Quick-plug type convenient multifunctional welding machine grounding clamp

Abstract

The utility model discloses a quick-plug type convenient multifunctional welding machine grounding clamp which comprises a first wire clamp body, a second wire clamp body, a torsion stopping spring, a rivet, an integrated clamp body, a jaw copper piece, a locking screw and a wiring copper sleeve. The first wire clamp body, the second wire clamp body, the torsion stopping spring and the rivet are assembled into an iron A-shaped clamp; the integrated plier body is formed by punching copper alloy, the bottom of the integrated plier body is fixed to the head end of the inner side of the first wire clamp body, the upper surface of the head end of the integrated plier body is a lower plier body clamping part, and a cable installation blind hole is formed in a cable connecting part of the tail end of the integrated plier body in the axial direction. The top surface of the jaw copper piece is fixed at the head end of the inner side of the second wire clamp body; the bottom edge of the front side surface and the bottom edge of the rear side surface of the jaw copper piece form an upper clamp body clamping part; and a workpiece is clamped between the upper clamp body clamping part and the lower clamp body clamping part. The problems of poor conductivity, use limitation, installation convenience and the like in long-time operation are mainly solved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a quick-installation heavy-duty grounding clamp for a quick-insert type convenient multi-functional welding machine. Background Art

[0002] In welding operations, the grounding clamp of the welding machine, as an important safety device, mainly functions to effectively ground the welding machine and the workpiece to prevent safety accidents caused by electric sparks generated during the welding process. However, the existing grounding clamps of welding machines often have problems such as complex structure, poor durability, weak universality, and poor installation convenience, resulting in inconvenience during actual use. Therefore, it is necessary to improve the existing grounding clamps of welding machines to improve their performance and use convenience.

[0003] Most of the wiring terminals of the current grounding clamps of welding machines are on the outer side of the grounding clamp and are indirectly connected and fixed by screws. During actual use, excessive heating will occur, the electrical conductivity will become poor, affecting the actual welding parameters during the welding process and matching the machine failures of the welding machine. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a quick-insert type convenient multi-functional grounding clamp for a welding machine aiming at the technical defects and deficiencies of the existing products, mainly solving problems such as poor electrical conductivity during long-term operation, use limitations, and installation convenience.

[0005] The technical solution of the utility model is: a quick-insert type convenient multi-functional grounding clamp for a welding machine, including a first wire clamp body, a second wire clamp body, a torsion stop spring, a rivet, an integrated pliers body, a pliers mouth copper piece, a locking screw, and a wiring copper sleeve;

[0006] The first wire clamp body, the second wire clamp body, the torsion stop spring, and the rivet are assembled into an iron A-type clamp;

[0007] The integrated pliers body is formed by stamping copper alloy. The bottom of the integrated pliers body is fixed to the inner side head end of the first wire clamp body. The upper surface of the head end of the integrated pliers body is the lower pliers clamping part. A cable installation blind hole is axially opened in the cable connection part at the tail end of the integrated pliers body. A locking screw installation hole is opened on one side perpendicular to the cable installation blind hole at the cable connection part at the tail end of the integrated pliers body. The cable head connection part sleeved with the pliers mouth copper piece can be inserted into the cable installation blind hole and locked and fixed by a locking screw;

[0008] The pliers mouth copper piece is integrally connected by a top surface, a front side surface, and a rear side surface. The top surface of the pliers mouth copper piece is fixed to the inner side head end of the second wire clamp body. The bottom edges of the front side surface and the rear side surface of the pliers mouth copper piece form the upper pliers clamping part;

[0009] The workpiece is clamped and placed between the upper pliers clamping part and the lower pliers clamping part.

[0010] Further, the lower clamp body clamping part on the upper surface of the head end of the integral clamp body is designed to be arc-shaped.

[0011] Further, a cable buckle is provided on the upper surface of the tail end of the first wire clamp body.

[0012] Further, anti-slip patterns are machined on the upper surface of the tail end of the first wire clamp body and the lower surface of the tail end of the second wire clamp body.

[0013] Further, the bottom of the integral clamp body is fixed to the inner head end of the first wire clamp body by two screws, and the top surface of the clamp jaw copper part is fixed to the inner head end of the second wire clamp body by one screw.

[0014] Further, the screw is equipped with a spring washer.

[0015] Further, the rivet is equipped with a nylon gasket.

[0016] The beneficial effects of the present utility model are as follows: A quick-insert type convenient and multi-functional welding machine grounding clamp is provided. The cable head end connection part sleeved with the clamp jaw copper part can be inserted into the cable installation blind hole and locked and fixed by a locking screw; in this way, the cable is in direct contact with the largest surface of the clamp body, ensuring good electrical conductivity, and at the same time, it is more convenient for users to install. The cable connection part can be directly inserted into the cable installation blind hole and fastened.

[0017] Compared with the way of the external connection head of the cable in the prior art, the cable connection part of the present application is fixed inside the grounding clamp, and the actual use scenario is not restricted by narrow spaces.

[0018] The cable installation blind hole and the clamp head are integrated, which is different from the split type connection and has better electrical conductivity and better installation convenience.

[0019] The cable installation blind hole of the integral clamp body calibrates the installation cable according to the parameters of the clamp body (such as 300A, 500A), avoiding the false marking phenomenon of products on the market and making the equipment used in cooperation safer. Description of the Drawings

[0020] Figure 1 It is a structural exploded view of a quick-insert type convenient and multi-functional welding machine grounding clamp of the present utility model;

[0021] Figure 2 It is a structural schematic diagram of a quick-insert type convenient and multi-functional welding machine grounding clamp of the present utility model for clamping a flat plate part;

[0022] Figure 3 It is a structural schematic diagram of a quick-insert type convenient and multi-functional welding machine grounding clamp of the present utility model for clamping a round pipe fitting.

[0023] In the figure: 1 is the first wire clamp body, 2 is the second wire clamp body, 3 is the anti-twist spring, 4 is the rivet, 5 is the nylon gasket, 6 is the integrated pliers body, 7 is the copper part of the pliers mouth, 8 is the screw, 9 is the spring washer, 10 is the locking screw, 11 is the wiring copper sleeve, 12 is the hexagon wrench, 13 is the cable, and 14 is the cable buckle. Specific embodiments

[0024] The present utility model will be further described below with reference to the accompanying drawings.

[0025] As Figure 1 shown, a convenient and multifunctional welding machine grounding clamp includes: the first wire clamp body 1, the second wire clamp body 2, the anti-twist spring 3, the rivet 4, the nylon gasket 5, the integrated pliers body 6, the copper part of the pliers mouth 7, the screw 8, the spring washer 9, the locking screw 10, the wiring copper sleeve 11, the hexagon wrench 12, the cable buckle 14, etc.

[0026] The first wire clamp body 1, the second wire clamp body 2, the anti-twist spring 3 and the rivet 4 are assembled into an iron A-type clamp. The rivet 4 is equipped with a nylon gasket 5. The integrated pliers body 6 is formed by stamping copper alloy. The bottom of the integrated pliers body 6 is fixed to the inner head end of the first wire clamp body 1. The lower pliers clamping part on the upper surface of the head end of the integrated pliers body 6 is designed as an arc. A cable installation blind hole is axially opened in the cable connection part at the tail end of the integrated pliers body 6. A locking screw installation hole is opened on one side perpendicular to the cable installation blind hole in the cable connection part at the tail end of the integrated pliers body 6. The head end connection part of the cable 13 sleeved with the copper part of the pliers mouth 7 can be inserted into the cable installation blind hole and locked and fixed by the locking screw 10. A cable buckle 14 is arranged on the upper surface of the tail end of the first wire clamp body 1. In this way, the cable is in direct contact with the largest surface of the pliers body, ensuring good electrical conductivity. At the same time, it is more convenient for users to install. Just insert the cable connection part into the cable installation blind hole and tighten it. Compared with the existing method of externally connecting the cable head, in this application, the cable connection part is fixed inside the grounding clamp, and the use in the actual scene is not restricted by narrow spaces. The cable installation blind hole and the pliers head are integrated, which is different from the split connection and has better electrical conductivity and better installation convenience. The cable installation blind hole of the integrated pliers body is calibrated for installing cables according to the parameters of the pliers body, such as 300A and 500A, avoiding the false marking phenomenon of products on the market and making the equipment used more secure.

[0027] The copper part of the pliers mouth 7 is integrally connected by a top surface, a front side surface and a rear side surface. The top surface of the copper part of the pliers mouth 7 is fixed to the inner head end of the second wire clamp body 2. The bottom edges of the front side surface and the rear side surface of the copper part of the pliers mouth 7 form the upper pliers clamping part.

[0028] The workpiece is clamped and placed between the upper pliers clamping part and the lower pliers clamping part, and a conductive circuit is formed by the integrated pliers body 6 and the copper part of the pliers mouth 7.

[0029] The bottom of the integrated pliers body 6 is fixed to the inner head end of the first wire clamp body 1 by two screws 8, and the top surface of the copper jaw piece 7 is fixed to the inner head end of the second wire clamp body 2 by one screw 8. The screws are equipped with spring washers 9.

[0030] As Figure 2 、 3 shown, the workpiece clamped by the combination of the integrated pliers body and the copper jaw piece can be a flat surface and an arc surface.

[0031] The first wire clamp body 1 and the second wire clamp body 2 are designed in line with ergonomics, with anti-slip design added, making them more stable in use.

[0032] This structure mainly realizes the optimization of conductivity, the convenience of installation, the range of workpieces clamped by the jaws, and the diversity of workpiece shapes.

[0033] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A quick-insert, convenient and multifunctional welding machine grounding clamp, characterized in that: It comprises a first wire clamp body (1), a second wire clamp body (2), a torsion-stop spring (3), a rivet (4), an integrated clamp body (6), a clamp copper part (7), a locking screw (10) and a wiring copper sleeve (11); The first wire clamp body (1), the second wire clamp body (2), the torsion-stop spring (3) and the rivet (4) are assembled into an iron A-type clamp; The one-piece clamp body (6) is formed by stamping of copper alloy, the bottom of the one-piece clamp body (6) is fixed to the inner head end of the first wire clamp body (1), the upper surface of the head end of the one-piece clamp body (6) is the lower clamp body clamping part, the cable connection part at the tail end of the one-piece clamp body (6) is provided with a cable installation blind hole along the axial direction, the cable connection part at the tail end of the one-piece clamp body (6) is provided with a locking screw installation hole along a side perpendicular to the cable installation blind hole, and the head end connection part of the cable (13) sleeved with the clamp copper part (7) can be inserted into the cable installation blind hole and locked and fixed by the locking screw (10); The copper jaw piece (7) is formed by integrally connecting a top surface, a front side surface and a rear side surface, the top surface of the copper jaw piece (7) is fixed to the inner head end of the second wire clamp body (2), and the bottom edge of the front side surface and the bottom edge of the rear side surface of the copper jaw piece (7) form an upper clamp body clamping portion; The upper clamping part and the lower clamping part are used for clamping a workpiece.

2. The quick-insert, convenient and multifunctional welding machine grounding clamp according to claim 1, characterized in that: The lower clamp body clamping portion on the upper surface of the head end of the integrated clamp body (6) is designed to be arc-shaped.

3. The quick-insert, convenient and multifunctional welding machine grounding clamp according to claim 1, characterized in that: A cable buckle (14) is provided on the upper surface of the tail end of the first clamp body (1).

4. The quick-insert, convenient and multifunctional welding machine grounding clamp according to claim 1, characterized in that: The upper surface of the tail end of the first wire clamp body (1) and the lower surface of the tail end of the second wire clamp body (2) are processed with anti-slip patterns.

5. The quick-insert, convenient and multifunctional welding machine grounding clamp according to claim 1, characterized in that: The bottom of the integrated clamp body (6) is fixed to the inner head end of the first clamp body (1) by two screws (8), and the top surface of the clamp copper piece (7) is fixed to the inner head end of the second clamp body (2) by one screw (8).

6. The quick-insert, convenient and multifunctional welding machine grounding clamp according to claim 5, characterized in that: The screw is equipped with a spring washer (9).

7. The quick-insert, convenient and multifunctional welding machine grounding clamp according to claim 1, characterized in that: The rivet (4) is equipped with a nylon washer (5).

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