A welding machine

Abstract

The application discloses a welding machine, which comprises a horizontal operation platform, a strip-shaped groove is formed in the operation platform, a welding gun is slidably arranged on the top surface of the operation platform along the extension direction of the strip-shaped groove, a pressing roller is arranged on the front and back sides of the welding gun along the moving direction of the welding gun, the pressing roller is rollingly connected with the operation platform, a plurality of angle pieces are arranged in the strip-shaped groove in a lifting mode, and the angle pieces are distributed along the extension direction of the strip-shaped groove. After the angle pieces are lifted from the strip-shaped groove, the steel plates are abutted on the angle pieces from both sides, the positioning of the two steel plates is realized, the precision of the steel plate welding is improved, the width of the weld between the steel plates can be controlled through the angle pieces, and the steel plate welding quality is improved; during the welding process of the welding gun, the pressing roller moves along with the welding gun, the weld position of the two steel plates can be pressed through the pressing roller, the positioning of the steel plates is realized, and the steel plates can be flattened during the movement of the pressing roller, so that the weld width of the steel plates is kept stable, and the steel plate welding quality is further improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of welding, and particularly relates to a welding machine. BACKGROUND

[0002] Welding is a process of connecting two or more than two same or different materials into one body through atomic or molecular combination and diffusion. The method of promoting combination and diffusion between atoms and molecules is heating or pressurizing, or both heating and pressurizing. Metal welding is divided into three categories of fusion welding, pressure welding and brazing according to the characteristics of the process.

[0003] The Chinese patent with the publication number CN106736066A discloses a steel plate automatic welding machine, which comprises a support, the support has left and right support plates and a base, the top of the left and right support plates is connected with a guide rail, a sliding seat is slidingly installed on the guide rail, an electric welding machine and a magnetic adsorption device are fixedly installed on the sliding seat, and a workpiece support plate is installed on the support base. The electric welding machine and the magnetic adsorption device are installed at an angle of 180 degrees on the sliding seat, and the sliding seat can rotate on the guide rail. A steel plate feeding platform is also installed on the base. The steel plate waits for adsorption of the magnetic adsorption device on the feeding platform, and then moves to the workpiece support plate by the sliding block. Then the sliding seat 5 rotates by 180 degrees, so that the electric welding machine starts to work on the steel plate.

[0004] Although the welding machine realizes the automatic welding function of the steel plate, the steel plate is transported to the support plate by the magnetic adsorption device during the welding process, and the steel plate cannot be positioned before welding. If the steel plate deviates during the placement process, the steel plate welding will deviate. In addition, if the steel plate welding position is raised or uneven during the welding process, the size of the weld between the steel plates will be different, which directly affects the firmness of the steel plate welding. Therefore, a welding machine is needed to solve the above problems. SUMMARY

[0005] The present application aims to provide a welding machine to solve the technical problems of poor positioning effect of the steel plate during the welding process of the existing welding machine, and the inability to eliminate the welding deviation caused by the lifting or bending of the steel plate during the welding process, and to reduce the welding quality and precision of the steel plate.

[0006] To solve the above technical problems, the specific technical scheme of the welding machine of the present application is as follows:

[0007] A welding machine, comprising a horizontally arranged operation platform, a strip-shaped groove is formed in the operation platform, a welding gun is slidingly arranged on the top surface of the operation platform along the extension direction of the strip-shaped groove, a pressing roller is arranged on the front and back sides of the welding gun along its moving direction, the pressing roller is rollingly connected with the operation platform, a plurality of angle pieces are liftingly arranged in the strip-shaped groove, and each angle piece is distributed along the extension direction of the strip-shaped groove.

[0008] Preferably, in order to control the movement of the welding gun in different directions, the top surface of the operation platform is provided with a first translation device along the direction of the strip-shaped groove, a second translation device is drivingly connected to the first translation device, the second translation device is arranged perpendicular to the direction of the strip-shaped groove, a lifting device is drivingly connected to the second translation device, a welding gun plate is drivingly connected to the lifting device, the welding gun is connected to the welding gun plate, and a camera is further arranged on the welding gun plate.

[0009] Preferably, in order to press the steel plate by the pressing roller, a connecting plate is arranged on the welding gun plate, a through hole is vertically arranged on the connecting plate, a slide rod is slidingly arranged in the through hole along the axial direction of the through hole, the pressing roller is rotatably arranged on the bottom end of the slide rod, a spring is sleeved on the slide rod, and the two ends of the spring are connected to the bottom end of the slide rod and the connecting plate, respectively.

[0010] Preferably, in order to control the lifting of the pressing roller and facilitate the placement of the steel plate, a positioning shaft is horizontally arranged on the top end of the lifting rod, an eccentric wheel is rotatably arranged on the positioning shaft, the outer edge of the eccentric wheel abuts against the connecting plate, and a handle is further arranged on the eccentric wheel.

[0011] Preferably, in order to realize the positioning and guiding of the connecting plate, a slide rail is arranged on the side of the connecting plate away from the operation platform, the slide rail is arranged parallel to the direction of the strip-shaped groove, the slide rail is fixed to the operation platform through a profile, and a sliding block is slidingly arranged on the slide rail and fixed to the connecting plate.

[0012] Preferably, in order to reduce the wear between the pressing roller and the steel plate, a rubber sleeve is sleeved on the outer circumferential surface of the pressing roller.

[0013] Preferably, in order to facilitate the discharge of welding slag, a plurality of annular grooves are arranged on the rubber sleeve around the axial line of the pressing roller.

[0014] Preferably, in order to provide power for the lifting of the corner piece, a gas cylinder is connected to the bottom surface of the operation platform through a cylinder plate, and the movable end of the gas cylinder is detachably connected to the corner piece.

[0015] Preferably, in order to facilitate the disassembly and assembly of the corner piece and realize the fine adjustment of the position of the corner piece, the corner piece comprises a vertical part and a horizontal part, two mounting grooves perpendicular to the direction of the strip-shaped groove are arranged on the horizontal part, a threaded hole is arranged on the movable end of the gas cylinder, a bolt is arranged in the mounting groove and threadedly connected to the threaded hole, and the vertical part extends through the strip-shaped groove to above the operation platform.

[0016] The welding machine has the following advantages: after the corner piece is lifted from the strip-shaped groove, the steel plates abut against the corner piece from both sides, positioning of the two steel plates is realized, the precision of the steel plate welding is improved, the corner piece is lowered during the welding process, the width of the weld between the steel plates can be controlled through the corner piece, the steel plate welding quality is improved; during the welding process of the welding gun, the pressing roller moves along with the welding gun, the pressing roller can press the position of the weld of the two steel plates, positioning of the steel plates is realized, the steel plates can be flattened during the movement of the pressing roller, the width of the weld of the steel plates is kept stable, and the steel plate welding quality is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the welding machine of the present application.

[0018] Figure 2 It is a structural schematic view of the welding machine of the present application.

[0019] Figure 3 It is an enlarged view of A part of Figure 2

[0020] Figure 4 It is a schematic view of the mounting structure of the welding gun of the present application.

[0021] Figure 5 It is a schematic view of the mounting structure of the pressing roller of the present application.

[0022] Figure 6 It is a schematic view of the mounting structure of the corner piece of the present application.

[0023] Marking description in the figure: 1, first translation device; 2, profile; 3, camera; 4, lifting device; 5, second translation device; 6, operation platform; 7, corner piece; 8, welding gun; 9, horizontal part; 10, slide rail; 11, strip-shaped groove; 12, welding gun plate; 13, connecting plate; 14, spring; 15, rubber sleeve; 16, pressing roller; 17, air cylinder; 18, sliding block; 19, positioning shaft; 20, eccentric wheel; 21, handle; 22, slide rod; 23, air cylinder plate; 24, vertical part. DETAILED DESCRIPTION

[0024] In order to better understand the purpose, structure and function of the present application, the welding machine of the present application is further described in detail below in combination with the drawings.

[0025] As Figures 1-6 ​As shown, a welding machine, the top of the welding machine body is horizontally provided with an operation platform 6, the operation platform 6 is provided with a strip-shaped slot 11, the top surface of the operation platform 6 is provided with a first translation device 1 along the extension direction of the strip-shaped slot 11, the first translation device 1 is drivingly connected with a second translation device 5, the second translation device 5 is provided vertically to the extension direction of the strip-shaped slot 11, the second translation device 5 is drivingly connected with a lifting device 4, the lifting device 4 is drivingly connected with a welding gun plate 12, the welding gun plate 12 is installed with a welding gun 8 and a camera 3, the first translation device 1, the second translation device 5 and the lifting device 4 are all powered by a motor or a manual rotating wheel, and are driven to move by a lead screw, the first translation device 1 drives the welding gun 8 to move parallel to the strip-shaped slot 11, the second translation device 5 drives the welding gun 8 to move vertically to the strip-shaped slot 11, and the lifting device 4 drives the welding gun 8 to move vertically, so as to realize the movement of the welding gun 8 in any direction, and meanwhile, the camera 3 can collect image information to realize the tracking of the welding gun 8 and the welding state.

[0026] The welding gun plate 12 is also horizontally provided with a connecting plate 13, two through holes are vertically formed in the connecting plate 13, the projections of the two through holes on the operation platform 6 are symmetrical about the strip-shaped slot 11, a sliding rod 22 is slidingly arranged in the two through holes along the axial line direction of the through holes, the two ends of the compression roller 16 are connected with the bottom ends of the two sliding rods 22 through bearings respectively, a spring 14 is sleeved on the sliding rod 22, the two ends of the spring 14 are connected with the bottom ends of the sliding rod 22 and the connecting plate 13 respectively, the spring 14 is in a compressed state, so that the elastic force generated by the spring 14 pushes the compression roller 16 downward, a positioning shaft 19 is horizontally fixed between the top ends of the two sliding rods 22, an eccentric wheel 20 is rotatably arranged, the outer edge of the eccentric wheel 20 abuts against the connecting plate 13, a handle 21 is further arranged on the eccentric wheel 20, the handle 21 is distributed along the radial direction of the eccentric wheel 20, and the compression roller 16 is provided with two, the two compression rollers 16 are installed on the front and back sides of the movement direction of the welding gun 8 by using the same installation mode.

[0027] A rubber sleeve 15 is sleeved on the outer periphery of the compression roller 16, the rubber sleeve 15 can protect the steel plate and prevent the steel plate from being scratched, a plurality of annular grooves are uniformly formed in the outer periphery of the rubber sleeve 15 along the axial direction of the rubber sleeve 15, the annular grooves can accommodate welding slag, the welding slag is discharged, and the surface wear of the steel plate is reduced, the top surface of the operation platform 6 is erected with two sliding rails 10 through a profiled material 2, the sliding rails 10 are distributed along the extension direction of the strip-shaped slot 11, the two sliding rails 10 are both slidingly connected with a sliding block 18, the sliding block 18 is fixed with the connecting plate 13, and the sliding rail 10 cooperates with the sliding block 18 to realize the positioning and guiding effect of the connecting plate 13.

[0028] The bottom of the operation platform 6 is uniformly provided with four cylinder plates 23 along the extending direction of the strip-shaped groove 11, the cylinder plates 23 are provided with the cylinders 17, two threaded holes are formed in the movable end of the cylinder 17, the folding angle piece 7 comprises a horizontal part 9 and a vertical part 24, two installation grooves perpendicular to the extending direction of the strip-shaped groove 11 are formed in the horizontal part 9, the installation grooves are provided with bolts screwed with the threaded holes, the vertical part 24 extends upward into the strip-shaped groove 11, the cylinder 17 drives the vertical part 24 to lift and lower in the strip-shaped groove 11.

[0029] When the welding machine is used, the cylinder 17 extends the vertical part 24 of the folding angle piece 7 upward from the strip-shaped groove 11, two steel plates to be welded are placed on the two sides of the folding angle piece 7, the side edges of the steel plates to be welded abut against the folding angle pieces 7, the positioning of the two steel plates is realized, the welding precision between the two steel plates is improved, the welding width between the two steel plates can also be determined through the folding angle piece 7, the welding width between the two steel plates can be adjusted by replacing the folding angle pieces 7 with different thicknesses, the steel plate welding quality is improved, the installation grooves formed in the horizontal part 9 of the folding angle piece 7 can be matched with the bolts to finely adjust the positions of the folding angle pieces 7 in the direction perpendicular to the strip-shaped groove 11, even if the welding seam of the two steel plates is bent, the positioning of the steel plates can also be realized by adjusting the positions of the independent folding angle pieces 7, when the positioning of the steel plates is completed, the welding gun 8 moves along the welding seam, the welding of the two steel plates is realized through the welding gun 8, the compression roller 16 moves along with the welding gun 8, the spring 14 pushes the compression roller 16 downward, the compression roller 16 presses the steel plates, the displacement of the steel plates during the welding process is prevented, the steel plate welding precision is improved, the compression roller 16 can also press the positions of the steel plates that are lifted or uneven during rolling to flatten the positions, the welding width between the steel plates is kept stable, the welding quality is improved, the handle 21 rotates the eccentric wheel 20 to lift the positioning piece 19, and then the compression roller 16 is lifted, the steel plates between the compression roller 16 and the operation platform 6 are convenient to take and place, the spring 14 can control the pressure generated by the compression roller 16 on the steel plates to prevent damage caused by rigid connection between the two.

[0030] It can be understood that the present application is described by some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to the features and embodiments without departing from the spirit and scope of the present application. In addition, the features and embodiments can be modified to adapt to specific conditions and materials under the guidance of the present application without departing from the spirit and scope of the present application. Therefore, the present application is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are within the scope of the present application.

Claims

1. A welding machine comprising a horizontally arranged operating platform (6), characterized in that, The operating platform (6) is provided with a strip-shaped groove (11), a welding gun (8) is slidably arranged on the top surface of the operating platform (6) along the extending direction of the strip-shaped groove (11), the welding gun (8) is provided with a pressing roller (16) on each side along the moving direction of the welding gun (8), the pressing roller (16) is rollingly connected with the operating platform (6), a plurality of angle pieces (7) are arranged in the strip-shaped groove (11) in a lifting manner, and each angle piece (7) is distributed along the extending direction of the strip-shaped groove (11). The top surface of the operating platform (6) is provided with a first translation device (1) along the extending direction of the strip-shaped groove (11), a second translation device (5) is drivingly connected to the first translation device (1), the second translation device (5) is arranged perpendicularly to the extending direction of the strip-shaped groove (11), a lifting device (4) is drivingly connected to the second translation device (5), a welding gun plate (12) is drivingly connected to the lifting device (4), the welding gun (8) is connected with the welding gun plate (12), and a camera (3) is further arranged on the welding gun plate (12). The bottom surface of the operating platform (6) is connected with a pneumatic cylinder (17) through a pneumatic cylinder plate (23), the movable end of the pneumatic cylinder (17) is detachably connected with the angle piece (7); the angle piece (7) comprises a vertical part (24) and a horizontal part (9), two installation grooves which are distributed perpendicularly to the extending direction of the strip-shaped groove (11) are arranged on the horizontal part (9), a threaded hole is arranged on the movable end of the pneumatic cylinder (17), a bolt which is threadedly connected with the threaded hole is arranged in the installation groove, and the vertical part (24) extends through the strip-shaped groove (11) to above the operating platform (6). A connecting plate (13) is arranged on the welding gun plate (12), a through hole is vertically arranged on the connecting plate (13), a slide rod (22) is slidably arranged in the through hole along the axial line direction of the through hole, the pressing roller (16) is rotatably arranged on the bottom end of the slide rod (22), a spring (14) is sleeved on the slide rod (22), and the two ends of the spring (14) are connected with the bottom end of the slide rod (22) and the connecting plate (13) respectively; a positioning shaft (19) is horizontally arranged on the top end of the slide rod (22), an eccentric wheel (20) is rotatably arranged on the positioning shaft (19), the outer edge of the eccentric wheel (20) abuts against the connecting plate (13), and a handle (21) is further arranged on the eccentric wheel (20). A slide rail (10) is arranged on the side of the connecting plate (13) away from the operating platform (6), the slide rail (10) is arranged parallel to the extending direction of the strip-shaped groove (11), the slide rail (10) is fixed with the operating platform (6) through a profiled material (2), a sliding block (18) is slidably arranged on the slide rail (10), and the sliding block (18) is fixed with the connecting plate (13).

2. The welding machine of claim 1, wherein, A rubber sleeve (15) is sleeved on the outer circumferential surface of the pressing roller (16).

3. The welding machine of claim 2, wherein, A plurality of annular grooves are arranged on the rubber sleeve (15) around the axial line of the pressing roller (16).

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