JPH01132724U - - Google Patents
Info
- Publication number
- JPH01132724U JPH01132724U JP1989016769U JP1676989U JPH01132724U JP H01132724 U JPH01132724 U JP H01132724U JP 1989016769 U JP1989016769 U JP 1989016769U JP 1676989 U JP1676989 U JP 1676989U JP H01132724 U JPH01132724 U JP H01132724U
- Authority
- JP
- Japan
- Prior art keywords
- screw
- heating cylinder
- vent chamber
- vent
- rear end
- 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
- 239000000463 material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 5
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000004898 kneading Methods 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
第１図は従来装置を示す図。第２図は本考案に
よる１実施例を示す図。第３図は本考案の他の実
施例を示す図。第４図は本考案によるさらに他の
実施例を示す図。
１１，１３…シリンダブロツク、１２…材料供
給口、１４…ベント室、１６…スクリユ、１６ａ
…逆ねじ部、１７…排気口、１９…軸封装置、２
０…仕切板、２３…ガイドブロツク。
FIG. 1 is a diagram showing a conventional device. FIG. 2 is a diagram showing one embodiment of the present invention. FIG. 3 is a diagram showing another embodiment of the present invention. FIG. 4 is a diagram showing still another embodiment of the present invention. 11, 13...Cylinder block, 12...Material supply port, 14...Vent chamber, 16...Screw, 16a
...Reverse threaded portion, 17...Exhaust port, 19...Shaft sealing device, 2
0...Partition plate, 23...Guide block.
Claims (1)
を含むプラスチツク又はゴム等を供給し、前記加
熱シリンダの後端に隣接して前記材料供給口に対
し材料移送方向と反対方向にベント室を設け、前
記加熱シリンダの後端部付近からベント室にかけ
て材料移送用ねじと逆方向の逆ねじを設けた材料
を移送し、混練、混合を行うスクリユを前記加熱
シリンダの後端面と対向したベント室後壁に取付
た軸封装置に支承させるように成し、前記材料の
揮発分を前記ベント室のスクリユ外周の下半分面
中の何処かに面した排気口より除去するようにし
たリアベント押出機において、前記加熱シリンダ
の後端部に前記スクリユの外周面を下側より覆う
ガイドブロツクを設けたことを特徴とするリアベ
ント押出機。 ２ 前記ガイドブロツクはスクリユ回転停止時の
みスクリユ外周面下側より覆うことを特徴とする
前記実用新案登録請求の範囲第１項記載のリアベ
ント押出機。[Claims for Utility Model Registration] 1. Plastics, rubber, etc. containing volatile matter are supplied from a material supply port provided in a heating cylinder, and a material is provided adjacent to the rear end of the heating cylinder in the direction of material transfer with respect to the material supply port. A vent chamber is provided in the opposite direction, and a screw with a reverse screw in the opposite direction to the material transfer screw is provided from near the rear end of the heating cylinder to the vent chamber to transfer the material, and a screw for kneading and mixing is placed behind the heating cylinder. The device is supported by a shaft sealing device attached to the rear wall of the vent chamber facing the end surface, and the volatile components of the material are removed from an exhaust port facing somewhere in the lower half surface of the outer periphery of the screw in the vent chamber. A rear vent extruder according to the invention, characterized in that a guide block is provided at the rear end of the heating cylinder to cover the outer peripheral surface of the screw from below. 2. The rear vent extruder according to claim 1, wherein the guide block covers the outer peripheral surface of the screw from below only when the screw rotation is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989016769U JPH01132724U (en) | 1989-02-15 | 1989-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989016769U JPH01132724U (en) | 1989-02-15 | 1989-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01132724U true JPH01132724U (en) | 1989-09-08 |
Family
ID=31229983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989016769U Pending JPH01132724U (en) | 1989-02-15 | 1989-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01132724U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010538879A (en) * | 2007-09-20 | 2010-12-16 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | Arrangement of drive unit in vent type extruder |
| JP2010538878A (en) * | 2007-09-20 | 2010-12-16 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | Vented extruder for venting polymer material and method for venting a syrup of polymer, solvent and / or monomer using a vented extruder |
| JP2013505863A (en) * | 2009-09-29 | 2013-02-21 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method and apparatus for coloring plastic molding materials |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58132533A (en) * | 1982-02-01 | 1983-08-06 | Mitsubishi Rayon Co Ltd | Screw extruder |
-
1989
- 1989-02-15 JP JP1989016769U patent/JPH01132724U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58132533A (en) * | 1982-02-01 | 1983-08-06 | Mitsubishi Rayon Co Ltd | Screw extruder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010538879A (en) * | 2007-09-20 | 2010-12-16 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | Arrangement of drive unit in vent type extruder |
| JP2010538878A (en) * | 2007-09-20 | 2010-12-16 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | Vented extruder for venting polymer material and method for venting a syrup of polymer, solvent and / or monomer using a vented extruder |
| JP2013505863A (en) * | 2009-09-29 | 2013-02-21 | エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツング | Method and apparatus for coloring plastic molding materials |
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