CN205190464U - Pressure holding fixture - Google Patents

Abstract

The utility model relates to a pressurize tool, include: the first pressure-retaining block comprises a first profiling surface and a first clamping surface opposite to the first profiling surface; the first profiling surface is provided with a bulge or a groove matched with one surface of the part of the workpiece; the second pressure maintaining block comprises a second profiling surface and a second clamping surface opposite to the second clamping surface; the second profiling surface is opposite to the first profiling surface; the second profiling surface is provided with a bulge or a groove matched with the other surface of the local part of the workpiece; the first pressure-retaining block is provided with a through hole, and the through hole penetrates through the first profiling surface and the first clamping surface; the second profiling surface is provided with a protruding extending column which is sleeved with the through hole; or the first profiling surface is provided with a protruding column; the second pressurize piece is equipped with the via hole that cup joints with protruding post, and the via hole runs through second profile face and second clamping face. Above-mentioned pressurize tool carries out the pressurize to the local small range that the work piece needs the pressurize, reduces the influence to other parts of work piece, reduces the defective rate because of the pressurize process brings.

Description

Pressure holding fixture

technical field

The utility model relates to an auxiliary jig used for assembly of electronic products, in particular to a pressure-holding jig.

Background technique

In the assembly process of electronic products, after the different parts on the workpiece are glued together, they need to be kept under pressure to ensure the stability of the bond. The pressure-holding generally adopts auxiliary equipment, which is a pressure-holding fixture.

The traditional pressure-holding fixtures are used for large-scale pressure-holding. Even if the part of the workpiece that needs to be pressure-holding is only a small area, the entire workpiece is wrapped with the fixture for overall pressure-holding. After the pressure is maintained, the workpiece may have defects such as local deformation or scratches, resulting in defective or even scrapped workpieces.

Utility model content

Based on this, aiming at the above-mentioned problems, a pressure-holding jig with reduced defect rate is provided.

A pressure-holding fixture is used in cooperation with a clip to maintain pressure on a part of a workpiece, and the pressure-holding fixture includes:

The first pressure retaining block includes a first profiling surface and a first clamping surface opposite to the first profiling surface; the first profiling surface is provided with a protrusion or a groove matching a partial surface of the workpiece;

The second pressure retaining block includes a second profiling surface and a second clamping surface opposite to the second profiling surface; the second profiling surface is opposite to the first profiling surface; the second profiling surface is provided with a workpiece Partially matched protrusions or grooves on the other side;

The first pressure retaining block is provided with a via hole, and the via hole runs through the first profiling surface and the first clamping surface; the second profiling surface is provided with a protruding post socketed with the via hole;

or

The first profiling surface is provided with a protruding column; the second pressure retaining block is provided with a through hole socketed with the protruding post, and the via hole runs through the second profiling surface and the second clamping surface.

The above-mentioned pressure-holding fixture is used in conjunction with an external clamp, which provides the force required for pressure-holding for the pressure-holding fixture, and the part of the workpiece that needs to be kept under pressure is clamped between the first pressure-holding block and the second pressure-holding block , while the first pressure retaining block and the second pressure retaining block are connected through protruding posts and via holes. The first profiling surface and the second profiling surface respectively correspond to the front and back surfaces of the part of the matching workpiece, so as to ensure the accuracy of the pressure-holding range of the part of the workpiece. The first clamping surface and the second clamping surface respectively correspond to clamping ends of the clip. Through the above design, pressure can be maintained in a small local area of the workpiece that needs to be maintained, reducing the impact on other parts of the workpiece and reducing the defective rate caused by the pressure maintaining process.

In one of the embodiments, the first clamping surface is provided with a first positioning member matched with the clamping end of the clip.

In one of the embodiments, the first positioning member includes a first boss and a second boss, the first boss and the second boss are strip-shaped and parallel to each other, the first boss and the second boss are respectively A positioning post is provided for abutting against a clamping end of the clip.

In one embodiment, anti-slip stripes are uniformly distributed on the first boss and the second boss.

In one of the embodiments, the second clamping surface is provided with a second positioning member matched with the clamping end of the clip.

In one of the embodiments, the second positioning member includes four protruding points, and the four protruding points surround a positioning groove matching the clamping end of the clip.

Description of drawings

Fig. 1 is the structural representation of the utility model pressure-holding jig;

Fig. 2 is the schematic diagram of the first pressure holding block of the pressure holding fixture shown in Fig. 1;

Fig. 3 is a schematic diagram of another perspective of Fig. 2;

4 is a schematic diagram of a first pressure-holding block of the pressure-holding fixture shown in FIG. 1;

Fig. 5 is a schematic diagram of another viewing angle of Fig. 4;

Fig. 6 is the schematic diagram of the workpiece of the present embodiment;

Fig. 7 is the use status diagram 1 of the pressure holding jig of the present embodiment;

FIG. 8 is a diagram 2 of the use state of the pressure holding jig of this embodiment.

The meanings of each label in the accompanying drawings are:

10-Pressure holding fixture,;

20-the first pressure retaining block, 21-the first profiling surface, 211-the first protrusion, 22-the first clamping surface, 221-the first boss, 222-the second boss, 223-the positioning column, 23-via;

30-the second pressure retaining block, 31-the second profiling surface, 311-the second protrusion, 32-the second clamping surface, 321-the bump, 322-the positioning groove, 33-the protruding post;

40-back cover of mobile phone, 41-camera area.

detailed description

In order to be able to further understand the features, technical means and achieved specific objectives and functions of the utility model, and to analyze the advantages and spirit of the utility model, a further understanding of the utility model can be obtained through the following detailed description of the utility model in conjunction with the accompanying drawings and specific embodiments .

As shown in accompanying drawings 1 to 5 , it is a pressure holding jig 10 according to an embodiment of the present invention.

A pressure-holding jig 10 is used in conjunction with a clip to maintain pressure on a part of a workpiece, and the pressure-holding jig includes:

The first pressure maintaining block 20 includes a first profiled surface 21 and a first clamping surface 22 opposite to the first profiled surface 21 . The first profiling surface 21 is provided with a first protrusion 211 matching a partial surface of the workpiece. The first pressure maintaining block 20 is provided with a through hole 23 , and the through hole 23 runs through the first profiling surface 21 and the first clamping surface 22 . The first clamping surface 22 is provided with a first positioning member matched with the clamping end of the clip. The first positioning member includes a first boss 221 and a second boss 222, the first boss 221 and the second boss 222 are strip-shaped and parallel to each other, the first boss 221 and the second boss 222 are respectively provided with There is a positioning post 223 for abutting against a gripping end of the clip. Anti-slip stripes (not shown) are evenly distributed on the first boss 221 and the second boss 222 .

The second retaining block 30 includes a second profiled surface 31 and a second clamping surface 32 opposite to the second profiled surface 31 . The second contoured surface 31 is opposite to the first contoured surface 21 . The second profiling surface 31 is provided with a second protrusion 311 matching the other surface of the workpiece. The second profiling surface 31 is provided with a protruding post 33 socketed with the through hole 23 . The second clamping surface 32 is provided with a second positioning member (not shown) matched with the clamping end of the clip. The second positioning member includes four cylindrical protruding points 321 , and the four protruding points 321 surround a positioning groove 322 matched with the clamping end of the clip.

It should be noted that, in other embodiments, the first profiling surface 21 and the second profiling surface 31 may also be provided with grooves matching the surfaces of the pressure-holding part of the workpiece. The protruding post 33 can be disposed on the first profiled surface 21 . The through hole 23 is provided on the second pressure maintaining block 30 , and the through hole 23 runs through the second profiling surface 31 and the second clamping surface 32 .

Method of use: as shown in Figures 6 to 8, the workpiece is the back cover 40 of the mobile phone, and the part that needs to be kept under pressure is the camera area 41 as an example. First, fix the second pressure retaining block 30 on the reverse side of the back cover 40 of the mobile phone, while the second profiling surface 31 is in close contact with the reverse side of the camera area 41, and the protruding column 33 passes through the mounting hole of the camera area 41 and extends to the mobile phone The front of the back cover 40. Next, align the via holes 23 of the first pressure retaining block 20 with the protruding posts 33 and pass them together, while the first profiling surface 21 is in close contact with the front of the camera area 41 . Finally, select a clip (not shown) whose size matches the size of the pressure holding fixture 10. One clamping end of the clip abuts against the first clamping surface 22 at the positioning post 223, and the other clamping end of the clip is in contact with the positioning post 223. The second clamping surface 32 abuts against the positioning groove 322 .

The above-mentioned pressure holding fixture 10 is used in conjunction with an external clip. The clip provides the force required for pressure holding for the pressure holding fixture 10, and the part of the workpiece that needs to hold pressure is clamped by the first pressure holding block 20 and the second pressure holding block 20. between the blocks 30 , while the first pressure retaining block 20 and the second pressure retaining block 30 are connected through the protruding post 33 and the via hole 23 . The first profiling surface 21 and the second profiling surface 31 correspond to the front and back surfaces of the part of the workpiece respectively, so as to ensure the accuracy of the pressure-holding range of the part of the workpiece. The first clamping surface 22 and the second clamping surface 32 respectively correspond to clamping ends of the clip. Through the above design, pressure can be maintained in a small local area of the workpiece that needs to be maintained, reducing the impact on other parts of the workpiece and reducing the defective rate caused by the pressure maintaining process.

The various technical features of the above-mentioned embodiments can be combined arbitrarily. For the sake of concise description, all possible combinations of the various technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (6)

1. A pressure-holding fixture, which is used in conjunction with a clip to maintain pressure on a part of a workpiece, is characterized in that the pressure-holding fixture includes: The first retaining block includes a first profiling surface and a first clamping surface opposite to the first profiling surface; the first profiling surface is provided with a protrusion matching a partial surface of the workpiece or groove; The second pressure retaining block includes a second profiled surface and a second clamping surface opposite to the second profiled surface; the second profiled surface is opposite to the first profiled surface; the first profiled surface is opposite to the second profiled surface; The second profiling surface is provided with protrusions or grooves matching the other surface of the workpiece part; The first pressure retaining block is provided with a via hole, and the via hole runs through the first profiling surface and the first clamping surface; the second profiling surface is provided with a protrusion that is socketed with the via hole column; or The first profiling surface is provided with a protruding post; the second pressure retaining block is provided with a via hole socketed with the protruding post, and the via hole runs through the second profiling surface and the second clip Holding face. 2 . The pressure maintaining jig according to claim 1 , wherein the first clamping surface is provided with a first positioning piece matching the clamping end of the clip. 3 . 3. The pressure maintaining jig according to claim 2, wherein the first positioning member comprises a first boss and a second boss, both of the first boss and the second boss are Bar-shaped and parallel to each other, the first boss and the second boss are respectively provided with a positioning column for abutting against a clamping end of the clip. 4 . The pressure maintaining jig according to claim 3 , wherein anti-slip stripes are uniformly distributed on the first boss and the second boss. 5 . 5 . The pressure maintaining jig according to claim 1 , wherein the second clamping surface is provided with a second positioning member matching the clamping end of the clip. 6 . 6. The pressure-holding jig according to claim 5, wherein the second positioning member includes four protruding points, and the four protruding points are arranged to form a clamping end matched with the clip. Locating slot.