JPH0362813U - - Google Patents
Info
- Publication number
- JPH0362813U JPH0362813U JP12169189U JP12169189U JPH0362813U JP H0362813 U JPH0362813 U JP H0362813U JP 12169189 U JP12169189 U JP 12169189U JP 12169189 U JP12169189 U JP 12169189U JP H0362813 U JPH0362813 U JP H0362813U
- Authority
- JP
- Japan
- Prior art keywords
- backflow prevention
- ring
- injection molding
- molding machine
- rotating
- 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
- 230000002265 prevention Effects 0.000 claims description 12
- 239000012768 molten material Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 description 2
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Producing Shaped Articles From Materials (AREA)
Description
第１図は本考案摩擦リングの正面図と側面図、
第２図は本考案摩擦リングを逆流防止装置に装着
した半断面図、第３図は従来の逆流防止装置の半
断面図である。
１……スクリユヘツド、１ａ……ネツク部、２
……（溶融材料通路付き）摩擦リング、２ａ……
（摩擦リングに設けた）溶融材料通路、３……逆
流防止リング（溶融材料通路なし）、４……逆流
防止リング内周面と押金外周面のすき間、５……
押金、６……スクリユ、１１……スクリユヘツド
、１２……摩擦リング、１３……逆流防止リング
（溶融材料通路付き）、１３ａ……（逆流防止リ
ングの）溶融材料通路、１３ｂ……（逆流防止リ
ングの）凸部、１４……逆流防止リング内周面と
押金と外周面のす間き、１５……押金、１６……
スクリユ。
Figure 1 is a front view and a side view of the friction ring of the present invention.
FIG. 2 is a half-sectional view of the friction ring of the present invention mounted on a backflow prevention device, and FIG. 3 is a half-sectional view of a conventional backflow prevention device. 1... Screw head, 1a... Network part, 2
...Friction ring (with molten material passage), 2a...
Molten material passage (provided in the friction ring), 3...Backflow prevention ring (no molten material passage), 4...Gap between the inner peripheral surface of the backflow prevention ring and the outer peripheral surface of the pusher, 5...
Pusher, 6... Screw, 11... Screw head, 12... Friction ring, 13... Backflow prevention ring (with molten material passage), 13a... (Backflow prevention ring) molten material passage, 13b... (Backflow prevention Convex portion of the ring, 14...Gap between the inner circumferential surface of the backflow prevention ring, the pusher and the outer circumferential surface, 15...The pusher, 16...
Skrill.
Claims (1)
摺動部分に摩擦リング２を設けた射出成形機の非
連れ廻り式逆流防止装置において、 前記摩擦リング２の前記逆流防止リング３との
回転摺動部分側に、溶融材料通路２ａを設けたこ
とを特徴とする射出成形機の逆流防止装置。[Scope of Claim for Utility Model Registration] In a non-following type backflow prevention device for an injection molding machine, the backflow prevention ring of the friction ring 2 is provided with a friction ring 2 on the rotating and sliding portion of the screw head 1 and the backflow prevention ring 3. 3. A backflow prevention device for an injection molding machine, characterized in that a molten material passage 2a is provided on the side of the rotating and sliding portion of the injection molding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12169189U JPH0362813U (en) | 1989-10-19 | 1989-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12169189U JPH0362813U (en) | 1989-10-19 | 1989-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0362813U true JPH0362813U (en) | 1991-06-19 |
Family
ID=31669717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12169189U Pending JPH0362813U (en) | 1989-10-19 | 1989-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0362813U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017056655A (en) * | 2015-09-17 | 2017-03-23 | 東洋機械金属株式会社 | Injection molding machine |
| WO2023153187A1 (en) * | 2022-02-08 | 2023-08-17 | 株式会社日本製鋼所 | Backflow prevention apparatus, screw, and injection molding machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5214659A (en) * | 1975-07-25 | 1977-02-03 | Mitsubishi Heavy Ind Ltd | Injection molding machine |
| JPS6226177U (en) * | 1985-07-26 | 1987-02-17 |
-
1989
- 1989-10-19 JP JP12169189U patent/JPH0362813U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5214659A (en) * | 1975-07-25 | 1977-02-03 | Mitsubishi Heavy Ind Ltd | Injection molding machine |
| JPS6226177U (en) * | 1985-07-26 | 1987-02-17 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017056655A (en) * | 2015-09-17 | 2017-03-23 | 東洋機械金属株式会社 | Injection molding machine |
| WO2023153187A1 (en) * | 2022-02-08 | 2023-08-17 | 株式会社日本製鋼所 | Backflow prevention apparatus, screw, and injection molding machine |