CN101895176A - Adhesive filling and grinding processing method for stator-rotor iron core component of motor - Google Patents
Adhesive filling and grinding processing method for stator-rotor iron core component of motor Download PDFInfo
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- CN101895176A CN101895176A CN 201010259965 CN201010259965A CN101895176A CN 101895176 A CN101895176 A CN 101895176A CN 201010259965 CN201010259965 CN 201010259965 CN 201010259965 A CN201010259965 A CN 201010259965A CN 101895176 A CN101895176 A CN 101895176A
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Abstract
The invention discloses an adhesive filling and grinding method for a stator-rotor iron core component of a motor. The method comprises the processes of gluing the iron core component through lamination, grinding an iron core by a benchwork, filling an adhesive, removing adhesive layers on two end faces by the benchwork, grinding an inner hole and an excircle of the iron core by a grinder, removing a potting adhesive and the like. The method is characterized in that: when the adhesive is filled, the potting adhesive is placed into a container, stirred and heated to a temperature of between 120 and 130 DEG C; the potting adhesive is poured into an pre-heated iron core groove immediately; a die is vacuumized in a vacuum chamber, so that bubbles are removed from the die, wherein the vacuum degree is 10 to 300Pa and the time is 5 to 20 minutes; and the die is taken out and cooled at the room temperature, so that the potting adhesive is solidified. Compared with the prior art, a profiled groove part of the stator-rotor iron core component forms an entity through the adhesive filling process so that deformation resistance of the stator-rotor iron core component is enhanced and interrupted cut is avoided; and at the same time, the grinding process solves the problems of crack, swelling, poor coaxiality and the like caused by internal and external conicity of the stator-rotor iron core component and temperature distortion of the adhesive layers of the iron core component.
Description
Technical field
The invention belongs to field of motor manufacturing, particularly the processing technology of stator-rotor iron core component of motor.
Background technology
The microminiature motor has widely at industrial control field to be used, and its stator and rotor core assembly adopts a plurality of thin armature stamping gummeds to form usually.All there are a plurality of teeth and groove in the inboard of stator punching, the outside of rotor punching, are used for laying excitation winding and armature winding respectively.Increasing tooth depth and the facewidth ratio and the core length of stator and rotor iron core, is the important means that improves microminiature motor output torque, and in the big moment microminiature motor products of some typical cases, iron core thickness reaches 75mm, and the tooth depth of punching and facewidth ratio have reached 11: 1.
The increase of tooth depth and facewidth ratio and the lengthening of iron core thickness have increased the difficulty of processing of core assembly greatly.In order to guarantee the assembly performance of stator and rotor core assembly and casing, and make and keep uniform air gap between stator and the rotor, cylindrical and the endoporus to the stator and rotor iron core has higher size and axiality tolerance usually.Endoporus and cylindrical that existing process using finish turning method is directly processed the stator and rotor core assembly guarantee size and Geometrical Tolerance Principle, and procedure of processing is:
(1) electrician's punching gummed;
(2) pincers worker: grind the core assembly both ends of the surface, guarantee the depth of parallelism of both ends of the surface;
(3) endoporus of finish turning iron core and cylindrical, the size and the form and position tolerance of assurance iron core.
Than little, and the short iron core of length can be obtained better effects to this method for processing tooth depth and the facewidth.But, when the tooth depth of iron core and the facewidth than and core assembly length increase to a certain degree, adopt the finish turning method will make the iron core part of gummed pawl and cracking and the length problem on deformation such as long that expand occur, cause part to be scrapped.
Summary of the invention
Purpose of the present invention: invent a kind of encapsulating method for grinding of stator-rotor iron core component, solve the stator-rotor iron core component processing technology and pawl, cracking and length when the long core assembly of processing slim tooth and length, occur and expand phenomenon such as long and cause problem overproof, that scrap.
Technical scheme of the present invention is: a kind of stator-rotor iron core component encapsulating grinding process, and procedure of processing is as follows:
(1) lamination gummed: the two-sided spray acetal baking adhesive solution of armature stamping X98-11, bondline thickness 0.01~0.02 composes core assembly with cementing jig;
(2) pincers worker: grind the iron core both ends of the surface, guarantee the depth of parallelism of end face;
(3) encapsulating:
A) dress mould: mould is made up of urceolus, alignment pin, base, attachment screw, and core assembly is inserted on the alignment pin;
B) preheated mold: the mould that iron core will be housed is put into 120 ℃~130 ℃ baking oven preheating 0.5~2h;
C) embedding: the material of casting glue is a kind of material based on rosin, place container to be stirred and heated to 120 ℃~130 ℃ casting glue, immediately casting glue is poured in the iron core slot after the preheating, the mould of existing side by side is soon put into vacuum chamber and is vacuumized and remove bubble, vacuum degree is in 10~300Pa scope, time 5~20min takes out mould then and is placed under the room temperature cooling casting glue is solidified;
D) demoulding: unclamp the attachment screw on the mould, on forcing press, iron core is extruded step by step;
E) repair surplus glue: iron core is placed on the glass plate place mat 320 order waterproof abrasive papers, the surplus glue of the both ends of the surface of carefully skimming;
(4) pincers worker: remove the both ends of the surface glue-line;
(5) grinder: grinding iron core endoporus, cylindrical are to design size;
(6) remove casting glue: after the iron core grinding, need casting glue is removed, and require to clean out, follow these steps to carry out:
A) in baking oven, put a plate, stainless (steel) wire is placed on the plate, and iron core is placed on the net, then temperature is risen to 120~130, insulation 20~60min makes casting glue fusing drippage, then iron core is taken out while hot, carefully wipe kelly-up glue under the iron core, and place under the room temperature and cool off with soft paper;
B) iron core is rinsed in absolute ethyl alcohol and is given a baby a bath on the third day after its birth time, and at room temperature dries.
Advantage of the present invention and beneficial effect: compared with prior art, encapsulating step of the present invention makes the type slot part of stator-rotor iron core component form an entity, thereby has strengthened the ability of core assembly resistance to deformation, and has avoided interrupted cut; Because grinding is multiple cut, the abrasive particle that is worn in grinding can break away from automatically and to make that emery wheel remains sharp, has solved the problem of stator-rotor iron core component inside and outside circle tapering; In addition, the cooling condition of grinding is good, and the heat in metal cutting of generation is easy to drain, problems such as the cracking that has caused so solved the temperature distortion of core assembly glue-line, bloated length and axiality difference.Experiment shows, adopts method processing slim tooth of the present invention, and the long core assembly of length, is satisfied with the processing of common stator-rotor iron core component too.
Description of drawings
Fig. 1 is electric machine iron core assembly glue-pouring device figure of the present invention;
Fig. 2 is the electric machine iron core component drawings behind the encapsulating of the present invention;
Fig. 3 is the electric machine iron core component drawings after the present invention removes photoresist.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further details:
The encapsulating grinding process of stator-rotor iron core component of motor, procedure of processing is as follows:
(1) lamination gummed is with the bonding core assembly that laminates into of armature stamping;
(2) pincers worker: grind the core assembly both ends of the surface, guarantee the depth of parallelism of end face;
(3) encapsulating: pour into colloid with vacuum mode in the core type groove, see Fig. 1 and Fig. 2, this step is the key of whole process flow:
A) dress mould: mould is made up of urceolus, alignment pin, base, attachment screw, and core assembly is inserted on the alignment pin;
B) preheated mold: the mould that iron core will be housed is put into 120 ℃~130 ℃ baking oven preheating 0.5~2h;
C) embedding: place container to be stirred and heated to 120 ℃~130 ℃ casting glue, immediately casting glue is poured in the iron core slot after the pre-bubble heat, the mould of existing side by side is soon put into vacuum chamber and is vacuumized and remove bubble, vacuum degree is in 10~300Pa scope, time 5~20min takes out mould then and is placed under the room temperature cooling casting glue is solidified;
D) demoulding: unclamp the attachment screw on the mould, on forcing press, iron core is extruded step by step;
E) repair surplus glue: iron core is placed on the glass plate place mat 320 order waterproof abrasive papers, the surplus glue of the both ends of the surface of carefully skimming;
(4) pincers worker: remove the both ends of the surface glue-line;
(5) grinder: grinding iron core endoporus, cylindrical are to design size;
(6) remove casting glue and see accompanying drawing 3: after the iron core grinding, need casting glue is cleaned out, follow these steps to carry out:
A) in baking oven, put a plate, stainless (steel) wire is placed on the plate, and iron core is placed on the net, then temperature is risen to 120~130, insulation 20~60min makes casting glue fusing drippage, then iron core is taken out while hot, carefully wipe kelly-up glue under the iron core, and place under the room temperature and cool off with soft paper;
B) iron core is rinsed in absolute ethyl alcohol given a baby a bath on the third day after its birth time, and at room temperature dry.
Claims (1)
1. stator-rotor iron core component encapsulating grinding process, procedure of processing is as follows:
(1) lamination gummed: the two-sided spray acetal baking adhesive solution of armature stamping X98-11, bondline thickness 0.01~0.02 composes core assembly with cementing jig;
(2) pincers worker: grind the iron core both ends of the surface, guarantee the depth of parallelism of end face;
(3) encapsulating:
A) dress mould: mould is made up of urceolus, alignment pin, base, attachment screw, and core assembly is inserted on the alignment pin;
B) preheated mold: the mould that iron core will be housed is put into 120 ℃~130 ℃ baking oven preheating 0.5~2h;
C) embedding: the material of casting glue is based on rosin, place container to be stirred and heated to 120 ℃~130 ℃ casting glue, immediately casting glue is poured in the iron core slot after the preheating, the mould of existing side by side is soon put into vacuum chamber and is vacuumized and remove bubble, vacuum degree is in 10~300Pa scope, time 5~20min takes out mould then and is placed under the room temperature cooling casting glue is solidified;
D) demoulding: unclamp the attachment screw on the mould, on forcing press, iron core is extruded step by step;
E) repair surplus glue: iron core is placed on the glass plate place mat 320 order waterproof abrasive papers, the surplus glue of the both ends of the surface of skimming;
(4) pincers worker: remove the both ends of the surface glue-line;
(5) grinder: grinding iron core endoporus, cylindrical are to design size;
(6) remove casting glue:
A) in baking oven, put a plate, stainless (steel) wire is placed on the plate, and iron core is placed on the net, then temperature is risen to 120~130, insulation 20~60min makes casting glue fusing drippage, then iron core is taken out while hot, wipe kelly-up glue under the iron core, and place under the room temperature and cool off with soft paper;
B) iron core is rinsed in absolute ethyl alcohol and is given a baby a bath on the third day after its birth time, and at room temperature dries.
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CN2010102599654A CN101895176B (en) | 2010-08-19 | 2010-08-19 | Adhesive filling and grinding processing method for stator-rotor iron core component of motor |
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CN2010102599654A CN101895176B (en) | 2010-08-19 | 2010-08-19 | Adhesive filling and grinding processing method for stator-rotor iron core component of motor |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102005874A (en) * | 2010-12-15 | 2011-04-06 | 南车株洲电机有限公司 | Vacuum encapsulating technology method of motor stator notch |
CN102324810A (en) * | 2011-09-14 | 2012-01-18 | 中国航空工业第六一八研究所 | Processing method for preventing inverted tooth and cracking of stator/rotor lamination |
CN102528300A (en) * | 2011-12-28 | 2012-07-04 | 北京工业大学 | Sucker-type clamping device |
CN105591509A (en) * | 2016-01-19 | 2016-05-18 | 武汉光谷科威晶激光技术有限公司 | Potting and casting method of turbine fan stator and potting and casting apparatus thereof |
CN106253024A (en) * | 2016-08-01 | 2016-12-21 | 安徽贝莱电子科技有限公司 | A kind of processing technique of radar collector ring |
CN106300834A (en) * | 2016-10-18 | 2017-01-04 | 合肥工业大学 | A kind of glue-pouring device for motor of hybrid power automobile rotor magnetic steel bundle envelope and glue-pouring method thereof |
CN107394975A (en) * | 2017-09-01 | 2017-11-24 | 北京三电机系统有限责任公司 | A kind of lamination pressing ring laminating method and stack-press device |
CN109395960A (en) * | 2018-10-24 | 2019-03-01 | 北京航天控制仪器研究所 | A kind of bonding Wiring board type permanent magnet moment-meter rotor encapsulating tooling and glue-pouring method |
CN109494942A (en) * | 2018-12-05 | 2019-03-19 | 上海航天控制技术研究所 | A kind of constructional device of motor stator component rapid shaping |
CN113334657A (en) * | 2021-05-18 | 2021-09-03 | 昆山华辰电动科技有限公司 | Encapsulation equipment and encapsulation method |
CN113517794A (en) * | 2021-07-07 | 2021-10-19 | 浙江零跑科技股份有限公司 | Electronic oil pump motor stator assembly assembling tool and working method thereof |
Citations (3)
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CN1428240A (en) * | 2001-12-23 | 2003-07-09 | 海安县纸绝缘材料厂 | Prepreg composite material and its production method |
CN1949633A (en) * | 2006-11-08 | 2007-04-18 | 卧龙电气集团股份有限公司 | Long stator core assembly packaging process |
CN1949634A (en) * | 2006-11-08 | 2007-04-18 | 卧龙电气集团股份有限公司 | Processing method of iron core punching sheet assembly |
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2010
- 2010-08-19 CN CN2010102599654A patent/CN101895176B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1428240A (en) * | 2001-12-23 | 2003-07-09 | 海安县纸绝缘材料厂 | Prepreg composite material and its production method |
CN1949633A (en) * | 2006-11-08 | 2007-04-18 | 卧龙电气集团股份有限公司 | Long stator core assembly packaging process |
CN1949634A (en) * | 2006-11-08 | 2007-04-18 | 卧龙电气集团股份有限公司 | Processing method of iron core punching sheet assembly |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102005874A (en) * | 2010-12-15 | 2011-04-06 | 南车株洲电机有限公司 | Vacuum encapsulating technology method of motor stator notch |
CN102005874B (en) * | 2010-12-15 | 2012-11-14 | 南车株洲电机有限公司 | Vacuum encapsulating technology method of motor stator notch |
CN102324810A (en) * | 2011-09-14 | 2012-01-18 | 中国航空工业第六一八研究所 | Processing method for preventing inverted tooth and cracking of stator/rotor lamination |
CN102324810B (en) * | 2011-09-14 | 2013-12-18 | 中国航空工业第六一八研究所 | Processing method for preventing inverted tooth and cracking of stator/rotor lamination |
CN102528300A (en) * | 2011-12-28 | 2012-07-04 | 北京工业大学 | Sucker-type clamping device |
CN105591509B (en) * | 2016-01-19 | 2018-03-02 | 武汉光谷科威晶激光技术有限公司 | The embedding pouring procedure and its embedding apparatus for pouring of turbofan stator |
CN105591509A (en) * | 2016-01-19 | 2016-05-18 | 武汉光谷科威晶激光技术有限公司 | Potting and casting method of turbine fan stator and potting and casting apparatus thereof |
CN106253024A (en) * | 2016-08-01 | 2016-12-21 | 安徽贝莱电子科技有限公司 | A kind of processing technique of radar collector ring |
CN106300834A (en) * | 2016-10-18 | 2017-01-04 | 合肥工业大学 | A kind of glue-pouring device for motor of hybrid power automobile rotor magnetic steel bundle envelope and glue-pouring method thereof |
CN107394975A (en) * | 2017-09-01 | 2017-11-24 | 北京三电机系统有限责任公司 | A kind of lamination pressing ring laminating method and stack-press device |
CN109395960A (en) * | 2018-10-24 | 2019-03-01 | 北京航天控制仪器研究所 | A kind of bonding Wiring board type permanent magnet moment-meter rotor encapsulating tooling and glue-pouring method |
CN109494942A (en) * | 2018-12-05 | 2019-03-19 | 上海航天控制技术研究所 | A kind of constructional device of motor stator component rapid shaping |
CN113334657A (en) * | 2021-05-18 | 2021-09-03 | 昆山华辰电动科技有限公司 | Encapsulation equipment and encapsulation method |
CN113517794A (en) * | 2021-07-07 | 2021-10-19 | 浙江零跑科技股份有限公司 | Electronic oil pump motor stator assembly assembling tool and working method thereof |
CN113517794B (en) * | 2021-07-07 | 2022-11-18 | 浙江零跑科技股份有限公司 | Electronic oil pump motor stator assembly assembling tool and working method thereof |
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