CN219496581U - Automatic change circuit board testing arrangement - Google Patents

Abstract

The utility model discloses an automatic circuit board testing device, comprising: a test bench, a mounting frame is fixedly installed on the top of the test bench, the replacement assembly is fixedly installed on the bottom end of an electric push rod, a fixed frame, the replacement assembly The top of the spring is fixedly installed with a fixed frame, the inner wall of the fixed frame is penetrated by a replacement rod, and the end of the spring away from the fixed plate is fixedly connected with an insertion rod, and the insertion rod penetrates the outer wall of the replacement rod. The utility model installs the replacement assembly, pulls the pull plate to move towards the fixed plate, drives the insertion rod to move, the insertion rod is separated from the fixed frame and the replacement rod, and facilitates the removal of the needle bed. During installation, the needle bed is lifted to drive the replacement rod to penetrate the fixed frame The inner wall moves up, and after the pull plate is released, the spring pushes the insertion rod to move, penetrates the fixed frame and the outer wall of the replacement rod, and fixes the replacement rod. By installing the replacement component, it is easy to disassemble and install the replacement rod and replace the needle bed, which is convenient for different types of circuit boards Carry out tests and improve the practicability of circuit board test equipment.

Description

An automated circuit board testing device

technical field

The utility model relates to the technical field of circuit board testing devices, in particular to an automatic circuit board testing device.

Background technique

The circuit board is also called the circuit board. The circuit board can be called the printed circuit board or the printed circuit board. The rate is very high, so when testing the circuit board, an automatic circuit board testing device is used to test the circuit board. During the test, the probe at the bottom of the needle bed is used to connect to each detection point on the circuit board. Under the control of the detection software, the detection points and detection signals can be programmed, so as to test the information of the points and complete the automatic test of the circuit board.

However, when the existing automated circuit board testing device is in use, the needle bed is generally fixedly installed, which is inconvenient to replace the needle bed and to test different types of circuit boards, which reduces the practicability of the automated circuit board testing device.

Utility model content

The purpose of this utility model is to provide an automatic circuit board testing device to solve the problem that the existing automatic circuit board testing device proposed in the above background technology is inconvenient to replace the needle bed, and it is inconvenient to test different types of circuits. Technical issues with boards for testing.

In order to achieve the above purpose, the utility model provides the following technical solutions: an automatic circuit board testing device, comprising:

A test bench, the top of the test bench is fixedly equipped with a mounting frame;

A replacement component, the replacement component is fixedly installed at the bottom end of the electric push rod;

A fixed frame, a fixed frame is fixedly installed on the top of the replacement component, a replacement rod is installed through the inner wall of the fixed frame, and a limit block is fixedly installed on the outer wall of the replacement rod, and the top of the limit block and the bottom of the replacement component Fitting, the top of the replacement component is fixedly installed with a fixed plate, and the fixed plate is located on one side of the fixed frame, the outer wall of the fixed plate is fixedly installed with a spring, and the end of the spring far away from the fixed plate is fixedly connected with an insertion rod, and The insertion rod runs through the outer wall of the replacement rod, and a pull plate is fixedly installed on the top of the insertion rod, and a guide rod is installed through the outer wall of the pull plate, and one end of the guide rod is fixedly connected with the outer wall of the fixing plate, and the guide rod is located at top of the plunger.

Preferably, a support plate is fixedly installed on the inner wall of the test bench, and a chute is opened on the top of the support plate.

Preferably, an electric push rod is installed through the top of the installation frame.

Preferably, a needle bed is fixedly installed on the bottom of the replacement rod for testing the circuit board.

Preferably, a cleaning assembly is fixedly installed on the top of the test bench, a rotating motor is fixedly installed on the top of the cleaning assembly, and the output end of the rotating motor runs through the top of the cleaning assembly, and the outer wall of the output end of the rotating motor is fixedly installed with gear one, gear One meshes with the second gear, the outer wall of the second gear is installed with a rotating shaft, the outer wall of the rotating shaft is fixed with a brush, the inner wall of the cleaning component is fixed with a fixing frame, the inner wall of the fixing frame is fixed with a blower, and the top of the cleaning component is fixed. A fan is installed, and one end of the blow pipe above the cleaning component is connected through the outer wall of the fan.

Preferably, a servo motor is fixedly installed on the top of the support plate, the output end of the servo motor is fixedly connected to a screw, the outer wall of the screw is connected with a sliding block, and the bottom of the sliding block is attached to the top of the inner wall of the chute.

Preferably, a clamping frame is fixedly installed on the top of the sliding block, a splint is slidably installed on the inner wall of the clamping frame, a threaded rod is installed through the outer wall of the clamping frame, and one end of the threaded rod is attached to the outer wall of the splint.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model installs the replacement assembly, the replacement rod and the insertion rod, and pulls the pull plate to move in the direction close to the fixed plate, and drives the insertion rod to move, so that the insertion rod is separated from the fixed frame and the replacement rod, which is convenient for removing the needle bed and installing When the needle bed is lifted, the replacement rod penetrates the inner wall of the fixed frame and moves upwards. After the pull plate is released, the spring pushes the insertion rod to move, penetrates the fixed frame and the outer wall of the replacement rod, and fixes the replacement rod. By installing the replacement component, it is easy to disassemble, install and replace The needle bar is used to replace the needle bed, which is convenient for testing different types of circuit boards and improves the practicability of the circuit board testing device;

2. The utility model starts the rotating motor and the blower by installing the cleaning component, the rotating motor drives the gear one to rotate, the gear one drives the gear two to rotate, the gear two drives the rotating shaft to rotate, and the rotating shaft drives the brush to rotate, and the top of the circuit board is cleaned. Cleaning, when the circuit board continues to move to the bottom of the blower pipe, the blower blows air along the blower pipe to blow off the floating dust on the top of the circuit board, so as to realize the purpose of cleaning the circuit board and avoid more dust on the circuit board, which will affect the test results. Influence.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the front structure schematic diagram of the utility model;

Fig. 3 is a schematic diagram of the partial structure of the replacement assembly of the utility model;

Fig. 4 is a schematic view of the structure of the spring part of the utility model;

Fig. 5 is a structural schematic diagram of the replacement rod part of the utility model;

Fig. 6 is a schematic diagram of the partial structure of the cleaning assembly of the present invention;

Fig. 7 is a schematic diagram of the brush part of the present invention.

In the figure: 1, test stand; 101, support plate; 102, chute; 2, installation frame; 201, electric push rod; 3, replacement component; 301, fixed frame; 302, fixed plate; 303, spring; 304, Inserting rod; 305, pull plate; 306, guide rod; 307, replacement rod; 308, limit block; 4, needle bed; 5, cleaning component; 501, rotating motor; 502, gear one; 503, gear two; 504 , rotating shaft; 505, brush; 506, fixed frame; 507, fan; 508, blowing pipe; 6, servo motor; 602, screw rod; 603, sliding block; 7, clamping frame; 701, splint; 702, threaded rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "another end" The orientation or positional relationship indicated by ", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, so as to Specific orientation configurations and operations, therefore, should not be construed as limitations on the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise specified and limited, the terms "installed", "set with", "connected", etc. should be understood in a broad sense, such as "connected", which can be a fixed The connection can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Referring to Fig. 1, Fig. 2 and Fig. 6, an automated circuit board testing device includes: a test bench 1, a mounting frame 2 is fixedly installed on the top of the test bench 1, and an electric push rod 201 is installed through the top of the mounting frame 2, The number of installation groups of the electric push rod 201 is two groups, the bottom end of the electric push rod 201 is fixedly installed with the replacement assembly 3, the bottom of the replacement rod 307 is fixedly installed with the needle bed 4, and the bottom of the needle bed 4 is fixedly installed with several groups of probes , the top plate of the test bench 1 is fixedly installed with a console, the console is a computer, installed on the left side of the installation frame 2, and the console is electrically connected with the needle bed 4, and the inner wall of the test bench 1 is fixedly installed with a support plate 101, the support plate The top of 101 is provided with a chute 102, the top of the support plate 101 is fixedly installed with a servo motor 6, and the right end of the servo motor 6 is attached to the right inner wall of the test bench 1, and the output end of the servo motor 6 is fixedly connected with a screw rod 602 , and the left end of the screw rod 602 extends to fit the left inner wall of the test bench 1, the outer wall of the screw rod 602 is connected with a sliding block 603, the number of installation groups of the sliding block 603 is two groups, and the bottom of the sliding block 603 is connected with the The top of the inner wall of the chute 102 is attached, and the top cloth of the sliding block 603 runs through the top of the inner wall of the test bench 1, and extends to the top of the test bench 1. The top of the sliding block 603 is fixedly equipped with a clamping frame 7, and the clamping frame 7 is located at Above the test bench 1, the number of mounting groups of the clamping frame 7 is two groups. The clamping frame 7 is used to place the circuit board to be tested. A threaded rod 702 is installed through it, and one end of the threaded rod 702 is attached to the outer wall of the splint 701. By rotating the threaded rod 702, the splint 701 is pushed to move along the inner wall of the clamping frame 7, and the distance between the two groups of splints 701 is adjusted to facilitate alignment. Circuit boards of different sizes and types are clamped and fixed. By starting the servo motor 6, the circuit board is driven to move left and right along the top of the test bench 1. When the circuit board to be tested is moved to the bottom of the needle bed 4, the electric push rod 201 is activated. Push the replacement component 3 to drive the needle bed 4 to move downward, so that the probe contacts the test point on the outer wall of the circuit board. Under the control of the console, the detection point and detection signal can be programmed, and the test point at the contact point of the circuit board The result is transmitted to the needle bed 4 through the probe, and then transmitted to the controller, so that the inspector can obtain the information at the test point of the circuit board, and perform automatic testing on the circuit board.

Please refer to Fig. 3, Fig. 4 and Fig. 5, the replacement component 3 is fixedly installed on the bottom of the electric push rod 201, and the top of the replacement component 3 is fixedly installed with a fixed frame 301, and the number of installation groups of the fixed frame 301 is four groups, which are distributed near At the four corners of the top wall of the replacement assembly 3, a replacement rod 307 is installed through the inner wall of the fixed frame 301. The number of installation groups of the replacement rod 307 is four groups. The replacement rod 307 is a square rod, and the outer wall of the replacement rod 307 and the installation frame The inner wall of the replacement rod 307 is fixedly connected to the top plate of the needle bed 4, and the outer wall of the replacement rod 307 is fixedly installed with a limit block 308, and the top of the limit block 308 is attached to the bottom of the replacement assembly 3. The position block 308 is convenient to determine the installation position of the replacement rod 307 on the inner wall of the fixed frame 301. The top of the replacement component 3 is fixedly installed with a fixed plate 302, and the fixed plate 302 is located on the side of the fixed frame 301, and is installed between two sets of fixed frames 301 , the outer wall of the fixed plate 302 is fixedly installed with a spring 303, and one end of the spring 303 away from the fixed plate 302 is fixedly connected with an insertion rod 304, and the insertion rod 304 runs through the outer wall of the fixed frame 301 and the replacement rod 307, and the top of the insertion rod 304 is fixedly installed with Pull plate 305, the outer wall of pull plate 305 is installed with guide rod 306, one end of guide rod 306 is fixedly connected with the outer wall of fixed plate 302, and the other end of guide rod 306 is fixedly connected with the outer wall of installation frame, and guide rod 306 is positioned at inserting Above the rod 304, by installing the guide rod 306, it is beneficial to improve the stability when the pull plate 305 moves, thereby improving the stability when the insertion rod 304 moves. When replacing the needle bed 4, pull the two sets of pull plates 305 to approach the fixed plate Move in the direction of 302, drive the insertion rod 304 to move towards the direction close to the fixed plate 302, make the insertion rod 304 break away from the fixed frame 301 and the replacement rod 307, and the replacement rod 307 moves downward from the inner wall of the fixed frame 301, so as to facilitate the removal of the needle bed 4, During installation, pull the fixing plate 302 close to each other, lift the needle bed 4 to drive the replacement rod 307 to move upward through the inner wall of the fixing frame 301, and when the replacement rod 307 moves to the limit block 308 and the bottom of the replacement assembly 3 fits, release the pull plate 305, the spring 303 pushes the insertion rod 304 to move, penetrates the outer wall of the fixing frame 301 and the replacement rod 307, fixes the replacement rod 307, and then fixes the needle bed 4. By installing the replacement component 3, it is convenient to disassemble and install the insertion rod 304, and the needle bed 4 The replacement is convenient for testing circuit boards of different types and improves the practicability of the circuit board testing device.

Referring to Fig. 2, Fig. 6 and Fig. 7, a cleaning assembly 5 is fixedly installed on the top of the test bench 1, and the cleaning assembly 5 is located on the left side of the mounting frame 2, and a rotating motor 501 is fixedly installed on the top of the cleaning assembly 5, and the rotating motor 501 is installed At the edge of the cleaning assembly 5 top near the back, and the output end of the rotating motor 501 runs through the top of the cleaning assembly 5, the outer wall of the output end of the rotating motor 501 is fixedly equipped with a gear one 502, and the gear one 502 meshes with the gear two 503, and the gear two The outer wall of 503 is installed with rotating shaft 504 through, and the two ends of rotating shaft 504 are fitted with the inner wall of both sides of fixed frame 506 respectively, and the outer wall of rotating shaft 504 is fixedly installed with hairbrush 505, and rotating shaft 504 drives hairbrush 505 when rotating. Rotate, the inwall of cleaning assembly 5 is fixedly installed with fixed frame 506, and fixed frame 506 is installed on the side near mounting frame 2, and fixed frame 506 inwall is fixedly installed with blowing pipe 508, and fixed frame 506 is used for fixing blowing pipe 508, and blowing The bottom end of the pipe 508 protrudes obliquely downwards, the top of the cleaning assembly 5 is fixedly equipped with a fan 507, and the end of the blowing pipe 508 above the cleaning assembly 5 is connected through the outer wall of the fan 507. When the circuit board to be tested moves to the cleaning When the component 5 is below, start the rotating motor 501 and the blower 507, the rotating motor 501 drives the gear one 502 to rotate, the gear one 502 drives the gear two 503 to rotate, the gear two 503 drives the rotating shaft 504 to rotate, and the rotating shaft 504 drives the hairbrush 505 to rotate. The top of the circuit board is cleaned, and when the circuit board continues to move to the bottom of the blowing pipe 508, the blower 507 blows the airflow along the blowing pipe 508 to blow off the floating dust on the top of the circuit board, so as to realize the purpose of cleaning the circuit board and avoid dust on the circuit board more, which will affect the test results.

Working principle: When using an automatic circuit board testing device to test the circuit board, first place the circuit board on the inner wall of the clamping frame 7, turn the threaded rod 702 to push the splint 701 to move, clamp and fix the circuit board to be tested, and start The servo motor 6 drives the screw mandrel 602 to rotate, drives the sliding block 603 to move, thereby drives the circuit board to move, when the circuit board to be tested moves to the bottom of the cleaning assembly 5, start the rotating motor 501 and the blower 507, and the rotating motor 501 drives the gear one 502 Rotate, gear one 502 drives gear two 503 to rotate, gear two 503 drives rotating shaft 504 to rotate, drives hair brush 505 to rotate, cleans the top of the circuit board, blower 507 blows out the airflow along the blower pipe 508, blows the floating dust on the top of the circuit board To achieve the purpose of cleaning the circuit board, to avoid more dust on the circuit board, which will affect the test results, when the circuit board continues to move to the bottom of the needle bed 4, start the electric push rod 201, and push the replacement component 3 to drive the needle bed 4 Move down to make the probe contact with the test point on the outer wall of the circuit board. Under the control of the console, the detection point and detection signal can be programmed, and the test result at the contact point of the circuit board can be transmitted to the needle bed through the probe. 4. Then transmit it to the controller, so that the inspector can obtain the information at the test point of the circuit board, and conduct an automatic test on the circuit board. When it is necessary to test different types of circuit boards, pull the two sets of pull plates 305 to the direction close to the fixed plate 302 Move, and drive the insertion rod 304 to move towards the direction close to the fixed plate 302, so that the insertion rod 304 is separated from the fixed frame 301 and the insertion rod 304, and the insertion rod 304 moves downward from the inner wall of the fixed frame 301, so as to facilitate the removal of the needle bed 4, and then the corresponding The model needle bed 4 drives the insertion rod 304 to insert into the fixed frame 301. When the insertion rod 304 moves to the limit block 308 and fits the bottom of the replacement component 3, release the pull plate 305, and the spring 303 pushes the insertion rod 304 to penetrate the fixed frame 301 and the outer wall of the replacement rod 307, the replacement rod 307 is fixed, and then the needle bed 4 is fixed, which is convenient for dismounting and installing the insertion rod 304, and the needle bed 4 is replaced, which is convenient for testing different types of circuit boards and improves the practicality of the circuit board testing device. sex.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. An automated circuit board testing device, characterized in that, comprising: A test bench (1), the top of the test bench (1) is fixedly equipped with a mounting frame (2); A replacement component (3), the replacement component (3) is fixedly installed on the bottom end of the electric push rod (201); A fixed frame (301), the top of the replacement assembly (3) is fixedly installed with a fixed frame (301), the inner wall of the fixed frame (301) is installed with a replacement rod (307), and the replacement rod (307) A limit block (308) is fixedly installed on the outer wall, and the top of the limit block (308) is attached to the bottom of the replacement assembly (3), and a fixed plate (302) is fixedly installed on the top of the replacement assembly (3), and fixed The plate (302) is located on one side of the fixed frame (301), and the outer wall of the fixed plate (302) is fixedly equipped with a spring (303), and the end of the spring (303) away from the fixed plate (302) is fixedly connected with an insertion rod ( 304), and the insertion rod (304) runs through the outer wall of the replacement rod (307), the top of the insertion rod (304) is fixedly equipped with a pull plate (305), and the outer wall of the pull plate (305) is installed with a guide rod (306), one end of the guide rod (306) is fixedly connected to the outer wall of the fixing plate (302), and the guide rod (306) is located above the insertion rod (304). 2. A kind of automatic circuit board testing device according to claim 1, characterized in that: the inner wall of the test bench (1) is fixedly equipped with a support plate (101), and the top of the support plate (101) is provided with a chute (102). 3. An automated circuit board testing device according to claim 1, characterized in that: an electric push rod (201) is installed through the top of the installation frame (2). 4. An automated circuit board testing device according to claim 1, characterized in that: a needle bed (4) is fixedly installed on the bottom of the replacement rod (307). 5. A kind of automated circuit board testing device according to claim 1, characterized in that: the top of the test bench (1) is fixedly equipped with a cleaning assembly (5), and the top of the cleaning assembly (5) is fixedly installed with a rotating Motor (501), and the output end of rotating motor (501) runs through the top of cleaning assembly (5), and the output end outer wall of rotating motor (501) is fixedly installed with gear one (502), and gear one (502) and gear two ( 503) meshing, the outer wall of the gear two (503) is penetrated with a rotating shaft (504), the outer wall of the rotating shaft (504) is fixedly equipped with a hairbrush (505), and the inner wall of the cleaning assembly (5) is fixedly installed with a fixed frame (506 ), the inner wall of the fixed frame (506) is fixedly equipped with a blower (508), and the top of the cleaning assembly (5) is fixedly equipped with a fan (507), and the end of the blower (508) is located at the top of the cleaning assembly (5) and the blower ( 507) through the outer wall connection. 6. A kind of automatic circuit board testing device according to claim 2, is characterized in that: the top of described support plate (101) is fixedly installed with servomotor (6), and the output end of servomotor (6) is fixedly connected with The screw rod (602), the outer wall of the screw rod (602) is connected with a sliding block (603), and the bottom of the sliding block (603) is attached to the top of the inner wall of the chute (102). 7. A kind of automatic circuit board testing device according to claim 6, characterized in that: the top of the sliding block (603) is fixedly equipped with a clamping frame (7), and the inner wall of the clamping frame (7) is slidably installed There is a splint (701), and a threaded rod (702) is installed through the outer wall of the clamping frame (7), and one end of the threaded rod (702) is attached to the outer wall of the splint (701).