A device for magnetic inspection of core parts of precision machinery

Abstract

The present invention relates to the technical field of magnetic inspection of parts and components, and discloses a device for magnetic inspection of core parts and components of precision machinery, comprising a bottom plate, a conveying device is fixedly connected to the top of the bottom plate, a base is fixedly connected to the top of the bottom plate, an operating table is fixedly connected to the top of the base, a lifting plate is fixedly connected to the top of the bottom plate, a pushing column is fixedly connected to the side of the base close to the conveying device, a groove is provided on the top of the base, a slide groove is provided on the inner wall of the groove, a detection component is fixedly connected to the inner wall of the groove, and a rotating mechanism is provided, when the rotor needs to be inspected, the rotor will be taken out separately and separated from other rotors to prevent other rotors from affecting the rotor being inspected, thereby ensuring the accuracy of the magnetic inspection result of the equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of magnetic inspection of parts and components, and in particular to a device for magnetic inspection of core parts and components of precision machinery. Background Art

[0002] Component magnetic inspection is the process of detecting the magnetic characteristics of various components. The functions of many components depend on their correct magnetic state. Taking the motor as an example, the stator and rotor of the motor have precise magnetic field design. If there are magnetic problems in the core or winding components, such as abnormal local magnetization of the core, the magnetic field distribution of the motor will be uneven, which will cause the motor's torque fluctuation, reduce efficiency, and even fail to start or operate normally.

[0003] The patent application with application number CN201710149736.9 discloses a magnetic element conveying detection device, which includes a frame, a feed conveying track is provided on the frame, a magnetic conveying track is provided at a position 90 degrees to the feed conveying track, a transmission chain driven by a sprocket is provided next to the magnetic conveying track, and material shifting rods are distributed at equal intervals on the above-mentioned transmission chain. An upper surface imaging detection device, a lower surface imaging detection device, a front side imaging detection device and a rear side imaging detection device of the magnetic element are respectively provided next to the magnetic conveying track. It is characterized in that the above-mentioned magnetic conveying track has a break, and a suspended magnetic conveying block is provided above the break, which can realize imaging detection of the upper, lower, front and rear surfaces of the magnetic element, so as to reduce the workload of detection workers and prevent missed detection.

[0004] When existing equipment performs magnetic detection on motor rotors, it usually detects the rotors during transportation. However, multiple rotors are stacked together during transportation. As a result, when the equipment is actually used, the magnetism of other rotors can easily affect the magnetism of the rotor being detected, thereby making the magnetic detection results of the equipment inaccurate. Summary of the invention

[0005] The purpose of the present invention is to provide a device for magnetic inspection of core parts of precision machinery to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a device for magnetic inspection of core parts of precision machinery, comprising a bottom plate, a conveying device is fixedly connected to the top of the bottom plate, a base is fixedly connected to the top of the bottom plate, an operating table is fixedly connected to the top of the base, a lifting plate is fixedly connected to the top of the bottom plate, a push column is fixedly connected to the side of the base close to the conveying device, a groove is provided on the top of the base, a slide groove 1 is provided on the inner wall of the groove, a detection component is fixedly connected to the inner wall of the groove, and further comprising:

[0007] A rotating mechanism, the rotating mechanism includes a driving device fixedly connected to the outer wall of the base, the output end of the driving device is fixedly connected to a circular plate 1, the outer wall of the circular plate 1 is fixedly connected to a connecting plate 2, the outer wall of the connecting plate 2 is provided with a slide groove 2, the inner wall of the slide groove 2 is movably connected with a locking component, the end of the connecting plate 2 away from the circular plate 1 is fixedly connected to an annular plate 2, the outer wall of the annular plate 2 is provided with a slide groove 3, the outer wall of the connecting plate 2 is fixedly connected to a push rod 2, and the end of the annular plate 2 away from the connecting plate 2 is fixedly connected to a moving component. By setting up the rotating mechanism, when the rotor needs to be inspected, the rotor will be taken out separately and separated from other rotors to prevent other rotors from affecting the rotor being inspected, thereby ensuring the accuracy of the magnetic detection results of the equipment.

[0008] According to the above technical scheme, the detection component includes a push rod, the bottom of the push rod is fixedly connected to the groove, the top of the push rod is fixedly connected to a U-shaped plate, the inner wall of the U-shaped plate is fixedly connected to a moving device, the outer wall of the moving device is movably connected to a sliding seat, the top of the sliding seat is fixedly connected to a locking head, the end of the moving device away from the U-shaped plate is fixedly connected to a connecting plate, the end of the connecting plate away from the moving device is fixedly connected to a sliding column, and the end of the sliding column away from the connecting plate is fixedly connected to the U-shaped plate. When the rotating mechanism drives the rotor to rotate to the top of the equipment, the locking head will be embedded in the moving component, and then the moving component is driven by the moving device to move to the bottom of the detection head, which is convenient for the embedding of the detection head.

[0009] According to the above technical solution, the outer wall of the sliding column is movably connected to a movable seat, the end of the movable seat away from the sliding column is fixedly connected to an annular plate, the outer wall of the movable seat is fixedly connected to a slider, the outer wall of the slider is movably connected to a slide groove, the top of the annular plate is fixedly connected to a motor, the inner wall of the annular plate is rotatably connected to a threaded column through a bearing, the output end of the motor is fixedly connected to the threaded column, the outer wall of the threaded column is provided with a detection head, and the detection head is threadedly connected to the threaded column. By setting up a detection component, the detection head will be extended only when the equipment needs to detect the extended rotor, ensuring that the detection component will not hinder the rotation trajectory of the rotating mechanism, thereby ensuring the stable operation of the equipment.

[0010] According to the above technical solution, the locking assembly includes a slider 2, an outer wall of the slider 2 is movably connected to the slide groove 2, an end of the slider 2 away from the push rod 2 is rotatably connected to a connecting rod through a bearing, an end of the connecting rod away from the slider 2 is fixedly connected to a movable column 1, and the outer surface of the movable column 1 is movably connected to the slide groove 3. When the locking assembly does not lock the movable assembly, the push rod 2 will be in a retracted state to prevent the extended push rod from blocking the movement of the slider 2, thereby ensuring the normal movement of the slider 3 and allowing the locking head 2 to be smoothly embedded in the locking hole.

[0011] According to the above technical solution, the inner wall of the annular plate 2 is fixedly connected with an elastic component, the end of the elastic component away from the annular plate 2 is fixedly connected with a slider 3, the end of the movable column 1 away from the connecting rod is fixedly connected to the slider 3, the outer wall of the slider 3 is fixedly connected with a locking head 2, and the outer wall of the slider 3 is movably connected to the annular plate 2. By setting the locking component, the moving component will be automatically locked after the equipment completes loading, to prevent the moving component from moving outward under the action of inertia when the rotating component rotates, thereby ensuring the smooth operation of the rotor in the moving component and the normal operation of the equipment.

[0012] According to the above technical solution, the movable component includes annular plate three, the end of annular plate two away from connecting plate two is fixedly connected to annular plate three, a sliding groove four is opened on the outer wall of annular plate three, and a through hole one is opened on the end of annular plate three close to annular plate two.

[0013] According to the above technical solution, the inner wall of the annular plate three is movably connected with the movable column two, the outer wall of the movable column two is fixedly connected with the sliding column two, the outer wall of the sliding column two is provided with a locking hole, the inner wall of the locking hole is movably connected with the locking head two, the outer wall of the sliding column two is movably connected with the through hole one, the bottom of the movable column two is provided with a through hole two, the inner wall of the movable column two is fixedly connected with a spring, and the top of the spring is fixedly connected with the circular plate two. Since the bottom of the movable column two is provided with a through hole two, and the inner wall of the movable column two is also connected to the circular plate through the spring, the movable component can complete the unloading by pushing the circular plate from the rear when it is necessary to unload the rotor.

[0014] According to the above technical solution, the outer wall of the movable column two is fixedly connected to the movable column three, the outer wall of the movable column three is movably connected to the slide grooves three and four, the end of the movable column three away from the movable column two is fixedly connected to the connecting column, and a circular hole is provided at the bottom of the connecting column, and the inner wall of the circular hole is movably connected to the locking head one. By setting a moving component, when the equipment detects the rotor, the rotor can be kept away from the driving device in the rotating mechanism to prevent the magnetic elements in the driving device from affecting the detection of the equipment. At the same time, due to the movement of the moving component, the equipment can load and unload materials smoothly to ensure the normal operation of the equipment.

[0015] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0016] 1. The present invention sets a rotating mechanism. When the rotor needs to be tested, the rotor will be taken out separately and separated from other rotors to avoid other rotors from affecting the rotor being tested, thereby ensuring the accuracy of the magnetic detection results of the equipment.

[0017] 2. The present invention sets a moving component so that when the device detects the rotor, the rotor can be kept away from the driving device in the rotating mechanism to prevent the magnetic components in the driving device from affecting the detection of the device. At the same time, due to the movement of the moving component, the device can load and unload materials smoothly to ensure the normal operation of the device.

[0018] 3. The present invention sets a locking component, which will automatically lock the moving component after the equipment completes loading, to prevent the moving component from moving outward under the action of inertia when the rotating component rotates, thereby ensuring the smooth operation of the rotor in the moving component and the normal operation of the equipment.

[0019] 4. The present invention provides a detection component, and the detection head is extended only when the device needs to detect the extended rotor, ensuring that the detection component does not hinder the rotation trajectory of the rotating mechanism and ensuring the stable operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the external structure of the present invention;

[0023] Figure 3 is a schematic diagram of a detection assembly of the present invention;

[0024] Figure 4 It is a schematic diagram of the internal structure of the detection component of the present invention;

[0025] Figure 5 is a schematic diagram of the rotating mechanism of the present invention;

[0026] Figure 6 It is a partial structural schematic diagram of the rotating mechanism of the present invention;

[0027] Figure 7 is a schematic diagram of a locking assembly of the present invention;

[0028] Figure 8is a schematic diagram of a mobile assembly of the present invention;

[0029] Fig. 9 It is a schematic diagram of the external structure of the mobile assembly of the present invention;

[0030] Fig.10 It is a schematic diagram of the active structure of the mobile component of the present invention;

[0031] Fig.11 is a cross-sectional view of the movable structure of the mobile assembly of the present invention;

[0032] In the figure: 1, bottom plate; 101, conveying device; 102, base; 103, operating table; 104, lifting plate; 105, pushing column; 106, groove; 107, slideway 1; 11, detection component; 111, push rod 1; 112, U-shaped plate; 113, moving device; 114, sliding seat; 115, locking head 1; 116, connecting plate 1; 117, sliding column 1; 118, movable seat; 119, slider 1; 1110, annular plate 1; 1111, motor; 1112, threaded column; 1113, detection head; 2, rotating mechanism; 201, driving device; 202, circular plate 1; 20 3. Connecting plate 2; 204. Slide groove 2; 205. Ring plate 2; 206. Slide groove 3; 207. Push rod 2; 21. Locking assembly; 211. Sliding block 2; 212. Connecting rod; 213. Active column 1; 214. Sliding block 3; 215. Elastic assembly; 216. Locking head 2; 22. Moving assembly; 221. Ring plate 3; 222. Slide groove 4; 223. Through hole 1; 224. Active column 2; 225. Sliding column 2; 226. Active column 3; 227. Connecting column; 228. Round hole; 229. Locking hole; 2210. Spring; 2211. Ring plate 2; 2212. Through hole 2. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] Example 1: See Figure 1-Figure 4 The present invention provides a technical solution: a device for magnetic inspection of core components of precision machinery, including a bottom plate 1, a conveying device 101 is fixedly connected to the top of the bottom plate 1, a base 102 is fixedly connected to the top of the bottom plate 1, an operating table 103 is fixedly connected to the top of the base 102, a lifting plate 104 is fixedly connected to the top of the bottom plate 1, a pushing column 105 is fixedly connected to the side of the base 102 close to the conveying device 101, a groove 106 is opened on the top of the base 102, a slide groove 107 is opened on the inner wall of the groove 106, and a detection component 11 is fixedly connected to the inner wall of the groove 106.

[0037] The detection assembly 11 includes a push rod 111, the bottom of the push rod 111 is fixedly connected to the groove 106, the top of the push rod 111 is fixedly connected to a U-shaped plate 112, the inner wall of the U-shaped plate 112 is fixedly connected to a moving device 113, the outer wall of the moving device 113 is movably connected to a sliding seat 114, the top of the sliding seat 114 is fixedly connected to a locking head 115, the end of the moving device 113 away from the U-shaped plate 112 is fixedly connected to a connecting plate 116, the end of the connecting plate 116 away from the moving device 113 is fixedly connected to a sliding column 117, and the end of the sliding column 117 away from the connecting plate 116 is fixed to the U-shaped plate 112. The outer wall of the sliding column 117 is movably connected to a movable seat 118, and one end of the movable seat 118 away from the sliding column 117 is fixedly connected to an annular plate 1110, and the outer wall of the movable seat 118 is fixedly connected to a slider 119, and the outer wall of the slider 119 is movably connected to the slide groove 107, and the top of the annular plate 1110 is fixedly connected to a motor 1111, and the inner wall of the annular plate 1110 is rotatably connected to a threaded column 1112 through a bearing, and the output end of the motor 1111 is fixedly connected to the threaded column 1112, and the outer wall of the threaded column 1112 is sleeved with a detection head 1113, and the detection head 1113 is threadedly connected to the threaded column 1112.

[0038] The working principle of this embodiment is as follows: when the device needs to detect the rotor, first start the pushing column 105 to push the detected rotor in the moving component 22 into the interior of the conveying device 101. After the unloading of the moving component 22 is completed, the pushing column 105 contracts, and the lifting plate 104 is started to lift the moving component 22, and the conveying device 101 pushes the next rotor into the moving component 22. Then the rotating mechanism 2 rotates. After the rotation is completed, the push rod 111 drives the main body of the detection component 11 to move upward. At this time, the locking head 115 will be embedded in the moving component 22, and driven by the moving device 113, the moving component 22 will move toward the direction of the detection head 1113. At the same time, when the main body of the detection component 11 moves upward, the movable seat 118 will move forward driven by the slide slot 107 and the slider 119, and then the motor 1111 is started to drive the threaded column 1112 to rotate. The rotating threaded column 1112 drives the detection head 1113 to pass through the rotor to detect the magnetism in the rotor.

[0039] Example 2: Based on Example 1, please refer to Figure 5-Figure 11 , the rotating mechanism 2 includes a driving device 201 fixedly connected to the outer wall of the base 102, the output end of the driving device 201 is fixedly connected to a circular plate 1 202, the outer wall of the circular plate 1 202 is fixedly connected to a connecting plate 203, the outer wall of the connecting plate 203 is provided with a slide groove 204, the inner wall of the slide groove 204 is movably connected with a locking component 21, the end of the connecting plate 203 away from the circular plate 1 202 is fixedly connected to an annular plate 205, the outer wall of the annular plate 205 is provided with a slide groove 3 206, the outer wall of the connecting plate 203 is fixedly connected to a push rod 207, and the end of the annular plate 205 away from the connecting plate 203 is fixedly connected to a moving component 22.

[0040] The locking assembly 21 includes a slider 211, an outer wall of the slider 211 is movably connected to the slide groove 204, an end of the slider 211 away from the push rod 207 is rotatably connected to the connecting rod 212 through a bearing, an end of the connecting rod 212 away from the slider 211 is fixedly connected to the movable column 1 213, the outer surface of the movable column 1 213 is movably connected to the slide groove 3 206, an inner wall of the annular plate 205 is fixedly connected to the elastic assembly 215, an end of the elastic assembly 215 away from the annular plate 205 is fixedly connected to the slider 3 214, an end of the movable column 1 213 away from the connecting rod 212 is fixedly connected to the slider 3 214, an outer wall of the slider 3 214 is fixedly connected to the locking head 216, and the outer wall of the slider 3 214 is movably connected to the annular plate 205.

[0041] The moving assembly 22 includes an annular plate 3 221, an end of the annular plate 205 away from the connecting plate 203 is fixedly connected to the annular plate 3 221, an outer wall of the annular plate 3 221 is provided with a sliding groove 4 222, an end of the annular plate 3 221 close to the annular plate 205 is provided with a through hole 1 223, an inner wall of the annular plate 3 221 is movably connected with a movable column 224, an outer wall of the movable column 224 is fixedly connected with a sliding column 225, an outer wall of the sliding column 225 is provided with a locking hole 229, an inner wall of the locking hole 229 is movably connected with the locking head 216, and an outer wall of the sliding column 225 It is movably connected to the through hole 1 223, a through hole 2212 is provided at the bottom of the movable column 224, a spring 2210 is fixedly connected to the inner wall of the movable column 224, a circular plate 2211 is fixedly connected to the top of the spring 2210, a movable column 3 226 is fixedly connected to the outer wall of the movable column 224, the outer wall of the movable column 3 226 is movably connected to the slide groove 3 206, an end of the movable column 3 226 away from the movable column 224 is fixedly connected to a connecting column 227, a circular hole 228 is provided at the bottom of the connecting column 227, and the inner wall of the circular hole 228 is movably connected to the locking head 115.

[0042] The working principle of this embodiment is as follows: when the device detects the rotor, the locking head in the locking assembly 21 will be embedded in the locking hole 229, so that the movable column 224 is locked at one end close to the circular plate 1 202. At this time, the rotor is pushed into the movable column 224 through the conveying device 101, and then the driving device 201 is started to drive the circular plate 1 202 to rotate. The rotating circular plate 1 202 drives the moving assembly 22 to rotate through the connecting plate 2 203 and the annular plate 205. After the rotation is completed, the moving assembly 22 is above the base 102. At this time, the locking head 115 in the detection assembly 11 is embedded in the circular hole 228 and drives the movable column 2 224 moves, and then the rotor in the movable column 224 is detected by the detection head 1113. After the detection is completed, the driving device 201 rotates again to transfer the movable component 22 to the front end of the base 102, and then the pushing column 105 is started to drive the circular plate 2211 to move. The moving circular plate 2211 pushes the rotor in the movable column 224 into the conveying device 101, and then the pushing column 105 is reset, and the lifting plate 104 is started to lift the movable component 22. As the movable column 224 moves, the locking head 216 will be embedded in the locking hole 229 to lock the position of the movable column 224 to facilitate subsequent loading and rotation.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for magnetic inspection of core parts of precision machinery, comprising a bottom plate (1), a conveying device (101) being fixedly connected to the top of the bottom plate (1), a base (102) being fixedly connected to the top of the bottom plate (1), an operating table (103) being fixedly connected to the top of the base (102), a lifting plate (104) being fixedly connected to the top of the bottom plate (1), a pushing column (105) being fixedly connected to the side of the base (102) close to the conveying device (101), a groove (106) being provided on the top of the base (102), a slide groove (107) being provided on the inner wall of the groove (106), and a detection component (11) being fixedly connected to the inner wall of the groove (106), characterized in that: Also includes: A rotating mechanism (2), the rotating mechanism (2) comprising a driving device (201) fixedly connected to the outer wall of a base (102), the output end of the driving device (201) being fixedly connected to a circular plate 1 (202), the outer wall of the circular plate 1 (202) being fixedly connected to a connecting plate 2 (203), the outer wall of the connecting plate 2 (203) being provided with a sliding groove 2 (204), the inner wall of the sliding groove 2 (204) being movably connected to a locking component (21), the end of the connecting plate 2 (203) away from the circular plate 1 (202) being fixedly connected to an annular plate 2 (205), the outer wall of the annular plate 2 (205) being provided with a sliding groove 3 (206), the outer wall of the connecting plate 2 (203) being fixedly connected to a push rod 2 (207), and the end of the annular plate 2 (205) away from the connecting plate 2 (203) being fixedly connected to a moving component (22); The locking assembly (21) comprises a slider 2 (211), the outer wall of the slider 2 (211) is movably connected to the slide groove 2 (204), the end of the slider 2 (211) away from the push rod 2 (207) is rotatably connected to the connecting rod (212) through a bearing, the end of the connecting rod (212) away from the slider 2 (211) is fixedly connected to the movable column 1 (213), the outer surface of the movable column 1 (213) is movably connected to the slide groove 3 (206), the inner wall of the annular plate 2 (205) is fixedly connected to the elastic assembly (215), the end of the elastic assembly (215) away from the annular plate 2 (205) is fixedly connected to the slider 3 (214), the end of the movable column 1 (213) away from the connecting rod (212) is fixedly connected to the slider 3 (214), the outer wall of the slider 3 (214) is fixedly connected to the locking head 2 (216), and the outer wall of the slider 3 (214) is movably connected to the annular plate 2 (205); The moving assembly (22) comprises an annular plate three (221), an end of the annular plate two (205) away from the connecting plate two (203) is fixedly connected to the annular plate three (221), an outer wall of the annular plate three (221) is provided with a sliding groove four (222), an end of the annular plate three (221) close to the annular plate two (205) is provided with a through hole one (223), an inner wall of the annular plate three (221) is movably connected to a movable column two (224), an outer wall of the movable column two (224) is fixedly connected to a sliding column two (225), an outer wall of the sliding column two (225) is provided with a locking hole (229), an inner wall of the locking hole (229) is movably connected to the locking head two (216), and the sliding column two (225) is provided with a locking hole (229). The outer wall is movably connected to the through hole one (223); the bottom of the movable column two (224) is provided with a through hole two (2212); the inner wall of the movable column two (224) is fixedly connected with a spring (2210); the top of the spring (2210) is fixedly connected with a circular plate two (2211); the outer wall of the movable column two (224) is fixedly connected with a movable column three (226); the outer wall of the movable column three (226) is movably connected with the slide groove three (206); the end of the movable column three (226) away from the movable column two (224) is fixedly connected with a connecting column (227); a circular hole (228) is provided at the bottom of the connecting column (227); the inner wall of the circular hole (228) is movably connected with the locking head one (115).

2. The device for magnetic inspection of core parts of precision machinery according to claim 1, characterized in that: The detection assembly (11) comprises a push rod (111), the bottom of which is fixedly connected to the groove (106), the top of which is fixedly connected to a U-shaped plate (112), the inner wall of which is fixedly connected to a moving device (113), the outer wall of which is movably connected to a sliding seat (114), the top of which is fixedly connected to a locking head (115), the end of which is away from the U-shaped plate (112) is fixedly connected to a connecting plate (116), the end of which is away from the moving device (113) is fixedly connected to a sliding column (117), and the end of which is away from the connecting plate (116) is fixedly connected to the U-shaped plate (112).

3. The device for magnetic inspection of core parts of precision machinery according to claim 2, characterized in that: The outer wall of the sliding column (117) is movably connected to a movable seat (118); one end of the movable seat (118) away from the sliding column (117) is fixedly connected to an annular plate (1110); the outer wall of the movable seat (118) is fixedly connected to a slider (119); the outer wall of the slider (119) is movably connected to a slide groove (107); the top of the annular plate (1110) is fixedly connected to a motor (1111); the inner wall of the annular plate (1110) is rotatably connected to a threaded column (1112) via a bearing; the output end of the motor (1111) is fixedly connected to the threaded column (1112); the outer wall of the threaded column (1112) is sleeved with a detection head (1113); and the detection head (1113) is threadedly connected to the threaded column (1112).

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