JPS61134675U - - Google Patents
Info
- Publication number
- JPS61134675U JPS61134675U JP1368085U JP1368085U JPS61134675U JP S61134675 U JPS61134675 U JP S61134675U JP 1368085 U JP1368085 U JP 1368085U JP 1368085 U JP1368085 U JP 1368085U JP S61134675 U JPS61134675 U JP S61134675U
- Authority
- JP
- Japan
- Prior art keywords
- punching
- die
- pressure
- back pressure
- punched
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 2
Landscapes
- Manufacture Of Motors, Generators (AREA)
Description
第１図及び第２図は本考案の一実施例を示すも
のであり、第１図は縦断面図、第２図は第１図と
異なる作用を示す縦断面図、第３図及び第４図は
夫々従来構成を示す縦断面図である。
図面中、１及び１０はダイス、２及び２１は積
層鉄心、４及び７は金型、９は打抜孔、１１は背
圧リング、１３は空間部、１６は圧力調整装置、
１７はポンチ、１８は電磁鋼板、１９は突起、２
０は挿入凹部、２１は鉄心抜板、２２は積層鉄心
である。
1 and 2 show one embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view, FIG. 2 is a longitudinal sectional view showing a different effect from that in FIG. 1, and FIGS. Each figure is a longitudinal sectional view showing a conventional configuration. In the drawing, 1 and 10 are dies, 2 and 21 are laminated cores, 4 and 7 are molds, 9 is a punched hole, 11 is a back pressure ring, 13 is a space, 16 is a pressure adjustment device,
17 is a punch, 18 is an electromagnetic steel plate, 19 is a protrusion, 2
0 is an insertion recess, 21 is a core punched, and 22 is a laminated core.
Claims (1)
る挿入孔が予め形成された電磁鋼板を所定の外形
形状に打抜するための打抜孔を有するダイスが打
抜用のポンチと対向させて配設された金型と、前
記ダイスの打抜孔に連続するように前記金型の内
径部に配設された環状をなす背圧リングと、この
背圧リングの外周部に位置させて前記金型に設け
られ内部に圧力流体を供給した空間部と、この空
間部内の圧力流体の圧力を加減して前記背圧リン
グの内径寸法を拡縮させ打抜かれた電磁鋼板から
なる鉄心抜板の外周部に背圧を与えるための圧力
調整装置とを具備してなる積層鉄心の金型装置。 A die having a punching hole for punching an electromagnetic steel sheet into a predetermined external shape, in which a projection for press-fitting and an insertion hole into which the projection is press-fitted is formed in advance, is opposed to a punch for punching. a ring-shaped back pressure ring disposed on the inner diameter of the die so as to be continuous with the punching hole of the die; A space provided in a mold and into which pressure fluid is supplied; and an outer periphery of an iron core punched from an electromagnetic steel sheet that is punched by adjusting the pressure of the pressure fluid in this space to expand or contract the inner diameter of the back pressure ring. A mold device for a laminated iron core, comprising a pressure adjustment device for applying back pressure to the part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1368085U JPS61134675U (en) | 1985-02-04 | 1985-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1368085U JPS61134675U (en) | 1985-02-04 | 1985-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61134675U true JPS61134675U (en) | 1986-08-22 |
Family
ID=30497911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1368085U Pending JPS61134675U (en) | 1985-02-04 | 1985-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61134675U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03124329A (en) * | 1989-10-03 | 1991-05-27 | Hirohata Denjikou Center Kk | Pressing method for iron core |
| JPH04197530A (en) * | 1990-11-27 | 1992-07-17 | Hirohata Denjikou Center Kk | Method for working laminated iron core |
| JP2000116075A (en) * | 1998-10-02 | 2000-04-21 | Mitsubishi Electric Corp | Core |
| JP2000116074A (en) * | 1998-08-06 | 2000-04-21 | Mitsubishi Electric Corp | Laminating die apparatus of core member and laminating method therefor |
-
1985
- 1985-02-04 JP JP1368085U patent/JPS61134675U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03124329A (en) * | 1989-10-03 | 1991-05-27 | Hirohata Denjikou Center Kk | Pressing method for iron core |
| JPH04197530A (en) * | 1990-11-27 | 1992-07-17 | Hirohata Denjikou Center Kk | Method for working laminated iron core |
| JP2000116074A (en) * | 1998-08-06 | 2000-04-21 | Mitsubishi Electric Corp | Laminating die apparatus of core member and laminating method therefor |
| JP2000116075A (en) * | 1998-10-02 | 2000-04-21 | Mitsubishi Electric Corp | Core |
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