JPS6351717U - - Google Patents

Info

Publication number
JPS6351717U
JPS6351717U JP14481386U JP14481386U JPS6351717U JP S6351717 U JPS6351717 U JP S6351717U JP 14481386 U JP14481386 U JP 14481386U JP 14481386 U JP14481386 U JP 14481386U JP S6351717 U JPS6351717 U JP S6351717U
Authority
JP
Japan
Prior art keywords
oil temperature
feedback circuit
pressure
pump
actuator
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
Application number
JP14481386U
Other languages
Japanese (ja)
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 JP14481386U priority Critical patent/JPS6351717U/ja
Publication of JPS6351717U publication Critical patent/JPS6351717U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)

Description

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

第1図は本考案の1実施例を示す図。第2図は
従来装置の図。 2……コントロールシリンダ、3……可変吐出
量ポンプ、4,5……切換弁、6……アンプ、7
……圧力センサ、8……斜板センサ、9……油温
上昇用回路、10……切換弁、11……リリーフ
弁、12……切換スイツチ。
FIG. 1 is a diagram showing one embodiment of the present invention. FIG. 2 is a diagram of a conventional device. 2...Control cylinder, 3...Variable discharge amount pump, 4, 5...Switching valve, 6...Amplifier, 7
... Pressure sensor, 8 ... Swash plate sensor, 9 ... Oil temperature increase circuit, 10 ... Selector valve, 11 ... Relief valve, 12 ... Selector switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 射出成形機に使用する電気的フイードバツク回
路により圧力、流量制御の両方を行う可変吐出量
ポンプ回路において、同ポンプとアクチエータの
間に、切換弁により制御されるリーリフ弁を設け
た油温上昇用油路を設けるとともに、油温上昇時
に圧力制御用フイードバツク回路を断つようにし
た切換スイツチを設けたことを特徴とする油温上
昇装置。
In a variable discharge pump circuit used in an injection molding machine that controls both pressure and flow rate using an electric feedback circuit, a relief valve controlled by a switching valve is installed between the pump and the actuator to increase the oil temperature. What is claimed is: 1. An oil temperature raising device characterized in that a changeover switch is provided to cut off a pressure control feedback circuit when the oil temperature rises.
JP14481386U 1986-09-20 1986-09-20 Pending JPS6351717U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14481386U JPS6351717U (en) 1986-09-20 1986-09-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14481386U JPS6351717U (en) 1986-09-20 1986-09-20

Publications (1)

Publication Number Publication Date
JPS6351717U true JPS6351717U (en) 1988-04-07

Family

ID=31055767

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14481386U Pending JPS6351717U (en) 1986-09-20 1986-09-20

Country Status (1)

Country Link
JP (1) JPS6351717U (en)

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