CN220289773U - Automatic down-pressing type PCB shielding test fixture - Google Patents

Abstract

The utility model relates to a PCB board processing and testing device, in particular to an automatic push-down type PCB board shielding test fixture, which includes: a box body, a cavity is provided in the box body; an upper cover is hinged with the box body, And used to open and close the cavity; a linear cylinder is connected to the box, and the piston end of the linear cylinder is connected to the upper cover, so that the piston end drives the opening and closing of the upper cover during the expansion and contraction process. The cavity; the control switch, which is arranged on the box seat at the lower end of the box, is used to control the expansion and contraction of the linear cylinder; and the PCB board testing fixture is arranged in the cavity, and the PCB board is fastened by the upper cover. The test fixture completes the detection of the PCB board and solves the problems of low automation, laborious operation and low efficiency of PCB board test due to manual pressing of the PCB board test fixture.

Description

Automatic down-pressing type PCB shielding test fixture

Technical Field

The utility model relates to a PCB processing and testing device, in particular to an automatic down-pressing type PCB shielding and testing jig.

Background

The existing PCB testing jig is tested by manually pressing the board, is low in automation, labor-consuming to operate and low in efficiency, and has potential safety hazards; the PCB board relates to the communication test of Bluetooth and wifi, and the current test fixture is open and is easy to be interfered by external signals, so that the performance effect of the PCB board cannot be tested, and therefore, the PCB board needs to be tested in a shielding environment; because of the existence of the shielding box, the design space of the PCB testing jig is small, and the cylinder is not suitable to be arranged in the shielding box independently; and because the variety of production is many, so the carrier plate of tool except can a carrier plate correspond the product of multiple model, can also dismantle fast, change and install another carrier plate. Thereby ensuring high-efficiency operation of production.

Disclosure of Invention

The utility model aims to provide an automatic downward-pressing type PCB shielding test fixture, which solves the problems of low automation, laborious operation and low efficiency of PCB test caused by manual pressing plate test adopted by the PCB test fixture.

In order to solve the technical problems, the utility model adopts the following technical scheme: comprising the following steps:

the box body is internally provided with a cavity;

the upper cover is hinged with the box body and is used for opening and closing the cavity;

the linear cylinder is connected with the box body, and the piston end of the linear cylinder is connected with the upper cover, so that the upper cover is driven to open and close the cavity in the process of stretching the piston end;

the control switch is arranged on the box seat at the lower end of the box body and used for controlling the linear cylinder to stretch; and

PCB board test fixture sets up in the cavity to make PCB board test fixture accomplish and detect the PCB board through upper cover lock

An automatic pressing type PCB shielding test fixture.

According to the further technical scheme, a vertical base fixing block which is arranged in parallel is arranged in the cavity, and the PCB testing jig is arranged on the base fixing block.

Still further technical scheme is, PCB board test fixture is including setting up the tool bottom plate on the base fixed block, be equipped with the PCB carrier plate on the tool bottom plate, be equipped with the slide rail on the tool bottom plate, it is equipped with winding displacement pushing mechanism to slide on the slide rail, the last linkage gyro wheel B that is equipped with of winding displacement pushing mechanism, be equipped with the portal frame on the tool bottom plate, be equipped with gliding mounting disc from top to bottom on the portal frame, the one end of mounting disc orientation linkage gyro wheel B is equipped with linear briquetting, the vertical depression bar that is equipped with on the mounting disc, the top rotation of depression bar is equipped with linkage gyro wheel A down, the winding displacement pushing mechanism orientation one side of PCB carrier plate is equipped with winding displacement fast-assembling mechanism, the in-process of linear briquetting gliding with winding displacement pushing mechanism is inconsistent to make winding displacement pushing mechanism move towards the PCB carrier plate.

The technical scheme is that the flat cable quick-mounting mechanism comprises a pressing plate arranged on the flat cable pushing mechanism, and the pressing plate is fixedly connected with the flat cable pushing mechanism through bolts.

According to a further technical scheme, two vertically arranged slide columns are arranged on the portal frame, and two ends of the mounting plate are respectively sleeved on the slide columns in a sliding mode.

Compared with the prior art, the utility model has at least one of the following beneficial effects:

1. a sealed test space is formed by the buckled box body and the upper cover, and the sealed test space can shield external signals.

2. The upper cover is buckled to enable the PCB testing jig to finish detecting the PCB, and the problem that the clamp cannot be manually pressed down after the upper cover is closed is solved.

Drawings

Fig. 1 is a schematic structural diagram of an automatic pressing-down type PCB shielding test fixture according to the present utility model.

Fig. 2 is a schematic structural diagram of a PCB testing jig according to the present utility model.

Fig. 3 is a schematic structural diagram of a flat cable pushing mechanism in the present utility model.

Icon: the device comprises a 1-box body, a 2-upper cover, a 3-linear cylinder, a 4-control switch, a 5-base fixing block, a 6-jig bottom plate, a 7-PCB carrier plate, 8-sliding rails, a 9-flat cable pushing mechanism, 10-linkage rollers B, 11-portal frames, 12-mounting plates, 13-linear pressing blocks, 14-pressing rods, 15-linkage rollers A, 16-flat cable quick-mounting mechanisms, 17-pressing plates and 18-sliding columns.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Examples:

FIGS. 1-3 show a preferred embodiment of an automatic pressing-down type PCB shielding test fixture, which in the embodiment of the utility model, specifically comprises a box 1, wherein a cavity is arranged in the box 1;

an upper cover 2 hinged with the case 1 and used for opening and closing the cavity;

the linear air cylinder 3 is connected with the box body 1, and the piston end of the linear air cylinder 3 is connected with the upper cover 2, so that the upper cover 2 is driven to open and close the cavity in the process of stretching the piston end;

the control switch 4 is arranged on a box seat at the lower end of the box body 1 and used for controlling the linear cylinder 3 to stretch; and

the PCB testing jig is arranged in the cavity and is buckled through the upper cover 2 to finish the detection of the PCB.

In the utility model, the sealed test space is formed by the buckled box body 1 and the upper cover 2, and the sealed test space can shield external signals, and meanwhile, the PCB test jig is buckled by the upper cover 2 to finish the detection of the PCB, so that the problem that the clamp cannot be manually pressed down after the upper cover 2 is closed is solved.

The cavity is internally provided with a vertical base fixing block 5 which is arranged in parallel, and the PCB testing jig is arranged on the base fixing block 5.

The PCB test fixture comprises a fixture bottom plate 6 arranged on a base fixing block 5, a PCB carrier plate 7 is arranged on the fixture bottom plate 6, a slide rail 8 is arranged on the fixture bottom plate 6, a flat cable pushing mechanism 9 is arranged on the slide rail 8 in a sliding manner, a linkage roller B10 is rotatably arranged on the flat cable pushing mechanism 9, a portal frame 11 is arranged on the fixture bottom plate 6, a mounting plate 12 capable of sliding up and down is arranged on the portal frame 11, one end of the mounting plate 12, facing the linkage roller B10, is provided with a linear pressing block 13, a pressing rod 14 is vertically arranged on the mounting plate 12, a linkage roller A15 is rotatably arranged at the top of the pressing rod 14, a flat cable quick-mounting mechanism 16 is arranged at one side of the flat cable pushing mechanism 9, facing the PCB carrier plate 7, the flat cable pushing mechanism 9 is in contact with the flat cable pushing mechanism 9 in the sliding process, the flat cable pushing mechanism 9 is enabled to move towards the PCB carrier plate 7, the portal frame 11 is provided with two vertically arranged slide posts 18, two ends of the mounting plate 12 are respectively and slidably sleeved on the slide posts 18, the upper cover 2 is contacted with the linkage roller A15 and the linkage roller A15 is enabled to move downwards in the process of closing the upper cover 2, the lower pressure rod 14 is enabled to drive the mounting plate 12 to move downwards, the mounting plate 12 is enabled to drive the linear pressing block 13 to move downwards, the linear pressing block 13 is contacted with the linkage roller B10 in the downward moving process and pushes the linkage roller B10 to move towards one side of the PCB carrier 7, in particular the flat cable pushing mechanism 9 is stressed to slide on the slide rail 8, the sliding direction is towards one side of the PCB carrier 7 until the flat cable placed in the flat cable quick-mounting mechanism 16 is connected with the PCB board placed in the PCB carrier 7, at the moment, the contact of the detection component and the PCB board is completed while the upper cover 2 is closed, compared with the manual test fixture, the operation steps are saved, compared with other similar automatic test jigs, the shielding function is added, and the transmission structure saves the use of a pressing cylinder. The structure has strong applicability, and can ensure the production requirement of a test production line by replacing the PCB carrier plate 7 to quickly replace the test varieties.

The flat cable quick-mounting mechanism 16 comprises a pressing plate 17 arranged on the flat cable pushing mechanism 9, and the pressing plate 17 and the flat cable pushing mechanism 9 are fixedly connected through bolts, so that different flat cables can be conveniently mounted between the pressing plate 17 and the flat cable pushing mechanism 9.

The PCB carrier plate 7 can adapt to the arrangement of multiple product, and simultaneously PCB carrier plate 7 passes through pin and screw connection with tool bottom plate 6 to be fixed, can quick replacement PCB carrier plate 7 as required when production, and need not change detection tool and box 1, and is more convenient.

In the utility model, a spring can be sleeved on the sliding column 18 and arranged at the lower end of the mounting disc 12, so that the spring drives the mounting disc 12 to reset after the upper cover is opened.

Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.

Claims (5)

1. Automatic push-down PCB board shielding test fixture, its characterized in that includes: the box body (1), the cavity is arranged in the box body (1); the upper cover (2) is hinged with the box body (1) and is used for opening and closing the cavity; the linear cylinder (3) is connected with the box body (1), and the piston end of the linear cylinder (3) is connected with the upper cover (2) so as to drive the upper cover (2) to open and close the cavity in the process of stretching the piston end; the control switch (4) is arranged on a box seat at the lower end of the box body (1) and used for controlling the linear air cylinder (3) to stretch; and the PCB testing jig is arranged in the cavity and buckled through the upper cover (2) to finish the detection of the PCB.

2. The automatic pressing-down type PCB board shielding test fixture of claim 1, wherein: the cavity is internally provided with vertical base fixing blocks (5) which are arranged in parallel, and the PCB testing jig is arranged on the base fixing blocks (5).

3. The automatic pressing-down type PCB shielding test fixture of claim 2, wherein: the utility model provides a PCB board test fixture is including setting up tool bottom plate (6) on base fixed block (5), be equipped with PCB carrier plate (7) on tool bottom plate (6), be equipped with slide rail (8) on tool bottom plate (6), slide on slide rail (8) and be equipped with winding displacement push mechanism (9), it is equipped with linkage gyro wheel B (10) to rotate on winding displacement push mechanism (9), be equipped with portal frame (11) on tool bottom plate (6), be equipped with gliding mounting disc (12) from top to bottom on portal frame (11), one end of mounting disc (12) orientation linkage gyro wheel B (10) is equipped with linear briquetting (13), vertical being equipped with down depression bar (14) on mounting disc (12), the top rotation of depression bar (14) is equipped with linkage gyro wheel A (15), winding displacement push mechanism (9) orientation one side of PCB carrier plate (7) is equipped with winding displacement fast-assembling mechanism (16), the in-process of linear briquetting (13) lower slide with winding displacement push mechanism (9) is inconsistent, and makes winding displacement push mechanism (7) orientation PCB carrier plate (7).

4. The automatic pressing-down type PCB shielding test fixture of claim 3, wherein: the flat cable quick-mounting mechanism (16) comprises a pressing plate (17) arranged on the flat cable pushing mechanism (9), and the pressing plate (17) and the flat cable pushing mechanism (9) are fixedly connected through bolts.

5. The automatic pressing-down type PCB shielding test fixture of claim 3, wherein: two vertically arranged slide posts (18) are arranged on the portal frame (11), and two ends of the mounting plate (12) are respectively sleeved on the slide posts (18) in a sliding mode.