JPS649726U - - Google Patents
Info
- Publication number
- JPS649726U JPS649726U JP10260987U JP10260987U JPS649726U JP S649726 U JPS649726 U JP S649726U JP 10260987 U JP10260987 U JP 10260987U JP 10260987 U JP10260987 U JP 10260987U JP S649726 U JPS649726 U JP S649726U
- Authority
- JP
- Japan
- Prior art keywords
- wall thickness
- core
- parison
- setting means
- core position
- 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
- 239000000463 material Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 2
- 238000001125 extrusion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Description
第1図は、本考案装置を模式的に示す図、第2
図は、第1図に示す装置の作動を示す流れ図、第
3図は、従来の装置を示す図である。
1……溶融樹脂材料、2……押出機、3……ダ
イ、4……コア、5……環状スリツト、6……射
出用ピストン、7……パリソン、8……金型、9
……油圧駆動手段、10……油圧シリンダ、11
……コア位置設定手段、12……成形体、13…
…肉厚測定手段、14……比較手段、15……肉
厚設定手段。
FIG. 1 is a diagram schematically showing the device of the present invention, and FIG.
This figure is a flowchart showing the operation of the device shown in FIG. 1, and FIG. 3 is a diagram showing the conventional device. DESCRIPTION OF SYMBOLS 1... Molten resin material, 2... Extruder, 3... Die, 4... Core, 5... Annular slit, 6... Piston for injection, 7... Parison, 8... Mold, 9
... Hydraulic drive means, 10 ... Hydraulic cylinder, 11
... Core position setting means, 12 ... Molded object, 13 ...
...Thickness measuring means, 14... Comparing means, 15... Thickness setting means.
Claims (1)
成される環状スリツト5から押出しパリソン7を
形成する押出手段2と、コア4に連結されコアを
その軸線方向に偏移させる油圧駆動手段9と、油
圧駆動手段の作動を制御しコア位置を定めるコア
位置設定手段11と、パリソンを金型8内で膨張
させて成形する成形手段と、金型のキヤビデイ表
面に一致して設けられ、成形体12の肉厚を測定
する肉厚測定手段13と、所望の肉厚に対応する
設定肉厚信号を発生する肉厚設定手段15と、肉
厚測定手段および肉厚設定手段からのそれぞれの
信号を比較しその差に関連する差信号を発生する
比較手段14とを具え、その差信号に基づいてコ
ア位置設定手段を作動させパリソン肉厚を調整す
ることを特徴とする中空体成形装置。 extrusion means 2 for extruding molten resin material 1 through an annular slit 5 defined by a die 3 and a core 4 to form a parison 7; hydraulic drive means 9 connected to the core 4 for displacing the core in its axial direction; A core position setting means 11 which controls the operation of the hydraulic drive means and determines the core position; a molding means which expands and molds the parison in the mold 8; The wall thickness measuring means 13 that measures the wall thickness of the wall, the wall thickness setting means 15 that generates a set wall thickness signal corresponding to the desired wall thickness, and the respective signals from the wall thickness measuring means and the wall thickness setting means are compared. A hollow body molding apparatus characterized in that it comprises a comparison means 14 for generating a difference signal related to the difference between the two, and operates a core position setting means based on the difference signal to adjust the parison wall thickness.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10260987U JPH0436902Y2 (en) | 1987-07-06 | 1987-07-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10260987U JPH0436902Y2 (en) | 1987-07-06 | 1987-07-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS649726U true JPS649726U (en) | 1989-01-19 |
JPH0436902Y2 JPH0436902Y2 (en) | 1992-08-31 |
Family
ID=31332669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10260987U Expired JPH0436902Y2 (en) | 1987-07-06 | 1987-07-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0436902Y2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0347115U (en) * | 1989-09-19 | 1991-05-01 | ||
JPH04312833A (en) * | 1991-04-11 | 1992-11-04 | Ube Ind Ltd | Blow molding and method of controlling wall thickness of parison |
JPH07479A (en) * | 1993-03-25 | 1995-01-06 | Pohl Gmbh & Co Kg | Transfusion bottle |
-
1987
- 1987-07-06 JP JP10260987U patent/JPH0436902Y2/ja not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0347115U (en) * | 1989-09-19 | 1991-05-01 | ||
JPH04312833A (en) * | 1991-04-11 | 1992-11-04 | Ube Ind Ltd | Blow molding and method of controlling wall thickness of parison |
JPH07479A (en) * | 1993-03-25 | 1995-01-06 | Pohl Gmbh & Co Kg | Transfusion bottle |
Also Published As
Publication number | Publication date |
---|---|
JPH0436902Y2 (en) | 1992-08-31 |
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