CN219162295U

CN219162295U - Circuit board test fixture

Info

Publication number: CN219162295U
Application number: CN202222598344.XU
Authority: CN
Inventors: 吴萍; 刘春华; 潘剑锋; 任贤妹; 刘杨
Original assignee: Jiangxi Yuyangsheng Electronic Technology Co ltd
Current assignee: Jiangxi Yuyangsheng Electronic Technology Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-06-09
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a circuit board testing jig which comprises a processing frame, wherein a conveying belt is fixedly arranged at the middle end position of the inner bottom wall of the processing frame, electric telescopic rods are fixedly arranged on the inner walls of two opposite sides of the processing frame, clamping plates are fixedly arranged at the movable ends of the electric telescopic rods, an electric sliding rail is fixedly arranged on the inner top wall of the processing frame, an adaptive sliding block is arranged on the electric sliding rail, a thimble is fixedly arranged on the lower end surface of the sliding block, a distance sensor is arranged on one side of the electric sliding rail, a control module is fixedly arranged on the outer wall of the processing frame, and the electric telescopic rods and the thimble are electrically connected with the control module and are in data connection with the control module. According to the utility model, the two electric telescopic rods are started, so that the movable ends of the two electric telescopic rods drive the two clamping plates to be close to or far away from each other, the device can clamp and fix circuit boards of different sizes, deviation is avoided during testing, and the test points on the circuit boards are tested through the arranged top.

Description

Circuit board test fixture

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a circuit board testing jig.

Background

The circuit board is generally referred to as a circuit board, and the names of the circuit board are as follows: ceramic circuit board, alumina ceramic circuit board, aluminium nitride ceramic circuit board, PCB board, aluminium base board, high frequency board, thick copper plate, impedance board, PCB, ultra-thin circuit board, printed (copper etching technique) circuit board etc. the circuit board makes circuit miniaturized, visual, plays an important role to the mass production of fixed circuit and the optimization of electrical apparatus overall arrangement, and the circuit board can be called printed wiring board or printed circuit board, and the rigid-flex circuit board is flexible circuit board and rigid circuit board, combines together through processes such as pressfitting according to relevant technological requirement, forms the circuit board that has FPC characteristic and PCB characteristic.

After the circuit board is prepared, voltage and current tests are required, the test points are very many, the test is carried out by manpower one by one, the efficiency is low, and omission occurs easily.

Therefore, the present application provides a circuit board testing fixture to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a circuit board testing jig for solving the problems that after a circuit board is prepared, voltage and current testing is needed, the testing points are very many, the testing is carried out by manpower one by one, the efficiency is low, and omission is easy to occur.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a circuit board test fixture, includes the processing frame, fixed mounting has the conveyer belt on the diapire middle-end position in the processing frame, fixed mounting has electric telescopic handle on the relative both sides inner wall of processing frame, the equal fixed mounting of expansion end of electric telescopic handle has splint, fixed mounting has electric slide rail on the processing frame inner roof, be provided with the slider of adaptation on the electric slide rail, terminal surface both sides fixed mounting cylinder under the slider, cylinder bottom fixed mounting has the thimble, electric slide rail one side is provided with distance sensor, fixed mounting has control module on the processing frame outer wall, electric telescopic handle, cylinder and thimble all with control module electric connection, distance sensor and control module data connection.

Further, the electric power input end of the electric telescopic rod is electrically connected with the electric power output end of the control module through a wire, the electric power input end of the thimble is electrically connected with the electric power output end of the control module through a wire, the electric power input end of the cylinder is electrically connected with the electric power output end of the control module through a wire, and the control module is electrically connected with a power supply.

Further, the signal output end of the distance sensor is in data connection with the signal receiving end of the control module.

Further, the two ends of the electric sliding rail are provided with anti-falling limiting blocks.

Further, rubber cushions are adhered and fixed on the clamping plates.

Furthermore, universal wheels are arranged at four corners of the lower end face of the processing frame.

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

according to the utility model, the two electric telescopic rods are started at the same time, so that the movable ends of the two electric telescopic rods drive the two clamping plates to be close to or far away from each other, the device can clamp and fix circuit boards of different sizes, deviation is avoided during testing, test points on the circuit boards are tested through the arranged top, the thimble can be driven to move left and right through the arranged electric sliding rail and sliding block, and thus, test treatment can be carried out on a plurality of test points on the same horizontal line on the circuit boards.

Drawings

FIG. 1 is a schematic diagram of a front view of a circuit board testing fixture;

fig. 2 is a schematic diagram of a rear view structure of a circuit board testing fixture.

In the figure: 10. a processing frame; 11. a conveyor belt; 12. an electric telescopic rod; 13. a clamping plate; 131. a rubber cushion; 14. an electric slide rail; 15. a slide block; 16. a thimble; 17. a distance sensor; 18. a control module; 19. an anti-drop limiting block; 20. a universal wheel; 21. and (3) a cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides the following technical solutions:

in this scheme, there is conveyer belt 11 through bolt fixed mounting in the end position in the diapire in handling frame 10, there is electric telescopic handle 12 through bolt fixed mounting on the inner wall of handling frame 10 both sides relatively, electric telescopic handle 12's active end all has splint 13 through bolt fixed mounting, there is electric slide rail 14 through bolt fixed mounting on the handling frame 10 inner roof, be provided with the slider 15 of adaptation on the electric slide rail 14, the terminal surface both sides are through bolt fixed mounting cylinder 21 under the slider 15, there is thimble 16 through bolt fixed mounting in the cylinder 21 bottom, electric slide rail 14 one side is provided with distance sensor 17, there is control module 18 through bolt fixed mounting on handling frame 10 outer wall, electric telescopic handle 12, cylinder 21 and thimble 16 all with control module 18 electric connection, distance sensor 17 and control module 18 data connection.

In addition, the electric power input end of the electric telescopic rod 12 is electrically connected with the electric power output end of the control module 18 through a wire, the electric power input end of the thimble 16 is electrically connected with the electric power output end of the control module 18 through a wire, the electric power input end of the cylinder 21 is electrically connected with the electric power output end of the control module 18 through a wire, and the control module 18 is electrically connected with a power supply.

The signal output end of the distance sensor 17 is in data connection with the signal receiving end of the control module 18.

When the automatic feeding device is used, the control module 18 is preset with a standard limit value, when the distance between the distance sensor 17 and the upper surface of the conveying belt 11 is smaller than the standard limit value, the conveying belt 11 is used for guiding materials normally, the distance sensor 17 transmits a measured result to the control module 18, after the control module 18 makes a judgment, the electric telescopic rod 12 is started, the clamping plate 13 clamps a circuit board to complete positioning and clamping, then the control module 18 starts the air cylinder 21, the air cylinder 21 drives the thimble 16 to lift, the processing end of the thimble 16 is in contact with a test point of the circuit board to complete testing operation, and when the distance between the distance sensor 17 and the conveying belt 11 is equal to the standard limit value, the conveying belt 11 is not used for guiding materials.

The electric sliding rail 14 is a sliding rail of the sliding block 15, so as to prevent the sliding block 15 from being separated from the original sliding rail when moving left and right, two ends of the electric sliding rail 14 are provided with anti-falling limiting blocks 19, and the sliding range of the sliding block 15 is limited by the arranged anti-falling limiting blocks 19.

Wherein, all bond and be fixed with rubber cushion 131 on splint 13, avoid splint 13 centre gripping circuit board to cause wearing and tearing to its surface through the rubber cushion 131 that sets up.

In order to facilitate the movement of the device, universal wheels 20 are arranged at four corners of the lower end surface of the processing frame 10, and the universal wheels 20 are of a lockable structure.

Working principle: when the device is used, the standard limit value is preset by the control module 18, when the distance between the distance sensor 17 and the upper surface of the conveying belt 11 is smaller than the standard limit value, the conveying belt 11 is used for guiding materials normally, when the distance between the distance sensor 17 and the conveying belt 11 is equal to the standard limit value, the conveying belt 11 is not used for guiding materials, the distance sensor 17 senses whether the conveying belt 11 is used for feeding or not, and when the conveying belt is used for feeding, the movable ends of the two electric telescopic rods 12 drive the two clamping plates 13 to be close to or far away from each other through starting the two electric telescopic rods 12, so that the device can clamp and fix circuit boards of different sizes, offset is avoided during testing, test points on the circuit boards can be tested through the set ejector pins 16, and the ejector pins 16 can be driven to move left and right through the set electric sliding rails 14 and the sliding blocks 15, so that test treatment can be carried out on a plurality of test points on the same horizontal line on the circuit boards.

The present utility model has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described.

Claims

1. The utility model provides a circuit board test fixture, includes processing frame (10), its characterized in that: the automatic feeding device is characterized in that a conveying belt (11) is fixedly installed at the middle end position of the inner bottom wall of the processing frame (10), electric telescopic rods (12) are fixedly installed on the inner walls of two opposite sides of the processing frame (10), clamping plates (13) are fixedly installed at movable ends of the electric telescopic rods (12), electric sliding rails (14) are fixedly installed on the inner top wall of the processing frame (10), an adaptive sliding block (15) is arranged on the electric sliding rails (14), air cylinders (21) are fixedly installed on two sides of the lower end face of each sliding block (15), ejector pins (16) are fixedly installed at the bottom end of each air cylinder (21), a distance sensor (17) is arranged on one side of each electric sliding rail (14), a control module (18) is fixedly installed on the outer wall of the processing frame (10), and each electric telescopic rod (12), each air cylinder (21) and each ejector pin (16) are electrically connected with the control module (18), and each distance sensor (17) is in data connection with the control module (18).

2. The circuit board testing jig of claim 1, wherein: the electric telescopic device is characterized in that the electric input end of the electric telescopic rod (12) is electrically connected with the electric output end of the control module (18) through a wire, the electric input end of the thimble (16) is electrically connected with the electric output end of the control module (18) through a wire, the electric input end of the air cylinder (21) is electrically connected with the electric output end of the control module (18) through a wire, and the control module (18) is electrically connected with a power supply.

3. The circuit board testing jig of claim 1, wherein: the signal output end of the distance sensor (17) is in data connection with the signal receiving end of the control module (18).

4. The circuit board testing jig of claim 1, wherein: anti-falling limiting blocks (19) are arranged at two ends of the electric sliding rail (14).

5. The circuit board testing jig of claim 1, wherein: rubber cushions (131) are adhered and fixed on the clamping plates (13).

6. The circuit board testing jig of claim 1, wherein: universal wheels (20) are arranged at four corners of the lower end face of the processing frame (10).