Automatic welding device for doors and windows

Abstract

The present invention relates to the technical field of welding equipment, and in particular to an automatic welding device for doors and windows, comprising a base plate, a disc and a connecting column, wherein the front end of the base plate is fixedly connected with the disc, the upper end of the base plate is provided with a material taking device, the upper end of the disc is provided with a flipping device, the upper end of the connecting column is provided with a tilting device, and the outer wall of the base plate is symmetrically fixedly connected with a vertical plate. Through the cooperation of the flipping device and the tilting device, the telescopic end of the second cylinder is started to extend, so that the door and window are pressed against the top plate on the other side, and the first motor is controlled to work so that the output shaft of the first motor rotates to drive the second gear to rotate, and the second gear drives the third gear to rotate 180°, and the door and window are clamped again, and the other side surface of the door and window can be welded. By automatically turning over the door and window, there is no need for an operator to manually turn over and weld, which makes the present invention more convenient when welding.

Description

Technical Field

[0001] The invention relates to the technical field of welding equipment, in particular to an automatic welding device for doors and windows. Background Art

[0002] Aluminum alloy doors and windows are common types of doors and windows in modern buildings. The welding process is crucial to the quality and service life of the product. The welding methods of aluminum alloy doors and windows mainly include argon arc welding, friction stir welding and laser welding. Argon arc welding is the most commonly used welding method. It can use DC or AC power supply and has the advantages of good weld quality and strong controllability.

[0003] Firstly, in the existing equipment for welding doors and windows, when welding doors and windows, operators are required to turn over the doors and windows for welding, which makes the device inconvenient when welding doors and windows.

[0004] Secondly, in the existing equipment for welding doors and windows, operators are required to manually load and unload materials for welding, which results in a long preparation time and affects the working efficiency of the existing equipment.

[0005] At the same time, the existing equipment for welding doors and windows is not convenient for quickly positioning the doors and windows, so that when the existing equipment is used to weld doors and windows, it takes a long time to adjust to fix the position of the doors and windows. When the welding equipment is welding, the initial position of the welding gun and the position of the doors and windows are in corresponding positions, resulting in poor loading effect of the existing equipment. Summary of the invention

[0006] The purpose of the present invention is to solve the problems in the prior art that manual flipping and welding are required, resulting in inconvenience in welding, manual loading and unloading are required, resulting in low work efficiency, and it is inconvenient to quickly position doors and windows, resulting in poor loading effect, and to propose an automatic welding device for doors and windows.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] An automatic door and window welding device is designed, comprising a base plate, a disc and a connecting column, the front end of the base plate is fixedly connected to the disc, the upper end of the base plate is provided with a material taking device, the upper end of the disc is provided with a flipping device, the upper end of the connecting column is provided with a tilting device, the outer wall of the base plate is symmetrically fixedly connected to vertical plates, the upper ends of the vertical plates on both sides are fixedly connected to a mounting plate, and the upper end of the mounting plate is fixedly connected to a robotic arm base.

[0009] Preferably, the material taking device comprises a first rack, a first gear, a frame, a first rotating shaft, a first cylinder and a circular plate;

[0010] The first cylinder is fixedly connected to the base plate, the telescopic end of the first cylinder is fixedly connected to the first rack, the first rack is meshed with the first gear, the rotating shaft of the first gear is fixedly connected to the first rotating shaft, both ends of the first rotating shaft are rotatably connected to the circular plates on both sides through bearings, the lower ends of the circular plates are fixedly connected to the base plate, and the outer wall of the first rotating shaft is fixedly connected to a frame.

[0011] Preferably, the inner wall of the frame is fixedly connected to the two ends of the slide rod respectively, the outer wall of the slide rod is slidably connected to the two slide plates, the upper ends of the slide plates on both sides pass through the frame, and the inner upper ends of the slide plates are fixedly connected to clamps.

[0012] Preferably, the flipping device comprises a turntable, a second gear, a first motor and a third gear;

[0013] The turntable is rotatably connected to the disc via a bearing, a third gear is fixedly connected to the outer wall of the turntable, the third gear is meshed with the second gear, the lower end of the second gear rotation shaft is rotatably connected to the disc via a bearing, the upper end of the second gear is fixedly connected to the output shaft of the first motor, and the first motor is fixedly connected to the disc via a motor frame.

[0014] Preferably, the upper end of the turntable is fixedly connected to a connecting column, the outer wall of the connecting column is rotatably connected to the bracket via a bearing, and the lower end of the bracket is fixedly connected to the turntable.

[0015] Preferably, the tilting device comprises a groove plate, a bent plate, a support block, a through-hole block, a second rack, a second cylinder, a sleeve, a first round rod, a support plate, a second round rod, a third cylinder, a through-hole plate, a bent block, a second rotating shaft and a transmission block;

[0016] The lower end of the through-hole plate is fixedly connected to the connecting column, the upper end of the through-hole plate is symmetrically fixedly connected to a support block, the support blocks on both sides are rotatably connected to the second rotating shaft through bearings, a transmission block is fixedly connected to the middle of the outer wall of the second rotating shaft, the surface of the transmission block is provided with teeth meshing with the second rack, one end of the second rack is fixedly connected to the telescopic end of the second cylinder, the upper end of the transmission block is fixedly connected to a groove plate, the lower end of the right side of the groove plate is symmetrically fixedly connected to a bent plate, the lower ends of the bent plates penetrate the through-hole plate, and the bent plates on both sides The outer walls of the plates are fixedly connected to the third cylinder, the telescopic ends of the third cylinders are fixedly connected to the second round rods, the outer walls of the second round rods on both sides are slidably connected to the two through-hole blocks respectively, the through-hole blocks are fixedly connected to the bent plates on both sides respectively, the upper ends of the second round rods on both sides are fixedly connected to the support plates, the lower end of the groove plate is symmetrically fixedly connected to the bent blocks on the left side, the surface of the bent blocks is fixedly connected to the sleeves, the inner walls of the sleeves are slidably connected to the two first round rods respectively, and the upper ends of the first round rods on both sides are fixedly connected to the support plates on both sides respectively.

[0017] Preferably, a top plate is symmetrically fixedly connected to the upper end of the through-hole plate, and one side of the top plate is fixedly connected to the second cylinder.

[0018] Preferably, the outer wall of the disc is symmetrically provided with through holes, and the disc is slidingly connected to two bolts through the through holes opened on the surface, the inner wall of the frame is rotatably connected to both ends of the stud through bearings, one end of the stud passes through the frame and is fixedly connected to the output shaft of the second motor, the outer walls of the stud are respectively threadedly connected to two slides, and the second motor is fixedly connected to the frame through a motor frame.

[0019] Preferably, the upper end of the robot arm base is fixedly connected to the first section of the robot arm, one end of the first section of the robot arm is movably connected to the second section of the robot arm through a pin shaft, and one end of the second section of the robot arm is movably connected to the welding gun through a pin shaft.

[0020] The invention provides an automatic door and window welding device, which has the following beneficial effects:

[0021] Through the cooperation of the flipping device and the tilting device, when the welding of one side of the door and window is completed, the door and window are placed on the upper end of the groove plate again, and the support plates on both sides are supported with the side edges of the door and window again, and the telescopic end of the second cylinder is started to extend, so that the door and window are pressed against the top plate on the other side, and the first motor is controlled to work so that the output shaft of the first motor rotates to drive the second gear to rotate, and the second gear drives the third gear to rotate 180°, and the door and window are clamped again, and the other side surface of the door and window can be welded. The door and window can be automatically flipped over, and the operator does not need to perform manual flipping and welding, which makes the present invention more convenient when welding.

[0022] By the cooperation of the material taking device, the studs, the slide plate and the clamping plate, the groove plate can drive the door and window to tilt 45° to one side of the welding gun, so that the surface of the door and window close to the welding gun is pressed against the top plate on one side, and at the same time, the first cylinder is controlled to work, so that the telescopic end of the first cylinder is shortened to drive the first rack to move, so that the frame can drive the slide plates and clamping plates on both sides to tilt 45° to one side of the disc, so that the angle between the door and window and the slide plate is 90°, and the slide plates on both sides can drive the clamping plates on both sides to move to both sides of the door and window, and the second motor is controlled to work so that the slide plates on both sides can clamp the door and window through the clamping plates on both sides. According to the above reverse operation, the support plates on both sides are returned to their original positions, and the telescopic end of the first cylinder is started to extend to its original position, so that the door and window are clamped and then driven by the slide plates on both sides back to the state where the slide plates are in a vertical position. Since the angle between the door and window and the slide plate is a right angle, when the slide plate returns to the vertical state, the door and window are in a horizontal state, which is convenient for welding. The placed doors and windows can be automatically loaded, which shortens the preparation time and improves work efficiency. At the same time, centering clamping is performed, and the doors and windows are in a fitted state with the groove plate. After clamping, the initial positions of the doors and windows are fixed, which is convenient for welding and improves the feeding effect of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the appearance structure of the present invention;

[0024] Figure 2 For the present invention Figure 1 Schematic diagram of rear view state;

[0025] Figure 3 For the present invention Figure 1 Schematic diagram of the top view;

[0026] Figure 4 For the present invention Figure 1 Schematic diagram of the middle tilt device;

[0027] Figure 5 For the present invention Figure 1 Schematic diagram of the left side state of the middle tilt device;

[0028] Figure 6 For the present invention Figure 1 Schematic diagram of the upward-looking state of the middle tilt device;

[0029] Figure 7 For the present invention Figure 1 Schematic diagram of the left side looking up at the middle tilt device.

[0030] In the figure: 1, bottom plate; 2, material taking device; 201, first rack; 202, first gear; 203, frame; 204, first rotating shaft; 205, first cylinder; 206, round plate; 3, second motor; 4, slide bar; 5, slide plate; 6, clamping plate; 7, vertical plate; 8, turning device; 801, turntable; 802, second gear; 803, first motor; 804, third gear; 9, tilting device; 901, groove plate; 902, bent plate; 903, support block; 904, through-hole block; 905, second rack; 906, second cylinder; 907, sleeve; 908, first round rod; 909, support plate; 910, second round rod; 911, third cylinder; 912, through-hole plate; 913, bending block; 914, second rotating shaft; 915, transmission block; 10, mounting plate; 11, robot arm base; 12, first section of robot arm; 13, second section of robot arm; 14, welding gun; 15, disc; 16, bolt; 17, top plate; 18, stud; 19, bracket; 20, connecting column. DETAILED DESCRIPTION

[0031] The present invention will be further described below in conjunction with the accompanying drawings:

[0032] Refer to the attached Figure 1-7 In the present embodiment, an automatic welding device for doors and windows includes a base plate 1, a disc 15 and a connecting column 20. The front end of the base plate 1 is fixedly connected to the disc 15, the upper end of the base plate 1 is provided with a material taking device 2, the upper end of the disc 15 is provided with a turning device 8, the upper end of the connecting column 20 is provided with a tilting device 9, the outer wall of the base plate 1 is symmetrically fixedly connected to vertical plates 7, the upper ends of the vertical plates 7 on both sides are fixedly connected to the mounting plate 10, and the upper end of the mounting plate 10 is fixedly connected to a robot arm base 11.

[0033] The material taking device 2 comprises a first rack 201, a first gear 202, a frame 203, a first rotating shaft 204, a first cylinder 205 and a circular plate 206;

[0034] The first cylinder 205 is fixedly connected to the base plate 1. The first cylinder 205 can meet the working needs according to actual needs. The first cylinder 205 can drive the first rack 201 to move. The telescopic end of the first cylinder 205 is fixedly connected to the first rack 201. The first rack 201 is meshed with the first gear 202. The first rack 201 can drive the first gear 202 to rotate. The rotating shaft of the first gear 202 is fixedly connected to the first rotating shaft 204. The first gear 202 can drive the first rotating shaft 204 to rotate synchronously. Both ends of the first rotating shaft 204 are rotatably connected to the circular plates 206 on both sides through bearings. The lower ends of the circular plates 206 are fixedly connected to the base plate 1. The outer wall of the first rotating shaft 204 is fixedly connected to the frame 203. The first rotating shaft 204 can drive the frame 203 to move synchronously.

[0035] The inner walls of the frame 203 are fixedly connected to the two ends of the slide bar 4, and the outer walls of the slide bar 4 are slidably connected to the two slide plates 5. The slide bar 4 can fix the moving tracks of the slide plates 5 on both sides. The upper ends of the slide plates 5 on both sides pass through the frame 203. The upper end of the frame 203 is provided with a slideway so that the slide plates 5 on both sides can move normally. The inner upper ends of the slide plates 5 are fixedly connected with a splint 6. The splint 6 can be a steel plate, and a rubber pad with a thickness of less than 0.5 cm is provided on the surface. While increasing the friction, the deformation of the rubber pad can be reduced to ensure the stability of the clamping.

[0036] The turning device 8 includes a rotating disk 801, a second gear 802, a first motor 803 and a third gear 804;

[0037] The turntable 801 is rotatably connected to the disc 15 via a bearing to support the rotation center of the turntable 801. The outer wall of the turntable 801 is fixedly connected with a third gear 804, which is meshed with the second gear 802. The second gear 802 can drive the third gear 804 to rotate. The lower end of the rotating shaft of the second gear 802 is rotatably connected to the disc 15 via a bearing. The upper end of the second gear 802 is fixedly connected to the output shaft of the first motor 803. The first motor 803 can meet the working needs according to actual needs. The first motor 803 can drive the second gear 802 to rotate, and the first motor 803 is fixedly connected to the disc 15 via a motor frame.

[0038] The upper end of the turntable 801 is fixedly connected to a connecting column 20, and the turntable 801 can drive the through-hole plate 912 to rotate synchronously through the connecting column 20. The outer wall of the connecting column 20 is rotatably connected to the bracket 19 through a bearing, and the lower end of the bracket 19 is fixedly connected to the turntable 801. The bracket 19 can make the rotation of the connecting column 20 more stable.

[0039] The tilting device 9 includes a groove plate 901, a bent plate 902, a support block 903, a through-hole block 904, a second rack 905, a second cylinder 906, a sleeve 907, a first round rod 908, a support plate 909, a second round rod 910, a third cylinder 911, a through-hole plate 912, a bent block 913, a second rotating shaft 914 and a transmission block 915;

[0040] The lower end of the through-hole plate 912 is fixedly connected to the connecting column 20, and the upper end of the through-hole plate 912 is symmetrically fixedly connected to a support block 903. The support blocks 903 on both sides are rotatably connected to the second rotating shaft 914 through bearings. The support blocks 903 on both sides can support the second rotating shaft 914 to rotate. A transmission block 915 is fixedly connected to the middle of the outer wall of the second rotating shaft 914. The surface of the transmission block 915 is provided with teeth meshing with the second rack 905. The transmission block 915 can drive the second rotating shaft 914 to rotate. The second rack 905 One end is fixedly connected to the telescopic end of the second cylinder 906. The second cylinder 906 can meet the working needs according to actual needs. The second cylinder 906 can drive the second rack 905 to move. The upper end of the transmission block 915 is fixedly connected to the groove plate 901. The transmission block 915 can drive the groove plate 901 to rotate synchronously at a certain angle. The lower end of the right side of the groove plate 901 is symmetrically fixedly connected to the bent plate 902. The lower ends of the bent plates 902 all penetrate the through-hole plates 912. The outer walls of the bent plates 902 on both sides are fixed The third cylinder 911 is connected to the second round rod 910 on both sides, and the third cylinder 911 can meet the work needs according to actual needs. The third cylinder 911 can drive the second round rods 910 on both sides to rise and fall. The telescopic ends of the third cylinder 911 are fixedly connected to the second round rods 910. The outer walls of the second round rods 910 on both sides are respectively slidably connected to the two through-hole blocks 904. The through-hole blocks 904 on both sides can fix the motion tracks of the second round rods 910 on both sides. The through-hole blocks 904 are respectively fixedly connected to the bent plates 902 on both sides. The upper ends of 910 are fixedly connected to the support plates 909. After the support plates 909 are raised, they can support the door and window beams to prevent them from tipping over. The lower end of the groove plate 901 is symmetrically fixedly connected to a bending block 913 on the left side. The surface of the bending block 913 is fixedly connected to a sleeve 907. The inner walls of the sleeve 907 are respectively slidably connected to the two first round rods 908. The sleeves 907 on both sides can fix the moving tracks of the first round rods 908 on both sides. The upper ends of the first round rods 908 on both sides are respectively fixedly connected to the support plates 909 on both sides.

[0041] The upper end of the through-hole plate 912 is symmetrically fixedly connected to a top plate 17 , and one side of the top plate 17 is fixedly connected to the second cylinder 906 .

[0042] The outer wall of the disk 15 is symmetrically provided with through holes, and the disk 15 is slidably connected to two bolts 16 through the through holes opened on the surface. The bolts 16 on both sides can fix the disk 15 to the ground. The inner wall of the frame 203 is rotatably connected to the two ends of the stud 18 through bearings to fix the rotation center of the stud 18. One end of the stud 18 passes through the frame 203 and is fixedly connected to the output shaft of the second motor 3. The second motor 3 can meet the working needs according to actual needs. The second motor 3 can drive the stud 18 to rotate, and the outer walls of the stud 18 are respectively threadedly connected to the two skateboards 5. The stud 18 can drive the skateboards 5 on both sides to move synchronously, and the second motor 3 is fixedly connected to the frame 203 through the motor frame.

[0043] After the door and window crossbeam is placed through the cooperation of the material taking device 2, the stud 18, the slide plate 5 and the clamping plate 6, the second cylinder 906 is controlled to work, so that the telescopic end of the second cylinder 906 is shortened to drive the second rack 905 to move synchronously, so that the groove plate 901 can drive the door and window crossbeam to tilt 45° to the side of the welding gun 14, so that the surface of the door and window crossbeam close to the welding gun 14 is pressed against the top plate 17 on one side, and at the same time, the first cylinder 205 is controlled to work, so that the telescopic end of the first cylinder 205 is shortened to drive the first rack 201 to move, so that the frame 203 can drive the slide plates 5 and clamping plates 6 on both sides to tilt 45° to the side of the disc 15, so that the angle between the door and window crossbeam and the slide plate 5 is 90°, and the slide plates 5 on both sides can drive the clamping plates 6 on both sides to move to both sides of the door and window crossbeam. , control the second motor 3 to work, so that the slides 5 on both sides can clamp the door and window beams through the clamping plates 6 on both sides. According to the above reverse operation, the support plates 909 on both sides are returned to their original positions, and the telescopic end of the first cylinder 205 is started to extend to its original position, so that the door and window beams are clamped and then driven by the slides 5 on both sides back to the state where the slides 5 are in a vertical position. Since the angle between the door and window beams and the slides 5 is a right angle, when the slides 5 return to the vertical state, the door and window beams are in a horizontal state, which is convenient for welding. By automatically loading the placed door and window beams, the preparation time is shortened and the work efficiency is improved. At the same time, centering clamping is performed, and the door and window beams are in a fitting state with the groove plate 901. After clamping, the initial position of the door and window beams is fixed, which is convenient for welding and improves the loading effect of the present invention.

[0044] Through the cooperation of the flipping device 8 and the tilting device 9, when the welding of one side of the door and window beam is completed, the door and window beam is placed on the upper end of the groove plate 901 again, and the support plates 909 on both sides are supported again with the side edges of the door and window beam, and the telescopic end of the second cylinder 906 is started to extend, so that the door and window beam is pressed against the top plate 17 on the other side, and the first motor 803 is controlled to work, so that the output shaft of the first motor 803 rotates to drive the second gear 802 to rotate, and the second gear 802 drives the third gear 804 to rotate 180°, and the door and window beam is clamped again, and the other side surface of the door and window beam can be welded. The door and window beam can be automatically turned over, and the operator does not need to perform manual turning over welding, which makes the present invention more convenient when welding.

[0045] The upper end of the robot arm base 11 is fixedly connected to the first section 12 of the robot arm, one end of the first section 12 of the robot arm is movably connected to the second section 13 of the robot arm through a pin shaft, and one end of the second section 13 of the robot arm is movably connected to the welding gun 14 through a pin shaft. The two sections of the robot arm can drive the welding gun 14 to move.

[0046] Working principle:

[0047] When automatically welding doors and windows:

[0048] Place doors and windows process:

[0049] The operator places one group of beams of the door and window frame into the groove on the surface of the groove plate 901, and controls the third cylinders 911 on both sides to work, so that the telescopic ends of the third cylinders 911 on both sides extend to drive the second round rods 910 on both sides to rise synchronously, and the upward movement of the second round rods 910 on both sides can drive the support plates 909 on both sides to move upward synchronously, and the support plates 909 can drive the first round rods 908 on both sides to rise synchronously, and the first round rods 908 on both sides can slide inside the sleeves 907 on both sides. After the support plates 909 on both sides rise to a certain height, they play a supporting role to prevent the door and window beams from falling when they are about to fall.

[0050] Loading process:

[0051] After the door and window beam is placed, the second cylinder 906 is controlled to work, so that the telescopic end of the second cylinder 906 is shortened to drive the second rack 905 to move synchronously, and the second rack 905 can drive the transmission block 915 to rotate through the teeth provided on the surface of the transmission block 915, and the transmission block 915 can drive the groove plate 901 to move synchronously, so that the groove plate 901 can drive the door and window beam to tilt 45° to one side of the welding gun 14, so that the door and window beam is close to the surface of one side of the welding gun 14 and is pressed against the top plate 17 on one side, and at the same time, the first cylinder 205 is controlled to work, so that the telescopic end of the first cylinder 205 is shortened to drive the first rack 201 to move, and the first rack 201 can drive the first gear 202 to rotate, so that the first gear 202 can drive the frame 203 to rotate synchronously through the first rotating shaft 204, so that the frame 203 can drive the slide plates 5 and the clamping plates 6 on both sides to tilt 45° to one side of the disc 15, so that the angle between the door and window beam and the slide plate 5 is 90°, and the two The side slide plate 5 can drive the clamping plates 6 on both sides to move to both sides of the door and window beam, and control the second motor 3 to work, so that the output shaft of the second motor 3 rotates to drive the stud 18 to rotate, so that the stud 18 can drive the slide plates 5 on both sides to move relative to each other, so that the slide plates 5 on both sides can clamp the door and window beam through the clamping plates 6 on both sides. (Since the slide plates 5 on both sides clamp the door and window beam, and the door and window beam and the groove plate 901 are in a fitted state, the clamping positions of the door and window beam by the clamping blocks 6 on both sides are fixed, so the position of the door and window beam is fixed during welding, which is convenient for automated welding) According to the above reverse operation, the support plates 909 on both sides are returned to their original positions, and the telescopic end of the first cylinder 205 is started to extend to its original position, so that the door and window beam is clamped and then driven by the slide plates 5 on both sides to return to the state where the slide plates 5 are in a vertical position. Since the angle between the door and window beam and the slide plate 5 is a right angle, when the slide plate 5 returns to the vertical state, the door and window beam is in a horizontal state, which is convenient for welding.

[0052] Welding process:

[0053] Control the first section 12 of the robot arm, the second section 13 of the robot arm and the welding gun 14 to work, so that the welding gun 14 can weld the door and window beams. After the welding of one side of the door and window beams is completed, according to the above operation, the door and window beams are placed on the upper end of the groove plate 901 again, and the support plates 909 on both sides are supported again with the side edges of the door and window beams, and the telescopic end of the second cylinder 906 is started to extend, so that the door and window beams are pressed against the top plate 17 on the other side, and the first motor 803 is controlled to work, so that the output shaft of the first motor 803 rotates to drive the second gear 802 to rotate, and the second gear 802 drives the third gear 804 to rotate 180°, and the door and window beams are clamped again, and the other side surface of the door and window beams can be welded. After the welding is completed, the door and window beams are put back on the surface of the groove plate 901, and the operator takes it out and replaces the unwelded door and window beams to continue welding.

[0054] Although the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An automatic door and window welding device, comprising a base plate (1), a disc (15) and a connecting column (20), wherein the front end of the base plate (1) is fixedly connected to the disc (15), and characterized in that: The upper end of the bottom plate (1) is provided with a material taking device (2), the upper end of the disc (15) is provided with a turning device (8), the upper end of the connecting column (20) is provided with a tilting device (9), the outer wall of the bottom plate (1) is symmetrically fixedly connected to vertical plates (7), the upper ends of the vertical plates (7) on both sides are fixedly connected to the mounting plate (10), and the upper end of the mounting plate (10) is fixedly connected to the robot arm base (11); The material taking device (2) comprises a first rack (201), a first gear (202), a frame (203), a first rotating shaft (204), a first cylinder (205) and a circular plate (206); The first cylinder (205) is fixedly connected to the bottom plate (1); the telescopic end of the first cylinder (205) is fixedly connected to the first rack (201); the first rack (201) is meshed with the first gear (202); the rotating shaft of the first gear (202) is fixedly connected to the first rotating shaft (204); both ends of the first rotating shaft (204) are rotatably connected to the circular plates (206) on both sides via bearings; the lower ends of the circular plates (206) are fixedly connected to the bottom plate (1); and the outer wall of the first rotating shaft (204) is fixedly connected to a frame (203); The inner wall of the frame (203) is fixedly connected to the two ends of the slide bar (4), the outer wall of the slide bar (4) is slidably connected to the two slide plates (5), the upper ends of the slide plates (5) on both sides pass through the frame (203), and the inner upper ends of the slide plates (5) are fixedly connected to the clamping plates (6); The tilting device (9) comprises a groove plate (901), a bent plate (902), a support block (903), a through-hole block (904), a second rack (905), a second cylinder (906), a sleeve (907), a first round rod (908), a support plate (909), a second round rod (910), a third cylinder (911), a through-hole plate (912), a bent block (913), a second rotating shaft (914) and a transmission block (915); The lower end of the through-hole plate (912) is fixedly connected to the connecting column (20); the upper end of the through-hole plate (912) is symmetrically fixedly connected to a support block (903); the support blocks (903) on both sides are rotatably connected to the second rotating shaft (914) through bearings; a transmission block (915) is fixedly connected to the middle of the outer wall of the second rotating shaft (914); a surface of the transmission block (915) is provided with teeth meshing with the second rack (905); one end of the second rack (905) is fixedly connected to the telescopic end of the second cylinder (906); the upper end of the transmission block (915) is fixedly connected to a groove plate (901); the lower end of the right side of the groove plate (901) is symmetrically fixedly connected to a bent plate (902); the lower ends of the bent plates (902) penetrate the through-hole plate (912); the bent plates on both sides are fixedly connected to the second rotating shaft (914 ... The outer wall of the plate (902) is fixedly connected to a third cylinder (911), the telescopic end of the third cylinder (911) is fixedly connected to a second round rod (910), the outer walls of the second round rod (910) on both sides are respectively slidably connected to two through-hole blocks (904), the through-hole blocks (904) are respectively fixedly connected to the bent plates (902) on both sides, the upper ends of the second round rods (910) on both sides are fixedly connected to the support plates (909), the lower end of the groove plate (901) is symmetrically fixedly connected to a bent block (913) on the left side, the surface of the bent block (913) is fixedly connected to a sleeve (907), the inner wall of the sleeve (907) is respectively slidably connected to the two first round rods (908), and the upper ends of the first round rods (908) on both sides are respectively fixedly connected to the support plates (909) on both sides; The upper end of the through-hole plate (912) is symmetrically fixedly connected to a top plate (17), and one side of the top plate (17) is fixedly connected to the second cylinder (906); The telescopic end of the second cylinder (906) is shortened to drive the second rack (905) to move synchronously, the groove plate (901) drives the door and window crossbeam to tilt 45° toward the side of the welding gun (14), the surface of the door and window crossbeam close to the welding gun (14) is pressed against the top plate (17) on one side, the telescopic end of the first cylinder (205) is shortened to drive the first rack (201) to move, the frame (203) drives the slide plates (5) and the clamping plates (6) on both sides to tilt 45° toward the side of the disc (15), the angle between the door and window crossbeam and the slide plate (5) is 90°, and the slide plates (5) on both sides drive the clamping plates (6) on both sides to move to both sides of the door and window crossbeam.

2. The automatic door and window welding device according to claim 1, characterized in that: The turning device (8) comprises a turntable (801), a second gear (802), a first motor (803) and a third gear (804); The rotating disk (801) is rotationally connected to the disk (15) via a bearing; a third gear (804) is fixedly connected to the outer wall of the rotating disk (801); the third gear (804) is meshed with the second gear (802); the lower end of the rotating shaft of the second gear (802) is rotationally connected to the disk (15) via a bearing; the upper end of the second gear (802) is fixedly connected to the output shaft of the first motor (803); and the first motor (803) is fixedly connected to the disk (15) via a motor frame.

3. The automatic door and window welding device according to claim 2, characterized in that: The upper end of the rotating disk (801) is fixedly connected to a connecting column (20), the outer wall of the connecting column (20) is rotatably connected to a bracket (19) via a bearing, and the lower end of the bracket (19) is fixedly connected to the rotating disk (801).

4. The automatic door and window welding device according to claim 1, characterized in that: The outer wall of the disk (15) is symmetrically provided with through holes. The disk (15) is slidably connected to two bolts (16) through the through holes on the surface. The inner wall of the frame (203) is rotatably connected to two ends of a stud bolt (18) through a bearing. One end of the stud bolt (18) passes through the frame (203) and is fixedly connected to an output shaft of the second motor (3). The outer wall of the stud bolt (18) is threadedly connected to two slide plates (5). The second motor (3) is fixedly connected to the frame (203) through a motor frame.

5. The automatic door and window welding device according to claim 1, characterized in that: The upper end of the robot arm base (11) is fixedly connected to a first section (12) of the robot arm, one end of the first section (12) of the robot arm is movably connected to a second section (13) of the robot arm via a pin shaft, and one end of the second section (13) of the robot arm is movably connected to a welding gun (14) via a pin shaft.

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