CN212182574U - Ground wire clamp for gas shielded welding and stud welding - Google Patents

Abstract

The utility model discloses a ground clamp for gas shielded welding and stud welding, which comprises a base, wherein a pull rod is fixed above the base and movably connected with a pressing piece through a sleeve, a spring is movably sleeved on the pull rod and positioned above the sleeve; this ground wire clamp makes under the spring relaxation state and compresses tightly a piece and offsets with the base, after pulling up and compressing tightly the piece and placing the work piece, fixes treating to press from both sides the welding work piece through the thrust that compresses tightly the piece when the spring compression, has solved among the prior art rotatory compress tightly easily scrape to damage treat press from both sides the welding work piece surface, the clamping insecure and adjust complex operation, install and remove complicated problem.

Description

Ground wire clamp for gas shielded welding and stud welding

Technical Field

The utility model relates to a welding equipment technical field, in particular to gas shielded arc welding, stud weld and use ground clamp.

Background

The welding operation of the welding machine needs reliable work grounding, and the traditional tongue-shaped compression type grounding wire is convenient to use and wide in application. However, the ground wire is poor in environmental applicability due to the self structure, unstable in connection and low in universality, a workpiece to be clamped and welded is easy to slip from the wire clamp, and the operation risk of an overhaul worker is increased.

Chinese patent CN204195041U discloses an electric welding ground clamp in 2015 03/11, which comprises a movable part capable of moving along a ruler rod, the position of the movable part is adjusted according to the size of a workpiece, and the movable part is fixed by screwing the part, the purpose of fixing the workpiece is reached, the utility model enhances the safety and reliability of the ground clamp, but the movable part is rotated to achieve the fixing purpose, and the contact surface can cause scraping damage to the surface of the workpiece when rotating.

Chinese patent CN210224327U discloses a ground clamp structure in 2020, 03.31.a spacing rod is provided to adjust the distance between the clamping plate and the clamping seat, and the bolt is rotated to press the end of the bolt against the clamping plate and make the end abut against the clamping seat, so as to fix and clamp the pipe to be clamped between the clamping plate and the clamping seat, and finally complete the welding and grounding operation. The utility model discloses a although improved the intensity and the stability of centre gripping, nevertheless fixed and need adjust gag lever post and bolt many times when dismantling the work piece, the operation is complicated relatively and influences work efficiency.

Therefore, the ground clamp is needed to be provided, which not only can clamp firmly and stably, and can not scratch the clamped workpiece, but also can be conveniently disassembled and assembled and is simple to operate.

Disclosure of Invention

The utility model aims at the problem that prior art exists, a gas shielded arc welding, ground clamp for stud welding is provided, this ground clamp makes under the spring relaxation state compress tightly a piece and offsets with the base, pull up and compress tightly the piece and place the work piece after, fix to the thrust that compresses tightly when spring compression and wait to press from both sides and weld the work piece, the work piece clamping is simple, fixed effectual and undamaged wait to press from both sides and weld the work piece, solved among the prior art rotatory compress tightly easily scrape the damage and wait to press from both sides and weld the work piece surface, the clamping insecure and adjustment complex operation, install and remove complicated problem.

In order to achieve the above object, the utility model adopts the following technical scheme: a ground clamp for gas shielded welding and stud welding comprises a base, wherein a pull rod is fixed above the base and movably connected with a pressing piece through a sleeve, a spring is movably sleeved on the pull rod and positioned above the sleeve, and the outer wall of the pull rod is movably attached to the inner wall of the sleeve; and when the spring is in a relaxation state, the pressing piece is propped against the base.

The sleeve can reciprocate along the pull rod, conveniently treats to press from both sides the welding work piece and puts into the base and compress tightly between the piece, and the spring is exerted decurrent thrust and is waited to press from both sides the welding work piece with the fixed when contracting, and the simple fixed effectual of clamping.

Furthermore, the pressing piece comprises a through hole and a connecting rod, the connecting rod is sleeved in the through hole, and a pressing block is fixed at the bottom of the connecting rod. The connecting rod and the pull rod are parallel to each other and perpendicular to the plane of the base, and the plane of the pressing block is parallel to the plane of the base. The cross-sectional area of the pressing block is larger than that of the connecting rod, a workpiece to be clamped and welded is arranged between the pressing block and the base, the clamping area is large, and the clamping strength is high.

Furthermore, the upper surface of one side of the base, which is far away from the pull rod, is provided with pits distributed at intervals, and the pits are inwards sunken or outwards protruded and are opposite to the pressing block above the base. The friction force between the clamping surface and the workpiece to be clamped and welded is increased by the pits, and the stability of clamping is improved.

Furthermore, a rotating handle is arranged at the top of the connecting rod.

Further, the rotating handle is of a Y-shaped structure. The connecting rod is convenient for an operator to hold and rotate so as to adjust the distance between the bottom of the connecting rod and the upper end surface of the base.

Further, the through-hole has the internal thread, the connecting rod has the external screw thread, the through-hole with connecting rod threaded connection makes things convenient for operating personnel to dismantle, has realized that vulnerable part can be dismantled and removable, has improved the utilization ratio of gas shielded welding, stud welding with the earth clamp.

Further, the through hole and the sleeve are fixed through a cross beam in a welding mode.

Furthermore, the pull rod is a hexagonal cylinder, the sleeve is an annular cylinder, and the cross section of an inner ring of the sleeve is hexagonal; the inner ring of the sleeve is movably attached to the outer wall of the pull rod; the arrangement can avoid the rotation of the sleeve when the sleeve moves up and down along the pull rod, and the stability of the ground clamp is ensured.

Furthermore, a fixing cap is arranged at the top of the pull rod; the pull rod is connected with the ground wire through the fixing cap.

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

1. this ground wire clamp makes under the spring relaxation state to compress tightly a piece and offsets with the base, after pulling up to compress tightly a piece and place the work piece, fixes treating to press from both sides the welding work piece to the thrust that compresses tightly when compressing tightly the piece through the spring compression, adjusts repeatedly when avoiding the dismouting, has improved work efficiency, and the work piece clamping is simple, fixed effectual and do not harm and treat to press from both sides the welding work piece.

2. The through hole with connecting rod threaded connection makes things convenient for operating personnel to dismantle, has realized that vulnerable part can dismantle and removable, has improved the utilization ratio of gas shielded arc welding, stud welding with ground clamp.

3. The rotating handle is of a Y-shaped structure, so that an operator can conveniently hold and rotate the connecting rod to adjust the distance between the bottom of the connecting rod and the upper end face of the base, and the use is simple and convenient.

4. Through set up the briquetting in the connecting rod bottom, and the cross-sectional area of briquetting is greater than the cross-sectional area of connecting rod, has increased the clamping area who compresses tightly piece and work piece, has improved the intensity of centre gripping.

5. The relative briquetting of base one side upper surface seted up interval distribution's pot head, increased the clamping face and wait to press from both sides the frictional force that welds the work piece, improved the stability of centre gripping, wait to press from both sides and weld the work piece and be difficult for droing.

Drawings

FIG. 1 is a schematic structural view of the ground clamp for gas shielded welding and stud welding of the present invention;

FIG. 2 is a schematic view of the ground clamp clamping a workpiece for gas shielded welding and stud welding of the present invention;

FIG. 3 is a schematic view of the bottom plate pit pattern of the ground clamp for gas shielded welding and stud welding of the present invention;

in the figure: 1. a base; 2. a pull rod; 3. a sleeve; 4. a spring; 5. a fixing cap; 6. a cross beam; 7. rotating the handle; 8. a connecting rod; 9. a through hole; 10. pressing block

Detailed Description

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

As shown in fig. 1, a ground clamp for gas shielded welding and stud welding comprises a base 1, a pull rod 2 is fixed above the base 1, the pull rod 2 is movably connected with a pressing piece through a sleeve 3, a spring 4 is movably sleeved on the pull rod 2, and the spring 4 is positioned above the sleeve 3; the outer wall of the pull rod 2 is movably attached to the inner wall of the sleeve 3; the spring 4 is in the relaxation state, and the pressing piece is propped against the base 1.

As shown in figure 2, sleeve 3 can reciprocate along pull rod 2, conveniently waits to press from both sides the welding work piece and puts into base 1 and compress tightly between the piece, and spring 4 exerts decurrent thrust in order to fix waiting to press from both sides the welding work piece when contracting to compressing tightly, and the simple fixed effectual of clamping.

Furthermore, the pressing piece comprises a through hole 9 and a connecting rod 8, the connecting rod 8 is sleeved in the through hole 9, and a pressing block 10 is fixed at the bottom of the connecting rod 8. The connecting rod 8 and the pull rod 2 are parallel to each other and are perpendicular to the plane of the base 1, and the plane of the pressing block 10 is relatively parallel to the plane of the base 1. The cross-sectional area of the pressing block is larger than that of the connecting rod, a workpiece to be clamped and welded is arranged between the pressing block 10 and the base 1, the clamping area is large, and the clamping strength is high.

Further, as shown in fig. 3, the upper surface of the base 1 on the side away from the pull rod 2 is provided with pits distributed at intervals, and the pits are inwardly recessed or outwardly protruded and are opposite to the pressing block 10 above the base 1. The friction force between the clamping surface and the workpiece to be clamped and welded is increased by the pits, and the stability of clamping is improved.

Further, a rotating handle 7 is arranged on the top of the connecting rod 8.

Furthermore, the rotating handle 7 is of a Y-shaped structure, so that an operator can conveniently hold and rotate the connecting rod 8 to adjust the distance between the bottom of the connecting rod 8 and the upper end face of the base 1.

Further, the through hole 9 is provided with an internal thread, the connecting rod 8 is provided with an external thread, the through hole 9 is in threaded connection with the connecting rod 8, so that the dismounting of an operator is facilitated, the dismounting and replacement of a quick-wear part are realized, and the utilization rate of the ground clamp for gas shielded welding and stud welding is improved.

Further, the through hole 9 and the sleeve 3 are fixed by welding through the cross beam 6.

Furthermore, the pull rod 2 is a hexagonal cylinder, the sleeve 3 is an annular cylinder, and the cross section of an inner ring of the sleeve 3 is hexagonal; the inner ring of the sleeve 3 is movably attached to the outer wall of the pull rod 2; such setting can avoid sleeve 3's rotation when realizing sleeve 3 along pull rod 2 activity from top to bottom, guarantees the stability of earth clamp.

Further, a fixing cap 5 is arranged at the top of the pull rod 2; the pull rod 2 is connected with the ground wire through a fixing cap 5.

During the in-service use, according to the size of waiting to press from both sides the welding work piece, rotate connecting rod 8 earlier, make briquetting 10 and base 1 offset under the spring diastole state, then pull up and compress tightly the piece and make spring 4 compress, will wait to press from both sides the welding work piece and arrange in between briquetting 10 and base 1, release spring 4, through the thrust of shrink spring 4 to compressing tightly the piece, make gas shielded arc welding, stud welding firmly fix with the earth clamp and wait to press from both sides the welding work piece, connect 5 ground connection of locking cap at last, prepare the welding.

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 (9)

1. A ground clamp for gas shielded welding and stud welding is characterized by comprising a base, wherein a pull rod is fixed above the base and movably connected with a pressing piece through a sleeve, a spring is movably sleeved on the pull rod and positioned above the sleeve, and the outer wall of the pull rod is movably attached to the inner wall of the sleeve; and when the spring is in a relaxation state, the pressing piece is propped against the base.

2. The ground clamp for gas shielded welding and stud welding as set forth in claim 1, wherein said pressing member includes a through hole and a connecting rod, said connecting rod is sleeved in said through hole, and a pressing block is fixed to the bottom of said connecting rod.

3. The ground clamp for gas shielded welding and stud welding as set forth in claim 2, wherein pits are formed on the upper surface of the base at a side away from the pull rod.

4. The ground clamp for gas shielded welding and stud welding as set forth in claim 2, wherein a rotary knob is provided on a top of said connecting rod.

5. The gas shielded welding and stud welding ground clamp as defined in claim 4, wherein said rotary handle is of a Y-shaped configuration.

6. The gas shielded welding/stud welding ground clamp as set forth in claim 2, wherein said through hole has an internal thread, said connecting rod has an external thread, and said through hole is threadedly connected to said connecting rod.

7. The ground clamp for gas shielded welding and stud welding as set forth in claim 2, wherein said through hole and said sleeve are fixed by welding via a cross member.

8. The ground clamp for gas shielded welding and stud welding as set forth in claim 1, wherein said pull rod is a hexagonal cylinder, said sleeve is an annular cylinder, and a cross section of an inner ring of said sleeve is hexagonal; the inner ring of the sleeve is movably attached to the outer wall of the pull rod.

9. The ground clamp for gas shielded welding and stud welding as set forth in claim 1, wherein a fixing cap is provided on the top of said pull rod; the pull rod is connected with the ground wire through the fixing cap.

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