CN114414572A

CN114414572A - Product appearance detection device

Info

Publication number: CN114414572A
Application number: CN202210192854.9A
Authority: CN
Inventors: 许迪; 王仕佳; 王凯; 南禹州; 罗天龙
Original assignee: Shenzhen Bowei Intelligent Equipment Co ltd
Current assignee: Shenzhen Bowei Intelligent Equipment Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-04-29

Abstract

The invention belongs to the technical field of detection equipment, and particularly discloses a product appearance detection device which comprises a production line, a feeding mechanism, a detection mechanism and a discharging mechanism, wherein the production line is mainly used for conveying a part to be detected; the feeding mechanism is arranged at one end of the production line and used for feeding the parts to be detected; the detection mechanism is used for detecting the surface finish machining material part and comprises a multi-axis adjusting assembly erected on the assembly line, a camera and a light source, wherein the camera and the light source are arranged on the multi-axis adjusting assembly; the blanking mechanism is arranged at the other end of the production line and used for detecting the finished blanking of the material piece. With this structural design's product outward appearance detection device, can be through the setting of multiaxis adjusting part, the spatial position of automatic adjustment light source, camera obtains the best shooting effect of the different defects of material then, then improves and detects precision and detection stability.

Description

Product appearance detection device

Technical Field

The invention relates to the technical field of detection equipment, in particular to a product appearance detection device.

Background

For some products with surface finish processing, such as glass, ceramic, metal, composite materials and the like, because the surface is smooth after being processed, the light reflectivity is high, and for some defective places, because the light absorption is insufficient, the light source is required to be under a special angle for imaging.

The problem is solved by a stroboscopic light source in the prior art, wherein the stroboscopic light source is a camera matched with a plurality of light sources, the angles of the light sources are different, and the cameras are lighted in turn to take pictures; the light source is arranged in a large number, one is cost improvement, the controller is complex to control, stability is affected, and the third point is the most important point.

Disclosure of Invention

The invention aims to provide a product appearance detection device which is high in detection efficiency, and can automatically adjust the spatial positions of a light source and a camera through the arrangement of a multi-axis adjusting assembly, so that the best shooting effect of different defects of a material piece is obtained, and the detection precision and the detection stability are improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

a product appearance inspection device comprising:

the assembly line is used for conveying the material to be detected;

the feeding mechanism is arranged at one end of the production line and used for feeding the parts to be detected;

the detection mechanism is used for detecting a surface finish machining material part and comprises a multi-axis adjusting assembly, a camera and a light source, wherein the multi-axis adjusting assembly is erected on the assembly line;

and the blanking mechanism is arranged at the other end of the assembly line and used for detecting the blanking of the finished material piece.

The multi-axis adjusting assembly comprises a plane detection assembly, the plane detection assembly comprises a detection manipulator erected along the width direction of the assembly line, and a second support and a third support which are used for erecting the detection manipulator; and a second linear guide rail is erected on the third support along the length direction of the assembly line, and the detection manipulator moves back and forth along the length direction of the second linear guide rail.

The detection manipulator comprises a first linear guide rail arranged along the width direction of the assembly line, a lifting mechanism moving back and forth along the length direction of the first linear guide rail, and a rotating motor connected with the driving end of the lifting mechanism.

The multi-axis adjusting assembly further comprises a long edge detection assembly and a short edge detection assembly, and the long edge detection assembly, the short edge detection assembly and the plane detection assembly are all provided with the camera and the light source.

The assembly line is provided with two at least defeated material guide rails side by side along length direction, every defeated material guide rail is provided with a plurality of material platforms along length direction.

Wherein, it is a plurality of carry the material platform all to be provided with the rotating assembly who is used for driving material spare adjustment detection position.

The feeding mechanism comprises a feeding platform arranged at one end of the production line and a feeding manipulator erected at one end of the production line.

The long-edge detection assembly and the short-edge detection assembly are identical in structure, and each of the long-edge detection assembly and the short-edge detection assembly comprises a first support and two groups of detection manipulators which are erected on the first supports side by side; and the rotating motor of each group of detection mechanical arms is provided with the camera and the light source.

The driving end of the rotating motor is adjustably provided with the camera and/or the light source.

The detection manipulator arranged on the second support is provided with the camera, and the camera is connected with the rotating motor; the detection manipulator arranged on the third support is provided with a light source, the light source is connected with the rotating motor, and the camera on the second support and the light source on the third support can be interchanged.

The invention has the beneficial effects that: the invention discloses a product appearance detection device which comprises a production line, a feeding mechanism, a detection mechanism and a discharging mechanism, wherein the production line is mainly used for conveying a material to be detected; the feeding mechanism is arranged at one end of the production line and used for feeding the parts to be detected; the detection mechanism is used for detecting the surface finish machining material part and comprises a multi-axis adjusting assembly erected on the assembly line, a camera and a light source, wherein the camera and the light source are arranged on the multi-axis adjusting assembly; the blanking mechanism is arranged at the other end of the production line and used for detecting the finished blanking of the material piece. With this structural design's product outward appearance detection device, can be through the setting of multiaxis adjusting part, the spatial position of automatic adjustment light source, camera obtains the best shooting effect of the different defects of material then, then improves and detects precision and detection stability.

Drawings

Fig. 1 is an isometric view of a product appearance inspection device provided in this embodiment;

FIG. 2 is an isometric view of the detection mechanism of FIG. 1 in accordance with this embodiment;

FIG. 3 is an isometric view of the long edge detection mechanism of FIG. 2 in accordance with this embodiment;

fig. 4 is an isometric view of the flat panel inspection assembly of fig. 2 in accordance with this embodiment.

In the figure:

1. a production line; 11. a material conveying guide rail; 12. a material loading platform; 13. a rotating assembly; 2. a feeding mechanism; 21. a feeding table; 22. a feeding manipulator; 3. a detection mechanism; 31. a long edge detection component; 311. a first bracket; 312. detecting a mechanical arm; 3121. a first linear guide rail; 3122. a lifting mechanism; 3123. rotating the motor; 32. a short edge detection component; 33. a plane detection assembly; 331. a second bracket; 332. a third support; 334. a second linear guide; 4. a blanking mechanism; 5. a camera; 6. a light source.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Fig. 1 is an isometric view of a product appearance inspection device provided in this embodiment; FIG. 2 is an isometric view of the detection mechanism of FIG. 1 in accordance with this embodiment; FIG. 3 is an isometric view of the long edge detection mechanism of FIG. 2 in accordance with this embodiment;

fig. 4 is an isometric view of the flat panel inspection assembly of fig. 2 in accordance with this embodiment. Referring to fig. 1 to 4, the present embodiment provides an apparatus for inspecting appearance of a product, which is mainly used for some products with surface finish, such as glass, ceramic, metal, composite material, etc., the products have smooth surface after surface treatment and high light reflectivity, and for some defective places, the light source is required to be under a special angle to form an image due to insufficient light absorption.

In this regard, the product appearance detection device provided by this embodiment mainly comprises assembly line 1, feeding mechanism 2, detection mechanism 3 and unloading mechanism 4, wherein, detection mechanism 3 includes the multiaxis adjusting part who erects in assembly line 1 to set up camera 5 and the light source 6 in multiaxis adjusting part. The assembly line 1 is mainly used for conveying the parts to be detected, and the feeding mechanism 2 is arranged at one end of the assembly line 1 and used for feeding the parts to be detected; the blanking mechanism 4 is arranged at the other end of the assembly line 1 and used for detecting the finished blanking of the material. Detection mechanism 3 erects in assembly line 1's middle section, mainly through nimble adjustment and the cooperation of camera 5 and light source 6 for the detection of the surface finishing treatment material piece of two-dimentional or three-dimensional product, the product outward appearance detection device who lays with this mode can be automatic and convenient nimble carry out comparatively reliable and stable detection to the material piece, then not only effectively promoted the detection efficiency of material piece, also promoted the stability and the reliability that the material piece detected simultaneously.

As a first preferred embodiment of the present embodiment, the multi-axis adjusting assembly of the present embodiment only includes the plane detecting assembly 33 for two-dimensional product detection, the plane detecting assembly 33 is erected on the production line 1, and preferably, the plane detecting assembly 33 includes a second support 331, a third support 332, and a detecting robot 312 which is erected on the second support 331 and the third support 332 respectively in the width direction of the production line 1; the third bracket 332 is provided with a second linear guide 334 along the length direction of the assembly line 1, and the detection manipulator 312 provided on the third bracket 332 reciprocates along the length direction of the second linear guide 334.

Further preferably, the inspection robot 312 according to the present embodiment includes a first linear guide 3121 provided along a width direction of the assembly line 1, a lifting mechanism 3122 reciprocating in a longitudinal direction of the first linear guide 3121, and a rotation motor 3123 connected to a driving end of the lifting mechanism 3122. In order to facilitate multi-angle adjustment of the camera 5 and the light source 6 and further facilitate clearer imaging of the camera 5, the driving end of the rotating motor 3123 in the embodiment is adjustably provided with the camera 5 and the light source 6, the detecting manipulator 312 arranged on the second bracket 331 is provided with the camera 5, and the camera 5 is connected with the rotating motor 3123; the light source 6 is disposed on the detection manipulator 312 disposed on the third support 332, and the light source 6 is connected to the rotating motor 3123. preferably, the camera 5 on the second support 331 and the light source 6 on the third support 332 may be interchanged as required to meet the testing requirements. When detecting the plane of the material part, the camera 5 and the light source 6 can be controlled independently to move, and then the defect image of the material part can be acquired more conveniently and flexibly through the mutual matching of the camera and the light source.

As a second embodiment of this embodiment, the multi-axis adjusting assembly in this embodiment may further include a long-side detecting assembly 31 and a short-side detecting assembly 32, so as to cooperate with the plane detecting assembly 33 to achieve three-dimensional detection of the material to be detected, that is, to detect the long side, the short side, and the surface of the material synchronously.

Specifically, the long-side detection assembly 31 in this embodiment is disposed near the feeding mechanism 2, and the short-side detection assembly 32 is disposed near the discharging mechanism 4, so as to distribute the detection assemblies to each section of the assembly line 1, thereby forming a plurality of detection stations. In order to meet the detection requirements of each station and improve the detection quality, the long-side detection assembly 31, the short-side detection assembly 32 and the plane detection assembly 33 in the embodiment are provided with the camera 5 and the light source 6, so that the images of the defect positions of the material part can be accurately captured by automatically adjusting the camera 5 and the light source 6.

More specifically, the long side detecting assembly 31 and the short side detecting assembly 32 in this embodiment have the same structure, and both may share the same assembly, and each assembly includes the first support 311 and the detecting manipulator 312 erected on the first support 311, and specifically, the detecting manipulator 312 has the same structure as the detecting manipulator 312 in the above-mentioned plane detecting assembly 33, that is, includes the first linear guide 3121 erected on the first support 311 in the width direction of the assembly line 1, the lifting mechanism 3122 reciprocating in the length direction of the first linear guide 3121, and the rotating motor 3123 connected to the driving end of the lifting mechanism 3122, for better detecting defects of the material, the driving end of the rotating motor 3123 in this embodiment is adjustably provided with the camera 5 and the light source 6, and the camera 5 and the light source 6 are both mounted to the driving end of the rotating motor 3123 through an adjusting bracket.

Furthermore, the first linear guide 3121 and the lifting mechanism 3122 in this embodiment are preferably electric guide rails, so as to implement the multi-axis adjustment of the camera 5 and the light source 6 in the transverse direction, the longitudinal direction, and the circumferential direction, and further, the camera 5 and the light source 6 may be manually fine-tuned by setting an adjusting member connected with the camera 5 and the light source 6, so that the camera 5 can better catch defects of the material.

Furthermore, in the present embodiment, for further improving the detection efficiency of the long side detection assembly 31 and the short side detection assembly 32, the workpiece is conveniently, efficiently and flexibly detected, as an optimal result, the detection manipulators 312 disposed on the first support 311 in the long side detection assembly 31 and the short side detection assembly 32 are both disposed in two groups side by side, that is, two groups of detection manipulators 312 are disposed in the long side detection assembly 31 side by side, two groups of detection manipulators 312 are disposed in the short side detection assembly 32 side by side, and the rotating motor 3123 of each group of detection manipulators 312 is provided with the camera 5 and the light source 6. In addition, in order to cooperate the detection of each station above-mentioned, the transport of the material piece of being convenient for, can also improve the detection efficiency of material piece simultaneously, this implementation is provided with two at least defeated material guide rails 11 side by side along length direction at assembly line 1, and every defeated material guide rail 11 is provided with a plurality of material platforms 12 along length direction. With this feed mechanism 2 through setting up in assembly line 1 one end, with putting in a plurality of material platforms 12 of carrying of material spare, then continuous detect the material spare.

Preferably, the feeding mechanism 2 in the present embodiment includes a feeding table 21 provided at one end of the line 1, and a feeding robot 22 erected at one end of the line 1. Furthermore, in the present embodiment, in order to adjust the material detecting position (for example, after detecting the long side and the top side, the material is rotated by 90 degrees, and the short side is detected), a rotating assembly 13 for driving the material to adjust the detecting position is disposed below each material loading platform 12, preferably, the rotating assembly 13 is a rotating cylinder, and the installed rotating cylinder and the material loading platform 12 are sequentially fed forward under the driving action of the material conveying guide rail 11. In this embodiment, the specific installation structures of the material conveying guide rail 11, the rotating assembly 13 and the material loading platform 12 are commonly used in the related art, and are not described in detail herein.

Adopt above-mentioned product outward appearance detection device of above-mentioned structural design, in the inspection process, to the defective products accessible external manipulator or the manual mode that detect out it alone shift out assembly line 1, certified products accessible unloading mechanism 4 unloads it. The detailed operations related to this part are commonly used in the related art, and are not described in detail herein.

In addition, this embodiment can also be according to the needs of practical application scene, increase above-mentioned two defeated material guide rails 11 to three, wherein, one in three defeated material guide rails 11 is used for the material loading, and one is used for the material piece inspection, and one is used for the unloading, and three lines run in parallel to this further promotion material piece turnover and detection efficiency, the concrete of defeated material guide rail 11 of relevant this mode erects, and the correlation technique all comparatively commonly uses, does not do not specifically repeated here.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A product appearance inspection device, comprising:

the assembly line (1) is used for conveying the material to be detected;

the feeding mechanism (2) is arranged at one end of the assembly line (1) and is used for feeding the parts to be detected;

the detection mechanism (3) is used for detecting a material piece subjected to surface finish machining, and the detection mechanism (3) comprises a multi-axis adjusting assembly erected on the assembly line (1), a camera (5) and a light source (6) which are arranged on the multi-axis adjusting assembly;

and the blanking mechanism (4) is arranged at the other end of the assembly line (1) and is used for detecting the finished blanking of the material piece.

2. The product appearance inspection apparatus according to claim 1, wherein the multi-axis adjusting unit comprises a plane inspection unit including an inspection robot (312) installed along a width direction of the production line (1), and a second support (331) and a third support (332) for installing the inspection robot (312); and a second linear guide rail (334) is erected on the third support (332) along the length direction of the assembly line (1), and the detection manipulator (312) reciprocates along the length direction of the second linear guide rail (334).

3. The product appearance inspection device according to claim 2, wherein the inspection robot (312) includes a first linear guide (3121) provided along a width direction of the production line (1), a lifting mechanism (3122) reciprocating in a length direction of the first linear guide (3121), and a rotation motor (3123) connected to a driving end of the lifting mechanism (3122).

4. The product appearance inspection device according to claim 3, wherein the multi-axis adjustment assembly further comprises a long edge detection assembly (31) and a short edge detection assembly (32), and the long edge detection assembly (31), the short edge detection assembly (32) and the plane detection assembly (33) are all provided with the camera (5) and the light source (6).

5. The product appearance inspection device according to claim 1, wherein the assembly line (1) is provided with at least two material conveying rails (11) side by side along the length direction, and each material conveying rail (11) is provided with a plurality of material loading platforms (12) along the length direction.

6. The product appearance inspection device according to claim 5, wherein a plurality of the material loading tables (12) are provided with a rotating assembly (13) for driving the material to adjust the inspection position.

7. The product appearance detecting device according to claim 1, wherein the feeding mechanism (2) comprises a feeding table (21) arranged at one end of the production line (1), and a feeding manipulator (22) erected at one end of the production line (1).

8. The product appearance inspection device according to claim 4, wherein the long side inspection assembly (31) and the short side inspection assembly (32) are identical in structure, and each of the long side inspection assembly (31) and the short side inspection assembly (32) comprises a first bracket (311) and two sets of inspection manipulators (312) which are arranged side by side on the first bracket (311); the rotating motor (3123) of each group of detection mechanical arm (312) is provided with the camera (5) and the light source (6).

9. A product appearance detecting device according to claim 3, wherein the driving end of the rotating motor (3123) is adjustably provided with the camera (5) and/or the light source (6).

10. The product appearance inspection device according to claim 9, wherein the inspection robot (312) provided to the second bracket (331) is provided with the camera (5), and the camera (5) is connected to the rotation motor (3123); the detection manipulator (312) arranged on the third support (332) is provided with a light source (6), the light source (6) is connected with the rotating motor (3123), and the camera (5) on the second support (331) and the light source (6) on the third support (332) can be interchanged.