JP4308063B2 - T-die and outer-inner deck rod for T-die - Google Patents
T-die and outer-inner deck rod for T-die Download PDFInfo
- Publication number
- JP4308063B2 JP4308063B2 JP2004103482A JP2004103482A JP4308063B2 JP 4308063 B2 JP4308063 B2 JP 4308063B2 JP 2004103482 A JP2004103482 A JP 2004103482A JP 2004103482 A JP2004103482 A JP 2004103482A JP 4308063 B2 JP4308063 B2 JP 4308063B2
- Authority
- JP
- Japan
- Prior art keywords
- die
- rod
- longitudinal direction
- deckle
- outer inner
- 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
- 229920005989 resin Polymers 0.000 claims description 59
- 239000011347 resin Substances 0.000 claims description 59
- 230000001154 acute effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 11
- -1 polyethylene Polymers 0.000 description 5
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241001417495 Serranidae Species 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000005003 food packaging material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
本発明は、ポリエチレン等の合成樹脂からフィルムを成形する際に用いられるＴダイに関し、詳しくはリップ部からの樹脂漏れを極力無くすと共に、成形されるフィルムの両端の耳高の発生を防止したＴダイ及びＴダイ用アウターインナーデッケル棒に関する。 The present invention relates to a T-die used when a film is formed from a synthetic resin such as polyethylene, and more specifically, the T-die that eliminates resin leakage from the lip portion as much as possible and prevents the occurrence of ear heights at both ends of the formed film. The present invention relates to an outer inner deck rod for dies and T dies.
ポリエチレンやポリプロピレン等の熱可塑性樹脂フィルムを成形する主な方法としては、Ｔダイ法とインフレーション法とがある。このうちＴダイ法はポリエチレン等の樹脂フィルムを押し出し成形し、これを熱いうちに金属箔やセロハン紙、クラフト紙等と重ね合わせ、ロールで加圧し、ラミネートして肥料袋、防振袋等を作るのに利用されており、さらに薬包材や食品包材等の包装材にも広範に利用されている。 As a main method for forming a thermoplastic resin film such as polyethylene or polypropylene, there are a T-die method and an inflation method. Among these, the T-die method extrudes and molds a resin film such as polyethylene, superimposes it with metal foil, cellophane paper, kraft paper, etc. while it is hot, presses with a roll, laminates it, and fertilizer bags, vibration-proof bags, etc. It is used for making and widely used for packaging materials such as medicine packaging materials and food packaging materials.
このＴダイにおいては、押し出し幅の調整手段が不可欠である。この押し出し幅の調整手段として、インナーデッケル方式とアウターデッケル方式とに大別される。インナーデッケル方式は、例えばＴダイのラウンド部にデッケルを配置し、さらにラウンド部下端にデッケル棒を配置し、このデッケルとデッケル棒とによって、溶融樹脂の漏洩を防止しつつ樹脂の幅規制を行うものである。一方、アウターデッケル方式は、例えばＴダイのリップ部外面に冶具を取り付け金具で圧着するようにして取り付け、冶具内のシール部をリップに密着せしめ、樹脂の幅規制を行うと共に、樹脂の漏洩防止を図るものである。 In this T-die, means for adjusting the extrusion width is indispensable. As the means for adjusting the extrusion width, there are roughly divided into an inner deckle method and an outer deckle method. In the inner deckle method, for example, a deckle is arranged at the round part of the T die, and a deckle rod is arranged at the lower end of the round part, and the resin width is regulated by this deckle and deckle rod while preventing leakage of the molten resin. Is. On the other hand, in the outer deckle method, for example, a jig is attached to the outer surface of the lip portion of the T die with a mounting bracket, and the seal portion in the jig is closely attached to the lip to regulate the resin width and prevent resin leakage. Is intended.
インナーデッケル方式の一例を示す正面部分の概略断面図を図８及びデッケル部分の拡大図を図９にそれぞれ示す。図８及び９において、５は押出機、６はＴダイ本体、７はマニホールド部、８はラウンド部、９はリップ部、１０は樹脂フィルム、１１は埋め込みデッケル支持棒、１２は埋め込みデッケル、１４はデッケル棒、１５は旗付デッケル棒をそれぞれ示す。 FIG. 8 is a schematic cross-sectional view of the front portion showing an example of the inner deckle method, and FIG. 9 is an enlarged view of the deckle portion. 8 and 9, 5 is an extruder, 6 is a T-die body, 7 is a manifold portion, 8 is a round portion, 9 is a lip portion, 10 is a resin film, 11 is an embedded deck support rod, 12 is an embedded deck, 14 Indicates a deckle rod, and 15 indicates a flagged deckle rod.
図８及び９に示されるＴダイは、マニホールド部７に設けられた埋め込みデッケル支持棒１１により保持された埋め込みデッケル１２とラウンド部８下端傾斜部に設けられたデッケル棒１４及び旗付デッケル棒１５とによって、樹脂幅の調整及び微調整を行い、樹脂フィルム１０を押し出し成形するものである。 8 and 9 includes an embedded deckle 12 held by an embedded deckle support bar 11 provided in the manifold portion 7, a deckle rod 14 provided at a lower end inclined portion of the round portion 8, and a flagged deckle rod 15; The resin width is adjusted and finely adjusted to extrude the resin film 10.
しかし、このような方式のＴダイでも、樹脂の種類によって、ネックインに基づき得られる樹脂フィルムの両端に耳高が発生する。この両端の耳高部分は樹脂フィルムを巻き取り後、除去しなければならず、経済的に極めて不利である。Ｔダイに用いられる樹脂としては、低密度ポリエチレン、直鎖低密度ポリエチレン、エチレン−酢酸ビニル樹脂、ポリプロピレン等１０種類以上あり、色付きのマスターバッチ樹脂もあり、同種の樹脂においてもメルトインデックス、ネックインの大きさも各々異なる。このような情況の中で、いずれの樹脂を用いても得られる樹脂フィルムの両端に耳高が全く生じないＴダイは得られていない。 However, even with this type of T-die, depending on the type of resin, ear heights are generated at both ends of the resin film obtained based on the neck-in. The ear-high portions at both ends must be removed after winding the resin film, which is extremely disadvantageous economically. There are more than 10 types of resins used for T-die, such as low-density polyethylene, linear low-density polyethylene, ethylene-vinyl acetate resin, and polypropylene, and there are colored masterbatch resins. The size of each is also different. Under such circumstances, no T-die has been obtained in which no ear height is generated at both ends of the resin film obtained by using any resin.
また、このようなＴダイでは、デッケル棒部分に樹脂が溜まり、その部分から樹脂漏れが生じるという問題が生じる。この漏れた樹脂は、得られた樹脂フィルムに落下し、付着する。樹脂漏れは１時間に２〜３回生じることがあり、この樹脂フィルムに付着した樹脂は、製品品質上、極めて問題である。すなわち、樹脂漏れがあると、樹脂フィルムを巻き取るときに静電気が発生し、洩れた樹脂が製品に入り、クレームの原因となっていた。このため、作業者が除去器具を用いてこの付着樹脂を取り除いているが、この作業は、最も危険であり、ニップロール等のロールに手を挟まれる等の恐れを生じる。 Further, in such a T-die, there is a problem that the resin is accumulated in the deckle rod portion and the resin leaks from the portion. The leaked resin falls and adheres to the obtained resin film. Resin leakage may occur 2-3 times per hour, and the resin adhering to the resin film is extremely problematic in terms of product quality. That is, if there is a resin leak, static electricity is generated when the resin film is wound up, and the leaked resin enters the product, causing a complaint. For this reason, the operator removes the adhering resin by using a removing tool, but this operation is the most dangerous and may cause a hand to be caught in a roll such as a nip roll.
一方、アウターデッケル方式では、デッケルをリップ出口に装着するため、どうしてもダイからロール迄のエアギャップが長くなり、耳高の発生が避けられないという問題が生じる。また、上記インナーデッケル方式と同様に樹脂漏れが生じるという問題も有する。 On the other hand, in the outer deckle method, since the deckle is attached to the lip outlet, the air gap from the die to the roll becomes inevitably long, and there is a problem that the occurrence of an ear height cannot be avoided. Also, there is a problem that resin leakage occurs as in the case of the inner deckle method.
このような問題を解決する提案として、特許文献１には、特定形状のインナーデッケルとアウターデッケルとを組み合わせて用いたＴダイが提案されている。 As a proposal for solving such a problem, Patent Document 1 proposes a T-die using a combination of a specific-shaped inner deck and an outer deck.
しかし、この特許文献１に記載のＴダイを用いても、用いる樹脂の種類によっては得られる樹脂フィルムの両端に耳高が発生し、また樹脂漏れが生じた。 However, even when the T-die described in Patent Document 1 was used, depending on the type of resin used, ear heights occurred at both ends of the obtained resin film, and resin leakage occurred.
一方、特許文献２には、ハタ付ロッド棒のハタ下面に目ヤニ除去体を形成したＴダイ装置のリップ下面清掃装置が記載されており、この目ヤニ除去体としてリップ下面を摺動可能な鍔状体が記載されている。 On the other hand, Patent Document 2 describes a lip lower surface cleaning device of a T-die device in which a spear removal body is formed on a bottom surface of a rod rod with a spatter, and the lower surface of the lip can be slid as the spear removal body. A rod-shaped body is described.
しかし、この特許文献２に記載されている目ヤニ除去体は、ハタ下面のみに設けられるもので、その目的はリップ下面に生成する目ヤニ(固着樹脂)を除去するものであり、得られる樹脂フィルムの耳高の発生を防止し、かつリップ部からの樹脂漏れを極力無くすものではない。 However, the spear remover described in Patent Document 2 is provided only on the bottom surface of the grouper, and its purpose is to remove the spear (fixed resin) generated on the bottom surface of the lip. It does not prevent the occurrence of film heights and eliminates resin leakage from the lip as much as possible.
従って、本発明の目的は、樹脂の種類及び性状に拘わらず、リップ部からの樹脂漏れを極力無くすと共に、成形される樹脂フィルムの両端の耳高の発生を防止したＴダイ及び該Ｔダイに用いられるＴダイ用アウターインナーデッケル棒を提供することにある。 Accordingly, an object of the present invention is to provide a T-die that eliminates resin leakage from the lip portion as much as possible regardless of the type and properties of the resin and prevents the occurrence of ear heights at both ends of the molded resin film, and the T-die. An object of the present invention is to provide an outer inner deckle rod for a T-die used.
本発明者らは、検討の結果、埋め込みデッケル等に加えて、特定のアウターインナーデッケル棒を用いることによって、本発明に到達することを知見した。 As a result of the study, the present inventors have found that the present invention can be reached by using a specific outer inner deckle rod in addition to the embedded deckle and the like.
すなわち、本発明（１）は、柱状体又は筒状体からなるロッドと、板状の長尺フラッグと、断面が縦長の長方形である厚板状の長尺デッケルとからなり、
該長尺フラッグの長手方向の上面と該ロッドの長手方向の下面とを、それぞれの部材の長手方向の全長に渡って一体化するように連結し、
該長尺フラッグの長手方向の下面と該長尺デッケルの長手方向の上面とを、それぞれの部材の長手方向の全長に渡って一体化するように連結したことを特徴とするＴダイ用アウターインナーデッケル棒を提供するものである。
That is, the present invention (1) consists of a rod made of a columnar body or a cylindrical body, a plate-like elongated flags, cross section and thick plate long deckle a vertical rectangle,
Connecting the upper surface in the longitudinal direction of the long flag and the lower surface in the longitudinal direction of the rod so as to be integrated over the entire length in the longitudinal direction of each member;
An outer inner for a T-die characterized in that the lower surface in the longitudinal direction of the long flag and the upper surface in the longitudinal direction of the long deckle are connected so as to be integrated over the entire length in the longitudinal direction of each member. A deckle rod is provided.
また、本発明(２)は、上記ロッドの断面が多角形、円形、逆液滴形である上記Ｔダイ用アウターインナーデッケル棒を提供するものである。 The present invention (2) also provides the outer inner deckle rod for T-die, wherein the rod has a polygonal, circular or reverse droplet cross section.
また、本発明(３)は、Ｔダイ用アウターインナーデッケル棒の一端側における該各部材の部材端面が形成するＴダイ用アウターインナーデッケル棒端面が、該各部材の長手方向に対して鋭角をなす傾斜面となっている上記Ｔダイ用アウターインナーデッケル棒を提供するものである。 In the present invention (3), the end surface of the outer inner deck rod for T die formed by the end surface of each member on one end side of the outer inner deck rod for T die has an acute angle with respect to the longitudinal direction of each member. that has become a form inclined surface is to provide an outer inner deckle rod for the T-die.
また、本発明(４)は、Ｔダイ用アウターインナーデッケル棒の一端側における該各部材の部材端面が形成するＴダイ用アウターインナーデッケル棒端面が、該各部材の長手方向に対する垂直面となっている上記Ｔダイ用アウターインナーデッケル棒を提供するものである。 Further, in the present invention (4), the end surface of the T-die outer inner deck rod formed by the member end surface of each member on one end side of the T-die outer inner deck rod is a vertical surface with respect to the longitudinal direction of each member. Tei Ru is intended to provide the above-mentioned T-die for the outer inner deckle rod.
また、本発明(５)は、溶融樹脂が流れるマニホールド部、ラウンド部及びリップ部を有し、ラウンド部にデッケルが設けられているＴダイであって、
柱状体又は筒状体からなるロッドと、板状の長尺フラッグと、断面が縦長の長方形である厚板状の長尺デッケルとからなり、該長尺フラッグの長手方向の上面と該ロッドの長手方向の下面とを、それぞれの部材の長手方向の全長に渡って一体化するように連結し、
該長尺フラッグの長手方向の下面と該長尺デッケルの長手方向の上面とを、それぞれの部材の長手方向の全長に渡って一体化するように連結したＴダイ用アウターインナーデッケル棒が設けられており、該ロッドは該ラウンド部下端傾斜部に嵌合され、該長尺フラッグはリップ部上部からリップ部出口を突出して配置されていることを特徴とするＴダイを提供するものである。
Further, the present invention ( 5 ) is a T die having a manifold portion, a round portion and a lip portion through which a molten resin flows, and a deckle is provided in the round portion,
A rod made of a columnar body or a cylindrical body, a plate-like elongated flags, cross section consists of a thick plate-like elongated deckle a vertical rectangle, the longitudinal direction of the upper surface and the rod of the long long flag The lower surface in the longitudinal direction is connected so as to be integrated over the entire length in the longitudinal direction of each member,
There is provided an outer inner deckle rod for T-die in which the lower surface in the longitudinal direction of the long flag and the upper surface in the longitudinal direction of the long deckle are connected so as to be integrated over the entire length in the longitudinal direction of each member. The rod is fitted to the round portion lower end inclined portion, and the long flag is arranged to protrude from the upper portion of the lip portion so as to project the lip portion outlet.
また、本発明(６)は、上記ロッドの断面が多角形、円形、逆液滴形である上記Ｔダイを提供するものである。 In addition, the present invention ( 6 ) provides the above-mentioned T-die in which the cross section of the rod is polygonal, circular or reverse droplet shape.
また、本発明(７)は、上記Ｔダイ用アウターインナーデッケル棒の一端側における該各部材の部材端面が形成するＴダイ用アウターインナーデッケル棒端面が、該各部材の長手方向に対して鋭角をなす傾斜面となっている上記Ｔダイを提供するものである。 Further, the present invention (7), T outer inner deckle rod end surface for die member end face of the respective member forms at one end side of the outer inner deckle rod for the T die, an acute angle to the longitudinal direction of the respective member that has an inclined surface forming the is to provide the T-die.
また、本発明(８)は、上記Ｔダイ用アウターインナーデッケル棒の一端側における該各部材の部材端面が形成するＴダイ用アウターインナーデッケル棒端面が、該各部材の長手方向に対する垂直面となっている上記Ｔダイを提供するものである。 Further, the present invention (8), T-die Outer Inner deckle rod end face member end face of the respective member forms at one end side of the outer inner deckle rod for the T die, and the perpendicular to the longitudinal direction of the respective member that has been in is to provide the above-mentioned T-die.
本発明に係るＴダイ用アウターインナーデッケル棒を用いたＴダイは、樹脂の種類及び性状に拘わらず、リップ部からの樹脂漏れを極力無くすと共に、成形されるフィルムの両端の耳高の発生を防止することができる。 The T-die using the outer inner deckle rod for T-die according to the present invention eliminates resin leakage from the lip portion as much as possible regardless of the type and properties of the resin, and generates the ear height at both ends of the molded film. Can be prevented.
以下、本発明を実施するための最良の形態について説明する。
図１は、本発明に係るＴダイ用アウターインナーデッケル棒の第一の実施形態を示す断面図であり、図２は、その先端部分の斜視図である。また、図３は、本発明に係るＴダイ用アウターインナーデッケル棒の第二の実施形態を示す断面図であり、図４は、その先端部分の斜視図である。
Hereinafter, the best mode for carrying out the present invention will be described.
FIG. 1 is a cross-sectional view showing a first embodiment of an outer inner deckle rod for a T die according to the present invention, and FIG. 2 is a perspective view of a tip portion thereof. FIG. 3 is a cross-sectional view showing a second embodiment of the outer inner deckle rod for T die according to the present invention, and FIG. 4 is a perspective view of the tip portion thereof.
本発明に係るアウターインナーデッケル棒１は、ロッド２と該ロッド下部に一体化されている長尺フラッグ３と該長尺フラッグ下部に一体化されている長尺デッケル４とからなる。 An outer inner deckle rod 1 according to the present invention includes a rod 2, a long flag 3 integrated with the lower portion of the rod, and a long deckle 4 integrated with the lower portion of the long flag.
ロッド２は、柱状体又は筒状体からなり、その断面は、多角形、円形、逆液滴形等である。図１及び２に示される第一の実施形態では、その断面は漏斗状の六角形、図３及び４に示される第二の実施形態では逆液滴形である。これらの断面形状及びその大きさは、Ｔダイのラウンド部下端の傾斜部に嵌合されるような形状及びその大きさにすることが必要である。 The rod 2 is formed of a columnar body or a cylindrical body, and the cross section thereof is a polygon, a circle, a reverse droplet shape, or the like. In the first embodiment shown in FIGS. 1 and 2, the cross-section is a funnel-shaped hexagon, and in the second embodiment shown in FIGS. These cross-sectional shapes and sizes thereof need to be shapes and sizes that can be fitted to the inclined portion at the lower end of the round portion of the T die.
長尺フラッグ３は、板状である。この長尺フラッグ３の縦方向の長さ（ｃ）は、Ｔダイのリップ部上部からリップ部出口を突出するような長さであることが必要である。 The long flag 3 is plate-shaped. The length (c) of the long flag 3 in the vertical direction needs to be long enough to project the lip portion outlet from the upper portion of the lip portion of the T die.
長尺デッケル４は、断面が縦長の長方形であり、Ｔダイのリップ部出口下方に配される。この長尺デッケル４の縦方向の長さ（ｂ）は、ロッド２の縦方向の長さ（ａ）と長尺デッケル４の縦方向の長さ（ｂ）の比が、１：１．２〜３．０となるような長さにすることが必要である。また、長尺デッケル４の横方向の長さ（ｅ）は、ロッド２の横方向の長さ(最大長さ)（ｄ）と略同一であることが望ましく、長尺フラッグの横方向の長さ（ｆ）の３．０〜７．０倍程度が好ましい。 The long deckle 4 has a vertically long rectangular cross section, and is arranged below the lip portion outlet of the T die. The longitudinal length (b) of the long deckle 4 is such that the ratio of the longitudinal length (a) of the rod 2 to the longitudinal length (b) of the long deckle 4 is 1: 1.2. It is necessary to make the length to be -3.0. The lateral length (e) of the long deckle 4 is preferably substantially the same as the lateral length (maximum length) (d) of the rod 2, and the lateral length of the long flag 4 About 3.0 to 7.0 times the thickness (f) is preferable.
また、長尺フラッグ３はその長手方向上面でロッド２の長手方向下面と全長に渡って一体化されていると共に、その長手方向下面で長尺デッケル４の長手方向上面と全長に渡って一体化されている。このように、ロッド２と長尺フラッグ３と長尺デッケル４が各々その長手方向において全長に渡って一体化され、全体的に一体化されているのは、Ｔダイに配置したときに、得られる樹脂フィルムの耳高の発生を防止し、かつ樹脂漏れを極力無くすためである。 Further, the long flag 3 is integrated over the entire length with the lower surface in the longitudinal direction of the rod 2 at the upper surface in the longitudinal direction, and is integrated with the upper surface in the longitudinal direction of the long deckle 4 at the lower surface in the longitudinal direction. Has been. In this way, the rod 2, the long flag 3 and the long deckle 4 are integrated over the entire length in the longitudinal direction, and the overall integration is obtained when they are arranged on the T-die. This is to prevent the height of the resin film from being generated and to prevent resin leakage as much as possible.
本発明の第一の実施形態では、図２に示されるように、アウターインナーデッケル棒１（ロッド２、長尺フラッグ３、長尺デッケル４のそれぞれを一体化して形成）の縦断面は、アウターインナーデッケル棒１の長手方向の全体が見渡せる正面から観察したときには、先端辺Ｌとして確認出来る部分になる。そして、このときの該縦断面は、該アウターインナーデッケル棒１（ロッド２、長尺フラッグ３、長尺デッケル４のそれぞれを一体化して形成）の長手方向に対し、下方に向け、つまりロッド２から長尺デッケル４に向かって鋭角の傾斜面となっている。即ち、Ｔダイ用アウターインナーデッケル棒の一端側における該各部材の部材端面が形成するＴダイ用アウターインナーデッケル棒端面が、該各部材の長手方向に対して鋭角をなす傾斜面となっている。この際の該縦断面の傾斜角（α）は、３０〜６０度が望ましい。一方、本発明の第二の実施形態では、図４に示されるように、アウターインナーデッケル棒１（ロッド２、長尺フラッグ３及び長尺デッケル４のそれぞれを一体化して形成）の場合の先端辺Ｌは、該アウターインナーデッケル棒１の長手方向に対して直角である。即ち、Ｔダイ用アウターインナーデッケル棒の一端側における該各部材の部材端面が形成するＴダイ用アウターインナーデッケル棒端面が、該各部材の長手方向に対する垂直面となっている。本発明の第一の実施形態及び本発明の第二の実施形態ともに、本発明の目的の達成が可能であるが、図２に示される第一の実施形態の方が、より効果的に本発明の目的の達成が可能である。 In the first embodiment of the present invention, as shown in FIG. 2, the longitudinal section of the outer inner deckle rod 1 (which is formed by integrating the rod 2, the long flag 3, and the long deckle 4) When viewed from the front where the entire length of the inner deckle rod 1 can be seen, it becomes a portion that can be confirmed as the tip side L. The minor section at this time, the longitudinal direction of the outer inner deckle rod 1 (rod 2, long flags 3, formed integrally with each elongated deckle 4) downward, i.e. rod 2 It becomes an inclined surface with an acute angle toward the long deckle 4. That, T outer inner deckle rod end surface for die member end face of the respective member at the one end side of the outer inner deckle rod for T-die is formed, that has an inclined surface at an acute angle to the longitudinal direction of the respective member . In this case, the inclination angle (α) of the longitudinal section is preferably 30 to 60 degrees. On the other hand, in the second embodiment of the present invention, as shown in FIG. 4, the tip in the case of the outer inner deckle rod 1 (the rod 2, the long flag 3 and the long deckle 4 are integrally formed). The side L is perpendicular to the longitudinal direction of the outer inner deckle rod 1 . That is, the end face of the outer inner deckle rod for T die formed by the end face of each member on the one end side of the outer inner deck rod for T die is a surface perpendicular to the longitudinal direction of each member. Second embodiment both of the first embodiment and the present invention of the present invention, it is possible to achieve the objects of the present invention found the following first embodiment shown in FIG. 2, the more effectively The object of the invention can be achieved.
本発明に係るアウターインナーデッケル棒１は、上述のように、ロッド２、長尺フラッグ３及び長尺デッケル４からなるものであるが、これらを一体に成形される。このアウターインナーデッケル棒１は、強度、耐熱性等を考慮してりん青銅等により製造される。 The outer inner deckle rod 1 according to the present invention is composed of the rod 2, the long flag 3 and the long deckle 4 as described above, and these are integrally formed. This outer inner deckle rod 1 is made of phosphor bronze or the like in consideration of strength, heat resistance and the like.
図１に示される第一の実施形態のアウターインナーデッケル棒１の好ましい断面寸法の一例は、次の通りである。
ロッド２：上部長方形部分の横方向の長さ（ｄ）３．５ｍｍ、縦方向の長さ５．０ｍｍ、下部逆台形部分の横方向の上底３．５ｍｍ、下底０．７ｍｍ、縦方向の長さ２．４ｍｍ、全体の縦方向の長さ（ａ）７．４ｍｍ
長尺フラッグ３：横方向長さ（ｆ）０．７ｍｍ、縦方向長さ（ｃ）３．０ｍｍ
長尺デッケル４：横方向長さ（ｅ）３．５ｍｍ、縦方向長さ（ｂ）１０．０ｍｍ
An example of a preferable cross-sectional dimension of the outer inner deckle rod 1 of the first embodiment shown in FIG. 1 is as follows.
Rod 2: Horizontal length of upper rectangular part (d) 3.5 mm, vertical length 5.0 mm, lower upper trapezoidal part horizontal upper base 3.5 mm, lower base 0.7 mm, vertical direction Length of 2.4 mm, overall length in the vertical direction (a) 7.4 mm
Long flag 3: horizontal length (f) 0.7 mm, vertical length (c) 3.0 mm
Long deckel 4: horizontal length (e) 3.5 mm, vertical length (b) 10.0 mm
図３に示される第一の実施形態のアウターインナーデッケル棒１の好ましい断面寸法の一例は、次の通りである。
ロッド２：最大横方向長さ（ｄ）２．６５ｍｍ、上部縦方向の長さ１．３２５ｍｍ、下部縦方向の長さ２．０４ｍｍ、全体の縦方向の長さ（ａ）３．３６５ｍｍ
長尺フラッグ３：横方向長さ（ｆ）０．７ｍｍ、縦方向長さ（ｃ）３．０ｍｍ
長尺デッケル４：横方向長さ３．５ｍｍ（ｅ）、縦方向長さ（ｂ）１０．０ｍｍ
An example of a preferable cross-sectional dimension of the outer inner deckle rod 1 of the first embodiment shown in FIG. 3 is as follows.
Rod 2: Maximum lateral length (d) 2.65 mm, upper longitudinal length 1.325 mm, lower longitudinal length 2.04 mm, overall longitudinal length (a) 3.365 mm
Long flag 3: horizontal length (f) 0.7 mm, vertical length (c) 3.0 mm
Long deckel 4: horizontal length 3.5 mm (e), vertical length (b) 10.0 mm
図５は、本発明に係るＴダイの一実施形態を示す正面部分の概略縦断面図であり、図６は図５のデッケル部分の拡大図、図７は図５に示されるＴダイのラウンド部及びリップ部の部分横断面図である。 FIG. 5 is a schematic longitudinal sectional view of a front portion showing an embodiment of a T die according to the present invention, FIG. 6 is an enlarged view of the deckle portion of FIG. 5, and FIG. 7 is a round of the T die shown in FIG. It is a partial cross-sectional view of a part and a lip part.
図５〜７に示されるＴダイでは、押出機５より押し出された溶融樹脂は、Ｔダイ本体６のマニホールド部7、ラウンド部８、リップ部９を経てリップ部出口より樹脂フィルム１０が押し出し成形される。 In the T die shown in FIGS. 5 to 7, the molten resin extruded from the extruder 5 passes through the manifold portion 7, the round portion 8, and the lip portion 9 of the T die body 6, and the resin film 10 is extruded from the lip portion outlet. Is done.
樹脂幅の調整及び微調整は、図６及び７に示されるように、マニホールド部７に設けられた埋め込みデッケル支持棒１１に保持された埋め込みデッケル１２とロングデッケル１３と上述したアウターインナーデッケル棒１をＴダイ６の横方向に移動することによりなされる。アウターインナーデッケル棒１のロッド２は、ラウンド部７下端の傾斜部に嵌合され、また長尺フラッグ３はリップ部８上部からリップ部出口を突出して配置されており、一体としてＴダイ６の横方向に移動する。なお、本発明においては、ロングデッケル１３に代えて、従来より用いられている旗付デッケル棒(図８及び９参照)を用いてもよい。 As shown in FIGS. 6 and 7, the resin width is adjusted and finely adjusted, as shown in FIGS. 6 and 7, the embedded deck 12, the long deck 13 held by the embedded deck support bar 11 provided in the manifold portion 7, and the outer inner deck rod 1 described above. Is moved in the lateral direction of the T die 6. The rod 2 of the outer inner deckle rod 1 is fitted to the inclined portion at the lower end of the round portion 7, and the long flag 3 is disposed so as to project the lip portion outlet from the upper portion of the lip portion 8. Move horizontally. In the present invention, instead of the long deckle 13, a conventionally used deckle rod with flag (see FIGS. 8 and 9) may be used.
このようにアウターインナーデッケル棒１をＴダイ６に設けることによって、次のような作用、効果を奏する。すなわち、アウターインナーデッケル棒１は一定の自重を有し、安定して位置するので、溶融樹脂の圧力によって変位等してぶれることがないため、リップ部９からの樹脂漏れが生じ難い。また、断面が縦長の長尺デッケル４が樹脂幅の調整及び微調整のみならず、放熱板の働きを有するため、漏れた樹脂も冷却され固着樹脂となるため、樹脂フィルムへの樹脂の付着を結果的に防止できる。 By providing the outer inner deckle rod 1 on the T die 6 in this way, the following operations and effects are achieved. That is, since the outer inner deckle rod 1 has a constant weight and is stably positioned, the outer inner deckle rod 1 is not displaced due to the pressure of the molten resin, so that the resin leakage from the lip portion 9 hardly occurs. In addition, since the long deckle 4 having a vertically long cross section not only adjusts and finely adjusts the resin width, but also functions as a heat sink, the leaked resin is cooled and becomes a fixed resin, so that the resin adheres to the resin film. As a result, it can be prevented.
本発明に係るＴダイ用アウターインナーデッケル棒及びこれを用いたＴダイによって、樹脂の種類、性状に拘わらず、リップ部からの樹脂漏れを極力無くすと共に、成形される樹脂フィルムの両端の耳高の発生を防止することができる。従って、樹脂フィルムからの付着樹脂の除去や両端のブロアーを大幅に回避できるため、生産性が著しく向上するのみならず、経済的にも極めて有利である。 The outer inner deckle rod for T-die according to the present invention and the T-die using the same eliminate the resin leakage from the lip as much as possible regardless of the type and properties of the resin, and the height of the ends of the molded resin film. Can be prevented. Accordingly, since the removal of the adhering resin from the resin film and the blowers at both ends can be largely avoided, not only the productivity is remarkably improved but also extremely economically advantageous.
１ アウターインナーデッケル棒
２ ロッド
３ 長尺フラッグ
４ 長尺デッケル
５ 押出機
６ Ｔダイ本体
７ マニホールド部
８ ラウンド部
９ リップ部
１０ 樹脂フィルム
１１ 埋め込みデッケル支持棒
１２ 埋め込みデッケル
１３ ロングデッケル
１４ デッケル棒
１５ 旗付デッケル棒
Ｌ 先端辺
DESCRIPTION OF SYMBOLS 1 Outer inner deckle rod 2 Rod 3 Long flag 4 Long deckle 5 Extruder 6 T die body 7 Manifold portion 8 Round portion 9 Lip portion 10 Resin film 11 Embedded deckle support rod 12 Embedded deckle 13 Long deckle 14 Deckle rod 15 Flag Deckle rod with
L tip side
Claims (8)
該長尺フラッグの長手方向の上面と該ロッドの長手方向の下面とを、それぞれの部材の長手方向の全長に渡って一体化するように連結し、
該長尺フラッグの長手方向の下面と該長尺デッケルの長手方向の上面とを、それぞれの部材の長手方向の全長に渡って一体化するように連結したことを特徴とするＴダイ用アウターインナーデッケル棒。 Consists of a rod made of a columnar body or a cylindrical body, a plate-like elongated flags, cross section and thick plate long deckle a vertical rectangle,
Connecting the upper surface in the longitudinal direction of the long flag and the lower surface in the longitudinal direction of the rod so as to be integrated over the entire length in the longitudinal direction of each member;
An outer inner for a T-die characterized in that the lower surface in the longitudinal direction of the long flag and the upper surface in the longitudinal direction of the long deckle are connected so as to be integrated over the entire length in the longitudinal direction of each member. Deckle rod.
柱状体又は筒状体からなるロッドと、板状の長尺フラッグと、断面が縦長の長方形である厚板状の長尺デッケルとからなり、該長尺フラッグの長手方向の上面と該ロッドの長手方向の下面とを、それぞれの部材の長手方向の全長に渡って一体化するように連結し、
該長尺フラッグの長手方向の下面と該長尺デッケルの長手方向の上面とを、それぞれの部材の長手方向の全長に渡って一体化するように連結したＴダイ用アウターインナーデッケル棒が設けられており、該ロッドは該ラウンド部下端傾斜部に嵌合され、該長尺フラッグはリップ部上部からリップ部出口を突出して配置されていることを特徴とするＴダイ。 A T-die having a manifold part, a round part and a lip part through which a molten resin flows, and a deckle provided in the round part,
A rod made of a columnar body or a cylindrical body, a plate-like elongated flags, cross section consists of a thick plate-like elongated deckle a vertical rectangle, the longitudinal direction of the upper surface and the rod of the long long flag The lower surface in the longitudinal direction is connected so as to be integrated over the entire length in the longitudinal direction of each member,
There is provided an outer inner deckle rod for T-die in which the lower surface in the longitudinal direction of the long flag and the upper surface in the longitudinal direction of the long deckle are connected so as to be integrated over the entire length in the longitudinal direction of each member. The rod is fitted to the round portion lower end inclined portion, and the long flag is arranged to protrude from the upper portion of the lip portion so as to protrude the lip portion outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004103482A JP4308063B2 (en) | 2004-03-31 | 2004-03-31 | T-die and outer-inner deck rod for T-die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004103482A JP4308063B2 (en) | 2004-03-31 | 2004-03-31 | T-die and outer-inner deck rod for T-die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005288738A JP2005288738A (en) | 2005-10-20 |
| JP4308063B2 true JP4308063B2 (en) | 2009-08-05 |
Family
ID=35322246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004103482A Expired - Lifetime JP4308063B2 (en) | 2004-03-31 | 2004-03-31 | T-die and outer-inner deck rod for T-die |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4308063B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101694480B1 (en) * | 2015-06-10 | 2017-01-10 | 김철수 | Two-way symmetric tandem inner bar for coating T-Die |
-
2004
- 2004-03-31 JP JP2004103482A patent/JP4308063B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005288738A (en) | 2005-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7431976B2 (en) | Fastening member for a molded article | |
| JP4308063B2 (en) | T-die and outer-inner deck rod for T-die | |
| KR100787208B1 (en) | A process of manufacture pipe of intensity improvement type anf that device | |
| JP4787132B2 (en) | T-die inner deckle device and T-die using the same | |
| JP4924368B2 (en) | Method and apparatus for manufacturing plastic hollow plate | |
| KR101222548B1 (en) | Producing method and producing apparatus of sheet pasted short yarn | |
| ES2367762T1 (en) | PLASTIC MATERIAL SHEET, TRAY FOR A FOOD PRODUCT OBTAINED FROM SUCH SHEET, PACKING UNDERSTANDING SUCH TRAY AND RELATED PRODUCTION METHOD. | |
| JP2015027802A (en) | Blow molding mold and molding method of resin molding | |
| JP6147613B2 (en) | Rubber molding equipment | |
| EP1726428B1 (en) | Method for manufacturing an extruded alveolar sheet | |
| JP4918408B2 (en) | Bubble sheet body | |
| JP4739399B2 (en) | Hollow member manufacturing method, hollow member and manufacturing apparatus thereof | |
| JP5700335B2 (en) | Thin container with in-mold label | |
| JPH0643089B2 (en) | T-die | |
| JP5297752B2 (en) | Cylindrical film, manufacturing apparatus and manufacturing method thereof | |
| US11072105B2 (en) | Method and apparatus for extruding blown film with a controlled thickness profile | |
| JP4504146B2 (en) | Method and apparatus for manufacturing plastic board | |
| JPH0852783A (en) | T-die | |
| KR20190002474U (en) | Apparatus for polyethylene sheet | |
| CN214920290U (en) | Sand mould molding compaction device | |
| KR102635764B1 (en) | Vinyl fabric manufacturing device | |
| JP4753728B2 (en) | Recycled thermoplastic resin molding equipment | |
| JP2004352778A (en) | Resin film, its manufacturing apparatus and manufacturing method, and polybutylene terephthalate resin film | |
| JP4225180B2 (en) | Plastic foam sheet manufacturing plant | |
| JP4367604B2 (en) | Laminating method for strip members |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20051226 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070307 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090202 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090401 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090427 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090430 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 4308063 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120515 Year of fee payment: 3 |
|
| S631 | Written request for registration of reclamation of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313631 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120515 Year of fee payment: 3 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130515 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130515 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140515 Year of fee payment: 5 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |