CN223205608U - Testing device for circuit board - Google Patents

Abstract

The utility model discloses a testing device for a circuit board, which relates to the technical field of circuit boards and comprises a supporting plate, a motor and a testing machine main body, wherein the supporting plate is horizontally arranged and is uniformly connected with supporting legs at the lower side of the supporting plate, the motor is horizontally arranged at the upper side of the supporting plate through a fixing plate, the output end of the motor is coaxially connected with a rotating shaft, the rotating shaft is coaxially connected with a rotating disc, a circle of through grooves are uniformly distributed at the edge of the rotating disc, a clamping structure is arranged at each through groove and used for clamping the circuit board to be tested, a blanking structure is arranged at the side of the rotating disc and used for disassembling the circuit board after the test, the testing machine main body is centrally arranged at the top of the fixing plate, the clamping structure comprises a connecting strip and a clamping strip, and the blanking structure comprises a telescopic cylinder and a blanking frame. The testing device reduces manual operation steps, completes automatic classification after testing, improves testing efficiency and saves manpower.

Description

Testing device for circuit board

Technical Field

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

Background

Electronic components such as resistors, capacitors, inductors, diodes and the like with various specifications are integrated on the circuit board, under the combined action of the electronic components, the circuit board with various functions is formed, and after the circuit board is produced, a special circuit board testing device is needed to test the circuit board to reduce the rejection rate and improve the yield in order to ensure the product quality and prevent bad boards from flowing into the next procedure.

At present, most circuit board testing devices need to be manually placed on a circuit board to be tested and the detected circuit board is taken down when in use, and only after the tested circuit board is taken down, the next circuit board testing work can be performed, a single detection process needs to be separated by a certain time, the daily detection process needs to be manually operated frequently, the testing efficiency is influenced, and the manual workload is large.

Disclosure of utility model

The utility model aims to provide a testing device for a circuit board, which is used for solving the defects caused by the prior art.

The utility model provides a testing arrangement for circuit board, includes backup pad, motor and test machine main part, the backup pad level sets up and evenly is connected with the supporting legs in its downside, the motor passes through fixed plate horizontal installation in the upside of backup pad, the output coaxial coupling of motor has the axis of rotation to coaxial coupling has the rolling disc in the axis of rotation, the edge evenly distributed of rolling disc has the round through groove, and every through groove department all is equipped with the clamping structure and is used for clieing the circuit board that waits to test, the side of rolling disc is equipped with the unloading structure and is used for unloading the circuit board after the test, the test machine main part is installed in the top of fixed plate in the middle.

Preferably, the clamping structure comprises a connecting bar and clamping bars, the connecting bar is provided with a pair of connecting bars and is connected with two sides of the through groove in parallel, the connecting bar is connected with connecting columns in a sliding manner in the center, the two clamping bars are provided with a pair of connecting bars and are correspondingly connected to the two connecting columns, the side face of each clamping bar is provided with a clamping groove, the connecting columns are sleeved with compression springs between the connecting bar and the clamping bars, two ends of each clamping bar are symmetrically connected with a pair of guide columns, and the guide columns are connected with the connecting bars in a sliding manner.

Preferably, the blanking structure comprises a telescopic cylinder and a blanking frame, the telescopic cylinder is horizontally arranged on the side face of the fixed plate through a fixing frame, the blanking frame is of a C-shaped structure and is arranged at the telescopic end of the telescopic cylinder, two wedge-shaped blocks are symmetrically arranged at two ends of the blanking frame, a guide rod is vertically connected to the side face of the blanking frame, and the guide rod is in sliding connection with the fixing frame.

Preferably, a controller is arranged above the motor, a control circuit is led out from the side surface of the controller, and the control circuit is electrically connected with the motor, the main body of the testing machine and the telescopic cylinder respectively.

Preferably, the upside of backup pad is connected with a pair of board of placing, and the upside of every board of placing all can be dismantled and is connected with the collecting box, and two collecting boxes all are located the below of unloading frame and the symmetric distribution is on the left and right sides of rolling disc.

Preferably, a buffer plate is obliquely arranged in each collecting box.

Compared with the prior art, the utility model has the following advantages:

The motor drives the rotating shaft and the rotating disc to intermittently rotate by a certain angle, so that the clamped circuit boards to be tested are rotated to the position right below the main body of the testing machine one by one, the main body of the testing machine is utilized to detect the circuit boards, the detected circuit boards are rotated to the position of the blanking structure one by one, and the detected good products/defective products are correspondingly pushed into the corresponding collecting boxes through the expansion and contraction of the telescopic cylinders. Furthermore, during the standstill, the worker inserts the circuit board to be tested in the empty holding structure. The automatic classification method reduces manual operation steps, completes automatic classification after testing, improves testing efficiency and saves manpower.

Drawings

Fig. 1 is a first perspective view of the present utility model.

Fig. 2 is an enlarged partial schematic view at a in fig. 1.

Fig. 3 is a second perspective view of the present utility model.

Fig. 4 is a partially enlarged schematic view at B in fig. 3.

Fig. 5 is a third perspective view of the present utility model.

Fig. 6 is an enlarged partial schematic view at C in fig. 5.

Wherein:

11-supporting plate, 12-supporting leg, 13-fixing plate, 14-motor, 15-controller, 16-rotating shaft, 17-rotating disk, 17 a-through groove, 18-connecting bar, 19-connecting column, 20-clamping bar, 20 a-clamping groove, 21-compression spring, 22-guiding column, 23-testing machine main body, 24-control circuit, 25-fixing frame, 26-telescopic cylinder, 27-blanking frame, 28-wedge block, 29-guiding rod, 30-placing plate, 31-collecting box and 32-buffer plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 6, a testing device for a circuit board comprises a supporting plate 11, a motor 14 and a testing machine main body 23, wherein the supporting plate 11 is horizontally arranged and uniformly connected with supporting legs 12 at the lower side of the supporting plate, the motor 14 is horizontally arranged at the upper side of the supporting plate 11 through a fixing plate 13, the output end of the motor 14 is coaxially connected with a rotating shaft 16 and is coaxially connected with a rotating disc 17 on the rotating shaft 16, a circle of through grooves 17a are uniformly distributed on the edge of the rotating disc 17, a clamping structure is arranged at each through groove 17a and used for clamping the circuit board to be tested, a blanking structure is arranged at the side of the rotating disc 17 and used for unloading the tested circuit board, and the testing machine main body 23 is centrally arranged at the top of the fixing plate 13. The motor 14 drives the rotating shaft 16 and the rotating disc 17 to intermittently rotate by a certain angle, so that the clamped circuit boards to be tested are rotated to the position right below the main body 23 of the testing machine one by one, and the detected circuit boards are rotated to the position of the blanking structure one by one.

In this embodiment, the clamping structure includes a connecting bar 18 and clamping bars 20, the connecting bar 18 is provided with a pair of parallel connection on two sides of the through groove 17a, the center of the connecting bar 18 is slidably connected with a connecting post 19, the two clamping bars 20 are provided with a pair of corresponding connection on the two connecting posts 19, the side of each clamping bar 20 is provided with a clamping groove 20a, the connecting post 19 is sleeved with a compression spring 21 between the connecting bar 18 and the clamping bar 20, two ends of the clamping bar 20 are symmetrically connected with a pair of guide posts 22, and the guide posts 22 are slidably connected with the connecting bar 18. When the circuit board is placed between the pair of holding bars 20, the circuit board is held between the pair of holding grooves 20a by the elastic force of the compression springs 21 on both sides.

In this embodiment, the blanking structure includes a telescopic cylinder 26 and a blanking frame 27, the telescopic cylinder 26 is horizontally mounted on a side surface of the fixed plate 13 through a fixing frame 25, the blanking frame 27 is of a C-shaped structure and is mounted at a telescopic end of the telescopic cylinder 26, two ends of the blanking frame 27 are symmetrically provided with a pair of wedge blocks 28, a guide rod 29 is vertically connected to a side surface of the blanking frame 27, and the guide rod 29 is slidably connected with the fixing frame 25. When a certain clamping structure rotates to the side of the blanking frame 27 with the circuit board, the pair of clamping strips 20 are stretched by the stretching of the telescopic cylinder 26 and the pair of wedge-shaped blocks 28 in front of the telescopic cylinder 26, the detected (good) circuit board is pushed into the rear collecting box 31 by the backward-moving blanking frame 27, otherwise, the pair of clamping strips 20 are stretched by the shrinking of the telescopic cylinder 26 and the pair of wedge-shaped blocks 28 in back of the telescopic cylinder 26, and the detected (bad) circuit board is pushed into the front collecting box 31 by the forward-moving blanking frame 27.

In this embodiment, a controller 15 is disposed above the motor 14, a control circuit 24 is led out from a side surface of the controller 15, and the control circuit 24 is electrically connected to the motor 14, the tester main body 23, and the telescopic cylinder 26, respectively. The controller 15 performs joint control of the motor 14, the tester main body 23, and the telescopic cylinder 26 via a control line 24.

In this embodiment, a pair of placing plates 30 are connected to the upper side of the supporting plate 11, and a collection box 31 is detachably connected to the upper side of each placing plate 30, and the two collection boxes 31 are located below the blanking frame 27 and symmetrically distributed on the left and right sides of the rotating disc 17. The circuit boards detected as good are collected by one of the collection boxes 31, and the circuit boards detected as bad are collected by the other collection box 31.

In the present embodiment, a buffer plate 32 is obliquely installed in each of the collection boxes 31. After the detected circuit board is separated from the clamping structure, the circuit board slides into the collecting box 31 after being buffered by the buffer plate 32, so that the circuit board is prevented from being damaged or broken due to direct falling into the collecting box 31.

The working principle of the testing device for the circuit board is as follows:

The motor 14 drives the rotating shaft 16 and the rotating disc 17 to intermittently rotate by a certain angle, so that the clamped circuit boards to be tested are rotated to the position right below the main body 23 of the testing machine one by one, the main body 23 of the testing machine is utilized to detect the circuit boards, the detected circuit boards are rotated to the position of the blanking structure one by one, and the detected good/bad circuit boards are correspondingly pushed into the corresponding collecting boxes 31 through the expansion and contraction of the expansion and contraction cylinders 26. Furthermore, during the standstill, the worker inserts the circuit board to be tested in the empty holding structure. The automatic classification method reduces manual operation steps, completes automatic classification after testing, improves testing efficiency and saves manpower.

Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims (6)

1. The testing device for the circuit board is characterized by comprising a supporting plate (11), a motor (14) and a testing machine main body (23), wherein the supporting plate (11) is horizontally arranged and uniformly connected with supporting legs (12) at the lower side of the supporting plate, the motor (14) is horizontally arranged at the upper side of the supporting plate (11) through a fixing plate (13), the output end of the motor (14) is coaxially connected with a rotating shaft (16), the rotating shaft (16) is coaxially connected with a rotating disc (17), the edges of the rotating disc (17) are uniformly distributed with a circle of through grooves (17 a), each through groove (17 a) is provided with a clamping structure and used for clamping the circuit board to be tested, the side of the rotating disc (17) is provided with a blanking structure and used for discharging the tested circuit board, and the testing machine main body (23) is centrally arranged at the top of the fixing plate (13).

2. A test device for a circuit board according to claim 1, wherein the clamping structure comprises a connecting bar (18) and clamping bars (20), the connecting bar (18) is provided with a pair of guide posts (22) which are connected with two sides of the through groove (17 a) in parallel, the center of the connecting bar (18) is connected with the connecting posts (19) in a sliding manner, the two clamping bars (20) are provided with a pair of guide posts which are connected with the two connecting posts (19) correspondingly, the side surface of each clamping bar (20) is provided with the clamping groove (20 a), the connecting posts (19) are sleeved with compression springs (21) between the connecting bar (18) and the clamping bars (20), and two ends of each clamping bar (20) are symmetrically connected with the pair of guide posts (22) in a sliding manner between the guide posts (22) and the connecting bar (18).

3. The device for testing the circuit board according to claim 2, wherein the blanking structure comprises a telescopic cylinder (26) and a blanking frame (27), the telescopic cylinder (26) is horizontally arranged on the side face of the fixed plate (13) through a fixed frame (25), the blanking frame (27) is of a C-shaped structure and is arranged at the telescopic end of the telescopic cylinder (26), two ends of the blanking frame (27) are symmetrically provided with a pair of wedge-shaped blocks (28), the side face of the blanking frame (27) is vertically connected with a guide rod (29), and the guide rod (29) is in sliding connection with the fixed frame (25).

4. A test device for a circuit board according to claim 3, wherein a controller (15) is arranged above the motor (14), a control circuit (24) is led out from the side surface of the controller (15), and the control circuit (24) is electrically connected with the motor (14), the tester main body (23) and the telescopic cylinder (26) respectively.

5. A test device for a circuit board according to claim 3, wherein a pair of placing plates (30) are connected to the upper side of the supporting plate (11), and collecting boxes (31) are detachably connected to the upper side of each of the placing plates (30), and the two collecting boxes (31) are located below the blanking frame (27) and symmetrically distributed on the left and right sides of the rotating disc (17).

6. A test device for circuit boards according to claim 4, wherein a buffer plate (32) is mounted in each of the collection boxes (31) in an inclined manner.