CN101383213A - Demagnetizing method and apparatus equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar - Google Patents
Demagnetizing method and apparatus equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar Download PDFInfo
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- CN101383213A CN101383213A CNA2007100551964A CN200710055196A CN101383213A CN 101383213 A CN101383213 A CN 101383213A CN A2007100551964 A CNA2007100551964 A CN A2007100551964A CN 200710055196 A CN200710055196 A CN 200710055196A CN 101383213 A CN101383213 A CN 101383213A
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Abstract
The invention relates to a demagnetization device which is used for evenly separating and connecting a plurality of magnetic pole units of a large-sized bearing ferrule in parallel. The demagnetization device comprises a charging frame (1), a magnetic bed (2), magnetic pole units (3), coils (4), magnetic cores (5) with E-shaped structures, an upper partition plate (6), a bottom plate (7) and a discharging frame (9), wherein the charging frame and the discharging frame are arranged on both ends of the magnetic bed which has a rectangular box type structure and is formed by the upper partition plate and the bottom plate, a plurality of groups of magnetic pole units are orderly arrayed between the upper partition plate and the bottom plate, each group of equational magnetic pole units have the magnetic cores which has the E-shaped structures and are prepared by silicon-steel sheets, a group of coils are sheathed on the magnetic cores, the coils of each group of magnetic pole units are connected by parallel connecting circuits, the extension lines of the parallel connecting circuits are respectively communicated with one phase of a three-phase power supply, the extension lines of the other ends of the parallel connecting circuits are connected with a public end, and the length of the magnetic bed is larger than the circumference of the demagnetization bearing ferrule. The invention has the characteristics of high demagnetization quality, high work efficiency, few operating staff, labor intensity reduction, and the like.
Description
Technical field
The invention belongs to technical field of bearings, specially refer to a kind of demagnetizing method and device of equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar.
Background technology
In the large size bearing process of manufacture, its processing mode is relevant with electromagnetism usually, and grinding is bearing ring to be adsorbed on the disk process as large size bearing, and the residual magnetism of lasso was very big after grinding finished; Outside grinding, when interior raceway groove and internal diameter, usually also adopt the mode of electric magnetic no-core jig to satisfy the requirement of processing technology.Owing in the large-scale bearing ring processing, very big magnetic force absorption be arranged, could guarantee lasso when emery wheel cuts, on the electric magnetic no-core jig, can not produce to get rid of and take off, be unlikely and cause waste product.
A large amount of existence of residual magnetism on the bearing ring, the detected value in the time of can making instrument detecting produces deviation.In addition, the residual magnetism on the lasso can adsorb many iron filings, and the machining accuracy of descending one manufacturing procedure is had a direct impact, and simultaneously, can reduce the useful life of the bearing that residual magnetism is big.The residual magnetism work of bearing ring is very important so decorporate.
Because the reason of the volume of large size bearing and weight, usually can not be on demagnetization mode in the past as middle-size and small-size bearing demagnetization, be flat on the demagnetizer plane or take through mode to demagnetize.Common demagnetizer volume is short and small, large-scale bearing ring must be stood on the demagnetizer and roll repeatedly, and like this, a large-scale bearing ring need be shoved around repeatedly and could be demagnetized several times.Another kind is that dull and stereotyped demagnetizer is erected, the operative employee stands on large-scale bearing ring ground and is close to the demagnetizer plane, for preventing that bearing ring from rolling out demagnetization area, so horizontal drawing was returned after lasso was pushed rolling more forward behind the unlatching demagnetizer, the horizontal drawing that rolls is a bit again forward again returned ... so repeatedly, a lasso will be through repeatedly repeating work, just can finish demagnetization work, and after bearing ring one end face demagnetization finishes, carry out the demagnetization of another end face again.
The method of above-mentioned large-scale bearing ring demagnetization, efficient is extremely low, consume a large amount of artificial, muscle power and time, and demagnetization effectiveness is poor.Reluctantly, the department that has even abandoned therefore causing the quality of bearing and life-span to reduce greatly to large-scale bearing ring this work of demagnetizing.
Summary of the invention
In order to address the above problem, the invention provides a kind of demagnetizing method and device of equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar, demagnetization characteristics according to large-scale bearing ring, taked many magnetic pole set unit to divide equally the method for in parallel continuous highfield operation, can be evenly, the device of demagnetization fast, have characteristics such as demagnetization quality height, high efficiency, operating personnel are few, labour intensity reduction.
In order to realize the foregoing invention purpose, the present invention has adopted following technical scheme:
The demagnetizing method of described equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar, in rectangular magnetic bed, the magnetic pole unit that array is arranged according to this is set, every group of magnetic pole unit of dividing equally made the magnetic core of E type structure by silicon steel sheet, cover is put one group of coil on the magnetic core, the coil of every group of magnetic pole unit is parallel line and connects, and its lead-out wire is connected with one of three phase mains respectively, and other end lead-out wire then connects common port, the array magnetic pole unit all constitutes closed magnetic circuit separately, forms alternating magnetic field; The length of magnetic bed is greater than the girth of demagnetization bearing ring (8), after bearing ring rolls a week, and the magnetic pole unit that its institute arranges according to this through array and bearing ring is demagnetized.
The demagnetizer of described equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar mainly is made up of magnetic core, upper spacer, base plate, the blanking rack of stock shelf, magnetic bed, magnetic pole unit, coil, E type structure, and wherein upper and lower bin is arranged on the two ends of magnetic bed; The magnetic bed is the rectangle case structure, constitute by upper spacer and base plate, be arranged with the array magnetic pole unit in the middle of upper spacer and the base plate according to this, every group of magnetic pole unit of dividing equally made the magnetic core of E type structure by silicon steel sheet, cover is put one group of coil on the magnetic core, the coil of every group of magnetic pole unit is parallel line and connects, and its lead-out wire is connected with one of three phase mains respectively, and other end lead-out wire then connects common port; The length of magnetic bed is greater than the girth of demagnetization bearing ring.
Owing to adopted technical scheme as mentioned above, the present invention has following superiority:
1. magnetic pole set is evenly distributed, the even powerful demagnetization quality height in magnetic field.Avoided the large-scale bearing ring uneven phenomenon of demagnetizing.
2. can the order rolling on demagnetizer of a plurality of continuously big lassos demagnetize; Realized the purpose of large-scale bearing ring demagnetization pipelining.
3. adopted bearing ring to roll and demagnetized, simple to operate, saved the time; Demagnetizer production efficiency than conventional version greatly improves.
4. avoid the phenomenon of working under the strong muscle power, reduced operator's labour intensity and operation easier.
5. the demagnetization quality that has improved bearing ring also improves the machining accuracy of bearing ring, prolongs large size bearing useful life.
Description of drawings
Fig. 1 is the demagnetizer structural representation of equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar;
Fig. 2 is A-A schematic diagram;
Among Fig. 1,2: 1-stock shelf; 2-magnetic bed; 3-magnetic pole unit; 4-coil; The magnetic core of 5-E type structure; 6-upper spacer; 7-base plate; 8-bearing ring; 9-blanking rack.
Embodiment
The demagnetizing method of equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar of the present invention, in rectangular magnetic bed, the magnetic pole unit that array is arranged according to this is set, every group of magnetic pole unit of dividing equally made the magnetic core of E type structure by silicon steel sheet, cover is put one group of coil on the magnetic core, the coil of every group of magnetic pole unit is parallel line and connects, and its lead-out wire is connected with one of three phase mains respectively, and other end lead-out wire then connects common port, the array magnetic pole unit all constitutes closed magnetic circuit separately, forms alternating magnetic field; The length of magnetic bed is greater than the girth of demagnetization bearing ring (8).
As shown in Figure 1, 2: the demagnetizer of equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar of the present invention mainly is made up of magnetic core (5), upper spacer (6), base plate (7), the blanking rack (9) of stock shelf (1), magnetic bed (2), magnetic pole unit (3), coil (4), E type structure, and wherein upper and lower material (1,9) frame is arranged on the two ends of magnetic bed (2); Magnetic bed (2) is the rectangle case structure, constitute by upper spacer (6) and base plate (7), be arranged with array magnetic pole unit (3) in the middle of upper spacer (6) and the base plate (7) according to this, every group of magnetic pole unit of dividing equally (3) made the magnetic core (5) of E type structure by silicon steel sheet, magnetic core (5) is gone up to overlap and is put one group of coil (4), the coil (4) of every group of magnetic pole unit (3) is parallel line and connects, and its lead-out wire is connected with one of three phase mains respectively, and other end lead-out wire then connects common port; The length of magnetic bed (2) is greater than the girth of demagnetization bearing ring (8).
Behind the logical upward power supply, each magnetic pole unit (3) will produce magnetic field, in alternating magnetic fields, when large-scale bearing ring (8) rolls across from magnetic bed (2) upper spacer (6) face, bottom, bearing ring (8) outer ring will form flux circuit with magnetic pole unit (3), produces magnetic field, and bearing ring (8) is subjected to the effect of alternating magnetic field continuously in rolling demagnetization process, original directed magnetic domain gets muddled unordered, reaches the purpose of lasso demagnetization.
Because each magnetic pole unit (3) is compact arrangement evenly, magnetic field intensity is comparatively balanced everywhere, the large-scale bearing ring (8) that the operator only needs to have residual magnetism rolls from stock shelf (1) to be shifted onto on the magnetic bed (2), roll thereon a week, after eliminating the magnetic on the bearing ring (8), roll down from blanking rack (9) again and leave, can reach the demagnetization purpose.
Have just because of demagnetizer and to make that large-scale bearing ring (8) is unidirectional, the characteristics of the demagnetization of rolling, therefore can be simultaneously on same demagnetizer to the demagnetization of rolling in proper order of several large-scale bearing rings, as continuous productive process.Demagnetization is even, operation is very easy, time saving and energy saving.
Claims (2)
1, a kind of demagnetizing method of equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar, it is characterized in that: in rectangular magnetic bed, the magnetic pole unit that array is arranged according to this is set, every group of magnetic pole unit of dividing equally made the magnetic core of E type structure by silicon steel sheet, cover is put one group of coil on the magnetic core, the coil of every group of magnetic pole unit is parallel line and connects, its lead-out wire is connected with one of three phase mains respectively, other end lead-out wire then connects common port, the array magnetic pole unit all constitutes closed magnetic circuit separately, forms alternating magnetic field; The length of magnetic bed is greater than the girth of demagnetization bearing ring (8).
2, a kind of demagnetizer of equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar, it is characterized in that: this demagnetizer mainly is made up of magnetic core (5), upper spacer (6), base plate (7), the blanking rack (9) of stock shelf (1), magnetic bed (2), magnetic pole unit (3), coil (4), E type structure, and wherein upper and lower material (1,9) frame is arranged on the two ends of magnetic bed (2); Magnetic bed (2) is the rectangle case structure, constitute by upper spacer (6) and base plate (7), be arranged with array magnetic pole unit (3) in the middle of upper spacer (6) and the base plate (7) according to this, every group of magnetic pole unit of dividing equally (3) made the magnetic core (5) of E type structure by silicon steel sheet, magnetic core (5) is gone up to overlap and is put one group of coil (4), the coil (4) of every group of magnetic pole unit (3) is parallel line and connects, and its lead-out wire is connected with one of three phase mains respectively, and other end lead-out wire then connects common port; The length of magnetic bed (2) is greater than the girth of demagnetization bearing ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100551964A CN101383213B (en) | 2007-09-05 | 2007-09-05 | Demagnetizing method and apparatus equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100551964A CN101383213B (en) | 2007-09-05 | 2007-09-05 | Demagnetizing method and apparatus equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar |
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| Publication Number | Publication Date |
|---|---|
| CN101383213A true CN101383213A (en) | 2009-03-11 |
| CN101383213B CN101383213B (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100551964A Expired - Fee Related CN101383213B (en) | 2007-09-05 | 2007-09-05 | Demagnetizing method and apparatus equally dividing and parallelly connecting multiple magnetic pole units of large sized bearing colar |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538150A (en) * | 2014-12-18 | 2015-04-22 | 河南机电高等专科学校 | Bearing ring demagnetizing device |
| CN105225790A (en) * | 2015-09-29 | 2016-01-06 | 洛阳轴研科技股份有限公司 | A kind of magnetic gap passage through type demagnetizer |
| CN106356178A (en) * | 2016-09-19 | 2017-01-25 | 苏州润桐专利运营有限公司 | Finished bearing product demagnetizer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101996735B (en) * | 2010-11-01 | 2012-04-18 | 洛阳轴研科技股份有限公司 | Demagnetization method for rotating along inner circle or outer circle of heavy large bearing ring |
| CN103517608A (en) * | 2013-09-17 | 2014-01-15 | 洛阳轴研科技股份有限公司 | Improved method for preventing electrical elements of slab demagnetizing device from being affected with damp or leaking electricity |
-
2007
- 2007-09-05 CN CN2007100551964A patent/CN101383213B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538150A (en) * | 2014-12-18 | 2015-04-22 | 河南机电高等专科学校 | Bearing ring demagnetizing device |
| CN104538150B (en) * | 2014-12-18 | 2017-02-22 | 河南机电高等专科学校 | Bearing ring demagnetizing device |
| CN105225790A (en) * | 2015-09-29 | 2016-01-06 | 洛阳轴研科技股份有限公司 | A kind of magnetic gap passage through type demagnetizer |
| CN106356178A (en) * | 2016-09-19 | 2017-01-25 | 苏州润桐专利运营有限公司 | Finished bearing product demagnetizer |
| CN106356178B (en) * | 2016-09-19 | 2018-06-26 | 浙江固诺电力科技有限公司 | A kind of bearing finished products demagnetizer |
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| Publication number | Publication date |
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| CN101383213B (en) | 2010-08-25 |
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