CN218956697U - Elastic mechanism for product aging test equipment - Google Patents

Abstract

The utility model aims to provide the elastic mechanism for the product aging test equipment, which has the advantages of simple structure, convenient product taking and placing, lower space occupation rate and suitability for the product aging test equipment. The utility model comprises a lower needle module, a product carrier plate is arranged on the lower needle module in a floating manner, an upper needle module is arranged on the product carrier plate in a floating manner, a product placement position is arranged on the product carrier plate, a first floating locking component matched with the upper needle module is arranged on the product carrier plate, a second floating locking component matched with the product carrier plate is arranged on the lower needle module, an upper probe on the upper needle module is contacted with a product to be tested placed on the product placement position after the upper needle module is pressed down under the stress, and the upper needle module is contacted with the product carrier plate and moves downwards along with the product carrier plate so that the lower probe of the lower needle module is contacted with the product to be tested, and the first floating locking component locks the upper needle module after pressing in place, and the second floating locking component locks the product carrier plate. The utility model is applied to the technical field of product aging test.

Description

Elastic mechanism for product aging test equipment

Technical Field

The utility model relates to the technical field of product aging tests, in particular to an elastic mechanism for product aging test equipment.

Background

In the production process of electronic products, in order to detect the service life of the electronic products, aging tests are often carried out on the electronic products, namely, the products are put into a severe environment with high temperature and high humidity for a long time to accelerate the aging speed and monitor the working state of the products so as to judge the aging resistance.

When the aging test is performed, a special clamp is required to be used for fixing the electronic product to be subjected to the aging test, and most existing aging clamps need a spring pressing block or directly fix the spring pressing block by screws when fixing the product, so that the taking and placing of the product to be tested can be completed through more complicated operation steps.

The utility model patent with publication number CN 201269888Y discloses a tool for testing the assembly of a printed circuit board, which comprises a test board box, a connecting plate, a test fixture positioning device and a flat pressing device, wherein a terminal connector is arranged in the test board box, the connecting plate is vertically arranged on one side of the test board box, the flat pressing device is positioned at the upper end of the connecting plate, a pressing plate is arranged at the bottom end of the flat pressing device, the flat pressing device is used for controlling the pressing plate to move up and down, the test fixture positioning device is positioned between the pressing plate and the test board box and used for placing PCBA, and a probe sleeve connected with the terminal connector is fixed at the bottom end of the test fixture positioning device; when testing, the PCBA is placed on the test fixture positioning device, the flat pressing device applies downward force, so that the pressing plate presses the PCBA to move downward, and the test contact on the PCBA is contacted with the probe.

The contact test device is suitable for contact test of PCBA products, however, the structure is complex, the manufacturing cost is high, the whole structure is large, the occupied space is large, the contact test device is difficult to modularize and apply to aging test equipment, the contact test device is inconvenient to take and place products during working, and the contact test device has limitation.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the elastic mechanism for the product aging test equipment, which has the advantages of simple structure, convenient product taking and placing, lower space occupation rate and suitability for the product aging test equipment.

The technical scheme adopted by the utility model is as follows: the utility model comprises a needle-down module, wherein a product carrier plate is arranged on the needle-down module in a floating manner, an upper needle module is arranged on the product carrier plate in a floating manner, a product placement position is arranged on the product carrier plate, a first floating locking component matched with the upper needle module is arranged on the product carrier plate, a second floating locking component matched with the product carrier plate is arranged on the needle-down module, an upper probe on the upper needle module is contacted with a product to be tested placed on the product placement position after the upper needle module is pressed down under the force, and the upper needle module is contacted with the product carrier plate and moves downwards along with the product carrier plate so that the lower probe of the needle-down module is contacted with the product to be tested, and the first floating locking component locks the upper needle module and the second floating locking component locks the product carrier plate after the upper needle module is pressed in place.

Further, the first floating locking assembly comprises first locking seats symmetrically arranged on two sides of the product carrier plate, a first locking block is hinged to the inner side of the upper end of the first locking seat, a first clamping hook is arranged on the inner side of the first locking block, a first breaking piece is arranged on the outer side of the first locking block, a first stop block is arranged on the outer side of the first locking seat, and a first spring is arranged between the first locking block and the first stop block.

Further, go up the needle module and include the slider, it is in to go up the slider through a plurality of slide rails slip setting on the product carrier plate, the lower extreme of going up the slider is provided with the needle piece, upward be provided with a plurality of in the needle piece go up the probe, the below both sides of going up the slider all are provided with the elastic pin, it is located two between the locking seat and with two to go up the slider first trip cooperatees.

Further, the lower needle module comprises a lower needle plate, a lower needle block is arranged on the lower needle plate, a plurality of lower probes are arranged on the lower needle block, the product carrier plate is connected with the lower needle plate through a plurality of first equal-height screws, and a plurality of floating springs are arranged between the lower needle plate and the product carrier plate.

Further, the second floating locking assembly comprises second locking seats symmetrically arranged on the front side and the rear side of the lower needle plate, a second locking block is hinged to the inner side of the second locking seat, a second clamping hook is arranged on the inner side of the second locking block, a second breaking piece is arranged on the outer side of the second locking block, and a second spring is arranged between the second locking block and the second locking seat.

Further, limiting blocks are arranged on two sides of two ends of the product placement position, and the limiting blocks are matched with the upper needle module; the two sides of the lower needle plate are respectively provided with a limiting strip, the limiting strips are arranged on the lower needle plate through second equal-height screws, and the second equal-height screws are sleeved with compression springs.

Further, a guide inclined plane matched with the upper needle module is arranged on the inner side of the upper end of the first locking block.

Further, a guiding cambered surface matched with the product carrier plate is arranged on the inner side of the upper end of the second locking block.

Further, the upper needle block is detachably arranged at the lower end of the upper sliding block, a plurality of guide pins are arranged at the lower end of the upper needle block, the guide pins are matched with positioning holes formed in the product carrier plate, and a plug connector connected with the upper end of the upper probe is arranged at the upper end of the upper sliding block.

Further, the lower needle block is detachably arranged on the lower needle plate, a lower connecting plate is arranged at the lower end of the lower needle plate, and the lower connecting plate is connected with the lower end of the lower probe.

The beneficial effects of the utility model are as follows: the utility model comprises an upper needle module, a lower needle module and a product carrier plate, wherein the product carrier plate is arranged on the lower needle module in a floating way, and the upper needle module is arranged on the product carrier plate in a floating way, so that the product carrier plate has double floating effects; during testing, a product to be tested is placed on a product placement position, then the upper needle module is pressed, the upper needle module is forced to move downwards, so that the upper probe is in contact with the product to be tested, meanwhile, the upper needle module is in contact with the product carrier plate to press the product carrier plate, so that the upper probe is moved downwards together with the product carrier plate, the lower probe is in contact with the product to be tested, so that the conduction test is realized, when the lower probe is in contact with the product to be tested, the product carrier plate and the upper needle module are moved downwards in place, the upper needle module is locked on the product carrier plate by the first floating locking assembly, and the product carrier plate is locked on the lower needle module by the second floating locking assembly, so that the upper probe, the lower probe and the product to be tested are kept in contact conduction, and the test is facilitated; after the test is finished, the first floating locking assembly and the second floating locking assembly are locked, the upper needle module and the product carrier plate are reset, and the product to be tested can be taken out at the moment. Therefore, the utility model has the advantages of simple integral structure, low manufacturing cost, convenience for taking and placing the product to be tested, lower space occupation rate, modularization integration in the aging test equipment and suitability for the product aging test equipment.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of another angle of the present utility model;

FIG. 3 is a schematic perspective view of the upper needle module according to the present utility model;

FIG. 4 is a schematic perspective view of the lower needle module according to the present utility model;

FIG. 5 is a schematic view of another perspective view of the lower needle module according to the present utility model;

FIG. 6 is a schematic perspective view of a first floating locking assembly according to the present utility model;

FIG. 7 is an exploded view of the first floating locking assembly of the present utility model;

FIG. 8 is a schematic perspective view of a second floating locking assembly according to the present utility model;

fig. 9 is a schematic perspective view of the integrated modular arrangement of the present utility model.

Detailed Description

As shown in fig. 1 to 9, in the present embodiment, the present utility model includes an upper needle module 3, a product carrier plate 2 and a lower needle module 1 sequentially arranged from top to bottom, and the upper needle module 3 is arranged on the product carrier plate 2 when floating, and the product carrier plate 2 is arranged on the lower needle module 1 in a floating manner, so that the overall structure has a dual floating effect; the product carrier plate 2 is provided with a product placement position 4 for placing products to be tested and can play a role in positioning the products to be tested; the product carrier plate 2 is provided with a first floating locking assembly 5 matched with the upper needle module 3 for locking the upper needle module 3 on the product carrier plate 2, the lower needle module 1 is provided with a second floating locking assembly 6 matched with the product carrier plate 2 for locking the product carrier plate 2 on the lower needle module 1; during testing, a product to be tested is placed on the product placement position 4, then the upper needle module 3 is pressed down, after the upper needle module 3 is pressed down under force, an upper probe 30 arranged on the upper needle module 3 is contacted with the upper end of the product to be tested, and after the upper needle module 3 is contacted with the product carrier plate 2, the upper needle module 3 moves down together with the product carrier plate 2, so that a lower probe 10 of the lower needle module 1 is contacted with the lower end of the product to be tested, contact conduction of the product to be tested is realized, testing is realized, after all parts are pressed in place, the first floating locking assembly 5 locks the upper needle module 3, so that the upper needle module 3 is fixed on the product carrier plate 2, and the second floating locking assembly 6 locks the product carrier plate 2, so that the product carrier plate 2 is fixed on the lower needle module 1, so that the upper probe 30, the lower probe 10 and the product to be tested are kept on, and testing is convenient.

As shown in fig. 6 and 7, in this embodiment, the first floating locking assembly 5 includes two sets of components symmetrically disposed on the left and right sides of the product carrier 2; specifically, each group of constituent parts includes a first locking seat 51, a first locking block 52, a first hook, a first breaking piece 54, a first stopper 55, and a first spring 56;

the first locking block 52 is hinged to the upper end of the inner side of the first locking seat 51 through a pin shaft, so that the first locking block 52 can be turned over relative to the first locking seat 51, the first clamping hook 53 is arranged on the inner side of the first locking block 52 and is used for being matched with the upper needle module 3 so as to clamp the upper needle module 3, a first breaking piece 54 is arranged on the outer side of the first locking block 52, the first breaking piece 54 is used for being pressed by an operator so as to release the restriction of the first clamping hook 53 on the upper needle module 3, a first stop block 55 is arranged on the outer side of the first locking seat 51 and is provided with a gap with the first locking block 52, and the first spring 56 is arranged in the gap so as to play a floating supporting role on the first locking block 52, so that the first locking block 52 has floating capacity;

when the upper needle module 3 is pressed down in place during testing, the two first locking blocks 52 are spread, and then the two first locking blocks 52 are reset under the action of the elastic force of the first springs 56, so that the two first clamping hooks 53 buckle the two sides of the upper needle module 3, and the upper needle module 3 is fixed on the product carrier plate 2; after the test is completed, the two first breaking pieces 54 are pressed simultaneously, the two first clamping hooks 53 are contacted to limit the upper needle module 3, and the upper needle module 3 automatically moves upwards under the floating force, so that a product to be tested is taken out, and the test is completed.

As shown in fig. 1 to 3, in this embodiment, the upper needle module 3 includes an upper slider 31, the upper slider 31 is slidably disposed on the product carrier 2 through a plurality of upper slide rails 32, an upper needle block 33 is disposed at a lower end of the upper slider 31, a plurality of upper probes 30 are disposed in the upper needle block 33, elastic pins 34 are disposed on two sides below the upper slider 31, and the upper slider 31 is located between two first locking seats 51 and is matched with two first hooks 53;

the upper sliding block 31 is arranged on the product carrier plate 2 in a vertically sliding way through four upper sliding rails 32, so that a better sliding effect and higher sliding precision can be achieved, the upper needle block 33 is fixed at the lower end of the upper sliding block 31 and used for installing a plurality of upper probes 30, and the upper needle block 33 is positioned right above the product placement position 4; the number of the elastic pins 34 is four, two elastic pins 34 are disposed on the left and right sides of the product carrier plate 2 and located between the two first locking seats 51, and the four elastic pins 34 play a role in floating support on the upper slider 31, that is, the floating effect of the upper slider 31 is achieved through the upper sliding rail 32 and the elastic pins 34, so that the upper slider 31 can be prevented from suddenly falling to bump off a probe or scratch a product, and a protection effect is achieved.

As shown in fig. 1, 2, 4 and 5, in this embodiment, the lower needle module 1 includes a lower needle plate 11, a lower needle block 12 is disposed on the lower needle plate 11, a plurality of lower probes 10 are disposed on the lower needle block 12, the product carrier plate 2 is connected with the lower needle plate 11 through four first equal-height screws 13 so as to realize up-and-down sliding, and four floating springs 14 are disposed between the lower needle plate 11 and the product carrier plate 2, so that floating force is provided between the two floating springs, thereby relatively floating. In addition, the product carrier plate 2 is provided with positioning pins for being matched with the lower needle plate 11.

As shown in fig. 8, in the present embodiment, the second floating locking assembly 6 includes second locking seats 61 symmetrically disposed on front and rear sides of the lower needle plate 11, a second locking block 62 is hinged on an inner side of the second locking seat 61, a second hook 63 is disposed on an inner side of the second locking block 62, a second breaking piece 64 is disposed on an outer side of the second locking block 62, and a second spring 65 is disposed between the second locking block 62 and the second locking seat 61. The second floating locking assembly 6 has a similar structure to the first floating locking assembly 5, and the working principle is similar, except that the locking position is the front and rear sides, and the description thereof is omitted.

As shown in fig. 1 to 5, in this embodiment, two sides of two ends of the product placement position 4 are provided with limiting blocks 7, and the limiting blocks 7 are matched with the upper needle module 3, so that the upper needle module 3 can be prevented from being excessively displaced to crush the probe or crush the product; the two sides of the lower needle plate 11 are provided with limit strips 8, the limit strips 8 are used for limiting the downward pressing stroke of the product carrier plate 2, whether the carrier plate is limited or not can be selected, and the safety function is achieved when the upper needle module 3 or the product carrier plate 2 is limited so as not to suddenly press down to break probes or crush products; the limiting strip 8 is arranged on the lower needle plate 11 through the second equal-height screw 9, so that the limiting strip 8 can rotate, whether the limitation on the product carrier plate 2 is released or not can be determined according to the requirement, and the second equal-height screw 9 is sleeved with a compression spring, so that the limiting strip 8 can be kept stable and cannot be easily shifted.

As shown in fig. 6, 7 and 8, in the present embodiment, a guiding inclined plane 57 matched with the upper needle module 3 is provided on the inner side of the upper end of the first locking block 52, so that the first locking block 52 can be smoothly opened when the upper needle module 3 moves down, and the operator is not required to manually break off the first locking block, thereby further improving convenience; the inner side of the upper end of the second locking block 62 is provided with a guiding cambered surface 66 matched with the product carrier plate 2, so that the product carrier plate 2 can be smoothly spread when moving downwards, and the operation is convenient.

As shown in fig. 1 to 3, in the present embodiment, the upper needle block 33 is detachably disposed at the lower end of the upper slider 31 by a screw, so that it can be replaced as needed, enhancing adaptability; the lower end of the upper needle block 33 is provided with two guide pins 35 which are matched with two positioning holes 36 formed on the product carrier plate 2, so that accurate alignment can be realized when the upper needle block moves downwards, and the upper probe 30 is accurately abutted with the contact of the product to be tested; the upper end of the upper slider 31 is provided with a plug 37 connected with the upper end of the upper probe 30, and the plug 37 can be externally connected with testing equipment, so that testing information is externally transmitted to realize testing.

As shown in fig. 4 and 5, in the present embodiment, the lower needle block 12 is detachably provided on the lower needle plate 11 by screws so as to be replaceable to fit more products; the lower end of the lower needle plate 11 is provided with a lower connection plate 15, the lower connection plate 15 is connected with the lower end of the lower probe 10, and connection signals of the lower probe 10 can be led out through the lower connection plate 15 so as to complete testing work.

As shown in fig. 9, it should be noted that a plurality of elastic mechanisms of the present utility model may be disposed on a large carrier board, and integrated and modularized in the product burn-in test apparatus, so as to improve the test efficiency.

While the embodiments of this utility model have been described in terms of practical aspects, they are not to be construed as limiting the meaning of this utility model, and modifications to the embodiments and combinations with other aspects thereof will be apparent to those skilled in the art from this description.

Claims (10)

1. An elastic mechanism for product aging test equipment is characterized in that: the automatic feeding device comprises a feeding needle module (1), a product carrier plate (2) is arranged on the feeding needle module (1) in a floating mode, an upper needle module (3) is arranged on the product carrier plate (2) in a floating mode, a product placing position (4) is arranged on the product carrier plate (2), a first floating locking component (5) matched with the upper needle module (3) is arranged on the product carrier plate (2), a second floating locking component (6) matched with the product carrier plate (2) is arranged on the feeding needle module (1), an upper probe (30) on the feeding needle module (3) is contacted with a product to be tested on the product placing position (4) after the feeding needle module (3) is stressed and pressed down, the upper needle module (3) is contacted with the product to be tested, the product carrier plate (2) moves downwards, so that a lower probe (10) of the feeding needle module (1) is contacted with the product to be tested, the first floating locking component (5) is locked on the upper needle module (3), and the second floating locking component (6) is locked on the product carrier plate (2).

2. The elastic mechanism for product aging test equipment according to claim 1, wherein: the first floating locking assembly (5) comprises first locking seats (51) symmetrically arranged on two sides of the product carrier plate (2), first locking blocks (52) are hinged to the inner sides of the upper ends of the first locking seats (51), first clamping hooks (53) are arranged on the inner sides of the first locking blocks (52), first breaking sheets (54) are arranged on the outer sides of the first locking blocks (52), first check blocks (55) are arranged on the outer sides of the first locking seats (51), and first springs (56) are arranged between the first locking blocks (52) and the first check blocks (55).

3. The elastic mechanism for product aging test equipment according to claim 2, wherein: go up needle module (3) including last slider (31), go up slider (31) and be in through slide rail (32) slip setting on product carrier plate (2) on a plurality of, the lower extreme of going up slider (31) is provided with needle piece (33), be provided with a plurality of in last needle piece (33) go up probe (30), the below both sides of going up slider (31) all are provided with elastic pin (34), go up slider (31) and be located between two first locking seats (51) and with two first trip (53) cooperate.

4. The elastic mechanism for product aging test equipment according to claim 1, wherein: the lower needle module (1) comprises a lower needle plate (11), a lower needle block (12) is arranged on the lower needle plate (11), a plurality of lower probes (10) are arranged on the lower needle block (12), the product carrier plate (2) is connected with the lower needle plate (11) through a plurality of first equal-height screws (13), and a plurality of floating springs (14) are arranged between the lower needle plate (11) and the product carrier plate (2).

5. The elastic mechanism for product aging test equipment according to claim 4, wherein: the second floating locking assembly (6) comprises second locking seats (61) symmetrically arranged on the front side and the rear side of the lower needle plate (11), second locking blocks (62) are hinged to the inner sides of the second locking seats (61), second clamping hooks (63) are arranged on the inner sides of the second locking blocks (62), second breaking sheets (64) are arranged on the outer sides of the second locking blocks (62), and second springs (65) are arranged between the second locking blocks (62) and the second locking seats (61).

6. The elastic mechanism for product aging test equipment according to claim 4, wherein: limiting blocks (7) are arranged on two sides of two ends of the product placement position (4), and the limiting blocks (7) are matched with the upper needle module (3); the two sides of the lower needle plate (11) are provided with limit strips (8), the limit strips (8) are arranged on the lower needle plate (11) through second equal-height screws (9), and the second equal-height screws (9) are sleeved with compression springs.

7. The elastic mechanism for product aging test equipment according to claim 2, wherein: the inner side of the upper end of the first locking block (52) is provided with a guide inclined plane (57) matched with the upper needle module (3).

8. The elastic mechanism for product aging test equipment according to claim 5, wherein: the inner side of the upper end of the second locking block (62) is provided with a guide cambered surface (66) matched with the product carrier plate (2).

9. A spring mechanism for a product burn-in apparatus according to claim 3, wherein: the upper needle block (33) is detachably arranged at the lower end of the upper sliding block (31), a plurality of guide pins (35) are arranged at the lower end of the upper needle block (33), the guide pins (35) are matched with positioning holes (36) formed in the product carrier plate (2), and a plug connector (37) connected with the upper end of the upper probe (30) is arranged at the upper end of the upper sliding block (31).

10. The elastic mechanism for product aging test equipment according to claim 4, wherein: the lower needle block (12) is detachably arranged on the lower needle plate (11), a lower connecting plate (15) is arranged at the lower end of the lower needle plate (11), and the lower connecting plate (15) is connected with the lower end of the lower probe (10).

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