CN209979799U

CN209979799U - PCB test fixture micromatic setting

Info

Publication number: CN209979799U
Application number: CN201920745189.5U
Authority: CN
Inventors: 邱敏; 郑银非; 杨志勇; 张忠赞
Original assignee: Huizhou Sunking Circuits Electronic Co Ltd
Current assignee: Huizhou Sunking Circuits Electronic Co Ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-01-21
Anticipated expiration: 2029-05-23

Abstract

The utility model discloses a PCB test fixture micromatic setting, including test needle bed mounting fixture and needle bed buckle mechanism, the upper surface inboard of test needle bed mounting fixture is provided with PCB board test needle bed, needle bed buckle mechanism is located test needle bed mounting fixture's the left and right sides middle part, the draw-in groove has been seted up to the inside of fixed test needle bed iron plate, and the internally mounted of draw-in groove has the connection lug, the marginal fixed mounting of test needle bed mounting fixture has the fine setting gear. The PCB test fixture fine-adjustment device can enable the test needle bed fixing clamp to be connected with the PCB test needle bed through mutual matching between the connecting lug and the fixed test needle bed iron blocks, and due to the fact that the connecting lug and the fixed test needle bed iron blocks are magnetically adsorbed, flexible disassembly and assembly performance is achieved between the test needle bed fixing clamp and the PCB test needle bed in the device, and the phenomenon that the PCB is not reported to be waste in an offset test can be effectively reduced through the arrangement of the fine-adjustment gear.

Description

PCB test fixture micromatic setting

Technical Field

The utility model relates to a PCB test equipment technical field specifically is a PCB test fixture micromatic setting.

Background

The PCB is called a Printed Circuit Board (PCB) which is also called a printed circuit board and is an important electronic component, is a support body of the electronic component, is a carrier for electrical connection of the electronic component, and needs to be tested by a jig after being produced.

The existing test rack is high in difficulty and low in production efficiency when testing a deflection plate, a lot of tests cannot lead to scrapping exceeding the standard, and a lot of resources are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB test fixture micromatic setting to it is big to provide general test rack degree of difficulty when testing the deflector in the above-mentioned background art to solve, and production efficiency is low, and a lot of tests nevertheless result in scrapping and exceed standard, cause the problem of a large amount of wastes of resource.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PCB test fixture micromatic setting, includes test needle bed mounting fixture and needle bed buckle mechanism, the upper surface inboard of test needle bed mounting fixture is provided with PCB board test needle bed, needle bed buckle mechanism is located test needle bed mounting fixture's the left and right sides middle part, and needle bed buckle mechanism includes fixed test needle bed iron plate, draw-in groove and connection lug, the draw-in groove has been seted up to the inside of fixed test needle bed iron plate, and the internally mounted of draw-in groove has the connection lug, the marginal fixed mounting of test needle bed mounting fixture has the fine setting gear.

Preferably, the two needle bed buckling mechanisms are arranged, and the two needle bed buckling mechanisms are symmetrical with respect to a vertical central line of the test needle bed fixing clamp.

Preferably, the lower surface of the fixed test needle bed iron block is welded with the test needle bed fixing clamp, and the upper surface of the test needle bed fixing clamp is attached to the lower surface of the PCB test needle bed.

Preferably, the shape of the clamping groove is a concave structure, and the inner size of the clamping groove is matched with the outer size of the connecting bump.

Preferably, the fixed test needle bed iron block is connected with the PCB test needle bed through the clamping groove and the connecting lug, and the connecting lug is made of a magnet.

Preferably, the number of the fine adjustment gears is two, and the maximum offset distance of the fine adjustment gears is 0.15 MM.

Compared with the prior art, the beneficial effects of the utility model are that: the needle bed fixing clamp in the PCB test jig fine adjustment device provides upward supporting force for the PCB test needle bed, and the position of the PCB test needle bed is fixed through the needle bed buckling mechanism, so that the PCB test needle bed is stably placed on the needle bed fixing clamp, the PCB test needle bed is prevented from generating displacement in the using process of the device, and the accuracy of a test result is improved;

the test needle bed fixing clamp can be connected with the PCB test needle bed through the mutual matching of the connecting lug and the fixed test needle bed iron blocks, and the connecting lug and the fixed test needle bed iron blocks are magnetically adsorbed, so that the test needle bed fixing clamp and the PCB test needle bed in the device have flexible disassembly and assembly;

the upper end edge of the test needle bed fixing clamp and the right side edge of the test needle bed fixing clamp are both provided with two fine adjustment gears, the maximum offset distance of the fine adjustment gears is 0.15MM, and the phenomenon that PCB waste is not reported through an offset test can be effectively reduced through the arrangement of the fine adjustment gears.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the slot and the connection bump of the present invention;

fig. 3 is a schematic view of the fine adjustment gear structure of the present invention.

In the figure: 1. testing a needle bed fixing clamp; 2. testing a needle bed of the PCB; 3. a needle bed buckle mechanism; 4. fixing the test needle bed iron block; 5. a card slot; 6. a connection bump; 7. and (5) finely adjusting the gear.

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. 1-3, the present invention provides a technical solution: a PCB test fixture fine-tuning device comprises a test needle bed fixing clamp 1 and a needle bed buckling mechanism 3, a PCB test needle bed 2 is arranged on the inner side of the upper surface of the test needle bed fixing clamp 1, the needle bed buckling mechanism 3 is positioned in the middle of the left side and the right side of the test needle bed fixing clamp 1, the needle bed buckling mechanism 3 comprises a fixed test needle bed iron block 4, a clamping groove 5 and a connecting lug 6, the two needle bed buckling mechanisms 3 are arranged, the needle bed buckling mechanisms 3 are symmetrical with respect to the vertical central line of the test needle bed fixing clamp 1, the test needle bed fixing clamp 1 provides upward supporting force for the PCB test needle bed 2, then the position of the PCB test needle bed 2 is fixed through the needle bed buckling mechanism 3, the PCB test needle bed 2 is stably placed on the test needle bed fixing clamp 1, and displacement of the PCB test needle bed 2 in the use process of the device is avoided, the accuracy of the test result is improved;

the inner part of a fixed test needle bed iron block 4 is provided with a clamping groove 5, the inner part of the clamping groove 5 is provided with a connecting lug 6, the lower surface of the fixed test needle bed iron block 4 is welded with a test needle bed fixing clamp 1, the upper surface of the test needle bed fixing clamp 1 is attached to the lower surface of a PCB test needle bed 2, because the fixed test needle bed iron block 4 and the test needle bed fixing clamp 1 are integrally installed, and the connecting lug 6 and the PCB test needle bed 2 are integrally installed, the test needle bed fixing clamp 1 can be connected with the PCB test needle bed 2 through the mutual matching between the connecting lug 6 and the fixed test needle bed iron block 4, the shape of the clamping groove 5 is arranged to be a concave structure, the inner size of the clamping groove 5 is matched with the outer size of the connecting lug 6, the PCB test needle bed 2 is placed downwards, so that the connecting lugs 6 on the left side and the right side of the PCB test needle bed 2 penetrate through the inner part, the fixed test needle bed iron block 4 is connected with the PCB test needle bed 2 through the clamping groove 5 and the connecting lug 6, the connecting lug 6 is made of a magnet, and the connecting lug 6 and the fixed test needle bed iron block 4 are magnetically adsorbed, so that the flexible assembly and disassembly performance is realized between the test needle bed fixing clamp 1 and the PCB test needle bed 2 in the device;

the edge of the test needle bed fixing clamp 1 is fixedly provided with two fine adjustment gears 7, the maximum offset distance of the fine adjustment gears 7 is 0.15MM, the fine adjustment gears 7 are arranged on the upper end edge of the test needle bed fixing clamp 1 and the right side edge of the test needle bed fixing clamp 1, and the phenomenon that a PCB (printed circuit board) is not subjected to offset test and is wasted can be effectively reduced through the arrangement of the fine adjustment gears 7.

The working principle is as follows: when the PCB test fixture fine adjustment device is used, firstly, a test needle bed fixing clamp 1 and a PCB test needle bed 2 are assembled, the test needle bed fixing clamp 1 provides upward supporting force for the PCB test needle bed 2, then, the position of the PCB test needle bed 2 is fixed through a needle bed buckle mechanism 3, so that the PCB test needle bed 2 is stably placed on the test needle bed fixing clamp 1, the PCB test needle bed 2 is placed downwards, connecting convex blocks 6 on the left side and the right side of the PCB test needle bed 2 penetrate through the inside of a clamping groove 5, a fixed test needle bed iron block 4 is connected with the PCB test needle bed 2 through the clamping groove 5 and the connecting convex blocks 6, the connecting convex blocks 6 are made of magnets, the connecting convex blocks 6 and the fixed test needle bed iron block 4 are magnetically adsorbed, and the fixed test needle bed iron block 4 and the test needle bed fixing clamp 1 are integrally installed, and the connecting lug 6 and the PCB testing needle bed 2 are integrally installed, so that the testing needle bed fixing clamp 1 and the PCB testing needle bed 2 can be connected through the mutual matching of the connecting lug 6 and the fixed testing needle bed iron block 4, the upper end edge of the testing needle bed fixing clamp 1 and the right side edge of the testing needle bed fixing clamp 1 are both provided with the fine adjustment gear 7, the phenomenon that the PCB is wasted due to the fact that deviation testing is not caused can be effectively reduced through the arrangement of the fine adjustment gear 7, and the PCB testing jig fine adjustment device is based on the working principle.

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 a PCB test fixture micromatic setting, includes test needle bed mounting fixture (1) and needle bed buckle mechanism (3), its characterized in that: the inner side of the upper surface of the test needle bed fixing clamp (1) is provided with a PCB (printed circuit board) test needle bed (2), the needle bed buckle mechanism (3) is located in the middle of the left side and the right side of the test needle bed fixing clamp (1), the needle bed buckle mechanism (3) comprises a fixed test needle bed iron block (4), a clamping groove (5) and a connecting lug (6), the clamping groove (5) is formed in the fixed test needle bed iron block (4), the connecting lug (6) is arranged inside the clamping groove (5), and the fine adjustment gear (7) is fixedly arranged at the edge of the test needle bed fixing clamp (1).

2. The fine tuning device of PCB testing jig of claim 1, characterized in that: the two needle bed buckling mechanisms (3) are arranged, and the needle bed buckling mechanisms (3) are symmetrical with respect to the vertical center line of the test needle bed fixing clamp (1).

3. The fine tuning device of PCB testing jig of claim 1, characterized in that: the lower surface of the fixed test needle bed iron block (4) is welded with the test needle bed fixing clamp (1), and the upper surface of the test needle bed fixing clamp (1) is attached to the lower surface of the PCB test needle bed (2).

4. The fine tuning device of PCB testing jig of claim 1, characterized in that: the shape of the clamping groove (5) is a concave structure, and the inner size of the clamping groove (5) is matched with the outer size of the connecting bump (6).

5. The fine tuning device of PCB testing jig of claim 1, characterized in that: the fixed testing needle bed iron block (4) is connected with the PCB testing needle bed (2) through the clamping groove (5) and the connecting lug (6), and the connecting lug (6) is made of a magnet.

6. The fine tuning device of PCB testing jig of claim 1, characterized in that: the number of the fine adjustment gears (7) is two, and the maximum offset distance of the fine adjustment gears (7) is 0.15 MM.