Defect detection device for shaft type precision part

Abstract

The utility model discloses a shaft type precision part defect detection device which comprises a defect detection table, the middle of the upper end of the defect detection table is fixedly connected with a first supporting frame, one side of the first supporting frame is fixedly provided with a first air cylinder, and the upper end of the first supporting frame is connected with a sliding table in a sliding mode. The shaft type precision part is placed in the groove in one side of the second supporting frame, the second air cylinder is started to enable the lifting plate to move upwards, the feeding frame is jacked upwards, the feeding frame supports the shaft type precision part on the second supporting frame, meanwhile, the first air cylinder is started to enable the feeding frame to move, and the shaft type precision part on the second supporting frame is placed in the groove. The shaft type precision part on the feeding frame is moved to the position above the other groove in the second supporting frame, the second air cylinder is started, the shaft type precision part is placed in the other groove, the operation is repeated, the shaft type precision part is conveyed to the position below the image collecting device, detection can be conducted, the structure is simple, operation is convenient, and the detection efficiency of equipment can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft-type precision component defect detection equipment, in particular to a shaft-type precision component defect detection device. Background Art

[0002] Shaft precision parts, that is, precision shaft parts, are a vital component in mechanical transmission systems. Precision shafts refer to shaft parts with high precision requirements such as roundness runout, also known as precision shaft cores, which are often non-standard parts. Shaft precision parts are widely used in automotive parts, office automation parts, household appliance parts, power tool parts and other fields. Shaft precision parts produced in the factory need to be inspected using defect detection equipment to prevent the production of unqualified shaft precision parts.

[0003] Currently, most shaft-type precision parts defect detection devices place the shaft-type precision parts in the defect detection device, turn on the image acquisition device, take pictures of the surface conditions of the shaft-type precision parts, and then use image processing algorithms to extract key features of the precision parts' surfaces for analysis and comparison to detect qualified parts. However, the shaft-type precision parts are placed and tested individually, which takes a long time to install and disassemble the shaft-type precision parts, affecting the detection efficiency. Utility Model Content

[0004] The purpose of the present invention is to provide a device for detecting defects in shaft-type precision parts, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shaft-type precision parts defect detection device, comprising a defect detection platform, a support frame 1 is fixedly connected to the middle part of the upper end of the defect detection platform, a cylinder 1 is fixedly installed on one side of the support frame 1, the upper end of the support frame 1 is slidably connected to a sliding platform, one side of the sliding platform is fixedly connected to the output end of the cylinder 1, two cylinders 2 are fixedly installed on the upper end of the sliding platform, a lifting plate is provided above the sliding platform, the lower end of the lifting plate is respectively fixedly connected to the output ends of the two cylinders 2, the upper end of the lifting plate is fixedly connected to two loading racks, and the upper end of the support frame 1 is fixedly connected to the support frame 2 on both sides.

[0006] As a further preferred embodiment of the present technical solution, guide columns are fixedly connected to the four corners of the lower end of the lifting plate, the outer surfaces of the four guide columns are slidably connected to the inner wall of the sliding platform, four sliding grooves are opened on one side of the support frame, and one side of the four guide columns is respectively located inside the four sliding grooves.

[0007] As a further preferred embodiment of the present technical solution, a movable frame is provided on one side of the upper end of the defect detection platform, a driving device is fixedly installed on one side of the movable frame, the output end of the driving device is transmission-connected to the clamping disk 2, the lower end of the movable frame is slidingly connected to a slide rail, one side of the slide rail is fixedly installed with a cylinder 3, the output end of the cylinder 3 is fixedly connected to one side of the movable frame, the lower end of the slide rail is fixedly connected to the upper end of the defect detection platform, the other side of the upper end of the defect detection platform is fixedly connected to a fixed frame, and one side of the fixed frame is rotatably connected to the clamping disk 1.

[0008] As a further preferred embodiment of the present technical solution, a protective cover is provided above the defect detection platform, the lower end of the protective cover is fixedly connected to the upper end of the defect detection platform, the inner wall of the protective cover is fixedly connected to a mounting frame, and the lower end of the mounting frame is fixedly installed with an image acquisition device.

[0009] As a further preferred embodiment of the present technical solution, a maintenance door is rotatably connected to one side of the protective cover, and a handle is fixedly connected to one side of the maintenance door.

[0010] As a further preferred embodiment of the present technical solution, an alarm device is fixedly mounted on one side of the upper end of the protective cover, and a display screen is fixedly mounted on one side of the defect detection platform.

[0011] The utility model provides a shaft-type precision parts defect detection device, which has the following beneficial effects:

[0012] (1) The utility model places the axial precision part in the groove on one side of the support frame 2, turns on the cylinder 2 to move the lifting plate upward, and pushes the loading rack upward to support the axial precision part on the support frame 2. At the same time, turns on the cylinder 1, moves the loading rack, and moves the axial precision part on the loading rack to the top of another groove on the support frame 2. Turns on the cylinder 2 and places the axial precision part in another groove. Repeats the operation to transport the axial precision part to the lower position of the image acquisition device for detection. This structure is simple and easy to operate, and can improve the detection efficiency of the equipment.

[0013] (2) The utility model cooperates with the loading rack and the supporting rack 2 to move the axial precision part between the movable rack and the fixed rack, and then turns on the cylinder 3 to clamp the axial precision part with the clamping disk 2 and the clamping disk 1, and then turns on the driving device to rotate the axial precision part, thereby preventing the axial precision part from having a blind spot when being illuminated by the image acquisition device, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2This is a schematic diagram of the internal structure of the protective cover in the present utility model;

[0016] Figure 3 This is a schematic diagram of the connection between the support frame 1 and the loading rack in the present invention;

[0017] Figure 4 This is a schematic diagram of the connection relationship between the clamping disc 2 and the clamping disc 1 in the present invention;

[0018] In the figure: 1. Defect detection table; 2. Protective cover; 3. Support frame 1; 4. Support frame 2; 5. Loading rack; 6. Cylinder 1; 7. Sliding table; 8. Cylinder 2; 9. Lifting plate; 10. Display screen; 11. Alarm device; 12. Maintenance door; 13. Handle; 14. Image acquisition device; 15. Mounting frame; 16. Fixed frame; 17. Moving frame; 18. Guide column; 19. Sliding groove; 20. Clamping plate 1; 21. Driving device; 22. Cylinder 3; 23. Clamping plate 2; 24. Slide rail. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figure 1 - Figure 4 As shown, in this embodiment, a shaft-type precision part defect detection device includes a defect detection platform 1, a support frame 3 is fixedly connected to the middle part of the upper end of the defect detection platform 1, a cylinder 6 is fixedly installed on one side of the support frame 3, a sliding platform 7 is slidably connected to the upper end of the support frame 3, one side of the sliding platform 7 is fixedly connected to the output end of the cylinder 6, two cylinders 2 8 are fixedly installed on the upper end of the sliding platform 7, a lifting plate 9 is provided above the sliding platform 7, the lower end of the lifting plate 9 is respectively fixedly connected to the output ends of the two cylinders 2 8, the upper end of the lifting plate 9 is fixedly connected to two feeding racks 5, and the upper end of the support frame 3 is fixedly connected to Support frame 2 4, by placing the axial precision parts in the groove on one side of support frame 2 4, turning on cylinder 2 8 to move the lifting plate 9 upward, and pushing the loading rack 5 upward, the loading rack 5 supports the axial precision parts on support frame 2 4. At the same time, turn on cylinder 1 6, and move the loading rack 5 to move the axial precision parts on the loading rack 5 to the top of another groove on support frame 2 4. Turn on cylinder 2 8 and place the axial precision parts in another groove. Repeat the operation to transport the axial precision parts to the position below the image acquisition device 14 for inspection. This structure is simple and easy to operate, which can improve the inspection efficiency of the equipment.

[0021] like Figure 3As shown, guide columns 18 are fixedly connected to the four corners of the lower end of the lifting plate 9, and the outer surfaces of the four guide columns 18 are slidably connected to the inner wall of the sliding platform 7. Four sliding grooves 19 are opened on one side of the support frame 3, and one side of the four guide columns 18 is respectively located inside the four sliding grooves 19. Through the structural design of the guide columns 18, the rising direction of the lifting plate 9 can be limited to prevent the rising position of the lifting plate 9 from changing due to long-term use.

[0022] like Figure 2 and Figure 4 As shown, a movable frame 17 is provided on one side of the upper end of the defect detection platform 1, and a driving device 21 is fixedly installed on one side of the movable frame 17. The output end of the driving device 21 is transmission-connected to a clamping disk 23, and the lower end of the movable frame 17 is slidably connected to a slide rail 24. A cylinder 3 22 is fixedly installed on one side of the slide rail 24. The output end of the cylinder 3 22 is fixedly connected to one side of the movable frame 17, and the lower end of the slide rail 24 is fixedly connected to the upper end of the defect detection platform 1. The other side of the upper end of the defect detection platform 1 is fixedly connected to a fixed frame 16, and one side of the fixed frame 16 is rotatably connected to a clamping disk 1 20. Through the cooperation of the loading frame 5 and the supporting frame 2 4, when the axial precision part is moved between the movable frame 17 and the fixed frame 16, the cylinder 3 22 is turned on to clamp the axial precision part 23 and the clamping disk 1 20, and then the driving device 21 is turned on to rotate the axial precision part, thereby preventing the axial precision part from having a blind spot when being irradiated by the image acquisition device 14, thereby improving the detection efficiency.

[0023] like Figure 1 and Figure 2 As shown, a protective cover 2 is provided above the defect detection platform 1, the lower end of the protective cover 2 is fixedly connected to the upper end of the defect detection platform 1, the inner wall of the protective cover 2 is fixedly connected to a mounting bracket 15, and the lower end of the mounting bracket 15 is fixedly installed with an image acquisition device 14. The surface image of the shaft-type precision part is acquired by the image acquisition device 14, so as to detect whether the production of the shaft-type precision part is qualified.

[0024] like Figure 1 As shown, a maintenance door 12 is rotatably connected to one side of the protective cover 2, and a handle 13 is fixedly connected to one side of the maintenance door 12. The structural design of the protective cover 2 and the maintenance door 12 can prevent dust from affecting the illumination of the image acquisition device 14.

[0025] like Figure 1 and Figure 2 As shown, an alarm device 11 is fixedly installed on one side of the upper end of the protective cover 2, and a display screen 10 is fixedly installed on one side of the defect detection platform 1. The alarm device 11 can be used to alarm and remind unqualified shaft-type precision parts, and the display screen 10 can display the detection data for the convenience of observation by staff.

[0026] The utility model provides a shaft-type precision parts defect detection device, the specific working principle is as follows:

[0027] When performing defect detection on axial precision parts, first place the axial precision parts in the groove on one side of the support frame 2 4, turn on the cylinder 2 8 to make the lifting plate 9 move upward, and the loading rack 5 pushes up, and the loading rack 5 supports the axial precision parts on the support frame 2 4. At the same time, turn on the cylinder 1 6, the loading rack 5 moves, and moves the axial precision parts on the loading rack 5 to the top of another groove on the support frame 2 4, turn on the cylinder 2 8, and place the axial precision parts in another groove. Repeat the operation to load the axial precision parts. When the first axial precision parts move between the movable rack 17 and the fixed rack 16, turn on the cylinder 3 22, so that the clamping disk 2 23 and the clamping disk 1 20 clamp the axial precision parts, use the image acquisition device 14 to capture the image of the axial precision parts, and at the same time turn on the drive device 21 to rotate the axial precision parts so that the axial precision parts are illuminated by the blind spot of the image acquisition device 14. After the irradiation is completed, the key features of the surface of the precision parts are extracted using the image processing algorithm, and analyzed and compared to detect whether they are qualified.

[0028] 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, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shaft-type precision component defect detection device, comprising a defect detection table (1), characterized in that: The middle part of the upper end of the defect detection platform (1) is fixedly connected to a support frame (3), a cylinder (6) is fixedly installed on one side of the support frame (3), the upper end of the support frame (3) is slidably connected to a sliding platform (7), one side of the sliding platform (7) is fixedly connected to the output end of the cylinder (6), two cylinders (8) are fixedly installed on the upper end of the sliding platform (7), a lifting plate (9) is provided above the sliding platform (7), the lower ends of the lifting plate (9) are respectively fixedly connected to the output ends of the two cylinders (8), the upper end of the lifting plate (9) is fixedly connected to two loading racks (5), and the upper end of the support frame (3) is fixedly connected to support frame (4).

2. The shaft-type precision parts defect detection device according to claim 1, characterized in that: The four corners of the lower end of the lifting plate (9) are fixedly connected with guide columns (18), and the outer surfaces of the four guide columns (18) are slidably connected to the inner wall of the sliding platform (7). Four sliding grooves (19) are opened on one side of the support frame (3), and one side of the four guide columns (18) is respectively located inside the four sliding grooves (19).

3. The shaft-type precision component defect detection device according to claim 1, characterized in that: A movable frame (17) is provided on one side of the upper end of the defect detection platform (1), a driving device (21) is fixedly installed on one side of the movable frame (17), an output end of the driving device (21) is transmission-connected to a clamping disk 2 (23), a lower end of the movable frame (17) is slidably connected to a slide rail (24), a cylinder 3 (22) is fixedly installed on one side of the slide rail (24), an output end of the cylinder 3 (22) is fixedly connected to one side of the movable frame (17), a lower end of the slide rail (24) is fixedly connected to the upper end of the defect detection platform (1), a fixed frame (16) is fixedly connected to the other side of the upper end of the defect detection platform (1), and a clamping disk 1 (20) is rotatably connected to one side of the fixed frame (16).

4. The shaft-type precision component defect detection device according to claim 1, characterized in that: A protective cover (2) is provided above the defect detection platform (1), the lower end of the protective cover (2) is fixedly connected to the upper end of the defect detection platform (1), the inner wall of the protective cover (2) is fixedly connected to a mounting frame (15), and the lower end of the mounting frame (15) is fixedly mounted with an image acquisition device (14).

5. The shaft-type precision component defect detection device according to claim 4, characterized in that: One side of the protective cover (2) is rotatably connected to a maintenance door (12), and one side of the maintenance door (12) is fixedly connected to a handle (13).

6. The shaft-type precision component defect detection device according to claim 4, characterized in that: An alarm device (11) is fixedly mounted on one side of the upper end of the protective cover (2), and a display screen (10) is fixedly mounted on one side of the defect detection platform (1).

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