JPH0342318U - - Google Patents
Info
- Publication number
- JPH0342318U JPH0342318U JP9903389U JP9903389U JPH0342318U JP H0342318 U JPH0342318 U JP H0342318U JP 9903389 U JP9903389 U JP 9903389U JP 9903389 U JP9903389 U JP 9903389U JP H0342318 U JPH0342318 U JP H0342318U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- hydraulic forming
- punch
- sealing material
- elastic body
- 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.)
- Granted
Links
- 239000003566 sealing material Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Gasket Seals (AREA)
Description
第１図は第１実施例の部分拡大断面図、第２図
は第２実施例の部分拡大断面図、第３図は本考案
による成形品の一例の斜視図、第４図は従来例の
対向液圧成形装置の全体断面図、第５図は第４図
の部分拡大断面図、第６図は従来例による成形品
の表面の欠陥（ブツ）の発生状態を示す斜視図で
ある。
１……パンチ、４……上型ブランクホルダ、５
，７，１０……シール材、１２……弾性体、１３
……液圧室、１５……対向液圧成形装置、Ｗ，Ｗ
０……素板。
Fig. 1 is a partially enlarged sectional view of the first embodiment, Fig. 2 is a partially enlarged sectional view of the second embodiment, Fig. 3 is a perspective view of an example of a molded product according to the present invention, and Fig. 4 is a conventional example. FIG. 5 is a partially enlarged sectional view of FIG. 4, and FIG. 6 is a perspective view showing the occurrence of defects (bumps) on the surface of a molded product according to a conventional example. 1...Punch, 4...Upper blank holder, 5
, 7, 10...Sealing material, 12...Elastic body, 13
... Hydraulic pressure chamber, 15 ... Opposing hydraulic forming device, W, W
0 ...Bare board.
Claims (1)
を用いて液圧室内に直接素板を押し込み、所望の
形状を成形する対向液圧成形装置に於いて、上型
ブランクホルダの内輪端部にリング状の弾性体を
配設したことを特徴とする対向液圧成形装置。 In opposed hydraulic forming equipment, which presses blank sheets directly into the hydraulic chamber using a punch to form the desired shape while preventing leakage of hydraulic pressure with a sealing material, a ring-shaped molding is applied to the inner ring end of the upper blank holder. A facing hydraulic forming device characterized by having an elastic body arranged therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989099033U JPH0638581Y2 (en) | 1989-08-28 | 1989-08-28 | Opposing hydraulic forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989099033U JPH0638581Y2 (en) | 1989-08-28 | 1989-08-28 | Opposing hydraulic forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0342318U true JPH0342318U (en) | 1991-04-22 |
| JPH0638581Y2 JPH0638581Y2 (en) | 1994-10-12 |
Family
ID=31648100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989099033U Expired - Lifetime JPH0638581Y2 (en) | 1989-08-28 | 1989-08-28 | Opposing hydraulic forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638581Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5592434U (en) * | 1978-12-20 | 1980-06-26 |
-
1989
- 1989-08-28 JP JP1989099033U patent/JPH0638581Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5592434U (en) * | 1978-12-20 | 1980-06-26 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638581Y2 (en) | 1994-10-12 |
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