Product appearance visual inspection equipment

Abstract

The utility model relates to a product appearance visual inspection device which comprises a machine box and a working table installed above the machine box. A material tray input mechanism, a first mechanical arm, a first visual inspection mechanism, an empty material tray output mechanism, a second mechanical arm, a second visual inspection mechanism, a third visual inspection mechanism, a third mechanical arm, a qualified product storage device and an unqualified product storage device are installed above the workbench. The second manipulator carries the product in the first visual inspection mechanism to the second visual inspection mechanism, the second visual inspection mechanism carries out secondary appearance inspection on the appearance of the product, and the second manipulator carries the product in the second visual inspection mechanism to the third visual inspection mechanism; and the third visual inspection mechanism performs third-time appearance inspection on the product appearance, unqualified products are identified and screened out after three times of inspection, the automation degree is high, the accuracy is high, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the field of mechanical equipment, in particular to a product appearance visual inspection device. Background Art

[0002] After the production of hardware product structural parts, their shape and structure need to be inspected to avoid unqualified products such as deformation, missing corners, and insufficient materials from entering the market. The existing method of hardware product appearance inspection is through manual observation, which is inefficient and has a limited number of inspections. When encountering large-scale production, it will extend the entire production cycle. Utility Model Content

[0003] In view of the above-mentioned defects in the prior art, the utility model provides a product appearance visual inspection device, and the specific technical solution is as follows:

[0004] A product appearance visual inspection device comprises a chassis and a workbench, the workbench is installed above the chassis, a tray input mechanism, a first manipulator, a first visual inspection mechanism, an empty tray output mechanism, a second manipulator, a second visual inspection mechanism, a third visual inspection mechanism, a third manipulator, a qualified product storage device and a failed product storage device are installed above the workbench, the tray input mechanism is located at the side of the workbench, the first manipulator is located between the tray input mechanism and the first visual inspection mechanism, the tray input mechanism transports a tray filled with material to a material taking station, the first manipulator transports the product in the tray input mechanism to the first visual inspection mechanism, the first visual inspection mechanism performs a first appearance inspection on the product appearance, the second manipulator is located between the first visual inspection mechanism, the second visual inspection mechanism and the third visual inspection mechanism The second manipulator moves the products in the first visual inspection mechanism to the second visual inspection mechanism, and the second visual inspection mechanism performs a second appearance inspection on the product appearance. The second manipulator moves the products in the second visual inspection mechanism to the third visual inspection mechanism, and the third visual inspection mechanism performs a third appearance inspection on the product appearance. The third manipulator is located between the third visual inspection mechanism, the qualified product storage device, and the unqualified product storage device. The third manipulator moves the products in the third visual inspection mechanism to the qualified product storage device or the unqualified product storage device according to the inspection results. The empty tray output mechanism is located behind the first manipulator, and the first manipulator moves the empty tray that has taken the products at the material taking station to the empty tray output mechanism.

[0005] As a preferred solution of the utility model, the material tray input mechanism includes a slide, a supporting plate, a cylinder and a lifting mechanism. Two supporting plates are slidably installed above the slide. The two supporting plates are spaced apart. The supporting plates are used to place the material tray. The cylinder drives the supporting plate to move to the lifting mechanism, and the lifting mechanism drives the material tray to rise and leave the supporting plate.

[0006] As a preferred solution of the utility model, the first visual inspection mechanism includes a first product placement table, a first camera, a second camera, a third camera, a fourth camera, and a fifth camera. The first product placement table is used to place products. The first camera is located in front of the first product placement table, and the lens of the first camera faces the front side of the product. The second camera is located behind the first product placement table, and the lens of the second camera faces the rear side of the product. The third camera is located on the left side of the first product placement table, and the lens of the third camera faces the left side of the product. The fourth camera is located on the right side of the first product placement table, and the lens of the fourth camera faces the right side of the product. The fifth camera is located above the first product placement table, and the lens of the fifth camera faces the upper surface of the product.

[0007] As a preferred solution of the utility model, the second visual inspection mechanism includes a second product placement table, a sixth camera, a seventh camera, an eighth camera, a ninth camera, and a tenth camera. The second product placement table is used to place products. The sixth camera is located in front of the second product placement table, and the lens of the sixth camera is inclined at 45 degrees to the front side of the product. The seventh camera is located behind the second product placement table, and the lens of the seventh camera is inclined at 45 degrees to the rear side of the product. The eighth camera is located on the left side of the second product placement table, and the lens of the eighth camera is inclined at 45 degrees to the left side of the product. The ninth camera is located on the right side of the second product placement table, and the lens of the eighth camera is inclined at 45 degrees to the right side of the product. The tenth camera is located above the second product placement table, and the lens of the tenth camera is facing the upper surface of the product.

[0008] As a preferred solution of the utility model, the third visual inspection mechanism includes a support column, a transparent plate, an eleventh camera, a twelfth camera, a thirteenth camera, a fourteenth camera, and a fifteenth camera. The support column supports the transparent plate, and the transparent plate is made of transparent material. The product is placed above the transparent plate. The eleventh camera, the twelfth camera, the thirteenth camera, the fourteenth camera, and the fifteenth camera are all lower than the transparent plate. The eleventh camera is located in front of the transparent plate, and the lens of the eleventh camera is inclined at 45 degrees to the front side of the product. The twelfth camera is located behind the transparent plate, and the lens of the twelfth camera is inclined at 45 degrees to the rear side of the product. The thirteenth camera is located on the left side of the transparent plate, and the lens of the thirteenth camera is inclined at 45 degrees to the left side of the product. The fourteenth camera is located on the right side of the transparent plate, and the lens of the fourteenth camera is inclined at 45 degrees to the right side of the product. The fifteenth camera is located below the transparent plate, and the lens of the fifteenth camera is facing the lower surface of the product.

[0009] As a preferred solution of the utility model, the product is a hardware structural part.

[0010] Beneficial effects: the tray input mechanism transports the tray filled with materials to the material picking station, the first manipulator moves the products in the tray input mechanism to the first visual inspection mechanism, the first visual inspection mechanism performs a first appearance inspection on the product appearance, the second manipulator moves the products in the first visual inspection mechanism to the second visual inspection mechanism, the second visual inspection mechanism performs a second appearance inspection on the product appearance, the second manipulator moves the products in the second visual inspection mechanism to the third visual inspection mechanism, the third visual inspection mechanism performs a third appearance inspection on the product appearance, the third manipulator moves the products in the third visual inspection mechanism to the qualified product storage device or the unqualified product storage device according to the inspection results, and after three inspections, the unqualified products are identified and screened out, with a high degree of automation and precision, thereby improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is an overall stereogram of the utility model;

[0012] Figure 2 It is a top view of the utility model;

[0013] Figure 3 It is a three-dimensional diagram of the material tray input mechanism of the utility model;

[0014] Figure 4 It is a three-dimensional diagram of the first visual detection mechanism of the utility model;

[0015] Figure 5 It is a three-dimensional diagram of the second visual detection mechanism of the utility model;

[0016] Figure 6 It is a three-dimensional diagram of the third visual detection mechanism of the utility model. DETAILED DESCRIPTION

[0017] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings:

[0018] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be constructed and operated in specific directions. Therefore, they cannot be understood as limitations on the present invention.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0020] like Figure 1 and 2 As shown, a product appearance visual inspection device comprises a chassis 1 and a workbench 2, the workbench 2 is installed above the chassis 1, and a tray input mechanism 3, a first manipulator 4, a first visual inspection mechanism 5, an empty tray output mechanism 6, a second manipulator 7, a second visual inspection mechanism 8, a third visual inspection mechanism 9, a third manipulator 10, a qualified product storage device 11 and a failed product storage device 12 are installed above the workbench 2, the tray input mechanism 3 is located on the side of the workbench 2, the first manipulator 4 is located between the tray input mechanism 3 and the first visual inspection mechanism 5, the tray input mechanism 3 transports the tray filled with product materials to the material taking station, the product is a hardware structural part, the first manipulator 4 transports the products in the tray input mechanism individually to the first visual inspection mechanism 5, the first visual inspection mechanism 5 performs a first appearance inspection on the product appearance, and the second manipulator 7 is located between the first visual inspection mechanism 5, the second visual inspection mechanism 8, and the third visual inspection mechanism 5. 9, the second manipulator 7 transports the product in the first visual inspection mechanism 5 to the second visual inspection mechanism 8, and the second visual inspection mechanism 8 performs a second appearance inspection on the product appearance, the second manipulator 7 transports the product in the second visual inspection mechanism 8 to the third visual inspection mechanism 9, and the third visual inspection mechanism 9 performs a third appearance inspection on the product appearance, the third manipulator 10 is located between the third visual inspection mechanism 9, the qualified product storage device 11, and the unqualified product storage device 12, the third manipulator 10 transports the product in the third visual inspection mechanism 9 to the qualified product storage device 11 or the unqualified product storage device 12 according to the inspection results, the empty material tray output mechanism 6 is located behind the first manipulator 4, the first manipulator 4 transports the empty material tray that has taken the product at the material taking station to the empty material tray output mechanism 6, the empty material tray output mechanism 6 is a conveyor belt mechanism, and the manipulator, the qualified product storage device 11 and the unqualified product storage device 12 are conventional technologies.

[0021] like Figure 3As shown, the tray input mechanism 3 includes a slide 31, a supporting plate 32, a cylinder 33 and a lifting mechanism 34. Two supporting plates 32 are slidably installed above the slide 31. The two supporting plates 32 are spaced apart. The supporting plates 32 are used to place the tray. The lifting mechanism 34 is located behind the supporting plates 32. The cylinder 33 drives the supporting plates 32 to move to the lifting mechanism 34. The lifting mechanism 34 drives the tray to rise and leave the supporting plates 32 to facilitate the robot to take the material.

[0022] like Figure 4 As shown, the first visual inspection mechanism 5 includes a first product placement table 51, a first camera 52, a second camera 53, a third camera 54, a fourth camera 55, and a fifth camera 56. The first product placement table 51 is used to place products. The first camera 52 is located in front of the first product placement table 51, and the lens of the first camera 52 faces the front side of the product. The second camera 52 is located behind the first product placement table 51, and the lens of the second camera 52 faces the rear side of the product. The third camera 53 is located on the left side of the first product placement table 51, and the lens of the third camera 54 faces the left side of the product. The fourth camera 55 is located on the right side of the first product placement table 51, and the lens of the fourth camera 55 faces the right side of the product. The fifth camera 56 is located above the first product placement table 51, and the lens of the fifth camera 51 faces the upper surface of the product. The first camera 52, the second camera 53, the third camera 54, the fourth camera 55, and the fifth camera 56 respectively shoot image data of the front, back, left, right and top of the product from the front and transmit them to the machine's visual system, and the visual system determines whether the appearance has defects.

[0023] like Figure 5 As shown, the second visual inspection mechanism 8 includes a second product placement table 81, a sixth camera 82, a seventh camera 83, an eighth camera 84, a ninth camera 85, and a tenth camera 86. The second product placement table 81 is used to place products. The sixth camera 82 is located in front of the second product placement table 81, and the lens of the sixth camera 82 is tilted 45 degrees to the front side of the product. The seventh camera 83 is located behind the second product placement table 81, and the lens of the seventh camera 83 is tilted 45 degrees to the rear side of the product. The eighth camera 84 is located on the left side of the second product placement table 81, and the lens of the eighth camera 84 is tilted 45 degrees to the left side of the product. The ninth camera 95 is located on the right side of the second product placement table, and the lens of the eighth camera 85 is tilted 45 degrees to the right side of the product. The tenth camera 86 is located above the second product placement table 81, and the lens of the tenth camera 86 is facing the upper surface of the product. The sixth camera 82, the seventh camera 83, the eighth camera 84, the ninth camera 85, and the tenth camera 86 respectively shoot the product at an angle of 45 degrees to facilitate better inspection.

[0024] like Figure 6As shown, the third visual inspection mechanism 9 includes a support column 91, a transparent plate 92, an eleventh camera 93, a twelfth camera 94, a thirteenth camera 95, a fourteenth camera 96, and a fifteenth camera 97. The support column 91 supports the transparent plate 92, and the transparent plate 92 is made of a transparent material. The product is placed above the transparent plate 92. The eleventh camera 93, the twelfth camera 94, the thirteenth camera 95, the fourteenth camera 96, and the fifteenth camera 97 are all lower than the transparent plate 92. The eleventh camera 93 is located in front of the transparent plate 92, and the lens of the eleventh camera 93 is inclined at 45 degrees to the front side of the product. The twelfth camera 94 is located behind the transparent plate 92. The lens of the twelfth camera 94 is tilted 45 degrees to the back side of the product, the thirteenth camera 95 is located on the left side of the transparent plate 92, and the lens of the thirteenth camera 95 is tilted 45 degrees to the left side of the product, the fourteenth camera 96 ​​is located on the right side of the transparent plate 92, and the lens of the fourteenth camera 96 ​​is tilted 45 degrees to the right side of the product, the fifteenth camera 97 is located below the transparent plate 92, and the lens of the fifteenth camera 97 is facing the lower surface of the product. Due to the effect of the transparent plate 92, the eleventh camera 93, the twelfth camera 94, the thirteenth camera 95, the fourteenth camera 96, and the fifteenth camera 97 can capture the inner wall and bottom of the product when shooting the product, which is conducive to better inspection.

[0025] The above content is a further detailed description of the utility model in combination with specific preferred implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the protection scope of the utility model.

Claims

1. A product appearance visual inspection device, comprising a chassis and a workbench, wherein the workbench is installed above the chassis, characterized in that: A tray input mechanism, a first manipulator, a first visual inspection mechanism, an empty tray output mechanism, a second manipulator, a second visual inspection mechanism, a third visual inspection mechanism, a third manipulator, a qualified product storage device and a failed product storage device are installed above the workbench. The tray input mechanism is located on the side of the workbench, and the first manipulator is located between the tray input mechanism and the first visual inspection mechanism. The tray input mechanism transports the tray filled with material to the material taking station, and the first manipulator transports the product in the tray input mechanism to the first visual inspection mechanism. The first visual inspection mechanism performs a first appearance inspection on the product appearance. The second manipulator is located between the first visual inspection mechanism, the second visual inspection mechanism, and the third visual inspection mechanism. The second manipulator moves the product in the first visual inspection mechanism to the second visual inspection mechanism, and the second visual inspection mechanism performs a second appearance inspection on the product appearance. The second manipulator moves the product in the second visual inspection mechanism to the third visual inspection mechanism, and the third visual inspection mechanism performs a third appearance inspection on the product appearance. The third manipulator is located between the third visual inspection mechanism, the qualified product storage device, and the unqualified product storage device. The third manipulator moves the product in the third visual inspection mechanism to the qualified product storage device or the unqualified product storage device. The empty tray output mechanism is located behind the first manipulator, and the first manipulator moves the empty tray that has taken the product at the material picking station to the empty tray output mechanism.

2. A product appearance visual inspection device according to claim 1, characterized in that: The tray input mechanism includes a slide, a supporting plate, a cylinder and a lifting mechanism. Two supporting plates are slidably installed above the slide. The two supporting plates are spaced apart and are used to place the tray. The cylinder drives the supporting plate to move to the lifting mechanism, and the lifting mechanism drives the tray to rise and leave the supporting plate.

3. The product appearance visual inspection device according to claim 1, characterized in that: The first visual inspection mechanism includes a first product placement table, a first camera, a second camera, a third camera, a fourth camera, and a fifth camera. The first product placement table is used to place products. The first camera is located in front of the first product placement table, and the lens of the first camera faces the front side of the product. The second camera is located behind the first product placement table, and the lens of the second camera faces the rear side of the product. The third camera is located on the left side of the first product placement table, and the lens of the third camera faces the left side of the product. The fourth camera is located on the right side of the first product placement table, and the lens of the fourth camera faces the right side of the product. The fifth camera is located above the first product placement table, and the lens of the fifth camera faces the upper surface of the product.

4. The product appearance visual inspection device according to claim 1, characterized in that: The second visual inspection mechanism includes a second product placement table, a sixth camera, a seventh camera, an eighth camera, a ninth camera, and a tenth camera. The second product placement table is used to place products. The sixth camera is located in front of the second product placement table, and the lens of the sixth camera is inclined at 45 degrees to the front side of the product. The seventh camera is located behind the second product placement table, and the lens of the seventh camera is inclined at 45 degrees to the rear side of the product. The eighth camera is located on the left side of the second product placement table, and the lens of the eighth camera is inclined at 45 degrees to the left side of the product. The ninth camera is located on the right side of the second product placement table, and the lens of the eighth camera is inclined at 45 degrees to the right side of the product. The tenth camera is located above the second product placement table, and the lens of the tenth camera is facing the upper surface of the product.

5. The product appearance visual inspection device according to claim 1, characterized in that: The third visual inspection mechanism includes a supporting column, a transparent plate, an eleventh camera, a twelfth camera, a thirteenth camera, a fourteenth camera, and a fifteenth camera. The supporting column supports the transparent plate, and the transparent plate is made of transparent material. The product is placed above the transparent plate. The eleventh camera, the twelfth camera, the thirteenth camera, the fourteenth camera, and the fifteenth camera are all lower than the transparent plate. The eleventh camera is located in front of the transparent plate, and the lens of the eleventh camera is inclined at 45 degrees to the front side of the product. The twelfth camera is located behind the transparent plate, and the lens of the twelfth camera is inclined at 45 degrees to the rear side of the product. The thirteenth camera is located on the left side of the transparent plate, and the lens of the thirteenth camera is inclined at 45 degrees to the left side of the product. The fourteenth camera is located on the right side of the transparent plate, and the lens of the fourteenth camera is inclined at 45 degrees to the right side of the product. The fifteenth camera is located below the transparent plate, and the lens of the fifteenth camera is facing the lower surface of the product.

6. A product appearance visual inspection device according to any one of claims 1 to 5, characterized in that: The product is a hardware structural part.

Images