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
Links
- 238000001746 injection moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
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)
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.
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) |
-
1986
- 1986-09-20 JP JP14481386U patent/JPS6351717U/ja active Pending
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