A machine vision inspection device used in surface inspection industry

Abstract

The present invention discloses a machine vision inspection device applied to the surface inspection industry, and the present invention relates to the field of visual inspection technology, comprising: an inspection camera, wherein the inspection camera is used to collect surface images of spherical parts, and a feeding device, wherein the feeding device comprises a mounting barrel assembly, a connecting seat, an adsorption device, and a main shaft, wherein a spherical part is installed on one side of the adsorption device, wherein the connecting seat is used to connect and fix the mounting barrel assembly to the main shaft, wherein the mounting barrel assembly is used to assemble the adsorption device, wherein the adsorption device is used to adsorb the spherical part so that the spherical part rotates synchronously when the mounting barrel assembly rotates with the main shaft as the axis. In the present invention, the spherical part is lifted by the feeding device, and there is no need for multiple inspection cameras and imaging units to work at the same time, and the structure of the machine vision inspection device is simpler. Through the inspection table structure, it is conducive to timely processing of defective products, and the defective products will not be mixed with flawless spherical parts.

Description

Technical Field

[0001] The present invention belongs to the technical field of visual inspection, and in particular relates to a machine visual inspection device applied to the surface inspection industry. Background Art

[0002] The visual inspection system uses industrial cameras instead of human eyes to complete functions such as recognition, measurement, and positioning. The visual inspection system is also used for surface inspection of workpieces. The visual inspection system can monitor whether there are defects such as scratches on the surface of the workpiece. A visual system is mainly composed of lighting, lenses, and cameras, among which lighting is an important factor. At present, there are still shortcomings in the use of visual inspection devices for the inspection of spherical workpieces. Spherical workpieces require multiple inspection cameras to capture images from multiple angles, and the structure is complex. In addition, the defective products detected cannot be picked out in time. Summary of the invention

[0003] In view of this, the purpose of the present invention is to provide a machine vision inspection device applied to the surface inspection industry, so as to effectively solve the problem proposed in the above background technology that the spherical surface workpiece needs to be photographed from multiple angles by multiple inspection cameras, the structure is complex, and the defective products detected cannot be sorted out in time.

[0004] To achieve the above object, the present invention provides the following technical solution: a machine vision inspection device applied to the surface inspection industry, comprising:

[0005] A detection camera, wherein the detection camera is used to collect a surface image of the spherical part,

[0006] A feeding device, the feeding device includes a mounting barrel assembly, a connecting seat, an adsorption device, and a main shaft, a spherical part is installed on one side of the adsorption device, the connecting seat is used to connect and fix the mounting barrel assembly to the main shaft, the mounting barrel assembly is used to assemble the adsorption device, and the adsorption device is used to adsorb the spherical part so that the spherical part rotates synchronously when the mounting barrel assembly rotates with the main shaft as the axis.

[0007] Preferably, a detection platform is installed on one side of the feeding device, and a controller is installed on one side of the detection platform, a mounting frame is installed on one side of the detection platform, and a mounting cylinder is installed on the other side, a discharge pipe is installed on one side of the mounting cylinder, a pushing device is installed on one side of the top of the mounting frame, and a pushing block is installed on one side of the pushing device, and a discharge hole is opened on the rear surface of the detection platform;

[0008] A driving device is installed on the detection table, and the shaft end of the driving device is connected to the main shaft.

[0009] Preferably, an axle seat is installed below the detection platform, and a sliding plate is installed on one side of the axle seat, a baffle is installed on the top of the sliding plate, and a groove is formed on the bottom inner wall of the detection platform.

[0010] Preferably, the mounting tube assembly comprises a first mounting tube and a second mounting tube mounted on both sides of the connecting seat.

[0011] Preferably, the adsorption device includes a rotating device installed in the first installation tube and the second installation tube, and an electromagnet installed at the end of the rotating device.

[0012] Preferably, an air pump is installed inside the installation cylinder, and a spring guide tube is installed on one side of the air pump, and one end of the spring guide tube extends to the inside of the first installation cylinder and the second installation cylinder;

[0013] An air bag is installed on the surface of the electromagnet, and one end of the spring guide tube is connected to the air bag.

[0014] Preferably, a motor is installed on one side of the sliding plate, and the shaft end of the motor is connected to the end of the sliding plate.

[0015] Preferably, the outer walls of the mounting frame and the discharge pipe are both equipped with support frames, and the support frames are equipped with support plates that support the bottom of the sliding plate.

[0016] Preferably, the pushing device adopts a cylinder or an electric telescopic rod.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] (1) In the present invention, the spherical part is lifted by the feeding device, and the spherical part is driven to rotate by the rotating device. A single detection camera detects the surface of the spherical part and then takes an image, which is conducive to fast and all-round imaging. There is no need for multiple detection cameras and imaging units to work at the same time. The structure of the machine vision inspection device is simpler and easy to disassemble and maintain.

[0019] (2) In the present invention, a driving device is installed on the detection table to drive the feeding device to rotate. When defective products are detected, the defective products are discharged from the discharge hole, and the flawless spherical parts are discharged from the discharge pipe, which is conducive to timely processing of defective products and the defective products will not be mixed with the flawless spherical parts.

[0020] (3) In the present invention, based on the structure of the detection table, a slide plate structure is installed at the bottom of the detection table, and the spherical parts are arranged on the slide plate. The slide plate is driven by a motor to flip to realize automatic loading. There is no need for manual repeated manipulation of the spherical parts, which is conducive to large-scale detection of spherical parts, saving manpower and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 This is an appearance diagram of the present invention;

[0023] Figure 3 It is a front view of the detection platform of the present invention;

[0024] Figure 4 It is a structural schematic diagram of the feeding device of the present invention;

[0025] Figure 5 It is a structural schematic diagram of the second installation tube of the present invention;

[0026] Figure 6 is a side view of the slide plate of the present invention;

[0027] In the figure: 1-motor; 2-detection camera; 3-slide plate; 4-groove; 5-spherical part; 6-baffle; 7-axle seat; 8-mounting cylinder; 9-air pump; 10-discharge pipe; 11-spring guide tube; 12-feeding device; 121-first mounting cylinder; 122-second mounting cylinder; 123-connecting seat; 124-spindle; 125-electromagnet; 126-air bag; 127-rotating device; 13-push block; 14-detection table; 141-mounting frame; 142-discharge hole; 15-push device; 16-driving device; 17-controller; 18-support frame. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-Figure 6 The present invention provides the following technical solution: a machine vision inspection device applied to the surface inspection industry, comprising:

[0030] Detection camera 2, detection camera 2 is used to collect the surface image of the spherical part 5,

[0031] The feeding device 12 includes a mounting barrel assembly, a connecting seat 123, an adsorption device, and a main shaft 124. A spherical member 5 is installed on one side of the adsorption device. The connecting seat 123 is used to connect and fix the mounting barrel assembly with the main shaft 124. The mounting barrel assembly is used to assemble the adsorption device. The adsorption device is used to adsorb the spherical member 5 so that the spherical member 5 rotates synchronously when the mounting barrel assembly rotates with the main shaft 124 as the axis.

[0032] In this embodiment, specifically, the detection camera 2 is connected to the external image processing system through a data line, the spherical member 5 moves to the bottom of the feeding device 12, the electromagnet 125 attracts the spherical member 5, the spherical member 5 is a hollow structure, the top and bottom of the spherical member 5 are circular openings, the spherical member 5 is made of metal, the rotating device 127 drives the spherical member 5 to rotate, and at the same time the detection camera 2 shoots the surface of the spherical member 5 and takes an image.

[0033] Preferably, a detection platform 14 is installed on one side of the feeding device 12, and a controller 17 is installed on one side of the detection platform 14, a mounting frame 141 is installed on one side of the detection platform 14, a mounting cylinder 8 is installed on the other side, a discharge pipe 10 is installed on one side of the mounting cylinder 8, a pushing device 15 is installed on one side of the top of the mounting frame 141, and a pushing block 13 is installed on one side of the pushing device 15, and a discharge hole 142 is opened on the rear surface of the detection platform 14;

[0034] A driving device 16 is installed on the detection table 14, and the shaft end of the driving device 16 is connected to the main shaft 124. Specifically, the image processing system analyzes and processes the image, and then finds out whether there are cracks, scratches and other defects on the surface of the spherical part 5. The defective spherical part 5 is driven by the driving device 16 to rotate the feeding device 12, and the spherical part 5 is discharged from the discharge hole 142. The flawless spherical part 5 is driven by the driving device 16 to rotate the feeding device 12, and the spherical part 5 moves to one end of the discharge pipe 10, and the pushing block 13 is pushed by the pushing device 15. The spherical part 5 is pushed into the discharge pipe 10 by the pushing block 13, and finally discharged from the end of the discharge pipe 10.

[0035] Preferably, an axle seat 7 is installed under the detection platform 14, and a slide plate 3 is installed on one side of the axle seat 7, a baffle 6 is installed on the top of the slide plate 3, and a groove 4 is opened on the bottom inner wall of the detection platform 14. Specifically, when the motor 1 drives the slide plate 3 to rotate, the spherical part 5 above the slide plate 3 slides on the slide plate 3. When a spherical part 5 slides to one side of the groove 4, half of the bottom of the spherical part 5 is in a suspended state, and the other half is in contact with the top of the slide plate 3.

[0036] Preferably, the mounting tube assembly includes a first mounting tube 121 and a second mounting tube 122 mounted on both sides of the connecting seat 123 , the first mounting tube 121 and the second mounting tube 122 have the same internal structure, and the first mounting tube 121 and the second mounting tube 122 are used alternately.

[0037] Preferably, the adsorption device includes a rotating device 127 installed in the first installation tube 121 and the second installation tube 122 and an electromagnet 125 installed at the end of the rotating device 127 .

[0038] Preferably, an air pump 9 is installed inside the installation cylinder 8, and a spring guide tube 11 is installed on one side of the air pump 9, and one end of the spring guide tube 11 extends to the inside of the first installation cylinder 121 and the second installation cylinder 122;

[0039] An air bag 126 is installed on the surface of the electromagnet 125, and one end of the spring guide tube 11 is connected to the air bag 126;

[0040] In this embodiment, specifically, air is supplied by the air pump 9, and the gas enters the airbag 126 through the spring guide tube 11. The airbag 126 swells after being filled with air, and the airbag 126 fills the interior of the spherical part 5 and assists the adsorption device to prevent the spherical part 5 from falling.

[0041] Preferably, a motor 1 is installed on one side of the sliding plate 3 , and a shaft end of the motor 1 is connected to an end of the sliding plate 3 .

[0042] Preferably, a support frame 18 is installed on the outer wall of the mounting frame 141 and the discharge pipe 10 , and a support plate for supporting the bottom of the sliding plate 3 is installed on the support frame 18 .

[0043] Preferably, the pushing device 15 adopts a cylinder or an electric telescopic rod.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A machine vision inspection device used in the surface inspection industry, characterized in that: include: A detection camera (2), wherein the detection camera (2) is used to collect a surface image of the spherical part (5), A feeding device (12), the feeding device (12) comprising a mounting barrel assembly, a connecting seat (123), an adsorption device, and a main shaft (124); a spherical component (5) is mounted on one side of the adsorption device; the connecting seat (123) is used to connect and fix the mounting barrel assembly to the main shaft (124); the mounting barrel assembly is used to assemble the adsorption device; the adsorption device is used to adsorb the spherical component (5) so that the spherical component (5) rotates synchronously when the mounting barrel assembly rotates with the main shaft (124) as the axis; A detection platform (14) is installed on one side of the feeding device (12), and a controller (17) is installed on one side of the detection platform (14); a mounting frame (141) is installed on one side of the detection platform (14), and a mounting cylinder (8) is installed on the other side; a pushing device (15) is installed on one side of the top of the mounting frame (141), and a pushing block (13) is installed on one side of the pushing device (15); and a discharge hole (142) is provided on the rear surface of the detection platform (14); A driving device (16) is installed on the detection platform (14), and the shaft end of the driving device (16) is connected to the main shaft (124); The mounting tube assembly comprises a first mounting tube (121) and a second mounting tube (122) mounted on both sides of the connecting seat (123); The adsorption device comprises a rotating device (127) installed in the first installation cylinder (121) and the second installation cylinder (122), and an electromagnet (125) installed at the end of the rotating device (127); An air pump (9) is installed inside the installation cylinder (8), and a spring guide tube (11) is installed on one side of the air pump (9), and one end of the spring guide tube (11) extends to the inside of the first installation cylinder (121) and the second installation cylinder (122); An air bag (126) is installed on the surface of the electromagnet (125), and one end of the spring guide tube (11) is connected to the air bag (126); The detection camera (2) is connected to an external image processing system via a data cable. The spherical member (5) moves to the bottom of the feeding device (12). The electromagnet (125) attracts the spherical member (5). The spherical member (5) is a hollow structure. The top and bottom of the spherical member (5) are circular openings. The spherical member (5) is made of metal. The rotating device (127) drives the spherical member (5) to rotate. At the same time, the detection camera (2) shoots the surface of the spherical member (5) and takes an image.

2. A machine vision inspection device for surface inspection industry according to claim 1, characterized in that: An axle seat (7) is installed below the detection platform (14), and a slide plate (3) is installed on one side of the axle seat (7), a baffle (6) is installed on the top of the slide plate (3), and a groove (4) is provided on the inner wall of the bottom of the detection platform (14).

3. A machine vision inspection device for surface inspection industry according to claim 2, characterized in that: A motor (1) is installed on one side of the sliding plate (3), and the shaft end of the motor (1) is connected to the end of the sliding plate (3).

4. The machine vision inspection device used in the surface inspection industry according to claim 3, characterized in that: A discharge pipe (10) is installed on one side of the installation tube (8), and support frames (18) are installed on the outer walls of the installation frame (141) and the discharge pipe (10), and a support plate supporting the bottom of the sliding plate (3) is installed on the support frame (18).

5. The machine vision inspection device used in the surface inspection industry according to claim 4, characterized in that: The material pushing device (15) adopts a cylinder or an electric telescopic rod.

Images