JPH0523583B2 - - Google Patents
Info
- Publication number
- JPH0523583B2 JPH0523583B2 JP62240720A JP24072087A JPH0523583B2 JP H0523583 B2 JPH0523583 B2 JP H0523583B2 JP 62240720 A JP62240720 A JP 62240720A JP 24072087 A JP24072087 A JP 24072087A JP H0523583 B2 JPH0523583 B2 JP H0523583B2
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- section
- pitch
- link
- link device
- 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.)
- Expired - Lifetime
Links
Landscapes
- Advancing Webs (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、プラスチツクフイルムもしくはシー
ト状物の長手方向（縦方向）および幅方向（横方
向）の二軸に連続的に同時延伸する無端リンク装
置を備えたシート状物二軸延伸装置に関するもの
である。Detailed Description of the Invention [Industrial Application Field] The present invention relates to an endless link that continuously and simultaneously stretches a plastic film or sheet in two axes: the longitudinal direction (longitudinal direction) and the width direction (horizontal direction). The present invention relates to a sheet-shaped material biaxial stretching device equipped with the device.
従来の装置は、実公昭45−6785号に記載のよう
に構成されており、以下にその概要を示す。第２
図は延伸機の全体概略平面図であり、シート状物
１はリンク装置３のつかみ子２によつてその両側
端をつかまれたまま矢印Ａの方向に連続的に進行
しながら縦横二軸に同時に延伸される。リンク装
置はスプロケツト７，８，９によつてエンドレス
状に駆動され、その運動はシート状物１の両側に
配設されたガイドレール４，５，６によつて規制
される。Ｂはリンクピツチ縮小区間、Ｃはシート
状物つかみ区間、Ｄは予熱区間、Ｅは延伸区間、
Ｆは熱処理区間、Ｇはシート状物離し区間を示
す。
The conventional device is constructed as described in Japanese Utility Model Publication No. 45-6785, and its outline is shown below. Second
The figure is an overall schematic plan view of the stretching machine, in which the sheet-like material 1 is held at both ends by the grippers 2 of the link device 3 and moves continuously in the direction of the arrow A, simultaneously in the vertical and horizontal directions. Stretched. The link device is driven endlessly by sprockets 7, 8, 9, and its movement is regulated by guide rails 4, 5, 6 arranged on both sides of the sheet-like material 1. B is a link pitch reduction section, C is a sheet-like object gripping section, D is a preheating section, E is a stretching section,
F indicates a heat treatment section, and G indicates a sheet-like material release section.
また、特開昭61−58723号では、上記の装置に
対して任意の縦延伸倍率、縦横延伸倍率比変更を
目的として、ガイドレールの相対位置をハンドル
ネジ調整により可変とし、リンク装置のピツチを
可変とすることにより多品種生産用装置としての
提案がなされている。 In addition, in JP-A No. 61-58723, the relative position of the guide rail is made variable by adjusting the handle screw, and the pitch of the link device is changed for the purpose of changing the longitudinal stretching ratio and the ratio of the longitudinal and lateral stretching ratios. By making it variable, it has been proposed that it can be used as a device for producing a wide variety of products.
上記従来技術は、シート状物を縦横同時に二軸
延伸する装置としてのみの提案であり、延伸後の
熱処理工程からシート状物離し区間、スプロケツ
ト駆動から製品の巻取りに至るまでの機構につて
は言及しておらず、ガイドレールにより規制され
たリンク装置のピツチを可変とするのはシート状
物入口スプロケツト部から延伸区間までの間に限
られており、熱処理区間では常に一定ピツチ（最
長ピツチ）に規制されており、熱処理区間以降の
ピツチを可変とすることの配慮はされていなかつ
た。
The above-mentioned conventional technology is only proposed as an apparatus for biaxially stretching a sheet material simultaneously in the vertical and horizontal directions, and the mechanism from the post-stretching heat treatment process to the sheet separation section, from the sprocket drive to the winding of the product is not included. It is not mentioned that the pitch of the link device regulated by the guide rail is variable only between the sheet material inlet sprocket and the stretching section, and the pitch is always constant (maximum pitch) in the heat treatment section. However, no consideration was given to making the pitch variable after the heat treatment section.
従来の装置の例である第２図におけるシート状
物１の入口から出口までの距離とリンク装置３の
つかみ子２のピツチの関係は第５図のように表わ
すことができる。横軸の信号Ｃ，Ｄ，Ｅ，Ｆ，Ｇ
はそれぞれの区間を表わす。熱処理区間Ｆ、シー
ト状物離し区間Ｇのつかみ子２のピツチは一定で
あるので、リンク装置３とスプロケツト９のかみ
合いは一定である。従来装置では熱処理区間Ｆ以
降においてリンク装置３のピツチを可変とする
と、その都度変更したピツチに適合するスプロケ
ツトに交換することが必要となる。 The relationship between the distance from the inlet to the outlet of the sheet-like material 1 and the pitch of the gripper 2 of the link device 3 in FIG. 2, which is an example of a conventional device, can be expressed as shown in FIG. Horizontal axis signals C, D, E, F, G
represents each interval. Since the pitch of the grippers 2 in the heat treatment section F and the sheet-like object releasing section G is constant, the engagement between the link device 3 and the sprocket 9 is constant. In the conventional device, if the pitch of the link device 3 is made variable after the heat treatment section F, it is necessary to replace the sprocket with a sprocket that matches the changed pitch each time.
本発明の目的は、熱処理区間においてリンク装
置のピツチを可変にすると共に、ピツチの可変に
対応してスプロケツトの交換を必要としないシー
ト状物二軸延伸装置を提供することにある。 SUMMARY OF THE INVENTION An object of the present invention is to provide a biaxial stretching apparatus for sheet-like materials in which the pitch of a link device is variable in a heat treatment section and does not require replacing the sprocket in response to the variable pitch.
上記目的は、二軸延伸後のシート状物の熱処理
区間の後段に該シート状物を縦横二方向に同時に
収縮させる収縮区間と、シート状物を冷却する冷
却区間とを設け、その後に、シート状物離し区間
と、リンクピツチ解放区間とを時具備して前記リ
ンク装置のピツチを可変できるよう構成したこと
により達成される。
The above purpose is to provide a shrinking section for simultaneously shrinking the sheet in both longitudinal and lateral directions and a cooling section for cooling the sheet after the heat treatment section of the sheet after biaxial stretching. This is achieved by configuring the pitch of the link device to be variable by providing a link release section and a link pitch release section.
二軸延伸後のシート状物の熱処理区間の後段に
該シート状物を縦横二方向に同時に収縮させる収
縮区間と、シート状物を冷却する冷却区間とを設
け、その後に、シート状物離し区間と、リンクピ
ツチ解放区間とを順次具備して前記リンク装置の
ピツチを可変できるよう構成したことにより、熱
処理区間内の収縮区間で収縮されたリンクピツチ
はリンクピツチ解放区間で最大ピツチに解放され
るため、リンク装置のリンクピツチはスプロケツ
トに適合される。
After the heat treatment section of the sheet-like material after biaxial stretching, a shrinkage section for simultaneously shrinking the sheet-like material in both vertical and horizontal directions and a cooling section for cooling the sheet-like material are provided, and then a sheet-like material separation section is provided. and a link pitch release section so that the pitch of the link device can be varied, so that the link pitch contracted in the shrinkage section in the heat treatment section is released to the maximum pitch in the link pitch release section. The link pitch of the device is matched to the sprocket.
以下、本発明の一実施例を第１図により説明す
る。複数のリンク装置３はシート状物１の両側に
左右一対にエンドレス状に設けられており、シー
ト状物１は、シート状物つかみ区間Ｃに設けられ
た開閉ガイド１１によつて作動するつかみ子２に
よつてその両端部を握持され、予熱区間Ｄにて加
熱され、延伸区間Ｅにて縦横二方向に同時に延伸
され、熱処理区間Ｆにて延伸に伴なう内部ひずみ
の除去と結晶化度の調整が行なわれる。熱処理区
間Ｆには収縮区間Ｊと冷却区間Ｋが設けられ、次
いでシート状物離し区間Ｇ、リンクピツチ解放区
間Ｒが設けられる。第３図、第４図はリンク装置
３の構成を示すもので、等長の一対の対側リンク
１２，１３および一対の内側リンク１４，１５の
両端部をリンク軸１６ａ，１６ｂにより折尺状に
連結して形成されており、リンク軸１６ｂがスプ
ロケツト７，８，９にかみ合されて駆動され、リ
ンク軸１６ａ，１６ｂの下端に設けられた軸受ロ
ーラー１７，１８がそれぞれガイドレール４と６
および４と５によつて形成された溝に沿つて転動
する。ローラーチエーン１９はガイドレール４，
５，６の規制によりそのピツチが定まり、第３図
は最大ピツチ２P2の状態を示し、第４はガイド
レール４，５，６の規制によりローラーチエーン
１９は折れ尺状に折れてつかみ子２のピツチが２
Pi（最小ピツチから最大ピツチの間の任意のピツ
チ）の状態を示す。
An embodiment of the present invention will be described below with reference to FIG. A plurality of link devices 3 are provided in an endless pair on both sides of the sheet-like object 1, and the sheet-like object 1 has a gripper operated by an opening/closing guide 11 provided in a sheet-like object gripping section C. 2, and heated in a preheating section D, stretched simultaneously in two directions in the longitudinal and lateral directions in a stretching section E, and in a heat treatment section F, internal strain accompanying the stretching is removed and crystallization is performed. The degree is adjusted. The heat treatment section F is provided with a shrinkage section J and a cooling section K, followed by a sheet-like material release section G and a link pitch release section R. 3 and 4 show the structure of the link device 3, in which both ends of a pair of opposite links 12, 13 and a pair of inner links 14, 15 of equal length are shaped into a folded length by link shafts 16a, 16b. The link shaft 16b is engaged with and driven by the sprockets 7, 8, and 9, and bearing rollers 17 and 18 provided at the lower ends of the link shafts 16a and 16b are connected to the guide rails 4 and 6, respectively.
and rolls along the groove formed by 4 and 5. The roller chain 19 has a guide rail 4,
The pitch is determined by the regulations of guide rails 4, 5, and 6 , and FIG. 3 shows the state of the maximum pitch 2P2. The pitch is 2
Indicates the state of Pi (any pitch between the minimum pitch and the maximum pitch).
本発明によるシート状物１の入口から出口まで
の距離および各区間とつかみ子２のピツチの関係
を第６図に示す。延伸区間Ｅでつかみ子ピツチ
P1からP2に延伸されたシート状物１は、収縮区
間ＪにてP3て収縮し冷却区間Ｋを経てシート状
物離し区間Ｇにてつかみ子２からはずされ、延伸
装置からフリーの状態となり後段のシート巻取機
（図示せず）に巻取られる。シート状物１をはな
したリンク装置３のピツチはP3a、P3b、P3cのい
ずれにかかわらずリンクピツチ解放区間Ｒにて再
びP2（Pmax）となり、スプロケツト９にかみ合
う。 FIG. 6 shows the distance from the inlet to the outlet of the sheet-like material 1 according to the present invention and the relationship between each section and the pitch of the gripper 2. Grabber pitch in extension section E
The sheet material 1 stretched from P 1 to P 2 contracts at P 3 in the contraction section J, passes through the cooling section K, is removed from the gripper 2 in the sheet material release section G, and is released free from the stretching device. state, and is wound up by a subsequent sheet winding machine (not shown). Regardless of P 3a , P 3b , or P 3c , the pitch of the link device 3 that has released the sheet-like material 1 becomes P 2 (Pmax) again in the link pitch release section R, and engages with the sprocket 9.
本発明によれば、シート状物の延伸後の熱処理
工程における収縮率（リンク装置のピツチ）を可
変とした場合でも、スプロケツトの交換は不要と
なり、多品種生産機の操業度向上の効果がある。
According to the present invention, even if the shrinkage rate (pitch of the link device) in the heat treatment process after stretching the sheet material is made variable, there is no need to replace the sprocket, which has the effect of improving the operating efficiency of multi-product production machines. .
第１図は本発明の一実施例を示す二軸延伸装置
の平面図、第２図は従来の二軸延伸装置の平面
図、第３図、第４図はリンク装置の一部拡大平面
図、第５図は従来の延伸装置の距離とつかみ子の
ピツチの関係を示した線図、第６図は本発明によ
る二軸延伸装置の距離とつかみ子のピツチの関係
を示した線図である。
１……シート状物、２……つかみ子、３……リ
ンク装置、４，５，６……ガイドレール、７，
８，９……スプロケツト、Ｂ……リンクピツチ縮
小区間、Ｃ……シート状物つかみ区間、Ｄ……予
熱区間、Ｅ……延伸区間、Ｆ……熱処理区間、Ｇ
……シート状物離し区間、Ｊ……収縮区間、Ｒ…
…リンクピツチ解放区間、Ｐ……つかみ子のピツ
チ。
FIG. 1 is a plan view of a biaxial stretching device showing an embodiment of the present invention, FIG. 2 is a plan view of a conventional biaxial stretching device, and FIGS. 3 and 4 are partially enlarged plan views of a link device. , FIG. 5 is a diagram showing the relationship between distance and grip pitch in a conventional stretching device, and FIG. 6 is a diagram showing the relationship between distance and grip pitch in a biaxial stretching device according to the present invention. be. 1...Sheet-like object, 2...Gripper, 3...Link device, 4, 5, 6... Guide rail, 7,
8, 9...Sprocket, B...Link pitch reduction section, C...Sheet-shaped object gripping section, D...Preheating section, E...Stretching section, F...Heat treatment section, G
... Sheet-like object release section, J ... Shrinkage section, R ...
...Link pitch release section, P...Pitch of the grab child.
Claims (1)
数のつかみ子を備え、シート状物の両側端部に配
置したリンク装置を設け、該リンク装置は折尺状
エンドレスに連結された等長リンクよりなり、該
リンク装置のリンク軸がシート状物の進行方向に
末広がり状に配置されたガイドレールに案内され
て、つかみ子ピツチをしだいに拡大させることに
より、シート状物を縦横二方向に同時に延伸させ
るようにしたシート状物二軸延伸装置において、 前記二軸延伸後のシート状物の熱処理区間の後
段に該シート状物を縦横二方向に同時に収縮させ
る収縮区間と、シート状物を冷却する冷却区間と
を設け、その後に、シート状物離し区間とリンク
ピツチ解放区間とを準次具備して前記リンク装置
のピツチを可変できるよう構成したことを特徴と
するシート状物二軸延伸装置。[Scope of Claims] 1. A link device is provided at both ends of the sheet-like object and includes a plurality of grippers for gripping both edges of a thermoplastic resin sheet-like object, and the link device is attached to a folded endless sheet-like object. The link shaft of the link device is made up of connected equal-length links, and is guided by a guide rail that is arranged to spread outward in the direction in which the sheet-like object travels, and gradually expands the gripper pitch, so that the sheet-like object can be moved easily. In a sheet biaxial stretching device that simultaneously stretches a sheet in both longitudinal and lateral directions, a shrinking section that simultaneously shrinks the sheet in both longitudinal and lateral directions is provided after the heat treatment section of the sheet after the biaxial stretching. , a sheet-shaped object is provided with a cooling section for cooling the sheet-like object, and then a sheet-like object releasing section and a link pitch release section are provided in a semi-sequential manner so that the pitch of the link device can be varied. Biaxial stretching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62240720A JPS6485735A (en) | 1987-09-28 | 1987-09-28 | Biaxially stretching device of sheet-like material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62240720A JPS6485735A (en) | 1987-09-28 | 1987-09-28 | Biaxially stretching device of sheet-like material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6485735A JPS6485735A (en) | 1989-03-30 |
| JPH0523583B2 true JPH0523583B2 (en) | 1993-04-05 |
Family
ID=17063698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62240720A Granted JPS6485735A (en) | 1987-09-28 | 1987-09-28 | Biaxially stretching device of sheet-like material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6485735A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4582103B2 (en) * | 2007-03-12 | 2010-11-17 | 株式会社日立プラントテクノロジー | Sheet material drawing machine |
| JP6771222B2 (en) * | 2017-02-13 | 2020-10-21 | 株式会社市金工業社 | Sheet-like material transfer device, deceleration movement mechanism of transfer chain mechanism, and clip release mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS456785Y1 (en) * | 1966-04-27 | 1970-04-03 |
-
1987
- 1987-09-28 JP JP62240720A patent/JPS6485735A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6485735A (en) | 1989-03-30 |
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