JPH0430910U - - Google Patents
Info
- Publication number
- JPH0430910U JPH0430910U JP1990073049U JP7304990U JPH0430910U JP H0430910 U JPH0430910 U JP H0430910U JP 1990073049 U JP1990073049 U JP 1990073049U JP 7304990 U JP7304990 U JP 7304990U JP H0430910 U JPH0430910 U JP H0430910U
- Authority
- JP
- Japan
- Prior art keywords
- kneading
- raw material
- material transfer
- section
- kneading section
- 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
- 238000004898 kneading Methods 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Description
図面はこの考案の一実施例を示し、第１図は混
練用回転スクリユを備えた押出し機の縦断側面図
、第２図は混練用回転スクリユの混練部拡大側面
図、第３図は第２図に示すＡ−Ａ線矢視部分の拡
大断面図、第４図は第２図に示すＢ−Ｂ線矢視部
分の拡大断面図である。
１……混練用回転スクリユ、２……スクリユ本
体、３ａ……前位混練部、３ｂ……後位混練部、
４ａ……前位混練凹部、４ｂ……後位混練凹部、
α……原料移送始端側、β……原料移送終端側。
The drawings show one embodiment of this invention, in which Fig. 1 is a longitudinal sectional side view of an extruder equipped with a rotating screw for kneading, Fig. 2 is an enlarged side view of the kneading section of the rotating screw for kneading, and Fig. 3 is an enlarged side view of an extruder equipped with a rotating screw for kneading. FIG. 4 is an enlarged cross-sectional view of the portion taken along the line A--A shown in the figure, and FIG. 4 is an enlarged cross-sectional view taken along the line B--B shown in FIG. 1... Rotating screw for kneading, 2... Screw body, 3a... Front kneading section, 3b... Rear kneading section,
4a...front kneading recess, 4b...rear kneading recess,
α... Raw material transfer start end side, β... Raw material transfer end side.
Claims (1)
練部と後位混練部の各外周面に、螺旋方向に沿つ
て多数の前位混練凹部と後位混練凹部とを夫々刻
設し、 上記前位混練凹部の原料流通断面積を、上記前
位混練部の原料移送始端側から原料移送終端側に
かけて順次小面積となるように設定し、 前記後位混練凹部の原料流通断面積を、前記後
位混練部の原料移送始端側から原料移送終端側に
かけて同一面積に設定した 混練用回転スクリユ。[Scope of Claim for Utility Model Registration] A large number of front kneading recesses and rear kneading recesses are formed along the spiral direction on the outer peripheral surfaces of the front kneading section and the rear kneading section, which are formed to the maximum outer diameter of the screw body. The material flow cross-sectional area of the front kneading recess is set to become smaller sequentially from the raw material transfer start end side to the raw material transfer end side of the front kneading section, and A rotating screw for kneading, in which a raw material flow cross-sectional area is set to be the same from the raw material transfer start end to the raw material transfer end of the rear kneading section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990073049U JPH0430910U (en) | 1990-07-09 | 1990-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990073049U JPH0430910U (en) | 1990-07-09 | 1990-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0430910U true JPH0430910U (en) | 1992-03-12 |
Family
ID=31611536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990073049U Pending JPH0430910U (en) | 1990-07-09 | 1990-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430910U (en) |
-
1990
- 1990-07-09 JP JP1990073049U patent/JPH0430910U/ja active Pending