CN210894138U - An auto parts inspection device based on machine vision - Google Patents

Abstract

The utility model discloses an auto parts detection device based on machine vision, comprising a frame and an adjustment mechanism; the frame: a belt conveyor is arranged on the frame, and a U is arranged on the frame above the belt conveyor. The inner side wall and the top side of the U-shaped bracket are provided with three cameras, the rack is provided with a placement seat, and an industrial computer is placed on the placement seat; adjustment mechanism: the adjustment mechanism includes a servo motor First, the output shaft of the first servo motor is provided with a rotating shaft, and the side of the rotating shaft is provided with a clamp; wherein, the first servo motor is arranged on the rear side of the U-shaped bracket, and the front end of the rotating shaft penetrates through the bearing of the U-shaped bracket. The rear wall, the machine vision-based auto parts detection device can not affect the transmission efficiency of auto parts during detection, which is convenient for users to use, and can avoid the fixture from affecting the detection of auto parts clamped, and does not affect the auto parts. Comprehensive inspection of components.

Description

An auto parts inspection device based on machine vision

technical field

The utility model relates to the technical field of machine vision detection, in particular to an auto parts detection device based on machine vision.

Background technique

As the foundation of the auto industry, auto parts are a necessary factor to support the sustainable and healthy development of the auto industry, especially the independent development and innovation that is currently in full swing in the auto industry requires a strong parts system for support. Most auto parts inspections use manual inspections, which requires a large amount of labor. Moreover, due to the subjective will of individuals, the inspection standards are not easy to control, which wastes manpower and the inspection accuracy is not high. However, the traditional scanning inspection often ignores the detection of the bottom surface. Inspection, resulting in incomplete inspection, thereby affecting the qualification rate of the entire batch of products. In the existing inspection, the auto parts are clamped by a fixture to inspect the bottom side of the auto parts, but this clamping test affects the transmission of the auto parts. Efficiency, inconvenient for users to use, and the fixture will affect the detection of the clipped parts of the auto parts, and affect the overall inspection of the auto parts.

Utility model content

The technical problem to be solved by the utility model is to overcome the existing defects and provide an auto parts detection device based on machine vision, which can not affect the transmission efficiency of auto parts during detection, is convenient for users to use, and can avoid The fixture affects the detection of the clipping position of the auto parts, but does not affect the overall detection of the auto parts, and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a machine vision-based auto parts detection device, comprising a frame and an adjustment mechanism;

Rack: a belt conveyor is arranged on the rack, a U-shaped bracket is arranged on the rack above the belt conveyor, and three cameras are arranged on the inner sidewall and top side of the U-shaped bracket. A placing seat is arranged on the placing seat, and an industrial computer is placed on the placing seat;

Adjustment mechanism: the adjustment mechanism includes a servo motor 1, the output shaft of the servo motor 1 is provided with a rotating shaft, and the side of the rotating shaft is provided with a clamp;

The first servo motor is located on the rear side of the U-shaped bracket, the front end of the rotating shaft penetrates the rear wall of the U-shaped bracket through a bearing, and the front end of the rotating shaft is connected with the front wall of the U-shaped bracket through a bearing, and the clamp is located in the U-shaped bracket. Inside the bracket, the input end of the industrial computer is electrically connected to the output end of the external power supply, and the output end of the industrial computer is electrically connected to the input end of the three cameras, the belt conveyor and the servo motor one.

Further, the fixture includes a second servo motor, a rectangular chute, a two-way thread column and a splint, a rectangular chute is provided on the side of the rotating shaft, and a second servo motor is provided at the rear end of the rectangular chute. The output shaft of the second two-way screw is provided with a two-way screw. The side surface of the two-way screw is symmetrically connected with two splints. The two splints are slidably connected with the rectangular chute. The input end of the second servo motor is connected to the output end of the industrial computer. Electrical connection, the second servo motor works to drive the bidirectional screw rod to rotate, and the bidirectional screw rod rotation drives the two splints to approach or move away from each other along the rectangular chute, which is convenient for clamping and releasing auto parts.

Further, a placement slot is provided on one side of the two splints that are close to each other, and an induction sensor is placed inside the two placement slots, which can sense the position of the auto parts, thereby facilitating the clamping of the two splints. The sensor is electrically connected to the industrial computer bidirectionally.

Further, it also includes an installation mechanism, the installation mechanism includes a mounting wire and an L-shaped motor seat, the bottom side of the first servo motor is provided with an L-shaped motor seat, and the L-shaped motor seat is installed on the bottom of the frame through the mounting wire. On the rear side, the first servo motor can be installed, which is convenient for the fixing of the first servo motor.

Further, the camera on the side wall of the U-shaped bracket is located on the left side of the rotating shaft, the camera on the top side of the U-shaped bracket is located above the rotating shaft, and located on both sides of the camera. There are three groups of fill lights on the inner side of the U-shaped bracket. The lamp can fill in the light when the camera collects images, so that the collected data is more accurate.

Compared with the prior art, the beneficial effects of the present utility model are: the machine vision-based auto parts detection device has the following advantages: the industrial computer drives the belt conveyor to move the auto parts, and the auto parts move through three The camera collects data for detection. During the detection process, the fixture clamps the auto parts. When the servo motor works, the rotating shaft drives the fixture to rotate. When the auto parts on the fixture rotate under the camera above, the rear side of the auto parts can be inspected. Detection, when the fixture is rotated, the bottom side of the auto parts is detected. When the fixture is released and the auto parts are turned back, the cameras on both sides can detect the sides of the auto parts, so as to avoid the fixture from affecting the clamping of the auto parts. Detection does not affect the comprehensive detection of auto parts. The process of fixture rotation is a short-distance transmission method, which does not affect the transmission efficiency of auto parts and is convenient for users to use.

Description of drawings

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

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

FIG. 3 is a schematic diagram of a right side view of the structure of the utility model.

In the picture: 1 frame, 2 belt conveyor, 3U-shaped bracket, 4 cameras, 5 fill lights, 6 adjustment mechanisms, 61 servo motor 1, 62 shaft, 63 clamp, 631 servo motor 2, 632 rectangular chute, 633 Two-way wire column, 634 splint, 7 installation mechanism, 71 installation wire, 72L motor seat, 8 placement seat, 9 industrial computer, 10 induction sensor.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-3, the present utility model provides a technical solution: a machine vision-based auto parts detection device, comprising a frame 1 and an adjustment mechanism 6; Frame 1: the frame 1 is provided with a belt conveyor 2. A U-shaped bracket 3 is arranged on the frame 1 above the belt conveyor 2, and three cameras 4 are arranged on the inner side wall and the top side of the U-shaped bracket 3, and the three cameras 4 are wide-angle cameras. There is a placing seat 8, an industrial computer 9 is placed on the placing seat 8, and the industrial computer 9 drives the belt conveyor 2 to work to move the auto parts, and the auto parts move through three cameras 4 to collect data for detection; adjustment mechanism 6: The adjustment mechanism 6 includes a servo motor one 61, a rotating shaft 62 is provided on the output shaft of the servo motor one 61, and a clamp 63 is provided on the side of the rotating shaft 62, and the clamp 63 includes a servo motor two 631, a rectangular chute 632, a bidirectional thread post 633 and a splint. 634, the side of the rotating shaft 62 is provided with a rectangular chute 632, the rear end of the rectangular chute 632 is provided with a servo motor two 631, the output shaft of the servo motor two 631 is provided with a bidirectional thread 633, and the side thread of the bidirectional thread 633 is symmetrical. Two splints 634 are connected, the two splints 634 are slidingly connected with the rectangular chute 632, the input end of the servo motor 2 631 is electrically connected with the output end of the industrial computer 9, the servo motor 2 631 works to drive the bidirectional screw rod 633 to rotate, The rotation of the column 633 drives the two clamping plates 634 to approach or move away from each other along the rectangular chute 632, which is convenient for clamping and releasing the auto parts. The two clamping plates 634 are provided with placement grooves on the side close to each other. Both are placed with an induction sensor 10, and the induction sensor 10 is electrically connected to the industrial computer 9 in two directions, which can sense the position of the auto parts, which is convenient for the two clamping plates 634 to be clamped, the clamp 63 clamps the auto parts, and the servo motor 161 works. When the rotating shaft 62 drives the fixture 63 to rotate, and the auto parts on the fixture 63 rotate 90 degrees to the upper camera 4 times, the rear side of the auto parts can be detected. When the fixture 63 rotates 180 degrees, the bottom side of the auto parts can be detected. The detection is carried out upward. When the fixture 63 releases the auto parts and turns back, the cameras 4 on both sides can detect the sides of the auto parts, so as to avoid the fixture from affecting the detection of the clamped parts of the auto parts, and does not affect the overall detection of the auto parts. The rotation process of the clamp 63 is a short-distance transmission method, which can not affect the transmission efficiency of the auto parts and is convenient for the user to use; wherein, the servo motor 1 61 is arranged on the rear side of the U-shaped bracket 3, and the front end of the rotating shaft 62 passes through The bearing runs through the rear wall of the U-shaped bracket 3, and the front end of the rotating shaft 62 is connected to the front wall of the U-shaped bracket 3 through the bearing. The clamp 63 is located inside the U-shaped bracket 3. The input end of the industrial computer 9 is electrically connected to the output end of the external power supply. Connection, the output end of the industrial computer 9 is electrically connected to the input end of the three cameras 4, the belt conveyor 2 and the servo motor one 61, and also includes the installation mechanism 7, the installation mechanism 7 includes the installation wire 71 and the L-shaped motor seat 72, the servo motor The bottom side of the motor one 61 is provided with an L-shaped motor seat 7 2. The L-shaped motor seat 72 is installed on the rear side of the frame 1 through the mounting wire 71, and the servo motor 1 61 can be installed, which is convenient for the fixing of the servo motor 1 61. The camera 4 on the side wall of the U-shaped bracket 3 is located on the rotating shaft 62. On the left side of the U-shaped bracket 3, the camera 4 on the top side of the U-shaped bracket 3 is located above the rotating shaft 62, and is located on both sides of the camera 4. There are three groups of fill lights 5 on the inner side of the U-shaped bracket 3, which can be used for the camera 4 to collect images. Fill light to make the collected data more accurate. The industrial computer 9 controls the three cameras 4, the belt conveyor 2, the inductive sensor 10, the servo motor 2 631 and the servo motor 1 61 to work using methods commonly used in the prior art.

When in use: the industrial computer 9 drives the belt conveyor 2 to work to move the auto parts, and the auto parts move through the three cameras 4 to collect data for detection. During the detection process, the fixture 63 clamps the auto parts, and the servo motor 1 61 The work makes the rotating shaft 62 drive the fixture 63 to rotate. When the auto parts on the fixture 63 rotate 90 degrees to the upper camera 4 times, the rear side of the auto parts can be detected. When the fixture 63 rotates 180 degrees, the bottom of the auto parts can be detected. The detection is carried out sideways. When the fixture 63 releases the auto parts and turns back, the cameras 4 on both sides can detect the side of the auto parts, so as to avoid the fixture from affecting the detection of the clamped parts of the auto parts, and does not affect the overall inspection of the auto parts. , the rotation process of the fixture 63 is a short-distance transmission mode, which can not affect the transmission efficiency of auto parts and is convenient for users to use.

It is worth noting that the industrial computer 9 disclosed in this embodiment controls the three cameras 4, the belt conveyor 2, the inductive sensor 10, the servo motor two 631 and the servo motor one 61 to work by using the methods commonly used in the prior art. The camera 4 adopts a wide-angle camera, the servo motor 1 61 can choose the DCM-C250 motor produced by Zhejiang Dacheng Electric Co., Ltd., and the servo motor 2 631 can choose the micro servo motor produced by Zhejiang Shengyue Electronic Technology Co., Ltd.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides an automobile parts detection device based on machine vision which characterized in that: comprises a frame (1) and an adjusting mechanism (6);

frame (1): the camera is characterized in that a belt conveyor (2) is arranged on the rack (1), a U-shaped support (3) is arranged on the rack (1) and positioned above the belt conveyor (2), three cameras (4) are arranged on the inner side wall and the top side of the U-shaped support (3), a placing seat (8) is arranged on the rack (1), and an industrial computer (9) is placed on the placing seat (8);

adjusting mechanism (6): the adjusting mechanism (6) comprises a first servo motor (61), a rotating shaft (62) is arranged on an output shaft of the first servo motor (61), and a clamp (63) is arranged on the side surface of the rotating shaft (62);

wherein, the rear side in U type support (3) is established in servo motor (61), the front end of pivot (62) passes through the back wall that the bearing runs through U type support (3), and the antetheca of the front end of pivot (62) and U type support (3) passes through the bearing and is connected, anchor clamps (63) are located the inside of U type support (3), the input of industrial computer (9) is connected with external power supply's output electricity, the output of industrial computer (9) is connected with the input electricity of three camera (4), belt conveyer (2) and servo motor (61).

2. The machine vision-based automobile part detection device as claimed in claim 1, wherein: anchor clamps (63) include two (631), rectangle spout (632), two-way silk post (633) and splint (634) of servo motor, rectangle spout (632) have been seted up to the side of pivot (62), the rear end of rectangle spout (632) is equipped with two (631) of servo motor, be equipped with two-way silk post (633) on the output shaft of two (631) of servo motor, the side screw thread symmetric connection of two-way silk post (633) has two splint (634), two splint (634) and rectangle spout (632) sliding connection, the input of two (631) of servo motor is connected with the output electricity of industrial computer (9).

3. The machine vision-based automobile part detection device as claimed in claim 2, wherein: one side that two splint (634) are close to each other is opened and is all equipped with the standing groove, and inductive pick-up (10) have all been placed to the inside of two standing grooves, inductive pick-up (10) and industrial computer (9) two-way electricity are connected.

4. The machine vision-based automobile part detection device as claimed in claim 1, wherein: the servo motor is characterized by further comprising an installation mechanism (7), wherein the installation mechanism (7) comprises an installation wire (71) and an L-shaped motor base (72), the L-shaped motor base (72) is arranged on the bottom side of the first servo motor (61), and the L-shaped motor base (72) is installed on the rear side of the rack (1) through the installation wire (71).

5. The machine vision-based automobile part detection device as claimed in claim 1, wherein: camera (4) on U type support (3) lateral wall are located the left side of pivot (62), camera (4) on U type support (3) top side are located the top of pivot (62), and the both sides that are located camera (4) are equipped with three groups light filling lamp (5) in the inside side of U type support (3).

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