CN219349060U

CN219349060U - PCBA testing device

Info

Publication number: CN219349060U
Application number: CN202223593050.4U
Authority: CN
Inventors: 张兆衡; 付海龙; 苏永宏
Original assignee: Suzhou Feiku Technology Co ltd
Current assignee: Suzhou Feiku Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-07-14
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the technical field of detection equipment and discloses a PCBA (printed circuit board assembly) testing device which comprises a base and a test stitch plate, wherein an electric push rod is fixedly arranged on the surface of the top of the base, a supporting plate is fixedly arranged on the top of the electric push rod, a feeding device is arranged on the top of the supporting plate, the PCBA testing device limits the outer wall of the test plate through a fixed frame, the test plate is prevented from shifting during lifting, after the top of the fixed frame contacts with the bottom of the test stitch plate, the pressed part of the fixed frame enters an n-type telescopic cavity, the part above the supporting plate continues to limit the test plate, the test plate is prevented from shifting during the test, and the fixed plate, a groove, a reciprocating screw rod, a moving block and a guide plate are matched, so that the push plate is driven to move backwards during the starting of a motor, the test plate can accurately enter the fixed frame for detection no matter where the test plate is initially positioned, and the detection efficiency is accelerated.

Description

PCBA testing device

Technical Field

The utility model relates to the technical field of detection equipment, in particular to a PCBA testing device.

Background

With the rapid development of electronic industry automation, a large number of various programmable chips are created in the PCBA, namely, a PCB blank is subjected to SMT and then to the whole process of DIP plug-in, and in the batch production process of the PCBA, the produced PCBA cannot be guaranteed to be a perfect product due to various possible factors of equipment and operators, and at present, the test of the PCBA is an important link in the field of electronic manufacturing, and can judge whether a tested object achieves the initial design target.

The prior PCBA testing device is generally tested by contacting and communicating a test probe with the surface of a test board, for example, chinese patent with the bulletin number of CN209215534U is granted, and the PCBA testing device is disclosed, and the testing device is connected and disassembled by a mounting plate, a needle bed tool and a second mounting plate which are arranged through a first telescopic mechanism and a second telescopic mechanism, so that the degree of automation is high, and the testing efficiency is improved.

When foretell testing arrangement is placing the test board behind the support inside the groove, can't carry out effectual spacing to the test board, drive the in-process that the test board removed at telescopic machanism, perhaps all take place the displacement at the in-process of contact with the probe, lead to probe and the position of awaiting measuring to take place the deviation to lead to influencing PCBA's test result, and then lead to PCBA testing arrangement's test efficiency lower, in view of this, we propose a PCBA testing arrangement.

Disclosure of Invention

The utility model aims to provide a PCBA testing device which is used for solving 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 PCBA testing arrangement, includes base and test stitch board, base top surface fixed mounting has electric putter, electric putter top fixed mounting has the layer board, the layer board top is provided with loading attachment, loading attachment includes:

the n-type telescopic cavity is formed in the supporting plate, three telescopic rods are fixedly arranged on the inner bottom surface of the n-type telescopic cavity, springs are sleeved on the outer sides of the telescopic rods, n-type limiting plates are fixedly arranged at the tops of the telescopic rods, fixing frames are fixedly arranged at the tops of the telescopic n-type limiting plates, and the tops of the fixing frames penetrate through the inner wall of the supporting plate;

the fixing plate is fixedly arranged on the front side surface of the supporting plate, a groove is formed in the top surface of the fixing plate, a reciprocating screw rod is arranged in the groove, a moving block is connected to the outer side of the reciprocating screw rod in a threaded mode, sliding grooves are formed in the inner wall surfaces of the left side and the right side of the groove, rollers are arranged on the outer wall surfaces of the left side and the right side of the moving block, the rollers are located in the sliding grooves, and a pushing plate is fixedly arranged on the top surface of the moving block;

the motor is fixedly arranged on the front side surface of the fixed plate;

the number of the guide plates is two, the two guide plates are fixedly arranged on the left side and the right side of the top surface of the fixing plate, a rubber layer is arranged on one side surface of each guide plate, which is close to each other, and a through groove is formed in the left side surface of each guide plate.

Preferably, an output shaft of the motor penetrates through the inner wall of the fixing plate and is fixedly connected with the front side surface of the reciprocating screw rod, and the rear end of the reciprocating screw rod is fixedly connected with the rear side inner wall surface of the groove.

Preferably, one side of the roller far away from the center of the fixed plate is mutually attached to the surface of one side of the chute far away from the center of the fixed plate.

Preferably, the push plate is positioned in the through groove.

Preferably, the outer wall of the n-type limiting plate and the inner wall of the n-type telescopic cavity are mutually attached.

Preferably, the size of the fixing frame and the size of the test needle foot plate are mutually matched.

Compared with the prior art, the utility model provides a PCBA testing device, which has the following beneficial effects:

1. this PCBA testing arrangement carries out spacingly through the mount that sets up to the test board outer wall, avoids taking place the skew at the test board in the middle of going up and down, after the mount top took place to contact with test stitch board bottom, the mount can be received the extrusion part and get into inside the flexible chamber of n type, and the part that is located the layer board top then can continue to carry out spacingly to the test board, avoids taking place the skew at the test in-process test board to ensure the accuracy of test result.

2. This PCBA testing arrangement, through the cooperation of fixed plate, recess, reciprocating screw, movable block, deflector and the fixed plate that set up, drive the push pedal and move backward when the motor starts to will place the test board that the direction is right in the fixed plate top and push away inside the mount along fixed plate center department, make the test board no matter what position is located initially all can accurately get into inside the mount and detect, need not the manual work and carry out accurate calibration position, accelerated detection efficiency.

Drawings

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

FIG. 2 is a schematic view of the structure of the present utility model with a front side partially cut away;

FIG. 3 is a schematic diagram of the structure of the present utility model at A;

fig. 4 is a schematic front sectional view of the fixing plate of the present utility model.

In the figure: 1. a base; 2. testing the needle foot plate; 3. an electric push rod; 4. a supporting plate; 5. a feeding device; 501. an n-type expansion chamber; 502. a telescopic rod; 503. a spring; 504. an n-type limiting plate; 505. a fixing frame; 506. a fixing plate; 507. a groove; 508. a reciprocating screw rod; 509. a moving block; 510. a chute; 511. a roller; 512. a motor; 513. a guide plate; 514. a through groove; 515. a push plate; 516. and a rubber layer.

Detailed Description

As shown in fig. 1 to 4, the present utility model provides a technical solution: the PCBA testing device comprises a base 1 and a test pin board 2, wherein the test pin board 2 comprises: the size of the needle foot plate is three times that of the fixing frame 505, the needle foot plate can detect a test board, an electric push rod 3 is fixedly arranged on the surface of the top of the base 1, the electric push rod 3 is controlled to drive the supporting plate 4 to move downwards, so that the test board at the top of the supporting plate 4 moves upwards to be contacted with the test stitch plate 2, further, the test is carried out, the supporting plate 4 is fixedly arranged at the top of the electric push rod 3, and a feeding device 5 is arranged at the top of the supporting plate 4.

The loading attachment 5 includes: the n-type flexible cavity 501, the fixed plate 506, motor 512 and deflector 513, the inside at layer board 4 is seted up to the n-type flexible cavity 501, three telescopic link 502 is fixed to the inside bottom surface of n-type flexible cavity 501, the outside cover of telescopic link 502 is equipped with spring 503, the top fixed mounting of telescopic link 502 has n-type limiting plate 504, the outer wall of n-type limiting plate 504 and the inner wall of n-type flexible cavity 501 laminating each other, the top fixed mounting of telescopic n-type limiting plate 504 has mount 505, the size of mount 505 and the size of test needle sole 2 mutually support, the size of mount 505 and the inside probe scope size mutually support of test needle sole 2, the mount 505 and the size mutually support of test board, after the test board gets into inside of mount 505, the mount 505 can carry out spacing centre gripping to the outer wall of test board, avoid in the removal in-process that the test board takes place the skew influence testing result, the top of mount 505 runs through in the inner wall of test board 4 before the contact with the probe, the mount can contact with the test needle sole, and get into n-type cavity inside under the extrusion of the mount 505, but the size of mount 505 and the size of test board is located inside 4, but the inside the test board can still take place the test effect is kept away in the test board and the test board is shifted in the test process.

Fixed plate 506 fixed mounting is at the front side surface of layer board 4, the recess 507 has been seted up on the top surface of fixed plate 506, the inside reciprocating screw 508 that is provided with of recess 507, reciprocating screw 508's outside threaded connection has movable block 509, spout 510 has been seted up to the left and right sides inner wall surface of recess 507, the left and right sides outer wall surface of movable block 509 all is provided with gyro wheel 511, gyro wheel 511 is located spout 510 inside, one side that fixed plate 506 center department was kept away from to gyro wheel 511 and spout 510 keep away from one side surface laminating each other of fixed plate 506 center department, can drive movable block 509 and carry out the removal of fore-and-aft direction under the spacing of gyro wheel 511 and spout 510 when reciprocating screw 508 rotates, convert stiction into rolling friction through gyro wheel 511 that sets up for movable block 509 is more steady when removing.

The top surface fixed mounting of movable block 509 has push pedal 515, when movable block 509 moved the recess 507 rearmost, the back of push pedal 515 can be located same horizontal line with the front of mount 505, the test board just gets into inside the mount 505 this moment completely, push pedal 515 is located inside logical groove 514, can drive push pedal 515 and remove in step when movable block 509 moves, and then push the test board of placing in fixed plate 506 top to inside the mount 505, motor 512 fixed mounting is at the front side surface of fixed plate 506, the output shaft of motor 512 runs through the inner wall of fixed plate 506 and is connected with the front side surface fixed of reciprocating screw 508, the rear end of reciprocating screw 508 and the rear side inner wall fixed connection of recess 507, can drive reciprocating screw 508 and rotate when motor 512 starts.

The quantity of deflector 513 is two, two deflector 513 fixed mounting is in the top surface left and right sides of fixed plate 506, the side surface that deflector 513 is close to each other is provided with rubber layer 516, logical groove 514 has been seted up to the left side surface of deflector 513, avoid influencing the removal of push pedal 515 through setting up logical groove 514, lead to the height of groove 514 and be two-thirds of the test board, the removal of test board is led through the deflector 513 that sets up for the test board moves along the center of fixed plate 506, thereby inside accurate entering mount 505, and protect the test board through the rubber layer 516 that sets up, avoid the test board to receive the collision or wearing and tearing all around.

In the utility model, when the test board is used, the orientation is adjusted, the test board can be directly tested when entering the fixing frame 505, the motor 512 is started, the test board is driven to move to the rear side through the cooperation of the fixing board 506, the groove 507, the reciprocating screw 508, the moving block 509 and the pushing plate 515, meanwhile, the test board is protected through the guide board 513 and the rubber layer 516, and meanwhile, the test board moves along the center of the fixing board 506, so that the test board accurately enters the fixing frame 505, when the test board enters the fixing board 506, the fixing frame 505 can limit and clamp the outer wall of the test board, the test board is prevented from shifting to influence the detection result in the moving process, the fixing frame 505 can be contacted before the test board contacts with the probe, and the pin board is extruded to enter the n-type telescopic cavity 501, but the part above the supporting plate 4 still can limit the outer wall of the test board, and the test board is prevented from shifting to influence the detection effect in the test process.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a PCBA testing arrangement, includes base (1) and test stitch board (2), base (1) top surface fixed mounting has electric putter (3), electric putter (3) top fixed mounting has layer board (4), its characterized in that: the top of the supporting plate (4) is provided with a feeding device (5), and the feeding device (5) comprises:

the n-type telescopic cavity (501), the n-type telescopic cavity (501) is arranged in the supporting plate (4), three telescopic rods (502) are fixedly arranged on the inner bottom surface of the n-type telescopic cavity (501), springs (503) are sleeved on the outer sides of the telescopic rods (502), n-type limiting plates (504) are fixedly arranged at the tops of the telescopic rods (502), fixing frames (505) are fixedly arranged at the tops of the telescopic n-type limiting plates (504), and the tops of the fixing frames (505) penetrate through the inner wall of the supporting plate (4);

the fixing plate (506), fixed plate (506) fixed mounting is at the front side surface of layer board (4), recess (507) have been seted up on the top surface of fixed plate (506), the inside reciprocating screw (508) that is provided with of recess (507), the outside threaded connection of reciprocating screw (508) has movable block (509), spout (510) have been seted up on the left and right sides inner wall surface of recess (507), the left and right sides outer wall surface of movable block (509) all is provided with gyro wheel (511), gyro wheel (511) are located spout (510) inside, the top surface fixed mounting of movable block (509) has push pedal (515);

a motor (512), the motor (512) being fixedly installed on the front side surface of the fixed plate (506);

the guide plates (513), the quantity of guide plates (513) is two, two guide plates (513) fixed mounting are in the top surface left and right sides of fixed plate (506), one side surface that guide plates (513) are close to each other is provided with rubber layer (516), logical groove (514) have been seted up on the left side surface of guide plates (513).

2. The PCBA testing apparatus according to claim 1, wherein: an output shaft of the motor (512) penetrates through the inner wall of the fixed plate (506) and is fixedly connected with the front side surface of the reciprocating screw rod (508), and the rear end of the reciprocating screw rod (508) is fixedly connected with the rear side inner wall surface of the groove (507).

3. The PCBA testing apparatus according to claim 1, wherein: the roller (511) is mutually attached to the surface of one side of the chute (510) away from the center of the fixed plate (506).

4. The PCBA testing apparatus according to claim 1, wherein: the push plate (515) is positioned inside the through groove (514).

5. The PCBA testing apparatus according to claim 1, wherein: the outer wall of the n-type limiting plate (504) and the inner wall of the n-type telescopic cavity (501) are mutually attached.

6. The PCBA testing apparatus according to claim 1, wherein: the size of the fixing frame (505) and the size of the test pin board (2) are mutually matched.