JPH0195324U - - Google Patents
Info
- Publication number
- JPH0195324U JPH0195324U JP19144987U JP19144987U JPH0195324U JP H0195324 U JPH0195324 U JP H0195324U JP 19144987 U JP19144987 U JP 19144987U JP 19144987 U JP19144987 U JP 19144987U JP H0195324 U JPH0195324 U JP H0195324U
- Authority
- JP
- Japan
- Prior art keywords
- injection
- backward
- moves
- switching valve
- hydraulic pump
- 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
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案を実施した一実施例の射出成形
装置の概略正面図、第２図は射出成形装置におけ
る射出用油圧回路の概略図である。
図面の主要な部分を表わす符号の説明、１……
射出成形装置、７……射出装置、１７……射出ユ
ニツト、２５……射出ノズル、２７……射出ラム
、２９Ｍ……油圧モータ、ＣＶ５，ＣＶ６，ＣＶ
７……４ポート３位置切換弁、ＣＫ５……チエツ
ク弁、Ｘ……絞り弁。
FIG. 1 is a schematic front view of an injection molding apparatus according to an embodiment of the present invention, and FIG. 2 is a schematic diagram of an injection hydraulic circuit in the injection molding apparatus. Explanation of the symbols representing the main parts of the drawing, 1...
Injection molding device, 7... Injection device, 17... Injection unit, 25... Injection nozzle, 27... Injection ram, 29M... Hydraulic motor, CV5, CV6, CV
7...4 port 3 position switching valve, CK5...check valve, X...throttle valve.
Claims (1)
る射出ユニツト用シリンダと、材料を送給するた
めの回転可能なスクリユを備えた射出ラムを前進
後退せしめるインジエクシヨン用シリンダを設け
、その射出ユニツト用シリンダとインジエクシヨ
ン用シリンダを作動せしめる共通の油圧ポンプに
よる油圧回路中に、射出ユニツト用シリンダの前
進後退の作動を切換える切換弁を設け、その切換
弁と油圧ポンプとの間の管路中にチエツク弁を配
設してなることを特徴とする射出成形装置におけ
る射出用油圧回路。 An injection molding apparatus is provided with an injection unit cylinder that moves the injection unit forward and backward, and an injection cylinder that moves an injection ram equipped with a rotatable screw for feeding material forward and backward. A switching valve is provided in the hydraulic circuit using a common hydraulic pump that operates the cylinders, and a check valve is provided in the pipeline between the switching valve and the hydraulic pump. 1. A hydraulic circuit for injection in an injection molding device, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19144987U JPH0195324U (en) | 1987-12-18 | 1987-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19144987U JPH0195324U (en) | 1987-12-18 | 1987-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0195324U true JPH0195324U (en) | 1989-06-23 |
Family
ID=31482360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19144987U Pending JPH0195324U (en) | 1987-12-18 | 1987-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0195324U (en) |
-
1987
- 1987-12-18 JP JP19144987U patent/JPH0195324U/ja active Pending