JPS6171423U - - Google Patents
Info
- Publication number
- JPS6171423U JPS6171423U JP1984157655U JP15765584U JPS6171423U JP S6171423 U JPS6171423 U JP S6171423U JP 1984157655 U JP1984157655 U JP 1984157655U JP 15765584 U JP15765584 U JP 15765584U JP S6171423 U JPS6171423 U JP S6171423U
- Authority
- JP
- Japan
- Prior art keywords
- plastic material
- plastic
- screw
- section
- cone
- 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
- 239000011324 bead Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 7
- 238000007711 solidification Methods 0.000 claims 3
- 230000008023 solidification Effects 0.000 claims 3
- 239000000155 melt Substances 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 claims 1
- 238000003466 welding Methods 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
- B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
-
- 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
- B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
- B29C48/525—Conical screws
-
- 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/565—Screws having projections other than the thread, e.g. pins
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)
Description
第１図は本考案の１実施例を示す先端部の部分
断面図、第２図は第１図におけるケーシングのみ
の断面図、第３図は第２図において矢印Ｐ方向か
ら見た側面図、第４図は従来例を示す部分断面図
である。
１…ケーシング、２…スクリユー軸、３…テー
パー部、４…ガス抜棒、５ａ，５ｂ…肉盛ビード
、６…コーン部、７…ノズル、８…スクリユー羽
根。
FIG. 1 is a partial cross-sectional view of the tip part showing one embodiment of the present invention, FIG. 2 is a cross-sectional view of only the casing in FIG. 1, and FIG. 3 is a side view seen from the direction of arrow P in FIG. FIG. 4 is a partial sectional view showing a conventional example. DESCRIPTION OF SYMBOLS 1... Casing, 2... Screw shaft, 3... Taper part, 4... Gas release rod, 5a, 5b... Overlay bead, 6... Cone part, 7... Nozzle, 8... Screw blade.
Claims (1)
ク材を他の破砕物から分離し、この分離したプラ
スチツク材を円筒状で、この先端部はコーン部を
介して内径の小さくなつた所定長のノズルを有す
るケーシング内にモータ駆動されるスクリユーを
設けて、スクリユーの回転力によりプラスチツク
材を溶融したのち固化させるスクリユー式固化装
置に供給して、該スクリユー式固化装置から棒状
のプラスチツク材を得るプラスチツク固化機にお
いて、このプラスチツク固化機の上記コーン部と
ノズル部との内面及び、このコーン部とノズル部
に位置するスクリユー部の表面上とにケーシング
のほぼ軸方向に数本耐摩耗溶接材による肉盛ビー
ドを設けたことを特徴とするプラスチツク固化機
先端部の摩耗防止装置。 After the municipal waste is crushed by a crushing device, the plastic material is separated from other crushed materials, and the separated plastic material is shaped into a cylindrical shape, the tip of which is passed through a nozzle of a predetermined length with a reduced inner diameter through a cone. A plastic solidification machine which is provided with a motor-driven screw in a casing, and supplies the plastic material to a screw type solidification device which melts and solidifies the plastic material by the rotational force of the screw, and obtains rod-shaped plastic material from the screw type solidification device. , several overlay beads made of wear-resistant welding material are formed approximately in the axial direction of the casing on the inner surfaces of the cone section and nozzle section of the plastic solidifying machine, and on the surface of the screw section located between the cone section and the nozzle section. A wear prevention device for the tip of a plastic solidifying machine, characterized by having the following features:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984157655U JPH028742Y2 (en) | 1984-10-17 | 1984-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984157655U JPH028742Y2 (en) | 1984-10-17 | 1984-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6171423U true JPS6171423U (en) | 1986-05-15 |
| JPH028742Y2 JPH028742Y2 (en) | 1990-03-02 |
Family
ID=30715641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984157655U Expired JPH028742Y2 (en) | 1984-10-17 | 1984-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH028742Y2 (en) |
-
1984
- 1984-10-17 JP JP1984157655U patent/JPH028742Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028742Y2 (en) | 1990-03-02 |
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