Optical device for defect detection

Abstract

The utility model belongs to the technical field of defect detection, and discloses an optical device for defect detection, which comprises a supporting piece and a visual detection piece, the supporting piece comprises an adjusting part and a supporting part, the adjusting part comprises an electric push rod and a spectrum confocal sensor, the supporting part and the visual detection part are both located between the electric push rod and the spectrum confocal sensor, a containing space for containing an object is formed at the top of the supporting part, the spectrum confocal sensor is located above the electric push rod, and the telescopic end of the top of the electric push rod is rotationally connected with the bottom of the supporting part. By arranging the electric push rod and the spectrum confocal sensor which are matched with each other, after the spectrum confocal sensor detects the height of a to-be-detected object on the product platform, the electric push rod pushes the supporting part, and then the levelness of the supporting part is automatically adjusted; the device can ensure the accuracy and stability of detection through instant compensation in the whole detection process.

Description

Technical Field

[0001] The utility model belongs to the technical field of defect detection, and in particular relates to an optical device for defect detection. Background Art

[0002] In the industrial production process, product quality control is crucial. Defect detection is one of the key links in quality control. It can effectively detect defects such as flaws, cracks, and dents on the surface of products, thereby improving the product qualification rate. Traditional defect detection methods usually rely on manual visual inspection or the use of contact detection tools. These methods are not only inefficient, but also prone to errors, and it is particularly difficult to detect tiny defects. Therefore, with the development and advancement of technology, optical visual inspection devices have emerged. However, when the existing devices are used for inspection, if the product platform is not completely level, the inspection results are easily affected, and there are certain errors and inaccuracies. Utility Model Content

[0003] The purpose of the utility model is to provide an optical device for defect detection to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an optical device for defect detection, comprising a support member for supporting an object and a visual detection member for detecting the object, the support member comprising an adjustment part and a support part, the adjustment part comprising four electric push rods and four spectral confocal sensors, the support part and the visual detection member are both located between the electric push rods and the spectral confocal sensors, and a placement space for placing the object is formed at the top of the support part, the spectral confocal sensor is located above the electric push rod, the spectral confocal sensor is matched one-to-one with the electric push rod, and the telescopic end at the top of the electric push rod is rotatably connected to the bottom of the support part.

[0005] Preferably, the optical device for defect detection further comprises a support rod, the bottom of which is fixedly connected to a bottom plate, and the bottom of the electric push rod is rotatably connected to the top of the bottom plate.

[0006] Preferably, the top of the support rod is fixedly connected to a top plate, one side of the top plate is fixedly connected to a base plate, a plurality of thread grooves are provided on the base plate, the top of the spectral confocal sensor is fixedly connected to a screw, and the screw is screwed into any thread groove.

[0007] Preferably, the support portion comprises a product platform;

[0008] The placement space is formed on the top of the product platform.

[0009] Preferably, two side panels are symmetrically fixedly connected to the top of the product platform, and screw rods are screwed together on the two side panels. Clamps are fixedly connected to the opposite ends of the two screw rods, and handles are fixedly connected to the ends of the two screw rods away from the clamps.

[0010] Preferably, the visual inspection component includes an optical inspection lens, a support plate is fixedly connected to the top of the product platform, the support plate is on one side of the side plate, and a slide rail is fixedly connected to the side of the support plate close to the side plate, a mobile frame is slidably connected to the slide rail, and the optical inspection lens is fixedly connected to one side of the mobile frame.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model sets a matching electric push rod and a spectral confocal sensor. After the spectral confocal sensor detects the height of the object to be detected on the product platform, the electric push rod pushes the support part, thereby automatically adjusting the horizontality of the support part. During the entire detection process, even if the product platform is not completely horizontal, the device can ensure the accuracy and stability of the detection through instant compensation, thereby reducing the error during the detection.

[0013] (2) On the basis of the above beneficial effects, the utility model provides a plurality of thread grooves and screws, and the screws are screwed together to connect the thread grooves, so that the spectral confocal sensor can be fixed at the position required by personnel, and the position of the spectral confocal sensor can be adjusted according to the position of the object to be detected, thereby improving the use range of the device and improving the accuracy of the device in detecting objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 It is a side view of the utility model;

[0016] Figure 3 It is a top view of the utility model;

[0017] In the figure: 1. support rod; 2. handle; 3. side panel; 4. support plate; 5. top plate; 6. spectral confocal sensor; 7. optical detection lens; 8. moving frame; 9. base plate; 10. screw; 11. threaded groove; 12. slide rail; 13. clamping plate; 14. lead screw; 15. product platform; 16. electric push rod; 17. bottom plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-Figure 3 As shown, the utility model provides the following technical solutions:

[0020] An optical device for defect detection includes a support member for supporting an object and a visual detection member for detecting the object, the support member includes an adjusting part and a supporting part, the adjusting part includes four electric push rods 16 and four spectral confocal sensors 6, the support member and the visual detection member are both located between the electric push rods 16 and the spectral confocal sensors 6, and a placement space for placing the object is formed at the top of the support member, the spectral confocal sensor 6 is located above the electric push rod 16, the spectral confocal sensor 6 is matched one-to-one with the electric push rod 16, and the telescopic end at the top of the electric push rod 16 is rotatably connected to the bottom of the support member.

[0021] Through the above technical solution, when personnel need to perform defect detection on items, the items that need to be detected for defects are placed on the supporting part. After the items are placed, the surface height of the items is detected by the spectral confocal sensor 6. By comparing the preset standard height, the system can determine whether the product platform 15 is not level. If the platform is found to be not level, the control unit (not shown in the figure) will send an instruction to the electric push rod 16 to adjust each electric push rod 16 in real time to restore the product platform 15 to a level. During the entire detection process, even if the product platform 15 is not completely level, the device can ensure the accuracy and stability of the detection through instant compensation.

[0022] In addition, in the present invention, in order to support the electric push rod 16, as shown in FIG. Figure 1-Figure 2 As shown, it also includes a support rod 1, the bottom of the support rod 1 is fixedly connected to a bottom plate 17, and the bottom of the electric push rod 16 is rotatably connected to the top of the bottom plate 17.

[0023] In this embodiment, the support rod 1 and the electric push rod 16 are supported by the bottom plate 17 , and the support portion is supported by the electric push rod 16 .

[0024] When a person needs to adjust the spectral confocal sensor 6, in order to facilitate the adjustment of the position of the spectral confocal sensor 6, in the present utility model, Figure 1-Figure 3As shown, a top plate 5 is fixedly connected to the top of the support rod 1, a base plate 9 is fixedly connected to one side of the top plate 5, a plurality of thread grooves 11 are provided on the base plate 9, a screw 10 is fixedly connected to the top of the spectral confocal sensor 6, and the screw 10 is screwed into the inside of any thread groove 11.

[0025] In this embodiment, since different items have different specifications, in order to adjust according to the specifications of the items, before a person passes through the device to detect the item, the top plate 5 is supported by the support rod 1, and the base plate 9 is supported by the top plate 5, and the screw 10 is screwed and connected with the threaded groove 11 at the position required by the person, so that the spectral confocal sensor 6 is fixed at the position required by the person on the base plate 9. According to the above steps, all spectral confocal sensors 6 are fixed at the positions required by the person.

[0026] Specifically, in one embodiment, how the above-mentioned supporting part supports the object to be detected is as follows: Figure 1-Figure 2 As shown:

[0027] The supporting part includes a product platform 15;

[0028] A placement space is formed on the top of the product platform 15 .

[0029] In this embodiment, the product platform 15 is supported by the electric push rod 16, and the object to be inspected is supported by the product platform 15.

[0030] When the product is placed on the product platform 15, in order to make the product more secure during inspection, Figure 1-Figure 2 As shown, two side panels 3 are symmetrically fixedly connected to the top of the product platform 15, and screw rods 14 are screwed together on the two side panels 3. The opposite ends of the two screw rods 14 are fixedly connected to the clamping plate 13, and the ends of the two screw rods 14 away from the clamping plate 13 are fixedly connected to the handle 2.

[0031] In this embodiment, when a person places an item on the product platform 15, the item is placed between the two clamps 13, and the screw rod 14 is rotated by the handle 2, so that the screw rod 14 moves relative to the side plate 3, and the clamps 13 are moved by the screw rod 14, so that the clamps 13 are pressed against the item.

[0032] Specifically, in one embodiment, regarding the above-mentioned visual detection member, as Figure 1-Figure 2 As shown:

[0033] The visual inspection component includes an optical inspection lens 7. A support plate 4 is fixedly connected to the top of the product platform 15. The support plate 4 is located on one side of the side plate 3, and a slide rail 12 is fixedly connected to the side of the support plate 4 close to the side plate 3. A mobile frame 8 is slidably connected to the slide rail 12, and the optical inspection lens 7 is fixedly connected to one side of the mobile frame 8.

[0034] In this embodiment, before inspection, the support plate 4 is supported by the product platform 15, and the movable frame 8 is pulled to move along the slide rail 12, and then the optical inspection lens 7 is driven by the movable frame 8 to move, so that the optical inspection lens 7 is moved to the position required by the personnel, and the objects on the product platform 15 are inspected through the optical inspection lens 7.

[0035] 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. An optical device for defect detection, characterized in that: The invention comprises a support member for supporting an object and a visual detection member for detecting the object, wherein the support member comprises an adjustment part and a support part, wherein the adjustment part comprises four electric push rods (16) and four spectral confocal sensors (6), wherein the support part and the visual detection member are both located between the electric push rods (16) and the spectral confocal sensors (6), and a placement space for placing the object is formed at the top of the support part, wherein the spectral confocal sensors (6) are located above the electric push rods (16), wherein the spectral confocal sensors (6) are matched one by one with the electric push rods (16), and wherein the telescopic end at the top of the electric push rods (16) is rotatably connected to the bottom of the support part.

2. The optical device for defect detection according to claim 1, characterized in that: It also comprises a support rod (1), the bottom of which is fixedly connected to a bottom plate (17), and the bottom of the electric push rod (16) is rotatably connected to the top of the bottom plate (17).

3. The optical device for defect detection according to claim 2, characterized in that: The top of the support rod (1) is fixedly connected to a top plate (5), one side of the top plate (5) is fixedly connected to a base plate (9), a plurality of thread grooves (11) are provided on the base plate (9), and the top of the spectral confocal sensor (6) is fixedly connected to a screw rod (10), and the screw rod (10) is screwed into the interior of any thread groove (11).

4. The optical device for defect detection according to claim 3, characterized in that: The support portion includes a product platform (15); The placement space is formed on the top of the product platform (15).

5. The optical device for defect detection according to claim 4, characterized in that: The top of the product platform (15) is symmetrically fixedly connected to two side panels (3), the two side panels (3) are both screwed together with a screw rod (14), the opposite ends of the two screw rods (14) are both fixedly connected to a clamping plate (13), and the ends of the two screw rods (14) away from the clamping plate (13) are fixedly connected to a handle (2).

6. The optical device for defect detection according to claim 5, characterized in that: The visual inspection component comprises an optical inspection lens (7), a support plate (4) is fixedly connected to the top of the product platform (15), the support plate (4) is located on one side of the side plate (3), and a slide rail (12) is fixedly connected to the side of the support plate (4) close to the side plate (3), a movable frame (8) is slidably connected to the slide rail (12), and the optical inspection lens (7) is fixedly connected to one side of the movable frame (8).

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