Circuit board detection equipment

Abstract

The utility model discloses a circuit board detection device, which aims at conveniently clamping a circuit board and being compatible with circuit boards of various sizes, and adopts the technical scheme that the circuit board detection device comprises a base and a mounting plate arranged on the base, a plurality of blind holes are formed in the mounting plate, and the blind holes are communicated with the base. Positioning columns are arranged in part of the blind holes in a pluggable mode, annular grooves are formed in the peripheries of the positioning columns, the multiple positioning columns surround the circuit board, and the annular grooves of the positioning columns make contact with the side wall of the circuit board so as to fix the circuit board; a pressing plate is arranged above the mounting plate, a needle plate is detachably mounted on the pressing plate, a probe is arranged on the needle plate, and the pressing plate is driven by a driving device to ascend and descend so as to enable the probe to be in contact with a circuit board; the base is provided with a to-be-detected module, and the to-be-detected module is connected with the probe.

Description

Technical Field

[0001] The utility model belongs to the technical field of toy production, and more specifically relates to a circuit board detection device. Background Art

[0002] In motion toys, a circuit board is required to drive the motor in the toy. Therefore, after the circuit board is processed, it needs to be tested to determine whether the circuit board can drive the motor normally and whether the voltage and current when the motor is running meet the standards.

[0003] Currently, in factories, circuit boards are installed into a prefabricated tooling and fixed with clips. After the circuit boards are installed, they can be connected to the power supply and motor. Starting the power supply can drive the motor to run, thereby determining whether the circuit board can drive the motor to run. A multimeter is used to detect current and voltage to determine whether the voltage and current when the circuit board drives the motor are qualified. Since workers have to test a large number of circuit boards, the clip assembly method makes it very cumbersome for workers to clamp them. At the same time, this prefabricated tooling method is not compatible with circuit boards of various sizes and lacks flexibility. Utility Model Content

[0004] The main purpose of the utility model is to provide a circuit board detection device, which is designed to facilitate the clamping of circuit boards and is compatible with circuit boards of various sizes.

[0005] According to the first aspect of the utility model, a circuit board detection device is provided, including a base and a mounting plate arranged on the base, the mounting plate is provided with a plurality of blind holes, some of the blind holes are provided with positioning posts in a pluggable manner, the outer periphery of the positioning posts is provided with an annular groove, the plurality of positioning posts surround the circuit board, the annular groove of each positioning post contacts the side wall of the circuit board to fix the circuit board; a pressure plate is provided above the mounting plate, a needle plate is detachably mounted on the pressure plate, a probe is provided on the needle plate, the pressure plate is raised and lowered by a driving device to allow the probe to contact the circuit board; a module to be detected is provided on the base, and the module to be detected is connected to the probe.

[0006] In the above-mentioned circuit board detection equipment, the positioning column includes a first column and a second column connected in sequence from bottom to top, the outer diameter of the first column is smaller than the outer diameter of the second column, the outer diameter of the first column is adapted to the inner diameter of the blind hole, and the annular groove is arranged on the second column.

[0007] In the above-mentioned circuit board detection equipment, the circuit board is rectangular, and the positioning columns are divided into four columns, which correspond to the four side walls of the circuit board. One column of the positioning columns is made of an elastomer material, and the remaining positioning columns are made of a hard material.

[0008] In the above circuit board detection device, the pressing plate includes two side plates arranged horizontally at intervals and a main board connecting the two side plates. The main board is connected to the driving device, and screw rods are provided on the side plates. The screw rods on the two side plates cooperate to fix the needle board.

[0009] In the above circuit board detection device, at least two of the screw rods are arranged horizontally at intervals on one of the side plates.

[0010] In the above circuit board detection device, a U-shaped plate is provided at one end of the screw rod close to the needle board, and the U-shaped plate is stuck on the edge of the needle board.

[0011] One of the technical solutions in the above technical solutions of the present utility model has at least one of the following advantages or beneficial effects:

[0012] In the present utility model, the positioning posts can be inserted and removed at any time. Through the annular grooves on the positioning posts, the circuit board can be clamped, and the positioning posts can surround the circuit board to fix the circuit board and position the circuit board. It is very convenient to clamp; moreover, multiple blind holes are provided on the mounting plate, and the position of the positioning posts can be changed according to the actual shape of the circuit board, so that the positioning posts can form a shape adapted to the circuit board, so as to be applicable to circuit boards of different sizes and have better flexibility. Description of the Drawings

[0013] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0014] Figure 1 is the front view of the first embodiment of the present utility model;

[0015] Figure 2 is the top view of the mounting plate of the first embodiment of the present utility model when clamping a circuit board;

[0016] Figure 3 is the structural schematic diagram of the positioning post of the first embodiment of the present utility model;

[0017] Figure 4 is the top view of the pressing plate of the first embodiment of the present utility model.

[0018] Among them, the reference numerals of each figure:

[0019] 1. Base; 11. Support; 2. Mounting plate; 21. Blind hole; 3. Positioning post; 31. Annular groove; 32. First column; 33. Second column; 4. Pressing plate; 41. Side plate; 42. Main board; 43. Screw rod; 44. U-shaped plate; 5. Needle board; 51. Probe; 6. Driving device. Detailed Embodiments

[0020] The following describes embodiments of the present invention in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be understood as limiting the present invention.

[0021] The following disclosure provides many different embodiments or examples for implementing different solutions of the present invention.

[0022] Reference Figures 1 to 4 As shown, a circuit board detection device includes a base 1 and a mounting plate 2 arranged on the base 1, the mounting plate 2 is provided with a plurality of blind holes 21, and positioning posts 3 are provided in a pluggable manner in some of the blind holes 21. The outer periphery of the positioning posts 3 is provided with an annular groove 31. When in use, the plurality of positioning posts 3 surround the circuit board, and the annular groove 31 of each positioning post 3 contacts the side wall of the circuit board, so that the circuit board can be fixed, and the clamping is very convenient; and the mounting plate 2 is provided with a plurality of blind holes 21, and the position of the positioning posts 3 can be changed according to the actual shape of the circuit board, so that the positioning posts 3 can be surrounded into a shape adapted to the circuit board, so that it can be applied to circuit boards of different sizes, with better flexibility;

[0023] A pressure plate 4 is provided above the mounting plate 2, on which a needle plate 5 is detachably mounted, and on which a probe 51 is provided. The pressure plate 4 is driven by a driving device 6 to rise and fall so that the probe 51 comes into contact with the circuit board; a module to be detected (not shown in the figure) is provided on the base 1, and the module to be detected is connected to the probe 51; after the probe 51 comes into contact with the circuit board, the module to be detected can be started to detect the circuit board.

[0024] Specifically, the module to be tested includes a power supply, a motor, a voltmeter and an ammeter. When the probe 51 contacts the circuit board, it contacts the terminal on the circuit board. After the contact is completed, the power supply can be started to make the probe 51, the circuit board, the power supply and the motor conductive to observe whether the motor can run. At the same time, the voltmeter and ammeter are used to detect the voltage and current of the motor when it is running to determine whether it is qualified.

[0025] In this embodiment, the positioning column 3 includes a first column 32 and a second column 33 connected sequentially from bottom to top. The outer diameter of the first column 32 is smaller than the outer diameter of the second column 33. The outer diameter of the first column 32 is adapted to the inner diameter of the blind hole 21. The annular groove 31 is provided on the second column 33.

[0026] The first column 32 allows the positioning column 3 to be inserted into the blind hole 21 , while the second column 33 does not enter the blind hole 21 , ensuring that the second column 33 is exposed and the annular groove 31 can cooperate with the circuit board.

[0027] Generally, circuit boards are rectangular. Therefore, in this application, the positioning posts 3 are divided into four columns, and the four columns of positioning posts 3 correspond to the four side walls of the circuit board. One column of positioning posts 3 is made of an elastomer material, and the remaining positioning posts 3 are made of hard materials;

[0028] During use, place all the positioning posts 3. Since one column of positioning posts 3 is made of an elastomer material, this column of positioning posts 3 can be bent, then aligned with the annular grooves 31 of the other positioning posts 3, inserted into the circuit board. The annular grooves 31 of the positioning posts 3 in the same column cooperate to form a slot. The circuit board enters the slot, and then release the positioning posts 3 made of elastomer material, so that the annular grooves 31 of this column of positioning posts 3 are stuck to the circuit board, and the circuit board can be fixed, which is more simple to operate.

[0029] In this embodiment, the elastomer material can be rubber; the hard material can be acrylic or wood; while being able to fix the circuit board, it has insulating properties.

[0030] In this embodiment, a bracket 11 is provided on the base 1, the driving device 6 is fixed on the bracket 11, the pressing plate 4 includes two side plates 41 arranged horizontally at intervals and a main board 42 connecting the two side plates 41. The main board 42 is connected to the driving device 6. Screws 43 are provided on the side plates 41, and the screws 43 on the two side plates 41 respectively press against the pressing plate 4, and the needle board 5 can be fixed;

[0031] Two nuts are provided on the screw 43, and the two nuts cooperate to clamp the side plate 41, thereby fixing the screw 43. By adjusting the position of the nut, the extended length of the screw 43 can be adjusted. In this structure, needle boards 5 of different sizes can be fixed, which is convenient for replacing the needle board 5 corresponding to the circuit board.

[0032] Preferably, at least two screws 43 are arranged at intervals in the horizontal direction on one side plate 41, and the needle board 5 can be fixed more stably.

[0033] Preferably, a U-shaped plate 44 is provided at one end of the screw 43 close to the needle board 5. The U-shaped plate 44 is stuck to the edge of the needle board 5, and the U-shaped plates 44 on both sides can hold the needle board 5 to prevent the needle board 5 from falling.

[0034] In this embodiment, the driving device 6 can be a quick clamp or a cylinder.

[0035] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A circuit board testing device, characterized in that: It includes a base and a mounting plate disposed on the base. Multiple blind holes are provided on the mounting plate, and positioning posts are disposed in a pluggable manner in some of the blind holes. An annular groove is provided on the outer periphery of the positioning posts. The multiple positioning posts surround the circuit board, and the annular grooves of each positioning post contact the side wall of the circuit board to fix the circuit board; a pressing plate is provided above the mounting plate, and a needle board is detachably mounted on the pressing plate. Probes are provided on the needle board. The pressing plate is lifted and lowered under the drive of a driving device to make the probes contact the circuit board; a to-be-detected module is provided on the base, and the to-be-detected module is connected to the probes.

2. The circuit board detection device according to claim 1, characterized in that: The positioning post includes a first column body and a second column body that are butt-jointed in sequence from bottom to top. The outer diameter of the first column body is smaller than the outer diameter of the second column body. The outer diameter of the first column body is adapted to the inner diameter of the blind hole, and the annular groove is provided on the second column body.

3. The circuit board detection device according to claim 1, characterized in that: The circuit board is rectangular. The positioning posts are divided into four columns, and the four columns of positioning posts correspond to the four side walls of the circuit board. One column of the positioning posts is made of an elastic material, and the remaining positioning posts are made of a rigid material.

4. The circuit board testing device according to claim 1, characterized in that: The pressing plate includes two side plates arranged horizontally at intervals and a main board connecting the two side plates. The main board is connected to the driving device. Screws are provided on the side plates, and the screws on the two side plates cooperate to fix the needle board.

5. The circuit board testing device according to claim 4, characterized in that: At least two of the screws are arranged horizontally at intervals on one of the side plates.

6. The circuit board testing device according to claim 4, characterized in that: A U-shaped plate is provided at one end of the screw close to the needle board, and the U-shaped plate is stuck on the edge of the needle board.

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