Magnetization clamp for magnetic powder detection device

Abstract

The utility model discloses a magnetization clamp for a magnetic powder detection device, which relates to the technical field of magnetic powder detection and comprises a receiving disc, positioning plates are symmetrically and fixedly mounted on the upper surface of the receiving disc, movable plates are movably mounted on the inner walls of the multiple positioning plates, and limiting sleeve plates are fixedly mounted on the upper surfaces of the multiple movable plates. And movable columns are slidably mounted on the inner walls of the multiple limiting sleeve plates, clamping plates are fixedly mounted at one ends of the multiple movable columns, vertical plates are fixedly mounted on the upper surfaces of the multiple movable columns, and mounting plates are fixedly mounted on the upper surfaces of the multiple limiting sleeve plates. According to the magnetic powder workpiece clamping device, the end of the external threaded rod is clamped and fixed by forming the connecting groove in the outer wall of the vertical plate, the movable columns can be synchronously driven to move by rotating the external threaded rod, the magnetic powder workpiece can be clamped and fixed by tightening and positioning the multiple movable columns, the clamping stability degree of the magnetic powder workpiece can be effectively improved, and the working efficiency is improved. And the method is suitable for magnetic powder workpieces of various dimensions.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic particle testing, and more specifically, to a magnetization fixture for a magnetic particle testing device. Background Art

[0002] Magnetic particle testing is a method of observing defects using magnetic particles as a display medium. According to the type of magnetic particle medium applied during magnetization, the testing method is divided into wet method and dry method. According to the time when magnetic particles are applied to the workpiece, the inspection method is divided into continuous method and residual magnetism method. During the process of magnetic particle testing, a magnetization fixture is usually required to assist the operation.

[0003] In the Chinese utility model patent application number: CN202222901442.6, there is disclosed a magnetization fixture for a magnetic particle testing device. The structure includes a bottom plate. The upper surface of the bottom plate is fixedly connected with a stop block. The right side of the stop block is fixedly connected with a support plate. The bottom of the support plate and the upper surface of the bottom plate are fixedly connected with support columns. The upper surface of the support plate is fixedly connected with a magnetic plate. This magnetization fixture for a magnetic particle testing device adopts a magnet adsorption type fixture structure for magnetic particle testing, with a low clamping stability for magnetic particle workpieces, a single form of the fixture mechanism of the device, and does not have the function of clamping and fixing magnetic particle workpieces at multiple angles.

[0004] Therefore, it is very necessary to propose a magnetization fixture for a magnetic particle testing device to solve the above problems. Summary of the Utility Model

[0005] (I) Technical Problems to be Solved

[0006] The purpose of the present utility model is to solve the problems that the magnetization fixture for a magnetic particle testing device adopts a magnet adsorption type fixture structure for magnetic particle testing, with a low clamping stability for magnetic particle workpieces, a single form of the fixture mechanism of the device, and does not have the function of clamping and fixing magnetic particle workpieces at multiple angles. The present utility model provides a magnetization fixture for a magnetic particle testing device.

[0007] (II) Technical Solutions

[0008] The present utility model specifically adopts the following technical solutions to achieve the above purpose:

[0009] A magnetization fixture for a magnetic particle testing device includes a receiving plate. The upper surface of the receiving plate is symmetrically and fixedly installed with positioning plates. A movable plate is movably installed inside the plurality of positioning plates. The upper surface of the plurality of movable plates is fixedly installed with limiting sleeve plates. A movable column is slidably installed inside the plurality of limiting sleeve plates. One end of the plurality of movable columns is fixedly installed with a clamping plate. The upper surface of the plurality of movable columns is fixedly installed with vertical plates. The upper surface of the plurality of limiting sleeve plates is fixedly installed with mounting plates. An external threaded rod is threadedly installed inside the plurality of mounting plates. A connection groove is formed on the outer wall of the plurality of vertical plates.

[0010] Further, a top plate is fixedly installed on the upper surfaces of the multiple vertical plates, and a mounting shaft is fixedly installed on the upper surfaces of the multiple top plates.

[0011] Further, a mounting rod is rotatably installed on the inner walls of the multiple mounting shafts, a movable rod is fixedly installed on the outer walls of the multiple mounting rods, and the ends of the multiple movable rods are arranged in an arc shape and are rotatably connected and matched with the mounting shafts.

[0012] Further, a rubber strip is fixedly installed at the bottom ends of the multiple movable rods, and an extension plate is fixedly installed on one side outer wall of the multiple top plates. Through the arrangement of the rubber strip, it is used for non-destructive pressing of the magnetic powder workpiece.

[0013] Further, positioning rods are symmetrically and fixedly installed on the upper surfaces of the multiple extension plates, extension blocks are fixedly installed on the outer walls of the multiple movable rods, the multiple positioning rods are arranged in a circular shape and correspond to the multiple extension blocks one by one.

[0014] Further, internal threaded holes are formed in the multiple extension blocks, external threaded columns are symmetrically installed on the inner walls of the multiple internal threaded holes in a threaded manner, turntables are fixedly installed at the ends of the multiple external threaded columns, and the multiple external threaded columns are adapted to the internal threaded holes.

[0015] Further, rubber pads are fixedly installed on the outer walls of the multiple clamping plates, sliding grooves are symmetrically formed on the outer walls of the multiple movable columns, mounting columns are fixedly installed at the ends of the multiple external threaded rods. Through the arrangement of the rubber pads, it is used for non-destructive clamping of the outer wall of the magnetic powder workpiece.

[0016] Further, grip rods are fixedly installed on the outer walls of the multiple mounting columns, support columns are symmetrically and fixedly installed on the lower surface of the receiving tray, the bottom ends of the multiple support columns are fixedly connected to a bottom plate, and grip handles are symmetrically fixedly installed on the outer wall of the bottom plate.

[0017] Further, a rubber disk is fixedly installed on the upper surface of the receiving tray, receiving rods are symmetrically and fixedly installed on the lower surface inside the receiving tray, and a magnetizing plate is fixedly connected to the top ends of the multiple receiving rods.

[0018] Further, a conductive sheet is provided on the lower surface of one side of the magnetizing plate, a through hole is formed on the lower surface of one side of the receiving tray, and wires are symmetrically provided on the outer surface of the conductive sheet.

[0019] (III) Beneficial effects

[0020] The beneficial effects of the present utility model are as follows:

[0021] 1. In this utility model, by providing a connection groove on the outer wall of the vertical plate, the clamping and fixing of the end of the external threaded rod are achieved. By rotating the external threaded rod, the position of the movable column can be synchronously driven to move. Multiple movable columns are clamped and positioned to achieve the clamping and fixing of the magnetic powder workpiece, which can effectively improve the clamping stability of the magnetic powder workpiece and is applicable to magnetic powder workpieces of various size specifications.

[0022] 2. In this utility model, by tightening the turntable and closely fitting it to the outer wall of the positioning rod, the adjustment and fixing of the swing angle of the movable rod are achieved. It can drive the rubber strip to move downward to achieve the pressing treatment of the magnetic powder workpiece on the surface of the receiving plate, and the position can be synchronously adjusted by the movement of the clamping mechanism, which can effectively improve the diversity of the device's use and achieve the multi-angle clamping and fixing of the magnetic powder workpiece.

[0023] 3. In this utility model, by providing multiple receiving rods inside the receiving plate, the support and fixing of the magnetizing plate are achieved. By providing a conductive sheet on the lower surface of the magnetizing plate and energizing the magnetizing plate through a wire, the magnetization treatment of the clamping mechanism of the device is achieved, which can effectively improve the detection accuracy of the surface of the magnetic powder workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a three-dimensional top view schematic diagram of the structure of this utility model;

[0025] Figure 2 is a three-dimensional front sectional view schematic diagram of the structure of this utility model;

[0026] Figure 3 is a three-dimensional side view schematic diagram of the fixture structure of this utility model;

[0027] Figure 4 is a three-dimensional sectional view schematic diagram of the fixture structure of this utility model;

[0028] Figure 5 is a three-dimensional side view schematic diagram of the pressing structure of this utility model;

[0029] Figure 6 is a three-dimensional top view schematic diagram of the pressing structure of this utility model;

[0030] Figure 7 is of this utility model Figure 2 is an enlarged schematic diagram of the structure of area A;

[0031] Figure 8 is of this utility model Figure 4 is an enlarged schematic diagram of the structure of area B;

[0032] Figure 9 is of this utility model Figure 6 is an enlarged schematic diagram of the structure of area C.

[0033] Reference numerals: 1, receiving tray; 2, positioning plate; 3, movable plate; 4, limiting sleeve plate; 5, movable column; 6, clamping plate; 7, vertical plate; 8, mounting plate; 9, external threaded rod; 10, connecting groove; 11, top plate; 12, mounting shaft; 13, mounting rod; 14, movable rod; 15, rubber strip; 16, extension plate; 17, positioning rod; 18, extension block; 19, internal threaded hole; 20, external threaded column; 21, turntable; 22, rubber pad; 23, chute; 24, mounting column; 25, grip rod; 26, support column; 27, bottom plate; 28, handle; 29, rubber disc; 30, receiving rod; 31, magnetizing plate; 32, conductive sheet; 33, through hole; 34, wire. Detailed implementation mode

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention. Embodiment 1

[0035] Please refer to Figures 1-9 , a magnetization fixture for a magnetic particle detection device, including a receiving tray 1, positioning plates 2 are symmetrically and fixedly installed on the upper surface of the receiving tray 1, a movable plate 3 is movably installed on the inner walls of multiple positioning plates 2, a limiting sleeve plate 4 is fixedly installed on the upper surfaces of multiple movable plates 3, a movable column 5 is slidably installed on the inner walls of multiple limiting sleeve plates 4, a clamping plate 6 is fixedly installed at one end of multiple movable columns 5, a vertical plate 7 is fixedly installed on the upper surfaces of multiple movable columns 5, a mounting plate 8 is fixedly installed on the upper surfaces of multiple limiting sleeve plates 4, an external threaded rod 9 is threadedly installed on the inner walls of multiple mounting plates 8, and a connecting groove 10 is opened on the outer walls of multiple vertical plates 7.

[0036] In this embodiment, by arranging multiple positioning plates 2 on the upper surface of the receiving tray 1 and distributing them in a circular array, and arranging a movable plate 3 on the inner walls of multiple positioning plates 2 to drive the limiting sleeve plate 4 to move horizontally along the positioning plate 2, and arranging a movable column 5 on the inner wall of the limiting sleeve plate 4 to synchronously drive the clamping plate 6 to move. During this process, by arranging a mounting plate 8 on the upper surface of the limiting sleeve plate 4 to support and position the external threaded rod 9, and arranging a connecting groove 10 on the outer wall of the vertical plate 7 to realize the clamping and fixing of the end of the external threaded rod 9. By rotating the external threaded rod 9, the movable column 5 can be synchronously driven to move. Multiple movable columns 5 are clamped and positioned to realize the clamping and fixing of the magnetic particle workpiece, which can effectively improve the clamping stability of the magnetic particle workpiece and is applicable to magnetic particle workpieces of various size specifications. Embodiment 2

[0037] Please refer to Figures 1-9 , in this embodiment, further optimization is carried out on the basis of Embodiment 1. Specifically, a top plate 11 is fixedly installed on the upper surface of a plurality of vertical plates 7, and a mounting shaft 12 is fixedly installed on the upper surface of a plurality of top plates 11.

[0038] Specifically, a mounting rod 13 is rotatably installed on the inner wall of a plurality of mounting shafts 12, a movable rod 14 is fixedly installed on the outer wall of a plurality of mounting rods 13, and the ends of a plurality of movable rods 14 are arranged in an arc shape and are rotatably connected and matched with the mounting shaft 12.

[0039] Specifically, a rubber strip 15 is fixedly installed at the bottom end of a plurality of movable rods 14, and an extension plate 16 is fixedly installed on one side outer wall of a plurality of top plates 11. Through the arrangement of the rubber strip 15, it is used for non-destructive pressing of the magnetic powder workpiece.

[0040] Specifically, positioning rods 17 are symmetrically and fixedly installed on the upper surface of a plurality of extension plates 16, extension blocks 18 are fixedly installed on the outer wall of a plurality of movable rods 14, and a plurality of positioning rods 17 are arranged in a circular ring shape and correspond to a plurality of extension blocks 18 one by one.

[0041] Specifically, internal threaded holes 19 are formed in the interior of a plurality of extension blocks 18, external threaded columns 20 are symmetrically installed on the inner walls of a plurality of internal threaded holes 19 in a threaded manner, turntables 21 are fixedly installed at the ends of a plurality of external threaded columns 20, and a plurality of external threaded columns 20 are adapted to the internal threaded holes 19.

[0042] In this embodiment, by arranging the top plate 11 on the upper surface of a plurality of vertical plates 7 and through the cooperation of the mounting shaft 12, it is used for the support and positioning of the mounting rod 13, so that the movable rod 14 can rotate and swing along the mounting shaft 12 and synchronously drive the rubber strip 15 to move. During this process, by arranging the extension plate 16 on the outer wall of the movable rod 14, it is used for the support and positioning of the positioning rod 17. A plurality of positioning rods 17 are arranged in an arc shape and correspond to the extension blocks 18 on the outer wall of the movable rod 14. At the same time, by arranging the internal threaded hole 19 in the extension block 18, it is used for the threaded connection of the external threaded column 20. By tightening the turntable 21 and closely fitting it with the outer wall of the positioning rod 17, the adjustment and fixation of the swing angle of the movable rod 14 can be realized, the rubber strip 15 can be driven to move downward, the pressing treatment of the magnetic powder workpiece on the surface of the receiving tray 1 can be realized, and the position can be synchronously adjusted through the movement of the clamping mechanism, which can effectively improve the use diversity of the device and realize the multi-angle clamping and fixation of the magnetic powder workpiece. Embodiment 3

[0043] Please refer to Figures 1-9, this embodiment makes the following optimizations based on Example 1 or Example 2. Specifically, rubber pads 22 are fixedly installed on the outer walls of multiple clamping plates 6, sliding grooves 23 are symmetrically formed on the outer walls of multiple movable columns 5, and mounting columns 24 are fixedly installed at the ends of multiple outer threaded rods 9. Through the setting of the rubber pads 22, it is used for non-destructive clamping of the outer wall of the magnetic powder workpiece.

[0044] Specifically, grip rods 25 are fixedly installed on the outer walls of multiple mounting columns 24, support columns 26 are symmetrically and fixedly installed on the lower surface of the receiving plate 1, the bottom ends of multiple support columns 26 are fixedly connected to a bottom plate 27, and grip handles 28 are symmetrically and fixedly installed on the outer wall of the bottom plate 27.

[0045] Specifically, a rubber plate 29 is fixedly installed on the upper surface of the receiving plate 1, receiving rods 30 are symmetrically and fixedly installed on the lower surface inside the receiving plate 1, and the top ends of multiple receiving rods 30 are fixedly connected to a magnetizing plate 31.

[0046] Specifically, a conductive sheet 32 is provided on the lower surface of one side of the magnetizing plate 31, a through hole 33 is formed on the lower surface of one side of the receiving plate 1, and wires 34 are symmetrically provided on the outer surface of the conductive sheet 32.

[0047] In this embodiment, by providing the mounting columns 24 at the ends of multiple outer threaded rods 9 for the installation and fixation of the grip rods 25, it helps to improve the rotation convenience of the outer threaded rods 9. During actual use, by providing the support columns 26 on the lower surface of the receiving plate 1 and through the cooperation of the bottom plate 27, it is used for the support and fixation of the device. By providing multiple receiving rods 30 inside the receiving plate 1, the support and fixation of the magnetizing plate 31 are realized. By providing the conductive sheet 32 on the lower surface of the magnetizing plate 31 and through the wires 34, the magnetizing plate 31 is energized to realize the magnetization treatment of the clamping mechanism of the device, which can effectively improve the detection accuracy of the surface of the magnetic powder workpiece.

[0048] Working principle: When in use, first, through the cooperation of the bottom plate 27, the device is fixedly installed in a specific magnetic particle workpiece detection area. By arranging a plurality of positioning plates 2 on the upper surface of the receiving plate 1 and distributing them in a circular array, and arranging a movable plate 3 on the inner wall of the plurality of positioning plates 2 to drive the limit sleeve plate 4 to move horizontally along the positioning plate 2. By arranging a movable column 5 on the inner wall of the limit sleeve plate 4, the clamping plate 6 is synchronously driven to move its position. During this process, an installation plate 8 is arranged on the upper surface of the limit sleeve plate 4 to support and position the external threaded rod 9. By arranging a connecting groove 10 on the outer wall of the vertical plate 7, the end of the external threaded rod 9 is clamped and fixed. By rotating the external threaded rod 9, the movable column 5 can be synchronously driven to move its position. The plurality of movable columns 5 are clamped and positioned to clamp and fix the magnetic particle workpiece. By arranging a top plate 11 on the upper surface of the plurality of vertical plates 7 and through the cooperation of the installation shaft 12, the support and positioning of the installation rod 13 are realized, so that the movable rod 14 can rotate and swing along the installation shaft 12 and synchronously drive the rubber strip 15 to move its position. During this process, an extension plate 16 is arranged on the outer wall of the movable rod 14 to support and position the positioning rod 17. The plurality of positioning rods 17 are arranged in an arc shape and correspond to the extension blocks 18 on the outer wall of the movable rod 14. At the same time, an internal threaded hole 19 is arranged inside the extension block 18 for threaded connection with the external threaded column 20. By tightening the turntable 21 and closely fitting it with the outer wall of the positioning rod 17, the adjustment and fixation of the swinging angle of the movable rod 14 are realized, and the rubber strip 15 can be driven to move downward to realize the pressing treatment of the magnetic particle workpiece on the surface of the receiving plate 1, and the position can be synchronously adjusted through the movement of the clamping mechanism. By arranging an installation column 24 at the end of the plurality of external threaded rods 9 for the installation and fixation of the grip rod 25, it helps to improve the rotation convenience of the external threaded rod 9. During the actual use process, support columns 26 are arranged on the lower surface of the receiving plate 1 and through the cooperation of the bottom plate 27, the support and fixation of the device are realized. By arranging a plurality of receiving rods 30 inside the receiving plate 1, the support and fixation of the magnetizing plate 31 are realized. A conductive sheet 32 is arranged on the lower surface of the magnetizing plate 31, and the magnetizing plate 31 is energized through the wire 34 to realize the magnetization treatment of the clamping mechanism of the device.

[0049] In summary: For this utility model, an installation plate 8 is provided on the upper surface of the limit sleeve plate 4 for supporting and positioning the external threaded rod 9. By providing a connection groove 10 on the outer wall of the vertical plate 7, the clamping and fixing of the end of the external threaded rod 9 are realized. By rotating the external threaded rod 9, the movable column 5 can be driven to move synchronously. Multiple movable columns 5 are clamped and positioned to realize the clamping and fixing of the magnetic powder workpiece, which can effectively improve the clamping stability of the magnetic powder workpiece and is applicable to magnetic powder workpieces of various size specifications. By providing an internal threaded hole 19 inside the extension block 18 for the threaded connection of the external threaded column 20, and by tightening the turntable 21 and closely fitting it to the outer wall of the positioning rod 17, the adjustment and fixing of the swing angle of the movable rod 14 are realized, which can drive the rubber strip 15 to move downward to realize the pressing treatment of the magnetic powder workpiece on the surface of the receiving tray 1, and the position can be synchronously adjusted by the movement of the clamping mechanism, which can effectively improve the diversity of the device's use and realize the multi-angle clamping and fixing of the magnetic powder workpiece. By providing support columns 26 on the lower surface of the receiving tray 1 and cooperating with the bottom plate 27, the support and fixing of the device are realized. By providing multiple receiving rods 30 inside the receiving tray 1, the support and fixing of the magnetizing plate 31 are realized. By providing a conductive sheet 32 on the lower surface of the magnetizing plate 31 and energizing the magnetizing plate 31 through the wire 34, the magnetization treatment of the clamping mechanism of the device is realized, which can effectively improve the detection accuracy of the surface of the magnetic powder workpiece and is suitable for popularization.

[0050] The above is only the preferred embodiment of the present utility model and is not intended to limit the present utility model. The patent protection scope of the present utility model shall be subject to the claims. Any equivalent structural changes made by using the description and drawings of the present utility model shall be equally included in the protection scope of the present utility model.

Claims

1. A magnetizing fixture for a magnetic particle detection device, comprising a receiving plate (1), characterized in that: Positioning plates (2) are symmetrically fixedly mounted on the upper surface of the receiving plate (1); multiple movable plates (3) are movably mounted on the inner walls of the positioning plates (2); multiple limit sleeves (4) are fixedly mounted on the upper surfaces of the movable plates (3); multiple movable columns (5) are slidably mounted on the inner walls of the limit sleeves (4); multiple clamping plates (6) are fixedly mounted on one end of the multiple movable columns (5); multiple vertical plates (7) are fixedly mounted on the upper surfaces of the multiple movable columns (5); multiple mounting plates (8) are fixedly mounted on the upper surfaces of the limit sleeves (4); multiple external threaded rods (9) are threadedly mounted on the inner walls of the multiple mounting plates (8); and multiple connecting grooves (10) are provided on the outer walls of the multiple vertical plates (7).

2. The magnetizing fixture for a magnetic particle detection device according to claim 1, characterized in that: A top plate (11) is fixedly mounted on the upper surfaces of the plurality of vertical plates (7), and a mounting shaft (12) is fixedly mounted on the upper surfaces of the plurality of top plates (11).

3. The magnetizing fixture for a magnetic particle detection device according to claim 2, characterized in that: The inner walls of the plurality of mounting shafts (12) are rotatably mounted with mounting rods (13), and the outer walls of the plurality of mounting rods (13) are fixedly mounted with movable rods (14).

4. The magnetizing fixture for a magnetic powder detection device according to claim 3, characterized in that: A rubber strip (15) is fixedly mounted on the bottom ends of the plurality of movable rods (14), and an extension plate (16) is fixedly mounted on one side outer wall of the plurality of top plates (11).

5. The magnetizing fixture for a magnetic powder detection device according to claim 4, characterized in that: Positioning rods (17) are symmetrically fixedly mounted on the upper surfaces of the plurality of extension plates (16), and extension blocks (18) are fixedly mounted on the outer walls of the plurality of movable rods (14).

6. The magnetizing fixture for a magnetic powder detection device according to claim 5, characterized in that: Internal threaded holes (19) are provided inside the plurality of extension blocks (18), external threaded columns (20) are symmetrically threadedly mounted on the inner walls of the plurality of internal threaded holes (19), and rotating disks (21) are fixedly mounted on the ends of the plurality of external threaded columns (20).

7. The magnetizing fixture for a magnetic particle detection device according to claim 1, characterized in that: The outer walls of the plurality of clamping plates (6) are fixedly mounted with rubber pads (22), the outer walls of the plurality of movable columns (5) are symmetrically provided with sliding grooves (23), and the ends of the plurality of externally threaded rods (9) are fixedly mounted with mounting columns (24).

8. The magnetizing fixture for a magnetic particle detection device according to claim 7, characterized in that: A gripping rod (25) is fixedly mounted on the outer wall of the plurality of mounting columns (24); a supporting column (26) is symmetrically fixedly mounted on the lower surface of the receiving plate (1); the bottom ends of the plurality of supporting columns (26) are fixedly connected to a bottom plate (27); and a gripping handle (28) is symmetrically fixedly mounted on the outer wall of the bottom plate (27).

9. The magnetizing fixture for a magnetic particle detection device according to claim 1, characterized in that: A rubber disc (29) is fixedly mounted on the upper surface of the receiving disc (1), receiving rods (30) are symmetrically fixedly mounted on the inner lower surface of the receiving disc (1), and magnetizing plates (31) are fixedly connected to the top ends of a plurality of receiving rods (30).

10. The magnetizing fixture for a magnetic particle detection device according to claim 9, characterized in that: A conductive sheet (32) is provided on the lower surface of one side of the magnetizing plate (31), a through hole (33) is provided on the lower surface of one side of the receiving disk (1), and conductive wires (34) are symmetrically provided on the outer surface of the conductive sheet (32).

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