CN213240277U

CN213240277U - PCBA test fixture

Info

Publication number: CN213240277U
Application number: CN202022241555.9U
Authority: CN
Inventors: 杨海龙
Original assignee: Zhihuo Suzhou Electronic Technology Co ltd
Current assignee: Zhihuo Suzhou Electronic Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-05-18
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a PCBA test fixture, the surface of a base station is fixedly provided with a base, the surface of the base station is slidably provided with two groups of first electric sliding tables, two groups of first electric sliding tables are fixedly provided with first limiting plates, the surface of the first limiting plate is slidably provided with second electric sliding tables, the surface of the second electric sliding tables is fixedly provided with second limiting plates, the surface of the base station is fixedly provided with a first bracket, one side of the top part of the first bracket is fixedly provided with a second bracket, the device is provided with an electric push rod which can control the probe to freely lift and realize the automatic detection of PCBA, thus avoiding the participation of workers, reducing the working pressure of workers, improving the working efficiency, improving the accuracy of detection data to a certain extent, and the device has simple structure and convenient use and can be suitable for PCBAs with different sizes, the manufacturing cost can be reduced to a certain extent.

Description

PCBA test fixture

Technical Field

The utility model relates to a PCBA technical field specifically is a PCBA test fixture.

Background

A Printed Circuit Board Assembly (PCBA), that is, a PCB (Printed Circuit Board) with an empty Board, which is subjected to SMT (Surface Mount Technology) loading and then DIP (Dual In-line Package, also called Dual In-line Package) insertion.

In testing of the PCBA, the PCBA is usually fixed, and then the probe is brought into contact with a test point on the PCBA to detect the PCBA. The existing test fixture generally uses manual or automatic methods to contact the probe with the PCBA during testing. The manual mode flexibility is better, but can increase workman's working strength, and efficiency is lower, and the test accuracy is difficult to guarantee. The existing automatic test fixture has a complex structure and higher production cost, which leads to the increase of the manufacturing cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCBA test fixture, electric putter is installed to the device, can control the probe and freely go up and down, realize the automated inspection to PCBA, can avoid workman's participation like this, thereby alleviate workman's operating pressure, the work efficiency is improved, the accuracy of detection data has been improved to a certain extent, and the device simple structure, high durability and convenient use can be applicable to not unidimensional PCBA, can reduce manufacturing cost to a certain extent, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PCBA test fixture, includes the base station, base station fixed surface installs the base, base surface slidable mounting has two sets of first electronic slip tables, and is two sets of the equal fixed mounting in first electronic slip table surface has first limiting plate, first spacing board surface slidable mounting has the electronic slip table of second, the electronic slip table surface fixed surface of second installs the second limiting plate, base station fixed surface installs first support, first support top one side fixed mounting has the second support, second support surface slidable mounting has the electronic slip table of third, the electronic slip table surface fixed mounting of third has the third limiting plate, the spacing board surface slidable mounting of third has the electronic slip table of fourth, the electronic slip table fixed surface of fourth installs electric putter, electric putter's piston rod end fixed mounting has the probe.

Preferably, a first groove is formed in the surface of the base, a first sliding groove is formed in the surface of the first groove, and the first electric sliding table is slidably mounted in the first sliding groove.

Preferably, a second groove is formed in the surface of the first limiting plate, a rubber pad is fixedly mounted on the surface of the second groove, a second sliding groove is formed in the surface of the second groove, and the second electric sliding table is slidably mounted in the second sliding groove.

Preferably, a supporting frame is fixedly installed at the fixed connection position of the first support and the second support, and the supporting frame is a tripod.

Preferably, a third sliding groove is formed in the surface of the second support, and the third electric sliding table is slidably mounted in the third sliding groove.

Preferably, a fourth sliding groove is formed in the surface of the third limiting plate, and the fourth electric sliding table is slidably mounted in the fourth sliding groove.

Preferably, the piston rod end of the electric push rod is fixedly provided with a connecting block, and the probe is fixedly connected with the electric push rod through the connecting block.

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

1. the device is provided with the electric push rod, so that the probe can be controlled to freely lift, automatic detection on the PCBA is realized, and the participation of workers can be avoided, so that the working pressure of the workers is reduced, the working efficiency is improved, and the accuracy of detection data is improved to a certain extent;

2. the device simple structure, convenient to use can be applicable to not unidimensional PCBA, can reduce manufacturing cost to a certain extent.

Drawings

FIG. 1 is a schematic view of a cross-sectional structure of a PCBA test fixture of the present invention;

FIG. 2 is a schematic side view of a cross-sectional structure of a PCBA test fixture of the present invention;

fig. 3 is the utility model relates to a PCBA test fixture's A enlargies structure schematic diagram.

In the figure: 1. a base station; 2. a base; 3. a first electric sliding table; 4. a first limit plate; 5. a second electric sliding table; 6. a second limiting plate; 7. a first bracket; 8. a second bracket; 9. a third electric sliding table; 10. a third limiting plate; 11. a fourth electric sliding table; 12. an electric push rod; 13. a probe; 14. a first groove; 15. a first chute; 16. a second groove; 17. a rubber pad; 18. a second chute; 19. a support frame; 20. a third chute; 21. a fourth chute; 22. and (4) connecting the blocks.

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: the utility model provides a PCBA test fixture, including

base station

1, 1 fixed surface of base station installs base 2, it is in order to place PCBA to set up

base

2, 2 slidable surface of base installs two sets of first electronic slip tables 3, it is in order to drive two sets of first limiting plate 4 relative motion to set up two sets of first electronic slip tables 3, the realization is pressed from both sides tight to the PCBA of unidimensional, first recess 14 has been seted up on the base 2 surface, it is in order to restrict the application scope of base 2 to set up first recess 14, first spout 15 has been seted up on 14 surfaces of first recess, it is the slip of convenient first electronic slip table 3 to set up

first spout

15, 3 slidable mounting of first electronic slip table are in

first spout

15, 3 equal fixed surface of two sets of first electronic slip tables have first limiting plate 4, it is in order to fix the PCBA both sides to set up first limiting plate.

4 surface sliding of first limiting plate has the electronic slip table of second 5, it is in order to control the lift of second limiting plate 6 to set up the electronic slip table of second 5, the realization presss from both sides tightly the PCBA of different thickness, second recess 16 has been seted up on the surface of first limiting plate 4, 16 fixed surface of second recess installs rubber pad 17, it protects PCBA to set up rubber pad 17, second spout 18 has been seted up on the surface of second recess 16, it makes things convenient for the slip of the electronic slip table of second 5 to set up

second spout

18, 5 sliding mounting of the electronic slip table of second in

second spout

18, 5 fixed surface of the electronic slip table of second installs second limiting plate 6, it presss from both sides tightly in order to press from both sides PCBA to set up second limiting plate 6.

The surface of the base station 1 is fixedly provided with a first bracket 7, one side of the top of the first bracket 7 is fixedly provided with a second bracket 8, the first bracket 7 and the second bracket 8 are arranged to fix the detection device, the fixed joint of the first bracket 7 and the second bracket 8 is fixedly provided with a supporting frame 19, the supporting frame 19 is a tripod, this setting is for improving the stability of first support 7 and

second support

8, 8 surface sliding of second support have a third electronic slip table 9, it is for the side-to-side motion of control probe 13 to set up the electronic slip table 9 of third, third spout 20 has been seted up on 8 surfaces of second support, it is for the convenience of the slip of the electronic slip table 9 of third to set up third spout 20, electronic slip table 9 sliding of third installs in third spout 20, electronic slip table 9 fixed surface of third installs third limiting plate 10, it is for fixing electronic slip table 11 to set up third limiting plate 10.

The surface of the third limiting plate 10 is slidably provided with a fourth electric sliding table 11, the fourth electric sliding table 11 is arranged to control the forward and backward movement of the probe 13, the surface of the third limiting plate 10 is provided with a fourth sliding groove 21, the fourth sliding groove 21 is arranged to facilitate the sliding of the fourth electric sliding table 11, the fourth electric sliding table 11 is slidably arranged in the fourth sliding groove 21, the surface of the fourth electric sliding table 11 is fixedly provided with an electric push rod 12, the electric push rod 12 is arranged to control the lifting of the probe 13, the piston rod end of the electric push rod 12 is fixedly provided with the probe 13, the probe 13 is arranged to detect PCBA, the piston rod ends of the electric push rods 12 of the first support 7 and the second support 8 are fixedly provided with a connecting block 22, the connecting block 22 is arranged to facilitate the dismounting and replacing of the probe 13, and the probe 13 and.

The working principle is as follows: when the device is used, a user fixes the probe 13 on the piston rod end of the electric push rod 12 through the connecting block 22, then places the PCBA to be detected on the rubber pad 17 on the surface of one group of the second grooves 16, then starts one group of the second electric sliding tables 5, the second electric sliding tables 5 descend to compress the PCBA, then simultaneously starts two groups of the first electric sliding tables 3, the two groups of the first electric sliding tables 3 drive two groups of the first limiting plates 4 to move oppositely, after one end of the PCBA enters the other group of the second grooves 16, the first electric sliding tables 3 are closed, then the other group of the second electric sliding tables 5 are started to realize fixed clamping on the other end of the PCBA, then simultaneously starts the third electric sliding tables 9 and the fourth electric sliding tables 11, the third electric sliding tables 9 and the fourth electric sliding tables 11 control the probe 13 to move to a position to be detected, then starts the electric push rod 12, the electric push rod 12 controls the probe 13 to descend, when the probe 13 descends to a predetermined height, the electric push rod 12 is closed, and the detection of the PCBA is started.

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 PCBA test fixture, includes base station (1), its characterized in that: the surface of the base platform (1) is fixedly provided with a base (2), the surface of the base (2) is slidably provided with two groups of first electric sliding tables (3), the surface of the first electric sliding tables (3) is fixedly provided with a first limiting plate (4), the surface of the first limiting plate (4) is slidably provided with a second electric sliding table (5), the surface of the second electric sliding table (5) is fixedly provided with a second limiting plate (6), the surface of the base platform (1) is fixedly provided with a first bracket (7), one side of the top of the first bracket (7) is fixedly provided with a second bracket (8), the surface of the second bracket (8) is slidably provided with a third electric sliding table (9), the surface of the third electric sliding table (9) is fixedly provided with a third limiting plate (10), and the surface of the third limiting plate (10) is slidably provided with a fourth electric sliding table (11), an electric push rod (12) is fixedly mounted on the surface of the fourth electric sliding table (11), and a probe (13) is fixedly mounted at the piston rod end of the electric push rod (12).

2. The PCBA test fixture of claim 1, wherein: first recess (14) have been seted up on base (2) surface, first spout (15) have been seted up on first recess (14) surface, first electronic slip table (3) slidable mounting is in first spout (15).

3. The PCBA test fixture of claim 1, wherein: second recess (16) have been seted up on first limiting plate (4) surface, second recess (16) fixed surface installs rubber pad (17), second spout (18) have been seted up on second recess (16) surface, electronic slip table of second (5) slidable mounting is in second spout (18).

4. The PCBA test fixture of claim 1, wherein: a supporting frame (19) is fixedly installed at the fixed connection position of the first support (7) and the second support (8), and the supporting frame (19) is a tripod.

5. The PCBA test fixture of claim 1, wherein: and a third sliding groove (20) is formed in the surface of the second support (8), and the third electric sliding table (9) is slidably mounted in the third sliding groove (20).

6. The PCBA test fixture of claim 1, wherein: and a fourth sliding groove (21) is formed in the surface of the third limiting plate (10), and the fourth electric sliding table (11) is slidably mounted in the fourth sliding groove (21).

7. The PCBA test fixture of claim 1, wherein: the device is characterized in that a connecting block (22) is fixedly mounted at the piston rod end of the electric push rod (12), and the probe (13) is fixedly connected with the electric push rod (12) through the connecting block (22).