CN212111499U

CN212111499U - Optical flat needle jig

Info

Publication number: CN212111499U
Application number: CN202020270043.2U
Authority: CN
Inventors: 陈春霞
Original assignee: Huizhou Qijia Electronics Co ltd
Current assignee: Huizhou Qijia Electronics Co ltd
Priority date: 2020-03-07
Filing date: 2020-03-07
Publication date: 2020-12-08
Anticipated expiration: 2030-03-07

Abstract

The utility model particularly relates to an optical flat needle jig, which belongs to the field of electronic test of circuit boards and comprises a dial panel and a dial bottom plate arranged at the lower end of the dial panel, wherein a dial inner backing plate and a probe guide plate are additionally arranged between the dial panel and the dial bottom plate, and a probe and a dial pillar are inserted on the dial inner backing plate and the probe guide plate; a probe flattening position is arranged on the needle dial bottom plate in a matched manner with the probe; furthermore, the probe flattening position arranged on the needle dial bottom plate and matched with the probe can control the probe outlet height; the inner dial base plate and the probe guide plate are additionally arranged between the dial panel and the dial bottom plate, so that the slope of the composite jig is smaller, the vertical stress is more uniform, and the probe is not easy to bend; the stability is higher, and the test yield is increased.

Description

Optical flat needle jig

Technical Field

The utility model relates to a circuit board electronic test field specifically is an optics flat needle tool.

Background

For the circuit board to be brushed, the commonly used test fixture is a fixture designed by taking a PCB as a model and used for testing the electrical performance open and short circuit, and the fixture comprises a single-sided fixture and a double-sided fixture, wherein the fixture consists of a dial and a base. The probe on the needle dial directly determines the stability and efficiency of the electrical performance test; in actual production, most of the PCB boards are manufactured in batch and tested in batch, so that it is necessary to ensure that the probes on the dial are always in a good state, and once the probes fail, especially intermittently fail, the quality accident caused by the test will result, and a large batch of products are often required to be recovered for retesting.

For the open-short circuit test fixture with the traditional structure, the structure of the needle dial is generally divided into a 5-layer structure, a 7-layer structure or a structure with less layers, and each layer is supported by a gasket on the structure, so that the stability and the flatness of the needle dial are poor; the fixing of the probe on the dial is firm through the sponge cloth, and the sponge cloth is easy to fall slag, short in service life, uneven in sticking and the like, so that the probe is uneven in needle outlet height.

Therefore to the above problem, the utility model provides an optics flat needle tool.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optics flat needle tool to solve the problem that proposes among the above-mentioned background art.

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

an optical flat needle jig comprises a dial panel and a dial bottom plate arranged at the lower end of the dial panel, wherein a dial inner backing plate and a probe guide plate are additionally arranged between the dial panel and the dial bottom plate, and a probe and a dial support are inserted in the dial inner backing plate and the probe guide plate in a penetrating manner;

a probe flattening position is arranged on the needle dial bottom plate in a matched manner with the probe;

furthermore, the probe flattening position arranged on the needle dial bottom plate and matched with the probe can control the probe outlet height; the inner dial base plate and the probe guide plate are additionally arranged between the dial panel and the dial bottom plate, so that the slope of the composite jig is smaller, the vertical stress is more uniform, and the probe is not easy to bend; the stability is higher, and the test yield is increased.

The utility model discloses further scheme: the needle dial inner backing plate and the probe guide plate are both provided with a plurality of needle dial inner backing plates and distributed in a crossed array.

The utility model discloses further scheme again: the needle dial inner backing plate and the probe guide plate are provided with screws and needle dial alignment pins.

The utility model discloses further scheme again: and the dial panel is provided with optical points.

The utility model discloses further scheme again: the needle dial bottom plate bottom is fixed with the tool base, and is provided with aluminum plate on keeping away from the tool base of needle dial bottom plate one side, and the last interlude of aluminum plate has switching PIN, and is connected with the enameled wire on the switching PIN, and the enameled wire other end is connected on the spring, and spring coupling is in the probe bottom.

The utility model discloses further scheme again: the jig base and the dial bottom plate are fixed in an aligning mode through the aligning pin.

The utility model discloses further scheme again: and a plurality of base supporting columns are fixed between the jig base and the aluminum plate.

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

the utility model discloses an optics flat needle tool, the probe that the cooperation probe was provided on the dial bottom plate flattens the position and can control the probe height of going out of the needle; the inner dial base plate and the probe guide plate are additionally arranged between the dial panel and the dial bottom plate, so that the slope of the composite jig is smaller, the vertical stress is more uniform, and the probe is not easy to bend; the stability is higher, and the test yield is increased; the optical flat needle jig can realize automatic correction and alignment of the jig, reduce labor, save cost and increase stability.

Drawings

Fig. 1 is a schematic structural view of the optical flat needle jig of the present invention.

In the figure: 1-a probe; 2-a screw; 3-dial support; 4-dial alignment pins; 5-an optical spot; 6-dial panel; 7-a needle dial inner backing plate; 8-a probe guide plate; 9-dial bottom plate; 10-flattening the probe; 11-alignment pins; 12-a jig base; 13-base support columns; 14-enameled wire; 15-switching PIN; 16-an aluminum plate; 17-spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

As shown in fig. 1 in detail, an optical flat needle jig includes a dial face plate 6 and a dial bottom plate 9 disposed at a lower end of the dial face plate 6, wherein a dial inner pad 7 and a probe guide plate 8 are additionally disposed between the dial face plate 6 and the dial bottom plate 9, and a probe 1 and a dial pillar 3 are inserted through the dial inner pad 7 and the probe guide plate 8;

a probe flattening position 10 is arranged on the dial bottom plate 9 in a manner of being matched with the probe 1;

furthermore, a probe flattening position 10 arranged on the needle dial bottom plate 9 and matched with the probe 1 can control the probe outlet height; the dial inner backing plate 7 and the probe guide plate 8 are additionally arranged between the dial panel 6 and the dial bottom plate 9, the slope of the composite jig is smaller, the vertical stress is more uniform, and the probe is not easy to bend; stability is higher, has increased the test yield, and optics flat needle tool can realize that the tool automatic correction is counterpointed, reduces the manual work, practices thrift the cost, increases stability.

For further explanation, the following are specific:

the needle dial inner backing plate 7 and the probe guide plate 8 are both provided with a plurality of cross arrays.

The dial inner backing plate 7 and the probe guide plate 8 are provided with screws 2 and dial alignment pins 4.

The dial face 6 is provided with optical dots 5.

Example 2

The embodiment of the present invention is further defined on the basis of embodiment 1.

Referring to fig. 1, a jig base 12 is fixed at the bottom of the dial bottom plate 9, an aluminum plate 16 is disposed on the jig base 12 at a side away from the dial bottom plate 9, an adapting PIN15 is inserted through the aluminum plate 16, an enameled wire 14 is connected to the adapting PIN15, the other end of the enameled wire 14 is connected to a spring 17, and the spring 17 is connected to the bottom of the probe 1.

The jig base 12 and the dial bottom plate 9 are fixed in an aligning way through an aligning pin 11.

A plurality of base support columns 13 are fixed between the jig base 12 and the aluminum plate 16.

The utility model discloses a theory of operation is: the utility model discloses an optical flat needle tool, a probe flattening position 10 arranged on a needle dial bottom plate 9 and matched with a probe 1 can control the height of the probe; the dial inner backing plate 7 and the probe guide plate 8 are additionally arranged between the dial panel 6 and the dial bottom plate 9, the slope of the composite jig is smaller, the vertical stress is more uniform, and the probe is not easy to bend; the stability is higher, and the test yield is increased.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An optical flat needle jig comprises a dial panel (6) and a dial bottom plate (9) arranged at the lower end of the dial panel (6), and is characterized in that a dial inner backing plate (7) and a probe guide plate (8) are additionally arranged between the dial panel (6) and the dial bottom plate (9), and a probe (1) and a dial pillar (3) are inserted in the dial inner backing plate (7) and the probe guide plate (8);

and a probe flattening position (10) is arranged on the dial bottom plate (9) in a manner of being matched with the probe (1).

2. The optical flat needle jig according to claim 1, characterized in that the needle dial inner backing plate (7) and the probe guiding plate (8) are provided in plurality and distributed in a cross array.

3. An optical flat needle jig according to claim 1 or 2, characterized in that a screw (2) and a dial alignment pin (4) are provided in the dial inner pad (7) and the probe guide plate (8).

4. An optical flat needle jig according to claim 1 characterized in that the dial face plate (6) is provided with optical dots (5).

5. The optical flat needle jig is characterized in that a jig base (12) is fixed at the bottom of the dial bottom plate (9), an aluminum plate (16) is arranged on the jig base (12) on the side far away from the dial bottom plate (9), a switching PIN (15) is inserted into the aluminum plate (16), an enameled wire (14) is connected onto the switching PIN (15), the other end of the enameled wire (14) is connected onto a spring (17), and the spring (17) is connected to the bottom of the probe (1).

6. The optical flat needle jig according to claim 5, characterized in that the jig base (12) and the dial base plate (9) are aligned and fixed by an alignment pin (11).

7. An optical flat needle jig according to claim 5, characterized in that a plurality of base support columns (13) are fixed between the jig base (12) and the aluminum plate (16).