CN211789586U

CN211789586U - Ground clamp for argon arc welding machine

Info

Publication number: CN211789586U
Application number: CN202020324070.3U
Authority: CN
Inventors: 谌继文
Original assignee: Jiangxi Longyu Copper Culture Communication Co ltd
Current assignee: Jiangxi Longyu Copper Culture Communication Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-27
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a ground clamp for argon arc welding machine, which comprises a vertical plate, an upper clamping plate and a lower clamping plate, wherein the upper part of the front side of the vertical plate is provided with a mounting groove, a reciprocating unit is arranged between the top and the bottom of the inner wall of the mounting groove, the front side of the reciprocating unit is provided with a clamping groove II, the rear side of the upper clamping plate is provided with a clamping block II, the clamping block II is clamped with the clamping groove II correspondingly, the middle part of the lower surface of the upper clamping plate is provided with an upper arc-shaped groove, the front side of the lower surface of the upper clamping plate is provided with a first semi-circular groove, the lower part of the front side of the vertical plate is provided with a fixed block, the front side of the fixed block is provided with a first clamping block, the first clamping block is clamped with the clamping groove correspondingly, the middle part of the upper surface of the lower clamping plate is provided with, the clamp force is even, and is more laborsaving, is difficult to cause contact failure, has improved welding seam quality and production efficiency.

Description

Ground clamp for argon arc welding machine

Technical Field

The utility model relates to a ground clamp technical field specifically is a ground clamp for argon arc welding machine.

Background

. Welding is a process for manufacturing non-detachable structures by joining two workpieces by heat or pressure. With the development of modern science and technology, welding has developed into an independent science and is widely applied to various fields of national economy. For many welding methods, the ground clamp is an indispensable auxiliary tool, the ground clamp for the existing argon arc welding machine clamps a workpiece or a tool through the spring force, but the clamping force is different because the shape of the workpiece at the clamping part is different, the use process is also laborious, the elasticity of the spring is weakened after the spring is used for a period of time, poor contact is easily caused, the welding current in the welding process is unstable, and the welding seam quality and the production efficiency are influenced.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a ground clamp for argon arc welding machine, which adopts the technical proposal that the ground clamp comprises a vertical plate, an upper clamp plate and a lower clamp plate, wherein the upper part of the front side of the vertical plate is provided with a mounting groove, a reciprocating unit is arranged between the top and the bottom of the inner wall of the mounting groove, the front side of the reciprocating unit is provided with a clamping groove II, the rear side of the upper clamp plate is provided with a clamping block II which is correspondingly clamped with the clamping groove II, the middle part of the lower surface of the upper clamp plate is provided with an upper arc-shaped groove, the front side of the lower surface of the upper clamp plate is provided with an upper semicircular groove, the lower part of the front side of the vertical plate is provided with a fixing block, the front side of the fixing block I is provided with a clamping groove I, the clamping block I is correspondingly clamped with the clamping groove I, the middle part of the, and a lower semicircular groove corresponding to the upper semicircular groove is formed in the front side of the upper surface of the lower clamping plate.

As a preferred technical scheme of the utility model, reciprocal unit includes slider, guide arm, lead screw and knob, guide arm fixed connection is between the top and the bottom of mounting groove inner wall, and the through-hole sliding connection of guide arm and slider upper surface, the lead screw passes through the bearing and rotates the connection between the top and the bottom of mounting groove inner wall, and the screw hole threaded connection of lead screw and slider upper surface, draw-in groove two sets up the front side at the slider, the top that the top of lead screw runs through the mounting groove inner wall extends to the top of riser, the top at the lead screw is fixed to the knob.

As a preferred technical scheme of the utility model, threaded hole two is seted up to the upper surface of fixture block two, be equipped with bolt two in the through-hole of slider upper surface, bolt two corresponds threaded connection with the screw hole two.

As the utility model discloses a preferred technical scheme, threaded hole one is seted up to the upper surface of fixture block one, be equipped with bolt one in the through-hole of fixed block bottom, bolt one corresponds threaded connection with the screw hole.

As an optimal technical scheme of the utility model, the rear side of riser is equipped with the handle, correspond on hand and be equipped with the antiskid cover.

The utility model has the advantages that: the utility model discloses simple structure, the simple operation is convenient for carry out the centre gripping to the work piece of different shapes, the clamp force is even, it is more laborsaving, be difficult to cause contact failure, welding seam quality and production efficiency have been improved, when needing the centre gripping work piece, through rotating the knob, drive the rotation of lead screw, drive the removal of slider, and then drive the punch holder towards the lower plate motion, thereby the upper arc wall on the punch holder and the lower arc wall on the lower plate combined action make the work piece clamped, avoid using the spring to clamp the unequal defect of clamp that the work piece of different specifications caused, clamping effect is better; when a workpiece with a small specification and a similar-circular cross section needs to be clamped, the workpiece is clamped through the matching of the upper semicircular groove and the lower semicircular groove, and the effect of clamping the workpiece with a small specification and a similar-circular cross section is good; when a flat plate workpiece with a thin thickness needs to be clamped, the upper clamping plate and the lower clamping plate can be turned over by 180 degrees simultaneously through the second clamping block, the second clamping groove, the first clamping block and the first clamping groove, the workpiece is clamped by using the planar surface of the upper clamping plate and the planar surface of the lower clamping plate, when the flat plate workpiece with the thin thickness is clamped, the contact area is larger, and the clamping effect is better.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the vertical plate structure of the present invention;

FIG. 3 is a schematic view of the upper clamp plate of the present invention;

fig. 4 is a schematic view of the lower plate structure of the present invention.

In the figure: 1-vertical plate, 2-handle, 3-reciprocating unit, 31-sliding block, 32-guide rod, 33-screw rod, 34-knob, 4-upper clamping plate, 5-lower clamping plate, 6-lower arc groove, 7-fixing block, 8-first threaded hole, 9-lower semi-circular groove, 10-upper semi-circular groove, 11-upper arc groove, 12-second clamping block, 13-second threaded hole, 14-mounting groove, 15-second bolt, 16-second clamping groove, 17-first clamping groove, 18-first bolt and 19-first clamping block.

Detailed Description

Example 1

As shown in fig. 1 to 4, the utility model discloses a ground clamp for argon arc welding machine, which adopts the technical scheme that the ground clamp comprises a vertical plate 1, an upper clamp plate 4 and a lower clamp plate 5, wherein the upper part of the front side of the vertical plate 1 is provided with a mounting groove 14, a reciprocating unit 3 is arranged between the top and the bottom of the inner wall of the mounting groove 14, the front side of the reciprocating unit 3 is provided with a second clamping groove 16, the rear side of the upper clamp plate 4 is provided with a second clamping block 12, the second clamping block 12 is correspondingly clamped with the second clamping groove 16, the middle part of the lower surface of the upper clamp plate 4 is provided with an upper arc-shaped groove 11, the front side of the lower surface of the upper clamp plate 4 is provided with a first semi-circular groove 10, the lower part of the front side of the vertical plate 1 is provided with a fixed block 7, the front side of the fixed block 7 is provided with a first clamping groove 17, the rear side of the lower clamp plate 5 is provided with a first clamping block 19, the first clamping block, a lower semicircular groove 9 corresponding to the upper semicircular groove 10 is formed in the front side of the upper surface of the lower clamping plate 5.

As a preferred technical solution of the present invention, the reciprocating unit 3 comprises a slider 31, a guide rod 32, a lead screw 33 and a knob 34, the guide rod 32 is fixedly connected between the top and the bottom of the inner wall of the mounting groove 14, and the guide rod 32 is slidably connected with the through hole on the upper surface of the slider 31, the lead screw 33 is rotatably connected between the top and the bottom of the inner wall of the installation groove 14 through a bearing, the screw rod 33 is in threaded connection with a threaded hole on the upper surface of the sliding block 31, the second clamping groove 16 is formed in the front side of the sliding block 31, the top end of the screw 33 extends to the upper part of the vertical plate 1 through the top of the inner wall of the mounting groove 14, the knob 34 is fixed on the top end of the screw 33, the screw 33 is driven to rotate by rotating the knob 34, the sliding block 31 is driven to move, the upper clamping plate 4 is driven to move towards the lower clamping plate 5, so that the upper clamping plate 4 and the lower clamping plate 5 work together to clamp the workpiece.

As an optimal technical scheme of the utility model, two threaded hole 13 have been seted up to the upper surface of two fixture blocks 12, be equipped with two 15 bolts in the through-hole of slider 31 upper surface, two 15 bolts and two 13 corresponding threaded connection of threaded hole carry out further fixed to two 12 fixture blocks through two 15 bolts and two 13 threaded holes.

As a preferred technical scheme of the utility model, threaded hole 8 is seted up to the upper surface of fixture block 19, be equipped with bolt 18 in the through-hole of 7 bottoms of fixed block, bolt 18 corresponds threaded connection with threaded hole 8, carries out further fixed to fixture block 19 through bolt 18 and threaded hole 8.

As an optimal technical scheme of the utility model, the rear side of riser 1 is equipped with handle 2, correspond on the handle 2 and be equipped with the antiskid cover, through the convenient handheld ground clamp of handle 2.

The utility model discloses a theory of operation: when a workpiece needs to be clamped, the knob 34 is rotated to drive the screw 33 to rotate, the slide block 31 is driven to move, and the upper clamping plate 4 is driven to move towards the lower clamping plate 5, so that the workpiece is clamped under the combined action of the upper arc-shaped groove 11 on the upper clamping plate 4 and the lower arc-shaped groove 6 on the lower clamping plate 5, the defect of unequal clamping caused by clamping workpieces of different specifications by using springs is avoided, and the clamping effect is good; when a workpiece with a small specification and a similar-circular cross section needs to be clamped, the workpiece is clamped through the matching of the upper semicircular groove 10 and the lower semicircular groove 9, and the effect of clamping the workpiece with a small specification and a similar-circular cross section is good; when a thin flat plate workpiece needs to be clamped, the upper clamping plate 4 and the lower clamping plate 5 can be simultaneously turned over by 180 degrees through the second clamping block 12, the second clamping groove 16, the first clamping block 19 and the first clamping groove 17, the workpiece is clamped by using the plane surfaces of the upper clamping plate 4 and the lower clamping plate 5, when the thin flat plate workpiece is clamped, the contact area is larger, and the clamping effect is better.

The utility model relates to a circuit connection is the conventional means that technical staff adopted in this field, and accessible limited number of tests obtains the technological inspiration, belongs to the widely used prior art.

Components not described in detail herein are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.

Claims

1. The utility model provides an argon arc is ground clamp for welding machine, includes riser (1), punch holder (4) and lower plate (5), its characterized in that: the upper portion of the front side of the vertical plate (1) is provided with a mounting groove (14), a reciprocating unit (3) is arranged between the top and the bottom of the inner wall of the mounting groove (14), a second clamping groove (16) is formed in the front side of the reciprocating unit (3), a second clamping block (12) is arranged on the rear side of the upper clamping plate (4), the second clamping block (12) is clamped with the second clamping groove (16) correspondingly, an upper arc-shaped groove (11) is formed in the middle of the lower surface of the upper clamping plate (4), an upper semicircular groove (10) is formed in the front side of the lower surface of the upper clamping plate (4), a fixing block (7) is arranged on the lower portion of the front side of the vertical plate (1), a first clamping groove (17) is formed in the front side of the fixing block (7), a first clamping block (19) is arranged on the rear side of the lower clamping plate (5), the first clamping block (19) is clamped with the first clamping groove (17) correspondingly, a lower arc-shaped groove, a lower semicircular groove (9) corresponding to the upper semicircular groove (10) is formed in the front side of the upper surface of the lower clamping plate (5).

2. The ground clamp for the argon arc welding machine according to claim 1, characterized in that: reciprocating unit (3) includes slider (31), guide arm (32), lead screw (33) and knob (34), guide arm (32) fixed connection is between the top and the bottom of mounting groove (14) inner wall, and the through-hole sliding connection of guide arm (32) and slider (31) upper surface, lead screw (33) rotate through the bearing and connect between the top and the bottom of mounting groove (14) inner wall, and the screw hole threaded connection of lead screw (33) and slider (31) upper surface, the front side at slider (31) is seted up in draw-in groove two (16), the top that the top of lead screw (33) runs through mounting groove (14) inner wall extends to the top of riser (1), the top at lead screw (33) is fixed in knob (34).

3. The ground clamp for the argon arc welding machine according to claim 2, characterized in that: a second threaded hole (13) is formed in the upper surface of the second clamping block (12), a second bolt (15) is arranged in the through hole in the upper surface of the sliding block (31), and the second bolt (15) is in corresponding threaded connection with the second threaded hole (13).

4. The ground clamp for the argon arc welding machine according to claim 1, characterized in that: the upper surface of the first clamping block (19) is provided with a first threaded hole (8), a first bolt (18) is arranged in the through hole in the bottom of the fixing block (7), and the first bolt (18) is in corresponding threaded connection with the first threaded hole (8).

5. The ground clamp for the argon arc welding machine according to claim 1, characterized in that: the rear side of the vertical plate (1) is provided with a handle (2), and the handle (2) is correspondingly provided with an anti-slip sleeve.