CN213945491U

CN213945491U - Welding fixture

Info

Publication number: CN213945491U
Application number: CN202023052389.4U
Authority: CN
Inventors: 刘登玉; 陈世浪
Original assignee: Huizhou Dengfeng Lihe Technology Co ltd
Current assignee: Huizhou Dengfeng Lihe Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-13
Anticipated expiration: 2030-12-17

Abstract

The utility model relates to the technical field of clamps, in particular to a welding clamp, which comprises a base, wherein both sides of the top of the base are provided with clamping devices, two groups of arc-shaped guide rails are arranged on the left side of the base at intervals, an arc-shaped groove is arranged between the two groups of arc-shaped guide rails, the arc-shaped groove and the arc-shaped guide rails have the same arc shape and the same circle center, the welding fixture clamps and fixes the workpieces to be welded by respectively placing the workpieces in the two groups of U-shaped plates, according to the angle to be welded, a user rotates the plate worm, the worm drives the worm wheel to rotate, so that the connecting rod is driven to the fixed frame to rotate, can dock and begin weldment work with two sets of processing pipes, easy operation and efficiency are higher, and the worm gear structure that sets up has self-locking function, has avoided the work piece clamping device to take place the condition of rocking in the course of working, and the design is comparatively reasonable.

Description

Welding fixture

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a welding jig.

Background

Welding, also known as fusion or melt welding, is a process and technique for joining metals or other thermoplastic materials, such as plastics, by heating, at high temperature or pressure, in which a fixture is used to position and secure the workpieces during welding to facilitate the welding operation.

The existing clamp is generally used for 90-degree vertical welding, and is inconvenient for workers to weld workpieces at multiple angles, so that the practicability is not high, and the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings that the staff is not convenient to carry out multi-angle welding and the like to the workpiece in the prior art, and providing a welding fixture.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

designing a welding fixture, comprising a base, wherein both sides of the top of the base are provided with clamping devices, two groups of arc-shaped guide rails are arranged at the left side of the base at intervals, an arc-shaped groove is arranged between the two groups of arc-shaped guide rails, the arc-shaped groove is the same as the arc of the arc-shaped guide rail and has the same circle center, the clamping device on the left side is connected to the top of the arc-shaped guide rail in a sliding way through a sliding block, the bottom of the base is provided with a groove, the bottom of the clamping device on the left side is fixedly connected with a pin shaft which penetrates through the arc-shaped groove and extends to the inner part of the groove, a worm wheel is rotatably connected inside the groove, the end part of the worm wheel is fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the worm wheel, is provided with a fixed frame sleeved outside the pin shaft, a worm meshed with the worm wheel is rotatably connected inside the groove, and the tip of worm runs through the base and extends to the outside, the top of base is provided with arc scale bar.

Preferably, clamping device includes L template and U template, the bottom both sides of U template all are provided with the guide arm, the guide arm activity is pegged graft on the terminal surface of L template, fixedly connected with spring between the terminal surface that L template and U template are relative, the L template passes through slider sliding connection at the top of arc guide rail.

Preferably, the top of the base is provided with a lighting lamp, and the lighting lamp is electrically connected with an external power supply through a wire.

Preferably, one end of the worm arranged outside the base is fixedly connected with a handle.

The utility model provides a pair of welding jig, beneficial effect lies in: the utility model discloses a place the machined part that will need the welded respectively and come to fixed to the machined part centre gripping in the inside of two sets of U templates, welded angle as required, the user rotor plate worm, the worm drives the worm wheel and rotates, thereby make the connecting rod take fixed frame to rotate, fixed frame promotes the L template through the round pin axle and removes on arc guide, the user can observe turned angle until adjusting the angle back that needs according to the arc scale rod, can dock two sets of processing pipes and begin weldment work, easy operation and efficiency are higher, and the worm gear structure that sets up has self-locking function, the condition that workpiece clamping device takes place to rock in the course of working has been avoided, the design is comparatively reasonable.

Drawings

Fig. 1 is a schematic structural view of a welding fixture provided by the present invention;

fig. 2 is the utility model provides a welding jig's worm structure sketch map.

In the figure: 1. a base; 2. a clamping device; 201. an L-shaped plate; 202. a U-shaped plate; 203. a guide bar; 204. a spring; 3. an arc-shaped guide rail; 4. an arc-shaped slot; 5. a groove; 6. a pin shaft; 7. a worm gear; 8. a connecting rod; 9. a fixing frame; 10. a worm; 11. an arc-shaped scale rod; 12. an illuminating lamp.

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.

Referring to fig. 1-2, a welding fixture comprises a base 1, wherein clamping devices 2 are arranged on two sides of the top of the base 1, two sets of arc-shaped guide rails 3 are arranged on the left side of the base 1 at intervals, an arc-shaped groove 4 is arranged between the two sets of arc-shaped guide rails 3, the arc-shaped groove 4 is identical to the arc shape of the arc-shaped guide rails 3 and is concentric with the center of a circle, the left clamping device 2 is slidably connected to the top of the arc-shaped guide rails 3 through a sliding block, a groove 5 is formed in the bottom of the base 1, a pin shaft 6 penetrating through the arc-shaped groove 4 and extending into the groove 5 is fixedly connected to the bottom of the left clamping device 2, a worm wheel 7 is rotatably connected inside the groove 5, a connecting rod 8 is fixedly connected to the end portion of the worm wheel 7, a fixing frame 9 sleeved on the outer side of the pin shaft 6 is arranged at one end of the connecting rod 8 far away from the worm wheel 7, a worm 10 meshed with the worm wheel 7 is rotatably connected inside the groove 5, and the end portion of the worm 10 penetrates through the base 1 and extends to the outside, the top of the base 1 is provided with an arc-shaped scale rod 11.

Clamping device 2 includes L template 201 and U template 202, and the bottom both sides of U template 202 all are provided with guide arm 203, and guide arm 203 activity is pegged graft on the terminal surface of L template 201, fixedly connected with spring 204 between the terminal surface that L template 201 and U template 202 are relative, and L template 201 passes through slider sliding connection at the top of arc guide rail 3.

The top of base 1 is provided with light 12, and light 12 is connected through the wire and external power source electricity, and the light 12 person of facilitating the use who sets up throws light on the processing in the not good condition of light.

The worm 10 sets up the one end fixedly connected with hand cranking in the base 1 outside, and the hand cranking that sets up is convenient for rotate worm 10 to improve operating efficiency.

A working mode; during operation, will stimulate U template 202 and make its and L template 201 separation, the user can place the inside at two sets of U templates 202 respectively with needs welded machined part, loosen U template 202 this moment, under the effect of spring 204, U template 202 moves to L template 201 one side, thereby it is fixed to the machined part centre gripping, welded angle as required, user rotor plate worm 10, worm 10 drives the worm wheel and rotates, thereby make connecting rod 8 take fixed frame 9 to rotate, fixed frame 9 promotes L template 201 through round pin axle 6 and moves on arc guide 3, the user can come to observe turned angle according to arc scale rod 11 until adjusting after the angle of needs, can dock and begin weldment work with two sets of processing pipes, easy operation and efficiency are higher.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a welding jig, includes base (1), its characterized in that: the clamping device is characterized in that clamping devices (2) are arranged on two sides of the top of the base (1), two groups of arc-shaped guide rails (3) are arranged on the left side of the base (1) at intervals, an arc-shaped groove (4) is arranged between the two groups of arc-shaped guide rails (3), the arc-shaped groove (4) is identical to the arc of the arc-shaped guide rails (3) and is concentric with the arc, the clamping devices (2) are connected to the top of the arc-shaped guide rails (3) in a sliding mode through a sliding block on the left side, a groove (5) is formed in the bottom of the base (1), a pin shaft (6) penetrating through the arc-shaped groove (4) and extending into the groove (5) is fixedly connected to the bottom of the clamping devices (2) on the left side, a worm wheel (7) is rotatably connected to the inside of the groove (5), a connecting rod (8) is fixedly connected to the end portion of the worm wheel (7), a fixing frame (9) sleeved on the outer side of the pin shaft (6) is arranged at one end, far away from the worm wheel (7) of the connecting rod (8), the inside of recess (5) is rotated and is connected with worm (10) with worm wheel (7) meshing, and the tip of worm (10) runs through base (1) and extends to the outside, the top of base (1) is provided with arc scale rod (11).

2. A welding fixture as defined in claim 1, wherein: clamping device (2) include L template (201) and U template (202), the bottom both sides of U template (202) all are provided with guide arm (203), guide arm (203) activity is pegged graft on the terminal surface of L template (201), fixedly connected with spring (204) between the terminal surface that L template (201) and U template (202) are relative, L template (201) pass through the top of slider sliding connection at arc guide (3).

3. A welding fixture as defined in claim 1, wherein: the top of the base (1) is provided with a lighting lamp (12), and the lighting lamp (12) is electrically connected with an external power supply through a lead.

4. A welding fixture as defined in claim 1, wherein: the worm (10) is arranged at one end of the outer side of the base (1) and is fixedly connected with a handle.