CN219303964U

CN219303964U - Grounding device of electric welding machine

Info

Publication number: CN219303964U
Application number: CN202320450898.7U
Authority: CN
Inventors: 李晓峰; 邓新宽; 杨向山
Original assignee: China Eleventh Chemical Construction Co Ltd
Current assignee: China Eleventh Chemical Construction Co Ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-07-04
Anticipated expiration: 2033-03-10

Abstract

The utility model discloses a grounding device of an electric welding machine, which comprises a fixing piece and a connecting block, wherein the fixing piece is of a U-shaped structure with an opening towards one side; a threaded column is arranged on the connecting block in a penetrating manner, an insulating block is fixedly sleeved on the threaded column, a second bolt is arranged at the end part, far away from the connecting block, of the insulating block in parallel with the threaded column, and a magnet is arranged at the end part of the second bolt; the threaded post is connected to the conductive tip of the external ground wire. The device has simple and effective structure, is convenient to operate, and can adapt to the fixed use of components with different thicknesses, shapes and materials.

Description

Grounding device of electric welding machine

Technical Field

The utility model belongs to the field of electric welding equipment, and particularly relates to a grounding device of an electric welding machine.

Background

During the welding process, the grounding of the electric welding machine is particularly important. The grounding device of the existing electric welding machine has the defects of poor grounding effect and easy falling off in a multi-purpose plate clamp mode. When the existing plate clamp is used, the requirement on the components to be welded is limited, and when stainless steel is welded, carburization can be caused when the existing plate clamp is used for a long time, for example, a carbon steel clamp is used. In the welding process, the components to be welded may be pipes or plates, the thickness is different, the shape and the material are different, the grounding device in the existing plate clamp form is single in use, and the grounding device cannot adapt to the use of the components to be welded with different thicknesses, shapes and materials.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide the grounding device of the electric welding machine, which has a simple and effective structure, is convenient to operate, and can adapt to the fixed use of components with different thicknesses, shapes and materials.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the grounding device of the electric welding machine comprises a fixing piece and a connecting block, wherein the fixing piece is of a U-shaped structure with an opening towards one side, a first bolt is vertically arranged at one end of the opening of the fixing piece, and the connecting block is fixedly connected to one side, far away from the U-shaped opening, of the fixing piece; a threaded column is arranged on the connecting block in a penetrating manner, an insulating block is fixedly sleeved on the threaded column, a second bolt is arranged at the end part, far away from the connecting block, of the insulating block in parallel with the threaded column, and a magnet is arranged at the end part of the second bolt; the threaded post is connected to the conductive tip of the external ground wire.

Preferably, the thread post is also sleeved and fixed with a wiring copper nose for fixing the grounding wire.

Preferably, one end of the wiring copper nose is sleeved on the threaded column, two clamping plates which are symmetrically arranged are fixedly arranged at the other end of the wiring copper nose, and the grounding wire is clamped and fixed between the two clamping plates.

Preferably, the clamping plate is an arc-shaped plate attached to the grounding wire.

Preferably, the insulating block is movably sleeved on the threaded column and is fixedly connected with the connecting plate in a crimping way through a first nut sleeved on the threaded column.

Preferably, the wiring copper nose is fixed on the first nut by crimping through a second nut sleeved on the threaded column.

Preferably, the end of the threaded post in contact with the component to be welded is provided with a conical tip.

Preferably, the magnet is mounted on a second bolt on the same side as the conical tip.

Preferably, the second bolt and the end of the threaded column, which are close to the member to be welded, are both provided with locking nuts.

The utility model has the beneficial effects that:

1. according to the utility model, the first bolt is rotated to be matched with the U-shaped fixing piece, and the to-be-welded member of the stainless steel is clamped and fixed between the first bolt and the fourth nut, so that the welding device can adapt to the use of to-be-welded members with different thicknesses.

2. When the stainless steel member to be welded is grounded, the first bolt and the fixing piece are clamped and connected with the member to be welded, the connecting block is connected with the threaded column, and the connecting block is connected with an external grounding wire through the wiring copper nose, so that an effective grounding effect can be achieved.

3. When the to-be-welded member made of carbon steel is grounded, the conical tip of the threaded column is abutted against the to-be-welded frame, and then the length of the second bolt is adjusted, so that the magnet is fixedly adsorbed on the surface of the to-be-welded member, the external grounding wire is fixed on the wiring copper nose, and the conducting end of the grounding wire is connected with the threaded column. Under the supporting action of the second bolt, the magnet is stably adsorbed and fixed on the member to be welded, so that the effective fixing action is achieved, and the use is simpler and more convenient.

4. And locking nuts are arranged at the ends of the second bolt and the threaded column, which are close to the members to be welded. Can play effectual locking fixedly to second bolt and screw thread post, avoid not hard up influence ground connection effect when the ground connection is used.

Drawings

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

FIG. 2 is a bottom view of FIG. 1;

fig. 3 is a schematic structural view of a wiring copper nose of the present utility model.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are provided for illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-3, the utility model provides a grounding device of an electric welding machine, which comprises a fixing piece 1 and a connecting block 3, wherein the fixing piece 1 is of a U-shaped structure which is provided with an opening at the left side and is vertically arranged, the upper end of the U-shaped opening of the fixing piece 1 is vertically and downwards provided with a first bolt 2, and the lower end of the U-shaped opening is correspondingly provided with a fourth nut 11 matched with the first bolt 2.

Wherein, mounting 1 adopts stainless steel material, and first bolt 2 and fourth nut 11 can adopt M16 stainless steel bolt, nut. When the stainless steel member to be welded is grounded, the first bolt 2 is rotated to be matched with the U-shaped fixing piece 1, and the stainless steel member to be welded is clamped and fixed between the first bolt 2 and the fourth nut 11, so that the stainless steel member to be welded can be suitable for the use of members to be welded with different thicknesses. The fourth nut 11 matched with the first bolt 2 can play an effective bearing and supporting role.

The connecting block 3 is fixedly connected to the right side of the fixing piece 1 far away from the U-shaped opening. The connecting block 3 is made of stainless steel. The connecting block 3 is horizontally and movably penetrated and installed with a threaded column 4 in the front-back direction, and the threaded column 4 adopts an M12 copper plating threaded column 4. The thread post 4 is sleeved with a wiring copper nose 6 for fixing a grounding wire. One end of the wiring copper nose 6 is movably sleeved on the threaded column 4 and is fixedly connected with the threaded column 4 by crimping through a second nut 42 sleeved on the threaded column. The other end of the wiring copper nose 6 is fixedly provided with two clamping plates which are symmetrically arranged, and the grounding wire is clamped and fixed between the two clamping plates. The clamping plate is an arc-shaped plate 60 and can be attached to the outside of the grounding wire, so that the grounding wire is clamped and fixed. The terminal of the external ground wire is connected to the threaded post 4.

When the stainless steel member to be welded is grounded, the first bolt 2 and the fixing piece 1 are clamped and connected with the member to be welded, the member to be welded is connected with the threaded column 4 through the connecting block 3, and the connecting block is connected with an external grounding wire through the wiring copper nose 6, so that an effective grounding effect can be achieved.

An insulating block 5 is also sleeved and fixed on the threaded column 4. Specifically, one end of the insulating block 5 is movably sleeved on the threaded column 4, and is fixedly connected with the connecting plate in a crimping manner through a first nut 41 sleeved on the threaded column 4. The end of the insulating block 5 remote from the connecting block 3 is provided with a second bolt 51 parallel to the threaded column 4, and the end of the second bolt 51 is fixedly provided with a magnet 7. Wherein the end of the threaded shank 4 in contact with the component to be welded is provided with a conical tip 40. The magnet 7 is mounted on a second bolt 51 on the same side as the conical tip 40.

When the to-be-welded member made of carbon steel is grounded, the conical tip 40 of the threaded column 4 is abutted against the to-be-welded frame, and then the length of the second bolt 51 is adjusted, so that the magnet 7 is adsorbed and fixed on the surface of the to-be-welded member, an external grounding wire is fixed on the wiring copper nose 6, and the conducting end of the grounding wire is connected with the threaded column 4. Under the supporting action of the second bolt 51, the magnet 7 is stably adsorbed and fixed on the member to be welded, so that the effective fixing action is realized, and the use is simpler and more convenient.

The second bolt 51 and the threaded post 4 are each fitted with a lock nut 8 near the end of the component to be welded. The lock nut 8 on the second bolt 51 is abutted with the insulating block 5, and the lock nut 8 on the threaded column 4 is abutted with the connecting block 3, so that the second bolt 51 and the threaded column 4 can be effectively locked and fixed, and the grounding effect is prevented from being influenced by looseness during grounding use.

When the utility model is used, the stainless steel member is grounded, the member to be welded is clamped and fixed by the first bolt 2 and the fixing piece 1 which are made of stainless steel, and the member to be welded is connected with an external grounding wire through the connecting block 3 and the threaded column 4 in sequence, so that the problem of carburization caused by long-time use of the carbon steel clamp in the prior art can be avoided. When the member made of carbon steel is welded, the magnet 7 on the second bolt 51 is adsorbed on the member to be welded, the conical pointed head 40 of the threaded column 4 is abutted against the surface of the member to be welded, conductive connection is realized, and the device is simple to use and convenient to detach. The utility model can be suitable for grounding of members with different thicknesses and shapes, and can realize the grounding of stainless steel and carbon steel, thereby effectively avoiding the problem of easy carburization in the prior art.

It is apparent that the embodiments described above are only some embodiments of the present application, but not all embodiments, the preferred embodiments of the present application are given in the drawings, but not limiting the patent scope of the present application. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a more thorough understanding of the present disclosure. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing, or equivalents may be substituted for elements thereof. All equivalent structures made by the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the protection scope of the application.

Claims

1. The utility model provides a electric welding earthing device which characterized in that: the connecting block is fixedly connected to one side of the fixing piece far away from the U-shaped opening; a threaded column is arranged on the connecting block in a penetrating manner, an insulating block is fixedly sleeved on the threaded column, a second bolt is arranged at the end part, far away from the connecting block, of the insulating block in parallel with the threaded column, and a magnet is arranged at the end part of the second bolt; the threaded post is connected to the conductive tip of the external ground wire.

2. The welding bug grounding device of claim 1, wherein: and a wiring copper nose for fixing a grounding wire is also sleeved and fixed on the threaded column.

3. The welding bug grounding device of claim 2, wherein: one end of the wiring copper nose is sleeved on the threaded column, two clamping plates which are symmetrically arranged are fixedly arranged at the other end of the wiring copper nose, and the grounding wire is clamped and fixed between the two clamping plates.

4. A welding bug grounding device according to claim 3, characterized in that: the clamping plate is an arc-shaped plate attached to the grounding wire.

5. The welding bug grounding device of claim 1, wherein: the insulating block is movably sleeved on the threaded column and is fixedly connected with the connecting plate in a crimping manner through a first nut sleeved on the threaded column.

6. A welding bug grounding device according to claim 3, characterized in that: the wiring copper nose is fixed on the first nut through a second nut sleeved on the threaded column in a crimping mode.

7. The welding bug grounding device of claim 1, wherein: the end of the threaded column, which is in contact with the member to be welded, is provided with a conical tip.

8. The welding bug grounding device of claim 7, wherein: the magnet is mounted on a second bolt on the same side of the conical tip.

9. The welding bug grounding device of claim 1, wherein: and locking nuts are arranged at the ends of the second bolt and the threaded column, which are close to the members to be welded.