TWM532331U - Positioning clamper for use in soldering operation - Google Patents

Description

Positioning fixture for welding operations

The present invention relates to a positioning fixture for a welding operation, in particular to a positioning fixture which is applied to a high-frequency welding machine and can simultaneously position a core wire and a workpiece to be welded to facilitate high-frequency welding.

At present, a device for heating and welding with high frequency is generally used, mainly for causing an alternating current to flow around an annular induction coil, thereby generating a magnetic flux and placing a metal workpiece to be heated between the two electrode modules, and the magnetic flux is passed through. The workpiece is heated and eddy current is generated by electromagnetic induction to cause induced heating.

Nowadays, electronic products are increasingly required to be miniaturized and miniaturized, which leads to extremely strict soldering position accuracy in the miniaturization and miniaturization of electronic products for wire bonding, for example, in the circuit board and core of the connector. In the case of alignment welding, because the spacing between any two adjacent core wires is extremely small and each core wire is accurately placed on each solder joint at the same time, it is difficult to accurately solder the core wires to the pins of the circuit board and is easy to short-circuit each other or The problem of misalignment causes the yield to drop; in addition, the configuration of the solder joints on the various connector boards is different, and the fixing methods required for the core-pair welding are also different, resulting in time-consuming replacement of different fixtures. It does not meet the production efficiency.

In view of this, the creator has made great efforts to solve the above problems by focusing on the above-mentioned prior art, and has devoted himself to the application of the theory, that is, the goal of the creator's improvement.

The main purpose of the present invention is to provide a positioning fixture for a welding operation, which is provided with a tensionable clamping member for bonding a core wire positioning member for a plurality of core wires and sandwiching the core wire positioning member against the two sides of the workpiece to be welded. Each core wire is precisely positioned at each solder joint of the workpiece to be welded to improve the yield during high-frequency welding.

In order to achieve the above object, the present invention provides a positioning fixture for a welding operation, which is adapted to position a plurality of core wires on a plurality of welding points of a workpiece to be welded, the positioning fixture comprising a clamping assembly, a workpiece positioning seat and a a core positioning member; the clamping assembly includes a first clamping plate, a second clamping plate and an elastic member respectively elastically resisting the first clamping plate and the second clamping plate to be freely stretched; the workpiece positioning seat is connected to the clamping component and Located between the first clamping plate and the second clamping plate, the workpiece positioning seat has a receiving groove for the workpiece to be welded; the core positioning member comprises a first clamping block and a second clamping block, wherein the first clamping block is disposed on the first clamping block One end of the first clamping plate and having a dividing groove for the core wire to be placed, the second clamping block is disposed at one end of the second clamping plate and has a dividing groove for the core wire to be placed, and the clamping component is cored The positioning member is clamped to the two sides of the workpiece to be welded to position the core wire on the soldering point.

In one embodiment, the first clamping block is detachably connected to the first clamping plate, and the second clamping block is detachably connected to the second clamping plate.

In one embodiment, the method further includes a pivoting member and a holding member, wherein the pivoting member is a pair of plates protruding from opposite side surfaces of the first clamping plate and the second clamping plate, and each of the plates is respectively A shaft hole is opened for the grip member to pass through.

In one embodiment, the workpiece positioning seat includes a body and a shaft hole is disposed at a position corresponding to each of the sheets for the rod member to be pierced, and the pocket is located at a surface of the seat body corresponding to the direction of the core wire positioning member.

In an embodiment, wherein the dividing groove of the first clamping block and the dividing groove of the second clamping piece have a curved surface from the bottom wall to the side wall to make each dividing groove have a U shape. shape.

In one embodiment, a limiting block is protruded from the corresponding side surface of the first clamping plate and the second clamping plate, and each of the limiting blocks is respectively provided with a groove for the elastic member to be disposed therein.

In an embodiment, the elastic member is a compression spring.

Compared with the prior art, the present invention has the following effects: the first clamping block and the second clamping block of the corresponding core positioning member can be disassembled and replaced at any time according to different specifications of the workpiece to be welded, so as to save welding work time.

The detailed description and technical content of the present invention are described below with reference to the drawings, but the drawings are provided for reference and description only, and are not intended to limit the creation.

Referring to FIG. 1 to FIG. 6, the present invention provides a positioning fixture for a welding operation, which is mainly used in a high-frequency welding operation to position a plurality of core wires C at a predetermined position of a workpiece S to be welded, the workpiece to be welded S includes a body S1 and a circuit board S2 connecting the body S1, the circuit board S2 has a plurality of solder joints S21, the predetermined position is the solder joints S21; and the positioning fixture 1 of the present invention includes a clamping component 1. A workpiece positioning seat 2, a core positioning member 3 and a grip member 4.

The clamping assembly 1 includes a pivoting member 11 and a corresponding first clamping plate 12 and a second clamping plate 13 , and the pivoting member 11 is protruded from the corresponding side surfaces of the first clamping plate 12 and the second clamping plate 13 . And a pair of plates (111, 112) arranged in a crosswise manner, wherein each of the plates (111, 112) is respectively provided with a shaft hole (not shown) for the grip portion 4 to pass through, and the grip member 4 is a round rod body and One end is for the user to hold; the first clamping plate 12 and the second clamping plate 13 have a limiting block (123a, 133a) protruding from the corresponding side surface, and the limiting block (123a, 133a) is provided with a groove (1230, 1330). An elastic member 14 is disposed therein, and the elastic member 14 is a compression spring and elastically abuts the first clamping plate 12 and the second clamping plate 13 respectively to freely form the clamping assembly.

As described above, the geometrical contours of the first clamping plate 12 and the second clamping plate 13 are the same and respectively comprise a main body body (12a, 13a) and a primary plate body (12b, 13b) extending from the respective independent plate bodies (12a, 13a). The main body (12a, 13a) includes a pivoting portion (121a, 131a) and a pressure receiving portion (122a, 132a); and each of the plates (12b, 13b) includes an extending portion (121b, 131b) And a set of joints (122b, 132b), wherein the pivoting member 11 is located at the pivoting portion (121a, 131a), and the limiting block (123a, 133a) is located at the pressure receiving portion (122a, 132a) .

The workpiece positioning seat 2 is a body 21 and is located between the extending portion 121b of the first clamping plate 12 and the extending portion 131b of the second clamping plate 13. The seat body 21 is provided with an axis at each of the plates 111 of the corresponding pivoting member 11. A hole (not shown) is formed to be fixed by the piercing member 4, and a surface of the seat body 21 corresponding to the direction of the core wire retaining member 3 is provided with a recess 210 for the workpiece S to be welded to be placed therein.

The core positioning member 3 includes a first clamping block 31 and a second clamping block 32. The geometrical contours of the first clamping block 31 and the second clamping block 32 are the same and respectively comprise a set of joints (31a, 32a) and a The clamping portion (31b, 32b), the first clamping block 31 and the second clamping block 32 are connected to each of the connecting portions (31a, 32a) and respectively through a fixing member (312, 322) to be combined with the first clamping plate 12 and the second Each of the joint portions (122b, 132b) of the splint 13 is formed to be removably connected, wherein the respective joint portions (31a, 32a) of the first clamp block 31 and the second clamp block 32 and the first clamp plate 12 are respectively Each of the connecting portions (122b, 132b) of the second clamping plate 13 is provided with a plurality of connecting holes (310, 320, 1220, 1320), and the fixing members (312, 322) may be a pair of screws and are formed by locking the respective sets of the connecting holes.

As described above, the clamping portion 31b of the first clamping block 31 and the clamping portion 32b of the second clamping block 32 are provided with a boss (311, 321) on a corresponding surface, and each of the projections (311, 321) is provided with a branching concave. a groove (3110, 3210) such that each of the bosses (311, 321) forms a tooth profile, and each of the branch grooves (3110, 3210) has a curved surface from the bottom wall to the side wall to make each of the branch grooves ( 3110, 3210) is a U-shaped shape, and the number, depth, width, and the like of the groove of the branching groove (3110, 3210) are not limited herein, and the welding point S21 of the workpiece S to be welded according to different specifications is changed. Further, in the closed state, a first spacing d1 is formed between the clamping portion 31b and the clamping portion 32b, and a second spacing d2 is formed between the projection 311 and the projection 321 , wherein the first spacing d1 is The axial width is greater than the thickness of the body S1 of the workpiece S to be welded, and the second spacing d2 is smaller than the thickness of the circuit board S2 of the workpiece S to be welded.

Please refer to FIG. 7 at the same time, the positioning fixture described in the present application can apply force to the pressure receiving portions (123a, 133a) of the first clamping plate 12 and the second clamping plate 13 to separate the clamping portions (311, 321). The workpiece S to be soldered is embedded in the cavity 210 of the workpiece positioning base 2 by the body S1 and the circuit board S2 is exposed, and the core wires C are then routed from the outside to the branching groove (3110). , in each of the grooves of 3210); then releasing an external force to close the respective abutting portions (311, 321) to be clamped to the two side surfaces of the circuit board S2 and to fix the core wires C in the respective grooves and closely adhere thereto In the corresponding solder joints S21, since the second pitch d2 is smaller than the thickness of the circuit board S2 of the workpiece S to be soldered, a stable clamping can be formed and the core wires C can be accurately positioned at the solder joints at the same time. Up, and the holder 4 is placed between the two induction coil modules W of the high-frequency heating machine; the induction magnetic field is established by the two induction coil modules W to solder the core wires C to the solder joints. To complete the welding operation.

The above is only a preferred and feasible embodiment of the present invention, and thus does not limit the scope of the patent of the creation, and the equivalent structural changes that are made by using the present specification and the contents of the schema are all included in the creation. Within the scope of the rights, it is given to Chen Ming.

1‧‧‧Clamping components

11‧‧‧ pivotal parts

12‧‧‧First splint

12a‧‧‧Main body

121a‧‧‧ pivotal department

122a‧‧‧ Pressure Department

12b‧‧‧ plate body

121b‧‧‧Extension

122b‧‧‧Team

1220‧‧‧Group holes

123a‧‧‧Limited blocks

1230‧‧‧ Groove

13‧‧‧Second splint

13a‧‧‧Main body

131a‧‧‧Pivot

132a‧‧‧ Pressure Department

13b‧‧‧ plate body

131b‧‧‧Extension

132b‧‧‧Team

1320‧‧‧Group holes

133‧‧‧Limited blocks

1330‧‧‧ Groove

14‧‧‧Flexible parts

2‧‧‧Workpiece positioning seat

21‧‧‧ body

210‧‧‧ 容容

3‧‧‧core wire positioning parts

31‧‧‧First clamp

31a‧‧‧Team

31b‧‧‧Clamping

310‧‧‧ groups of holes

311‧‧‧Boss

3110‧‧‧Distribution groove

3111‧‧‧ bottom wall

32‧‧‧Second clamp

32a‧‧‧Team

32b‧‧‧

320‧‧‧Group holes

321‧‧‧Boss

3210‧‧‧Distribution groove

3211‧‧‧ bottom wall

4‧‧‧ Grip

D1‧‧‧first spacing

D2‧‧‧second spacing

C‧‧‧core

E‧‧‧Induced magnetic field

S‧‧‧ workpiece to be welded

S1‧‧‧ Ontology

S2‧‧‧ circuit board

S21‧‧‧ solder joints

W‧‧‧Induction coil module

Figure 1 is a partially exploded perspective view of the positioning fixture of the present invention.

Fig. 2 is a perspective view showing the appearance of the positioning fixture of the present invention.

Figure 3-6 is a schematic diagram of the position of the workpiece to be welded and the core wire in the positioning fixture.

FIG. 7 is a schematic view showing the state of the workpiece to be welded and the core wire in the finished positioning.

1‧‧‧Clamping components

11‧‧‧ pivotal parts

111,112‧‧‧ boards

12‧‧‧First splint

13‧‧‧Second splint

14‧‧‧Flexible parts

2‧‧‧Workpiece positioning seat

21‧‧‧ body

210‧‧‧ 容容

3‧‧‧core wire positioning parts

31‧‧‧First clamp

3110‧‧‧Distribution groove

32‧‧‧Second clamp

3210‧‧‧Distribution groove

4‧‧‧ Grip

Claims (8)

A positioning fixture for a welding operation, which is adapted to position a plurality of core wires on a plurality of welding points of a workpiece to be welded, the positioning fixture comprising: a clamping assembly comprising a first clamping plate and a second clamping plate corresponding to the configuration Separately elastically abutting an elastic member of the first clamping plate and the second clamping plate to be freely stretched; a workpiece positioning seat connecting the clamping assembly and located between the first clamping plate and the second clamping plate, the workpiece positioning The seat has a pocket for the workpiece to be welded; and a core positioning member comprising a first clamping block and a second clamping block, the first clamping block being disposed at one end of the first clamping plate and having a minute a wire groove for the core wires to be placed, the second clamping block being disposed at one end of the second clamping plate and having a dividing groove for the core wires to be placed, and the clamping component is configured by the core wire The positioning member is clamped to the two sides of the workpiece to be welded to position the core wires on the solder joint. The positioning jig for welding work according to claim 1, wherein the first clamping block is detachably connected to the first clamping plate, and the second clamping block is detachably connected to the second clamping plate. The positioning fixture for welding work according to claim 1, further comprising a pivoting member and a grip member, wherein the pivoting member is convex from a corresponding side surface of the first clamping plate and the second clamping plate A pair of plates are stretched and each of the plates is respectively provided with a shaft hole for the pier member to pass through. The positioning fixture for a welding operation according to claim 3, wherein the workpiece positioning seat comprises a body and a shaft hole is provided corresponding to each of the plate positions for the grip member to pass through, and the pocket is located The seat body corresponds to the surface in the direction of the core wire positioning member. The positioning fixture for a welding operation according to claim 1, wherein the branching groove of the first clamping block has an arcuate surface from a bottom wall to a side wall thereof to make the dividing groove have a U shape. shape. The positioning fixture for a welding operation according to claim 1, wherein the branching groove of the second clamping block has a curved surface from a bottom wall to a side wall thereof to make the dividing groove have a U shape. shape. The positioning fixture for the welding operation of claim 1, wherein the first clamping plate and the second clamping plate protrude from the corresponding side surface with a limiting block, and each of the limiting blocks is respectively provided with a groove for the elastic The piece is set in it. A positioning jig for a welding operation according to claim 1, wherein the elastic member is a compression spring.