CN217965221U

CN217965221U - Constant-distance tracking welding robot

Info

Publication number: CN217965221U
Application number: CN202222036810.5U
Authority: CN
Inventors: 李东; 张锐
Original assignee: Ningbo Qisi Yichuang Technology Co ltd
Current assignee: Ningbo Qisi Yichuang Technology Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-12-06
Anticipated expiration: 2032-08-04

Abstract

The utility model relates to an arc-welding equipment technical field just discloses a constant distance tracking welding robot, including the processing platform, the right side of processing platform upper end is provided with clamping jaw centre gripping subassembly. This constant distance tracking welding robot, place the weldment in the centre gripping subassembly, and it is rotatory to utilize the rotating electrical machines to drive the weldment, arc welding torch ignition point is located the welding seam department on the weldment, make the surface contact of cam follower and weldment, and be close to the welding seam as far as possible, when the surface height of weldment changes, the surface contact of welding workpiece is followed to the cam follower, make the connecting plate promote the mounting panel radial movement on linear guide, drive arc welding torch along the radial movement of weldment, keep the distance between arc welding torch and the welding seam invariable with this mode, obtain better welding quality, guarantee that the distance between welder and the welding seam can remain at the setting value all the time, reduce the influence that part deformation produced, obtain better welding quality.

Description

Constant-distance tracking welding robot

Technical Field

The utility model relates to an arc-welding equipment technical field specifically is a constant distance tracking welding robot.

Background

Arc welding is an important mode of metal connection and is widely used in daily life and industrial production, but products welded by an arc welding process still have defects, such as air holes, undercut, penetration, incomplete welding, undercut and the like, and factors causing the defects are many, wherein one important factor is that the distance between a welding gun and a welding seam is not well controlled, when the welding gun is fixed, the deformation of a workpiece to be welded can cause the change of the distance, so that the welding quality is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a welding robot is trailed to constant distance to solve the current welder that proposes in the above-mentioned background art and the distance control between the welding seam is not good, when welder is fixed, will cause the change of distance by the deformation of welding work piece, lead to welding quality poor, there is the case of solving this problem through increasing vision sensor cooperation image processing software calculation at present, the shortcoming of this kind of method lies in with high costs, consuming time long, the lower problem of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a constant-distance tracking welding robot, includes processing platform, the right side of processing platform upper end is provided with clamping jaw centre gripping subassembly, the left side of processing platform upper end is provided with rotates the centre gripping subassembly, be provided with the weldment between clamping jaw centre gripping subassembly and the rotation centre gripping subassembly, the upper end fixed mounting of processing platform has the work piece support frame, the rear side fixedly connected with fixed bolster of processing platform upper end, the upper end fixedly connected with connecting piece of fixed bolster, the front end fixed mounting of connecting piece has the fixed block, the left end fixed mounting of fixed block has linear guide, linear guide's output fixed mounting has the mounting panel, arc welding gun is installed in the left side of mounting panel upper end, the left side of mounting panel lower extreme is provided with the connecting plate, the one end of keeping away from the mounting panel of connecting plate is provided with the cam follower, places the weldment between clamping jaw centre gripping subassembly and the rotation centre gripping subassembly to drive the weldment rotation, arc welding gun power point is located the welding seam department on the weldment for cam follower and the weldment, and the surface contact of weldment, and the welding workpiece, and be close to the welding seam as far as possible when the surface height of weldment changes, the cam follower follows the surface contact of weldment, makes the mounting plate promote radial movement on linear guide, and the radial movement of welding gun along the radial movement of welding workpiece, and the welding gun obtain the constant quality between the welder.

Preferably, clamping jaw centre gripping subassembly includes mounting bracket one, limit guide rail one, limit slide block one, mount pad one, connecting rod, limit clamping jaw and drives actuating cylinder one, the right side fixedly connected with mounting bracket one of processing platform upper end, the equal fixed mounting in both sides has limit guide rail one around the mounting bracket upper end, limit guide rail one's surface sliding connection has limit slide block one, limit slide block one's upper end fixedly connected with mount pad one, both sides are respectively and two around the mount pad lower extreme limit slide block fixed connection, the upper end of mount pad one is rotated through the bearing frame and is connected with the connecting rod, the one end of connecting rod extends to the limit clamping jaw of left side fixedly connected with of mount pad one, the right side of mounting bracket one upper end is provided with and drives actuating cylinder one, utilizes to drive actuating cylinder one and promotes actuating seat one and remove, makes things convenient for the not unidimensional welding workpiece of adaptation.

Preferably, the mutual adaptation of right-hand member of spacing clamping jaw and welding workpiece, the stiff end and the mounting bracket fixed connection that drive actuating cylinder one, the flexible end and the mounting seat that drive actuating cylinder one pass through connecting block fixed connection, utilize spacing clamping jaw to carry out the centre gripping fixed to welding workpiece's right side, increase stability.

Preferably, the rotation clamping assembly comprises a second mounting frame, a second limit guide rail, a second limit slider, a second mounting seat, a rotating motor and a limit seat, the left side of the upper end of the processing platform is fixedly provided with a second mounting frame, the two upper ends of the second mounting frame are fixedly provided with a second limit guide rail, the surface of the second limit guide rail is connected with the second limit slider, the two upper ends of the second limit slider are fixedly provided with a second mounting seat, the left side of the two upper ends of the mounting seat is fixedly provided with a rotating motor, the right side of the two upper ends of the mounting seat is provided with a second limit seat, the left side of the two upper ends of the mounting frame is fixedly provided with a second driving cylinder, the two telescopic ends of the second driving cylinder and the two mounting seats pass through a connecting block fixed connection, the left sides of the two limiting seats and the welding workpiece are mutually laminated and limited, so that the rotating motor is utilized to drive the welding workpiece to rotate, and welding processing is convenient.

Preferably, the two limiting slide blocks II are respectively and fixedly connected with the front side and the rear side of the lower end of the mounting seat II, the left end of the limiting seat is rotatably connected with the mounting seat II through a bearing seat, and the output end of the rotating motor is fixedly connected with the limiting seat, so that the left side of the welding workpiece can be conveniently positioned and clamped.

Preferably, the welding workpiece is designed to be a cylindrical structure, the workpiece support frames are arranged in two, and the two workpiece support frames and the welding workpiece are matched with each other, so that the welding workpiece can be conveniently placed and positioned.

Preferably, the arc welding gun and the connecting plate are matched with each other, the cam follower is rotatably connected with the connecting plate through a silicon nitride high-temperature-resistant bearing, a protective cover is arranged on the inner side of the mounting plate, welding slag generated in the welding process is prevented from splashing on the cam follower through the protective cover, the constant distance adjusting precision in the welding process is prevented from being influenced, and the tracking accuracy is guaranteed.

Compared with the prior art, the utility model provides a constant distance tracking welding robot possesses following beneficial effect: this constant distance tracking welding robot, place the weldment in the centre gripping subassembly, carry out spacing centre gripping through spacing clamping jaw and spacing seat respectively to the both sides of weldment, and utilize the rotating electrical machines to drive the weldment rotatory, arc welding rifle ignition point is located the welding seam department on the weldment, make the surface contact of cam follower and weldment, and be close to the welding seam as far as possible, when the surface height of weldment changes, the surface contact of welding workpiece is followed to the cam follower, make the connecting plate promote the mounting panel radial movement on linear guide, drive arc welding rifle along the radial movement of weldment, keep the distance between arc welding rifle and the welding seam invariable with this mode, obtain better welding quality, guarantee that the distance between welder and the welding seam can remain at the setting value all the time, reduce the influence that part deformation produced, obtain better welding quality.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 5 is a schematic view of the three-dimensional structure of the processing platform of the present invention.

Wherein: 1. a processing platform; 2. a jaw clamping assembly; 201. a first mounting frame; 202. a first limiting guide rail; 203. a first limiting sliding block; 204. a first mounting seat; 205. a connecting rod; 206. a limiting clamping jaw; 207. driving a first air cylinder; 3. rotating the clamping assembly; 301. a second mounting frame; 302. a second limiting guide rail; 303. a second limiting sliding block; 304. a second mounting base; 305. a rotating electric machine; 306. a limiting seat; 307. a second driving cylinder; 4. welding a workpiece; 5. a workpiece support frame; 6. fixing a bracket; 7. a connecting member; 8. a fixed block; 9. a linear guide rail; 10. mounting a plate; 101. a protective cover; 11. an arc welding torch; 12. a connecting plate; 13. a cam follower.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a constant-distance tracking welding robot comprises a processing platform 1, a clamping jaw clamping assembly 2 is arranged on the right side of the upper end of the processing platform 1, the clamping jaw clamping assembly 2 comprises a first mounting frame 201, a first limit guide rail 202, a first limit slider 203, a first mounting seat 204, a connecting rod 205, a first limit slider 206 and a first drive cylinder 207, the first mounting frame 201 is fixedly connected to the right side of the upper end of the processing platform 1, the first limit guide rail 202 is fixedly mounted on the front side and the rear side of the upper end of the first mounting frame 201, the first limit slider 203 is connected to the surface of the first limit guide rail 202 in a sliding manner, the first mounting seat 204 is fixedly connected to the upper end of the first limit slider 203, the front side and the rear side of the lower end of the first mounting seat 204 are fixedly connected with the first limit slider 203 respectively, the connecting rod 205 is rotatably connected to the upper end of the first mounting seat 204 through a bearing seat, one end of the connecting rod 205 extends to the first limit slider 206 fixedly connected to the left side of the first mounting seat 204, the right side of the upper end of the first mounting frame 201 is provided with the first drive cylinder 207, the right side of the upper end of the first limit slider 206 is provided with the drive cylinder, the right end of the drive cylinder, the fixed jaw 302 is mutually matched with the right end of the upper end of the welding workpiece 4, the fixed block 302, the fixed block of the second limit slider 302, the mounting frame 302, the fixed to be provided with a second limit slider 301, the fixed to the second limit slider, the fixed block 302, the second limit slider, the mounting frame 302, the fixed to the mounting frame 302, the motor 301, the mounting frame 302 is provided with the two limit slider, the two limit slider 301, the two motor 301, the right side of the upper end of the second mounting seat 304 is provided with a limiting seat 306, the left side of the upper end of the second mounting seat 301 is fixedly provided with a second driving cylinder 307, the telescopic end of the second driving cylinder 307 is fixedly connected with the second mounting seat 304 through a connecting block, two limiting sliding blocks 303 are respectively fixedly connected with the front side and the rear side of the lower end of the second mounting seat 304, the left end of the limiting seat 306 is rotatably connected with the second mounting seat 304 through a bearing seat, the output end of a rotating motor 305 is fixedly connected with the limiting seat 306, the right side of a welding workpiece 4 is clamped and fixed through a limiting clamping jaw 206, the limiting seat 306 and the left side of the welding workpiece 4 are mutually attached and limited, the positions of the mounting seats can be adjusted through the first driving cylinder 207 and the second driving cylinder 307, the welding workpieces 4 with different sizes can be conveniently adapted, the rotating motor 305 is used for driving the welding workpiece 4 to rotate, and welding processing is convenient;

a welding workpiece 4 is arranged between the clamping jaw clamping component 2 and the rotating clamping component 3, a workpiece support frame 5 is fixedly mounted at the upper end of the processing platform 1, the welding workpiece 4 is designed in a cylindrical structure, two workpiece support frames 5 are arranged, the two workpiece support frames 5 and the welding workpiece 4 are mutually matched, the welding workpiece 4 is convenient to place and position, and the constant distance tracking structure can be used for welding parts of various shapes, the distance between a welding gun and a welding seam is kept constant in the welding process, and the structure is described by taking cylindrical welding as an example;

the rear side fixedly connected with fixed bolster 6 of processing platform 1 upper end, the upper end fixedly connected with connecting piece 7 of fixed bolster 6, the front end fixedly mounted of connecting piece 7 has fixed block 8, the left end fixedly mounted of fixed block 8 has linear guide 9, linear guide 9's output fixed mounting has mounting panel 10, arc welder 11 is installed in the left side of mounting panel 10 upper end, the left side of mounting panel 10 lower extreme is provided with connecting plate 12, the one end of connecting plate 12 of keeping away from mounting panel 10 is provided with cam follower 13, arc welder 11 and connecting plate 12 looks mutual adaptation, cam follower 13 and connecting plate 12 are connected through the high temperature resistant bearing rotation of silicon nitride, the inboard of mounting panel 10 is provided with protection casing 101, make mounting panel 10 can reciprocate through linear guide 9, thereby when welding, arc welder 11 ignition point is located the welding seam department on welding workpiece 4, cam follower 13 and the surface contact of welding workpiece 4, and be close to the welding seam as far as possible, and when the surface height of welding workpiece 4 changes, cam follower 13 follows the surface change of welding workpiece 4, make connecting plate 12 promote mounting panel 10 on linear guide 9 radial movement, drive arc welder 11 along the radial movement of welding workpiece 4, this mode keeps the arc distance between welder constant between 11 and the welding gun.

The working principle is as follows: the right side of the welding workpiece 4 is clamped and fixed by the limiting clamping jaw 206, the limiting seat 306 and the left side of the welding workpiece 4 are mutually attached and limited, the positions of the mounting seats can be adjusted by the driving cylinder I207 and the driving cylinder II 307, the welding workpieces 4 with different sizes are conveniently adapted, the welding workpiece 4 is driven to rotate by the rotating motor 305, welding processing is facilitated, during welding, the flame point of the arc welding gun 11 is located at the welding seam on the welding workpiece 4, the cam follower 13 is in contact with the surface of the welding workpiece 4 and is as close to the welding seam as possible, meanwhile, welding slag generated in the welding process is prevented from splashing onto the cam follower 13 through the protective cover 101, the constant distance adjusting precision in the welding process is influenced, a silicon nitride high-temperature-resistant bearing prevents high heat generated by arc welding from being transmitted onto the cam follower 13, the service life is influenced, when the surface height of the welding workpiece 4 is changed, the cam follower 13 follows the surface of the welding workpiece 4, the connecting plate 12 pushes the mounting plate 10 to move on the linear guide rail 9 in the radial direction, the arc welding gun 11 moves along the radial direction of the welding workpiece 4, the constant distance between the welding gun is kept in the welding process, and the welding gun is kept in the constant distance between the welding gun supporting structure, and the welding gun in the welding process, and the welding process, the welding gun is explained in the case that the welding workpiece, the welding gun supporting structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a constant distance tracking welding robot, includes processing platform (1), its characterized in that: the right side of processing platform (1) upper end is provided with clamping jaw centre gripping subassembly (2), the left side of processing platform (1) upper end is provided with rotation centre gripping subassembly (3), clamping jaw centre gripping subassembly (2) and rotation centre gripping subassembly (3) between be provided with welding workpiece (4), the upper end fixed mounting of processing platform (1) has work piece support frame (5), rear side fixedly connected with fixed bolster (6) of processing platform (1) upper end, the upper end fixedly connected with connecting piece (7) of fixed bolster (6), the front end fixed mounting of connecting piece (7) has fixed block (8), the left end fixed mounting of fixed block (8) has linear guide (9), the output fixed mounting of linear guide (9) has mounting panel (10), arc welder (11) is installed in the left side of mounting panel (10) upper end, the left side of mounting panel (10) lower extreme is provided with connecting plate (12), the one end of keeping away from mounting panel (10) of connecting plate (12) is provided with cam follower (13).

2. The constant-distance tracking welding robot according to claim 1, characterized in that: clamping jaw centre gripping subassembly (2) include mounting bracket one (201), limit guide rail one (202), limit slide block one (203), mount pad one (204), connecting rod (205), limit jaw (206) and drive actuating cylinder one (207), the right side fixedly connected with mounting bracket one (201) of processing platform (1) upper end, the equal fixed mounting in both sides has limit guide rail one (202) around mounting bracket one (201) upper end, the sliding surface of limit guide rail one (202) is connected with limit slide block one (203), the upper end fixedly connected with mount pad one (204) of limit slide block one (203), the front and back both sides of mount pad one (204) lower extreme respectively with two limit slide block one (203) fixed connection, the upper end of mount pad one (204) is rotated through the bearing frame and is connected with connecting rod (205), the one end of connecting rod (205) extends to the left side fixedly connected with limit jaw (206) of mount pad one (204), the right side of mounting bracket one (201) upper end is provided with and drives actuating cylinder one (207).

3. The constant-distance tracking welding robot according to claim 2, characterized in that: spacing clamping jaw (206) and the right-hand member mutual adaptation of welding workpiece (4), the stiff end and mounting bracket (201) fixed connection of driving actuating cylinder (207), the flexible end and the mount pad (204) of driving actuating cylinder (207) pass through connecting block fixed connection.

4. The constant-distance tracking welding robot according to claim 3, wherein: rotate centre gripping subassembly (3) and include mounting bracket two (301), two (302) of limit guide rail, two (303) of limit slide, mount pad two (304), rotating electrical machines (305), spacing seat (306) and drive actuating cylinder two (307), the left side fixed mounting of processing platform (1) upper end has two (301) of mounting bracket, the equal fixed mounting in front side both sides of two (301) upper ends of mounting bracket has two (302) of limit guide rail, the sliding surface of two (302) of limit guide rail has two (303) of limit slide, the upper end fixed mounting of two (303) of limit slide has mount pad two (304), the left side fixed mounting of two (304) upper ends of mount pad has rotating electrical machines (305), the right side of two (304) upper ends of mount pad is provided with spacing seat (306), the left side fixed mounting of two (301) upper ends of mounting bracket has drive actuating cylinder two (307), drive actuating cylinder two (307) flexible end and two (304) of mount pad pass through connecting block fixed connection.

5. The constant-distance tracking welding robot according to claim 4, wherein: the two second limiting sliding blocks (303) are fixedly connected with the front side and the rear side of the lower end of the second mounting seat (304) respectively, the left end of the second limiting seat (306) is rotatably connected with the second mounting seat (304) through a bearing seat, and the output end of the rotating motor (305) is fixedly connected with the second limiting seat (306).

6. The constant-distance tracking welding robot according to claim 1, characterized in that: the welding workpiece (4) is designed to be of a cylindrical structure, the workpiece support frames (5) are arranged in two, and the two workpiece support frames (5) are matched with the welding workpiece (4) in a mutually matched mode.

7. The constant-distance tracking welding robot according to claim 1, characterized in that: the arc welding gun (11) and the connecting plate (12) are mutually matched, the cam follower (13) and the connecting plate (12) are rotationally connected through a silicon nitride high-temperature-resistant bearing, and a protective cover (101) is arranged on the inner side of the mounting plate (10).