Magnetic powder inspection device for mechanical parts
By designing a mechanical parts with a sliding, electric retractable rod and servo motor, magnetic powder detection device, solving the problem of difficulty in impurities in existing technologies and insufficient adaptability of the device, and achieve higher detection accuracy and adaptability Essence
Patent Information
- Application Number
- CN202420886642.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The existing magnetic powder flaw detection technology is difficult to effectively deal with impurities on the surface of mechanical parts, resulting in reduced detection accuracy, and the existing flaw detection device cannot adapt to parts of different shapes and models, resulting in the possibility of missed inspection or missed inspection.
Design a mechanical parts magnetic powder detection device. By setting the slider and electric retractable rods in the sliding shirt, the upper and lower rotation of the screw is driven, combined with the servo motor to drive the rotation of the screw, use the brush to clear the impurities of the surface of the parts, and pass the through the impurities of the parts. The parts holding a clip and a clip holding a complex shape to ensure that the magnetic powder spray gun effectively covers all areas.
It improves the smoothness and cleanliness of the part surface, enhances the accuracy of the detection, avoids the possibility of missed or misunderstandings, and is suitable for parts of different shapes and models.
Smart Images
Figure CN222393999U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flaw detectors, in particular to a magnetic particle flaw detector for mechanical parts. Background Art
[0002] Magnetic particle inspection of mechanical parts is a commonly used non-destructive testing method, which is used to detect defects such as cracks and inclusions on the surface and near the surface of parts. In order to improve the qualified rate of products, mechanical parts often need to be inspected on the surface after production. In the existing flaw detection technology, magnetic particle inspection is a more common flaw detection treatment method, which sprays magnetic powder or magnetic suspension on the surface of mechanical parts and detects them according to the effect of magnetic field. However, in the magnetic particle inspection process of the prior art, impurities may still be attached to the surface of mechanical parts after processing. During the process of spraying magnetic powder or magnetic suspension on mechanical parts, impurities may be attached to the cracks, which may increase the accuracy of the inspection during the flaw detection process. In addition, the existing mechanical parts are of various types and complex. The clamps in the existing flaw detection devices are of relatively fixed sizes, mostly for larger and regular parts, and cannot clamp parts of different shapes and models, so that the accuracy of later flaw detection is also affected. Utility Model Content
[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a magnetic particle flaw detection device for mechanical parts, by arranging a slider in a slide groove, and fixing an electric telescopic rod to drive the screw rod to move up and down, and a servo motor to drive the screw rod to rotate, so that a brush connected by a screw rod nut cleans the mechanical parts to be inspected back and forth, so that magnetic particle flaw detection has high requirements on the surface finish and cleanliness of the inspected parts, and effectively handles the situation where the surface treatment is difficult, thereby improving the accuracy of detection, through the rotating shaft, fixed rod and electric push rod arranged inside the two fixed frames, and using the clamping rod and clamping connected thereto, the clamping surface of not less than the smallest part can be clamped, so that for parts with complex shapes, the magnetic particle spray gun device effectively covers the relevant areas of all parts, avoiding the possibility of missed detection or false detection.
[0004] The utility model also provides a magnetic particle flaw detection device for mechanical parts as mentioned above, comprising: a collection box, the upper surface of the collection box is fixedly connected to a fixing frame, the surface of the fixing frame is provided with a slide groove, the interior of the slide groove is fixedly connected to an electric telescopic rod via a slider, the side of the electric telescopic rod is fixedly connected to a fixing clamp, the interior of the fixing clamp is rotatably connected to a screw, one end of the screw is fixedly connected to a servo motor, the surface of the screw is fixedly connected to a brush frame via a screw nut, the outer surface of the brush frame is fixedly connected to a brush, the fixing frames are symmetrically arranged with two, the inner side surface of the fixing frame is fixedly connected to a rotating shaft, the interior of the rotating shaft is fixedly connected to a fixing rod, one end of the fixing rod is fixedly connected to a clamping rod, and one end of the clamping rod is fixedly connected to a clamping block.
[0005] According to the magnetic particle flaw detection device for mechanical parts described in the utility model, a slot is provided inside the collection box, and a device table is fixedly connected to the bottom surface of the collection box for containing the sprayed magnetic powder and fixing the collection box.
[0006] According to the magnetic particle flaw detection device for mechanical parts described in the utility model, a bracket is fixedly connected to the upper surface of the collection box, and a lighting lamp is fixedly connected to the upper end of the bracket, which is used to set and fix the lighting lamp and observe the magnetic particle traces.
[0007] According to the magnetic particle flaw detection device for mechanical parts described in the utility model, a support plate is fixedly connected to the middle position of the bracket, and a magnetic particle spray gun is fixedly connected to the surface of the support plate, which is used to set and fix the magnetic particle spray gun and other devices.
[0008] According to the magnetic particle flaw detection device for mechanical parts of the utility model, an electric push rod is fixedly connected to the interior of the other fixed frame via a rotating shaft, and is used to push the clamping rod and the clamping block to move.
[0009] According to the magnetic particle flaw detection device for mechanical parts of the utility model, the inner side surfaces of the two fixing frames are provided with telescopic grooves, and baffles are slidably connected inside the telescopic grooves to prevent the sprayed magnetic powder from splashing out.
[0010] According to the magnetic particle flaw detection device for mechanical parts of the utility model, the brush and the lighting lamp are in the same vertical direction, and the material of the brush is coconut hair, which is convenient for cleaning impurities attached to the parts without damaging the surface of the parts.
[0011] According to the magnetic particle flaw detection device for mechanical parts described in the utility model, the magnetic particle spray guns are provided with no less than three, and the tube body of the magnetic particle spray guns is made of flexible steel tube, which is suitable for spraying surfaces of different parts.
[0012] Beneficial Effects
[0013] 1. Compared with the prior art, the magnetic particle flaw detection device for mechanical parts sets a slider in the slide slot, and fixedly connects the electric telescopic rod to drive the screw to move up and down, and the servo motor drives the screw to rotate, so that the brush connected by the screw nut cleans the mechanical parts to be inspected back and forth. Therefore, magnetic particle flaw detection has higher requirements on the surface finish and cleanliness of the inspected parts, and effectively handles the situation where the surface treatment is difficult, thereby improving the accuracy of detection.
[0014] 2. Compared with the prior art, the magnetic particle flaw detection device for mechanical parts can clamp a clamping surface not smaller than the smallest part through the rotating shaft, fixed rod and electric push rod arranged inside the two fixed frames, and utilizes the clamping rod and clamp connected thereto, so that for parts with complex shapes, the magnetic particle spray gun device can effectively cover the areas of all parts, avoiding the possibility of missed detection or false detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0016] Figure 1 This is the overall structure diagram of the magnetic particle flaw detection device for mechanical parts of the utility model;
[0017] Figure 2 It is a top view of the magnetic particle flaw detection device for mechanical parts of the utility model;
[0018] Figure 3 This is a bottom view of the magnetic particle flaw detection device for mechanical parts of the utility model;
[0019] Figure 4 It is a front view of the magnetic particle flaw detection device for mechanical parts of the utility model.
[0020] Legend:
[0021] 1. Equipment table; 2. Bracket; 3. Fixed frame; 4. Slide; 5. Screw; 6. Brush; 7. Clamping rod; 8. Clamping block; 9. Electric push rod; 10. Electric telescopic rod; 11. Servo motor; 12. Rotating shaft; 13. Lighting lamp; 14. Magnetic powder spray gun; 15. Fixed rod; 16. Collection box; 17. Baffle. DETAILED DESCRIPTION
[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0023] Reference Figure 1-4The utility model embodiment is a magnetic particle flaw detection device for mechanical parts, which includes: a collection box 16 for collecting the sprayed magnetic powder and fixing the fixed frame 3, the upper surface of the collection box 16 is fixedly connected with the fixed frame 3, which is used to set the slide groove 4, the electric telescopic rod 10 and other equipment, and drive the brush 6 connected to the screw rod 5 to move, the surface of the fixed frame 3 is provided with a slide groove 4, the inside of the slide groove 4 is fixedly connected with the electric telescopic rod 10 through a slider, the side of the electric telescopic rod 10 is fixedly connected with a fixing clamp for rotationally connecting with the screw rod 5, the inside of the fixing clamp is rotatably connected with the screw rod 5, and is used to connect the brush 6, and one end of the screw rod 5 is fixedly connected with a servo motor 11 for driving As the screw rod 5 rotates, the surface of the screw rod 5 is fixedly connected to a brush holder through a screw nut, and the outer surface of the brush holder is fixedly connected to a brush 6 for cleaning impurities attached to the parts. Two fixed frames 3 are symmetrically arranged for fixing the screw rod 5 and connecting the symmetrically arranged clamping rod 7 and clamping block 8. The inner side surface of the fixed frame 3 is fixedly connected to a rotating shaft 12, driving the fixed rod 15, the electric telescopic rod 10 and the connected clamping rod 7 and clamping block 8 to rotate together. The interior of the rotating shaft 12 is fixedly connected to a fixed rod 15, one end of the fixed rod 15 is fixedly connected to the clamping rod 7, and one end of the clamping rod 7 is fixedly connected to the clamping block 8, which is convenient for clamping the parts to be inspected.
[0024] A slot is provided inside the collecting box 16, and a device table 1 is fixedly connected to the bottom surface of the collecting box 16 for containing the sprayed magnetic powder and fixing the collecting box 16. A bracket 2 is fixedly connected to the upper surface of the collecting box 16, and a lighting lamp 13 is fixedly connected to the upper end of the bracket 2. Used to set and fix the lighting lamp 13 and to observe the magnetic powder traces. The middle position of the bracket 2 is fixedly connected with a support plate, and the surface of the support plate is fixedly connected with a magnetic powder spray gun 14, which is used to set and fix the magnetic powder spray gun 14 and other devices. The interior of another fixed frame 3 is fixedly connected with an electric push rod 9 through a rotating shaft 12, which is used to push the clamping rod 7 and the clamping block 8 to move. The inner side surfaces of the two fixed frames 3 are provided with telescopic grooves, and the interior of the telescopic grooves is slidably connected with a baffle 17 to prevent the sprayed magnetic powder from splashing out. The brush 6 is in the same vertical direction as the lighting lamp 13. The brush 6 is made of coconut hair, which is convenient for cleaning impurities attached to the parts without damaging the surface of the parts. There are no less than three magnetic powder spray guns 14, and the tube body of the magnetic powder spray gun 14 adopts a flexible steel pipe, which is suitable for spraying surfaces of different parts.
[0025] Working principle: When using the magnetic particle flaw detection device for mechanical parts, the electric telescopic rod 10 provided on one side of the fixed frame 3 pushes the clamping rod 7 and the clamping block 8 to move to one end of the part, and uses the clamping rod 7 and the clamping block 8 provided on the other side of the fixed frame 3 to clamp the part, and then moves the screw rod 5 connected to the electric telescopic rod 10 to the part through the slider in the slide groove 4, adjusts the electric telescopic rod 10 according to the height of the part, so that the brush 6 contacts the surface of the part, and then rotates the rotating shaft 12 so that the surface of the part is cleaned by the brush 6, and the servo motor 11 drives the screw rod 5 to rotate, and the brush 6 cleans back and forth on the surface of the part through the movement of the screw rod 5. After cleaning, the screw rod 5 is moved by the slider to the front end of the fixed frame 3 away from the magnetic powder spray gun 14, and then the magnetic powder spray gun 14 provided on the bracket 2 sprays the rotating part. After spraying, the surface of the part is detected by the lighting lamp 13 to help observe the magnetic powder traces.
[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.
Claims
1. A magnetic particle inspection device for mechanical parts, characterized in that: include: A collecting box (16) is provided, wherein the upper surface of the collecting box (16) is fixedly connected to a fixing frame (3), a sliding groove (4) is provided on the surface of the fixing frame (3), an electric telescopic rod (10) is fixedly connected to the inside of the sliding groove (4) through a slider, a fixing clamp is fixedly connected to the side of the electric telescopic rod (10), a screw rod (5) is rotatably connected to the inside of the fixing clamp, one end of the screw rod (5) is fixedly connected to a servo motor (11), the surface of the screw rod (5) is fixedly connected to a brush frame through a screw nut, a brush (6) is fixedly connected to the outer surface of the brush frame, two fixing frames (3) are symmetrically provided, the inner side surface of the fixing frame (3) is fixedly connected to a rotating shaft (12), the inside of the rotating shaft (12) is fixedly connected to a fixing rod (15), one end of the fixing rod (15) is fixedly connected to a clamping rod (7), and one end of the clamping rod (7) is fixedly connected to a clamping block (8).
2. A magnetic particle inspection device for mechanical parts according to claim 1, characterized in that: A notch is provided inside the collection box (16), and the bottom surface of the collection box (16) is fixedly connected to the equipment table (1).
3. A magnetic particle inspection device for mechanical parts according to claim 1, characterized in that: The upper surface of the collection box (16) is fixedly connected to a bracket (2), and the upper end of the bracket (2) is fixedly connected to a lighting lamp (13).
4. A magnetic particle inspection device for mechanical parts according to claim 3, characterized in that: A support plate is fixedly connected to the middle position of the bracket (2), and a magnetic powder spray gun (14) is fixedly connected to the surface of the support plate.
5. A magnetic particle flaw detection device for mechanical parts according to claim 1, characterized in that: The interior of the other fixed frame (3) is fixedly connected to an electric push rod (9) via a rotating shaft (12).
6. A magnetic particle flaw detection device for mechanical parts according to claim 1, characterized in that: The inner side surfaces of the two fixing frames (3) are provided with telescopic slots, and baffles (17) are slidably connected inside the telescopic slots.
7. A magnetic particle inspection device for mechanical parts according to claim 1, characterized in that: The brush (6) and the lighting lamp (13) are in the same vertical direction, and the material of the brush (6) is coconut hair.
8. A magnetic particle inspection device for mechanical parts according to claim 4, characterized in that: There are no less than three magnetic powder spray guns (14), and the tube bodies of the magnetic powder spray guns (14) are made of flexible steel tubes.