JPS62150124U - - Google Patents
Info
- Publication number
- JPS62150124U JPS62150124U JP3611886U JP3611886U JPS62150124U JP S62150124 U JPS62150124 U JP S62150124U JP 3611886 U JP3611886 U JP 3611886U JP 3611886 U JP3611886 U JP 3611886U JP S62150124 U JPS62150124 U JP S62150124U
- Authority
- JP
- Japan
- Prior art keywords
- pusher
- backflow prevention
- injection molding
- inclined surface
- molding machine
- 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
- 230000002265 prevention Effects 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は、本考案に係る射出成形機の逆流防止
装置の第１実施例を示す断面図、第２図は同じく
第２実施例を示す断面図、第３図は従来の射出成
形機の逆流防止装置の断面図である。
１：加熱筒、２：ノズル、３：スクリユー、５
：スクリユーヘツド、５ａ：スクリユーヘツド本
体、５ｂ：（スクリユーヘツドの）軸部（円柱部
）、７：逆流防止リング、７ａ：内向き傾斜面、
７ｂ：前端面、８，８′：押金、９，９′：主押
金、９ａ，９′ａ：外向き傾斜面、１０，１０′
：リング部材、１１：補助押金、Ａ：溶融樹脂流
路。
Fig. 1 is a sectional view showing a first embodiment of a backflow prevention device for an injection molding machine according to the present invention, Fig. 2 is a sectional view showing the second embodiment, and Fig. 3 is a sectional view of a conventional injection molding machine. It is a sectional view of a backflow prevention device. 1: heating tube, 2: nozzle, 3: screw, 5
: Screw head, 5a: Screw head main body, 5b: Shaft (cylindrical part) (of screw head), 7: Backflow prevention ring, 7a: Inward inclined surface,
7b: front end surface, 8, 8': pusher, 9, 9': main pusher, 9a, 9'a: outwardly inclined surface, 10, 10'
: Ring member, 11: Auxiliary pusher, A: Molten resin channel.
Claims (1)
ーとの間の円柱部に嵌合し、後端部に傾斜面を有
する円筒形の押金と、該押金との間に環状の溶融
樹脂流路を形成し、傾斜面との間で該流路を遮断
し得る逆流防止リングとよりなる逆流防止装置に
於て、押金の円筒部より大きい外径の短筒状のリ
ング部材を押金の一部として介在させたことを特
徴とする射出成形機の逆流防止装置。 A cylindrical pusher that fits into a cylindrical portion between the screw head main body and the screw of an injection molding machine and has an inclined surface at the rear end, and an annular molten resin flow path is formed between the pusher and the pusher. In a backflow prevention device comprising a backflow prevention ring capable of blocking the flow path between the slope and the inclined surface, a short cylindrical ring member having an outer diameter larger than the cylindrical portion of the pusher is interposed as part of the pusher. A backflow prevention device for an injection molding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3611886U JPH0333449Y2 (en) | 1986-03-14 | 1986-03-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3611886U JPH0333449Y2 (en) | 1986-03-14 | 1986-03-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62150124U true JPS62150124U (en) | 1987-09-22 |
| JPH0333449Y2 JPH0333449Y2 (en) | 1991-07-16 |
Family
ID=30846224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3611886U Expired JPH0333449Y2 (en) | 1986-03-14 | 1986-03-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333449Y2 (en) |
-
1986
- 1986-03-14 JP JP3611886U patent/JPH0333449Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0333449Y2 (en) | 1991-07-16 |