CN219935919U

CN219935919U - PCBA veneer ageing test anchor clamps

Info

Publication number: CN219935919U
Application number: CN202320957803.0U
Authority: CN
Inventors: 嵇海荣; 徐化雨; 王海涛
Original assignee: Kunshan Rongling Electronics Co ltd
Current assignee: Kunshan Rongling Electronics Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-10-31
Anticipated expiration: 2033-04-25

Abstract

The utility model relates to the technical field of PCBA single board testing tools and discloses a PCBA single board aging testing clamp which comprises a base, wherein two groups of first mounting grooves are formed in the left side and the right side of the top end of the base, guide rods are fixedly connected to the inner parts of the two groups of first mounting grooves, sliding blocks are connected to the outer parts of the guide rods in a sliding mode, first springs are arranged on the outer parts of the guide rods, movable rods are connected to the top ends of the sliding blocks in a rotating mode, placing seats are connected to the top ends of the movable rods in a rotating mode, and limiting rods are fixedly connected to the left side and the right side of the top end of the base. According to the utility model, buffer protection is realized on the PBCA single board during testing, so that elements on the single board are prevented from being damaged during testing, the testing accuracy is improved, the contact board is replaced quickly, the practicability of the test fixture clamp is improved, certain limitation is eliminated, and the test fixture clamp is convenient for testing PBCA single boards of different models.

Description

PCBA veneer ageing test anchor clamps

Technical Field

The utility model relates to the technical field of PCBA single board testing tools, in particular to a PCBA single board aging testing clamp.

Background

Along with diversification of current power monitoring equipment and disposable of product assembly, also higher requirement has been had to the test of product, reduce the reworking rate of product production stage, it is the necessary demand that all is to solve at present to promote the one time qualification rate of product, when PCBA processing factory is producing, can carry out ageing test according to customer's demand or PBA=CA product characteristic, ageing test generally simulates outside moist high temperature's environment and carries out the test to PBCA finished product, make the function board in a thermal ageing equipment that has temperature variation, suffer air temperature's change, through comprehensive effects such as high temperature, low temperature, high low temperature change and electric power, expose the defect of function board, the test conditions of its test fixture of rethread test.

However, the aging test fixture for the PCBA single board in the prior art cannot protect the PCBA single board during testing, after being pressed down by the upper pressing plate, if the pressing force is not controlled, components on the PCBA single board are easily damaged, the testing accuracy is reduced, and when PCBA single boards of different models are tested, as probes on the test fixture are distributed differently, different test fixture fixtures need to be replaced for the PBCA single boards of different models, so that the fixture has certain limitation, and therefore, the aging test fixture for the PCBA single board is provided for the defects.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a PCBA single board aging test fixture.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a PCBA veneer ageing test anchor clamps, includes the base, the top left and right sides of base all is provided with two sets of mounting groove one, two sets of the inside fixedly connected with guide bar of mounting groove one, the outside sliding connection of guide bar has the slider, the outside of guide bar is provided with spring one, the top of slider rotates and is connected with the movable rod, the top of movable rod rotates and is connected with places the seat, the equal fixedly connected with gag lever post in top left and right sides of base, two sets of the outside sliding connection of gag lever post has the clamp plate, the bottom of clamp plate is provided with two sets of jacks, both sides all are provided with two sets of spouts around the clamp plate, two sets of the inside sliding connection of spout has the movable rod, the outside of movable rod is provided with spring two, the one end fixedly connected with of movable rod blocks the piece, the inside of jack is provided with the inserted bar, the bottom fixedly connected with contact plate of inserted bar.

As a further description of the above technical solution:

one side of the second spring is arranged on one side of the blocking block, and the outer part of the second spring is arranged in the sliding groove.

As a further description of the above technical solution:

the top of the blocking block is arranged at the bottom end of the inserted link.

As a further description of the above technical solution:

the bottom end of the contact plate is fixedly connected with a plurality of probes.

As a further description of the above technical solution:

the left and right sides of the top end of the placing seat are respectively provided with a second mounting groove, the inner walls of the second mounting grooves are fixedly connected with a plurality of third springs, one sides of the third springs are fixedly connected with a movable plate, and the rear side of the top end of the placing seat is fixedly connected with a baffle.

As a further description of the above technical solution:

the top fixedly connected with installation piece of gag lever post, the top rear side fixedly connected with mounting bracket of base, the top fixedly connected with roof of mounting bracket, the bottom fixedly connected with pneumatic cylinder of roof.

As a further description of the above technical solution:

one side of the installation block is fixedly connected to the inner side of the installation frame, and the driving end of the hydraulic cylinder is fixedly connected to the top end of the pressing plate.

The utility model has the following beneficial effects:

1. according to the utility model, the buffer protection of the PBCA veneer during testing is realized by starting the placing seat to descend under the cooperation of the first mounting groove, the guide rod, the sliding block, the first spring and the movable rod, so that the damage to elements on the veneer during testing is avoided, and the accuracy of testing is improved.

2. According to the utility model, the contact plate is replaced quickly by pulling the movable rod under the cooperation of the sliding groove, the second spring, the blocking block and the inserting rod, so that the practicability of the test fixture clamp is improved, certain limitation is eliminated, and the test for PBCA single plates of different models is facilitated.

Drawings

FIG. 1 is a perspective view of a PCBA single board aging test fixture provided by the utility model;

FIG. 2 is a schematic view of an internal structure of a mounting groove of a PCBA single board aging test fixture according to the present utility model;

FIG. 3 is a schematic diagram of the internal structure of a jack of a PCBA single board aging test fixture according to the present utility model;

FIG. 4 is an enlarged view of FIG. 3 at A;

fig. 5 is an enlarged view at B in fig. 2.

Legend description:

1. a base; 2. a first mounting groove; 3. a guide rod; 4. a slide block; 5. a first spring; 6. a movable rod; 7. a placement seat; 8. a limit rod; 9. a pressing plate; 10. a jack; 11. a chute; 12. a moving rod; 13. a second spring; 14. a blocking block; 15. a rod; 16. a contact plate; 17. a probe; 18. a second mounting groove; 19. a third spring; 20. a movable plate; 21. a mounting block; 22. a mounting frame; 23. a top plate; 24. a hydraulic cylinder; 25. and a baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the PCBA single board aging test fixture comprises a base 1, wherein two groups of mounting grooves I2 are respectively arranged on the left side and the right side of the top end of the base 1, the mounting grooves are used for sliding a sliding block 4 inside, so that a spring I5 is extruded, compressed and a rebound reaction force is generated, the inside of the two groups of mounting grooves I2 is fixedly connected with a guide rod 3, the guide rod 3 can limit the movement of a block inside the mounting groove I2, so that the sliding block 4 cannot separate from the inside of the mounting groove I2, the sliding block 4 is slidingly connected with the outside of the guide rod 3, the sliding block 4 moves inside the mounting groove I2 under the driving of a movable rod 6, the spring I5 is arranged outside the guide rod 3, the spring I5 generates the rebound reaction force after being compressed, thereby buffering and protecting a PBCA single board on a placing seat 7, elements on the single board are prevented from being damaged in the test process, the device is favorable for improving the accuracy of the test, the top end of the sliding block 4 is rotationally connected with the movable rod 6, the movable rod 6 is subjected to the downward pressure of the upper part, thereby driving the sliding block 4 to move along the guide rod 3, further extruding the first spring 5, realizing buffer protection of the PBCA veneer during the test, avoiding the damage of elements on the veneer in the test process, being favorable for improving the accuracy of the test, the top end of the movable rod 6 is rotationally connected with the placing seat 7, the PBCA veneer is placed at the top end of the placing seat 7, the probe 17 at the bottom of the contact plate 16 is contacted with the placing seat, thereby performing the aging test, the limit rods 8 are fixedly connected at the left and right sides of the top end of the base 1, the pressing plates 9 are connected with the outer sliding of the two groups of limit rods 8, the bottom ends of the pressing plates 9 are provided with two groups of jacks 10, the jacks 10 are used for inserting rods 15 to enter, thereby matching with the blocking blocks 14 to rapidly install the contact plate 16, the contact plate 16 is replaced quickly, thereby improving the practicability of the test fixture, canceling certain limitation, facilitating the test use of PBCA single plates of different types, arranging two groups of sliding grooves 11 on the front and rear sides of the pressing plate 9, moving the sliding grooves 11 for moving the rod 12 internally, driving the blocking block 14 to move out from the bottom of the inserting rod 15, facilitating the contact plate 16 to be detached quickly from the bottom of the pressing plate 9, facilitating the contact of PBCA single plates of different types, sliding the inner parts of the two groups of sliding grooves 11 with the moving rod 12, moving the moving rod 12 under the pushing of the inserting rod 15 when the inserting rod 15 enters the inside of the inserting hole 10, thus the blocking block 14 extrudes the spring II 13 to compress the spring II, arranging the spring II 13 outside the moving rod 12, compressing when the inserting rod 15 enters the inside of the inserting hole 10, therefore, when the inserting rod 15 is completely inserted into the jack 10, the second spring 13 is compressed to drive the blocking block 14 to move to the bottom end of the inserting rod 15, so that the contact plate 16 is fixed at the bottom end of the pressing plate 9, one end of the moving rod 12 is fixedly connected with the blocking block 14, one surface of the blocking block 14 is an inclined surface, after being extruded by the sliding surface at the top of the inserting rod 15, the moving rod 12 is driven to move in the chute 11, the blocking block 14 extrudes the second spring 13, so that the compression is carried out, the inserting rod 15 is arranged in the jack 10, after entering the jack 10, the inserting rod 15 does not fall from the jack 10 under the blocking of the blocking block 14, so that the contact plate 16 is fixed at the bottom end of the pressing plate 9, the contact plate 16 is convenient to be detached and replaced according to the PBCA single plates of different types, a certain limitation is eliminated, the practicability of the test fixture is improved, the bottom end of the inserted link 15 is fixedly connected with a contact plate 16, and the contact plate 16 drives a probe 17 to contact with the PBCA veneer under the drive of the pressing plate 9, so that the aging test is performed.

One side of the second spring 13 is arranged on one side of the blocking block 14, so that the second spring 13 is conveniently extruded by the blocking block 14 when moving, the outer part of the second spring 13 is arranged in the chute 11, the top end of the blocking block 14 is arranged at the bottom end of the inserting rod 15, the contact plate 16 is fixed at the bottom end of the pressing plate 9, the bottom end of the contact plate 16 is fixedly connected with a plurality of probes 17, the probes 17 are test needles for testing PCBA, the surface is gold-plated, high-performance springs with the average service life of 3 ten thousand to 10 ten thousand times are arranged in the inner part, the left and right sides of the top end of the placing seat 7 are respectively provided with a second mounting groove 18, the second mounting grooves 18 are used for mounting a third spring 19, the inner walls of the two second mounting grooves 18 are fixedly connected with a plurality of third springs 19, the third spring 19 is compressed after being extruded, so that the movable plate 20 is driven to be clung to two sides of the PBCA veneer, and the PBCA veneer is fixed at the top end of the placing seat 7, the movable plate 20 is fixedly connected to one side of the springs III 19, the movable plate 20 is different in size of the PBCA single plate, the movable plate 20 can be driven to move in the installation groove II 18, the springs III 19 are further extruded, the springs III 19 can clamp and fix the PBCA single plates with different sizes, the baffle 25 is fixedly connected to the rear side of the top end of the placing seat 7, the baffle 25 can limit the placing position of the PBCA single plate in the placing process, the installation block 21 is fixedly connected to the top end of the limiting rod 8, the installation block 21 is used for installing and fixing the limiting rod 8, the installation frame 22 is fixedly connected to the top end of the installation frame 22, the hydraulic cylinder 24 is fixedly connected to the bottom end of the top plate 23, the hydraulic cylinder 24 can drive the pressing plate 9 to move downwards, and accordingly the probe 17 is contacted with the PBCA single plate, further, an aging test is performed, one side of the mounting block 21 is fixedly connected to the inner side of the mounting frame 22, and the driving end of the hydraulic cylinder 24 is fixedly connected to the top end of the pressing plate 9.

Working principle: when the aging test is carried out on the PCBA single board, the PBCA single board is comprehensively utilized through high temperature, low temperature, high and low temperature change, electric power and the like, then the PBCA single board is placed on the top of the placing seat 7 by using the test fixture, the PBCA single board is firstly placed on the top of the placing seat 7, meanwhile, the movable board 20 is extruded by the PBCA single board, the springs III 19 are extruded by the PBCA single board, the two sides of the PBCA single board are extruded by the compressed springs, the PBCA single board is fixed on the placing seat 7, then the hydraulic cylinder 24 is started, the hydraulic cylinder 24 drives the pressing board 9 to move downwards, the pressing board 9 drives the probe 17 at the bottom of the contact board 16 to contact with the PBCA single board, the PBCA single board is subjected to aging test, the placing board simultaneously drives the movable rod 6 to move downwards, the sliding block 4 is driven to move along the guide rod 3, the springs I5 are extruded, the springs I5 are compressed, the springs I5 generate rebound reaction force, the upper pressure of the placing board is buffered and reduced, the PBCA single board is protected, the other PBCA single board is prevented from moving in two sides, the moving block 12 is blocked by the moving block 12, the sliding block 12 is pushed by the sliding block 13, the sliding block 13 is pushed by the sliding block 13, and the sliding block is pushed by the sliding block, and the sliding block 13 and the sliding block is 13.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a PCBA veneer ageing test anchor clamps, includes base (1), its characterized in that: the utility model discloses a plug-in type socket, including base (1), base, slide bar (12), push rod (15), push rod (10), push rod (9), push rod (12), push rod (6), push rod (9) are all provided with two sets of mounting groove (2) in the top left and right sides of base (1), two sets of inside fixedly connected with guide bar (3) of mounting groove (2), outside sliding connection of guide bar (3) has slider (4), the outside of guide bar (3) is provided with spring one (5), the top of slider (4) rotates and is connected with movable rod (6), the top of movable rod (6) rotates and is connected with places seat (7), the top left and right sides of base (1) is all fixedly connected with gag lever (8), two sets of outside sliding connection of gag lever (8) has clamp plate (9), the bottom of clamp plate (9) is provided with two sets of jacks (10), the inside sliding connection of clamp plate (9) is provided with two sets of spouts (11), two sets of inside sliding connection of spout (11), the outside of movable rod (12) is provided with spring two (13), one end fixedly connected with one end of movable rod (12) is provided with one end of stopper (14).

2. The PCBA veneer burn-in fixture of claim 1, wherein: one side of the second spring (13) is arranged on one side of the blocking block (14), and the outer part of the second spring (13) is arranged in the sliding groove (11).

3. The PCBA veneer burn-in fixture of claim 1, wherein: the top end of the blocking block (14) is arranged at the bottom end of the inserted link (15).

4. The PCBA veneer burn-in fixture of claim 1, wherein: the bottom end of the contact plate (16) is fixedly connected with a plurality of probes (17).

5. The PCBA veneer burn-in fixture of claim 1, wherein: the left and right sides of the top end of the placement seat (7) are provided with mounting grooves II (18), the inner walls of the mounting grooves II (18) are fixedly connected with a plurality of springs III (19), one side of each spring III (19) is fixedly connected with a movable plate (20), and the rear side of the top end of the placement seat (7) is fixedly connected with a baffle plate (25).

6. The PCBA veneer burn-in fixture of claim 1, wherein: the top fixedly connected with installation piece (21) of gag lever post (8), the top rear side fixedly connected with mounting bracket (22) of base (1), the top fixedly connected with roof (23) of mounting bracket (22), the bottom fixedly connected with pneumatic cylinder (24) of roof (23).

7. The PCBA veneer burn-in fixture of claim 6, wherein: one side of the installation block (21) is fixedly connected to the inner side of the installation frame (22), and the driving end of the hydraulic cylinder (24) is fixedly connected to the top end of the pressing plate (9).