CN218998288U

CN218998288U - Detection jig for earphone PCBA board

Info

Publication number: CN218998288U
Application number: CN202320279641.XU
Authority: CN
Inventors: 江正红; 江建方
Original assignee: Shenzhen Meien Microelectronics Co ltd
Current assignee: Shenzhen Meien Microelectronics Co ltd
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-05-09
Anticipated expiration: 2033-02-02

Abstract

The utility model discloses a detection jig for an earphone PCBA board, which belongs to the field of PCBA board detection and comprises a device base, a bearing tray, a placing groove, a connecting rod, a top frame, a first sliding groove, a first motor, a first threaded rod, a first threaded sleeve, a sliding plate, a second sliding groove, a second motor, a second threaded rod and a second threaded sleeve, wherein the lower surface of the second threaded sleeve is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a mounting plate, and the center of the lower surface of the mounting plate is fixedly connected with a contact probe; through setting up of device base, tray, standing groove, connecting rod, top frame, first spout, first motor, first threaded rod, first thread bush, slide, second spout, second motor, second threaded rod, second thread bush, cylinder, mounting panel and contact probe, make the device detect a plurality of PCBA boards in proper order, and then improve the detection efficiency of device to the PCBA board as far as possible.

Description

Detection jig for earphone PCBA board

Technical Field

The utility model belongs to the technical field of PCBA board detection, and particularly relates to a detection jig for an earphone PCBA board.

Background

Most of the existing earphones have the functions of talking, adjusting volume, controlling music playing and the like, and the functions are controlled by a small PCBA control board. In the earphone production process, the PCBA board needs to be tested.

The detection procedure of PCBA board needs the manual work to need first to draw the sample at first at random from the product, then uses detection tool to detect, but current detection tool can only place the detection to a PCBA board once, places the detection to single PCBA board and takes out, puts into the PCBA board that awaits measuring again to constantly repeat, detection efficiency is lower.

Disclosure of Invention

The utility model aims to provide a detection jig for an earphone PCBA board, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a detection tool of earphone PCBA board, includes device base and holds the tray, the standing groove with hold the tray looks adaptation has been seted up at the center of device base upper surface, the equal fixedly connected with connecting rod in four corners department of device base upper surface, the one end fixedly connected with top frame of device base is kept away from to the connecting rod, first spout has all been seted up to the both sides of top frame inside wall, the equal fixedly connected with first motor in one side of first spout inside wall, the output fixedly connected with first threaded rod of first motor, the lateral wall threaded connection of first threaded rod has first thread bush, two fixedly connected with slide between the first thread bush, the second spout has been seted up to the lower surface of slide, one side fixedly connected with second motor of second spout inside wall, the output fixedly connected with second threaded rod of second motor, the lower surface fixedly connected with cylinder of second threaded sleeve, the output fixedly connected with of cylinder and the second threaded rod looks adaptation, the center fixedly connected with probe contact mounting panel under the mounting panel.

As a preferred embodiment, a lighting lamp is arranged on one side of the lower surface of the mounting plate.

As a preferable implementation mode, the upper surface of the bearing plate is uniformly provided with plate body placing grooves.

As a preferred implementation mode, the four corners of the lower surface of the device base are fixedly connected with supporting pads.

As a preferred implementation mode, an upper baffle is fixedly connected above the top frame, and transparent baffles are rotatably connected around the top frame.

As a preferred implementation mode, the periphery of the inner side wall of the placing groove is fixedly connected with a fixed cylinder, and the output end of the fixed cylinder is fixedly connected with a clamping plate.

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

the detection jig for the earphone PCBA board comprises a device base, a bearing tray, a placing groove, a connecting rod, a top frame, a first sliding groove, a first motor, a first threaded rod, a first threaded sleeve, a sliding plate, a second sliding groove, a second motor, a second threaded rod, a second threaded sleeve, an air cylinder, a mounting plate and a contact probe, wherein when the device is used, a plurality of PCBA boards to be detected are firstly placed on the upper surface of the bearing tray, then the bearing tray is placed in the placing groove, the first motor drives the first threaded rod to rotate, the first threaded sleeve and the sliding plate are driven to move along the first threaded rod, the second motor drives the second threaded rod to rotate, the second threaded sleeve and the air cylinder are driven to move, after the air cylinder is sequentially moved to the position above the PCBA boards to be detected, the air cylinder drives the mounting plate and the contact probe to descend, and the PCBA boards are abutted to detect, so that the device can sequentially detect the PCBA boards, and the detection efficiency of the device on the PCBA boards is improved as much as possible;

this earphone PCBA board's detection tool, through the setting of overhead gage and transparent baffle, after the bearing dish is placed in the standing groove, rotate transparent baffle and seal the device, and then avoid debris to fall to PCBA board in the testing process as far as possible, influence the detection effect.

Drawings

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

FIG. 2 is a schematic side cross-sectional view of the present utility model;

fig. 3 is a schematic view of the present utility model in front cross-section.

In the figure: 1. a device base; 2. a tray; 3. a placement groove; 4. a connecting rod; 5. a top frame; 6. a first chute; 7. a first motor; 8. a first threaded rod; 9. a first threaded sleeve; 10. a slide plate; 11. a second chute; 12. a second motor; 13. a second threaded rod; 14. a second threaded sleeve; 15. a cylinder; 16. a mounting plate; 17. a contact probe; 18. a lighting lamp; 19. a board body placing groove; 20. a support pad; 21. an upper baffle; 22. a transparent baffle; 23. a fixed cylinder; 24. and a clamping plate.

Detailed Description

The utility model is further described below with reference to examples.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-3, the utility model provides a detecting jig for earphone PCBA plates, which comprises a device base 1 and a supporting tray 2, wherein a placing groove 3 matched with the supporting tray 2 is arranged in the center of the upper surface of the device base 1, when the detecting jig is used, a plurality of PCBA plates to be detected are firstly placed on the upper surface of the supporting tray 2, then the supporting tray 2 is placed in the placing groove 3, four corners of the upper surface of the device base 1 are fixedly connected with connecting rods 4, one ends of the connecting rods 4 far away from the device base 1 are fixedly connected with a top frame 5, two sides of the inner side wall of the top frame 5 are respectively provided with a first sliding groove 6, one side of the inner side wall of the first sliding groove 6 is fixedly connected with a first motor 7, the output end of the first motor 7 is fixedly connected with a first threaded rod 8, the outer side wall of the first threaded rod 8 is in threaded connection with a first threaded sleeve 9, a sliding plate 10 is fixedly connected between the two first threaded sleeves 9, the first motor 7 drives the first threaded rod 8 to rotate and drives the first thread bush 9 and the sliding plate 10 to move along the first threaded rod 8, the lower surface of the sliding plate 10 is provided with a second sliding groove 11, one side of the inner side wall of the second sliding groove 11 is fixedly connected with a second motor 12, the output end of the second motor 12 is fixedly connected with a second threaded rod 13, the outer side wall of the second threaded rod 13 is in threaded connection with a second thread bush 14 matched with the second threaded rod 13, the lower surface of the second thread bush 14 is fixedly connected with an air cylinder 15, the second motor 12 drives the second threaded rod 13 to rotate and drives the second thread bush 14 and the air cylinder 15 to move, the output end of the air cylinder 15 is fixedly connected with a mounting plate 16, the center of the lower surface of the mounting plate 16 is fixedly connected with a contact probe 17, after the air cylinder 15 is sequentially moved above a PCBA plate to be detected, the air cylinder 15 drives the mounting plate 16 and the contact probe 17 to descend, and (5) abutting against the PCBA board for detection.

Further, a lighting lamp 18 is provided on one side of the lower surface of the mounting plate 16, and by the arrangement of the lighting lamp 18, when the contact probe 17 detects the PCBA board, the lighting lamp 18 can supplement light to the detection place.

Further, the upper surface of the tray 2 is evenly provided with the plate body placing grooves 19, the plate body placing grooves 19 are matched with the PCBA plates, the PCBA plates are placed in the plate body placing grooves 19 through the arrangement of the plate body placing grooves 19, and further deviation of the PCBA plates in the detection process is avoided as much as possible.

Further, all fixedly connected with supporting pad 20 in four corners department of device base 1 lower surface, through the setting of supporting pad 20, and then guarantee device overall stability.

Further, the top fixedly connected with overhead gage 21 of top frame 5, all rotate around of top frame 5 and be connected with transparent baffle 22, through the setting of overhead gage 21 and transparent baffle 22, place in standing groove 3 after, rotate transparent baffle 22 and seal the device when holding tray 2, and then avoid debris to fall to PCBA board in the testing process as far as possible, influence the detection effect.

Further, all around of standing groove 3 inside wall all fixedly connected with fixed cylinder 23, fixed cylinder 23's output fixedly connected with grip block 24, through fixed

cylinder

23 and 24 setting of grip block, after the holding tray 2 is placed inside standing groove 3, fixed cylinder 23 drives grip block 24 and carries out the centre gripping to holding tray 2, and then guarantees the stability of holding tray 2 as far as possible.

The working principle and the using flow of the utility model are as follows: firstly, when the device is used, firstly, a plurality of PCBA plates to be detected are placed in the plate body placing groove 19 on the upper surface of the tray 2, then the tray 2 is placed in the placing groove 3, after the tray 2 is placed in the placing groove 3, the fixed cylinder 23 drives the clamping plate 24 to clamp the tray 2, so that stability of the tray 2 is ensured as much as possible, after the tray 2 is placed in the placing groove 3, the transparent baffle 22 is rotated to seal the device, sundries in the detection process are prevented from falling onto the PCBA plates as much as possible, the detection effect is influenced, the first motor 7 drives the first threaded rod 8 to rotate, the first threaded sleeve 9 and the sliding plate 10 are driven to move along the first threaded rod 8, the second motor 12 drives the second threaded rod 13 to rotate, the second threaded sleeve 14 and the cylinder 15 are driven to move, after the cylinder 15 is sequentially moved to the position above the PCBA plates to be detected, the cylinder 15 drives the mounting plate 16 and the contact probe 17 to descend, and the PCBA plates are contacted to detect.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a detection tool of earphone PCBA board, includes device base (1) and bearing dish (2), its characterized in that: the center of device base (1) upper surface has offered standing groove (3) with supporting dish (2) looks adaptation, the equal fixedly connected with connecting rod (4) in four corners department of device base (1) upper surface, one end fixedly connected with top frame (5) of device base (1) are kept away from to connecting rod (4), first spout (6) have all been seted up to the both sides of top frame (5) inside wall, the first motor (7) of one side of first spout (6) inside wall all fixedly connected with, the output fixedly connected with first threaded rod (8) of first motor (7), the lateral wall threaded connection of first threaded rod (8) has first thread bush (9), two fixedly connected with slide (10) between first thread bush (9), second spout (11) have been seted up to the lower surface of slide (10), one side fixedly connected with second threaded rod (12) of second spout (11) inside wall, the output fixedly connected with second motor (13) of second motor (12), the output fixedly connected with second threaded rod (13) and the second cylinder (14) of second threaded rod (13) and the second threaded rod (14) of second threaded rod (13) looks fixedly connected with the mounting panel (14), the center of the lower surface of the mounting plate (16) is fixedly connected with a contact probe (17).

2. The detection jig for an earphone PCBA board according to claim 1, wherein: one side of the lower surface of the mounting plate (16) is provided with an illuminating lamp (18).

3. The detection jig for an earphone PCBA board according to claim 1, wherein: the upper surface of the bearing plate (2) is uniformly provided with plate body placing grooves (19).

4. The detection jig for an earphone PCBA board according to claim 1, wherein: the four corners of the lower surface of the device base (1) are fixedly connected with supporting pads (20).

5. The detection jig for an earphone PCBA board according to claim 1, wherein: an upper baffle (21) is fixedly connected to the upper side of the top frame (5), and transparent baffles (22) are rotatably connected to the periphery of the top frame (5).

6. The detection jig for an earphone PCBA board according to claim 1, wherein: the periphery of the inner side wall of the placing groove (3) is fixedly connected with a fixed cylinder (23), and the output end of the fixed cylinder (23) is fixedly connected with a clamping plate (24).