CN108375744B - Magnet fixing jig - Google Patents
Magnet fixing jig Download PDFInfo
- Publication number
- CN108375744B CN108375744B CN201810236074.3A CN201810236074A CN108375744B CN 108375744 B CN108375744 B CN 108375744B CN 201810236074 A CN201810236074 A CN 201810236074A CN 108375744 B CN108375744 B CN 108375744B
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- fixing
- magnet
- fixed
- fixing plate
- weak magnetic
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- 239000000523 sample Substances 0.000 claims description 5
- 230000004907 flux Effects 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 8
- 230000003313 weakening effect Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a magnet fixing jig which comprises a magnet fixing seat and two magnet supporting seats which are vertically fixed on the magnet fixing seat and are parallel to each other, wherein a weak magnetic fixing plate is fixed between the upper ends of the two magnet supporting seats, a fixing assembly and a moving assembly are arranged on the weak magnetic fixing plate, a magnet is fixed between the fixing assembly and the moving assembly, a telescopic cylinder is arranged at the lower end of the weak magnetic fixing plate, and a U-shaped groove for accommodating and fixing the telescopic cylinder is arranged on the magnet supporting seats. The jig is high in use flexibility and high in accuracy of magnetic flux detection.
Description
Technical Field
The invention relates to the technical field of magnetic flux detection equipment, in particular to a magnet fixing jig.
Background
The magnetic flux measuring device has the advantages that magnetic parts are included in products such as electronics and motors, the magnetic size of the parts in the products is measured through magnetic flux, the magnetic flux is one of quantitative acceptance criteria of the magnets, and in different products, the magnetic flux is required to meet certain criteria, so that the magnetic flux of a specific part is measured, although equipment capable of automatically detecting the magnetic flux exists at present, the type of a detected product is single, the detection flexibility is poor, an accurate detection position cannot be specified, the accuracy of a measurement result is low, and the repeatability is poor.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a magnet fixing jig which is high in use flexibility and high in accuracy of magnetic flux detection.
In order to achieve the above purpose and achieve the above technical effects, the technical scheme of the invention is as follows: the utility model provides a magnet fixing jig, be in including magnet fixing base and vertical fixing two magnet supporting seats that are parallel to each other on the magnet fixing base, two be fixed with the field weakening fixed plate between the upper end of magnet supporting seat, be equipped with fixed subassembly and moving assembly on the field weakening fixed plate, magnet is fixed between fixed subassembly and the moving assembly, the field weakening fixed plate lower extreme is equipped with flexible cylinder, be equipped with on the magnet supporting seat and hold and fix flexible cylinder's U type groove.
Preferably, the fixing assembly comprises two opposite fixing blocks, and the two fixing blocks are fixed on the weak magnetic fixing plate.
Preferably, the moving assembly comprises a moving block, the moving block is located between the two fixed blocks and can move between the two fixed blocks, an inverted T-shaped connecting block is fixed at the lower end of the moving block, a hollow-out part for accommodating the T-shaped vertical part of the connecting block is arranged on the weak magnetic fixing plate, two parallel linear guide rails are fixed on the lower end face of the weak magnetic fixing plate, sliding blocks matched with the linear guide rails are arranged at the two ends of the T-shaped horizontal part of the connecting block, and one side center of the connecting block abuts against the end part of the telescopic cylinder.
Preferably, two clamping springs are arranged between the other side of the connecting block and the magnet supporting seat, and spring fixing holes for fixing two ends of the clamping springs are formed in the side wall of the other side of the connecting block and the side wall of the magnet supporting seat.
Preferably, two ends of the moving block are respectively connected with edges of the two fixed blocks through mortise and tenon structures.
Preferably, one of the fixing blocks is provided with a positioning stop block for fixing the magnet.
Preferably, the side wall of the weak magnetic fixing plate is further provided with a calibration assembly, the calibration assembly comprises a calibration fixing plate, and a probe calibration magnet and a laser calibration block are fixed on the calibration fixing plate.
The beneficial effects of the invention are as follows: the invention provides a magnet fixing jig which has good position stability, can more accurately measure magnet magnetic flux, has high use flexibility and good repeatability of repeated detection, can avoid the influence of the magnetic conductivity of part of jigs on the magnet magnetic flux detection, reduces the cost of replacing jigs when replacing different products, and has miniaturization, modularization and strong adaptability.
The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings. Specific embodiments of the present invention are given in detail by the following examples and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the present invention;
FIG. 2 is an exploded view of the overall structure of the preferred embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of a preferred embodiment of the present invention;
wherein: 1. the device comprises a magnet fixing seat, a magnet supporting seat, a weak magnetic fixing plate, a telescopic cylinder, a 5.U type groove, a fixing block, a 7 type moving block, a 8 type connecting block, a 9 type hollowed-out part, a 10 type linear guide rail, a 11 type sliding block, a 12 type clamping spring, a 13 type positioning stop block, a 14 type calibration fixing plate, a 15 type probe calibration magnet, a 16 type laser calibration block and a 17 type magnet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
As shown in the figure, this embodiment discloses a magnet fixing jig, including magnet fixing base 1 and vertical fixing two magnet supporting seat 2 that are parallel to each other on the magnet fixing base 1, two be fixed with the field weakening fixed plate 3 between the upper end of magnet supporting seat 2, be equipped with fixed subassembly and moving assembly on the field weakening fixed plate 3, magnet 17 is fixed between fixed subassembly and the moving assembly, the field weakening fixed plate 3 lower extreme is equipped with flexible cylinder 4, be equipped with on the magnet supporting seat 2 and hold and fix flexible cylinder's U type groove 5.
The fixing assembly comprises two fixing blocks 6 which are oppositely arranged, and the two fixing blocks 6 are fixed on the weak magnetic fixing plate 3. The weak magnetic fixing plate 3 prevents other easily magnetized parts from adversely affecting the measurement of magnetic flux, and thus the measurement is inaccurate. The use of the field weakening fixing plate 3 further increases the accuracy of the device.
The movable assembly comprises movable blocks 7, wherein the movable blocks 7 are positioned between two fixed blocks 6 and can move between the two fixed blocks, after a magnet 17 to be detected is added, the movable blocks 7 move towards one fixed block 6 placed in the magnet 17 to be detected, the magnet 17 to be detected is clamped, the position stability is stronger, the lower end of each movable block 7 is fixedly provided with an inverted T-shaped connecting block 8, the weak magnetic fixing plate 3 is provided with a hollow 9 for accommodating the T-shaped vertical part of the corresponding connecting block 8, the lower end face of the weak magnetic fixing plate 3 is fixedly provided with two linear guide rails 10 which are parallel to each other, two ends of the T-shaped horizontal part of the corresponding connecting block 8 are provided with sliding blocks 11 matched with the linear guide rails 10, and one side center of the corresponding connecting block 8 abuts against the end part of the telescopic cylinder 4. The telescopic cylinder 4 drives the inverted T-shaped connecting block 8 to move, the connecting block 8 drives the moving block 7 to slide left and right, the magnet 17 is flexibly placed into or taken down, the jig is ensured to be suitable for the magnets 17 to be detected of different models, the equipment use flexibility is higher, and the practicability is stronger.
Two clamping springs 12 are arranged between the other side of the connecting block 8 and the magnet supporting seat 2, and spring fixing holes for fixing two ends of the clamping springs 12 are formed in the side wall of the other side of the connecting block 8 and the side wall of the magnet supporting seat 2. The setting of clamping spring 12 saves more power, and telescopic cylinder 4 only need to the effort of a direction drive stop can, and clamping spring 12 is compressed this moment, and after the drive action was accomplished, clamping spring 12 directly stretches out and reaches the action of recovering, and equipment is simpler, and it is more convenient to use. For this embodiment, before the magnet 17 to be detected is placed, the moving block 7 is in mortise-tenon joint with one of the fixed blocks 6, when the magnet 17 needs to be placed, the telescopic cylinder 4 is driven, the connecting block 8 moves along the linear guide rail 10 and compresses the clamping spring 12, the moving block 7 moves to the other fixed block 6 and is in mortise-tenon joint with the other fixed block, after the magnet 17 is placed (the magnet 17 to be detected is placed at the tenon of the mortise-tenon structure at the edge of one of the fixed blocks 6), the telescopic cylinder 4 stops driving, the clamping spring 12 resets, the moving block 7 is pushed in the resetting process, and the magnet 17 is clamped between the initial fixed block 6 and the moving block 7.
The two ends of the moving block 7 are respectively connected with the edges of the two fixed blocks 6 through mortise and tenon structures. The purpose of clamping and fixing the magnet 17 to be detected is achieved through free movement of the moving block 7, the device is simple, the use is more flexible and convenient, the positioning is more accurate, and the accuracy of magnetic flux detection is guaranteed.
One of the fixing blocks 6 is provided with a positioning block 13 for fixing a magnet 17. The positioning stop 13 further fixes the magnet 17 to be detected, so that the stability of the placement position is ensured.
The side wall of the weak magnetic fixing plate 3 is also provided with a calibration assembly, the calibration assembly comprises a calibration fixing plate 14, and a probe calibration magnet 15 and a laser calibration block 16 are fixed on the calibration fixing plate 14. After the magnet 17 to be measured is placed, before measurement, the probe calibration magnet 1715 and the laser calibration block 16 in the calibration assembly are utilized to calibrate the measuring device, meanwhile, the error of the placement position of the magnet 17 is reduced, the measuring accuracy is improved, and good repeatability of the measuring result is ensured.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. The utility model provides a magnet fixing jig, includes magnet fixing base and vertical fixing two magnet supporting seats that are parallel to each other on the magnet fixing base, its characterized in that: a weak magnetic fixing plate is fixed between the upper ends of the two magnet supporting seats, a fixing component and a moving component are arranged on the weak magnetic fixing plate, a magnet is fixed between the fixing component and the moving component, a telescopic cylinder is arranged at the lower end of the weak magnetic fixing plate, and a U-shaped groove for accommodating and fixing the telescopic cylinder is arranged on the magnet supporting seats;
The fixing assembly comprises two fixing blocks which are oppositely arranged, and the two fixing blocks are fixed on the weak magnetic fixing plate;
The movable assembly comprises a movable block, wherein the movable block is positioned between two fixed blocks and can move between the two fixed blocks, an inverted T-shaped connecting block is fixed at the lower end of the movable block, a hollow for accommodating the T-shaped vertical part of the connecting block is arranged on the weak magnetic fixing plate, two parallel linear guide rails are fixed on the lower end surface of the weak magnetic fixing plate, sliding blocks matched with the linear guide rails are arranged at the two ends of the T-shaped horizontal part of the connecting block, and the center of one side of the connecting block is propped against the end part of the telescopic cylinder;
the two ends of the moving block are respectively connected with the edges of the two fixed blocks through mortise and tenon structures.
2. The magnet fixing jig according to claim 1, wherein: two clamping springs are arranged between the other side of the connecting block and the magnet supporting seat, and spring fixing holes for fixing two ends of the clamping springs are formed in the side wall of the other side of the connecting block and the side wall of the magnet supporting seat.
3. The magnet fixing jig according to claim 1, wherein: one of the fixing blocks is provided with a positioning stop block for fixing the magnet.
4. The magnet fixing jig according to claim 1, wherein: the side wall of the weak magnetic fixing plate is also provided with a calibration assembly, the calibration assembly comprises a calibration fixing plate, and a probe calibration magnet and a laser calibration block are fixed on the calibration fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810236074.3A CN108375744B (en) | 2018-03-21 | 2018-03-21 | Magnet fixing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810236074.3A CN108375744B (en) | 2018-03-21 | 2018-03-21 | Magnet fixing jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108375744A CN108375744A (en) | 2018-08-07 |
| CN108375744B true CN108375744B (en) | 2024-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810236074.3A Active CN108375744B (en) | 2018-03-21 | 2018-03-21 | Magnet fixing jig |
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| Country | Link |
|---|---|
| CN (1) | CN108375744B (en) |
Citations (2)
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| CN208156171U (en) * | 2018-03-21 | 2018-11-27 | 苏州佳祺仕软件技术有限公司 | A kind of magnet fixed fixture |
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| US7148689B2 (en) * | 2003-09-29 | 2006-12-12 | General Electric Company | Permanent magnet assembly with movable permanent body for main magnetic field adjustable |
| JP4327570B2 (en) * | 2003-11-21 | 2009-09-09 | 旭化成エレクトロニクス株式会社 | Magnetic sensor unit |
| KR20100102509A (en) * | 2009-03-11 | 2010-09-24 | 강행언 | Apparatus for power transform using magnet and method of making reciprocating motion using the same |
| CN102621503B (en) * | 2012-03-15 | 2014-04-09 | 西南石油大学 | Air coupled magnetic field testing device of magnetic flux leakage detector for oil and gas pipelines and testing method |
| KR20160023395A (en) * | 2014-08-22 | 2016-03-03 | 박승부 | Magnet fixed block |
| JP2016144257A (en) * | 2015-01-30 | 2016-08-08 | ピーエス特機株式会社 | Magnet device |
| CN204925415U (en) * | 2015-09-06 | 2015-12-30 | 歌尔声学股份有限公司 | Magnet detection tool |
| CN205310102U (en) * | 2015-12-15 | 2016-06-15 | 上海大道包装隔热材料有限公司 | A vacuum jig for producing quality control surveys |
| CN205464972U (en) * | 2016-02-29 | 2016-08-17 | 东莞市翔宇汽车装备有限公司 | positioning clamping mechanism |
| CN205496940U (en) * | 2016-03-11 | 2016-08-24 | 台晶(宁波)电子有限公司 | Frock is dismantled to magnetite of quartz crystal syntonizer plant use tool |
| CN105773511B (en) * | 2016-03-22 | 2017-06-16 | 苏州博众精工科技有限公司 | A kind of magnet assembles tool for stitching |
| CN205973409U (en) * | 2016-08-29 | 2017-02-22 | 泰州恒益起重机械有限公司 | Permanent magnet suction cup |
| CN107466199B (en) * | 2017-07-28 | 2019-08-27 | 江苏大学 | A kind of small-sized magnet accurate assembly device and method |
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- 2018-03-21 CN CN201810236074.3A patent/CN108375744B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974342A (en) * | 2016-07-06 | 2016-09-28 | 苏州富强科技有限公司 | Magnetic flux density measuring apparatus and measuring method thereof |
| CN208156171U (en) * | 2018-03-21 | 2018-11-27 | 苏州佳祺仕软件技术有限公司 | A kind of magnet fixed fixture |
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| CN108375744A (en) | 2018-08-07 |
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