CN220145122U - Welding fixture - Google Patents

Abstract

The utility model belongs to the technical field of kitchen electrical processing, and discloses a welding tool. The welding tool is used for clamping and positioning a workpiece to be welded and comprises a fixing part and a plurality of movable parts, the workpiece can be sleeved on the fixing part, and the inner side surface of the workpiece is attached to the fixing part. The movable part comprises a profiling plate, the profiling plate can move relative to the fixed part so as to press the outer side face of the workpiece, and the profiling plates of the movable parts are pressed on different side faces of the workpiece so as to clamp the workpiece in cooperation with the fixed part. When the welding tool clamps a workpiece, the movable part and the fixed part respectively clamp the workpiece from the outer side and the inner side of the workpiece, so that the stress of the workpiece is balanced, the workpiece is effectively prevented from being deformed due to extrusion, the bonding performance of a welding seam is favorably maintained, and the subsequent welding effect on the workpiece is ensured.

Description

Welding fixture

Technical Field

The utility model relates to the technical field of kitchen electrical machining, in particular to a welding tool.

Background

When the upright post component of the integrated kitchen range head air collecting cover is processed, the left sealing cover and the right sealing cover are respectively processed, a plate is generally punched to form the left sealing cover and the right sealing cover with required shapes, and then the left sealing cover and the right sealing cover are welded to form the upright post component, and the inside of the upright post component is hollow so as to allow air flow to pass through.

When the left sealing cover and the right sealing cover are welded, a welding tool is required to be used for fixing, so that welding seams of the left sealing cover and the right sealing cover are attached. Because the left sealing cover and the right sealing cover are of hollow structures after being spliced, when the welding tool in the prior art is used for clamping and fixing the left sealing cover and the right sealing cover, the left sealing cover and the right sealing cover are easy to deform, so that welding and attaching are not in place, the subsequent welding effect is affected, and even the product is unqualified.

Therefore, improvements in welding tools are needed to address the above issues.

Disclosure of Invention

The utility model aims to provide a welding tool which can prevent a hollow workpiece from deforming when being clamped, so that welding seams are guaranteed to be attached in place.

To achieve the purpose, the utility model adopts the following technical scheme:

the welding frock for treat welded work piece and carry out centre gripping location, include:

the workpiece can be sleeved on the fixing part, and the inner side surface of the workpiece is attached to the fixing part;

the movable parts comprise profiling plates which can move relative to the fixed parts so as to press the outer side faces of the workpieces, and the profiling plates of the movable parts press different side faces of the workpieces so as to be matched with the fixed parts to clamp the workpieces.

As an alternative scheme, be provided with on the fixed part and dodge the groove, a side wall of work piece inserts dodge the inslot and butt in dodge the cell wall in groove, another side wall opposite on the work piece can articulate in the fixed part.

As an alternative, the workpiece includes a first part and a second part, the first part and the second part are spliced to form the workpiece, the movable part includes a first movable part and a second movable part, the first movable part presses the first part, and the second movable part presses the second part, so that the first part and the second part are jointed to form a welding seam.

Alternatively, each of the first movable portion and the second movable portion includes:

the shape of the side surface of the first profiling plate facing the fixing part is matched with the shape of the pressed surface on the first part or the second part;

the driving end of the first driving piece is connected with the first profiling plate, and the first driving piece can drive the first profiling plate to be close to or far away from the fixing part.

Alternatively, the first movable portion further includes:

the shape of the side surface of the second profiling plate facing the fixing part is matched with the shape of the pressed surface of the first part, and the second profiling plate and the first profiling plate respectively press two adjacent side surfaces of the first part;

the driving end of the second driving piece is connected to the second profiling plate, and the second driving piece can drive the second profiling plate to be close to or far away from the fixing portion.

Alternatively, the fixed end of the first driving member of the first movable portion is disposed at the driving end of the second driving member.

As an alternative, the first profile plates of the first movable part and/or the second movable part are respectively provided with at least two, and the at least two first profile plates are arranged along the length direction of the first part or the second part; and/or the number of the groups of groups,

the second profile plates are provided with at least two, at least two the second profile plates are arranged along the length direction of the first part or the second part.

Alternatively, each first cam is provided with one first driving piece correspondingly; and/or, each second profiling plate is correspondingly provided with one second driving piece.

Alternatively, the fixing part includes:

the workpiece is sleeved on the bearing body;

the positioning block is arranged at one end of the bearing body, and the end part of the workpiece can be propped against the positioning block.

As an alternative, the welding fixture further includes:

the workbench, the fixed part and the movable part are both arranged on the workbench.

Alternatively, the workbench comprises a support frame and an operation table top, and the operation table top is detachably arranged on the support frame.

The beneficial effects are that:

when the welding tool provided by the utility model is used for fixing a workpiece, the workpiece is sleeved on the fixing part, the fixing part can be supported on the inner side of the workpiece, when the movable part is propped against the outer side surface of the workpiece, the inner side surface of the workpiece is attached to the fixing part, and the movable part and the fixing part respectively clamp the workpiece from the outer side and the inner side of the workpiece, so that the workpiece is stressed more uniformly, deformation of the workpiece caused by extrusion is effectively avoided, the attachment of a welding seam is favorably maintained, and the subsequent welding effect on the workpiece is ensured.

Drawings

FIG. 1 is a schematic diagram of an assembled structure of a workpiece according to an embodiment of the present utility model;

FIG. 2 is a schematic view of an exploded construction of a workpiece according to an embodiment of the present utility model; the method comprises the steps of carrying out a first treatment on the surface of the

Fig. 3 is a schematic diagram of an overall structure of a welding tool according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a fixing portion according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a fixing portion according to a second embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a welding fixture removal support frame according to an embodiment of the present utility model.

In the figure:

100. a workpiece; 110. a first part; 120. a second part; 130. welding seams;

1. a fixing part; 11. a bearing body; 111. an avoidance groove; 12. a positioning block;

2. a first movable portion; 21. a first cam; 211. profiling blocks; 22. a first driving member; 23. a second cam; 24. a second driving member;

3. a second movable portion;

4. a work table; 41. a support frame; 42. an operating table; 421. and a guide rail.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

When the workpiece is welded, the workpiece is required to be clamped and fixed, so that the welding seam is attached in place, and the consistency of a welding path is ensured. Some workpieces are hollow structures, and when the workpieces are directly clamped, the workpieces are easy to squeeze and deform, so that welding seams are not attached in place, and the subsequent welding effect is affected.

As shown in fig. 1 and 2, the workpiece 100 to be welded is a stand column assembly of an integrated kitchen range, and the stand column assembly comprises a U-shaped sealing plate (a first part 110) and an L-shaped sealing plate (a second part 120), the U-shaped sealing plate and the L-shaped sealing plate are welded and connected to form a tetragonal hollow structure, and one end of the U-shaped sealing plate and one end of the L-shaped sealing plate, which are not welded and connected, form an opening.

The embodiment provides a welding frock for carry out centre gripping location to foretell stand subassembly, with the welding operation of convenience. Specifically, as shown in fig. 3, the welding work includes a fixed portion 1 and a plurality of movable portions, the work 100 can be fitted around the fixed portion 1, and the inner side surface of the work 100 is bonded to the fixed portion 1. The movable part comprises a profiling plate which can move relative to the fixed part 1 so as to press the outer side surface of the workpiece 100, and the profiling plates of the movable parts are pressed on different side surfaces of the workpiece 100 so as to clamp the workpiece 100 in cooperation with the fixed part 1.

When the workpiece 100 is fixed, the workpiece 100 is sleeved on the fixing part 1, the fixing part 1 can be supported on the inner side of the workpiece 100, when the movable part abuts against the outer side face of the workpiece 100, the inner side face of the workpiece 100 is attached to the fixing part 1, and the movable part and the fixing part 1 respectively clamp the workpiece 100 from the outer side and the inner side of the workpiece 100, so that the workpiece 100 is stressed more uniformly, deformation of the workpiece 100 caused by extrusion is effectively avoided, the attachment of the welding seam 130 is favorably maintained, and the subsequent welding effect on the workpiece 100 is ensured.

Optionally, as shown in fig. 4 and fig. 5, the fixing portion 1 includes a bearing body 11 and a positioning block 12, an avoidance groove 111 is provided on the bearing body 11, the positioning block 12 is provided at the front end of the bearing body 11, a side wall of the workpiece 100 is inserted into the avoidance groove 111 and abuts against a groove wall of the avoidance groove 111, and the opposite other side wall of the workpiece 100 can be hung on the fixing portion 1. The escape groove 111 provides an escape position for the workpiece 100, so that the workpiece 100 can be fitted into the fixing portion 1 and kept in contact with the fixing portion 1. The positioning block 12 shields the avoiding groove 111, and the end of the workpiece 100 abuts against the positioning block 12 to limit the position of the workpiece 100 on the carrying body 11.

Specifically, as shown in fig. 4 and 5, the avoidance groove 111 is disposed on both the left and right sides of the bearing body 11, the lower side wall of the first part 110 abuts against the groove wall of the avoidance groove 111 on the left side, the upper side wall of the first part 110 is hung on the upper side surface of the bearing body 11, and the lower side wall of the second part 120 abuts against the groove wall of the avoidance groove 111 on the right side.

Further, as shown in fig. 3 and 6, the movable portion includes a first movable portion 2 and a second movable portion 3, the first movable portion 2 presses the first part 110, and the second movable portion 3 presses the second part 120, so as to prevent the first part 110 and the second part 120 from moving relatively, so that the first part 110 and the second part 120 are attached to each other to form a weld 130.

Specifically, as shown in fig. 3 and 6, each of the first movable portion 2 and the second movable portion 3 includes a first cam 21 and a first driver 22, and the shape of the side surface of the first cam 21 facing the fixed portion 1 matches the shape of the pressed surface on the first part 110 or the second part 120. The driving end of the first driving member 22 is connected to the first cam 21, and the first driving member 22 can drive the first cam 21 to be close to or far away from the fixing portion 1. The first driving member 22 may be a cylinder or an electric cylinder, and is stable and reliable in operation.

The first cam 21 of the first movable part 2 is arranged on the upper side of the bearing body 11, and moves up and down to press the upper side surface of the first part 110; the first cam 21 of the second movable part 3 is disposed on the right side of the bearing body 11, and reciprocates left and right to press the right side surface of the second part 120. Since the rear end of the first part 110 is bent toward the first part 110 and a seal is formed at the rear end of the workpiece 100, a profiling block 211 is provided at the rear end of the first profiling plate 21 of the second movable portion 3, and the profiling block 211 is bonded to the rear side of the workpiece 100 during the movement of the first profiling plate 21 toward the right side of the first part 110. The profiling block 211 cooperates with the locating block 12 to limit the back and forth movement of the workpiece 100.

Optionally, at least two first cams 21 of the first movable part 2 and/or the second movable part 3 are provided, the at least two first cams 21 being arranged along the length of the first part 110 or the second part 120. By arranging the plurality of first profiling plates 21, the first part 110 and the second part 120 are pressed in a segmented mode, and the shapes of the first profiling plates 21 and the workpiece 100 at the pressing position are matched, so that the first profiling plates 21 can be processed conveniently. In this embodiment, two first shaping plates 21 are provided, and in actual working conditions, according to the lengths and structures of the first part 110 and the second part 120, more than two first shaping plates 21 may be provided, and the specific number of the first shaping plates is not limited herein.

Specifically, each first cam 21 is correspondingly provided with a first driving piece 22, and the first cams 21 are respectively adjusted, so that the travelling stroke of the first cams 21 is conveniently and flexibly adjusted. Of course, it is also possible to provide one first driving member 22 for each of the first movable portion 2 and the second movable portion 3, and one first driving member 22 may drive the plurality of first cam plates 21 to move synchronously.

Further, the left side surface of the first part 110 needs to be pressed, so, as shown in fig. 6, the first movable portion 2 further includes a second cam 23 and a second driving member 24, the shape of the side surface of the second cam 23 facing the fixed portion 1 matches the shape of the pressed surface of the first part 110, and the second cam 23 and the first cam 21 respectively press two adjacent side surfaces of the first part 110. The driving end of the second driving member 24 is connected to the second cam 23, and the second driving member 24 can drive the second cam 23 to approach or separate from the fixing portion 1. The second driving member 24 may employ a cylinder.

In this embodiment, since the left side surface of the first part 110 is a plane, one second cam 23 is provided. In other embodiments, if the workpiece 100 pressed by the second profile plate 23 has a relatively large length and a complex shape, two or more second profile plates 23 may be provided, and at least two second profile plates 23 may be disposed along the length direction of the first part 110 or the second part 120.

Optionally, each second cam 23 is correspondingly provided with a second driving piece 24, so that the second cams 23 are respectively adjusted, and the travelling stroke of the second cams 23 is conveniently and flexibly adjusted. Of course, a second driving member 24 may be provided to drive the plurality of second cam plates 23 to move synchronously.

Alternatively, as shown in fig. 6, the fixed end of the first driving member 22 of the first movable portion 2 is disposed at the driving end of the second driving member 24, and when the second driving member 24 drives the second cam 23 to move back and forth, the first driving member 22 and the first cam 21 of the first movable portion 2 can be synchronously driven to move synchronously.

Further, referring back to fig. 3, the welding fixture further includes a workbench 4, and the fixed portion 1 and the movable portion are both disposed on the workbench 4.

Specifically, the table 4 includes a support 41 and an operation table 42, and the operation table 42 is detachably provided on the support 41. The fixed part 1 and the movable part are arranged on the operation table surface 42, and when the workpiece 100 to be welded is changed, the operation table surface 42, the fixed part 1 and the movable part can be correspondingly replaced, so that the welding tool can adapt to different types of workpieces 100.

The operation table top 42 is positioned on the support frame 41 through four positioning pins, and when the operation table top is disassembled, only the four positioning pins are needed to be operated, so that the disassembly is convenient.

In order to make the movement of the second cam 23 smoother, a guide rail 421 is provided on the operation table 42, and the second cam 23 slides along the guide rail 421, thereby reducing the driving force required to be provided by the second driving member 24.

The working process comprises the following steps:

in the initial position, the first profile plate 21 and the second profile plate 23 are located away from the fixed part 1;

inserting the lower side wall of the first part 110 into the left avoiding groove 111, so that the upper side wall of the first part 110 is hung on the upper side surface of the bearing body 11;

the second cam 23 of the first movable part 2 is driven to move rightwards and is abutted against the left side surface of the first part 110;

the first cam 21 of the first movable part 2 is driven to move downwards and is abutted against the upper side surface of the first part 110;

inserting the lower side wall of the second part 120 into the right escape groove 111, and attaching the lower side wall of the second part 120 to the lower side wall of the escape groove 111;

the first cam 21 of the second movable part 3 is driven to move leftwards and is abutted against the right side surface and the rear side surface of the second part 120, the first part 110 and the second part 120 are completely positioned, the first part 110 and the second part 120 are abutted to form a welding line 130, and at the moment, the welding equipment starts welding.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (11)

1. The welding frock for treat work piece (100) of welding centre gripping location, its characterized in that includes:

a fixing part (1), wherein the workpiece (100) can be sleeved on the fixing part (1), and the inner side surface of the workpiece (100) is attached to the fixing part (1);

the movable parts comprise profiling plates which can move relative to the fixed parts (1) to press the outer side faces of the workpieces (100), and the plurality of the movable parts press different side faces of the workpieces (100) to be matched with the fixed parts (1) to clamp the workpieces (100).

2. The welding fixture according to claim 1, wherein the fixing portion (1) is provided with an avoidance groove (111), one side wall of the workpiece (100) is inserted into the avoidance groove (111) and abuts against a groove wall of the avoidance groove (111), and the other opposite side wall of the workpiece (100) can be hung on the fixing portion (1).

3. The welding tool according to claim 1, wherein the workpiece (100) comprises a first part (110) and a second part (120), the first part (110) and the second part (120) are spliced to form the workpiece (100), the movable part comprises a first movable part (2) and a second movable part (3), the first movable part (2) is used for pressing the first part (110), and the second movable part (3) is used for pressing the second part (120) so that the first part (110) and the second part (120) are jointed to form a welding seam (130).

4. A welding fixture according to claim 3, wherein the first movable part (2) and the second movable part (3) each comprise:

a first cam (21), the shape of the side surface of the first cam (21) facing the fixed part (1) is matched with the shape of the pressed surface on the first part (110) or the second part (120);

the first driving piece (22), the drive end of first driving piece (22) is connected first former (21), first driving piece (22) can drive first former (21) are close to or keep away from fixed part (1).

5. Welding fixture according to claim 4, characterized in that the first movable part (2) further comprises:

the shape of the side surface of the second cam (23) facing the fixed part (1) is matched with the shape of the pressed surface of the first part (110), and the second cam (23) and the first cam (21) respectively press two adjacent side surfaces of the first part (110);

the driving end of the second driving piece (24) is connected with the second profiling plate (23), and the second driving piece (24) can drive the second profiling plate (23) to be close to or far away from the fixing part (1).

6. Welding fixture according to claim 5, characterized in that the fixed end of the first driving member (22) of the first movable part (2) is arranged at the driving end of the second driving member (24).

7. Welding tool according to claim 5, characterized in that the first cams (21) of the first movable part (2) and/or the second movable part (3) are provided with at least two, respectively, at least two of the first cams (21) being arranged in the length direction of the first part (110) or the second part (120); and/or the number of the groups of groups,

the second profiling plates (23) are provided with at least two, at least two of the second profiling plates (23) are arranged along the length direction of the first part (110) or the second part (120).

8. Welding tool according to claim 7, wherein each of said first profile plates (21) is provided with a corresponding one of said first driving members (22); and/or each second cam (23) is provided with a corresponding second driving element (24).

9. Welding fixture according to any one of claims 1-8, characterized in that the fixing part (1) comprises:

the workpiece (100) is sleeved on the bearing body (11);

the positioning block (12) is arranged at one end of the bearing body (11), and the end part of the workpiece (100) can be abutted against the positioning block (12).

10. The welding fixture of any one of claims 1-8, wherein the welding fixture further comprises:

and the fixed part (1) and the movable part are arranged on the workbench (4).

11. Welding tool according to claim 10, characterized in that the work bench (4) comprises a support frame (41) and an operating table top (42), the operating table top (42) being detachably mounted on the support frame (41).