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1. 发明专利

JP2017093067A 積層鉄心の製造方法审中-公开
公开(公告)号：JP2017093067A
公开(公告)日：2017-05-25
申请号：JP2015217507
申请日：2015-11-05
申请人：株式会社三井ハイテック , Mitsui High Tec Inc
发明人： HASHIMOTO AKIHIRO
IPC分类号： H02K15/02 , H01F41/02 , H02K1/22 , H02K1/27
CPC分类号： H01F41/02 , H02K1/22 , H02K1/27 , H02K15/02
摘要：【課題】複数の磁石収容領域が配列された加工体の積層体である回転子の積層鉄心において、残留応力を原因とした変形を抑制すること。【解決手段】積層鉄心の製造方法は、(A)被加工板Wを順送り金型に供給する工程と、(B)順送り金型による打ち抜き加工によって、環状部と、該環状部の周囲において周方向に所定の間隔で並んだ複数の磁石収容領域と、磁束の通路となる本体部分113とが形成された加工体を得る工程と、(C)複数の加工体を積み重ね、これらを締結することによって積層鉄心を得る工程と、を含み、(B)工程は、(b−1)磁石収容領域のうち先行して形成される先抜き領域112bを形成する工程と、(b−2)上記(b−1)工程後、磁石収容領域のうち先抜き領域112bに続いて形成される後抜き領域112cを形成する工程と、を含む。【選択図】図4

2. 发明专利

JP2014187862A Manufacturing method of rotor lamination iron core 有权
标题翻译：转子层压铁芯的制造方法
公开(公告)号：JP2014187862A
公开(公告)日：2014-10-02
申请号：JP2014021491
申请日：2014-02-06
申请人： Mitsui High Tec Inc , 株式会社三井ハイテック
发明人： HASHIMOTO AKIHIRO , SHIMIZU TAKAHIRO
IPC分类号： H02K1/27 , H02K15/02
CPC分类号： H02K15/024 , H02K1/2773 , H02K15/03 , Y10T29/49012
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a rotor lamination iron core by which a metal is prevented from flowing into a magnet insertion hole and shape precision and magnetical characteristics of the magnet insertion hole are prevented from being deteriorated even if a thin portion is provided by coining.SOLUTION: A manufacturing method of a rotor lamination iron core 13 which is formed by laminating iron core pieces 10 and includes a plurality of magnet insertion holes 12 to insert a permanent magnet 11 therein, respectively, in a circumferential direction and in which a thin portion 14 crossing a region A where a leaked magnetic flux of the permanent magnet 11 passes is formed in the iron core pieces 10, includes: a first step of previously forming a lower punch hole 17 within a punching region B of the magnet insertion hole 12 of the iron core piece 10 while being spaced apart from side end portions 16a, 20 and 21 of the punching region 17; a second step of forming a groove-shaped thin portion 14 including one end in the lower punch hole 17, including another end in a space region C of the iron core piece 10 and crossing a leaked magnetic flux passing through the region A; and a third step of forming the magnet insertion hole 12 and the space region C by punching.
摘要翻译：要解决的问题：为了提供防止金属流入磁体插入孔的转子叠片铁芯的制造方法，并且防止磁体插入孔的形状精度和磁特性劣化，即使是薄的部分是通过压印提供的。转子叠片铁芯13的制造方法，其通过层叠铁芯片10而形成，并且包括多个磁体插入孔12，以在圆周方向上分别插入永磁体11，在铁芯片10中形成有与永久磁铁11的漏磁通区域A交叉的薄壁部14，其特征在于，包括：在所述铁心片10的冲孔区域B内预先形成下冲孔17的第一工序铁心片10的磁铁插入孔12与冲孔区域17的侧端部16a，20和21间隔开; 在下冲孔17中形成包括一端的槽状薄部14的第二步骤，包括在铁芯片10的空间区域C中的另一端并穿过穿过区域A的泄漏磁通; 以及通过冲压形成磁体插入孔12和空间区域C的第三步骤。

3. 发明专利

JP2013021813A Method and device for manufacturing laminated iron core 审中-公开
标题翻译：用于制造层压铁芯的方法和装置
公开(公告)号：JP2013021813A
公开(公告)日：2013-01-31
申请号：JP2011153115
申请日：2011-07-11
申请人： Mitsui High Tec Inc , 株式会社三井ハイテック
发明人： MITSUI YASUMASA , UMEDA KAZUHIKO , HASHIMOTO AKIHIRO
IPC分类号： H02K15/02 , H02K1/16 , H02K1/18
摘要： PROBLEM TO BE SOLVED: To provide a method and device for manufacturing a laminated iron core, in which a stator having the same outer shape size, the same inner shape size, and only a different tooth width can be manufactured by one metal mold, and a variable range of the tooth width is large, and a non-punching region is not generated in slots.SOLUTION: A method for manufacturing a laminated iron core, comprises forming slots by: dividing a scheduled slot forming region of a thin plate material 20 into a plurality of regions including a left-half slot region 26L, an intermediate region 26M and a right-half slot region 26R along a circumferential direction, punching the intermediate region 26M of each slot by a first punch and die, punching the left-half slot region 26L of each slot by a second punch and die, and punching the right-half slot region 26R of each slot by a third punch and die. The first punch and die and the second punch and die are rotatable in a predetermined angle range, and rotated according to a tooth width.
摘要翻译：要解决的问题：提供一种层叠铁芯的制造方法和装置，其中具有相同的外形尺寸，相同的内部形状尺寸，并且只有不同的齿宽的定子可以由一种金属制造模具，并且齿宽的可变范围大，并且在狭槽中不产生非冲压区域。解决方案：一种层压铁芯的制造方法，包括：通过以下方式形成槽：将薄板材料20的调度槽形成区域划分成包括左半槽隙区域26L，中间区域26M和沿圆周方向的右半槽区域26R，通过第一冲模和冲模冲压每个槽的中间区域26M，通过第二冲模和冲模冲压每个槽的左半槽区域26L，每个槽的半槽区26R通过第三冲头和模具。第一冲头和模具以及第二冲头和模具可以在预定角度范围内旋转，并且根据齿宽度旋转。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2011199923A Method of manufacturing laminated core 有权
标题翻译：制造层压芯的方法
公开(公告)号：JP2011199923A
公开(公告)日：2011-10-06
申请号：JP2010060495
申请日：2010-03-17
申请人： Mitsui High Tec Inc , 株式会社三井ハイテック
发明人： HASHIMOTO AKIHIRO
IPC分类号： H02K15/02 , H02K1/14
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a laminated core for forming a small tooth of a rotor core piece and a stator core piece through slit blanking, by extending a magnetic pole piece unit, and increasing the motor torque by reducing sagging of the small tooth.SOLUTION: In the method of manufacturing a laminated core, the rotor core piece 15 blanks the outer periphery after blanking a slit S1 for forming the small tooth K1, and the stator core piece 14 blanks a spare slot 29 for forming a magnetic pole piece unit 20; performs coining to the magnetic pole piece unit 20 for extending it to the inside in a radial direction; blanks a finishing slot 30; blanks a slit S2 for forming a small tooth K2 and blanks a slit S3 for making a tip of the magnetic pole piece unit independent; and then blanks the inner periphery of the small tooth K2.
摘要翻译：要解决的问题：提供一种通过狭缝消隐来制造用于形成转子芯片和定子铁芯片的小齿的层叠铁芯的方法，通过延伸磁极片单元，并且通过减小电动机转矩来减小电动机转矩小齿。解决方案：在制造层叠铁心的方法中，转子芯片15在冲切用于形成小齿K1的狭缝S1之后，使外周边坯料消失，并且定子铁芯片14将用于形成磁极片单元20; 对磁极片单元20进行压印，将其向径向延伸到内侧; 空白整理槽30; 空白用于形成小齿K2的狭缝S2，并且使用于使磁极片单元的尖端独立的狭缝S3空白; 然后刮掉小齿K2的内周。

5. 发明专利

JP2011139605A Method for manufacturing laminated core 有权
标题翻译：制造层压芯的方法
公开(公告)号：JP2011139605A
公开(公告)日：2011-07-14
申请号：JP2009298291
申请日：2009-12-28
申请人： Mitsui High Tec Inc , 株式会社三井ハイテック
发明人： HASHIMOTO AKIHIRO
IPC分类号： H02K15/02
CPC分类号： H02K15/022 , H02K1/146 , Y10T29/49009 , Y10T29/49012 , Y10T29/49078 , Y10T29/5137 , Y10T29/53143
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a laminated core which enables the elongation of a magnetic pole piece, and improves the caulking and dimensional accuracies of the laminated core when the rotor core piece and stator core piece are produced from a strip material. SOLUTION: The method for manufacturing a laminated core includes (1) blanking a rotor core sheet 15 and a stator core sheet 14 from a thin strip material 27, wherein the stator core sheet 14 is positioned so as to have a common axis with the rotor core sheet 15, and includes a ring-shaped yoke piece 18 and a plurality of magnetic pole pieces 19 integrally connected to a radial inside of the yoke piece 18 in a way that each magnetic pole piece 19 includes a magnetic pole shaft piece 20 and a magnetic pole tooth piece 21, and (2) laminating the stator core sheet 14 inside a die. To form the magnetic pole pieces 19, preparatory slots 29 smaller than adjacent finishing slots 30 forming the magnetic pole pieces 19 are blanked, a part or all of the magnetic pole shaft pieces 20 are coined to elongate the same in a radially inward direction, the finishing slots 30 are blanked, and the magnetic pole tooth pieces 21 are shaped. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造层叠铁心的方法，其能够使磁极片伸长，并且当制造转子铁芯片和定子铁芯片时，提高层压铁心的铆接和尺寸精度条带材料。解决方案：层叠铁芯的制造方法包括：（1）从薄带材料27冲压转子芯片15和定子铁心片14，其中定子铁芯片14定位成具有公共轴线与转子铁心片15一体地形成，并且包括环形磁轭18和与磁轭18的径向内侧整体连接的多个磁极片19，每个磁极片19包括磁极轴件 20和磁极齿片21，以及（2）将定子铁芯片14层压在模具内。为了形成磁极片19，比形成磁极片19的相邻精加工槽30小的预备槽29被冲裁，一部分或全部磁极轴件20被制成在径向向内的方向上延伸，精加工槽30被冲裁，磁极齿片21成形。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2010214407A Die device used for manufacturing laminated iron core 有权
标题翻译：用于制造层压铁芯的DIE装置
公开(公告)号：JP2010214407A
公开(公告)日：2010-09-30
申请号：JP2009063266
申请日：2009-03-16
申请人： Mitsui High Tec Inc , 株式会社三井ハイテック
发明人： HASHIMOTO AKIHIRO
IPC分类号： B21D28/02
摘要： PROBLEM TO BE SOLVED: To provide a die device used for manufacturing a laminated iron core capable of lowering core pieces with excellent posture and loading them on a conveyor from a blanking die, successively conveying them in a step of blanking the core pieces in the manufacture of loose cores, and reducing the cost with excellent productivity in both blanking and conveying operations. SOLUTION: In the die device 10 for blanking core pieces 15 out of a blank 30, successively lowering them on a conveyor 28, and conveying them outside by the conveyor 28, multiple guide plates 14 for lowering and guiding the core pieces 15 on the conveyor 28 are provided on a lower part of a blanking die 12 for blanking the core pieces 15 along an inner surface of a die shoe 13. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于制造能够以优异的姿势降低铁心片的层叠铁芯的模具装置，并将它们从冲切模具装载在输送机上，在冲切芯片的步骤中依次传送它们在松散芯的制造中，并且在消隐和输送操作中以优异的生产率降低成本。解决方案：在用于将坯件30从坯料30中冲裁出来的模具装置10中，在输送机28上连续降低它们，并通过输送机28将其输送到外部，用于降低和引导芯片15的多个导板14 在传送带28的下部设置有用于沿着模具靴13的内表面冲切芯片15的冲裁模具12的下部。（C）2010，JPO＆INPIT

7. 发明专利

JP2009131027A Laminated core and its manufacturing method 审中-公开
标题翻译：层压芯及其制造方法
公开(公告)号：JP2009131027A
公开(公告)日：2009-06-11
申请号：JP2007302823
申请日：2007-11-22
申请人： Mitsui High Tec Inc , 株式会社三井ハイテック
发明人： HASHIMOTO AKIHIRO
IPC分类号： H02K1/18 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a laminated core in which the bonding strength of adjacent divided laminated cores is strong not only in a circumferential direction but also in a lamination direction and whose shape precision is superior.
SOLUTION: An arc-like hole (a) is formed into a divided core piece A on the lowermost layer by communicating with the adjacent divided core piece A; an arc-like connection arm (b) which is extended to an adjacent divided core piece B and is bent/inserted into the arc-like hole (a), formed by communicating with the divided core piece A, and an arc-like hole (c) where the arc-like connection arm (b) is set to one side are formed in the divided core piece B; an arc-like connection arm (d) extending to an adjacent divided core piece C and is bent/inserted into the arc-like hole (c), formed in the divided core piece B and an arc-like hole (e) where the arc-like connection arm (d), is set to one side are formed in the divided core piece C; a dn divided core pieces having the same structures as those of the divided core pieces B and C are laminated alternately. The arc-like connection arms (b) and (d) are set turnable to the arc-like holes (a), (c) and (e) in a lower layer, and they are connected in an uneven stepped manner, into an A-frame shape.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供相邻的分层叠铁芯的接合强度不仅在圆周方向上而且在层叠方向上都强的且其形状精度优异的层叠铁芯。解决方案：通过与相邻的分割芯片A连通，在最下层形成弧形孔（a）成分割芯片A. 弧形连接臂（b），其延伸到相邻的分割芯片B，并且被弯曲/插入到与分开的芯片A连通形成的弧形孔（a）中，弧形孔（c）在分割芯片B上形成弧形连接臂（b）设置为一侧的情况; 弧形连接臂（d）延伸到相邻的分割芯片C并弯曲/插入形成在分割芯片B中的弧形孔（c）中，弧形孔（e）设置在一侧的弧形连接臂（d）形成在分割芯片C中; 具有与分割芯片B和C相同结构的dn分割芯片交替层叠。弧形连接臂（b）和（d）可设置成下层的弧形孔（a），（c）和（e），并且它们以不均匀的阶梯式连接成 A框架形状。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2010130824A Laminated iron core and method of manufacturing the same 审中-公开
标题翻译：层压铁芯及其制造方法
公开(公告)号：JP2010130824A
公开(公告)日：2010-06-10
申请号：JP2008304219
申请日：2008-11-28
申请人： Mitsui High Tec Inc , 株式会社三井ハイテック
发明人： HASHIMOTO AKIHIRO
IPC分类号： H02K1/18 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a laminated iron core in which core pieces are coupled by caulking with a large joint strength and a high positional accuracy to remarkably improve shape precision, and to provide a method of manufacturing the laminated iron core.
SOLUTION: In the laminated iron core, a caulking projection 3A constituting one side of a caulking part 10, and a caulking recess 3B constituting the other side thereof are provided, and the iron cores are caulked and coupled by engaging a projection 3j and a tongue 3t of the caulking projection in one iron piece 3 with a caulking projection engaging hole 3o and a notch 3n of the other recess. A manufacturing method includes: forming the caulking projection and the caulking recess in a metal plate by punching, and caulking and coupling the iron pieces by punching the core piece from the metal plate into a predetermined shape, and engaging the projection and tongue of the caulking projection in the core piece with the caulking projection engaging hole and notch of the caulking recess in the pre-punched core piece.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种层叠铁芯，其中芯片以大的接合强度和高定位精度通过铆接而联接，以显着提高形状精度，并提供制造层叠铁芯的方法。解决方案：在层叠铁芯中，设置构成铆接部10的一侧的铆接突起3A和构成其另一侧的铆接凹部3B，并且通过将突起3j 以及具有铆接突起接合孔3o的一个铁片3中的铆接突起的舌部3t和另一个凹部的凹口3n。一种制造方法包括：通过冲压在金属板中形成铆接突起和铆接凹槽，并且通过将芯片从金属板冲压成预定形状来铆接和连接铁片，并且使铆接突起和铆接凹槽与铆接在铆接芯片中的铆接突起接合孔和铆接凹槽的凹口处在芯片中突出。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2007229768A Rotary drive device for die 有权
标题翻译：旋转驱动装置
公开(公告)号：JP2007229768A
公开(公告)日：2007-09-13
申请号：JP2006055369
申请日：2006-03-01
申请人： Mitsui High Tec Inc , 株式会社三井ハイテック
发明人： HASHIMOTO AKIHIRO
IPC分类号： B21D28/02 , B21D37/04 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a rotary drive device for a die, which prevents abnormal wear and breakage of a toothed belt as much as possible and maintains rotational accuracy of a die such as a blanking die.
SOLUTION: A rotary drive device 10 for a die has a blanking die 11 for blanking down an iron core piece, which is press-formed into a predetermined shape, from a metallic bar material, and for rotating and laminating the iron core pieces to form a laminated iron core. The rotary drive device 10 for a die has: a driven pulley 13, which is arranged with its shaft core aligned to the blanking die 11; a driving pulley 14, which is connected to the driven pulley 13 via a toothed belt 15 and connected to a power source giving rotating power to the blanking die 11; and a tension mechanism 20, which is provided with a tension pulley 19 coming into contact with a part of the toothed belt 15 and pressing the part. Further, the tension pulley 19 is pressed to the toothed belt 15 via springs 38, 39.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于模具的旋转驱动装置，其尽可能地防止齿形带的异常磨损和破损，并且保持诸如冲裁模具的模具的旋转精度。解决方案：用于模具的旋转驱动装置10具有冲切模11，用于冲压由金属棒材压制成预定形状的铁芯片，并且用于旋转和层压铁芯片形成层叠铁芯。用于模具的旋转驱动装置10具有：从动带轮13，其轴芯与冲切模11对准; 驱动滑轮14，其通过齿形带15连接到从动皮带轮13并连接到向冲切模11提供旋转动力的电源; 以及张紧机构20，其设置有与齿形带15的一部分接触并按压该部分的张紧轮19。此外，张力滑轮19经由弹簧38,39被压向齿形皮带15.版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2003019521A Method and device for manufacturing laminated core 有权
标题翻译：用于制造层压核的方法和装置
公开(公告)号：JP2003019521A
公开(公告)日：2003-01-21
申请号：JP2001206290
申请日：2001-07-06
申请人： Mitsui High Tec Inc , 株式会社三井ハイテック
发明人： HASHIMOTO AKIHIRO
IPC分类号： B21D28/02 , B21D43/00 , H01F41/02 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a method and a device for manufacturing a laminated core in which a plurality of blanking dies can be rotated respectively at an arbitrary rotational speed by one indexing means.
SOLUTION: A power transmission passage branching means 40 comprising a plurality of pulleys 42, 43, 44 and 45 for branching a power transmission passage of one indexing means 11 into a plurality of power transmission passages is interposed between the indexing means 11 and a plurality of blanking dies 3 and 3', the plurality of pulleys 42, 43, 44 and 45 of the power transmission passage branching means 40 are corresponded to the blanking dies 3 and 3' in a one-to-one manner, the corresponding set of the pulleys 42, 43, 44 and 45 and the blanking dies 3 and 3' are connected to each other via interlocking means 51 and 53, and the blanking dies 3 and 3' are respectively rotated via the corresponding pulleys 42, 43, 44 and 45.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种用于制造层叠铁芯的方法和装置，其中多个冲切模可以通过一个分度装置以任意的转速分别旋转。解决方案：包括多个皮带轮42,43,44和45的动力传递通道分支装置40，用于将一个分度装置11的动力传递通道分成多个动力传递通道，分配装置11和多个冲切模3和3'，动力传递路径分支装置40的多个皮带轮42,43,44和45以一对一的方式对应于冲裁模3和3'，相应的一组滑轮42,43,44和45以及冲裁模3和3'经由互锁装置51和53相互连接，并且冲裁模3和3'分别经由相应的滑轮42,43,44和45旋转。

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