating plate is fixedly connected to the circumferential surface of the rotating shaft. A straight plate is fixedly connected to the top of the push plate. A roller is rotatably connected to the inner wall of the straight plate. A convex block plate is fixedly connected to the inner wall of the second rotating plate. A scraping plate is threadedly connected to the circumferential surface of the bidirectional screw. When fixing, the rotating shaft rotates to drive the first rotating plate to rotate, and the first rotating plate rotates to drive the suction fan to rotate, so that the welding fume generated during the welding process can be sucked away, thereby reducing the impact of the welding fume on the staff and improving the work efficiency of the staff. The circumferential surface of the roller is in contact with the bottom of the convex block plate, and the roller will apply a squeezing force to the convex block plate during operation. The bottom of the scraping plate is in contact with the bottom of the hollow frame, and the scraping plate is used to scrape off the welding residue. When starting and ending the fixing, the scraping plate will contact the bottom of the hollow frame during the moving process, so that the welding slag attached to the side wall of the hollow frame can be scraped off, avoiding excessive accumulation of welding slag affecting the positioning and welding of the stainless steel plate, and further improving the welding effect of the stainless steel plate.

[0007] Preferably, the adjusting mechanism includes a connecting rod rotatably connected to the inner wall of the first rotating plate. A hanging plate is fixedly connected to the circumferential surface of the connecting rod. A counterweight is fixedly connected to the bottom of the hanging plate. A conducting plate is fixedly connected to the top of the support plate. A threaded rod is movably connected to the inner wall of the push plate. A limiting rod is slidably connected to the inner wall of the push plate. An adjusting plate is fixedly connected to the left side of the limiting rod. During the fume removal process, the conducting plate will vibrate itself, and then the conducting plate will conduct the vibration to the hollow frame, so that the welding slag on the surface of the hollow frame will be loosened and fall into the interior of the collection box from the gaps of the hollow frame, thereby further improving the collection effect of the welding slag, reducing the labor intensity of the workers, and avoiding the welding slag being firmly attached and difficult to clean. The counterweight will generate an impact force on the conducting plate during the movement, and the conducting plate will conduct the received impact force to the hollow frame. The circumferential surface of the threaded rod is rotatably connected to the inner wall of the adjusting plate. The top of the collection box is in contact with the bottom of the scraping plate, and the collection box is used to collect the fallen welding slag. When the stainless steel flat plate is too large or too small to affect its fixing, the adjusting plate moves to drive the limiting rod to move, so that the stainless steel flat plate of different sizes and widths can be fixed, improving the diversity of the device during use and enhancing the use effect of the device.

[0008] The present invention adopts the above technical solutions and can bring the following beneficial effects: 1. This welding device for stainless steel flat plates, through the cooperative operation among the base plate, support plate, hollow frame, bidirectional screw, sliding plate, push plate, chamfer block, sliding rod, lower pressing plate, return spring, moving plate, inclined strip, and friction wheel, when welding is required, the sliding plate moves to the right to drive the push plate to move to the right, thereby ensuring that the stainless steel plates to be welded are aligned with each other, and further improving the welding accuracy of the stainless steel plates, avoiding problems such as misalignment of the stainless steel plates resulting in welding deviation. When docking and fixing the stainless steel plates, the return spring is compressed by extrusion, so that a downward pressure can be applied to the stainless steel plates through the lower pressing plate to fix their positions, which helps to improve the welding effect of the stainless steel plates, ensuring that the weld position is consistent with the design drawing and avoiding dimensional deviation or structural defects caused by misalignment.

[0009] 2. This welding device for stainless steel flat plates, through the cooperative operation among the support plate, chamfer plate, rotating shaft, rotating plate 1, and suction fan, when fixing, the rotating shaft rotates to drive the rotating plate 1 to rotate, and the rotating plate 1 rotates to drive the suction fan to rotate, thereby sucking away the welding fumes generated during the welding process, and further reducing the impact of the welding fumes on the staff to improve the work efficiency of the staff.

[0010] 3. This welding device for stainless steel flat plates, through the cooperative operation among the rotating plate 2, straight plate, roller, convex block plate, and scraper, at the beginning and end of fixing, during the movement of the scraper, it will contact the bottom of the hollow frame, thereby scraping off the welding slag attached to the side wall of the hollow frame, avoiding excessive accumulation of welding slag affecting the positioning and welding of the stainless steel plates, and further improving the welding effect of the stainless steel plates.

[0011] 4. This welding device for stainless steel flat plates, through the cooperative operation among the connecting rod, hanging plate, counterweight block, and conduction plate, during the process of smoke removal, the conduction plate will vibrate itself, and then the conduction plate will conduct the vibration to the hollow frame, thereby loosening the welding slag on the surface of the hollow frame, making it fall into the interior of the collection box from the gaps of the hollow frame, and further improving the collection effect of the welding slag, reducing the labor intensity of the workers, and avoiding the welding slag being firmly attached and difficult to clean.

[0012] 5. This welding device for stainless steel flat plates, through the cooperative operation among the threaded rod, limiting rod, adjusting plate, and collection box, when the stainless steel flat plate is too large or too small to affect its fixing, the adjusting plate moves to drive the limiting rod to move, so that the stainless steel flat plate of different sizes and widths can be fixed, improving the diversity of the device during use and enhancing the use effect of the device. Brief Description of the Drawings

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 Enlarged view of the structure at location A in the present invention; Figure 3 Schematic diagram of the smoke removal mechanism of the present invention; Figure 4 For the present invention Figure 3 Enlarged view of the structure at location B in the present invention; Figure 5 Half-sectional view of the adjustment mechanism of the present invention; Figure 6 For the present invention Figure 5 Enlarged view of the structure at location C in the present invention; Figure 7 Schematic diagram of the structure of the limit rod of the present invention.

[0014] In the figure: 1, bottom plate; 2, support plate; 3, hollow frame; 4, bidirectional screw; 5, sliding plate; 6, push plate; 7, chamfered block; 8, sliding rod; 9, lower pressing plate; 10, return spring; 11, moving plate; 12, inclined strip; 13, friction wheel; 14, smoke removal mechanism; 141, support plate; 142, chamfered plate; 143, rotating shaft; 144, first rotating plate; 145, suction fan; 146, second rotating plate; 147, straight plate; 148, roller; 149, convex block plate; 1410, scraper; 15, adjustment mechanism; 151, connecting rod; 152, hanging plate; 153, counterweight; 154, conduction plate; 155, threaded rod; 156, limit rod; 157, adjustment plate; 158, collection box. Specific embodiments

[0015] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0016] Please refer to Figures 1-7, an embodiment of the present invention is: a welding device for a stainless steel flat plate, including a bottom plate 1. A support plate 2 is fixedly connected to the top of the bottom plate 1. A hollow frame 3 is fixedly connected to the inner wall of the support plate 2. A bidirectional screw 4 is rotatably connected to the inner wall of the support plate 2. A sliding plate 5 is threadedly connected to the circumferential surface of the bidirectional screw 4. A push plate 6 is fixedly connected to the surface of the sliding plate 5. A chamfering block 7 is fixedly connected to the right side of the support plate 2. A sliding rod 8 is slidably connected to the inner wall of the chamfering block 7. A lower pressing plate 9 is fixedly connected to the circumferential surface of the sliding rod 8. A return spring 10 is fixedly connected to the bottom of the sliding rod 8. A smoke removal mechanism 14 for sucking welding fumes during welding is arranged on the top of the bottom plate 1. An adjusting mechanism 15 for adjusting the clamping size is arranged on the inner wall of the push plate 6. A moving plate 11 is fixedly connected to the inner wall of the push plate 6. A friction wheel 13 is fixedly connected to the front of the moving plate 11; When welding is required, place the stainless steel plate to be welded on the top of the hollow frame 3. At this time, the motor starts and drives the bidirectional screw 4 to rotate. The rotation of the bidirectional screw 4 drives the sliding plate 5 to move to the right through the bidirectional thread groove on its surface. The rightward movement of the sliding plate 5 drives the push plate 6 to move to the right, so as to ensure that the mutually welded stainless steel plates are aligned with each other, thereby improving the welding accuracy of the stainless steel plate and avoiding the problem of welding deviation caused by the misalignment of the stainless steel plate; The top of the hollow frame 3 is slidably connected to the bottom of the push plate 6, and the push plate 6 is used to push the welding plate towards the center for alignment. The top of the bottom plate 1 is fixedly connected to the bottom of the return spring 10, and the return spring 10 is used to provide a restoring force for the sliding rod 8. A motor is installed on the left side of the bidirectional screw 4, and the motor is used to drive the bidirectional screw 4 to rotate. The lower pressing plate 9 is used to fix the welding plate. The circumferential surface of the friction wheel 13 is in contact with the top of the inclined strip 12; When docking and fixing the stainless steel plate, the movement of the push plate 6 drives the moving plate 11 to move. The movement of the moving plate 11 drives the friction wheel 13 to move. The movement of the friction wheel 13 will contact the inclined strip 12 and exert a downward extrusion force on the inclined strip 12, so that the inclined strip 12 can move downward. The downward movement of the inclined strip 12 drives the sliding rod 8 to move downward. The downward movement of the sliding rod 8 drives the lower pressing plate 9 to move downward and compresses the return spring 10. Thus, the lower pressing plate 9 can apply a downward pressure to the stainless steel plate to fix its position, which helps to improve the welding effect of the stainless steel plate, ensure that the weld position is consistent with the design drawing, and avoid size deviation or structural defects caused by misalignment.

[0017] Working principle: When welding is required, the motor starts and drives the bidirectional screw 4 to rotate. The rotation of the bidirectional screw 4 drives the sliding plate 5 to move to the right through the bidirectional thread grooves on its surface, ensuring that the stainless steel plates to be welded are aligned with each other. When docking and fixing the stainless steel plates, the inclined strip 12 can move downward. The downward movement of the inclined strip 12 drives the sliding rod 8 to move downward, and the downward movement of the sliding rod 8 drives the lower pressing plate 9 to move downward, and squeezes the return spring 10 to compress it. Thus, a downward pressure can be applied to the stainless steel plate through the lower pressing plate 9 to fix its position, which helps to improve the welding effect of the stainless steel plate.

[0018] Please refer to Figures 1-7 , on the basis of the above-mentioned embodiment, in another embodiment of the present invention, the fume exhaust mechanism 14 includes a support plate 141, the support plate 141 is fixedly connected to the top of the bottom plate 1, a chamfer plate 142 is fixedly connected to the front of the support plate 141, a rotating shaft 143 is rotatably connected to the inner wall of the chamfer plate 142, a rotating plate one 144 is fixedly connected to the circumferential surface of the rotating shaft 143, a suction fan 145 is fixedly connected to the front of the rotating plate one 144, a rotating plate two 146 is fixedly connected to the circumferential surface of the rotating shaft 143, a straight plate 147 is fixedly connected to the top of the push plate 6, a roller 148 is rotatably connected to the inner wall of the straight plate 147, a convex block plate 149 is fixedly connected to the inner wall of the rotating plate two 146, and a scraper 1410 is threadedly connected to the circumferential surface of the bidirectional screw 4; When fixing, the push plate 6 moves to the right to drive the straight plate 147 to move. The movement of the straight plate 147 drives the roller 148 to move to the right. During the movement of the roller 148, it will contact the arc block of the convex block plate 149 and apply an upward extrusion force to the convex block plate 149, and then move upward. The upward movement of the convex block plate 149 drives the rotating plate two 146 to rotate upward. The upward rotation of the rotating plate two 146 drives the rotating shaft 143 to rotate. The rotation of the rotating shaft 143 drives the rotating plate one 144 to rotate. The rotation of the rotating plate one 144 drives the suction fan 145 to rotate, so that the welding fumes generated during the welding process can be sucked away, thereby reducing the impact of the welding fumes on the staff and improving the work efficiency of the staff; The circumferential surface of the roller 148 is in contact with the bottom of the convex block plate 149, and the roller 148 applies an extrusion force to the convex block plate 149 during operation. The bottom of the scraper 1410 is in contact with the bottom of the hollow frame 3, and the scraper 1410 is used to scrape off the welding residues; When the start and end are fixed, the suction fan 145 will swing up and down along the central axis of the rotating shaft 143, thereby improving the smoking range of the suction fan 145 and causing the suction fan 145 itself to vibrate, and then the dust adhering to the inner wall of the suction fan 145 can be shaken off, avoiding excessive dust accumulation inside the suction fan 145 and affecting its absorption of soot. During the process of fixing the stainless steel plate, the bidirectional screw 4 rotates to drive the scraper 1410 to move through the threads on its surface. During the movement of the scraper 1410, it will contact the bottom of the hollow frame 3, thereby scraping off the welding slag adhering to the side wall of the hollow frame 3, avoiding excessive accumulation of welding slag and affecting the positioning and welding of the stainless steel plate, and further improving the welding effect of the stainless steel plate.

[0019] Working principle: When fixing, the push plate 6 moves to the right to drive the straight plate 147 to move. The movement of the straight plate 147 drives the roller 148 to move to the right. During the movement of the roller 148, it will contact the arc block of the convex block plate 149, and can suck away the welding fume generated during the welding process, thereby reducing the impact of welding fume on the staff and improving the work efficiency of the staff. During the process of fixing the stainless steel plate, the bidirectional screw 4 rotates to drive the scraper 1410 to move through the threads on its surface, avoiding excessive accumulation of welding slag and affecting the positioning and welding of the stainless steel plate, and further improving the welding effect of the stainless steel plate.

[0020] The adjusting mechanism 15 includes a connecting rod 151. The connecting rod 151 is rotatably connected to the inner wall of the first rotating plate 144. A hanging plate 152 is fixedly connected to the circumferential surface of the connecting rod 151. A counterweight 153 is fixedly connected to the bottom of the hanging plate 152. A conducting plate 154 is fixedly connected to the top of the support plate 2. A threaded rod 155 is movably connected to the inner wall of the push plate 6. A limiting rod 156 is slidably connected to the inner wall of the push plate 6. An adjusting plate 157 is fixedly connected to the left side of the limiting rod 156; During the process of removing fume, the first rotating plate 144 drives the connecting rod 151 to swing up and down. The connecting rod 151 itself will rotate on the inner wall of the first rotating plate 144. The rotation of the connecting rod 151 drives the hanging plate 152 to rotate. When the hanging plate 152 moves up and down, it will droop due to gravity. The movement of the hanging plate 152 will drive the counterweight 153 to move. During the movement of the counterweight 153, it will contact the conducting plate 154 and generate an impact force on the conducting plate 154, causing the conducting plate 154 itself to vibrate. Subsequently, the conducting plate 154 conducts the vibration to the hollow frame 3, thereby loosening the welding slag on the surface of the hollow frame 3 and making it fall into the interior of the collection box 158 from the gaps of the hollow frame 3, further improving the collection effect of the welding slag, reducing the labor intensity of workers, and avoiding the problem that the welding slag adheres firmly and is difficult to clean; The counterweight 153 will generate an impact force on the conduction plate 154 during the movement, and the conduction plate 154 will conduct the received impact force to the hollow frame 3. The circumferential surface of the threaded rod 155 is rotatably connected to the inner wall of the adjusting plate 157. The top of the collection box 158 is in contact with the bottom of the scraping plate 1410, and the collection box 158 is used to collect the dropped welding slag; When the stainless steel flat plate is too large or too small to affect its fixation, by turning the knob to drive the threaded rod 155 to rotate, the threaded rod 155 rotates through the threaded contact between the clamping block arranged on the inner wall of the push plate 6 and the threaded rod 155, so that the threaded rod 155 can move left and right. The movement of the threaded rod 155 drives the adjusting plate 157 to move, and the movement of the adjusting plate 157 drives the limiting rod 156 to move, so that the stainless steel flat plate with different sizes and widths can be fixed, which can improve the diversity of the device during use, so as to improve the use effect of the device.

[0021] Working principle: During the process of smoke removal, the rotating plate 144 drives the connecting rod 151 to swing up and down. During the movement of the counterweight 153, it will contact the conduction plate 154 and generate an impact force on the conduction plate 154, so that the welding slag on the surface of the hollow frame 3 will be loosened and fall into the interior of the collection box 158 from the gaps of the hollow frame 3, thereby further improving the collection effect of the welding slag and reducing the labor intensity of workers. When the stainless steel flat plate is too large or too small to affect its fixation, the movement of the adjusting plate 157 drives the limiting rod 156 to move, so that the stainless steel flat plate with different sizes and widths can be fixed, which can improve the diversity of the device during use, so as to improve the use effect of the device.

[0022] The present invention provides a welding device for a stainless steel flat plate. There are many methods and ways to specifically implement this technical solution. The above is only the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle of the present invention, several improvements and retouches can be made, and these improvements and retouches should also be regarded as the protection scope of the present invention. Each component not clearly defined in this embodiment can be implemented by the prior art.

Claims

1. A welding device for a stainless steel flat plate, comprising a bottom plate (1), characterized in that: A support plate (2) is fixedly connected to the top of the bottom plate (1). A hollow frame (3) is fixedly connected to the inner wall of the support plate (2). A bidirectional screw rod (4) is rotatably connected to the inner wall of the support plate (2). A sliding plate (5) is threadedly connected to the circumferential surface of the bidirectional screw rod (4). A push plate (6) is fixedly connected to the surface of the sliding plate (5). A chamfered block (7) is fixedly connected to the right side of the support plate (2). A sliding rod (8) is slidably connected to the inner wall of the chamfered block (7). A lower pressing plate (9) is fixedly connected to the circumferential surface of the sliding rod (8). A return spring (10) is fixedly connected to the bottom of the sliding rod (8). A smoke removal mechanism (14) for sucking welding fumes during the welding process is arranged on the top of the bottom plate (1). An adjusting mechanism (15) for adjusting the clamping size is arranged on the inner wall of the push plate (6). A moving plate (11) is fixedly connected to the inner wall of the push plate (6). A friction wheel (13) is fixedly connected to the front of the moving plate (11).

2. The welding device for a stainless steel flat plate according to claim 1, characterized in that: The top of the hollow frame (3) is slidably connected to the bottom of the push plate (6), and the push plate (6) is used to push the welding plate towards the center for alignment. The top of the bottom plate (1) is fixedly connected to the bottom of the return spring (10), and the return spring (10) is used to provide a restoring force for the sliding rod (8). A motor is installed on the left side of the bidirectional screw rod (4), and the motor is used to drive the bidirectional screw rod (4) to rotate.

3. A welding device for a stainless steel flat plate according to claim 2, characterized in that: The lower pressing plate (9) is used to fix the welding plate. The circumferential surface of the friction wheel (13) is in contact with the top of the inclined strip (12).

4. A welding device for a stainless steel flat plate according to claim 3, characterized in that: The smoke removal mechanism (14) includes a support plate (141). The support plate (141) is fixedly connected to the top of the bottom plate (1). A chamfered plate (142) is fixedly connected to the front of the support plate (141). A rotating shaft (143) is rotatably connected to the inner wall of the chamfered plate (142). A first rotating plate (144) is fixedly connected to the circumferential surface of the rotating shaft (143).

5. A welding device for a stainless steel flat plate according to claim 4, characterized in that: A suction fan (145) is fixedly connected to the front of the first rotating plate (144). A second rotating plate (146) is fixedly connected to the circumferential surface of the rotating shaft (143). A straight plate (147) is fixedly connected to the top of the push plate (6). A roller (148) is rotatably connected to the inner wall of the straight plate (147). A convex block plate (149) is fixedly connected to the inner wall of the second rotating plate (146). A scraper (1410) is threadedly connected to the circumferential surface of the bidirectional screw rod (4).

6. The welding device for a stainless steel flat plate according to claim 5, characterized in that: The circumferential surface of the roller (148) is in contact with the bottom of the convex block plate (149), and the roller (148) exerts an extrusion force on the convex block plate (149) during operation. The bottom of the scraper (1410) is in contact with the bottom of the hollow frame (3), and the scraper (1410) is used to scrape off welding residues.

7. A welding device for a stainless steel flat plate according to claim 6, characterized in that: The adjusting mechanism (15) includes a connecting rod (151). The connecting rod (151) is rotatably connected to the inner wall of the first rotating plate (144). A drooping plate (152) is fixedly connected to the circumferential surface of the connecting rod (151). A counterweight (153) is fixedly connected to the bottom of the drooping plate (152). A conduction plate (154) is fixedly connected to the top of the support plate (2).

8. A welding device for a stainless steel flat plate according to claim 7, characterized in that: A threaded rod (155) is movably connected to the inner wall of the push plate (6). A limiting rod (156) is slidably connected to the inner wall of the push plate (6). An adjusting plate (157) is fixedly connected to the left side of the limiting rod (156).

9. The welding device for a stainless steel flat plate according to claim 8, characterized in that: The counterweight (153) will generate an impact force on the conduction plate (154) during the movement, and the conduction plate (154) conducts the received impact force to the hollow frame (3). The circumferential surface of the threaded rod (155) is rotatably connected to the inner wall of the adjusting plate (157). The top of the collection box (158) is in contact with the bottom of the scraping plate (1410), and the collection box (158) is used for collecting the dropped welding slag.

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