Automatic turnover welding device for machining

Abstract

The application relates to the technical field of welding devices, and discloses an automatic overturning welding device for machining, which comprises a welding table, the top of the welding table is fixedly connected with a U-shaped table, the inner wall of the U-shaped table is slidably connected with a welding gun, the left side of the U-shaped table is fixedly connected with a motor, the inner wall of the U-shaped table is fixedly connected with a fixed frame, the output end of the motor is fixedly connected with a bidirectional screw rod, the top of the welding table is fixedly connected with a supporting table, the welding device can overturn and adjust the welding piece, can flexibly adjust the angle of the workpiece, can make the welding gun align the welding seam at a proper angle, can automatically adjust the size of the workpiece to a proper angle and move the moving plate to apply a force to the workpiece to gather the workpiece to the middle, can automatically fix and clamp the workpiece, can reduce the intervention of workers on welding, and can improve the work efficiency of the workers.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of welding devices, in particular to an automatic overturning welding device for machining. BACKGROUND

[0002] Machining is a process of changing the shape size or performance of a workpiece by a mechanical device, and welding, as an important machining process, has a wide range of applications. With the continuous development of industrial automation and the increase of labor cost, the demand for welding automation in the field of machining is increasing.

[0003] The patent with the publication number CN113967815B relates to an automatic workpiece overturning welding device for machining, and belongs to the technical field of machining. The device comprises a bottom plate, a welding frame and a lifting support structure are arranged on the middle part of the upper surface of the bottom plate; support frames are fixed on both sides of the upper surface of the bottom plate; a welding seat is arranged at the top of the welding frame; guide sleeves and advancing sleeves are arranged at both ends of the support frame, and three-jaw chucks are arranged at the ends of the guide sleeves and the advancing sleeves; a pushing mechanism is arranged at the bottom of the support frame, a driving shaft is rotatably arranged in the pushing mechanism, driving rollers are fixed on the side surface of the driving shaft, the two three-jaw chucks in the support frame are used to clamp and fix the two ends of the workpiece, the relative displacement of the two advancing sleeves is controlled to ensure the accuracy of the alignment of the workpiece, the welding seat at the top of the welding frame is controlled to move in a certain direction, and the welding of the workpiece is carried out; the rotation of the advancing sleeve is driven by the guide sleeve, the workpiece is overturned, and the workpiece overturning welding is carried out. However, the device needs to be manually fixed during welding, and then welding can be carried out, which reduces the work efficiency of workers, so an automatic overturning welding device for machining is proposed to solve the above problems. SUMMARY

[0004] The technical problem to be solved by the application is to provide an automatic overturning welding device for machining in view of the deficiencies in the prior art.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is: an automatic overturning welding device for machining, comprising a welding table, the top of the welding table is fixedly connected with a U-shaped table, the inner wall of the U-shaped table is slidably connected with a welding gun, the left side of the U-shaped table is fixedly connected with a motor, the inner wall of the U-shaped table is fixedly connected with a fixed frame, the output end of the motor is fixedly connected with a bidirectional screw rod, the top of the welding table is fixedly connected with a support table, the circumferential surface of the bidirectional screw rod is movably connected with a moving plate one, the inner wall of the moving plate one is rotatably connected with an electric turntable, the right side of the electric turntable is provided with an electric claw, the front part of the moving plate one is fixedly connected with an inclined plate, the inner wall of the welding table is provided with a slag removal device for avoiding slag accumulation, the rear part of the U-shaped table is provided with a smoke removal device for sucking away welding smoke, the surface of the fixed frame is slidably connected with a lifting plate, the surface of the lifting plate is fixedly connected with a fixed plate, the inner wall of the U-shaped table is rotatably connected with the circumferential surface of the bidirectional screw rod, the inner wall of the support table is in contact with the surface of the fixed plate, and the support table is used for placing a workpiece, the welding gun is used for welding the workpiece, pressure can be applied to both sides of the welded part, then the welded part is clamped by the electric claw, and the welded part can be firmly fixed to improve the accuracy during the welding process, the welded part can be overturned and adjusted, the workpiece angle can be flexibly adjusted, the welding gun can be aligned with the weld at a suitable angle, the size of the workpiece is automatically adjusted to a suitable angle by the electric claw, and the moving plate one moves to apply a force to the workpiece to gather it in the middle, automatic fixing and clamping of the workpiece is realized, the intervention of workers in welding is reduced, and the work efficiency of workers is improved.

[0006] Preferably, the slag removal device comprises a perforated plate fixedly connected to the inner wall of the welding table, the inner wall of the inclined plate is fixedly connected with a scraper, the surface of the scraper is fixedly connected with a connecting plate, the inner wall of the connecting plate is slidingly connected with a knocking rod through a spring, the top of the perforated plate is fixedly connected with a protrusion one, the inner wall of the scraper is rotatably connected with a reciprocating screw rod one, the circumferential surface of the reciprocating screw rod one is fixedly connected with a transmission wheel, the circumferential surface of the reciprocating screw rod one is movably connected with a push plate, the bottom of the welding table is provided with a collection box, the top of the perforated plate and the bottom of the inclined plate are in contact with each other, the top of the perforated plate and the bottom of the lifting plate are in contact with each other, the bottom of the moving plate one and the top of the perforated plate are in contact with each other, the top of the perforated plate and the bottom of the knocking rod are in contact with each other, and the knocking rod is used to vibrate the surface of the perforated plate, the top of the perforated plate and the bottom of the scraper are in contact with each other, the top of the perforated plate and the circumferential surface of the transmission wheel are in contact with each other, the bottom of the push plate and the inner wall of the scraper are slidingly connected, and the bottom of the push plate and the top of the perforated plate are in contact with each other, so that the surface of the perforated plate can be vibrated, the welding slag can be shaken off, the perforated plate can be kept clean, the normal operation of the device is avoided due to the accumulation of welding slag, the welding slag scraped off can be pushed into the collection box through the gap of the perforated plate, and then automatic collection and cleaning of the welding slag can be realized, the labor intensity of workers is reduced, and the work efficiency is improved.

[0007] Preferably, the smoke removal device comprises a fixed shell fixedly connected to the rear of the U-shaped table, a motor fixedly connected to the left side of the motor, a reciprocating screw rod two fixedly connected to the output end of the motor, a moving plate two movably connected to the circumferential surface of the reciprocating screw rod two, a suction fan rotatably connected to the front of the moving plate two, a chamfer plate fixedly connected to the bottom of the suction fan, a protrusion two fixedly connected to the inner wall of the fixed shell, the inner wall of the fixed shell and the circumferential surface of the reciprocating screw rod two are rotatably connected, the inner wall of the fixed shell and the surface of the moving plate two are slidingly connected, and the inner wall of the fixed shell and the bottom of the chamfer plate are in contact with each other, and the chamfer plate will be in contact with the protrusion two during movement, so that the welding smoke generated during welding can be removed, the workers can be prevented from inhaling welding smoke for a long time, the health problems of the workers can be avoided, the suction fan can swing up and down through the plurality of protrusions two, the suction range of the welding smoke can be improved, the smoke removal effect of the welding smoke can be further improved, and the contact between the workers and the welding smoke can be reduced.

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

[0009] 1. The automatic turnover welding device for mechanical processing can exert pressure on both sides of the welding piece through the cooperation between the welding table, the U-shaped table, the welding gun, the motor, the fixed frame, the bidirectional screw rod, the supporting table, the moving plate one, the electric rotary table, the electric clamping jaw, the inclined plate, the lifting plate and the fixed plate, then clamps the welding piece through the electric clamping jaw, and further can firmly fix the welding piece to improve the accuracy in the welding process, can turn over and adjust the welding piece, flexibly adjusts the workpiece angle, enables the welding gun to align the weld at a suitable angle, and through the electric clamping jaw, automatically adjusts the workpiece size to a suitable angle and moves the moving plate one to exert a force to the workpiece to gather it in the middle, realizes automatic fixing and clamping of the workpiece, reduces the intervention of workers on welding, and improves the work efficiency of workers.

[0010] 2. The automatic turnover welding device for mechanical processing can vibrate the surface of the hollow plate through the cooperation between the hollow plate, the scraper, the connecting plate, the knocking rod, the protruding block one, the reciprocating screw rod one, the transmission wheel, the push plate and the collection box, can make the welding slag fall off through vibration, ensures that the hollow plate remains clean, avoids the influence of the accumulation of welding slag on the normal operation of the device, and can push the scraped welding slag into the collection box through the gap of the hollow plate, and further can realize automatic collection and cleaning of the welding slag, reduces the labor intensity of workers, and improves the working speed.

[0011] 3. The automatic turnover welding device for mechanical processing can suck welding fume generated in the welding process through the cooperation between the fixed shell, the motor, the reciprocating screw rod two, the moving plate two, the air suction fan, the chamfer plate and the protruding block two, can avoid workers from inhaling welding fume for a long time and causing health problems, and through the multiple protruding blocks two, the air suction fan can swing up and down, thereby improving the suction range of welding fume and further improving the smoke removal effect of welding fume and reducing the contact of workers with welding fume. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the application;

[0013] Figure 2 It is a half sectional view of the fixed frame structure of the application;

[0014] Figure 3 It is a half sectional view of the slag removal device of the application; Figure 2 It is an enlarged view of the structure at A in the application;

[0015] Figure 4 It is a half sectional view of the slag removal device of the application;

[0016] Figure 5 It is an enlarged view of the structure at B in the application; Figure 4

[0017] ​Figure 6 Schematic view of the smoke removing device of the present application;

[0018] Figure 7 Schematic view of the smoke removing device of the present application Figure 6 Enlarged view of the structure at C in the present application.

[0019] In the figure: 1, welding table; 2, U-shaped table; 3, welding gun; 4, motor; 5, fixed frame; 6, bidirectional screw rod; 7, support table; 8, moving plate 1; 9, electric turntable; 10, electric chuck; 11, inclined plate; 12, lifting plate; 13, fixed plate; 14, slag removing device; 141, hollow plate; 142, scraper; 143, connecting plate; 144, knocking rod; 145, protrusion 1; 146, reciprocating screw rod 1; 147, transmission wheel; 148, push plate; 149, collection box; 15, smoke removing device; 151, fixed shell; 152, motor; 153, reciprocating screw rod 2; 154, moving plate 2; 155, air blower; 156, chamfered plate; 157, protrusion 2. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying 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 the other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0021] Please refer to Figures 1-7One embodiment of the present application is: an automatic turnover welding device for machining, comprising a welding table 1, the top of the welding table 1 is fixedly connected with a U-shaped table 2, the inner wall of the U-shaped table 2 is slidably connected with a welding gun 3, the left side of the U-shaped table 2 is fixedly connected with a motor 4, the inner wall of the U-shaped table 2 is fixedly connected with a fixed frame 5, the output end of the motor 4 is fixedly connected with a bidirectional screw rod 6, the top of the welding table 1 is fixedly connected with a support table 7, the circumferential surface of the bidirectional screw rod 6 is movably connected with a moving plate 8, the inner wall of the moving plate 8 is rotatably connected with an electric turntable 9, the right side of the electric turntable 9 is provided with an electric claw 10, when welding, the welding piece is placed on the top of the support table 7, at this time the motor 4 is started, the motor 4 drives the bidirectional screw rod 6 to rotate, the bidirectional screw rod 6 rotates through the contact between the sliding block in the moving plate 8 and the threads on the surface of the bidirectional screw rod 6, and generates extrusion force to make the moving plate 8 move to the right, the moving plate 8 moves to the right to drive the electric turntable 9 to move to the right, the electric turntable 9 moves to the right to drive the electric claw 10 to move, so that pressure can be applied to both sides of the welding piece, then the welding piece is clamped by the electric claw 10, and then the welding piece can be firmly fixed to improve the accuracy in the welding process, at the same time after the welding piece is fixed, the electric turntable 9 is started and rotates, the electric turntable 9 rotates to drive the electric claw 10 to rotate, so that the welding piece can be turned over and adjusted, so that the workpiece angle can be flexibly adjusted, the welding gun 3 can be aligned with the weld at a suitable angle, the front part of the moving plate 8 is fixedly connected with an inclined plate 11, the inner wall of the welding table 1 is provided with a slag removal device 14 for avoiding slag accumulation, the rear part of the U-shaped table 2 is provided with a smoke removal device 15 for sucking away welding smoke, the surface of the fixed frame 5 is slidably connected with a lifting plate 12, the surface of the lifting plate 12 is fixedly connected with a fixed plate 13, at the same time the bidirectional screw rod 6 moves to drive the inclined plate 11 to move, the inclined plate 11 moves to contact the lifting plate 12 and generates extrusion force to the lifting plate 12, so that the lifting plate 12 moves upward, the lifting plate 12 moves upward to drive the fixed plate 13 to move upward, the fixed plate 13 moves upward to push the workpiece to a suitable height, so that the electric claw 10 automatically adapts to the size of the workpiece to adjust to a suitable angle, and the moving plate 8 moves to apply force to the workpiece to gather it in the middle, to realize automatic fixing and clamping of the workpiece, to reduce the intervention of workers in welding, to improve the work efficiency of workers, after the workpiece is fixed, the lifting plate 12 moves downward along the inclined surface of the inclined plate 11, to avoid affecting the turning over of the workpiece, the inner wall of the U-shaped table 2 is rotatably connected with the circumferential surface of the bidirectional screw rod 6, the inner wall of the support table 7 is in contact with the surface of the fixed plate 13, and the support table 7 is used for placing the workpiece, the welding gun 3 is used for welding the workpiece, when welding, the welding piece is clamped by the electric claw 10, the workpiece can be quickly fixed, the accuracy in welding is improved, the electric turntable 9 rotates to drive the electric claw 10 to rotate, the workpiece can be adjusted and turned over, and the workpiece to be welded part can always be in the best welding position.

[0022] The slag removal device 14 comprises a hollow plate 141 fixedly connected to the inner wall of the welding table 1, the inner wall of the inclined plate 11 is fixedly connected with a scraper 142, the surface of the scraper 142 is fixedly connected with a connecting plate 143, the inner wall of the connecting plate 143 is slidingly connected with a knocking rod 144 through a spring, the top of the hollow plate 141 is fixedly connected with a protrusion one 145, when welding, the inclined plate 11 moves to drive the scraper 142 to move, the movement of the scraper 142 will scrape off the welding slag falling on the surface of the hollow plate 141, avoiding excessive accumulation of welding slag, the movement of the scraper 142 drives the movement of the connecting plate 143, the movement of the connecting plate 143 drives the movement of the knocking rod 144, the movement of the knocking rod 144 will contact the protrusion one 145 and will be extruded upward by the protrusion one 145 to move upward, after the knocking rod 144 passes the protrusion one 145, the knocking rod 144 will move downward through the spring, thereby generating vibration on the surface of the hollow plate 141, so that the welding slag is vibrated and falls off, ensuring that the hollow plate 141 remains clean, avoiding affecting the normal operation of the device due to the accumulation of welding slag, the inner wall of the scraper 142 is rotatably connected with a reciprocating screw rod one 146, the circumference of the reciprocating screw rod one 146 is fixedly connected with a transmission wheel 147, the circumference of the reciprocating screw rod one 146 is movably connected with a push plate 148, the bottom of the welding table 1 is provided with a collection box 149, and simultaneously the movement of the scraper 142 drives the movement of the reciprocating screw rod one 146, the movement of the reciprocating screw rod one 146 drives the movement of the transmission wheel 147, the movement of the transmission wheel 147 will contact the top of the hollow plate 141 and will drive the reciprocating screw rod one 146 to rotate through friction, the rotation of the reciprocating screw rod one 146 drives the reciprocating movement of the push plate 148, thereby pushing the scraped welding slag through the gap of the hollow plate 141 into the collection box 149, thereby realizing automatic collection and cleaning of the welding slag, reducing the labor intensity of workers and improving work efficiency, the top of the hollow plate 141 is in contact with the bottom of the inclined plate 11, the top of the hollow plate 141 is in contact with the bottom of the lifting plate 12, the bottom of the moving plate one 8 is in contact with the top of the hollow plate 141, the top of the hollow plate 141 is in contact with the bottom of the knocking rod 144, and the knocking rod 144 is used to vibrate the surface of the hollow plate 141, the top of the hollow plate 141 is in contact with the bottom of the scraper 142, the top of the hollow plate 141 is in contact with the circumference of the transmission wheel 147, the bottom of the push plate 148 is slidingly connected with the inner wall of the scraper 142, the bottom of the push plate 148 is in contact with the top of the hollow plate 141, the movement of the scraper 142 will scrape off the welding slag falling on the surface of the hollow plate 141, so that the welding slag is automatically cleaned during welding, the knocking rod 144 moves downward through the spring, which can vibrate the surface of the hollow plate 141 to improve the deslagging effect, the rotation of the reciprocating screw rod one 146 drives the reciprocating movement of the push plate 148, which can automatically collect the welding slag and reduce the labor intensity of workers.

[0023] Working principle: when welding, place the welding parts on the top of the support table 7, at this time the motor 4 starts, the motor 4 starts to drive the bidirectional screw rod 6 to rotate, the bidirectional screw rod 6 rotates through the contact between the slider inside the moving plate 8 and the threads on the surface of the bidirectional screw rod 6, and generates extrusion force to make the moving plate 8 move to the right, the moving plate 8 moves to the right to drive the electric turntable 9 to move to the right, the electric turntable 9 moves to the right to drive the electric clamping jaw 10 to move, so that the pressure can be applied to both sides of the welding parts, then the welding parts are clamped by the electric clamping jaw 10, and then the welding parts can be firmly fixed to improve the accuracy in the welding process, at the same time, after the welding parts are fixed, the electric turntable 9 starts and rotates, the electric turntable 9 rotates to drive the electric clamping jaw 10 to rotate, so that the welding parts can be turned over and adjusted, so that the workpiece angle can be adjusted flexibly, so that the welding gun 3 can be aligned with the weld at the appropriate angle, at the same time, the bidirectional screw rod 6 moves to drive the inclined plate 11 to move, the inclined plate 11 moves in contact with the lifting plate 12 and generates extrusion force on the lifting plate 12, so that the lifting plate 12 moves upward, the lifting plate 12 moves upward to drive the fixed plate 13 to move upward, the fixed plate 13 moves upward to push the workpiece to the appropriate height, so that the electric clamping jaw 10 automatically adjusts to the appropriate angle and moves the moving plate 8 to apply the force to the workpiece to gather in the middle, realizing automatic fixing and clamping of the workpiece, reducing the intervention of workers in welding, to improve the work efficiency of workers, after the workpiece is fixed, the lifting plate 12 moves downward along the inclined surface of the inclined plate 11, avoiding affecting the workpiece turning over.

[0024] Overall working principle: when welding, the welding parts are clamped by the electric clamping jaw 10, which can quickly fix the workpiece and improve the accuracy in welding, the electric turntable 9 rotates to drive the electric clamping jaw 10 to rotate, which can adjust and turn over the workpiece, so that the workpiece to be welded part is always in the best welding position.

[0025] When welding, the inclined plate 11 moves to drive the scraper 142 to move, which can scrape the welding slag on the surface of the perforated plate 141, avoiding excessive accumulation of welding slag. The movement of the scraper 142 drives the connecting plate 143 to move, which drives the knocking rod 144 to move. The knocking rod 144 will contact the protrusion one 145 during the movement and will be forced to move upward by the upward extrusion force of the protrusion one 145. After the knocking rod 144 passes the protrusion one 145, the knocking rod 144 will move downward through the spring, thereby generating vibration on the surface of the perforated plate 141, which can make the welding slag fall off due to vibration, ensuring that the perforated plate 141 remains clean and avoiding affecting the normal operation of the device due to the accumulation of welding slag. At the same time, the movement of the scraper 142 drives the reciprocating screw rod one 146 to move, which drives the transmission wheel 147 to move. The transmission wheel 147 will contact the top of the perforated plate 141 during the movement and will drive the reciprocating screw rod one 146 to rotate through friction. The rotation of the reciprocating screw rod one 146 drives the push plate 148 to reciprocate, thereby pushing the scraped welding slag into the collection box 149 through the gap of the perforated plate 141, thereby realizing automatic collection and cleaning of the welding slag, reducing the labor intensity of workers, and improving work efficiency.

[0026] Overall working principle: The movement of the scraper 142 can scrape the welding slag on the surface of the perforated plate 141, which can automatically clean the welding slag during welding. The knocking rod 144 will move downward through the spring, which can generate vibration on the surface of the perforated plate 141 to improve the deslagging effect. The rotation of the reciprocating screw rod one 146 drives the push plate 148 to reciprocate, which can automatically collect the welding slag, reducing the labor intensity of workers.

[0027] Please refer to Figures 1-7On the basis of the above-mentioned embodiment, in another embodiment of the present application, the smoke removing device 15 comprises a fixed shell 151 fixedly connected to the rear of the U-shaped table 2, a motor 152 fixedly connected to the left side of the motor 152, an output end of the motor 152 fixedly connected to a reciprocating screw rod two 153, a circumferential surface of the reciprocating screw rod two 153 movably connected to a moving plate two 154, when welding, the motor 152 is started, the motor 152 drives the reciprocating screw rod two 153 to rotate, the reciprocating screw rod two 153 rotates to contact the sliding block provided inside the moving plate two 154 with the threads on the surface of the reciprocating screw rod two 153, so that the moving plate two 154 can move, the moving plate two 154 drives the air suction fan 155 to move, so that the welding fume generated during welding can be sucked, thereby avoiding the workers from inhaling the welding fume for a long time, causing the health problems, the front of the moving plate two 154 is rotatably connected to the air suction fan 155, the bottom of the air suction fan 155 is fixedly connected to a chamfered plate 156, the inner wall of the fixed shell 151 is fixedly connected to a protrusion two 157, the inner wall of the fixed shell 151 is rotatably connected to the circumferential surface of the reciprocating screw rod two 153, the inner wall of the fixed shell 151 is slidably connected to the surface of the moving plate two 154, the inner wall of the fixed shell 151 and the bottom of the chamfered plate 156 are in contact with each other, and the chamfered plate 156 will contact the protrusion two 157 during movement, at the same time, the air suction fan 155 moves to drive the chamfered plate 156 to move, the chamfered plate 156 moves to contact the protrusion two 157, and will be extruded by the protrusion two 157, so that the chamfered plate 156 moves upward, the chamfered plate 156 moves upward to drive the air suction fan 155 to rotate, after the chamfered plate 156 passes the protrusion two 157, the air suction fan 155 falls by gravity, the air suction fan 155 can swing up and down through the plurality of protrusions two 157, so that the suction range of the welding fume can be improved, and the smoke removing effect of the welding fume can be further improved, and the contact between the workers and the welding fume is reduced.

[0028] Working principle: when welding, the motor 152 starts, the motor 152 starts to drive the reciprocating screw rod two 153 to rotate, the reciprocating screw rod two 153 rotates and makes the slider inside the moving plate two 154 contact with the screw thread on the surface of the reciprocating screw rod two 153, so that the moving plate two 154 can move, the moving plate two 154 moves to drive the air blower 155 to move, so that the welding fume generated in the welding process can be sucked and removed, thereby avoiding workers inhaling welding fume for a long time, causing physical health problems, while the air blower 155 moves to drive the chamfer plate 156 to move, the chamfer plate 156 moves and contacts the convex block two 157, and is subjected to the extrusion force of the convex block two 157, so that the chamfer plate 156 moves upward, the chamfer plate 156 moves upward to drive the air blower 155 to rotate, after the chamfer plate 156 passes the convex block two 157, the air blower 155 falls by gravity, and the air blower 155 can swing up and down through the plurality of convex block two 157, so that the suction range of the welding fume can be improved, the smoke removal effect of the welding fume can be further improved, and the contact between workers and welding fume can be reduced.

[0029] Overall working principle: the moving plate two 154 moves to drive the air blower 155 to move, can quickly remove local high-concentration smoke dust, keep the operation area clean, ensure that the welder can clearly observe the weld, improve the welding precision and quality, and the air blower 155 swings up and down, can improve the working efficiency of the air blower 155.

[0030] The present application provides an automatic turnover welding device for machining, and the method and approach for specifically implementing the technical solution are various, and the above description is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the present application, and these improvements and refinements should also 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. An automatic flipping welding device for machining, comprising a welding table (1), characterized in that: A U-shaped platform (2) is fixedly connected to the top of the welding table (1). A welding gun (3) is slidably connected to the inner wall of the U-shaped platform (2). A motor (4) is fixedly connected to the left side of the U-shaped platform (2). A fixing frame (5) is fixedly connected to the inner wall of the U-shaped platform (2). A bidirectional lead screw (6) is fixedly connected to the output end of the motor (4). A support platform (7) is fixedly connected to the top of the welding table (1). A movable plate (8) is movably connected to the circumferential surface of the bidirectional lead screw (6). An electric turntable (9) is rotatably connected to the inner wall. An electric claw (10) is provided on the right side of the electric turntable (9). An inclined plate (11) is fixedly connected to the front of the moving plate (8). A slag removal device (14) is provided on the inner wall of the welding table (1) to prevent the accumulation of welding slag. A fume removal device (15) is provided at the rear of the U-shaped table (2) to remove welding fumes. A lifting plate (12) is slidably connected to the surface of the fixed frame (5). A fixed plate (13) is fixedly connected to the surface of the lifting plate (12). The slag removal device (14) includes a perforated plate (141), which is fixedly connected to the inner wall of the welding table (1). A scraper (142) is fixedly connected to the inner wall of the inclined plate (11). A connecting plate (143) is fixedly connected to the surface of the scraper (142). A striking rod (144) is slidably connected to the inner wall of the connecting plate (143) by a spring. A protrusion (145) is fixedly connected to the top of the perforated plate (141). A reciprocating screw (146) is rotatably connected to the inner wall of the scraper (142). A transmission wheel (147) is fixedly connected to the circumferential surface of the reciprocating screw (146), and a push plate (148) is movably connected to the circumferential surface of the reciprocating screw (146). A collection box (149) is installed at the bottom of the welding table (1). The bidirectional lead screw (6) moves and drives the inclined plate (11) to move. During the movement of the inclined plate (11), it will come into contact with the lifting plate (12) and exert a squeezing force on the lifting plate (12), causing the lifting plate (12) to move upward. The upward movement of the lifting plate (12) drives the fixed plate (13) to move upward. Thus, the electric chuck (10) and the moving plate (8) move to apply a force to the workpiece to converge towards the middle, thereby achieving automatic fixing and clamping of the workpiece. After the workpiece is fixed, the lifting plate (12) will move down along the inclined surface of the inclined plate (11) to avoid affecting the flipping of the workpiece.

2. The automatic flipping welding device for machining according to claim 1, characterized in that: The inner wall of the U-shaped platform (2) is rotatably connected to the circumferential surface of the bidirectional lead screw (6), the inner wall of the support platform (7) is in contact with the surface of the fixed plate (13), and the support platform (7) is used to place the workpiece, and the welding gun (3) is used to weld the workpiece.

3. The automatic flipping welding device for machining according to claim 2, characterized in that: The top of the perforated plate (141) is in contact with the bottom of the inclined plate (11), the top of the perforated plate (141) is in contact with the bottom of the lifting plate (12), the bottom of the moving plate (8) is in contact with the top of the perforated plate (141), the top of the perforated plate (141) is in contact with the bottom of the striking rod (144), and the striking rod (144) is used to generate vibration on the surface of the perforated plate (141), the top of the perforated plate (141) is in contact with the bottom of the scraper (142), the top of the perforated plate (141) is in contact with the circumferential surface of the transmission wheel (147), the bottom of the push plate (148) is slidably connected to the inner wall of the scraper (142), and the bottom of the push plate (148) is in contact with the top of the perforated plate (141).

4. The automatic flipping welding device for machining according to claim 3, characterized in that: The smoke removal device (15) includes a fixed shell (151), which is fixedly connected to the rear of the U-shaped platform (2). A motor (152) is fixedly connected to the left side of the fixed shell (151), and a reciprocating screw two (153) is fixedly connected to the output end of the motor (152). A movable plate two (154) is movably connected to the circumferential surface of the reciprocating screw two (153).

5. The automatic flipping welding device for machining according to claim 4, characterized in that: The front of the movable plate 2 (154) is rotatably connected to a suction fan (155), the bottom of the suction fan (155) is fixedly connected to a chamfer plate (156), and the inner wall of the fixed shell (151) is fixedly connected to a protrusion 2 (157).

6. The automatic flipping welding device for machining according to claim 5, characterized in that: The inner wall of the fixed shell (151) is rotatably connected to the circumferential surface of the reciprocating lead screw (153), the inner wall of the fixed shell (151) is slidably connected to the surface of the moving plate (154), the inner wall of the fixed shell (151) is in contact with the bottom of the chamfer plate (156), and the chamfer plate (156) will contact the protrusion (157) during the movement.

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