CN215414281U

CN215414281U - PCBA vibration test anchor clamps

Info

Publication number: CN215414281U
Application number: CN202120951527.8U
Authority: CN
Inventors: 陈荣; 王绍茂; 付杰
Original assignee: Chongqing Xinxin Intelligent Technology Co ltd
Current assignee: Chongqing Xinxin Intelligent Technology Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-01-04
Anticipated expiration: 2031-05-06

Abstract

The utility model relates to a PCBA vibration test anchor clamps belongs to the experimental detection technology field of anti vibration, including anchor clamps vibration case, be provided with guide rail mounting bar and mother board on the lateral wall of anchor clamps vibration case, the mother board is used for installing the PCBA board, anchor clamps vibration case is just provided with the plug-in components panel that is used for installing PCBA to the lateral wall of mother board, it is provided with gliding mounting panel between mother board and plug-in components panel to slide in the anchor clamps vibration case, guide rail mounting bar and mother board setting are on the mounting panel, be provided with the fixing device who is used for fixing the mounting panel to arbitrary removal rear position on the anchor clamps vibration case. This application has the effect that improves the suitability of anchor clamps.

Description

PCBA vibration test anchor clamps

Technical Field

The application relates to the technical field of anti-vibration test detection, in particular to a PCBA vibration test fixture.

Background

Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, is a support for electronic components, and is a carrier for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing; PCBA is the abbreviation of English Printed Circuit Board Assembly, that is, PCBA is the abbreviation of PCBA when PCB blank Board is processed by SMT for loading or the whole process of DIP plug-in. After the PCB is printed, a vibration test is performed to detect the resistance of the circuit board components, parts and complete machine in the expected transportation and use environment.

At present, for example, the patent document of grant publication No. CN210347047U discloses a PCBA vibration test anchor clamps, including vibrating the anchor clamps case, the plug-in components panel and the mother board of laying of vibration anchor clamps incasement fixedly connected with subtend, the plug-in components panel can be dismantled with vibrating the anchor clamps case and be connected, the mother board is equipped with the female head of connector towards plug-in components panel one side, the public first looks adaptation of connector of female head of connector and PCBA board.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: above-mentioned anchor clamps can only carry out the centre gripping to the PCB board of specific model, and the suitability is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve the suitability of anchor clamps, this application provides a PCBA vibration test anchor clamps.

The application provides a PCBA vibration test anchor clamps adopts following technical scheme:

the utility model provides a PCBA vibration test anchor clamps, includes anchor clamps vibration case, be provided with guide rail mounting bar and mother board on the lateral wall of anchor clamps vibration case, the mother board is used for installing the PCBA board, anchor clamps vibration case is just being provided with the plug-in components panel that is used for installing PCBA to the lateral wall of mother board, it is provided with gliding mounting panel between mother board and plug-in components panel to slide in the anchor clamps vibration case, guide rail mounting bar and mother board setting are on the mounting panel, be provided with the fixing device who is used for fixing the mounting panel to arbitrary removal rear position on the anchor clamps vibration case.

By adopting the technical scheme, when the PCBA is clamped, the PCBA is installed on the plug-in panel, then the plug-in panel is installed on the side wall of the clamp vibration box, then the installation plate is slid according to the length of the PCBA, so that one end, far away from the plug-in panel, of the PCBA is installed on the motherboard, and then the installation plate is fixed through the fixing device; above-mentioned anchor clamps carry out the centre gripping to the PCBA board that different length just is less than anchor clamps vibration case inner chamber length, have improved the suitability.

Optionally, the edge of mounting panel is provided with the slider, set up on the diapire of anchor clamps vibration box and supply the gliding spout of slider, fixing device is including being used for fixing the slider to the mounting of spout optional position.

By adopting the technical scheme, the mounting plate drives the sliding block to slide when sliding, and the sliding block slides along the sliding groove, so that the PCBA is mounted on the mounting plate; the spout has the effect of direction to the slip of mounting panel, and then is convenient for install PCBA on the motherboard.

Optionally, the mounting includes the fixed block of slip setting on the slider, the fixed block is towards the slip of spout, be provided with the first driving piece that is used for driving the slider slip butt spout lateral wall on the slider.

By adopting the technical scheme, when the sliding block is fixed, the first driving piece drives the fixed block to slide and abut against the side wall of the sliding groove, so that the sliding block is fixed; the fixed block is fixed the slider and is had fixed effectual advantage.

Optionally, the first driving piece comprises a first lead screw in threaded connection with the sliding block, one end of the first lead screw is in an inverted cone shape, and the fixed block is abutted to the inverted cone end of the first lead screw.

Through adopting above-mentioned technical scheme, rotate first lead screw, first lead screw slides on the slider in the pivoted, and first lead screw slides and drives the fixed block and slide the butt on the lateral wall of spout, and then fixes the slider, and easy operation is convenient.

Optionally, the sliding block is a first T-shaped block, and the sliding groove is a first T-shaped groove matched with the first T-shaped block.

Through adopting above-mentioned technical scheme, under the effect in first T-shaped piece and first T-shaped groove, reduced the possibility that mounting panel and anchor clamps vibration box drop to test PCBA.

Optionally, the guide rail mounting bar slides and sets up on the mounting panel, the length direction of the edge mounting panel of guide rail mounting bar slides, be provided with on the mounting panel and be used for driving the gliding second driving piece of guide rail mounting bar.

Through adopting above-mentioned technical scheme, order about the guide rail mounting bar through the second driving piece and slide to in the PCBA board to different width and be greater than mother board length carries out the centre gripping, further improved the suitability.

Optionally, a second T-shaped block is arranged on the surface of the guide rail mounting bar close to the mounting plate, and a second T-shaped groove for the second T-shaped block to slide is formed in the mounting plate.

Through adopting above-mentioned technical scheme, under the effect in second T-shaped piece and second T-shaped groove, further reduced the possibility that mounting panel and anchor clamps vibration box drop to test PCBA.

Optionally, the second driving element includes a third lead screw rotatably connected to the mounting plate, and the second T-shaped block is connected to the third lead screw in a threaded manner.

Through adopting above-mentioned technical scheme, rotate the third lead screw, the third lead screw rotates and drives the second T-shaped piece and slide along the second T-shaped groove, and then adjusts the position of guide rail mounting bar, and easy operation is convenient.

Optionally, two guide rail mounting bars are symmetrically distributed along the central line of the long side of the motherboard, the third screw rod is a bidirectional screw rod, the rotating directions of the two ends of the bidirectional screw rod are opposite, and the T-shaped block is in threaded connection with the bidirectional screw rod.

Through adopting above-mentioned technical scheme, rotate two-way lead screw, two-way lead screw rotates the direction that drives two guide rail mounting bars orientation and is close to or keep away from and slides, and then fixes the PCBA board, has improved the fixed effect to anchor clamps.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the PCBA is clamped, the PCBA is installed on a plug-in panel, then the plug-in panel is installed on the side wall of the clamp vibration box, then the installation plate is slid according to the length of the PCBA, one end, far away from the plug-in panel, of the PCBA is installed on a mother plate, and then the installation plate is fixed through a fixing device; the PCBA boards with different lengths and smaller than the length of the inner cavity of the vibration box of the fixture are clamped by the fixture, so that the applicability is improved;

2. the mounting plate drives the sliding block to slide when sliding, and the sliding block slides along the sliding groove, so that the PCBA is mounted on the mounting plate; the sliding chute has a guiding function on the sliding of the mounting plate, so that the PCBA can be conveniently mounted on the motherboard;

3. rotate two-way lead screw, two-way lead screw rotates the direction that drives two guide rail mounting bars orientation and is close to or keep away from and slides, and then fixes the PCBA board, has improved the fixed effect to anchor clamps.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a mounting plate in an embodiment of the present application;

fig. 3 is an overall schematic diagram of an embodiment of the present application.

Description of reference numerals: 1. a clamp vibration box; 2. a guide rail mounting bar; 3. a motherboard; 4. PCBA board; 5. a card panel; 6. mounting a plate; 7. a slider; 8. a chute; 9. a fixing device; 91. a fixed block; 92. a first lead screw; 10. a second lead screw; 11. a handle; 12. a second T-shaped block; 13. a second T-shaped slot; 14. a second driving member; 141. a third lead screw; 142. an electric motor.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

The embodiment of the application discloses PCBA vibration test anchor clamps. Referring to fig. 1, the PCBA vibration test fixture comprises a fixture vibration box 1, a guide rail mounting strip 2 and a mother board 3 are arranged on the side wall of the fixture vibration box 1, the mother board 3 is used for mounting a PCBA board 4, a connector female head is mounted on the mother board 3, and one end of the PCBA board 4 is connected with a connector male head which is spliced with the connector female head; a plug-in panel 5 for mounting a PCBA (printed circuit board assembly) panel 4 is arranged on the side wall of the clamp vibration box 1, which is opposite to the motherboard 3, a mounting plate 6 which slides between the motherboard 3 and the plug-in panel 5 is arranged in the clamp vibration box 1 in a sliding manner, and the guide rail mounting strip 2 and the motherboard 3 are arranged on the mounting plate 6; when carrying out the centre gripping to PCBA board 4, install PCBA board 4 on plug-in components panel 5, install plug-in components panel 5 on the lateral wall of anchor clamps vibration box 1 afterwards, according to PCBA board 4's length sliding mounting panel 6, make PCBA board 4 keep away from the one end of plug-in components panel 5 and install on mother board 3 afterwards to carry out the centre gripping to PCBA board 4 of different length, improved the practicality of anchor clamps.

Referring to fig. 1, in order to guide the sliding of the mounting plate 6, a sliding block 7 is integrally formed at the edge of the mounting plate 6, and a sliding groove 8 for the sliding block 7 to slide is formed on the bottom wall of the clamp vibration box 1; the slide 7 slides along the slide groove 8, thereby guiding the mounting plate 6 to a desired place.

Referring to fig. 1, in order to reduce the possibility that the mounting plate 6 is separated from the jig vibration box 1, the slider 7 is a first T-shaped block, and the chute 8 is a first T-shaped groove engaged with the first T-shaped block.

In other embodiments, the first T-block may be replaced with a first dovetail block and the first T-slot may be replaced with a first dovetail slot for the same securing effect.

Referring to fig. 1 and 2, in order to fix the mounting plate 6, a fixing device 9 for fixing the mounting plate 6 to an arbitrary position after movement is arranged on the clamp vibration box 1, the fixing device 9 comprises a fixing member for fixing the sliding block 7 to an arbitrary position of the sliding chute 8, the fixing member comprises a fixing block 91 slidably arranged on the sliding block 7, and the fixing block 91 slides towards the sliding chute 8; after the mounting plate 6 is adjusted to a required position, the fixing block 91 is slid to enable the fixing block 91 to be abutted against the side wall of the sliding groove 8, so that the sliding block 7 is fixed, the fixing block 91 has the advantage of good fixing effect on the sliding block 7,

referring to fig. 1 and 2, in order to facilitate driving the fixed block 91 to slide, a first driving member for driving the sliding block 7 to slide and abut against the side wall of the sliding chute 8 is arranged on the sliding block 7, the first driving member includes a first lead screw 92 connected to the sliding block 7 by a thread, one end of the first lead screw 92 is in an inverted cone shape, the fixed block 91 abuts against the inverted cone end of the first lead screw 92, and one end of the fixed block 91, which is far away from the side wall of the sliding chute 8, is complementary to the inverted cone end of the first lead screw 92; when the first lead screw 92 is screwed, the first lead screw 92 slides simultaneously in the rotating process, and then the first lead screw is abutted to the fixed block 91, and the fixed block 91 is abutted to the side wall of the sliding chute 8.

Referring to fig. 3, in order to reduce the possibility of inclination of the mounting plate 6, a second lead screw 10 is connected to the side wall of the clamp vibration box 1 in a threaded manner, the length direction of the second lead screw 10 is perpendicular to the side wall of the clamp vibration box 1, a handle 11 is welded to one end of the second lead screw 10, and the other end of the second lead screw is rotatably connected to the mounting plate 6; the second lead screw 10 is rotated, the second lead screw 10 drives the mounting plate 6 to slide along the sliding groove 8, and the operation is simple and convenient; meanwhile, the second lead screw 10 has a certain supporting function on the mounting plate 6, so that the possibility of inclination of the mounting plate 6 is reduced.

Referring to fig. 1 and 2, in order to further improve the applicability of the clamp, the guide rail mounting bar 2 is slidably disposed on the mounting plate 6, the guide rail mounting bar 2 slides along the length direction of the mounting plate 6, a second T-shaped block 12 is integrally formed on the surface of the guide rail mounting bar 2 close to the mounting plate 6, and a second T-shaped groove 13 for the second T-shaped block 12 to slide is formed on the mounting plate 6; the second T-shaped block 12 slides, and the second T-shaped block 12 drives the guide rail mounting bar 2 to slide along the second T-shaped groove 13, so that the position of the guide rail mounting bar 2 is adjusted, and the PCBA board 4 is fixed.

In other embodiments, the second T-block 12 may be replaced with a second dovetail block and the second T-slot 13 may be replaced with a second dovetail slot for the same securing effect.

Referring to fig. 1 and 2, in order to facilitate sliding of the second T-shaped block 12, the mounting plate 6 is provided with a second driving member 14 for driving the guide rail mounting bar 2 to slide, the second driving member 14 includes a third lead screw 141 rotatably connected to the mounting plate 6, the second T-shaped block 12 is screwed on the third lead screw 141, and the third lead screw 141 is located in the second T-shaped groove 13; and the third screw 141 is rotated, and the third screw 141 rotates to drive the second T-shaped block 12 to slide along the second T-shaped groove 13, so that the operation is simple and convenient.

Referring to fig. 1 and 2, in order to facilitate rotation of the third lead screw 141, a motor 142 is fixedly mounted on the mounting plate 6 through a bolt, and the third lead screw 141 is coaxially connected to an output shaft of the motor 142 through a coupling.

Referring to fig. 1 and 2, in order to improve the stability of the PCBA board 4, two guide rail mounting bars 2 are symmetrically distributed along the central line of the long edge of the motherboard 3, the third lead screw is a bidirectional lead screw, the rotating directions of the two ends of the bidirectional lead screw are opposite, and the second T-shaped block 12 is in threaded connection with the threaded section of the bidirectional lead screw.

The implementation principle of PCBA vibration test anchor clamps of this application embodiment does:

when a vibration experiment is carried out on the PCBA 4, the PCBA 4 is installed on the plug-in panel 5, then the PCBA 4 is moved into the fixture vibration box 1, and the position of the installation plate 6 is adjusted according to the length of the PCBA 4, so that the connector male head of the PCBA 4 is connected with the connector female head of the motherboard 3; then, adjusting the distance between the two guide rail mounting strips 2 according to the width of the PCBA so as to mount the PCBA board 4; through adjusting above-mentioned interval in order to carry out the centre gripping to the PCBA board 4 of different shape numbers, improved the suitability.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a PCBA vibration test anchor clamps, includes anchor clamps vibration case (1), be provided with guide rail mounting bar (2) and mother board (3) on the lateral wall of anchor clamps vibration case (1), mother board (3) are used for installing PCBA board (4), anchor clamps vibration case (1) just is provided with plug-in components panel (5) that are used for installing PCBA board (4) to the lateral wall of mother board (3), its characterized in that: the utility model discloses a fixing device for fixing a mounting plate, including anchor clamps vibration case (1), the gliding mounting panel (6) of slide between mother board (3) and plug-in components panel (5) is provided with in anchor clamps vibration case (1), guide rail mounting bar (2) and mother board (3) set up on mounting panel (6), be provided with on anchor clamps vibration case (1) and be used for fixing mounting panel (6) to arbitrary fixing device (9) that remove the back position.

2. A PCBA vibration test fixture according to claim 1, in which: the edge of mounting panel (6) is provided with slider (7), offer on the diapire of anchor clamps vibration box (1) and supply gliding spout (8) of slider (7), fixing device (9) are including being used for fixing slider (7) to the mounting of spout (8) optional position.

3. A PCBA vibration test fixture according to claim 2, in which: the mounting sets up fixed block (91) on slider (7) including sliding, fixed block (91) are towards the slip of spout (8), be provided with the first driving piece that is used for driving slider (7) slip butt spout (8) lateral wall on slider (7).

4. A PCBA vibration test fixture according to claim 3, in which: first driving piece includes first lead screw (92) of threaded connection on slider (7), the one end of first lead screw (92) is the back taper, fixed block (91) and the back taper end butt of first lead screw (92).

5. A PCBA vibration test fixture according to claim 2, in which: the sliding block (7) is a first T-shaped block, and the sliding groove (8) is a first T-shaped groove matched with the first T-shaped block.

6. A PCBA vibration test fixture according to claim 1, in which: the guide rail mounting bar (2) slides and is arranged on the mounting plate (6), the guide rail mounting bar (2) slides along the length direction of the mounting plate (6), and a second driving piece (14) used for driving the guide rail mounting bar (2) to slide is arranged on the mounting plate (6).

7. A PCBA vibration test fixture as claimed in claim 6, in which: the guide rail mounting bar (2) is provided with a second T-shaped block (12) on the surface close to the mounting plate (6), and a second T-shaped groove (13) for the second T-shaped block (12) to slide is formed in the mounting plate (6).

8. A PCBA vibration test fixture as claimed in claim 7, in which: the second driving piece (14) comprises a third lead screw (141) which is rotatably connected to the mounting plate (6), and the second T-shaped block (12) is in threaded connection with the third lead screw (141).

9. A PCBA vibration test fixture as claimed in claim 8, in which: the guide rail mounting bars (2) are symmetrically distributed with two along the central line of the long edge of the motherboard (3), the third screw rods (141) are bidirectional screw rods, the rotating directions of the two ends of the bidirectional screw rods are opposite, and the T-shaped blocks are in threaded connection with the bidirectional screw rods.