CN216398543U

CN216398543U - Clamp for welding thin-wall groove-shaped workpiece

Info

Publication number: CN216398543U
Application number: CN202122509083.5U
Authority: CN
Inventors: 张子朋; 孙琳琳; 田其琛; 王少君; 陈海波
Original assignee: HENAN JIANGHE MACHINERY CO Ltd
Current assignee: HENAN JIANGHE MACHINERY CO Ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-29
Anticipated expiration: 2031-10-19

Abstract

The utility model belongs to the technical field of welding tools, and particularly relates to a clamp for welding a thin-wall groove-shaped workpiece, which comprises a bottom plate, wherein the left side and the right side of the bottom plate are respectively and fixedly connected with an opening end plate and an end plate, the front side and the rear side of the bottom plate are provided with a plurality of pairs of movable baffles capable of moving forwards and backwards, a plurality of inner supporting columns with adjustable lengths are arranged inside the thin-wall groove-shaped workpiece, and the thin-wall groove-shaped workpiece is clamped by the movable baffles at the outer side and the inner supporting columns with adjustable lengths at the inner side. The clamp for welding the thin-wall groove-shaped workpiece has universality on welding and shape correction after welding of the groove-shaped workpiece within a certain length and width range; the clamp has strong universality and simple operation, not only firmly and stably clamps the workpiece, but also greatly reduces the manufacturing cost, and can prevent the workpiece from being thermally deformed during welding.

Description

Clamp for welding thin-wall groove-shaped workpiece

Technical Field

The utility model belongs to the technical field of welding tools, and particularly relates to a clamp for welding a thin-wall groove-shaped workpiece, which can be used for assembly welding and post-welding shape correction of the groove-shaped workpiece with a thinner plate thickness.

Background

When a thin-wall groove-shaped workpiece is welded, thermal deformation is easy to occur, the workpiece must be fixed by using a welding clamp, and a special clamp is usually required to be designed. If the ordered batch of workpieces is small, the special fixture is designed, so that the workpiece processing cost and the processing time are greatly increased.

Disclosure of Invention

The utility model provides a clamp for welding a thin-wall groove-shaped workpiece, aiming at solving the problem of welding thermal deformation of the thin-wall groove-shaped workpiece, which has universality for welding the groove-shaped workpiece within a certain length and width range, and has the advantages of simple manufacture, convenient operation, low cost and the like.

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

the utility model provides a clamp for welding a thin-wall groove-shaped workpiece, which comprises a bottom plate, wherein the left side and the right side of the bottom plate are respectively and fixedly connected with an opening end plate and an end plate, the front side and the rear side of the bottom plate are provided with a plurality of pairs of movable baffles capable of moving forwards and backwards, a plurality of inner supporting columns with adjustable lengths are arranged inside the thin-wall groove-shaped workpiece, and the thin-wall groove-shaped workpiece is clamped by the movable baffles at the outer side and the inner supporting columns with adjustable lengths at the inner side.

Further, the center of the bottom plate is provided with a positioning threaded hole.

Furthermore, the left side and the right side of the bottom plate are respectively fixedly connected with the opening end plate and the end plate through a first hexagon socket head cap screw.

Furthermore, threaded holes I are formed in the front side and the rear side of the bottom plate and fixedly connected with the studs; the lower part of the movable baffle is sleeved on the stud in a penetrating manner, and the front surface and the back surface of the movable baffle are fixed by nuts.

And the two ends of the other side beam are fixedly connected with the rear end surfaces of the opening end plate and the end plate respectively through the second hexagon socket head cap screws.

Further, the two side beams are positioned above the stud.

Furthermore, the middle part of the side beam is provided with a second threaded hole which is fixedly connected with an inner hexagonal flat end holding screw, and the end of the inner hexagonal flat end holding screw presses the upper part of the movable baffle.

Further, support post in adjustable length includes stud and two sleeves, stud's both ends screw thread opposite direction, two sleeves are equipped with the internal thread hole, stud and two sheathed tube internal thread hole cooperation are connected.

Compared with the prior art, the utility model has the following advantages:

the clamp for welding the thin-wall groove-shaped workpiece has universality on welding and post-welding shape correction of the groove-shaped workpiece within a certain length and width range, and can be used in a two-three-sleeve combination mode due to the design of the opening end plate, and is suitable for overlong workpieces when in combined use; the clamp has strong universality and simple operation, not only firmly and stably clamps the workpiece, but also greatly reduces the manufacturing cost, and can prevent the workpiece from being thermally deformed during welding.

Drawings

FIG. 1 is a schematic structural diagram of a thin-wall groove-shaped workpiece welding fixture according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of the thin-wall groove-shaped workpiece clamping operation of the clamp for welding the thin-wall groove-shaped workpiece according to the embodiment of the utility model;

FIG. 3 is a schematic structural view of a flapper of an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an inner support column with adjustable length according to an embodiment of the present invention.

The reference numbers in the figures denote:

1. the structure comprises a base plate, 2, an opening end plate, 3, an end plate, 4, a movable baffle, 5, a length-adjustable inner supporting column, 501, a stud, 502, a sleeve, 6, a positioning threaded hole, 7, a first inner hexagonal socket head cap screw, 8, a stud, 9, a nut, 10, a side beam, 11, a second inner hexagonal socket head cap screw, 12, a flat inner hexagonal end holding screw and 13, a thin-wall groove-shaped workpiece.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments.

As shown in fig. 1, the clamp for welding the thin-wall groove-shaped workpiece in the embodiment comprises a bottom plate 1, wherein the left side and the right side of the bottom plate 1 are respectively and fixedly connected with an opening end plate 2 and an end plate 3, and due to the design of the opening end plate 2, the clamp can be used in combination of two sets of three sets of sleeves and is suitable for the ultra-long groove-shaped workpiece. The front side and the rear side of the bottom plate 1 are provided with a plurality of pairs of movable baffle plates 4 capable of translating back and forth, groove-shaped workpieces with different widths can be clamped, a plurality of length-adjustable inner supporting columns 5 are arranged inside the thin-wall groove-shaped workpiece 13, and the thin-wall groove-shaped workpiece 13 is tightly clamped by the movable baffle plates 4 on the outer side and the length-adjustable inner supporting columns 5 on the inner side, so that the workpieces can be welded conveniently.

Preferably, the center of the bottom plate 1 is provided with a positioning threaded hole 6, and a plurality of sets of clamps can be used for positioning when being used in combination.

The left side of the bottom plate 1 is fixedly connected with the opening end plate 2 through two inner hexagonal socket head cap screws 7, and the right side of the bottom plate 1 is fixedly connected with the end plate 3 through two inner hexagonal socket head cap screws 7.

In this example, a plurality of first threaded holes are respectively formed in the front side and the rear side of the bottom plate 1, the first threaded holes are fixedly connected with the studs 8, as shown in fig. 3, the lower portions of the movable baffles 4 are sleeved on the two studs 8 in a penetrating manner, the movable baffles 4 on the two sides can move back and forth on the studs 8, and when the movable baffles are moved in place, the front side and the back side of each movable baffle 4 are fixed by nuts 9 and large washers.

In addition to the above structure, the clamp further comprises two side beams 10, wherein two ends of one side beam 10 are respectively and fixedly connected with the front end surfaces of the opening end plate 2 and the end plate 3 through a second hexagon socket head cap screw 11, and two ends of the other side beam 10 are respectively and fixedly connected with the rear end surfaces of the opening end plate 2 and the end plate 3 through a second hexagon socket head cap screw 11; the two side beams 10 are positioned above the studs 8, and the studs 8 and the matched nuts 9 are not shielded by the side beams 10, so that the position of the movable baffle 4 is convenient to adjust.

And a second threaded hole is formed in the middle of the side beam 10 and is fixedly connected with an inner hexagonal flat-end holding screw 12, and the end of the inner hexagonal flat-end holding screw 12 presses the upper part of the movable baffle 4 to further press the outer wall of the groove-shaped workpiece.

As shown in fig. 4, the length-adjustable inner supporting column 5 comprises a stud 501 and two sleeves 502, the thread directions of the two ends of the stud 501 are opposite, the two sleeves 502 are provided with internal thread holes, the stud 501 is matched and connected with the internal thread holes of the two sleeves 502, and the studs 501 are screwed into or out of the sleeves 502 at the two ends through a left-handed or right-handed stud 501, so that the length of the whole length-adjustable inner supporting column 5 is adjusted, and the inner wall of a groove-shaped workpiece is compressed.

As shown in fig. 1, L represents the maximum length of a single set of clamps capable of clamping a thin-wall groove-shaped workpiece 13, and when three sets of clamps are used, a groove-shaped workpiece with a length of 3L can be clamped; in the drawing, W1 represents the maximum width of the clamp capable of clamping the thin-walled groove-shaped workpiece 13, and W2 represents the minimum width of the clamp capable of clamping the thin-walled groove-shaped workpiece 13, so that the width range of clamping the groove-shaped workpiece is W2 to W1.

The working principle is as follows:

firstly, the width W0 of the thin-wall groove-shaped workpiece 13 needs to satisfy W2-W1, then the length L0 of the thin-wall groove-shaped workpiece 13 is measured, and the L0 is more than or equal to L or L0 is more than or equal to 2L or L0 is more than or equal to 3L, a single set of clamp, two sets of clamps or three sets of clamps are selected, when a plurality of sets of clamps are used, a substrate is placed below the clamps, and the clamps are fixed on the substrate by using the positioning threaded holes 6 of the clamp bottom plate 1.

As shown in fig. 2, according to the width W0 of the thin-wall grooved workpiece 13, after the movable baffle 4 on both sides moves in place on the stud 8, the front and back sides of the lower part of the movable baffle 4 are fixed by nuts 9, then the upper part of the movable baffle 4 is pressed tightly by using the hexagon socket head set screw 12, so that the movable baffle 4 is tightly attached to the outer wall of the workpiece, the length of the length-adjustable inner support column 5 is adjusted, and both ends of the length-adjustable inner support column 5 are tightly attached to the inner wall of the workpiece, thereby completing the clamping of the grooved workpiece.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The clamp for welding the thin-wall groove-shaped workpiece is characterized by comprising a bottom plate, wherein the left side and the right side of the bottom plate are fixedly connected with an opening end plate and an end plate respectively, a plurality of pairs of movable baffles capable of moving forwards and backwards are arranged on the front side and the rear side of the bottom plate, a plurality of inner supporting columns with adjustable lengths are arranged in the thin-wall groove-shaped workpiece, and the thin-wall groove-shaped workpiece is clamped by the movable baffles on the outer side and the inner supporting columns with adjustable lengths on the inner side.

2. The clamp for welding a thin-wall groove-shaped workpiece according to claim 1, wherein a positioning threaded hole is formed in the center of the bottom plate.

3. The clamp for welding the thin-wall groove-shaped workpiece according to claim 1, wherein the left side and the right side of the bottom plate are fixedly connected with the opening end plate and the end plate respectively through a first hexagon socket head cap screw.

4. The clamp for welding the thin-wall groove-shaped workpiece according to claim 1, wherein threaded holes I are formed in the front side and the rear side of the bottom plate, and are fixedly connected with the studs; the lower part of the movable baffle is sleeved on the stud in a penetrating manner, and the front surface and the back surface of the movable baffle are fixed by nuts.

5. The clamp for welding the thin-wall groove-shaped workpiece according to claim 4, which is characterized by further comprising two side beams, wherein two ends of one side beam are respectively and fixedly connected with the front end surfaces of the opening end plate and the end plate through a second hexagon socket head cap screw, and two ends of the other side beam are respectively and fixedly connected with the rear end surfaces of the opening end plate and the end plate through a second hexagon socket head cap screw.

6. The thin-walled trough-shaped workpiece welding jig of claim 5, wherein the two side beams are positioned above the stud.

7. The clamp for welding the thin-wall groove-shaped workpiece according to claim 5, wherein a second threaded hole is formed in the middle of the side beam, the second threaded hole is fixedly connected with an inner hexagonal flat-end fastening screw, and the end of the inner hexagonal flat-end fastening screw presses the upper part of the movable baffle.

8. The clamp for welding the thin-wall groove-shaped workpiece according to claim 1, wherein the length-adjustable inner support column comprises a stud and two sleeves, the two ends of the stud are oppositely threaded, the two sleeves are provided with internal threaded holes, and the stud is matched and connected with the internal threaded holes of the two sleeves.