CN217889920U

CN217889920U - Welding jig and welding equipment

Info

Publication number: CN217889920U
Application number: CN202222275443.4U
Authority: CN
Inventors: 刘豪博; 宋明炫; 张珂; 周中心
Original assignee: Shanghai Lanjun New Energy Technology Co Ltd
Current assignee: Shanghai Lanjun New Energy Technology Co Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-11-25
Anticipated expiration: 2032-08-29

Abstract

The utility model provides a welding fixture and welding equipment, which comprises a fixture body, a driving mechanism and a positioning piece; the clamp body comprises a first clamping piece and a second clamping piece and is used for clamping a workpiece; the driving mechanism is used for driving the clamp body to enable the first clamping piece and the second clamping piece to clamp the workpiece along a first direction; the positioning piece is used for determining the position of the welding point; a plurality of the positioning pieces are arranged in the second direction and are sequentially and alternately arranged on two sides of the first clamping piece, the second direction is perpendicular to the first direction, and the welding fixture can reduce the bending deformation of the thin plate type workpiece in the welding process.

Description

Welding jig and welding equipment

Technical Field

The utility model relates to the field of welding technique, especially, relate to a welding jig and welding equipment.

Background

The sheet metal connection is mainly laser welding, and the welding method has the advantages of high energy density, small heat affected zone, small welding residual stress and stress strain and the like, and is gradually popularized and applied to the connection of the sheet metal. When laser welding thin sheets, a laser welding head welds along a weld. Since the heat input of laser welding is concentrated, the problem of large bending deformation of thin workpieces occurs during welding, which leads to the reduction of product quality.

Therefore, there is a need to develop a new welding fixture and welding equipment to improve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding jig and welding equipment can reduce the bending deformation that sheet type work piece produced in welding process.

In order to achieve the above purpose, the utility model provides a welding fixture, which comprises a fixture body, a driving mechanism and a positioning piece; the clamp body comprises a first clamping piece and a second clamping piece and is used for clamping a workpiece; the driving mechanism is used for driving the clamp body to enable the first clamping piece and the second clamping piece to clamp the workpiece along a first direction; the positioning pieces are used for determining the positions of the welding points; the positioning pieces are respectively arranged on two sides of the first clamping piece along a second direction, and the second direction is perpendicular to the first direction.

The utility model provides a welding jig's beneficial effect lies in: use actuating mechanism drive first holder with the second holder is along the first direction clamp tightly wait two welded sheet metal work pieces, and will the setting element arrange respectively along the second direction set up in the both sides of first holder, the foundation the position indication of setting element follows the second direction welds in turn in work piece both sides in proper order, compares one side along sharp welding, and both sides weld in turn makes to separate far away between the welding point, and the high temperature that the welding point department produced looses fast easily, and stress obtains releasing under the fast hot fast cold's the circumstances, can reduce because of long-time heating stress accumulation at the weld, improves the slow in-process of releasing of residual stress after the welding is accomplished and continues to take place crooked circumstances, causes the too big circumstances of crooked shape variable, improves welding quality.

Optionally, the position of the positioning element on one side of the first clamping element corresponds to the position of the gap between adjacent positioning elements on the other side.

Optionally, the first clamping member includes a clamping surface for abutting against a surface of a workpiece, and a surface of the positioning member adjacent to the second clamping member is flush with the clamping surface. The beneficial effects are that: the positioning piece and the surface of the second clamping piece on the same side close to the workpiece are flushed, so that the plurality of positioning pieces protruding from the second clamping piece can press the edge of the workpiece, and the heated bending generated by welding of sheet parts is reduced.

Optionally, the spacing between adjacent positioning members is equal. The beneficial effects are that: the distance between the welding points in the length direction of the workpiece is equal, and the workpiece is beneficial to improving the bending deformation of the workpiece.

Optionally, the positioning member is cuboid.

Optionally, the number of the positioning pieces on one side of the first clamping piece is greater than or equal to 4 and less than or equal to 6.

Optionally, the second clamping member includes a supporting portion, the supporting portion includes two supporting surfaces perpendicular to a third direction and facing each other, and the two supporting surfaces are used for supporting a surface of the workpiece to position the workpiece in the third direction, and the third direction is perpendicular to the first direction and the second direction. The beneficial effects are that: the alignment of the thin plate parts in the third direction is facilitated, so that the welding precision is improved.

Optionally, the abutting portion includes a groove adapted to the shape of the positioning member, and the groove is used for accommodating the positioning member. The beneficial effects are that: when the upper surface of the workpiece is lower than the upper surface of the abutting part, the abutting part and the protruding positioning piece are prevented from mechanically interfering with the first clamping piece when the clamp body clamps the workpiece, and meanwhile, the workpiece is conveniently pressed so as to improve the welding precision and the bending deformation generated by welding.

Optionally, the abutting portion includes a first abutting portion and a second abutting portion, and the second abutting portion is movably disposed on the first abutting portion along the third direction. The beneficial effects are that: the clamping and welding of workpieces with different sizes are facilitated.

Optionally, the clamp body further includes a screw hole and a screw rod disposed in the screw hole, and the screw rod is connected to the second abutting portion to drive the second abutting portion.

The utility model provides a welding equipment, welding equipment includes foretell welding jig, and its beneficial effect lies in the bending deformation that produces when can improving sheet metal type part welding.

Drawings

Fig. 1 is a schematic structural view of a welding jig in an embodiment of the present invention;

FIG. 2 is a schematic view of the welding fixture of FIG. 1 clamping a workpiece;

FIG. 3 is a schematic view of the positioning element and the welding point shown in FIG. 1;

FIG. 4 is a schematic view of the welding fixture shown in FIG. 2 in a view along direction A;

fig. 5 is a schematic view of the structure of the workpiece shown in fig. 2.

Reference numerals:

101. a first clamping member; 102. a second clamping member; 1021. a first abutting portion; 1022. a second abutting portion; 2. a drive mechanism; 3. a positioning member; 4. a workpiece; 5. a groove; 6. a screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in 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. Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean 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.

For solving the problem that prior art exists, the embodiment of the utility model provides a welding jig.

Fig. 1 is a schematic structural view of a welding jig in an embodiment of the present invention; FIG. 2 is a schematic diagram of the welding fixture of FIG. 1 in operation clamping a workpiece; FIG. 3 is a schematic view of the positioning element and the welding point shown in FIG. 1; FIG. 4 is a schematic view of the welding fixture shown in FIG. 2 from a perspective of direction A; fig. 4 is a schematic structural diagram of the workpiece shown in fig. 2.

In some embodiments of the present invention, referring to fig. 1 and 2, the welding fixture includes a fixture body, a driving mechanism 2, and a plurality of positioning members 3, wherein the fixture body includes a first clamping member 101 and a second clamping member 102 for clamping a workpiece 4; the driving mechanism 2 is used for driving the clamp body to enable the first clamping piece 101 and the second clamping piece 102 to clamp the workpiece 4 along a first direction; the positioning piece 3 is used for determining the position of a welding point; the positioning members 3 are arranged on two sides of the first clamping member 101 along a second direction, and the second direction is perpendicular to the first direction.

In some embodiments, referring to fig. 2, the first direction is the direction of fig. C and the second direction is the direction of fig. a.

In some embodiments, referring to fig. 3, the position of the positioning member on one side of the first clamping member is adjacent to the other side of the first clamping member, the gap position of the positioning member is corresponding, that is, the positioning member 3 is arranged along the direction of the diagram a, the first positioning member 3 is located on the right side of the diagram of the first clamping member 101, the second positioning member 3 is located on the left side of the diagram of the first clamping member 101, and the other positioning member 3 is arranged in sequence according to the above mode.

In other embodiments of the present invention, in the second direction, the position of the positioning member on one side of the first clamping member corresponds to the position of the positioning member on the other side, i.e., both sides of the positioning member are located at the same position in the second direction.

The utility model discloses in some embodiments, refer to fig. 1 and 2, first holder 101 is the cuboid form, and length and width form the great clamping face of area so that more stably the butt in the upper surface of sheet type work piece 4, exert a pressure of resisting deformation to the work piece, are favorable to further reducing thermal deformation and make the welding seam laminate completely.

In some embodiments of the present invention, referring to fig. 1 and 2, the second clamping member 102 has a carrying surface with an area larger than the lower surface of the workpiece 4 for placing the workpiece 4.

In some embodiments of the present invention, referring to fig. 1, fig. 2 and fig. 3, the driving mechanism 2 is connected to the first clamping member 101, the second clamping member 102 is fixedly disposed, and the workpiece 4 is disposed on the second clamping member 102 during the use process, the driving mechanism drives the first clamping member 101 to move to the workpiece 4 above the diagram and from top to bottom, the workpiece 4 is tightly held.

In some embodiments, referring to fig. 1 and 2, the dimensions of the first clamping member 101 in the length and width directions are similar to the dimensions and shape of the upper surface of the workpiece 4, and the width of the first clamping member 101 is slightly less than the width of the workpiece 4.

In some embodiments of the present invention, referring to fig. 5, the workpiece 4 is a sheet metal part.

In some embodiments, referring to fig. 5, the workpiece 4 includes a plate-like member and a rectangular parallelepiped thin-shell member having an upper opening, and the plate-like member and the rectangular parallelepiped thin-shell member are welded to the upper opening of the rectangular parallelepiped thin-shell member during the welding process to form a case for placing a battery pack to form a battery.

The utility model discloses in some embodiments, in the width direction of work piece 4, the width of first holder 101 and both sides the width of setting element 3 adds and is less than the width of work piece 4, the position of welding point passes through this moment the position of setting element 3 is confirmed, and the welding point is located the position department of certain distance in the side direction of setting element 3 promptly.

In other embodiments of the present invention, referring to fig. 3, in the width direction of the workpiece 4, the width of the first clamping member 101 and the width of the positioning members 3 on both sides are added to be greater than the width of the workpiece 4, and at this time, the position of the welding point is determined by the gap between two adjacent positioning members 3 in the length direction of the first clamping member 101, that is, the welding point is located between two adjacent positioning members 3 in the direction of the diagram a on the same side of the first clamping member 101; meanwhile, the positioning piece 3 partially protrudes out of two sides of the workpiece 4 in the width direction, so that the upper workpiece 4 is not easy to bend in the clamping process, and the effect of resisting the bending deformation caused by welding heating is better.

The utility model discloses in some embodiments, refer to fig. 3, welding jig is pressing from both sides tightly behind the work piece 4, welder foundation the position of welding point is confirmed to setting element 3, the welding point includes a to j point, and welded precedence is a, b, c, d, e, f, g, h, i, j.

The utility model discloses in some embodiments, refer to fig. 3, welding jig is pressing from both sides tightly 4 backs of work pieces, welder foundation the position of welding point is confirmed to setting element 3, the welding point includes a to j point, and welded precedence is b, c, f, i, an, d, e, h, g, j, and welding deformation is in when being favorable to avoiding the homonymy to weld many times work piece one side accumulation causes crooked deformation too big.

The utility model discloses in some embodiments, welding jig is pressing from both sides tightly 4 back welder of work piece according to the position of welding point is in is confirmed to setting element 3 the both sides of first holder 101 are accomplished once and are welded the back in turn, first holder 101 is loosened work piece 4 and will work piece 4 moves the certain distance back along 4 length directions of work piece of illustration and presss from both sides tight again work piece 4 continues to carry out welding in turn, up to flat-plate part with contact segment forms complete welding seam between the cuboid form shell part.

In some embodiments of the present invention, referring to fig. 2, the first clamping member 101 includes a clamping surface, the clamping surface is used for abutting the surface of the workpiece 4, the positioning member 3 is close to the surface of the second clamping member 102 and the clamping surface is flush, i.e. the lower surface of the positioning member 3 and the lower surface of the first clamping member 101 are flush.

In some embodiments of the present invention, referring to fig. 1 and 2, the positioning member 3 is a rectangular parallelepiped, but the present invention is not limited thereto.

In some embodiments of the present invention, referring to fig. 1 and fig. 2, adjacent to each other, the distance between the positioning members 3 is equal.

In some embodiments of the present invention, referring to fig. 1 and 2, the number of the positioning members on one side of the first clamping member is greater than or equal to 4 and less than or equal to 6.

Specifically, the number of the positioning members on one side of the first clamping member is 4, 5 or 6.

In some embodiments, referring to fig. 1, 2 and 4, the upper surface of second holder 102 is provided with supports portion, support portion includes perpendicular to third direction and two support surfaces facing each other, support portion is used for the butt the surface of the left and right sides that work piece 4 illustrates makes work piece 4 is in the third direction, drawing B is fixed a position in the direction promptly, the third direction perpendicular to first direction with the second direction, drawing A direction, drawing B direction and drawing C direction mutually perpendicular.

In some embodiments of the present invention, referring to fig. 1, the supporting portion includes a groove 5 adapted to the shape of the positioning member 3, and the groove 5 is used for accommodating the positioning member 3.

In some embodiments of the present invention, referring to fig. 2, the supporting portion includes a first supporting portion 1021 and a second supporting portion 1022, and the second supporting portion 1022 is movably disposed on the first supporting portion 1021 along the third direction, i.e. the direction B shown in the figure.

In some embodiments, referring to fig. 2 and 4, the clamp body further includes a screw rod 6 disposed in the screw hole, and the screw rod 6 is connected to the second abutting portion 1022 to drive the second abutting portion 1022.

The embodiment of the utility model provides a welding equipment is still provided, including foretell welding jig.

Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations fall within the scope and spirit of the invention as set forth in the following claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.

Claims

1. A welding fixture, comprising:

the clamp comprises a clamp body, a clamping part and a clamping part, wherein the clamp body comprises a first clamping piece and a second clamping piece and is used for clamping a workpiece;

the driving mechanism is used for driving the clamp body to enable the first clamping piece and the second clamping piece to clamp the workpiece along a first direction;

the positioning pieces are used for determining the positions of the welding points;

the positioning pieces are respectively arranged on two sides of the first clamping piece along a second direction, and the second direction is perpendicular to the first direction.

2. The welding jig of claim 1, wherein the positioning member on one side of the first clamping member is positioned to correspond to a gap between adjacent positioning members on the other side.

3. The welding fixture of claim 1, wherein the first clamping member includes a clamping face configured to abut a surface of a workpiece, a surface of the positioning member proximate the second clamping member being flush with the clamping face.

4. The welding fixture of claim 1, wherein adjacent positioning members are equally spaced.

5. The welding jig of claim 1, wherein the positioning member is rectangular parallelepiped in shape.

6. The welding jig of claim 1, wherein the number of the positioning members on one side of the first clamping member is equal to or greater than 4 and equal to or less than 6.

7. The welding jig of claim 1, wherein the second clamping member includes an abutting portion including two abutting surfaces perpendicular to a third direction and facing each other for abutting against a surface of the workpiece to position the workpiece in the third direction, the third direction being perpendicular to the first direction and the second direction.

8. The welding fixture of claim 7, wherein the holding portion comprises a groove adapted to the shape of the positioning member, and the groove is configured to receive the positioning member.

9. The welding jig of claim 7, wherein the abutting portion comprises a first abutting portion and a second abutting portion, and the second abutting portion is movably disposed on the first abutting portion along the third direction.

10. The welding jig of claim 9, wherein the jig body further comprises a screw hole and a screw rod disposed in the screw hole, the screw rod being connected to the second abutting portion to drive the second abutting portion.

11. A welding apparatus comprising a welding fixture as claimed in any one of claims 1 to 10.