JPH02108014U - - Google Patents
Info
- Publication number
- JPH02108014U JPH02108014U JP1721689U JP1721689U JPH02108014U JP H02108014 U JPH02108014 U JP H02108014U JP 1721689 U JP1721689 U JP 1721689U JP 1721689 U JP1721689 U JP 1721689U JP H02108014 U JPH02108014 U JP H02108014U
- Authority
- JP
- Japan
- Prior art keywords
- inlet passage
- mixing head
- mixing chamber
- mixing
- spool
- 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
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 239000011550 stock solution Substances 0.000 claims 3
- 238000010107 reaction injection moulding Methods 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 2
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図ないし第２図は本考案の一実施例として
示した混合ヘツドの断面図であつて、第１図はス
プールを前進位置に移動した状態を示す図、第２
図はスプールを後退位置に移動した状態を示す図
、第３図ないし第４図は他のノズルを示す断面図
、第５図ないし第６図は従来例として示した混合
ヘツドの断面図であつて、第５図はスプールを前
進位置に移動した状態を示す図、第６図はスプー
ルを後退位置に移動した状態を示す図である。
１１……混合ヘツド本体、１２……スプール挿
通孔、１３……混合室、１５……入口通路、１６
……戻り通路、１７……絞り弁、１８……バイパ
ス通路、１９……ノズル（筒状体）、２０……ス
プール、２２……循環溝。
1 and 2 are cross-sectional views of a mixing head shown as an embodiment of the present invention, in which FIG. 1 shows the spool moved to the forward position, and FIG.
The figure shows the state in which the spool has been moved to the retracted position, Figures 3 and 4 are sectional views showing other nozzles, and Figures 5 and 6 are sectional views of a mixing head shown as a conventional example. FIG. 5 is a view showing the spool moved to the forward position, and FIG. 6 is a view showing the spool moved to the retracted position. 11...Mixing head body, 12...Spool insertion hole, 13...Mixing chamber, 15...Inlet passage, 16
...Return passage, 17... Throttle valve, 18... Bypass passage, 19... Nozzle (cylindrical body), 20... Spool, 22... Circulation groove.
Claims (1)
混合室に複数の原液を個々に導入する入口通路が
形成された混合ヘツド本体と、この混合ヘツド本
体の前記入口通路に設けられ、前記混合室に原液
を高速で噴出させる絞り弁と、前記混合ヘツド本
体の前記スプール挿通孔に挿通され、前記入口通
路を前記混合室に対して開閉するスプールとを備
えてなり、前記入口通路の前記絞り弁の上流側に
は、該入口通路が前記スプールによつて前記混合
室に対して閉状態にされた際に、該入口通路に供
給された原液を混合ヘツド本体の外側に導くため
のバイパス通路が連結されてなる反応射出成形機
の混合ヘツドにおいて、 前記入口通路には、前記バイパス通路が連結さ
れた部分の上流側から前記絞り弁に延びる筒状体
が設けられていることを特徴とする反応射出成形
機の混合ヘツド。[Claims for Utility Model Registration] A mixing head body in which an inlet passage is formed for individually introducing a plurality of stock solutions into the mixing chamber of a spool insertion hole whose tip side is a mixing chamber, and the inlet passage of the mixing head body. a throttle valve installed in the mixing chamber for spouting the stock solution at high speed; and a spool inserted into the spool insertion hole of the mixing head main body to open and close the inlet passage with respect to the mixing chamber; The upstream side of the throttle valve in the inlet passage is arranged such that when the inlet passage is closed to the mixing chamber by the spool, the stock solution supplied to the inlet passage is directed to the outside of the mixing head body. In the mixing head of a reaction injection molding machine, the inlet passage is provided with a cylindrical body extending from the upstream side of the part to which the bypass passage is connected to the throttle valve. A mixing head for a reaction injection molding machine, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1721689U JPH0530897Y2 (en) | 1989-02-16 | 1989-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1721689U JPH0530897Y2 (en) | 1989-02-16 | 1989-02-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02108014U true JPH02108014U (en) | 1990-08-28 |
| JPH0530897Y2 JPH0530897Y2 (en) | 1993-08-09 |
Family
ID=31230801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1721689U Expired - Lifetime JPH0530897Y2 (en) | 1989-02-16 | 1989-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0530897Y2 (en) |
-
1989
- 1989-02-16 JP JP1721689U patent/JPH0530897Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0530897Y2 (en) | 1993-08-09 |
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