JPH04440U - - Google Patents

Info

Publication number
JPH04440U
JPH04440U JP4095890U JP4095890U JPH04440U JP H04440 U JPH04440 U JP H04440U JP 4095890 U JP4095890 U JP 4095890U JP 4095890 U JP4095890 U JP 4095890U JP H04440 U JPH04440 U JP H04440U
Authority
JP
Japan
Prior art keywords
hydraulic
closing
pressure
attached
accumulators
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
Application number
JP4095890U
Other languages
Japanese (ja)
Other versions
JPH0739468Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990040958U priority Critical patent/JPH0739468Y2/en
Publication of JPH04440U publication Critical patent/JPH04440U/ja
Application granted granted Critical
Publication of JPH0739468Y2 publication Critical patent/JPH0739468Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Forging (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はプレス機械の要部を示す縦断面図、第
２図は第１図に示された閉塞用シリンダに接続さ
れている油圧回路を示す図である。 １……上型、２……下型、３……閉塞用シリン
ダ、４……スライド、７……ムービングボルスタ
、１０……ベツド、１１，１２……油圧室、１３
，１４……ピストン、１９……クツシヨンピン、
３１……油圧ポンプ、３２……圧油供給回路、３
５，３７……ロジツク弁、３６，３８……アキユ
ームレータ、３９，４０……パイロツト付き逆止
弁、４６……切換手段。 FIG. 1 is a longitudinal sectional view showing the main parts of the press machine, and FIG. 2 is a diagram showing a hydraulic circuit connected to the closing cylinder shown in FIG. 1. 1...Upper mold, 2...Lower mold, 3...Closing cylinder, 4...Slide, 7...Moving bolster, 10...Bed, 11, 12...Hydraulic chamber, 13
, 14...Piston, 19...Cushion pin,
31...Hydraulic pump, 32...Pressure oil supply circuit, 3
5, 37...Logic valve, 36, 38...Accumulator, 39, 40...Check valve with pilot, 46...Switching means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 上下動するスライドに取り付けられた上型と、
ボルスタに取り付けられ、かつ、ベツド内に組み
込まれた閉塞用シリンダの油圧による閉塞力を受
ける下型とによりワークを閉塞鍛造するプレス機
械において、油圧ポンプから圧油が供給される圧
油供給回路に、圧力が異なる圧力ガスが封入され
て異なる油圧を蓄圧可能な複数のアキユームレー
タと、これらのアキユームレータを選択的に切り
換えて前記閉塞用シリンダに接続する切換手段と
を設けたことを特徴とする閉塞鍛造プレス機械の
閉塞用油圧装置。 The upper mold is attached to a slide that moves up and down,
In a press machine that closes and forges a workpiece using a lower mold that is attached to a bolster and receives a closing force from the hydraulic pressure of a closing cylinder built into the bed, the pressure oil supply circuit to which pressure oil is supplied from a hydraulic pump is used. , a plurality of accumulators filled with pressure gases having different pressures and capable of accumulating different hydraulic pressures, and a switching means for selectively switching these accumulators and connecting them to the closing cylinder. Hydraulic system for closing forging press machines.
JP1990040958U 1990-04-16 1990-04-16 Closure Forging Press Machine Closure Hydraulic System Expired - Fee Related JPH0739468Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990040958U JPH0739468Y2 (en) 1990-04-16 1990-04-16 Closure Forging Press Machine Closure Hydraulic System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990040958U JPH0739468Y2 (en) 1990-04-16 1990-04-16 Closure Forging Press Machine Closure Hydraulic System

Publications (2)

Publication Number Publication Date
JPH04440U true JPH04440U (en) 1992-01-06
JPH0739468Y2 JPH0739468Y2 (en) 1995-09-13

Family

ID=31551209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990040958U Expired - Fee Related JPH0739468Y2 (en) 1990-04-16 1990-04-16 Closure Forging Press Machine Closure Hydraulic System

Country Status (1)

Country Link
JP (1) JPH0739468Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284847A (en) * 1985-10-09 1987-04-18 Sumitomo Heavy Ind Ltd Enclosed forging device
JPS642755A (en) * 1987-06-26 1989-01-06 Ishikawajima Harima Heavy Ind Co Ltd Forging press equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6284847A (en) * 1985-10-09 1987-04-18 Sumitomo Heavy Ind Ltd Enclosed forging device
JPS642755A (en) * 1987-06-26 1989-01-06 Ishikawajima Harima Heavy Ind Co Ltd Forging press equipment

Also Published As

Publication number Publication date
JPH0739468Y2 (en) 1995-09-13

Similar Documents

Publication Publication Date Title
JPS603977B2 (en) Mold clamping device for plastic injection molding machines
US6493913B2 (en) Device for hydraulic high pressure forming of a tubular component or a blank
JPH04440U (en)
JPH0281799U (en)
JPS6316526U (en)
JPH0614895Y2 (en) Damper device for die cushion device
US2343139A (en) High speed forging press
JPH0614896Y2 (en) Damper device for die cushion device
JPH0362696U (en)
JPH0723056Y2 (en) Upper limit damper device for pneumatic die cushion device
JPS6316525U (en)
JPH0168136U (en)
JPH0343163U (en)
JPH01165200U (en)
JPS606646Y2 (en) Two-stage stroke pressure cylinder
JPS6413309U (en)
SU984875A2 (en) Pneumatic pad for crank presses
JPS6353338U (en)
JPS6227302Y2 (en)
JPH02118697U (en)
JPS63166866U (en)
JPS62174751U (en)
JPS6353400U (en)
JPS6399047U (en)
JPS63166865U (en)

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees