JPH0430030U - - Google Patents
Info
- Publication number
- JPH0430030U JPH0430030U JP1990071659U JP7165990U JPH0430030U JP H0430030 U JPH0430030 U JP H0430030U JP 1990071659 U JP1990071659 U JP 1990071659U JP 7165990 U JP7165990 U JP 7165990U JP H0430030 U JPH0430030 U JP H0430030U
- Authority
- JP
- Japan
- Prior art keywords
- kneading
- raw material
- sectional area
- flow path
- carved
- 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 10
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000002994 raw material Substances 0.000 claims 2
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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Description
第１図〜第３図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
断面側面図、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図のＡ−Ａ線矢視部
分の拡大断面図、第４図は他の実施例を示すＡ−
Ａ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、３……混練部、４……混練凹部、５……流通
路。
Figures 1 to 3 show an embodiment of this invention,
Figure 1 is a cross-sectional side view of an extruder equipped with a rotating screw for kneading, Figure 2 is an enlarged side view of the kneading section of the rotating screw for kneading, and Figure 3 is an enlarged view of the section taken along the line A-A in Figure 2. A cross-sectional view, FIG. 4 shows another embodiment.
FIG. 3 is an enlarged cross-sectional view of a portion viewed from line A. 1... Rotating screw for kneading, 2... Screw body, 3... Kneading section, 4... Kneading recess, 5... Distribution path.
Claims (1)
の外周面螺旋方向に沿つて混練凹部を多数刻設し
、 上記各混練凹部間の近接周壁部に流通路を刻設
すると共に、 前記混練凹部の原料流通断面積と、上記流通路
の原料流通断面積との比率を約２：１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 kneading recesses are carved along the spiral direction on the outer peripheral surface of the kneading part formed to the maximum outer diameter of the screw main body, and a flow path is carved in the peripheral wall adjacent to each of the kneading recesses. and a ratio of a raw material flow cross-sectional area of the kneading recess to a raw material flow cross-sectional area of the flow path is set to about 2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990071659U JPH0430030U (en) | 1990-07-04 | 1990-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990071659U JPH0430030U (en) | 1990-07-04 | 1990-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0430030U true JPH0430030U (en) | 1992-03-11 |
Family
ID=31608886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990071659U Pending JPH0430030U (en) | 1990-07-04 | 1990-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430030U (en) |
-
1990
- 1990-07-04 JP JP1990071659U patent/JPH0430030U/ja active Pending