JPH0336428U - - Google Patents
Info
- Publication number
- JPH0336428U JPH0336428U JP1989073680U JP7368089U JPH0336428U JP H0336428 U JPH0336428 U JP H0336428U JP 1989073680 U JP1989073680 U JP 1989073680U JP 7368089 U JP7368089 U JP 7368089U JP H0336428 U JPH0336428 U JP H0336428U
- Authority
- JP
- Japan
- Prior art keywords
- heater
- gap
- die
- die body
- lip
- 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 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 230000008602 contraction Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案の代表的な実施例に係る押出成
形用ダイリツプ調整装置の側断面図、第２図は第
１図のＢ断面詳細図、第３図は先に開発された押
出成形用ダイリツプ調整装置の側断面図、第４図
は第３図のＡ視詳細図である。
図の主要部分の説明、１，２……ダイ本体、１
′……可撓リツプ、４……筒状ヒータ、５……ス
タツドボルト、１４……排気ジヤケツト、１５−
１，１５−２，１５−３，１５−４……冷却空気
通路、２１……樹脂吐出口。
Fig. 1 is a side sectional view of a die lip adjustment device for extrusion molding according to a typical embodiment of the present invention, Fig. 2 is a detailed view of cross section B of Fig. 1, and Fig. 3 is a previously developed die lip adjustment device for extrusion molding. FIG. 4 is a side sectional view of the die lip adjusting device, and is a detailed view from A in FIG. 3. Explanation of the main parts of the diagram, 1, 2...Die body, 1
'... Flexible lip, 4... Cylindrical heater, 5... Stud bolt, 14... Exhaust jacket, 15-
1, 15-2, 15-3, 15-4...Cooling air passage, 21...Resin discharge port.
Claims (1)
ダイリツプ幅方向に複数個設けられ、スタツドボ
ルトの熱膨張及び熱収縮を利用してリツプ間隙を
調整する熱変位式リツプ調整装置に於て、前記各
スタツドボルトに外嵌され、直接スタツトボルト
を加熱する円筒状のヒータと、該ヒータとの間に
微小間隙をまたダイ本体との間に空隙をそれぞれ
もたせてヒータとダイ本体間に介装される断熱材
と、前記ヒータの外気側に配され、同ヒータとの
間に前記微小間隙に連通する微小間隙をもたせて
ダイ本体に固設される冷却ジヤケツトとからなり
、同ジヤケツトには前記各ヒータの外周に形成さ
れる個々の微小間隙に通じる冷却空気通路が設け
られていることを特徴とする押出成形用ダイリツ
プ調整装置。 In a thermal displacement type lip adjustment device, which is provided in plural numbers in the width direction of the die lip of a die for extrusion molding of a molten resin sheet or film, and which adjusts the lip gap by utilizing the thermal expansion and contraction of the stud bolts, each of the stud bolts A cylindrical heater that is fitted onto the outside of the die body and directly heats the stud bolt, and a heat insulating material that is interposed between the heater and the die body with a minute gap between the heater and a gap between the die body and the die body. , a cooling jacket which is disposed on the outside air side of the heater and is fixedly attached to the die body with a micro gap communicating with the micro gap between the jacket and the heater; A die lip adjustment device for extrusion molding, characterized in that a cooling air passage is provided that communicates with each minute gap to be formed.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989073680U JPH0615012Y2 (en) | 1989-06-23 | 1989-06-23 | Extrusion die lip adjustment device |
| US07/477,413 US5051082A (en) | 1989-02-17 | 1990-02-09 | Apparatus for adjusting die lips for extrusion molding |
| EP90250044A EP0383418B1 (en) | 1989-02-17 | 1990-02-14 | Apparatus for adjusting die lips for extrusion molding |
| DE69013025T DE69013025T2 (en) | 1989-02-17 | 1990-02-14 | Device for adjusting the die lips during extrusion. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989073680U JPH0615012Y2 (en) | 1989-06-23 | 1989-06-23 | Extrusion die lip adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0336428U true JPH0336428U (en) | 1991-04-09 |
| JPH0615012Y2 JPH0615012Y2 (en) | 1994-04-20 |
Family
ID=31612710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989073680U Expired - Lifetime JPH0615012Y2 (en) | 1989-02-17 | 1989-06-23 | Extrusion die lip adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0615012Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012240332A (en) * | 2011-05-20 | 2012-12-10 | Japan Steel Works Ltd:The | Heater and die lip adjusting device |
-
1989
- 1989-06-23 JP JP1989073680U patent/JPH0615012Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012240332A (en) * | 2011-05-20 | 2012-12-10 | Japan Steel Works Ltd:The | Heater and die lip adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0615012Y2 (en) | 1994-04-20 |