Uniform-section precision bearing magnetic powder inspection device

Abstract

The utility model discloses a uniform-section precision bearing magnetic powder inspection device which comprises a detection table, a groove is formed in the top of the detection table, a fixing plate is rotationally connected in the groove, a magnetizing chuck is installed at the top of the fixing plate, a supporting plate is fixedly connected to the bottom side of the magnetizing chuck, and a light shielding box is fixedly connected to the top end of the detection table. An electric cylinder is fixedly connected to the top of the light-proof box, a fluorescent magnetic suspension storage barrel is mounted at the top of the light-proof box, a connecting pipe is connected to one side of the fluorescent magnetic suspension storage barrel, a conveying pump is mounted on the connecting pipe, an ultraviolet irradiation lamp is mounted on the inner wall of the top of the light-proof box, an opening is formed in one end of the light-proof box, and a door plate is hinged to the inner side of the opening; visual glass is installed on the door plate, and one end of the visual glass is connected with a shielding plate in a sliding mode. According to the device, the uniform-section precision bearing is arranged in the light shielding box in a sealed mode, and the surface damage of the workpiece is more convenient to check through irradiation of the ultraviolet irradiation lamp on the product and adjustment of the angle of the workpiece.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing nondestructive testing technical field, concretely is a kind of equal cross-section precision bearing magnetic particle flaw detection device. BACKGROUND

[0002] Bearing nondestructive testing magnetic particle flaw detection is a kind of nondestructive testing technology, mainly used to detect the defect of ferromagnetic material surface or near surface, and this technology is based on the principle that discontinuity existing on material surface or near surface will form magnetic field leakage after material is magnetized.

[0003] Equal cross-section precision bearing is a kind of bearing, is a specially designed bearing, its feature is that all components (such as outer ring, inner ring and rolling body) have the same cross-sectional dimension, and currently equal cross-section precision bearing needs staff to observe the surface condition of equal cross-section precision bearing with naked eye when carrying out nondestructive magnetic particle flaw detection, and it is not easy to check quickly due to the influence of light and angle and other aspects of observation line of sight, thus improvement is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an equal cross-section precision bearing magnetic particle flaw detection device to solve the problem of inconvenient observation of the surface of equal cross-section precision bearing proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: an equal cross-section precision bearing magnetic particle flaw detection device, including detection table, recess is set up at the top of detection table, fixed plate is rotatably connected in the recess, magnetization chuck is installed at the top of fixed plate, and the bottom side of magnetization chuck is fixedly connected with supporting plate; the top end of detection table is fixedly connected with light-proof box, the inner wall of the top of light-proof box is installed with ultraviolet irradiation lamp, and the one end of light-proof box is provided with opening; the inner side of opening is hingedly connected with door plate, and the door plate is installed with visual glass; and the one end of visual glass is slidably connected with shielding plate.

[0006] Preferably, the top of the light-proof box is installed with fluorescent magnetic suspension storage barrel, one side of the fluorescent magnetic suspension storage barrel is connected with connecting pipe, and the connecting pipe is installed with conveying pump.

[0007] Preferably, the top of the light-proof box is fixedly connected with electric cylinder, the inner wall of the light-proof box is provided with connecting frame, the lower end of the electric cylinder is connected with the connecting frame, the inner side of the connecting frame is fixedly connected with jet pipe, and the bottom of the connecting frame is installed with ultraviolet irradiation lamp.

[0008] Preferably, the bottom of the jet pipe is installed with spray head, the top of the jet pipe is connected with telescopic pipe, and one end of the telescopic pipe is connected with connecting pipe.

[0009] Preferably, one end of the door plate is fixedly connected with sliding rail, and the sliding rail is located at the top of visual glass.

[0010] Preferably, a slider is provided on the inner side of the shield, the slider on the inner side of the shield is slidably connected to the slide rail, and the shield is symmetrically distributed about the bisector of the visible glass.

[0011] Preferably, a mounting bracket is fixedly connected inside the groove at the top of the testing platform, an adjusting motor is installed on one side of the mounting bracket, a fixed plate is rotatably connected to the inside of the mounting bracket, one end of the adjusting motor shaft is connected to the shaft on one side of the fixed plate, and a drain pipe is connected to the bottom of the fixed plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] (1) This device makes it easier to check for surface damage by enclosing a precision bearing with equal cross-section inside a light-proof box, irradiating the product with an ultraviolet lamp and adjusting the angle of the workpiece.

[0014] (2) By setting up a light-shielding box, this device can more clearly show the damage on the surface of the workpiece after the fluorescent magnetic suspension liquid is sprayed on the workpiece surface and then irradiated by an ultraviolet lamp, thus facilitating the rapid observation of the staff.

[0015] (3) This device sets an automatically rotating fixed plate on the top of the testing table and installs the magnetized chuck on the fixed plate. As the fixed plate rotates, the angle of the workpiece held on the top of the fixed plate can be adjusted, making it easier to display the surface damage of the workpiece. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a precision bearing magnetic particle inspection device with equal cross-section according to the present invention;

[0017] Figure 2 This is a top sectional view of the connection between the door panel and the shielding plate of the precision bearing magnetic particle inspection device with equal cross-section according to this utility model;

[0018] Figure 3 This is a cross-sectional view of a precision bearing magnetic particle inspection device with a uniform cross-section according to this utility model;

[0019] Figure 4 This utility model relates to a magnetic particle inspection device for precision bearings with uniform cross-section. Figure 3 Enlarged view of point A in the middle.

[0020] In the diagram: 1. Fluorescent magnetic suspension storage tank; 2. Light-proof box; 3. Door panel; 4. Testing table; 5. Electric cylinder; 6. Transfer pump; 7. Connecting pipe; 8. Slide rail; 9. Shielding plate; 10. Drain pipe; 11. Viewing glass; 12. Magnetized clamp; 13. Support plate; 14. Adjusting motor; 15. Mounting bracket; 16. Fixing plate; 17. Connecting bracket; 18. Telescopic pipe; 19. Spray pipe; 20. Nozzle; 21. Ultraviolet irradiation lamp. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of equal cross section precision bearing magnetic particle flaw detection device, including detection table 4, the recess is opened in the top of detection table 4, fixedly connected with mounting bracket 15 in the recess inside the top of detection table 4, adjusting motor 14 is installed in one side of mounting bracket 15, rotatingly connected with fixed plate 16 in the inside of mounting bracket 15, the shaft of adjusting motor 14 one end is connected with the shaft of one side of fixed plate 16, fixed plate 16 bottom is connected with blow-off pipe 10;This structure can drive fixed plate 16 automatic rotation by adjusting motor 14, to adjust the angle of equal cross section precision bearing clamped on fixed plate 16, more convenient to show equal cross section precision bearing;Through blow-off pipe 10, excess fluorescent magnetic suspension is conveniently discharged;Recess inside rotatingly connected with fixed plate 16, magnetizing chuck 12 is installed on the top of fixed plate 16, magnetizing chuck 12 bottom side fixedly connected with supporting plate 13, detection table 4 top end fixedly connected with light-tight box 2, fluorescent magnetic suspension storage barrel 1 is installed on the top of light-tight box 2, connecting pipe 7 is connected with one side of fluorescent magnetic suspension storage barrel 1, and conveying pump 6 is installed on connecting pipe 7;This structure can automatically transport fluorescent magnetic suspension by conveying pump 6;The top of light-tight box 2 is fixedly connected with electric cylinder 5, and the inner wall of light-tight box 2 is provided with connecting frame 17, and the lower end of electric cylinder 5 is connected with connecting frame 17, and fixed plate 16 is fixedly connected with the inside of connecting frame 17, and ultraviolet irradiation lamp 21 is installed on the bottom of connecting frame 17;This structure can be irradiated on the surface of equal cross section precision bearing by setting ultraviolet irradiation lamp 21, so that the damage on the surface of equal cross section precision bearing is displayed more clearly;Nozzle 20 is installed on the bottom of jet pipe 19, and telescopic pipe 18 is connected with the top of jet pipe 19, and one end of telescopic pipe 18 is connected with connecting pipe 7;This structure can uniformly spray fluorescent magnetic suspension on the surface of equal cross section precision bearing by nozzle 20;Conveniently, jet pipe 19 is lifted by setting telescopic pipe 18;Ultraviolet irradiation lamp 21 is installed on the inner wall of the top of light-tight box 2, and opening is formed in one end of light-tight box 2, and door plate 3 is hinged on the inside of opening, and one end of door plate 3 is fixedly connected with slide rail 8, and slide rail 8 is located on the top of visible glass 11;This structure can limit the position of shielding plate 9 by setting slide rail 8, so that the transverse movement of shielding plate 9 is more stable;Sliding block is formed in the inside of shielding plate 9, and sliding block in the inside of shielding plate 9 is slidably connected with slide rail 8, and shielding plate 9 is symmetrically distributed about the bisector of visible glass 11;This structure is convenient for observing the working condition in light-tight box 2 by visible glass 11;Shielding plate 9 can shield visible glass 11, so that absolute light shielding is realized, and it is also convenient to observe equal cross section precision bearing through visible glass 11;Visible glass 11 is installed on door plate 3, and one end of visible glass 11 is slidably connected with shielding plate 9;The magnetizing chuck 12 of the device is composed of electric cylinder, electrode and magnetic coil, and is mainly used for clamping and magnetizing equal cross section precision bearing, which is prior art, so it is not described in detail here.

[0023] Working principle: when using the cross-section precision bearing magnetic particle flaw detection device, first, the door plate 3 is turned to open, then the cross-section precision bearing is placed to the inside clamping of the magnetization chuck 12 on the top of the fixed plate 16, then the door plate 3 is closed, the magnetization chuck 12 is opened to magnetize the cross-section precision bearing, after the magnetization work is completed, the conveying pump 6 starts to convey the fluorescent magnetic suspension in the fluorescent magnetic suspension storage barrel 1 to the inside of the jet pipe 19 through the connecting pipe 7, then sprayed to the surface of the cross-section precision bearing from the nozzle 20, then the ultraviolet irradiation lamp 21 is opened to irradiate the cross-section precision bearing, at the same time, the visual glass 11 is pushed to open, finally, the adjusting motor 14 is started to drive the fixed plate 16 to rotate, the fixed plate 16 drives the angle adjustment of the cross-section precision bearing on the top of the fixed plate 16 in the process of rotating, so as to display the damage on the cross-section precision bearing, improve the observation efficiency of the staff.

[0024] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A magnetic particle inspection device for precision bearings with uniform cross-section, comprising an inspection table (4), characterized in that: The top of the testing platform (4) has a groove, and a fixed plate (16) is rotatably connected inside the groove. A magnetized chuck (12) is installed on the top of the fixed plate (16), and a support plate (13) is fixedly connected to the bottom side of the magnetized chuck (12). A light shield (2) is fixedly connected to the top of the testing platform (4). An ultraviolet irradiation lamp (21) is installed on the inner wall of the top of the light shield (2). An opening is opened at one end of the light shield (2), and a door panel (3) is hinged to the inner side of the opening. A viewing glass (11) is installed on the door panel (3), and a shielding plate (9) is slidably connected to one end of the viewing glass (11).

2. The magnetic particle inspection device for precision bearings with uniform cross-section according to claim 1, characterized in that: The top of the light-proof box (2) is equipped with a fluorescent magnetic suspension storage tank (1), and a connecting pipe (7) is connected to one side of the fluorescent magnetic suspension storage tank (1). A delivery pump (6) is installed on the connecting pipe (7).

3. The magnetic particle inspection device for precision bearings with uniform cross-section according to claim 1, characterized in that: The top of the light-shielding box (2) is fixedly connected to an electric cylinder (5), and a connecting frame (17) is provided on the inner wall of the light-shielding box (2). The lower end of the electric cylinder (5) is connected to the connecting frame (17), and a jet pipe (19) is fixedly connected to the inner side of the connecting frame (17). An ultraviolet irradiation lamp (21) is installed at the bottom of the connecting frame (17).

4. The magnetic particle inspection device for precision bearings with uniform cross-section according to claim 3, characterized in that: The nozzle (20) is installed at the bottom of the spray pipe (19), and the top of the spray pipe (19) is connected to the telescopic pipe (18). One end of the telescopic pipe (18) is connected to the connecting pipe (7).

5. The magnetic particle inspection device for precision bearings with uniform cross-section according to claim 1, characterized in that: One end of the door panel (3) is fixedly connected to a slide rail (8), which is located at the top of the viewing glass (11).

6. The magnetic particle inspection device for precision bearings with uniform cross-section according to claim 1, characterized in that: The inner side of the shield (9) is provided with a slider, and the inner slider of the shield (9) is slidably connected to the slide rail (8). The shield (9) is symmetrically distributed about the bisector of the visible glass (11).

7. The magnetic particle inspection device for precision bearings with uniform cross-section according to claim 1, characterized in that: The testing platform (4) has a mounting bracket (15) fixedly connected inside the groove at the top. An adjustment motor (14) is installed on one side of the mounting bracket (15). A fixing plate (16) is rotatably connected to the inner side of the mounting bracket (15). One end of the shaft of the adjustment motor (14) is connected to the shaft on one side of the fixing plate (16). A drain pipe (10) is connected to the bottom of the fixing plate (16).

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