JPS5522906A - Plasticizing device in injection molding machine - Google Patents
Plasticizing device in injection molding machineInfo
- Publication number
- JPS5522906A JPS5522906A JP9507878A JP9507878A JPS5522906A JP S5522906 A JPS5522906 A JP S5522906A JP 9507878 A JP9507878 A JP 9507878A JP 9507878 A JP9507878 A JP 9507878A JP S5522906 A JPS5522906 A JP S5522906A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- cylinder
- plasticized
- plasticizing
- ragged
- 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
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
- B29C48/68—Barrels or cylinders
- B29C48/685—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads
- B29C48/686—Barrels or cylinders characterised by their inner surfaces, e.g. having grooves, projections or threads having grooves or cavities
-
- 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
- B29C48/255—Flow control means, e.g. valves
- B29C48/2556—Flow control means, e.g. valves provided in or in the proximity of dies
-
- 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
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
-
- 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
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
PURPOSE:To increase frictional force thus multiplying plasticizing capacity by providing ragged grooves at the inner surface of a plasticizing cylinder as well as a cooling section at the outer surface of the cylinder. CONSTITUTION:Tapered ragged grooves 3 is formed from an inlet 1 at the inner surface of a pasticizing cylinder 2. As a screw 6 rotates, a resin material is plasticized and mixed while it is transfered toward an outlet. The resin material charged in the groove of the screw 6 is cooled by a flange 5 that has cooling holes 4 at the outer surface of the cylinder 2. The plasticized molten resin is prevented from penetrating into the groove 3 so that high frictional force is kept all the time. Although the secrew 6 retructs after the plasticized resin has been stored in a screw head 9, it is desirable to select the length of a supplying section of the screw 6 being longer than the maximum stroke by 3 to 6 times of the diameter of the screw in order to increase plasticizing efficiency.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9507878A JPS5522906A (en) | 1978-08-04 | 1978-08-04 | Plasticizing device in injection molding machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9507878A JPS5522906A (en) | 1978-08-04 | 1978-08-04 | Plasticizing device in injection molding machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5522906A true JPS5522906A (en) | 1980-02-19 |
JPS5711772B2 JPS5711772B2 (en) | 1982-03-06 |
Family
ID=14127917
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9507878A Granted JPS5522906A (en) | 1978-08-04 | 1978-08-04 | Plasticizing device in injection molding machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5522906A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57193333A (en) * | 1981-05-26 | 1982-11-27 | Asmo Co Ltd | Injection molding machine |
JPS5862623U (en) * | 1981-10-22 | 1983-04-27 | 三菱重工業株式会社 | plasticizing equipment |
JPS59169918U (en) * | 1983-04-27 | 1984-11-14 | 住友重機械工業株式会社 | plasticizing equipment |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6255429U (en) * | 1985-09-25 | 1987-04-06 | ||
JPS6287825U (en) * | 1985-11-21 | 1987-06-04 | ||
JPS6371343A (en) * | 1986-09-12 | 1988-03-31 | 株式会社 森田鉄工所 | Corrugated board paper-bubbled plastic sheet composite body |
JPH0513966U (en) * | 1991-06-21 | 1993-02-23 | 川上産業株式会社 | Cushioning material made from single-sided corrugated paper |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5244783A (en) * | 1975-10-06 | 1977-04-08 | Koa Sekiyu Kk | Oil adsorbent |
-
1978
- 1978-08-04 JP JP9507878A patent/JPS5522906A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5244783A (en) * | 1975-10-06 | 1977-04-08 | Koa Sekiyu Kk | Oil adsorbent |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57193333A (en) * | 1981-05-26 | 1982-11-27 | Asmo Co Ltd | Injection molding machine |
JPS5862623U (en) * | 1981-10-22 | 1983-04-27 | 三菱重工業株式会社 | plasticizing equipment |
JPH0143217Y2 (en) * | 1981-10-22 | 1989-12-15 | ||
JPS59169918U (en) * | 1983-04-27 | 1984-11-14 | 住友重機械工業株式会社 | plasticizing equipment |
Also Published As
Publication number | Publication date |
---|---|
JPS5711772B2 (en) | 1982-03-06 |
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