CN213423398U

CN213423398U - Auxiliary device for circuit board test

Info

Publication number: CN213423398U
Application number: CN202022540435.9U
Authority: CN
Inventors: 华罗明; 邓小波; 孔盼盼
Original assignee: Ruima Guangzhou Electronic Technology Co ltd
Current assignee: Ruima Guangzhou Electronic Technology Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-11
Anticipated expiration: 2030-11-05

Abstract

The application relates to an auxiliary device for circuit board testing, the on-line screen storage device comprises a base, be provided with the support frame on the base, the base top is provided with the clamp plate, the support frame is provided with the drive clamp plate towards keeping away from or being close to the fixing device of base direction motion, the base is provided with a plurality of push-and-pull boards, spacing breach has been seted up to the push-and-pull board, spacing breach is used for stirring with switch components and parts and holds the joint, the push-and-pull board is fixed with and is used for driving a plurality of push-and-pull. This application has and realizes that the functional test frame can open a plurality of switches simultaneously and advance when carrying out circuit board functional test for the comparatively convenient effect of test of circuit board.

Description

Auxiliary device for circuit board test

Technical Field

The application relates to the technical field of circuit board function detection, in particular to an auxiliary device for circuit board testing.

Background

At present, after the circuit board is manufactured, the functions of the circuit board need to be tested to check whether the parts on the circuit board work normally.

At present, the circuit board functional test generally adopts the functional test frame, and the functional test frame generally includes base and tamp, will await measuring the circuit board and be fixed in the base surface through the tamp, and the base is provided with a plurality of probes just right with the test point of the circuit board that awaits measuring, during the test, operates the tamp earlier and makes the tamp fix the circuit board that awaits measuring on the base for the test point and the probe butt of circuit board, and the rethread shift knob control probe tests the function of each test point of circuit board.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when there are a plurality of switch components on the circuit board that tests, need open a plurality of whole switches before beginning the test to can test the circuit board, nevertheless need spend certain time through artifical stirring every switch, the operation is comparatively loaded down with trivial details, consequently needs to improve to this.

SUMMERY OF THE UTILITY MODEL

In order to make the functional test frame open a plurality of switches simultaneously when testing the circuit board that has a plurality of switch components and parts for the test of circuit board is comparatively convenient, this application provides a circuit board testing auxiliary device.

The application provides a circuit board test auxiliary device adopts following technical scheme:

the utility model provides an auxiliary device for circuit board test, includes the base, be provided with the support frame on the base, the base top is provided with the clamp plate, the support frame is provided with the fixing device who drives the clamp plate and keep away from or be close to the base direction motion towards, the base is provided with a plurality of push-and-pull boards, spacing breach has been seted up to the push-and-pull board, spacing breach is used for stirring end joint with switch components and parts, the push-and-pull board is fixed with and is used for driving a plurality of push-and-pull board simultaneous movement and promote a plurality of switch components and.

Through adopting above-mentioned technical scheme, when the staff used the function test jig to carry out the function test to the circuit board that awaits measuring, place the circuit board that awaits measuring on the base earlier, operation fixing device makes the clamp plate fix the circuit board that awaits measuring on the base surface, starts the driver, makes a plurality of push-and-pull board synchronous motion of driver drive, and then promotes the end of stirring of switch component in the spacing breach simultaneously and removes, realizes that the function test jig advances when carrying out the circuit board function test, can open a plurality of switches simultaneously, makes the test of circuit board comparatively convenient.

Preferably, the driving assembly comprises a limiting rod and a driver, the limiting rod extends along two sides of the movement direction of the push-pull plate, one side of the limiting rod is fixedly connected with the driver, and the push-pull plates are fixed on one side of the limiting rod, which is far away from the driver.

Through adopting above-mentioned technical scheme, a plurality of push-and-pull board is all fixed in the setting of one side that the driver was kept away from to the gag lever post for when the driver drive gag lever post removal, the gag lever post removes and drives a plurality of push-and-pull board synchronous motion, and then realizes promoting the function of a plurality of switch components and parts simultaneously, reduces the use of driving source.

Preferably, the base is provided with a bearing platform for placing a circuit board to be tested, the bearing platform is located below the pressing plate and is located on the bearing platform, a plurality of sliding grooves for inserting a plurality of push-pull plates are formed in the side wall of the bearing platform, the sliding grooves are communicated with the upper surface of the bearing platform and correspond to the push-pull plates one to one, the limiting notch is formed in the top of the push-pull plate, an elastic assembly is arranged between the bottom of the bearing platform and the base, when the pressing plate fixes the circuit board to be tested on the surface of the bearing platform, the elastic assembly is in a compression state, the push-pull plates stretch out of the surface of the bearing platform, and when the pressing plate is far away from the circuit board to be tested.

By adopting the technical scheme, when the pressing plate fixes the surface of the circuit board to be tested on the surface of the bearing platform, the circuit board to be tested exerts an acting force on the bearing platform to enable the elastic device at the bottom of the bearing platform to generate shrinkage deformation, the bearing platform moves downwards, the push-pull plate extends out of the sliding groove and the sliding block is positioned in the limiting notch, then the driver is started to test the switch element, after the test is completed, the pressing plate is operated to enable the circuit board to be tested to be far away from the circuit board to be tested, the elastic component recovers elastic deformation at the moment, the bearing platform resets towards the direction of the pressing plate, the push-pull plate enters the sliding groove again, the protection of the push-pull plate when the push-pull plate is not in a working state is realized.

Preferably, the push-pull plate is vertically arranged.

Through adopting above-mentioned technical scheme, through the vertical setting of push-and-pull board, reduce the ascending area of seting up of spout width direction, and then reduce the spout and occupy the plummer area, the plummer be used for placing the area of the circuit board that awaits measuring great, and then make the area utilization of plummer higher.

Preferably, the actuator is fixed to the base surface.

Through adopting above-mentioned technical scheme, through fixing driver and base for the driver is difficult for taking place the offset at the in-process that promotes gag lever post and push-and-pull plate, influences the end of dialling of first component and parts and spacing breach joint, and then influences the test of circuit board function, has increased the stability of driver.

Preferably, the elastic component comprises a main connecting rod fixed at the bottom of the bearing table and an auxiliary connecting rod fixed on the base, the auxiliary connecting rod is arranged in a hollow mode, one end of the auxiliary connecting rod is open, the main connecting rod portion is inserted into the auxiliary connecting rod, a gap is reserved between the main connecting rod and the auxiliary connecting rod, a spring is fixed at the bottom of the auxiliary connecting rod, and the spring is sleeved on the portion, inserted into the auxiliary connecting rod, of the main connecting rod.

By adopting the technical scheme, when the bearing platform is pressed by the fixing device, the main connecting rod moves towards the bottom of the auxiliary connecting rod and extrudes the spring, and the spring generates compression deformation; when the sliding detection test of the switch component is completed, the fixing device is lifted, the elastic potential energy generated by the deformation of the spring pushes the main connecting rod to move towards the direction far away from the bottom of the auxiliary connecting rod, and when the spring returns to the normal state, the main connecting rod stops moving, so that the elastic telescopic function of the bearing table is realized, and the function that the push-pull plate is positioned in the sliding groove when the push-pull plate is not used is further realized.

Preferably, the limiting notch is U-shaped, and the opening direction of the limiting notch is vertical upwards.

Through adopting above-mentioned technical scheme, when the driver started, because the slider was located spacing breach and spacing breach opening is vertical upwards, the inner wall of spacing breach promoted the switch components and parts and removes, and spacing breach promotes the effect better to the end of stirring of switch components and parts.

Preferably, the limiting rod is an insulating rod, and the push-pull plate is an insulating plate.

Through adopting above-mentioned technical scheme, gag lever post and push-and-pull plate are insulating material and make for when the circuit board that awaits measuring the electric leakage condition appearing, the electric current is difficult to flow to the driver through push-and-pull plate and gag lever post and leads to the driver to burn out, and then plays the guard action to the driver, increases the life of driver.

Preferably, an anti-interference block for reducing electromagnetic wave interference is arranged on the surface of the circuit board to be tested, and the anti-interference block is positioned at one end, far away from the push-pull plate, of the circuit board to be tested; when the fixing device is pressed on the surface of the circuit board to be tested, the anti-interference block is staggered with the fixing device.

By adopting the technical scheme, the circuit board is easily interfered by external electromagnetic wave factors during function test, the anti-interference block is placed on the surface of the circuit board and is arranged in a staggered manner with the fixing device, so that the anti-interference block can reduce the interference of the external electromagnetic wave on the circuit board to be tested when the circuit board to be tested is tested, and the test result is accurate.

Preferably, the periphery of the anti-interference block is provided with an insulating shell, the anti-interference block is fixed in the insulating shell, one end of the insulating shell is open, and one end face of the anti-interference block is flush with the opening of the insulating shell.

Through adopting above-mentioned technical scheme, insulating casing's setting plays the demagnetization to the jam-proof piece for external electromagnetic wave is difficult for interfering with the jam-proof piece, and the one end terminal surface of jam-proof piece makes things convenient for the butt of jam-proof piece and the circuit board that awaits measuring with the setting of insulating casing's opening parallel and level.

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

1. the driver is started to drive the push-pull plates to move synchronously, so that the poking end of the switch element in the limiting notch is pushed to move simultaneously, and the function test frame can open a plurality of switches simultaneously when a circuit board is tested, so that the circuit board is tested conveniently;

2. the push-pull plates are all fixed on one side, away from the driver, of the limiting rod, so that when the driver drives the limiting rod to move, the limiting rod moves to drive the push-pull plates to move synchronously, the function of pushing a plurality of switch components simultaneously is achieved, and the use of a driving source is reduced;

3. the plummer resets towards the direction of clamp plate for in the push-and-pull plate enters into the spout once more, protection when realizing not being in operating condition to the push-and-pull plate, make the push-and-pull plate be difficult for receiving external destruction and damage, increase the life of push-and-pull plate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is an enlarged view of a in fig. 1.

Description of reference numerals: 1. a base; 11. a display screen; 12. a button; 2. a fixing device; 21. pressing a plate; 3. a bearing table; 31. a chute; 4. a drive assembly; 41. a driver; 42. a limiting rod; 43. a push-pull plate; 431. a limiting notch; 5. an elastic component; 51. a main connecting rod; 52. a secondary connecting rod; 6. an anti-interference block; 61. an insulating housing; 7. a circuit board to be tested; 71. a switch component 711 and a sliding block; 712. a fixed block; 8. a support frame.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses auxiliary device for testing circuit board. Referring to fig. 1, the device comprises a base 1 and a support frame 8, wherein the support frame 8 is fixed on the upper surface of the base 1, the base 1 is provided with a cuboid-shaped bearing table 3, a pressing plate 21 is arranged above the bearing table 3, and the support frame 8 is fixed with a fixing device for driving the pressing plate 21 to move towards the direction far away from or close to the base 1; the circuit board 7 to be tested is placed on the surface of the bearing table 3, when the pressing plate 21 moves to the limit position towards the direction close to the bearing table 3, the pressing plate 21 fixes the circuit board 7 to be tested on the surface of the bearing table 3, and the display screen 11 and the control button 12 for controlling the test program are installed on the surface of the base 1.

Referring to fig. 1 and 2, a driving assembly 4 and six vertically arranged push-pull plates 43 are fixed on a base 1, one ends of the push-pull plates 43 are fixedly connected with the driving assembly, the driving assembly 4 is used for pushing the six push-pull plates 43 to make synchronous linear motion along the width direction of a bearing platform, a U-shaped limiting notch 431 is formed in one end of each push-pull plate 43, which is far away from the driving assembly, and the opening direction of the U-shaped limiting notch 431 is vertically upward; the driving assembly 4 includes a driver 41 and a limiting rod 42, the driver 41 is fixedly connected to the base 1, the limiting rod 42 extends along two ends of a pushing direction of the driver, one side of the limiting rod 42 along a length direction is fixedly connected to the driver 41, six push-pull plates 43 are all fixed to one side of the limiting rod 42 away from the driver 41, and the six push-pull plates 43 are uniformly distributed along the length direction of the limiting rod 42. In this embodiment, the limiting rod 42 and the push-pull plate 43 are made of plastic, and besides this embodiment, the limiting rod 42 and the push-pull plate 43 may also be used; glass, ceramic, fiber and other materials.

Referring to fig. 2, six sliding grooves 31 are formed in the bearing table 3 in the width direction, the sliding grooves 31 communicate with the upper surface of the bearing table 3, the sliding grooves 31 and the circuit board 7 to be tested placed on the bearing table 3 are arranged at intervals, the push-pull plates 43 are partially inserted into the sliding grooves 31, the six sliding grooves 31 correspond to the six push-pull plates 43 one by one, and the limiting notches 431 are close to the upper surface of the bearing table 3.

Elastic component 5 is installed to the bottom of plummer 3, elastic component 5 includes four main connecting rods 51 fixed with plummer 3 bottom and is fixed in the vice connecting rod 52 in the base 1, main connecting rod 51 is located the top of vice connecting rod 52, vice connecting rod 52 stretches out in the base 1 surface, main connecting rod 51 is located four edges of plummer 3, vice connecting rod 52 cavity sets up and vice connecting rod 52 stretches out in the one end opening setting on base 1 surface, the bottom of vice connecting rod 52 is fixed with spring (not shown in the figure), main connecting rod 51 inserts vice connecting rod 52 and spring cup joint in main connecting rod 51, the bottom of vice connecting rod 52 and the one end that main connecting rod 51 stretches into vice connecting rod 52 leave the clearance.

The circuit board 7 to be tested is provided with a switch component 71, the switch component 71 comprises a sliding block 711 and a fixed block 712, when the fixing device 2 presses the circuit board 7 to be tested, the spring generates compression deformation, the push-pull plate 43 extends out of the sliding groove 31, the sliding block 711 is positioned in the limiting notch 431, and when the fixing device 2 is far away from the circuit board 7 to be tested, the spring is in a normal state, the push-pull plate 43 is positioned in the sliding groove 31, and the sliding block 711 is positioned right above the limiting notch 431; when the driver 41 drives the push-pull plate 43 to push the slider 711 to move to the limit position in the direction away from the driver 41, the driver 41 drives the push-pull plate 43 to move in the direction close to the driver 41, at this time, the push-pull plate 43 pushes the slider 711 to move in the direction close to the driver 41, and when the slider 711 moves to the start position, the servo motor is powered off to stop driving the push-pull plate 41 to move, so that the test of the switch component 71 is completed.

Referring to fig. 1, an anti-interference block 6 is placed on the surface of a circuit board 7 to be tested, the anti-interference block 6 is located at one end of the circuit board 7 to be tested, which is far away from a chute 31, and when the circuit board 7 to be tested is pressed by a fixing device 2, the anti-interference block 6 is dislocated with the fixing device 2; an insulating shell 61 is fixed on the periphery of the anti-interference block, the anti-interference block is fixed in the insulating shell 61, one end of the insulating shell 61 is provided with an opening, and one end face of the anti-interference block is flush with the opening of the insulating shell 61; in this embodiment, the interference preventing block is made of copper, and the insulating housing 61 is made of transparent plastic.

The implementation principle of the auxiliary device for circuit board testing in the embodiment of the application is as follows: when a worker uses the function testing frame to test the functions of the circuit board 7 to be tested, the six circuit boards 7 to be tested are firstly placed on the surface of the bearing table 3, so that the six circuit boards 7 to be tested and the six sliding grooves 31 are distributed at intervals, the fixing device 2 is operated, the pressing plate 21 is used for fixing the circuit board 7 to be tested on the surface of the bearing table 3, the circuit board 7 to be tested pushes the bearing table 3 to move downwards, the springs are in a compression state, meanwhile, the push-pull plate 43 extends out of the sliding grooves 31, and the sliding block 711 is located in.

The servo motor is started through the button 12, the servo motor pushes the limit rod 42, the limit rod 42 drives the push-pull plate 43 to move, and at the moment, the inner wall of the limit notch 431 pushes the sliding block 711 to move towards the direction far away from the driver 41; when the sliding block 711 slides to the limit position on the fixed block 712 in the direction away from the driver 41, the servo motor drives the push-pull plate 43 to move in the direction close to the cylinder, and further the inner wall of the limit notch 431 pushes the sliding block 711 to move in the direction close to the driver 41, when the push-pull plate 43 moves to the start position of the push-pull plate 43 in the direction close to the driver 41, the servo motor is de-energized, the push-pull plate 43 is stationary, that is, a reciprocating sliding process of the toggle end of the switch component 71 is completed, and the test data is displayed on the display screen 11.

After the test is finished, the fixing device 2 is operated to make the pressing plate far away from the bearing table 3, at the moment, the spring returns to the normal state, the push-pull plate 43 retracts into the sliding groove 31, the anti-interference block 6 is taken down, and the circuit board 7 to be tested is taken down from the bearing table 3.

The limiting notch 431 is arranged at the top of the push-pull plate 43, and the sliding block 711 is arranged right above the limiting notch 431, so that the function of pushing the sliding block 711 to slide back and forth by the push-pull plate 43 is realized.

The sliding groove 31 and the elastic component 5 are matched, so that when the function test frame is not used, the push-pull plate 43 is positioned in the sliding groove 31, the push-pull plate 43 is protected, the push-pull plate 43 is not easy to be damaged by the outside, and the service life of the push-pull plate 43 is prolonged.

Six push-pull plates 43 are all fixed in a gag lever post 42, and gag lever post 42 and the fixed setting of driver 41 reduce the use of driving source.

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 an auxiliary device is used in circuit board test, includes base (1), be provided with support frame (8) on base (1), base (1) top is provided with clamp plate (21), the support frame is provided with drive clamp plate (21) towards keeping away from or being close to fixing device (2) of base (1) direction motion, its characterized in that: the base (1) is provided with a plurality of push-pull plates (43), limiting notches (431) are formed in the push-pull plates (43), the limiting notches (431) are used for being clamped with the poking ends of the switch components, and the push-pull plates (43) are fixed with a plurality of switch component driving assemblies (4) which are used for driving the push-pull plates (43) to synchronously move and simultaneously push the circuit board (7) to be tested.

2. The auxiliary device for testing circuit board as claimed in claim 1, wherein: the driving assembly (4) comprises a limiting rod (42) and a driver (41), the limiting rod (42) extends along two sides of the movement direction of the push-pull plate (43), one side of the limiting rod (42) is fixedly connected with the driver (41), and the push-pull plates (43) are fixed on one side, away from the driver (41), of the limiting rod (42).

3. The auxiliary device for testing circuit board as claimed in claim 1, wherein: the base (1) is provided with a bearing platform (3) for placing a circuit board (7) to be tested, the bearing platform (3) is positioned below the pressing plate (21) and is provided with a plurality of sliding chutes (31) for inserting a plurality of push-pull plates (43), the sliding chutes (31) are communicated with the upper surface of the bearing platform (3), the sliding chutes (31) are in one-to-one correspondence with the push-pull plates (43), the limiting notches (431) are arranged at the tops of the push-pull plates (43), an elastic component (5) is arranged between the bottom of the bearing platform (3) and the base (1), when the pressing plate (21) fixes the circuit board (7) to be tested on the surface of the bearing platform (3), the elastic component (5) is in a compressed state, the push-pull plates (43) stretch out of the surface of the bearing platform (3), and when the pressing plate (21) is far away from the circuit board (7) to be tested, the elastic component (5) is in a normal state and the push-pull plate (43) is positioned in the sliding groove (31).

4. The auxiliary device for testing circuit board as claimed in claim 1, wherein: the push-pull plate (43) is vertically arranged.

5. The auxiliary device for testing circuit board as claimed in claim 2, wherein: the driver (41) is fixed on the surface of the base (1).

6. The auxiliary device for testing circuit board as claimed in claim 3, wherein: elastic component (5) are including being fixed in main connecting rod (51) of plummer (3) bottom and being fixed in vice connecting rod (52) of base (1), and vice connecting rod (52) set up and one end opening for cavity, main connecting rod (51) part is inserted in vice connecting rod (52) and main connecting rod (51) and the bottom of vice connecting rod (52) leaves the clearance, the bottom of vice connecting rod (52) is fixed with the spring, the spring cup joints the part that inserts vice connecting rod (52) in main connecting rod (51).

7. The auxiliary device for testing circuit board as claimed in claim 1, wherein: the limiting notch (431) is U-shaped, and the opening direction of the limiting notch (431) is vertical upwards.

8. The auxiliary device for testing circuit board as claimed in claim 2, wherein: the limiting rod (42) is an insulating rod, and the push-pull plate (43) is an insulating plate.

9. The auxiliary device for testing circuit board as claimed in claim 1, wherein: an anti-interference block (6) for reducing electromagnetic wave interference is arranged on the surface of the circuit board to be tested (7), and the anti-interference block (6) is positioned at one end, far away from the push-pull plate (43), of the circuit board to be tested (7); when the fixing device (2) is pressed on the surface of the circuit board (7) to be tested, the anti-interference block (6) is staggered with the fixing device (2).

10. The auxiliary device for testing circuit board as claimed in claim 9, wherein: the periphery of jam-proof piece (6) is provided with insulating casing (61), in jam-proof piece (6) were fixed in insulating casing (61), the one end opening setting of insulating casing (61), the one end terminal surface of jam-proof piece (6) and the opening parallel and level of insulating casing (61).