CN215116402U

CN215116402U - Electrical characteristic test counterpoint pressure head with crimping adhesive tape

Info

Publication number: CN215116402U
Application number: CN202121235597.XU
Authority: CN
Inventors: 张漫丽
Original assignee: Hefei Meiming Electronic Technology Co ltd
Current assignee: Hefei Meiming Electronic Technology Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-10
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses an electrical characteristic test counterpoint pressure head with crimping adhesive tape, including can dismantling first briquetting and the second briquetting of connection formation test counterpoint pressure head, form the clearance that is used for location installation FPC between second briquetting rear portion and the apron, and the FPC upper end extends to first briquetting upper portion, be provided with the adhesive tape that is used for crimping FPC upper end on the first briquetting. The utility model discloses a set up the adhesive tape that has certain hardness on testing the counterpoint pressure head, not only can be fine crimp FPC, but also can effectively avoid the wearing and tearing of adhesive tape, avoid the damage to product and FPC; meanwhile, transparent acrylic glue is adopted, the transmittance of the jig is increased, the FPC and the relevant PIN and Mark of the product can be clearly and effectively irradiated and identified through the lens of the equipment, the FPC and the relevant PIN and Mark of the product can be accurately aligned, and the test yield is further improved.

Description

Electrical characteristic test counterpoint pressure head with crimping adhesive tape

Technical Field

The utility model relates to a PCB electrical test equipment field specifically is an electrical characteristic test counterpoint pressure head with crimping adhesive tape.

Background

When the display panel is detected in the prior art, a mode that a pressure head is pressed against the display panel is mainly adopted for testing, and a control signal is generally transmitted into the display panel through an external Circuit such as a Flexible Printed Circuit (FPC), so that the Flexible Circuit board is bound (bound) with the display panel, that is, a PIN (i.e., a gold finger) on the Flexible Circuit board is bound with a corresponding metal contact (PAD point) on the display panel, so that the signal is transmitted into the display panel from the Flexible Circuit board. And the following defects exist in the process of crimping the FPC onto the test pressure head through the pressing block: the pressing block is easy to wear, and scraps generated by wear can damage products and the FPC, so that the defects of short circuit, unstable test and the like can be caused; meanwhile, the non-transparent pressing block enables the light transmittance of the whole testing pressure head to be poor, so that the FPC and the relevant PIN and Mark of the product cannot be clearly and effectively irradiated and identified through the lens of the device, the positioning accuracy is poor, and the testing yield is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrical characteristic test counterpoint pressure head with crimping adhesive tape to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an electrical characteristic test counterpoint pressure head with crimping adhesive tape, is including dismantling first briquetting and the second briquetting of connection, form the clearance that is used for location installation FPC between second briquetting rear portion and the apron, and the FPC upper end extends to first briquetting upper portion, be provided with the adhesive tape that is used for crimping FPC upper end on the first briquetting.

Preferably, the adhesive tape is arranged in a groove formed in the upper portion of the first pressing block through an adhesive tape pressing block, a 100-degree and 120-degree oblique angle is formed between the adhesive tape and the FPC pressing connection portion, and a sharp corner is arranged on the upper portion of the adhesive tape.

Preferably, the distance between the adhesive tape and the FPC crimping part and the outer side outline of the FPC effective PIN is 0.1-1 mm.

Preferably, all set up the logical groove that is used for test equipment to read FPCmark on adhesive tape and the adhesive tape briquetting.

Preferably, the adhesive tape is provided with a position avoiding groove 8 for avoiding contact with other parts of the product and the FPC.

Preferably, the adhesive tape is an HA transparent high-strength adhesive tape with the Shore hardness of 85-90.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up the adhesive tape that has certain hardness on testing the counterpoint pressure head, not only can be fine crimp FPC, but also can effectively avoid the wearing and tearing of adhesive tape, avoid the damage to product and FPC; meanwhile, the transparent acrylic adhesive is adopted, so that the transmittance of the jig is increased, the FPC and the relevant PIN and Mark of the product can be clearly and effectively irradiated and identified by the lens of the equipment, the FPC and the relevant PIN and Mark of the product can be accurately aligned, and the test yield is improved; and, through set up the closed angle structure on the adhesive tape, effectual product and the contact of other parts of FPC are avoided, reduce the unnecessary atress of product and FPC, not only improve FPC's life, improved the yield of product moreover.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is an enlarged schematic view of the structure of the area a in fig. 3.

In the figure: 1 first pressing block, 2 second pressing blocks, 3 cover plates, 4FPC, 5 adhesive tapes, 51 sharp corners, 6 adhesive tape pressing blocks, 7 through grooves and 8 avoiding grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

an electrical characteristic test alignment pressure head with a crimping adhesive tape comprises a first pressing block 1 and a second pressing block 2 which are detachably connected to form the test alignment pressure head, wherein the second pressing block 2 is installed on the first pressing block 1 through inner hexagonal cylindrical screws on two sides, a gap for positioning and installing an FPC4 is formed between the rear part of the second pressing block 2 and a cover plate 3, an FPC4 is positioned and installed in the gap, the upper end of the FPC4 extends to the upper part of the first pressing block 1, and a positioning pin is arranged between the rear part of the second pressing block 2 and the cover plate 3, so that when the FPC4 is installed in the gap between the second pressing block 2 and the cover plate 3, accurate positioning can be realized; a groove is formed in the upper portion of the first pressing block 1, the upper end of the FPC4 extends into the groove, the adhesive tape 5 is arranged in the groove through the adhesive tape pressing block 6, the adhesive tape 5 is an HA transparent high-strength adhesive tape with the Shore hardness of 85-90, and the adhesive tape is arranged to be transparent and HAs a certain hardness, so that on one hand, abrasion of the adhesive tape is effectively avoided, and damage to products and the FPC are avoided; on the other hand, the transparent acrylic adhesive is adopted, so that the transmittance of the jig is increased, the FPC and the relevant PIN and Mark of the product can be clearly and effectively irradiated and identified by the lens of the equipment, the FPC and the relevant PIN and Mark of the product can be accurately aligned, and the test yield is improved; the adhesive tape 5 and the FPC4 are in a compression joint to form an oblique angle of 100-120 degrees, a sharp corner 51 is arranged at the upper part of the adhesive tape 5, the oblique angle can ensure that the adhesive tape 5 and the FPC4 are in good compression joint, meanwhile, the oblique angle and the side clearance groove 8 form a height difference, and the sharp corner is in a linear type and is in contact with a product; by the aid of the design mode, on the premise that test crimping is met, contact with a product and other parts of the FPC can be effectively avoided, redundant stress of the product and the FPC4 is reduced, the service life of the FPC4 is prolonged, and the yield of the product is improved; the distance between the adhesive tape 5 and the FPC4 pressing part and the outer side outline of the FPC4 effective PIN is 0.1-1mm, so that the FPC4 can be well pressed by the adhesive tape 5, the PIN is guaranteed to be stably pressed and stressed, and meanwhile, the adhesive tape 5 can be prevented from shielding the PIN in the pressing process; the adhesive tape 5 and the adhesive tape pressing block 6 are respectively provided with a through groove for reading the FPC mark by the testing equipment, so that the lens of the testing equipment can conveniently irradiate and read the FPC mark, the equipment can automatically recognize and accurately align, and the testing accuracy is ensured; the adhesive tape 5 is provided with a avoiding groove 8 for avoiding contact with the product and other parts of the FPC 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electrical characteristics tests counterpoint pressure head with crimping adhesive tape which characterized in that: including first briquetting (1) and second briquetting (2) that can dismantle the connection, form the clearance that is used for location installation FPC (4) between second briquetting (2) rear portion and apron (3), and FPC (4) upper end extends to first briquetting (1) upper portion, be provided with adhesive tape (5) that are used for crimping FPC (4) upper end on first briquetting (1).

2. The electrical characteristic test alignment indenter with a crimp adhesive tape of claim 1, wherein: the adhesive tape (5) is arranged in a groove formed in the upper portion of the first pressing block (1) through an adhesive tape pressing block (6), a 100-degree and 120-degree oblique angle is formed between the adhesive tape (5) and the FPC (4) in a pressing connection portion, and a sharp corner (51) is arranged on the upper portion of the adhesive tape (5).

3. The electrical characteristic test alignment indenter with a crimping rubber strip of claim 2, wherein: the distance between the pressing part of the adhesive tape (5) and the FPC (4) and the outer side contour line of the effective PIN of the FPC (4) is 0.1-1 mm.

4. The electrical characteristic test alignment indenter with a crimp adhesive tape of claim 1, wherein: and the adhesive tape (5) and the adhesive tape pressing block (6) are provided with through grooves for reading FPCmark by testing equipment.

5. The electrical characteristic test alignment indenter with a crimping rubber strip of claim 4, wherein: the adhesive tape (5) is provided with a position avoiding groove (8) for avoiding contact with other parts of the product and the FPC (4).

6. The electrical property test alignment indenter with a crimp adhesive tape of any one of claims 1-5, wherein: the adhesive tape (5) is an HA transparent high-strength adhesive tape with the Shore hardness of 85-90.