JPWO2020095349A1 - 磁石埋込み型コアの製造装置及び製造方法 - Google Patents
磁石埋込み型コアの製造装置及び製造方法 Download PDFInfo
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- JPWO2020095349A1 JPWO2020095349A1 JP2019530518A JP2019530518A JPWO2020095349A1 JP WO2020095349 A1 JPWO2020095349 A1 JP WO2020095349A1 JP 2019530518 A JP2019530518 A JP 2019530518A JP 2019530518 A JP2019530518 A JP 2019530518A JP WO2020095349 A1 JPWO2020095349 A1 JP WO2020095349A1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 229920005989 resin Polymers 0.000 claims abstract description 118
- 239000011347 resin Substances 0.000 claims abstract description 118
- 238000003780 insertion Methods 0.000 claims abstract description 67
- 230000037431 insertion Effects 0.000 claims abstract description 67
- 238000000034 method Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- 230000007547 defect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 abstract 1
- 210000000078 claw Anatomy 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C45/14344—Moulding in or through a hole in the article, e.g. outsert moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
- B29C45/021—Plunger drives; Pressure equalizing means for a plurality of transfer plungers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0008—Magnetic or paramagnetic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/7498—Rotors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
Description
2 :ロータコア
2A :下端面
3 :軸孔
4 :磁石挿入孔
4A :内面
4B :開口
5 :磁石片
5A :外面
6 :樹脂
7 :固形樹脂
8 :溶融樹脂
9 :厚バリ
10 :製造装置
12 :タイバー
14 :可動プラテン
16 :固定プラテン
18 :上部部材
19 :ロッド
20 :閉塞部材
22 :ばね
24 :コア押さえ部材
25 :突起
26 :貫通孔
30 :下部部材
32 :基台
34 :ロータコア保持具
36 :セパレートプレート
38 :アッパプレート
40 :可動係止爪
42 :固定係止爪
44 :挿入孔
45 :凹部
46 :ゲートプレート
46A :上面
48 :カルプレート
48A :下面
50 :ゲート
52 :カル開口
54 :ポット保持孔
54A :内周面
56 :基台本体
56A :上面(外面)
58 :ポット部材
58A :上端面
60 :フランジ部
62 :プランジャ
63 :ねじ
64 :樹脂ポット室
66 :凹部
70 :シリンダボア
72 :ピストン
74 :ピストンロッド
76 :貫通孔
78 :シリンダ室
80 :マニホールド通路
82 :外部配管
84 :油圧発生装置
86 :電気式ヒータ
90 :切欠部
92 :凹部
Claims (5)
- 軸線方向の両端面に開口した貫通孔をなす磁石挿入孔を備えたロータコアと、前記磁石挿入孔に配置された磁石片と、前記磁石挿入孔に充填された樹脂とを含む磁石埋込み型コアの製造装置であって、
溶融した樹脂を貯留する樹脂ポット室が開口した一つの面を含む基台と、
前記ロータコアを載置されて前記基台の前記一つの面に着脱可能に配置され、前記磁石挿入孔と前記樹脂ポット室とを連通させる連通通路を有するセパレートプレートと、
前記樹脂ポット室に移動可能に設けられ、前記樹脂ポット室の溶融樹脂を前記連通通路を介して前記磁石挿入孔に圧送するプランジャとを具備し、
前記基台と前記セパレートプレートとの境界部に、前記樹脂ポット室の外方に向けて延在し且つ前記樹脂ポット室に連通する環状の凹部を有する磁石埋込み型コアの製造装置。 - 前記凹部の前記プランジャの移動方向の厚さが0.1mm〜0.3mmである請求項1に記載の磁石埋込み型コアの製造装置。
- 前記基台は、前記一つの面の側の外面に開口したポット保持孔を有する基台本体及び前記ポット保持孔に嵌合したポット部材を含み、
前記樹脂ポット室は前記ポット部材により画定されており、
前記ポット部材の前記一つの面の側の端面が前記基台本体の前記外面に比して前記セパレートプレートから離れる側にあり、
前記凹部は前記ポット部材の前記端面と前記ポット保持孔の内周面と前記セパレートプレートの前記基台側の面とにより画定されている請求項1又は2に記載の磁石埋込み型コアの製造装置。 - 前記凹部は前記セパレートプレートの前記基台側の面に形成された切欠部と前記基台とにより構成されている請求項1又は2に記載の磁石埋込み型コアの製造装置。
- 軸線方向の両端面に開口を有する貫通孔をなす磁石挿入孔を備えたロータコアと、前記磁石挿入孔に配置された磁石片と、前記磁石挿入孔に充填された樹脂とを含む磁石埋込み型コアの製造方法であって、
請求項1〜4の何れか一項に記載の製造装置が用いられ、
前記樹脂ポット室の溶融樹脂を前記プランジャによって前記磁石挿入孔に圧送する圧送工程を含み、
当該圧送工程において、前記凹部に進入して当該凹部において流動しない溶融樹脂の硬化の進行が、他の部分で流動している溶融樹脂の硬化の進行より速い磁石埋込み型コアの製造方法。
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