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1. 发明专利

JP2001096319A DEVICE FOR MANUFACTURING LAMINATE 失效
公开(公告)号：JP2001096319A
公开(公告)日：2001-04-10
申请号：JP27130299
申请日：1999-09-24
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： AKIYAMA NORIYUKI , MURATA HIROYUKI , TAKEDA SUSUMU
IPC分类号： B21D28/02 , B21D39/03 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide a compact and powerful manufacturing device for the laminate equipped with laminated cores for a motor or the like, as a laminate block, by dowel caulking in a die, and also picked out without stopping the press at high speed. SOLUTION: This device laminates in turn plural plates having dowels, in a die with a punch and forms a laminate united into one by dowel caulking for each layer. The feature of the constitution is that this device is comprises of a cradle 5 and a braking means 8. The cradle 5 is driven upward by a cylinder 10, supporting the laminate 4 laminated in a die 3, at the bottom of the laminate 4. The braking means 8 pressurizes and restrains the cradle 5 and the connection 5a from the right angle direction in the progressing direction of a punch 1.

2. 发明专利

JP2001096318A METHOD FOR MANUFACTURING LAMINATE AND ITS APPARATUS 失效
公开(公告)号：JP2001096318A
公开(公告)日：2001-04-10
申请号：JP27130099
申请日：1999-09-24
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： HAMADA HIDEAKI , AKIYAMA NORIYUKI
IPC分类号： B21D28/02 , B21D39/03 , H01F41/02 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a laminate with high accuracy which prevents the deterioration of parallelism between top and bottom of the laminate and the occurrence of collapsing layer stacking, which are caused by variation in thickness among sheets, and/or which are not affected by variation in thickness among sheets in manufacturing the laminate, by stacking multiple sheets and dowel crimping these layers into one plate body. SOLUTION: In the manufacturing method to form a laminate 5 by stacking multiple sheets 9 with dowel one by one in a die 4 using a punch 1 and dowel crimping layer-to-layer into one plate, it is equipped with an underhung pat 7 supporting the bottom side of the sheet 9 in parallel with the bottom face of a punch 1, a lower die guide 6 guiding the underhung pat 7 below the die vertically against the bottom face of the punch, a die 4 with a guiding face 4a vertically against the underhung pat 7, and a cylinder 8 moving the underhung pat 7 up and down.

3. 发明专利

JP2001078399A METHOD FOR MANUFACTURING LAMINATE AND APPARATUS THEREFOR 失效
公开(公告)号：JP2001078399A
公开(公告)日：2001-03-23
申请号：JP25295499
申请日：1999-09-07
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： OKADA NOBUHIRO , AKIYAMA NORIYUKI
IPC分类号： B23P11/00 , H02K15/02
摘要： PROBLEM TO BE SOLVED: To suppress an increase in the thickness of lamination layers and prevent degradation of a magnetic property by applying a low-viscosity adhesive to the side end surface of a laminated single plate, and infiltrating and adhering the adhesive into a gap between the laminated single plates through a capillary phenomenon. SOLUTION: This laminate is formed so that an adhesive inhibitor 2 may be applied between blocks 3 on which a plurality of single plates 1 may be laminated. A low- viscosity adhesive 4 having 3000 CPS viscosity or lower is applied to the side end surface of the laminate. Because the viscosity of the adhesive 4 is low, a capillary phenomenon infiltrates the adhesive 4 between gaps of the single plates 1 to bond the single plates 1, however, a gap between the single plates 1 to which the adhesive inhibitor 2 is applied is not bonded. Fn the low-viscosity adhesive, its viscosity is determined depending on the thickness of the single plate and its surface condition as appropriate. For example, epoxy, hot melt, or silicone cyanoacrylate adhesive is preferable. By applying an adhesive inhibitor, such as oil, to the single plate at prescribed intervals before laminating the single plates, and forming a separated part on the laminate, a laminate may be formed with a fixed number of single plates bonded.

4. 发明专利

JPH05104168A PRESS DIE 失效
公开(公告)号：JPH05104168A
公开(公告)日：1993-04-27
申请号：JP26178991
申请日：1991-10-09
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： KOBAYASHI HIROYUKI , OKADA NOBUHIRO , NAMIOKA HIRONORI , AKIYAMA NORIYUKI
IPC分类号： B21D28/00 , B21D28/14 , B21D28/34
摘要： PURPOSE:To provide a press die capable of detecting defective products produced when a punch or a die plate is damaged and normal shearing is incapable. CONSTITUTION:A detecting pin 23 electrically insulated from the die is assembled with a post stage part which a blank 29 is shared by the punch 14 to make it possible to detect the defective.

5. 发明专利

JPH04200934A CUPPING DIE 失效
公开(公告)号：JPH04200934A
公开(公告)日：1992-07-21
申请号：JP33795990
申请日：1990-11-30
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： FUKUDA KOJI , AKIYAMA NORIYUKI , BETSUMIYA ATSUSHI , YADORI YASUNORI
IPC分类号： B21D22/26 , B21D24/00
摘要： PURPOSE:To accurately work a bottom surface and product chamfering part by mounting a shoulder part to work a product chamfering part on a forming punch to work a plate material into the shape of a bottomed cylinder and providing a chamfering part and a clearance part on a forming die. CONSTITUTION:A plate material 2 is held between a stopper 5 and a forming die 3 and the forming punch 1 is lowered and the material 2 is worked into a bottomed cylinder. Then, an ejector 4 is elevated to eject the obtained product from the forming die 3 and to recover it. In this cupping die, a shoulder part 1a working the product chamfering part 6 on the boundary between the bottom surface and the outer peripheral part of the product is provided on this forming punch 1. On one hand, a chamfering part forming the product chamfering part 6 between the forming die 3 and the shoulder part 1a of this forming punch 1 and a clearance part 7 carrying out no chamfering are provided partially on the forming die 3 to form a clearance A communicating with a degreasing hole 8. Consequently, grease and air are prevented from remaining between the material 2 and the forming punch 1 and the bottom surface of the product and the product chamfering part 6 are improved in accuracy.

6. 发明专利

JP2001009532A MANUFACTURE OF LAMINATED ELEMENT 失效
公开(公告)号：JP2001009532A
公开(公告)日：2001-01-16
申请号：JP18491899
申请日：1999-06-30
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： AKIYAMA NORIYUKI
IPC分类号： B21D28/02
摘要： PROBLEM TO BE SOLVED: To obtain a laminated element of high space factor by applying a low viscosity binder to a die side face of a bandlike thin plate single plate punching position for laminating/jointing and, performing a punching processing after immediately moving it onto the die. SOLUTION: A band-like thin plate 11 is intermittently moved between a punch 4 and a die 5 and, punch block 1 advancing operation and a binder discharging operation from a nozzle 9 of a binder applying part 3 are controlled to be synchronized along with a stop timing of the intermittent movement. When the punch block 1 advances, the bandlike thin plate 11 is pressed upon the die 5 and abuts against the binder applying part 3. At this time, the punch 4 descends on the die 5 for punching out an iron core single plate 6 from the bandlike thin plate 11. The iron core single plate 6 is inserted into a punch hole 5a formed on the die 5 so as to be laminated. Also, on the binder applying part 3, a binder 7 is discharged from the nozzle 9 so as to apply the binder 7 to a bottom face of the band-like thin plate 11.

7. 发明专利

JP2000158054A PINCH TRIMMING PROCESS 失效
公开(公告)号：JP2000158054A
公开(公告)日：2000-06-13
申请号：JP34224998
申请日：1998-12-02
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： AKIYAMA NORIYUKI
IPC分类号： B21D24/16 , B21D28/00 , B21D28/14 , B21D28/16
摘要： PROBLEM TO BE SOLVED: To provide a pinch trim punch capable trimming without generating a burr. SOLUTION: At a place facing a cutting edge part 3a of a pinch trim punch 3 in a material 1 to be worked, a recessed groove 6 is formed along a profile shape to be trimmed directing upward roughly in an opposite direction for the punching direction of a pinch trim die 4. Next, pinch trimming is done to separate the material 1 and a scrap 2. By this method, the distance from the bottom part of the recessed groove 6 to the cutting edge part 4a of the pinch trim die 4 is made a minimum distance in punching, a shear stress is concentrated at its portion, as a result, a crack 7 is generated from the bottom part of the recessed groove 6, a burr is not generated in a cut part completely.

8. 发明专利

JPH07112296A LASER BEAM MACHINING DEVICE 失效
公开(公告)号：JPH07112296A
公开(公告)日：1995-05-02
申请号：JP25818093
申请日：1993-10-15
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： ISERI MITSUHIRO , AKIYAMA NORIYUKI
IPC分类号： B23K26/142 , B23K26/14 , B23K26/00
摘要： PURPOSE:To efficiently exclude contamination of a lens and protective glass and smoke on an optical path with a simple mechanism in a small space by providing an air spouting port from which high pressure air is spouted to the material to be machined side in the vicinity of the lens of a machining device frame. CONSTITUTION:Clean air obtained by removing dust and oil from ordinary industrial air is spouted with high pressure from the front face of protective glass 5 to make an air film on the front face of the glass 5 and discharged to the outside of a machining device frame 3. The flow velocity of air is accelerated on the surface of protective glass 5 by spouring the air in a spiral shape to give more excellent effect. By supplying the air in such a manner, contamination of the lens 6 and protective glass 5 and smoke from the optical path are excluded.

9. 发明专利

JPH0615387A PRESS DEVICE 失效
公开(公告)号：JPH0615387A
公开(公告)日：1994-01-25
申请号：JP17297692
申请日：1992-06-30
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： AKIYAMA NORIYUKI , TANSHIN MASAYA , OKADA NOBUHIRO , HAMADA SHUICHI
IPC分类号： B21D28/02 , B21D45/00 , B21D45/08
摘要： PURPOSE:To supply parts to an assembling machine without lowering production speed by providing a punch with a drop preventing means for the parts and a passage for a hoop carrier under a die plate and inserting the parts punched by the punching machine to be held into a fitting part of the hoop carrier. CONSTITUTION:The parts 3 is punched to drop from a material 7 by lowering the punch 1. The parts 3 is held at the tip end of the punch by an attracting hole 8 of the punch 1 and lowered together with the punch 1. When the punch 1 reaches the bottom dead center, the parts 3 is inserted into the fitting part 9 of the hoop carrier 2. At the same time, the attraction from the attraction hole 8 of the punch 1 is stopped, the punch 1 is elevated leaving the parts 3 on the hoop carrier 2 and the hoop carrier 2 is shifted by one pitch, then, the parts 3 is hermetically sealed by a top tape 6. Thus, the parts even having complex shapes can be supplied for the next process in an aligned state.

10. 发明专利

JPH04361834A DRAWING DIE ASSEMBLY 失效
公开(公告)号：JPH04361834A
公开(公告)日：1992-12-15
申请号：JP13766291
申请日：1991-06-10
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： AKIYAMA NORIYUKI , KOBAYASHI HIROYUKI , YADORI YASUNORI , NAMIOKA HIRONORI
IPC分类号： B21D22/28 , B21D24/00 , B21D24/16
摘要： PURPOSE:To provide a drawing die assembly, in which a drawn parts can be surely taken out from the die. CONSTITUTION:The drawing die assembly is constituted of a drawing punch 10, stripper 11, drawing die 12, etc., and inner part of the drawing die 12 is divided into plural pieces and also a sliding piece 13 as slidable in the radius direction is arranged. Further, a coil spring 14 is arranged at outer periphery of the sliding piece 13 to energize the sliding piece 13 to inside part. Then, the drawing parts worked with the drawing punch 10 and the drawing die 12, is detached at inner diameter end face of the sliding piece 13 at the time of ascending the drawing punch 10.

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