CN219224848U

CN219224848U - FPC prevents pressing and trails test fixture

Info

Publication number: CN219224848U
Application number: CN202222546785.5U
Authority: CN
Inventors: 陈国安
Original assignee: Dongguan Daysun Electronic Co Ltd
Current assignee: Dongguan Daysun Electronic Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-06-20
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to the technical field of circuit board processing, in particular to an FPC anti-crush test fixture, which comprises a driving component, an upper die holder and a lower die holder, wherein the upper die holder comprises a fixed plate, an upper die plate and a plurality of upper buffer connecting pieces, the upper die plate is provided with a first elastic area, the lower die holder comprises a mounting base, a lower die frame, a lower die plate and a plurality of lower buffer connecting pieces, the lower die plate is provided with a second elastic area, and a plurality of probes are mounted in the second elastic area.

Description

FPC prevents pressing and trails test fixture

Technical Field

The utility model relates to the technical field of circuit board processing, in particular to an FPC anti-crush test fixture.

Background

In the FPC manufacturing process, the open circuit needs to be tested, the FPC product is fixed by the upper plate and the lower plate in the conventional test fixture, the FPC product is tested through probe movement, the FPC product is very easy to crush due to rigid contact or due to foreign matters, the crush injury caused by the foreign matters is reduced, the detection cannot be identified, and then personnel are required to carry out CCD detection, so that the detection cost is high, and the test efficiency is low.

Disclosure of Invention

In order to solve the problems, the utility model provides the FPC crush injury prevention test fixture, which solves the problem that the existing test fixture cannot identify crush injury products, can be used for high-efficiency test, and does not need to detect crush injury.

The technical scheme adopted by the utility model is as follows:

the FPC crush injury prevention testing jig comprises a driving assembly, an upper die holder and a lower die holder, wherein the driving assembly is connected with the upper die holder and used for driving the upper die holder to be matched with the lower die holder for product testing;

the upper die holder comprises a fixed plate, an upper die plate and a plurality of upper buffer connecting pieces, wherein the fixed plate is connected with the upper die plate through the plurality of upper buffer connecting pieces, and a first elastic area is arranged on one side, away from the fixed plate, of the upper die plate;

the lower die holder comprises a mounting base, a lower die frame, a lower die plate and a plurality of lower buffer connecting pieces, wherein the lower die frame is mounted on the mounting base, the lower die plate is connected with the lower die frame through a plurality of lower buffer connecting pieces, the lower die plate is far away from one side of the lower die frame, a second elastic area is arranged on the lower die plate, and a plurality of probes are mounted in the second elastic area.

Further, the device also comprises a blowing component, wherein the blowing component is arranged close to the upper die holder and the lower die holder and is used for blowing away foreign matters.

Further, the purging component is provided with an air pressure pipe, a plurality of air pressure nozzles and an air switch;

the air pressure nozzles are respectively communicated with the air pressure pipe, and the spraying directions of the air pressure nozzles are V-shaped;

the pneumatic switch is connected with the air pressure pipe and used for controlling the air pressure nozzle to spray air.

Further, the purging component is provided with a group which is respectively arranged at the left side and the right side of the upper die holder and the lower die holder.

Further, the upper and lower cushion links are provided as spring pads, respectively.

Further, the first elastic area and the second elastic area are respectively provided with an elastic foam layer with the thickness of 0.15-0.25.

Further, the probe is configured as a stationary probe.

The beneficial effects of the utility model are as follows:

the utility model comprises a driving component, an upper die holder and a lower die holder, wherein the upper die holder comprises a fixed plate, an upper die plate and a plurality of upper buffer connecting pieces, the upper die plate is provided with a first elastic area, the lower die holder comprises a mounting base, a lower die frame, a lower die plate and a plurality of lower buffer connecting pieces, the lower die plate is provided with a second elastic area, and a plurality of probes are mounted in the second elastic area.

Drawings

FIG. 1 is a schematic diagram of the structure of some embodiments of the present application;

reference numerals illustrate: the device comprises an upper die holder 1, a fixed plate 11, an upper die plate 12, a first elastic area 121, an upper buffer connecting piece 13, a lower die holder 2, a mounting base 21, a lower die frame 22, a lower die plate 23, a second elastic area 231, a probe 232, a lower buffer connecting piece 24, a purging component 3, an air pressure pipe 31 and an air pressure nozzle 32.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be mechanically coupled, directly coupled, or indirectly coupled via an intermediate medium. 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.

As shown in fig. 1, the FPC crush injury prevention test fixture according to the present embodiment includes a driving component (conventional components in the prior art, not shown in the drawing), an upper die holder 1, and a lower die holder 2, where the driving component is connected to the upper die holder 1, and is used to drive the upper die holder 1 and the lower die holder 2 to mold for product testing;

the upper die holder 1 comprises a fixed plate 11, an upper die plate 12 and a plurality of upper buffer connectors 13, wherein the fixed plate 11 and the upper die plate 12 are connected through the plurality of upper buffer connectors 13, and a first elastic area 121 is arranged on one side, away from the fixed plate 11, of the upper die plate 12;

the lower die holder 2 comprises a mounting base 21, a lower die holder 22, a lower die plate 23 and a plurality of lower buffer connectors 24, wherein the lower die holder 22 is mounted on the mounting base 21, the lower die plate 23 is connected with the lower die holder 22 through the plurality of lower buffer connectors 24, a second elastic area 231 is arranged on one side, away from the lower die holder 22, of the lower die plate 23, and a plurality of probes 232 are mounted on the second elastic area 231.

The embodiment has simple structure and reasonable design, the buffer structures are respectively arranged on the upper die holder 1 and the lower die holder 2, so that the upper die holder 1 and the lower die holder 2 have a buffer effect in die assembly, products cannot be directly crushed, meanwhile, the elastic areas are arranged on the upper die plate 12 and the lower die plate 23, the products can be prevented from being damaged due to foreign matters, and the products can be effectively prevented from being crushed through double protection.

Specifically, in this embodiment, adopt buffer connection spare to connect upper die base 1 and die holder 2 respectively, can slow down the impact of compound die in-process, simultaneously through setting up the elasticity district, can provide buffering and dodge the space, when having foreign matter such as granule to exist, can cushion the dual buffering of connection structure and elasticity district, effectively avoid the pressure to hinder the product in the test process.

In some embodiments, the device further comprises a blowing component 3, wherein the blowing component 3 is arranged near the upper die holder 1 and the lower die holder 2 and is used for blowing away foreign matters.

Specifically, the purge component 3 is provided with an air pressure pipe 31, a plurality of air pressure nozzles 32 and an air switch;

the air pressure nozzles 32 are respectively communicated with the air pressure pipes 31, and the spraying directions of the air pressure nozzles 32 are V-shaped, see fig. 1, and are specifically V-shaped rotated 90 degrees anticlockwise;

the pneumatic switch is connected with the pneumatic tube 31 for controlling the pneumatic nozzle 32 to spray gas.

More specifically, the purging component 3 is provided with a group, which is respectively arranged at the left side and the right side of the upper die holder 1 and the lower die holder 2.

In this embodiment, by arranging the purge component 3, the pneumatic switch can be triggered when the mold is separated each time, the pneumatic nozzle 32 is controlled to spray out air flow, and the foreign matters on the upper mold plate 12 and the lower mold plate 23 are removed by the pneumatic air, so that the product test crush injury caused by the foreign matters in the mold closing test process is reduced.

Specifically, in the present embodiment, 10 air pressure nozzles 32 may be provided and divided into 2 groups, and foreign matter removal on the upper die plate 12 and the lower die plate 23 is performed, respectively, to ensure a clear effect.

In some embodiments, the upper and

lower cushion links

13 and 24 are each provided as a spring pad.

In the embodiment, the buffering is specifically shown in the process of closing the upper and lower die holders 2 by a spring pad, and the structure is simple and the buffering effect is good.

In some embodiments, the first elastic area 121 and the second elastic area 231 are respectively provided with an elastic foam layer with a thickness of 0.15-0.25, and in this embodiment, by providing the elastic foam layer, a good buffering effect can be provided, so that the product testing process is prevented from being crushed due to the existence of foreign matters.

In some embodiments, the probe 232 is set to be a fixed probe, in this embodiment, by setting the probe 232 to be a fixed probe, compared with a spring needle in the prior art, the spring needle is easy to be damaged in the long-term telescoping process, so that the erroneous judgment is caused by the functional failure, and in this embodiment, the service life can be effectively prolonged and the accuracy of the test can be effectively improved by setting the probe to be a fixed probe.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The FPC crush injury prevention test fixture is characterized by comprising a driving assembly, an upper die holder and a lower die holder, wherein the driving assembly is connected with the upper die holder and used for driving the upper die holder and the lower die holder to be matched with each other for product test;

2. The FPC crush injury prevention test fixture of claim 1, further comprising a purge assembly disposed proximate to said upper die holder and said lower die holder for purging away foreign matter.

3. The FPC crush injury prevention test jig according to claim 2, wherein the purge assembly is provided with an air pressure pipe, a plurality of air pressure nozzles and a pneumatic switch;

4. The FPC crush injury prevention test jig according to claim 2, wherein the purge assembly is provided with a set of purge assemblies respectively provided on left and right sides of the upper die holder and the lower die holder.

5. The FPC crush injury prevention test fixture according to claim 1, wherein the upper and lower buffer connectors are provided as spring pads, respectively.

6. The FPC crush injury prevention test jig according to claim 1, wherein the first elastic region and the second elastic region are respectively provided with an elastic foam layer having a thickness of 0.15-0.25.

7. The FPC crush injury test fixture of claim 1, wherein the probes are provided as fixed probes.