JPS649725U - - Google Patents
Info
- Publication number
- JPS649725U JPS649725U JP1987105612U JP10561287U JPS649725U JP S649725 U JPS649725 U JP S649725U JP 1987105612 U JP1987105612 U JP 1987105612U JP 10561287 U JP10561287 U JP 10561287U JP S649725 U JPS649725 U JP S649725U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- tip
- nozzle
- screw
- 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
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 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
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- 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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/41—Intermeshing counter-rotating screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案の押出成型機の実施例に係る２
軸押出成型機の先端部分の断面図、第２図は従来
の２軸押出成型機の平面図、第３図は同縦断面図
、第４図は同正面図である。第５図、第６図及び
第７図はノズルの形状説明図、第８図は従来の２
軸押出成型機の先端部分の断面部である。
１２……ケーシング、１６……スクリユ、１８
……ノズル、２０……ダイス、３４……隘路部、
４４……コニカルスクリユ、４４……ノズルケー
シング。
Figure 1 shows an example of the extrusion molding machine of the present invention.
FIG. 2 is a plan view of a conventional twin-screw extrusion molding machine, FIG. 3 is a longitudinal sectional view thereof, and FIG. 4 is a front view thereof. Figures 5, 6, and 7 are explanatory diagrams of the shape of the nozzle, and Figure 8 is the conventional 2
This is a cross-section of the tip of the axial extrusion molding machine. 12...Casing, 16...Skrill, 18
...nozzle, 20...dice, 34...bottle section,
44... Conical screw, 44... Nozzle casing.
Claims (1)
クリユを有する押出成型機において、 該スクリユの先端にコニカルスクリユを設ける
と共にケーシングの先端に該コニカルスクリユに
被さるコーン状のノズルケーシングを設け、かつ
該ノズルケーシングの先端には円筒状の先端ノズ
ルを設け、 該コニカルスクリユの先端部分におけるコニカ
ルスクリユとノズルケーシングとの間の流路断面
積Ｓ１よりも、前記先端ノズルにおける流路断面
積Ｓ２を大としたことを特徴とする押出成型機。[Claims for Utility Model Registration] An extrusion molding machine having a casing and a screw inserted into the casing, a conical screw is provided at the tip of the screw, and a cone-shaped nozzle is provided at the tip of the casing to cover the conical screw. a casing, and a cylindrical tip nozzle is provided at the tip of the nozzle casing; An extrusion molding machine characterized by having a large flow passage cross-sectional area S2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987105612U JPH0642828Y2 (en) | 1987-07-09 | 1987-07-09 | Extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987105612U JPH0642828Y2 (en) | 1987-07-09 | 1987-07-09 | Extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS649725U true JPS649725U (en) | 1989-01-19 |
| JPH0642828Y2 JPH0642828Y2 (en) | 1994-11-09 |
Family
ID=31338383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987105612U Expired - Lifetime JPH0642828Y2 (en) | 1987-07-09 | 1987-07-09 | Extruder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642828Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49114275U (en) * | 1973-01-24 | 1974-09-30 |
-
1987
- 1987-07-09 JP JP1987105612U patent/JPH0642828Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49114275U (en) * | 1973-01-24 | 1974-09-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0642828Y2 (en) | 1994-11-09 |