A welding device for stainless steel flat plate

Abstract

The application relates to the technical field of welding devices, and discloses a welding device for stainless steel plates, which comprises a bottom plate, a supporting plate fixedly connected to the top of the bottom plate, a hollow frame fixedly connected to the inner wall of the supporting plate, a bidirectional screw rod rotationally connected to the inner wall of the supporting plate, a sliding plate threadedly connected to the circumferential surface of the bidirectional screw rod, and a push plate fixedly connected to the surface of the sliding plate. The stainless steel plates can be aligned with each other, the precision of the stainless steel plate welding can be improved, the position of the stainless steel plate can be fixed by applying a downward pressure on the stainless steel plate through the lower pressing plate when the stainless steel plate is butt-jointed and fixed, the welding effect of the stainless steel plate can be improved, the position of the welding seam can be ensured to be consistent with the design drawing, and the size deviation or structural defects caused by mispositioning can be avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding devices, in particular to a welding device for stainless steel plates. BACKGROUND

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

[0003] The patent with publication number CN219966869U relates to a welding device for stainless steel plates, which includes a welding table. The front end of the welding table is provided with a plate limiting mechanism. One side of the welding table is provided with a left fixed frame, and the other side of the welding table is provided with a right fixed frame. The lower part of the welding table is provided with a structure reinforcing rod, and the lower end of the structure reinforcing rod is provided with a welding waste receiving mechanism. The upper end of the left fixed frame and the right fixed frame is provided with a movable frame. This welding device for stainless steel plates can limit the position of the stainless steel plate through the plate limiting mechanism and the welding waste receiving mechanism, preventing the stainless steel plate from falling from one side of the welding table and injuring the operator, thereby improving the safety of the welding device. In addition, it can facilitate the collection of welding waste and avoid the direct falling of welding waste onto the ground, which affects the cleaning of the operator. However, when the stainless steel plate is limited, the stainless steel plate may still shift and loosen, which can easily lead to errors in the welding position. Therefore, a welding device for stainless steel plates is proposed to solve the above problems. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a welding device for stainless steel plates to solve the above problems.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is: a welding device for stainless steel flat plates, comprising 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 hollow frame, the inner wall of the support plate is rotatably connected with a bidirectional screw rod, the circumferential surface of the bidirectional screw rod 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 chamfer block, the inner wall of the chamfer block is slidably connected with a sliding rod, the circumferential surface of the sliding rod is fixedly connected with a 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 absorbing welding fume during welding, the inner wall of the push plate is provided with an adjusting 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 hollow frame is slidably connected with the bottom of the push plate, and the push plate is used to push the welding plates to 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, a motor is installed on the left side of the bidirectional screw rod, and the motor is used to drive the bidirectional screw rod to rotate, the pressing plate is used to fix the welding plates, the circumferential surface of the friction wheel is in contact with the top of the inclined strip, when welding is needed, the sliding plate moves to the right to drive the push plate to move to the right, so that the stainless steel plates to be welded can be aligned with each other, thereby improving the accuracy of stainless steel plate welding, avoiding the problem of misalignment of stainless steel plates, leading to deviation of welding, when the stainless steel plates are butt-jointed and fixed, the return spring is extruded to be compressed, so that the stainless steel plates can be fixed in position by the pressing plate exerting downward pressure on them, thereby helping to improve the welding effect of the stainless steel plates, ensuring that the weld position is consistent with the design drawing, and avoiding size deviation or structural defects caused by misalignment.

[0006] Preferably, the smoke removing mechanism comprises a supporting plate fixedly connected to the top of the bottom plate, a chamfer plate fixedly connected to the front of the supporting plate, a rotating shaft rotatably connected to the inner wall of the chamfer plate, a rotating plate one fixedly connected to the circumferential surface of the rotating shaft, a suction fan fixedly connected to the front of the rotating plate one, a rotating plate two fixedly connected to the circumferential surface of the rotating shaft, a straight plate fixedly connected to the top of the push plate, a roller rotatably connected to the inner wall of the straight plate, a protruding block plate fixedly connected to the inner wall of the rotating plate two, and a scraper threadedly connected to the circumferential surface of the two-way screw rod, wherein the rotating shaft is rotated to drive the rotating plate one to rotate, and the rotating plate one is rotated to drive the suction fan to rotate, so that the welding fume generated in the welding process can be sucked away, thereby reducing the influence of the welding fume on the workers and improving the work efficiency of the workers.

[0007] Preferably, the adjusting mechanism comprises a connecting rod rotatably connected to the inner wall of the rotating plate one, a sagging plate fixedly connected to the circumferential surface of the connecting rod, a counterweight fixedly connected to the bottom of the sagging plate, a conducting plate fixedly connected to the top of the supporting plate, a threaded rod movably connected to the inner wall of the push plate, a limiting rod slidably connected to the inner wall of the push plate, and an adjusting plate fixedly connected to the left side of the limiting rod, wherein the conducting plate is vibrated during the smoke removing process, and then the conducting plate transmits the vibration to the hollow frame, so that the welding slag on the surface of the hollow frame is loosened and falls into the collecting box from the gap of the hollow frame, thereby further improving the collecting effect of the welding slag, reducing the labor intensity of the workers, and avoiding that the welding slag is firmly attached and difficult to clean.

[0008] The technical scheme of the present application can bring the following beneficial effects:

[0009] 1. The stainless steel flat plate welding device, through the cooperation operation between the bottom plate, the supporting plate, the hollow frame, the bidirectional screw rod, the sliding plate, the push plate, the chamfer block, the sliding rod, the lower pressing plate, the reset spring, the moving plate, the inclined strip and the friction wheel, when welding is needed, the sliding plate moves to the right to drive the push plate to move to the right, so that the mutual alignment of the stainless steel plates to be welded can be ensured, thereby the precision of the stainless steel plate welding can be improved, and the problem of positional misalignment of the stainless steel plates leading to welding deviation is avoided; when butt joint fixing of the stainless steel plates is performed, the reset spring is extruded to be compressed, so that the stainless steel plates can be fixed in position by the lower pressing plate exerting downward pressure on the stainless steel plates, thereby the welding effect of the stainless steel plates can be improved, the weld position can be ensured to be consistent with the design drawing, and dimensional deviation or structural defects caused by misalignment are avoided.

[0010] 2. The stainless steel flat plate welding device, through the cooperation operation between the supporting plate, the chamfer plate, the rotating shaft, the rotating plate one and the air suction fan, when fixing is performed, the rotating shaft rotates to drive the rotating plate one to rotate, and the rotating plate one rotates to drive the air suction fan to rotate, so that the welding fume generated in the welding process can be sucked away, thereby the influence of the welding fume on the workers can be reduced to improve the work efficiency of the workers.

[0011] 3. The stainless steel flat plate welding device, through the cooperation operation between the rotating plate two, the straight plate, the roller, the protruding block plate and the scraper, when starting and ending fixing, the scraper moves to contact the bottom of the hollow frame, so that the welding slag adhering to the side wall of the hollow frame can be scraped off, the accumulation of too much welding slag affecting the positioning and welding of the stainless steel plates is avoided, and the welding effect of the stainless steel plates is further improved.

[0012] 4. The stainless steel flat plate welding device, through the cooperation operation between the connecting rod, the drooping plate, the counterweight block and the conduction plate, in the process of smoke removal, the conduction plate itself vibrates, then the conduction plate transmits the vibration to the hollow frame, so that the welding slag on the surface of the hollow frame is loosened and falls into the inside of the collection box from the gap of the hollow frame, thereby the collection effect of the welding slag can be further improved, the labor intensity of the workers is reduced, and the welding slag that is firmly adhered and difficult to clean is avoided.

[0013] 5. The stainless steel flat plate welding device, through the cooperation operation between the threaded rod, the limiting rod, the adjusting plate and the collection box, when the stainless steel flat plate is too large or too small to affect the fixing thereof, the adjusting plate moves to drive the limiting rod to move, so that stainless steel flat plates of different sizes and widths can be fixed, the diversity of the device in use can be improved, and the use effect of the device can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the present application.

[0015] Figure 2 For the present application Figure 1 Enlarged view of structure at A in the present application;

[0016] Figure 3 For the present application smoke removal mechanism schematic diagram;

[0017] Figure 4 For the present application Figure 3 Enlarged view of structure at B in the present application;

[0018] Figure 5 For the present application adjustment mechanism half sectional view;

[0019] Figure 6 For the present application Figure 5 Enlarged view of structure at C in the present application;

[0020] Figure 7 For the present application limit rod structure schematic diagram.

[0021] In the figure: 1, the bottom plate; 2, support plate; 3, hollow frame; 4, bidirectional screw; 5, sliding plate; 6, push plate; 7, chamfer block; 8, sliding rod; 9, down plate; 10, reset spring; 11, moving plate; 12, inclined bar; 13, friction wheel; 14, smoke removal mechanism; 141, support plate; 142, chamfer plate; 143, rotating shaft; 144, rotating plate one; 145, air blower; 146, rotating plate two; 147, straight plate; 148, roller; 149, protruding block plate; 1410, scraper; 15, adjustment mechanism; 151, connecting rod; 152, drooping plate; 153, counterweight; 154, transmission plate; 155, threaded rod; 156, limit rod; 157, adjustment plate; 158, collection box. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-7One embodiment of the present application is: a welding device for stainless steel flat plates, comprising a bottom plate 1, the top of the bottom plate 1 is fixedly connected with a support plate 2, the inner wall of the support plate 2 is fixedly connected with a hollow frame 3, the inner wall of the support plate 2 is rotatably connected with a bidirectional screw 4, the circumference of the bidirectional screw 4 is threadedly connected with a sliding plate 5, the surface of the sliding plate 5 is fixedly connected with a push plate 6, the right side of the support plate 2 is fixedly connected with a chamfer block 7, the inner wall of the chamfer block 7 is slidably connected with a sliding rod 8, the circumference of the sliding rod 8 is fixedly connected with a lower pressing plate 9, the bottom of the sliding rod 8 is fixedly connected with a return spring 10, the top of the bottom plate 1 is provided with a smoke removal mechanism 14 for absorbing welding fume during welding, the inner wall of the push plate 6 is provided with an adjusting mechanism 15 for adjusting the clamping size, the inner wall of the push plate 6 is fixedly connected with a moving plate 11, and the front of the moving plate 11 is fixedly connected with a friction wheel 13;

[0024] When welding is needed, the stainless steel plate to be welded is placed on the top of the hollow frame 3, at this time the motor starts and drives the bidirectional screw 4 to rotate, the bidirectional screw 4 rotates through the bidirectional screw groove on the surface to drive the sliding plate 5 to move to the right, the sliding plate 5 moves to the right to drive the push plate 6 to move to the right, so that the stainless steel plates to be welded can be aligned with each other, thereby improving the accuracy of stainless steel plate welding and avoiding the problem of misalignment of stainless steel plates leading to deviation in welding.

[0025] The top of the hollow frame 3 is slidably connected with the bottom of the push plate 6, and the push plate 6 is used to push the welding plate to the center for alignment, the top of the bottom plate 1 is fixedly connected with the bottom of the return spring 10, and the return spring 10 is used to provide a restoring force for the sliding rod 8, the left side of the bidirectional screw 4 is provided with a motor, 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, and the circumference of the friction wheel 13 is in contact with the top of the inclined strip 12;

[0026] When the stainless steel plate is butt-jointed and fixed, the push plate 6 moves to drive the moving plate 11 to move, the moving plate 11 moves to drive the friction wheel 13 to move, the friction wheel 13 moves to contact the inclined strip 12 and applies a downward extrusion force to the inclined strip 12, so that the inclined strip 12 can move downward, the inclined strip 12 moves downward to drive the sliding rod 8 to move downward, the sliding rod 8 moves downward to drive the lower pressing plate 9 to move downward and extrude the return spring 10 to compress it, so that the lower pressing plate 9 can apply a downward pressure to the stainless steel plate to fix its position, thereby helping to improve the welding effect of the stainless steel plate, ensuring that the weld position is consistent with the design drawing, and avoiding size deviation or structural defects caused by misalignment.

[0027] Working principle: when welding is needed, the motor starts at this time and drives the bidirectional screw rod 4 to rotate, the bidirectional screw rod 4 rotates through the surface bidirectional screw groove to drive the sliding plate 5 to move to the right side, which can ensure that the mutually welded stainless steel plates are aligned with each other, when the stainless steel plates are butt-jointed and fixed, the inclined strip 12 can move downward, the inclined strip 12 moves downward to drive the sliding rod 8 to move downward, the sliding rod 8 moves downward to drive the pressing plate 9 to move downward, and the reset spring 10 is extruded to be compressed, so that the position of the stainless steel plate can be fixed by the pressing plate 9 to exert downward pressure on the stainless steel plate, thereby helping to improve the welding effect of the stainless steel plate.

[0028] Please refer to Figures 1-7 , on the basis of the above embodiment, in another embodiment of the application, the smoke removing mechanism 14 includes a support plate 141 fixedly connected to the top of the bottom plate 1, a chamfer plate 142 fixedly connected to the front of the support plate 141, a rotating shaft 143 rotatably connected to the inner wall of the chamfer plate 142, a rotating plate one 144 fixedly connected to the circumferential surface of the rotating shaft 143, a suction fan 145 fixedly connected to the front of the rotating plate one 144, a rotating plate two 146 fixedly connected to the circumferential surface of the rotating shaft 143, a straight plate 147 fixedly connected to the top of the push plate 6, a roller 148 rotatably connected to the inner wall of the straight plate 147, a protruding block plate 149 fixedly connected to the inner wall of the rotating plate two 146, and a scraper 1410 threadedly connected to the circumferential surface of the bidirectional screw rod 4;

[0029] When fixing, the push plate 6 moves to the right to drive the straight plate 147 to move, the straight plate 147 moves to drive the roller 148 to move to the right, the roller 148 moves to contact the arc block of the protruding block plate 149 and extrude the protruding block plate 149 upward, so as to move upward, the protruding block plate 149 moves upward to drive the rotating plate two 146 to rotate upward, the rotating plate two 146 rotates upward to drive the rotating shaft 143 to rotate, the rotating shaft 143 rotates to drive the rotating plate one 144 to rotate, and the rotating plate one 144 rotates to drive the suction fan 145 to rotate, so as to suck away the welding smoke generated in the welding process, thereby reducing the influence of the welding smoke on the workers and improving the work efficiency of the workers;

[0030] The circumferential surface of the roller 148 and the bottom of the protruding block plate 149 are in contact with each other, and the roller 148 extrudes the protruding block plate 149 during operation, the bottom of the scraper 1410 and the bottom of the hollow frame 3 are in contact with each other, and the scraper 1410 is used to scrape off the welding residues;

[0031] When starting and ending fixation, the air suction fan 145 swings up and down along the central axis of the rotating shaft 143, so that the smoke suction range of the air suction fan 145 can be improved, and the air suction fan 145 itself can vibrate, so that the accumulated ash attached to the inner wall of the air suction fan 145 can be shaken off, avoiding that too much ash accumulated in the air suction fan 145 affects the absorption of the ash, and in the process of fixing the stainless steel plate, the bidirectional screw rod 4 rotates to drive the scraper 1410 to move through the threads on the surface, and the scraper 1410 moves to contact the bottom of the hollow frame 3, so that the slag attached to the side wall of the hollow frame 3 can be scraped off, avoiding that too much slag affects the positioning and welding of the stainless steel plate, and further improving the welding effect of the stainless steel plate.

[0032] Working principle: when fixing, the push plate 6 moves to the right to drive the straight plate 147 to move, the straight plate 147 drives the roller 148 to move to the right, and the roller 148 moves to contact the arc block of the protruding block plate 149, so that the welding fume generated in the welding process can be sucked away, thereby reducing the influence of the welding fume on the workers and improving the work efficiency of the workers, and in the process of fixing the stainless steel plate, the bidirectional screw rod 4 rotates to drive the scraper 1410 to move through the threads on the surface, avoiding that too much slag affects the positioning and welding of the stainless steel plate, and further improving the welding effect of the stainless steel plate.

[0033] The adjusting mechanism 15 comprises a connecting rod 151 rotatably connected to the inner wall of the rotating plate one 144, a sag plate 152 fixedly connected to the circumference of the connecting rod 151, a counterweight 153 fixedly connected to the bottom of the sag plate 152, a conduction plate 154 fixedly connected to the top of the support plate 2, a threaded rod 155 movably connected to the inner wall of the push plate 6, a limiting rod 156 slidably connected to the inner wall of the push plate 6, and an adjusting plate 157 fixedly connected to the left side of the limiting rod 156.

[0034] In the process of removing the fume, the rotating plate one 144 drives the connecting rod 151 to swing up and down, and the connecting rod 151 itself rotates on the inner wall of the rotating plate one 144, the connecting rod 151 drives the sag plate 152 to rotate, the sag plate 152 sags by gravity when moving up and down, the movement of the sag plate 152 drives the counterweight 153 to move, the counterweight 153 moves to contact the conduction plate 154 and generates an impact force on the conduction plate 154, so that the conduction plate 154 itself vibrates, and then the conduction plate 154 transmits the vibration to the hollow frame 3, so that the slag on the surface of the hollow frame 3 is loosened and falls into the inside of the collecting box 158 from the gaps of the hollow frame 3, thereby further improving the collection effect of the slag, reducing the labor intensity of the workers, and avoiding the problem that the slag is firmly attached and difficult to clean.

[0035] The counterweight 153 will generate an impact force on the conducting plate 154 during movement, and the conducting plate 154 will transmit the impact force to the hollow frame 3, the circumferential surface of the threaded rod 155 is rotationally connected with the inner wall of the adjusting plate 157, the top of the collecting box 158 is in contact with the bottom of the scraper 1410, and the collecting box 158 is used for collecting the falling welding slag;

[0036] When the stainless steel plate is too large or too small to be fixed, the threaded rod 155 is rotated by twisting the knob, the threaded rod 155 is in threaded contact with the clamping block arranged on the inner wall of the push plate 6, so that the threaded rod 155 can move left and right, the threaded rod 155 drives the adjusting plate 157 to move, and the adjusting plate 157 drives the limiting rod 156 to move, so that stainless steel plates of different sizes and widths can be fixed, and the versatility of the device during use can be improved, so that the use effect of the device can be improved.

[0037] Working principle: during the process of removing smoke, the rotating plate 144 drives the connecting rod 151 to swing up and down, the counterweight 153 moves and contacts the conducting plate 154, and generates an impact force on the conducting plate 154, so that the welding slag on the surface of the hollow frame 3 is loosened and falls into the inside of the collecting box 158 from the gap 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 plate is too large or too small to be fixed, the adjusting plate 157 drives the limiting rod 156 to move, so that stainless steel plates of different sizes and widths can be fixed, and the versatility of the device during use can be improved, so that the use effect of the device can be improved.

[0038] The present application provides a welding device for stainless steel plate, and there are many methods and ways to realize the technical scheme, and the above description is only the preferred embodiment of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the principle of the present application, some improvements and refinements can be made, which should be regarded as the protection scope of the present application. The components not explicitly described in the embodiment can be realized by the existing technology.

Claims

1. A welding device for stainless steel flat plates, comprising a base plate (1), characterized in that: A support plate (2) is fixedly connected to the top of the base plate (1). A hollow frame (3) is fixedly connected to the inner wall of the support plate (2). A two-way 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 two-way screw (4). A push plate (6) is fixedly connected to the surface of the sliding plate (5). A chamfer 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 chamfer block (7). A lower pressure 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 fume extraction mechanism (14) for absorbing welding fumes during welding is provided on the top of the base plate (1). An adjustment mechanism (15) for adjusting the clamping size is provided 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). The lower pressure plate (9) is used to fix the welding plate, and the circumferential surface of the friction wheel (13) is in contact with the top of the inclined bar (12); The smoke removal mechanism (14) includes a support plate (141), which is fixedly connected to the top of the base 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 (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 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 protrusion 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 (4). 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 bar (12) and apply a downward squeezing force to the inclined bar (12), so that the inclined bar (12) can move downward.

2. The welding device for stainless steel plates 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 toward the center for alignment. The top of the base plate (1) is fixedly connected to the bottom of the reset spring (10), and the reset spring (10) is used to provide a reset 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.

3. The welding device for stainless steel plates according to claim 2, characterized in that: The circumferential surface of the roller (148) is in contact with the bottom of the protrusion plate (149), and the roller (148) applies a squeezing force to the protrusion 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 residue.

4. The welding device for stainless steel plates according to claim 3, characterized in that: The adjustment mechanism (15) includes a connecting rod (151), which is rotatably connected to the inner wall of the rotating plate (144). A pendant plate (152) is fixedly connected to the circumferential surface of the connecting rod (151), and a counterweight block (153) is fixedly connected to the bottom of the pendant plate (152). A conduction plate (154) is fixedly connected to the top of the support plate (2).

5. The welding device for stainless steel plates according to claim 4, characterized in that: The inner wall of the push plate (6) is movably connected to a threaded rod (155), and the inner wall of the push plate (6) is slidably connected to a limit rod (156). An adjustment plate (157) is fixedly connected to the left side of the limit rod (156).

6. The welding apparatus for stainless steel plates according to claim 5, characterized in that: The counterweight (153) will generate an impact force on the transmission plate (154) during the movement, and the transmission plate (154) will transmit the 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 scraper (1410), and the collection box (158) is used to collect the falling welding slag.

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