CN219484486U

CN219484486U - Hand welding machine

Info

Publication number: CN219484486U
Application number: CN202320196546.3U
Authority: CN
Inventors: 柳红兵
Original assignee: Shenyang Zhongcheng Steel Structure Engineering Co ltd
Current assignee: Shenyang Zhongcheng Steel Structure Engineering Co ltd
Priority date: 2023-02-13
Filing date: 2023-02-13
Publication date: 2023-08-08
Anticipated expiration: 2033-02-13

Abstract

The utility model provides a hand welding machine, which is characterized in that a rotating ring is arranged outside a three-jaw chuck, and the rotating ring can be pulled to rotate in a manual mode, so that the three-jaw chuck is driven to rotate, and further the assembled and positioned welded pipe-pipe combination is driven to rotate; the driving device drives the sliding block to move left and right, so that the welding gun at the upper end is driven to move left and right, swing welding is realized, the device can be realized only by operating the rotating ring by a welder, and the operation difficulty of swing welding is greatly reduced.

Description

Hand welding machine

Technical Field

The utility model relates to the technical field of welding, in particular to a hand-operated welding machine.

Background

The traditional welding method comprises the following steps: the welding gun nozzle is kept at a certain distance from the groove of the pipe wall, the welding gun is grasped by the thumb and the index finger of the right hand, and the rest 3 fingers lean against the pipe wall to do support and swing left and right (or directly hang in the air to carry out strip conveying).

In order to improve the welding efficiency and reduce the labor intensity of welders, a clamp for welding is invented, for example, the application number is: 201620087411.3, which comprises a workbench, a support, a bearing, a crankshaft rocker and a three-jaw chuck, wherein the support is fixed on the workbench, and the bearing is fixedly embedded in the support; the crankshaft rocker comprises a crank and a rocker, the rocker is in rolling connection with the bearing, and one end of the rocker is fixedly connected with the three-jaw chuck; the three-jaw chuck clamps the pipe-pipe combination welding piece and ensures that the pipe-pipe combination welding piece is in a horizontal position, and the rocker can drive the three-jaw chuck and the pipe-pipe combination welding piece to rotate together by shaking a crank of a crank shaft.

Said utility model is a manual fixture, and can make the pipe-pipe butt welding molten pool be in horizontal position, and can utilize crankshaft rocker to conveniently regulate rotation speed of pipe-pipe butt welding member according to welding speed so as to implement continuous welding of small-diameter pipe-pipe butt girth weld. The utility model has simple structure and convenient operation, and ensures the beautiful appearance and quality of the welding seam.

However, when the thickness of the pipe wall is large, good protection and welding seam forming are not easy to form, meanwhile, the tungsten electrode is excessively extended, the defect of tungsten clamping is easy to cause, a swing method is needed, the welding is performed by directly pressing a welding gun nozzle into a pipe wall break, the wrist is utilized to swing greatly, the nozzle and two sides of a groove are rubbed and slowly moved forwards, an arc is utilized to heat and melt the blunt edge of the groove and a filled welding wire to form the welding seam, the operation technical difficulty of the swing method is high, and the operation difficulty of the swing method welding cannot be obviously reduced.

Disclosure of Invention

The utility model aims to provide a hand welding machine to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a hand-operated welding machine comprises a workbench, a mounting seat, a three-jaw chuck, a rotating ring, a supporting table, a telescopic rod, a moving plate, a welding gun, a sliding block and a driving device;

the mounting seat and the supporting table are sequentially arranged on the upper end face of the workbench from left to right, the three-jaw chuck is arranged at the right end of the mounting seat, the rotating ring arranged outside the three-jaw chuck is fixedly connected with the three-jaw chuck through a plurality of connecting rods, and a penetrating groove corresponding to the three-jaw chuck is formed in the upper end face of the supporting table;

the telescopic rod is arranged on the upper end face of the workbench, the telescopic rod is positioned on the front side of the supporting table, and the movable plate capable of moving back and forth is arranged on the upper end face of the telescopic rod;

the upper end face of the movable plate is provided with a mounting groove, the driving device and the sliding block are sequentially arranged in the mounting groove from left to right, the front end and the rear end of the lower end face of the mounting groove are provided with clamping grooves extending into the movable plate, the front end and the rear end of the sliding block extend into the clamping grooves, a connecting plate is fixedly arranged at the upper end of the sliding block, the welding gun is fixedly arranged in a through hole at the upper end of the connecting plate, and the output end of the driving device is fixedly connected with the sliding block.

Preferably, the auxiliary support frame is further included.

Preferably, the auxiliary support frame comprises support plates which are arranged on the upper end face of the workbench in a front-back symmetrical mode, and rotatable rollers are respectively arranged on one sides, close to each other, of the support plates.

Preferably, the upper end face of the telescopic rod is symmetrically provided with a track in a bilateral symmetry manner, the lower end of the movable plate is provided with a guide rail in sliding connection with the track, the upper end face of the telescopic rod is fixedly provided with a differential head, and the output end of the differential head is in butt joint with the front end face of the movable plate.

Preferably, the upper end face of the telescopic rod is provided with a rectangular groove, a first mounting column is arranged in the rectangular groove, a second mounting column is arranged at the lower end of the movable plate, and a hook tension spring is arranged between the first mounting column and the second mounting column.

Preferably, the driving device is any one of an electric telescopic rod, an oil cylinder and an air cylinder.

Compared with the prior art, the utility model has the beneficial effects that:

the rotating ring is arranged outside the three-jaw chuck, and can be pulled to rotate in a manual mode, so that the three-jaw chuck is driven to rotate, and the assembled and positioned welded pipe-pipe combination is driven to rotate; the driving device drives the sliding block to move left and right, so that the welding gun at the upper end is driven to move left and right, swing welding is realized, the device can be realized only by operating the rotating ring by a welder, and the operation difficulty of swing welding is greatly reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the support table of the present utility model;

FIG. 3 is a right side view of the three-jaw chuck of the present utility model;

FIG. 4 is a top view of the support frame of the present utility model;

FIG. 5 is an enlarged view of area A of the present utility model;

FIG. 6 is a top view of a mobile plate of the present utility model;

FIG. 7 is a cross-sectional view of a rectangular slot of the present utility model;

fig. 8 is a schematic view of the hook tension spring of the present utility model.

In the figure: 1. a work table; 11. a mounting base; 12. a three-jaw chuck; 13. a rotating ring; 14. a support table; 15. a support frame; 141. a through groove; 151. a support plate; 152. a roller; 2. a telescopic rod; 21. a track; 22. a differentiating head; 23. rectangular grooves; 231. a first mounting post; 232. a hook tension spring; 3. a moving plate; 31. a mounting groove; 32. a clamping groove; 33. a guide rail; 34. a second mounting post; 4. a welding gun; 41. a slide block; 42. a connecting plate; 5. a driving device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, the present utility model provides a technical solution: a hand-operated welding machine comprises a workbench 1, a mounting seat 11, a three-jaw chuck 12, a rotating ring 13, a supporting table 14, a telescopic rod 2, a moving plate 3, a welding gun 4, a sliding block 41 and a driving device 5;

the mounting seat 11 and the supporting table 14 are sequentially arranged on the upper end surface of the workbench 1 from left to right, the three-jaw chuck 12 is arranged on the right end of the mounting seat 11, the rotating ring 13 arranged outside the three-jaw chuck 12 is fixedly connected with the three-jaw chuck 12 through a plurality of connecting rods, and a penetrating groove 141 corresponding to the three-jaw chuck 12 is formed in the upper end surface of the supporting table 14;

the telescopic rod 2 is arranged on the upper end surface of the workbench 1, the telescopic rod 2 is positioned on the front side of the supporting table 14, and the movable plate 3 capable of moving back and forth is arranged on the upper end surface of the telescopic rod 2;

the up end of movable plate 3 is equipped with mounting groove 31, drive arrangement 5 with slider 41 from left to right sets gradually in the mounting groove 31, the front and back both ends of mounting groove 31 lower terminal surface are equipped with stretches into draw-in groove 32 in the movable plate 3, both ends stretch into in the draw-in groove 32 around slider 41, the upper end of slider 41 has set firmly connecting plate 42, welder 4 installs and fixes in the through-hole of connecting plate 42 upper end, drive arrangement 5's output with slider 41 fixed connection.

The welding gun 4 is fixed relative to the connecting plate 42 by a hexagon socket screw.

As a preferred scheme, the pipe welding device further comprises an auxiliary supporting frame 15, and by arranging the auxiliary supporting frame 15, the pipe-pipe combination after the positioning welding can be better supported and assembled, and the number and the positions of the auxiliary supporting frames 15 can be properly adjusted according to the length of the pipe fitting.

As a preferred solution, the auxiliary supporting frame 15 includes supporting plates 151 symmetrically disposed on the upper end surface of the workbench 1, and rotatable rollers 152 are respectively disposed on the sides of the front and rear symmetrical supporting plates 151 close to each other, so that the rollers 152 support the pipe fitting, and at the same time, the rollers 152 can reduce the resistance during rotation when rotating the rotating ring 13.

As a preferable scheme, the rail 21 is symmetrically arranged on the left and right of the upper end face of the telescopic rod 2, the guide rail 33 is arranged at the lower end of the moving plate 3, the direction of the front and back movement of the moving plate 3 can be limited through the cooperation of the guide rail 33 and the rail 21, and the differential head 22 is arranged on the upper end face of the telescopic rod 2, so that the output end of the differential head 22 is propped against the front end face of the moving plate 3, and the moving plate 3 can be pushed to move backwards through rotating the differential head 22; the rails 21 and 33 are dovetail-shaped, and can restrict the vertical position of the moving plate 3 relative to the telescopic rod 2.

As a preferable scheme, further, by arranging the rectangular groove 23 on the upper end face of the telescopic rod 2, arranging the first mounting column 231 in the rectangular groove 23, arranging the second mounting column 34 on the lower end of the moving plate 3, and arranging the hook tension spring 232 between the first mounting column 231 and the second mounting column 34, the moving plate 3 can be driven to reset by the action of the differential head 22 when the differential head moves forwards.

Further, the driving device 5 is preferably any one of an electric telescopic rod 2, an oil cylinder, and an air cylinder, so that the slider 41 can be driven to move left and right.

All electric parts and the adaptive power supply are connected through wires by the person skilled in the art, and a proper controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequence, and the electric connection is completed by referring to the following working principles in the working sequence among the electric parts, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted.

Example 1

The two pipe fittings are respectively placed in the through grooves 141 of the supporting table 14, the two pipe fittings are assembled and positioned and welded, then the left pipe fitting is clamped and fixed by the three-jaw chuck 12, then the welding position and the welding angle of the gun nozzle of the welding gun 4 are adjusted by adjusting the height of the telescopic rod 2 and the front and back positions of the moving plate 3, after the adjustment is finished, the driving device 5 is started, the driving device 5 drives the welding gun 4 to move left and right, meanwhile, a welder holds the rotating ring 13 by hand, rotates the rotating ring 13 according to the welding requirement, and drives the assembled and positioned welded pipe-pipe combination to rotate, so that swing welding is realized;

it should be noted that the automatic wire feeder is also included (prior art); the telescopic rod 2 is a rectangular pipe fitting with two sleeved parts, the height of which can be adjusted, and the two parts are relatively fixed through screws.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation; meanwhile, unless explicitly specified and limited otherwise, the terms "engaged", "coupled", "plugged", "welded", "mounted", "provided" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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

Claims

1. A hand welding machine, characterized in that: the device comprises a workbench (1), a mounting seat (11), a three-jaw chuck (12), a rotating ring (13), a supporting table (14), a telescopic rod (2), a moving plate (3), a welding gun (4), a sliding block (41) and a driving device (5);

the mounting seat (11) and the supporting table (14) are sequentially arranged on the upper end face of the workbench (1) from left to right, the three-jaw chuck (12) is arranged at the right end of the mounting seat (11), the rotating ring (13) arranged outside the three-jaw chuck (12) is fixedly connected with the three-jaw chuck (12) through a plurality of connecting rods, and a penetrating groove (141) corresponding to the three-jaw chuck (12) is formed in the upper end face of the supporting table (14);

the telescopic rod (2) is arranged on the upper end face of the workbench (1), the telescopic rod (2) is positioned on the front side of the supporting table (14), and the movable plate (3) capable of moving forwards and backwards is arranged on the upper end face of the telescopic rod (2);

the upper end face of movable plate (3) is equipped with mounting groove (31), drive arrangement (5) with slider (41) are from left to right set gradually in mounting groove (31), both ends are equipped with around the terminal surface under mounting groove (31) stretch into draw-in groove (32) in movable plate (3), both ends stretch into around slider (41) in draw-in groove (32), the upper end of slider (41) has set firmly connecting plate (42), welder (4) installation is fixed in the through-hole of connecting plate (42) upper end, the output of drive arrangement (5) with slider (41) fixed connection.

2. A hand welder as defined in claim 1, wherein: also comprises an auxiliary supporting frame (15).

3. A hand welder as defined in claim 2, wherein: the auxiliary support frame (15) comprises support plates (151) which are arranged on the upper end face of the workbench (1) in a front-back symmetrical mode, and rotatable rollers (152) are respectively arranged on one sides, close to each other, of the support plates (151).

4. A hand welder as defined in claim 1, wherein: the telescopic device is characterized in that rails (21) are symmetrically arranged on the left and right sides of the upper end face of the telescopic rod (2), guide rails (33) which are in sliding connection with the rails (21) are arranged at the lower end of the movable plate (3), a differential head (22) is fixedly arranged on the upper end face of the telescopic rod (2), and the output end of the differential head (22) is in butt joint with the front end face of the movable plate (3).

5. A hand welder as defined in claim 4 wherein: the telescopic device is characterized in that a rectangular groove (23) is formed in the upper end face of the telescopic rod (2), a first mounting column (231) is arranged in the rectangular groove (23), a second mounting column (34) is arranged at the lower end of the moving plate (3), and a hook tension spring (232) is arranged between the first mounting column (231) and the second mounting column (34).

6. A hand welder as defined in claim 1, wherein: the driving device (5) is any one of an electric telescopic rod (2), an oil cylinder and an air cylinder.