CN222259408U

CN222259408U - A PCBA test fixture needle bed quick replacement device

Info

Publication number: CN222259408U
Application number: CN202420589454.6U
Authority: CN
Inventors: 万承保; 刘怀水; 王翠容
Original assignee: Shenzhen Qianzehao Technology Co ltd
Current assignee: Shenzhen Qianzehao Technology Co ltd
Priority date: 2024-03-26
Filing date: 2024-03-26
Publication date: 2024-12-27
Anticipated expiration: 2034-03-26

Abstract

The utility model discloses a rapid replacing device for a PCBA test fixture needle bed, which relates to the technical field of needle bed replacement and comprises a base, wherein a mounting plate is arranged in the base, a dismounting assembly is arranged on the inner wall of the base and comprises a pressing plate, the lower part of the pressing plate extends into the base through a pressing rod to be connected with a movable frame, an extrusion column is arranged in the movable frame, a movable block is arranged on the outer wall of the extrusion column, a movable plate is arranged on one side of the movable block, a connecting column is arranged on one side of the movable plate, and a mounting frame is arranged on one side of the connecting column. According to the utility model, the disassembly and assembly components are arranged, the pressing plate is pushed downwards, the pressing rod is driven to move downwards through the pressing plate, the limiting block is retracted inwards and separated from the limiting groove formed in the side wall of the mounting plate, then the spring telescopic rod pushes the mounting plate upwards to complete disassembly, otherwise, the mounting plate is pushed downwards, the mounting plate is limited through the limiting block, the mounting is completed, and the replacement efficiency is improved.

Description

PCBA test fixture needle bed quick replacement device

Technical Field

The utility model relates to the technical field of needle bed replacement, in particular to a PCBA test fixture needle bed quick replacement device.

Background

PCBA (printed Circuit Board) testing is an indispensable functional test in test systems for electronic and electrical products. In the batch production process of PCBA, it is impossible to ensure that the produced PCBA is a sound product due to various factors of equipment and operators, and various equipment and measuring tools are added at the production end to test the produced PCBA, so as to ensure that various specifications and parameters of the PCBA delivered and designed are completely consistent. The PCBA test is a test method for simulating the actual use condition by using a test tool, namely, connecting all external devices of the PCBA, enabling the external devices to work in various design states, and obtaining parameters of each state to verify the function of the PCBA. PCBA tests are mainly power supply part tests, output port (interface) tests, I/O read-write function tests of integrated circuit module ICs and other special function tests.

At present, the existing PCBA test fixture is connected with test equipment through a flat cable connector, when the connection method is used, the connector is required to be frequently plugged and unplugged when the fixture is required to be replaced, poor contact at an interface can be caused, the test effect is affected, when the PCBA test fixture is replaced, the replacement is troublesome and long in time consumption, the requirement on professional quality of operators is high, and the operation cost is increased.

The device comprises a base, wherein when the PCBA test jig is replaced, the replacement time is shortened to be within two minutes, the efficiency is improved, and meanwhile, when the PCBA test jig is replaced, the device is easy to operate, the requirements on professional quality of operators are reduced, and the labor cost is reduced.

However, the above technical scheme still has certain defects, when the replacement is performed, the unused needle bed is pulled out from the pressing groove, then the needle bed can be replaced properly, and the placing frame is required to be replaced at the same time of replacement, therefore, the rapid replacement device for the needle bed of the PCBA test fixture is provided.

Disclosure of utility model

Based on the above, the utility model aims to provide a rapid replacing device for a needle bed of a PCBA test fixture, so as to solve the technical problems in the background.

In order to achieve the purpose, the PCBA test fixture needle bed quick replacement device comprises a base, wherein a mounting plate is arranged inside the base, a dismounting assembly is arranged on the inner wall of the base, the dismounting assembly comprises a pressing plate, the lower portion of the pressing plate extends into the base through a pressing rod to be connected with a movable frame, an extrusion column is arranged inside the movable frame, a movable block is arranged on the outer wall of the extrusion column, a movable plate is arranged on one side of the movable block, a connecting column is arranged on one side of the movable plate, a mounting frame is arranged on one side of the connecting column, a limiting block is arranged inside the mounting frame, and a spring telescopic rod is arranged on one side of the limiting block.

As the preferred technical scheme of the PCBA test fixture needle bed quick replacement device, the extrusion column is fixedly arranged on the inner wall of the movable frame, the extrusion column is slidably arranged in the movable block, and a travel groove matched with the extrusion column is formed in the movable block.

As an optimal technical scheme of the rapid replacement device for the PCBA test fixture needle bed, one side of the moving block is fixedly connected with the moving plate, the moving plate is slidably arranged on the outer wall of the guide post, a spring is arranged between one side of the moving plate and the inner wall of the base, the spring is sleeved on the outer wall of the guide post, and two ends of the guide post are fixedly arranged on the inner wall of the base.

As an optimal technical scheme of the rapid replacement device for the PCBA test fixture needle bed, the connecting column is fixedly connected with the movable plate, one end of the connecting column extends into the mounting frame, and the mounting frame is fixedly mounted on the inner wall of the base.

As the preferred technical scheme of the PCBA test fixture needle bed quick replacement device, one side of the limiting block is in sliding connection with the connecting column, a spring is arranged between one end of the limiting block and the inner wall of the mounting frame, the spring is sleeved on the outer wall of the connecting column, and the other end of the limiting block extends to the outer wall of the base.

As an optimal technical scheme of the PCBA test fixture needle bed quick replacement device, a needle bed is arranged in the mounting plate, a plurality of groups of needles are fixed in the needle bed, a placing frame is arranged above the needle bed, and a telescopic column is arranged below the placing frame.

As the preferred technical scheme of the PCBA test fixture needle bed quick replacement device, the needle bed is fixedly connected with the mounting plate, the side wall of the mounting plate is provided with the limit groove matched with the limit block, the top end of the telescopic column is fixedly connected with the placing frame, the telescopic column is slidably arranged in the mounting plate, and a spring is arranged between the inner wall of the mounting plate and the telescopic column.

In summary, the utility model has the following advantages:

according to the utility model, the disassembly and assembly components are arranged, the pressing plate is pushed downwards, the pressing rod is driven to move downwards through the pressing plate, the limiting block is retracted inwards and separated from the limiting groove formed in the side wall of the mounting plate, then the spring telescopic rod pushes the mounting plate upwards to complete disassembly, otherwise, the mounting plate is pushed downwards, the mounting plate is limited through the limiting block, the mounting is completed, and the replacement efficiency is improved.

Drawings

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

FIG. 2 is a front view, split and cross-sectional view of the present utility model;

FIG. 3 is a front cross-sectional view of the base of the present utility model;

fig. 4 is a front cross-sectional view of the mounting plate of the present utility model.

In the figure, 1, a base; 2, mounting plate, 210, needle bed, 220, needle head, 230, placing frame, 240, telescopic column, 250, limit groove, 310, pressing plate, 320, pressing rod, 330, moving frame, 340, moving block, 350, pressing column, 360, moving plate, 370, guide column, 380, mounting frame, 390, connecting column, 3910, limit block, 3920 and spring telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-4 Show, including base 1, base 1 inside is provided with mounting panel 2, base 1 inner wall is provided with the dismouting subassembly, the dismouting subassembly includes clamp plate 310, clamp plate 310 below extends to base 1 inside and is connected with movable frame 330 through depression bar 320, movable frame 330 inside is provided with extrusion post 350, extrusion post 350 outer wall is provided with movable block 340, movable block 340 one side is provided with movable plate 360, movable plate 360 one side is provided with spliced pole 390, spliced pole 390 one side is provided with mounting frame 380, mounting frame 380 inside is provided with stopper 3910, stopper 3910 one side is provided with spring telescopic link 3920, extrusion post 350 fixed mounting is at movable frame 330 inner wall, extrusion post 350 slidable mounting is inside movable block 340, movable block 340 internally provided with extrusion post 350 assorted travel slot, movable block 340 one side and movable plate 360 fixed connection, movable plate 360 slidable mounting is at the guide post 370 outer wall, be provided with the spring between movable plate 360 one side and the base 1 inner wall, and the spring cup joints at the guide post 370 outer wall, guide post 370 fixed mounting is provided with spliced pole 390 at one end, guide post 370 fixed connection is at base 1 inner wall and the inner wall 390 fixed connection end of the stopper 3910, end of extension frame 390 fixed connection between movable post 380 and base 1 inner wall and the fixed connection frame 390, end fixed connection frame 10 is connected to one end of the inner wall of the stopper 3910.

The clamp plate 310 is pushed downwards, the pressing rod 320 is driven to move downwards through the clamp plate 310, meanwhile, the pressing rod 320 drives the moving frame 330 to move downwards, the pressing column 350 is driven to press the moving block 340 to move to one side through the moving frame 330 to move, meanwhile, the moving plate 360 is driven to move, the connecting column 390 is driven to move to one side through the moving plate 360, the connecting column 390 drives the limiting block 3910 to retract, the limiting block 3910 is separated from the limiting groove 250, the mounting plate 2 and the needle bed 210 can be detached, otherwise, the mounting plate 2 is moved downwards to press the limiting block 3910, after the limiting block 3910 is retracted, the mounting plate 2 is moved to a proper position, and the limiting block 3910 is reset through a spring to enter the inside of the limiting groove 250, so that the mounting is completed.

Referring to fig. 1, 3 and 4, a needle bed 210 is disposed inside a mounting plate 2, a plurality of needle groups 220 are fixed inside the needle bed 210, a placement frame 230 is disposed above the needle bed 210, a telescopic column 240 is disposed below the placement frame 230, the needle bed 210 is fixedly connected with the mounting plate 2, a limit groove 250 matched with a limit block 3910 is formed in a side wall of the mounting plate 2, the top end of the telescopic column 240 is fixedly connected with the placement frame 230, the telescopic column 240 is slidably mounted inside the mounting plate 2, and a spring is disposed between the inner wall of the mounting plate 2 and the telescopic column 240.

Placing the PCBA board inside the placing plate, moving the PCBA board downwards through manual work or machinery, when the placing plate moves downwards, driving the telescopic column 240 to extrude the spring, attaching with the needle 220, testing, and after testing, moving the placing plate upwards through the spring and the telescopic column 240.

When the device is used, the pressing plate 310 is pushed downwards, the pressing rod 320 is driven to move downwards through the pressing plate 310, meanwhile, the pressing rod 320 drives the moving frame 330 to move downwards, the pressing column 350 is driven to press the moving block 340 to move to one side through the moving frame 330 to move the moving plate 360, the connecting column 390 is driven to move to one side through the moving plate 360, the connecting column 390 drives the limiting block 3910 to retract, the limiting block 3910 is separated from the limiting groove 250, the mounting plate 2 and the needle bed 210 can be detached, otherwise, the mounting plate 2 is moved downwards, the limiting block 3910 is pressed, after the limiting block 3910 is retracted, the mounting plate 2 is moved to a proper position, the limiting block 3910 is reset into the limiting groove 250 through a spring to complete the installation, the PCBA board is placed in the placing plate, when the placing plate moves downwards through a manual or mechanical operation, the placing plate moves downwards, the telescopic column 240 is driven to press the spring to be attached to the needle 220, after the test is completed, the placing plate moves upwards through the spring and the telescopic column 240, and the non-related parts in the device are the same as or can be realized by the prior art.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The quick replacing device for the PCBA test fixture needle bed comprises a base (1) and is characterized in that a mounting plate (2) is arranged inside the base (1), and a dismounting assembly is arranged on the inner wall of the base (1);

The disassembly and assembly comprises a pressing plate (310), the lower part of the pressing plate (310) extends to the inside of a base (1) through a pressing rod (320) to be connected with a movable frame (330), an extrusion column (350) is arranged inside the movable frame (330), a movable block (340) is arranged on the outer wall of the extrusion column (350), a movable plate (360) is arranged on one side of the movable block (340), a connecting column (390) is arranged on one side of the movable plate (360), a mounting frame (380) is arranged on one side of the connecting column (390), a limiting block (3910) is arranged inside the mounting frame (380), and a spring telescopic rod (3920) is arranged on one side of the limiting block (3910).

2. The rapid PCBA testing jig needle bed replacement device as recited in claim 1, wherein the extrusion column (350) is fixedly installed on the inner wall of the movable frame (330), the extrusion column (350) is slidably installed inside the movable block (340), and a travel groove matched with the extrusion column (350) is formed inside the movable block (340).

3. The rapid PCBA test fixture needle bed replacing device according to claim 1, wherein one side of the moving block (340) is fixedly connected with the moving plate (360), the moving plate (360) is slidably mounted on the outer wall of the guide post (370), a spring is arranged between one side of the moving plate (360) and the inner wall of the base (1), the spring is sleeved on the outer wall of the guide post (370), and two ends of the guide post (370) are fixedly mounted on the inner wall of the base (1).

4. The rapid replacement device for the PCBA testing jig needle bed of claim 1, wherein the connecting column (390) is fixedly connected with the moving plate (360), one end of the connecting column (390) extends into the mounting frame (380), and the mounting frame (380) is fixedly mounted on the inner wall of the base (1).

5. The rapid PCBA testing jig needle bed replacement device of claim 1, wherein one side of the limiting block (3910) is in sliding connection with the connecting column (390), a spring is arranged between one end of the limiting block (3910) and the inner wall of the mounting frame (380), the spring is sleeved on the outer wall of the connecting column (390), and the other end of the limiting block (3910) extends to the outer wall of the base (1).

6. The rapid replacement device for the needle bed of the PCBA testing fixture of claim 1, wherein the mounting plate (2) is internally provided with the needle bed (210), a plurality of groups of needles (220) are fixed in the needle bed (210), a placing frame (230) is arranged above the needle bed (210), and a telescopic column (240) is arranged below the placing frame (230).

7. The rapid replacement device for the PCBA testing jig needle bed of claim 6, wherein the needle bed (210) is fixedly connected with the mounting plate (2), a limit groove (250) matched with the limit block (3910) is formed in the side wall of the mounting plate (2), the top end of the telescopic column (240) is fixedly connected with the placement frame (230), the telescopic column (240) is slidably mounted in the mounting plate (2), and a spring is arranged between the inner wall of the mounting plate (2) and the telescopic column (240).