JPS623710U - - Google Patents
Info
- Publication number
- JPS623710U JPS623710U JP9651485U JP9651485U JPS623710U JP S623710 U JPS623710 U JP S623710U JP 9651485 U JP9651485 U JP 9651485U JP 9651485 U JP9651485 U JP 9651485U JP S623710 U JPS623710 U JP S623710U
- Authority
- JP
- Japan
- Prior art keywords
- return
- supply
- path
- opening
- plastic raw
- 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
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims 3
- 239000002994 raw material Substances 0.000 claims 3
- 238000010107 reaction injection moulding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図及び第２図は本考案の一実施例を示すも
ので、第１図イは要部の断面図、第１図ロは第１
図イのＡ―Ａ断面図、第２図は一方のブロツクを
断面で示した正面図、また、第３図は射出成形機
のフローチヤート、第４図ないし第６図は従来の
混合ヘツドを示すもので、第４図は要部の断面図
、第５図は一方のブロツクを断面で示した正面図
、第６図は平面図である。
３……供給管、６……戻し管、８……ヘツド本
体、１０……ブロツク、１１……摺動孔、１２…
…スプール、１３……供給路、１４……戻し路、
１５……噴射ノズル（噴射路）、１７……循環路
、２３……供給路開閉弁、２６……戻し路開閉弁
。
Figures 1 and 2 show one embodiment of the present invention. Figure 1A is a sectional view of the main part, Figure 1B is a
Figure 2 is a cross-sectional view of one block, Figure 3 is a flowchart of an injection molding machine, and Figures 4 to 6 are a diagram of a conventional mixing head. 4 is a sectional view of the main part, FIG. 5 is a front view showing one block in cross section, and FIG. 6 is a plan view. 3... Supply pipe, 6... Return pipe, 8... Head body, 10... Block, 11... Sliding hole, 12...
...Spool, 13... Supply path, 14... Return path,
15... Injection nozzle (injection path), 17... Circulation path, 23... Supply path opening/closing valve, 26... Return path opening/closing valve.
Claims (1)
れたヘツド本体に、液状プラスチツク原料の供給
管と戻し管とが接続されたブロツクが着脱可能に
取付けられ、かつ、上記ブロツクには、上記供給
管に連通する供給路と上記戻し管に連通する戻し
路とが設けられると共に、上記ヘツド本体には、
上記供給路から送られてくる液状プラスチツク原
料を、射出時に上記摺動孔の混合室に噴射させる
噴射路と、非射出時に上記戻し路に戻す循環路と
が形成された反応射出成形機の混合ヘツドにおい
て、上記ブロツクには、上記供給管を開閉する供
給路開閉弁と上記戻し路を開閉する戻し路開閉弁
とが設けられて成ることを特徴とする反応射出成
形機の混合ヘツド。 A block to which a supply pipe and a return pipe for liquid plastic raw materials are connected is removably attached to the head body, in which a spool is slidably fitted in a sliding hole in a liquid-tight manner. , a supply passage communicating with the supply pipe and a return passage communicating with the return pipe, and the head main body includes:
A reaction injection molding machine having an injection path for injecting the liquid plastic raw material sent from the supply path into the mixing chamber of the sliding hole during injection, and a circulation path for returning the liquid plastic raw material to the return path during non-injection. A mixing head for a reaction injection molding machine, wherein the block is provided with a supply passage opening/closing valve for opening and closing the supply pipe and a return passage opening/closing valve for opening and closing the return passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9651485U JPH0221212Y2 (en) | 1985-06-25 | 1985-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9651485U JPH0221212Y2 (en) | 1985-06-25 | 1985-06-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS623710U true JPS623710U (en) | 1987-01-10 |
| JPH0221212Y2 JPH0221212Y2 (en) | 1990-06-08 |
Family
ID=30656007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9651485U Expired JPH0221212Y2 (en) | 1985-06-25 | 1985-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221212Y2 (en) |
-
1985
- 1985-06-25 JP JP9651485U patent/JPH0221212Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0221212Y2 (en) | 1990-06-08 |
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