JP5595815B2 - Slitter device - Google Patents

Slitter device Download PDF

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JP5595815B2
JP5595815B2 JP2010158789A JP2010158789A JP5595815B2 JP 5595815 B2 JP5595815 B2 JP 5595815B2 JP 2010158789 A JP2010158789 A JP 2010158789A JP 2010158789 A JP2010158789 A JP 2010158789A JP 5595815 B2 JP5595815 B2 JP 5595815B2
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cut
receiving roll
round blade
cutting
blade
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JP2012020356A (en
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幸雄 藤本
英幸 志村
勝昭 相澤
浩司 佐藤
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東洋刃物株式会社
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Description

本発明は、帯状の被切断部材を長さ方向に沿って複数の狭幅帯体に切断するための丸刃を用いたスリッタ装置に関し、特に、被切断部材がベース材と粘着層を有する複合シートを切断するためのスリッタ装置に関する。 The present invention relates to a slitter device using a round blade for cutting a strip-shaped member to be cut into a plurality of narrow strips along the length direction, and in particular, a composite in which the member to be cut has a base material and an adhesive layer. The present invention relates to a slitter device for cutting a sheet.

被切断部材がベース材と粘着層を有する複合シートを切断する丸刃を用いたスリッタ装置の従来技術として、例えば、特許文献1,2や非特許文献1に開示されているものがある。 For example, Patent Documents 1 and 2 and Non-Patent Document 1 disclose conventional slitter apparatuses using a round blade that cuts a composite sheet having a base material and an adhesive layer as a member to be cut.

特許文献1は、例えば図8に示すように片刃の上丸刃10と下丸刃30を用いて、シート材を切断するスリッタ装置で、上丸刃10と下丸刃30で硬度の異なる材料を用いることにより、接着剤が刃物表面に付着したり、刃物自体が粘着力を持つようになることで粘着層が剥離したり切り口が歪んでしまうことを防止することができるとしている。 Patent Document 1 is a slitter device that cuts a sheet material by using, for example, an upper round blade 10 and a lower round blade 30 as shown in FIG. 8, and materials having different hardnesses between the upper round blade 10 and the lower round blade 30. By using the adhesive, it is possible to prevent the adhesive from adhering to the surface of the blade or the blade itself from having an adhesive force to prevent the pressure-sensitive adhesive layer from peeling off or the cut end from being distorted.

次に特許文献2や非特許文献1には、図9に示すように、刃先線の両側にしのぎ面11A、11Bを有する上丸刃11と受けロール60を用いたスコアカット(押し切り)が開示されている。この方法は、切断された被切断部材Wの切断面を上丸刃11のしのぎ面で両側にほぼ均等に押しやりながら切断するので、粘着材(糊)がでてこないようにできるとしている。
特開2009−220268号公報 特開2005−288583号公報 (株)加工技術研究会「コンバーテック」2008年11月号P54 (2)スコアカット(押し切り)
Next, in Patent Document 2 and Non-Patent Document 1, as shown in FIG. 9, score cutting (push-cutting) using the upper round blade 11 having the clamping surfaces 11 </ b> A and 11 </ b> B on both sides of the cutting edge line and the receiving roll 60 is disclosed. Has been. According to this method, the cut surface of the cut member W is cut while being pushed almost evenly on both sides by the marginal surface of the upper round blade 11, so that the adhesive (glue) can be prevented from coming out.
JP 2009-220268 A JP-A-2005-288585 Processing Technology Research Group "Convertech" November 2008 issue P54 (2) Score cut

しかし、特許文献1の場合、図10に示すように、上刃10のしのぎ面10Aで被切断部材Wの切断面の一方を押し下げ、下刃30のしのぎ面30Aで被切断部材Wの切断面の他方を押し上げて切断するため切断面近傍を変形させて折れぐせをつけてしまう場合がある。
また、特許文献2または非特許文献1の場合、被切断部材Wは、隣り合う上刃11の間で、幅方向に逃げ場のない状態で切断されるため、図11に示すように両側の切断面は上刃11のしのぎ面11A、11Bによって左右に押し出される。被切断部材Wは上層W1側が粘着層で受けロール60側の下層W2はベース材となる向きで上丸刃11と受けロール60の間を通して切断されるが、押し出される量が多く変形しやすい上層W1の粘着層に盛り上がり101,102が生じる場合や、図11に示すように上層W1と下層W2の間にズレ103が生じたり、切断面以外でも中間剥離104が生じたりして、被切断部材の切断後の品質を低下させる場合がある。
また、前述の盛り上がり101、102等によって、被切断部材Wの切断面は、上刃11のしのぎ面11A、11Bに押し付けられて擦られるため、粘着材がしのぎ面11A、11Bに付着する。その付着量が増していくと、上刃11から被切断部材Wの切断面に粘着材が付着してしまい、この場合も被切断部材の切断後の品質を低下させてしまうことになる。
However, in the case of Patent Document 1, as shown in FIG. 10, one of the cutting surfaces of the member to be cut W is pushed down by the marginal surface 10 </ b> A of the upper blade 10, and the cutting surface of the member W to be cut by the marginal surface 30 </ b> A of the lower blade 30. Since the other of the two is pushed up to be cut, the vicinity of the cut surface may be deformed to be bent.
Further, in the case of Patent Document 2 or Non-Patent Document 1, the member W to be cut is cut between the adjacent upper blades 11 without any escape in the width direction. The surface is pushed left and right by the marginal surfaces 11A and 11B of the upper blade 11. The member W to be cut is an adhesive layer on the upper layer W1 side and the lower layer W2 on the receiving roll 60 side is cut between the upper round blade 11 and the receiving roll 60 in the direction to be a base material, but the upper layer is easily deformed with a large amount of extrusion. When the bulges 101 and 102 occur in the adhesive layer of W1, or as shown in FIG. 11, a gap 103 occurs between the upper layer W1 and the lower layer W2, or an intermediate peeling 104 occurs other than on the cut surface. The quality after cutting may be reduced.
In addition, the cut surface of the member W to be cut is pressed and rubbed against the shining surfaces 11A and 11B of the upper blade 11 by the above-described bulges 101 and 102, so that the adhesive material adheres to the shining surfaces 11A and 11B. As the amount of adhesion increases, the adhesive material adheres from the upper blade 11 to the cut surface of the member to be cut W, and in this case, the quality after cutting of the member to be cut is also lowered.

本発明は、上記の問題に鑑みてなされた発明で、被切断部材がベース材と粘着層とを有する複合シートを切断しても切断後の被切断部材の切断面の品質を維持できる、スリッタ装置を提供することを目的とする。 The present invention has been made in view of the above problems, and is a slitter capable of maintaining the quality of the cut surface of the cut member after cutting even when the cut member cuts a composite sheet having a base material and an adhesive layer. An object is to provide an apparatus.

上記課題を解決するために本願発明は、刃先線の両側にしのぎ面を有する丸刃と、該丸刃の刃先に対向して受けロールとが設けられて、帯状の被切断部材が長さ方向に沿って狭幅帯体に切断されるスリッタ装置において、前記丸刃は、被切断部材を所定の幅で少なくとも1条以上切断するために該丸刃の軸線方向に所定のピッチ寸法で少なくとも2つ以上設けられ、前記被切断部材は、可撓性及び伸縮性のある少なくとも一つの基材層と少なくとも一つの粘着層とを有する複合シートで構成され前記受けロールに前記基材層側を当接させて切断開始点から切断終了点までの範囲を含む角度で且つ所定の張力で巻き付けられ、前記受けロールには、前記丸刃の刃先先端と対向する位置で外周の直径が最大直径となり前記丸刃の刃先線を中心とした前記ピッチ寸法間における前記受けロールの軸線を含む断面での前記受けロールの外周縁の一方をなぞった長さが前記ピッチ寸法間における前記受けロールの幅寸法に前記被切断部材の厚み分の位置での前記丸刃の厚み寸法を加えた長さ以上になる環状の突起部が形成されていることを特徴とするスリッタ装置とする。 In order to solve the above problems, the present invention provides a round blade having a slack surface on both sides of a cutting edge line, a receiving roll facing the cutting edge of the round blade, and a strip-shaped member to be cut in the length direction. In the slitter apparatus that is cut into a narrow band along the cutting edge , the round blade has at least 2 at a predetermined pitch dimension in the axial direction of the round blade so as to cut at least one strip of the member to be cut with a predetermined width. And the member to be cut is composed of a composite sheet having at least one flexible and stretchable base material layer and at least one adhesive layer, and the base material layer side is applied to the receiving roll. It is wound at an angle including a range from the cutting start point to the cutting end point and with a predetermined tension, and the receiving roll has a maximum outer diameter at a position facing the tip of the round blade. Centered on the edge of the round blade The length of one of the outer peripheral edges of the receiving roll in the cross section including the axis of the receiving roll between the pitch dimensions is a position corresponding to the thickness of the member to be cut to the width dimension of the receiving roll between the pitch dimensions. it is a slitter, characterized in that the protrusions of the ing annular over length plus thickness of the round blade is formed in.

このようにすることで、被切断部材には丸刃のしのぎ面から離れる方向に力が作用する。これにより被切断部材は、その切断面が刃物のしのぎ面に押し出されることが無く切断できるようになるため、切断面の盛り上がりや、ズレ、中間剥離を防止し粘着剤が刃物に付着するのを防止することができるようになり、切断後の被切断部材の切断面の品質を維持することができるようになり、切断面近傍の被切断部材の突起による盛り上がり変形を効果的に抑えることができる。また、被切断物の厚みや切断幅が変わっても突起部の形状を数値的に把握することが出来る。 By doing in this way, force acts on the member to be cut in the direction away from the marginal surface of the round blade. As a result, the member to be cut can be cut without the cut surface being pushed out to the marginal surface of the blade, so that the cut surface is prevented from rising, misalignment, and intermediate peeling, and the adhesive adheres to the blade. it becomes possible to prevent, Ri name so that it can maintain the quality of the cut surface of the cutting member after cutting, it is effectively suppressed swelling deformation due to the projections of the cutting member of the cutting plane near it can. In addition, the shape of the protrusion can be grasped numerically even if the thickness or cutting width of the object to be cut changes.

本発明によれば、被切断材がベース材と粘着層を有する複合シートを切断しても切断後の被切断部材の切断面の品質を維持することができるようになる。 ADVANTAGE OF THE INVENTION According to this invention, even if a to-be-cut material cut | disconnects the composite sheet which has a base material and an adhesion layer, it becomes possible to maintain the quality of the cut surface of the to-be-cut member after cutting.

本発明に係るスリッタ装置の正面図。The front view of the slitter apparatus which concerns on this invention. 図1のB部拡大図。The B section enlarged view of FIG. 図1のA−A断面図。AA sectional drawing of FIG. 図1のB部拡大図。(突起部が円弧の場合の形状を説明するための図)The B section enlarged view of FIG. (Figure for explaining the shape when the protrusion is an arc) 本発明に係るスリッタ装置の別の実施形態を示す正面図。The front view which shows another embodiment of the slitter apparatus which concerns on this invention. 本発明に係るスリッタ装置の別の実施形態を示す正面図。The front view which shows another embodiment of the slitter apparatus which concerns on this invention. 本発明に係るスリッタ装置の別の実施形態を示す正面図。The front view which shows another embodiment of the slitter apparatus which concerns on this invention. 従来技術のスリッタ装置の構成を説明するための正面図。The front view for demonstrating the structure of the slitter apparatus of a prior art. 従来技術のスリッタ装置の構成を説明するための正面図。The front view for demonstrating the structure of the slitter apparatus of a prior art. 図8のC部拡大図。(切断面の折れ曲がりを説明するための図)The C section enlarged view of FIG. (Figure for explaining bending of cut surface) 図9のD部拡大図。(粘着層の盛り上がりを説明するための図)The D section enlarged view of FIG. (Figure for explaining the rise of the adhesive layer) 図9のD部拡大図。(粘着層のズレ、中間剥離を説明するための図)The D section enlarged view of FIG. (Figure for explaining gap of adhesive layer, intermediate peeling)

以下、本発明の実施形態について図1乃至図4を用いて説明してゆく。
図1に示すように、第1回転軸2の一方にフランジ部2Aが形成され、被切断部材Wの切断幅V、軸線方向の切断位置に応じて、複数の丸刃3と、丸刃3を挟むようにスペーサ4A、4B、4Cとが装着されている。第1回転軸2の他方にはナット8を装着する雄ねじ2Bが形成され、ナット8を締め付けて、丸刃3とスペーサ4A、4B、4Cを第1回転軸2に固定している。丸刃3は刃先線の両側にしのぎ面3A,3Bを有し、要求される被切断部材Wの切断幅の精度に応じて、丸刃3の厚さ寸法精度、スペーサ4A、4B、4Cの幅寸法精度や振れ精度をミクロンオーダーまで仕上げるようにしている。
Embodiments of the present invention will be described below with reference to FIGS.
As shown in FIG. 1, a flange portion 2 </ b> A is formed on one side of the first rotating shaft 2, and a plurality of round blades 3 and round blades 3 are formed according to the cutting width V of the member to be cut W and the cutting position in the axial direction. Spacers 4A, 4B, and 4C are mounted so as to sandwich the. The other end of the first rotating shaft 2 is formed with a male screw 2B to which a nut 8 is attached. The nut 8 is tightened to fix the round blade 3 and the spacers 4A, 4B, 4C to the first rotating shaft 2. The round blade 3 has clearance surfaces 3A and 3B on both sides of the cutting edge line, and the thickness dimensional accuracy of the round blade 3 and the spacers 4A, 4B and 4C The width dimension accuracy and runout accuracy are finished to the micron order.

第2回転軸5も第1回転軸2と同様に一方にフランジ部5Aが形成され、被切断部材Wの切断幅、軸線方向の切断位置に応じて、複数の受けロール6と、受けロール6を挟むようにスペーサ7A、7B、7Cが装着されている。第2回転軸5の他方にはナット8を装着する雄ねじ5Bが形成され、ナット8を締め付けて、受けロール6とスペーサ7A、7B、7Cを第2回転軸5に固定している。 Similarly to the first rotating shaft 2, the second rotating shaft 5 has a flange portion 5 </ b> A on one side, and a plurality of receiving rolls 6 and receiving rolls 6 according to the cutting width of the member to be cut W and the cutting position in the axial direction. Spacers 7A, 7B, and 7C are attached so as to sandwich them. On the other side of the second rotating shaft 5, a male screw 5 </ b> B for attaching a nut 8 is formed. The nut 8 is tightened to fix the receiving roll 6 and the spacers 7 </ b> A, 7 </ b> B, 7 </ b> C to the second rotating shaft 5.

受けロール6には、丸刃3の刃先先端と対向する位置での外周の直径が最大として、その両側が滑らかな傾斜を有する環状の突起部が形成されている。この突起部として、本実施例では円弧を用いた。 The receiving roll 6 is formed with an annular projection having a maximum outer diameter at a position facing the tip of the round blade 3 and having a smooth slope on both sides. In this embodiment, an arc is used as the protrusion.

丸刃3の刃先先端が当接する受けロール6の材質は、切断する用途によって異なるが、一般的にはプラスチックや弾性ゴム等を用いて丸刃3の刃先先端がその外周面に当接して食い込んでも刃折れ、刃欠け等が起こらず、また刃先先端が磨耗しづらい材質を用いている。 The material of the receiving roll 6 with which the tip of the round blade 3 abuts varies depending on the application to be cut, but generally the tip of the round blade 3 abuts against the outer peripheral surface using plastic or elastic rubber. However, it is made of a material that does not break the blade or chip, and the tip of the blade is difficult to wear.

被切断部材Wは、例えば図2に示すように上層W1と下層W1の2層で構成され、受けロール6の外周側に面する下層W2の材質は、紙、プラスチックフィルム、金属箔等の可撓性や伸縮性のあるベース材で、上層W1は粘着材が塗布された粘着層で構成されている。また、粘着層の上にプラスチック製のカバーフィルムが貼り付けてあるものもある。 The member to be cut W is composed of, for example, two layers, an upper layer W1 and a lower layer W1, as shown in FIG. 2. The material of the lower layer W2 facing the outer peripheral side of the receiving roll 6 can be paper, plastic film, metal foil or the like. The upper layer W1 is composed of an adhesive layer to which an adhesive material is applied. In some cases, a plastic cover film is stuck on the adhesive layer.

被切断部材Wは、図3に示すように切断開始点S1から切断終了点S2の範囲を含んで受けロール6の外周に所定の巻き付け角度θで巻き付けられ、切断後は図示しない巻き取りロールに巻き取られる。また、被切断部材Wには、巻き取りロールによって巻き取り方向に所定の大きさの張力T1が作用している。 As shown in FIG. 3, the member W to be cut is wound around the outer periphery of the receiving roll 6 at a predetermined winding angle θ including the range from the cutting start point S1 to the cutting end point S2, and after cutting, the wound member W is wound around a winding roll (not shown). It is wound up. Further, a tension T1 having a predetermined magnitude acts on the member W to be cut in the winding direction by a winding roll.

また、巻き取り方向の張力と受けロール6の円弧状の突起部によって、切断前の被切断部材Wには、前記の巻き取り方向の張力以外に受けロール6の円弧状外周の最大直径の位置を中心に幅方向の左右に張力T2が作用する。これにより被切断部材Wは、その可撓性や伸縮性に応じて、図2に示すように、受けロール6の円弧状外周の最大直径の位置を中心として円弧Rに沿うようにして切断される。切断後は幅方向の張力T2から開放され、巻き取り方向に作用する張力T1によって受けロールの最小直径側に沿うように巻き付くようになる。これにより、被切断部材Wの切断面は丸刃3のしのぎ面3A、3Bから離れるようにして巻き取られることになる。 Further, due to the tension in the winding direction and the arcuate protrusion of the receiving roll 6, the to-be-cut member W before cutting is positioned at the maximum diameter of the arcuate outer periphery of the receiving roll 6 in addition to the tension in the winding direction. The tension T2 acts on the left and right in the width direction with the center at the center. As a result, the member W to be cut is cut along the arc R around the position of the maximum diameter of the arc-shaped outer periphery of the receiving roll 6 as shown in FIG. 2 according to its flexibility and stretchability. The After cutting, it is released from the tension T2 in the width direction, and is wound around the minimum diameter side of the receiving roll by the tension T1 acting in the winding direction. Thereby, the cut surface of the member W to be cut is wound up away from the marginal surfaces 3A and 3B of the round blade 3.

以下に、突起部の具体的な寸法を説明する。
被切断部材Wの厚さはt=1.0mmを使用し、丸刃は、厚さ2mm、外径80mm、刃角α=30°とし、受けロールは、外周を半径Rの円弧の突起部として最大外径80mm、幅寸法S=20mmとした。尚、切断幅V(=上刃のピッチ寸法)=30mmとして、スペーサ4Bの幅は28mm、スペーサ7Bの幅は10mmとした。
また、この場合、切断開始点S1と受けロール6の中心点とを結んだ直線と、切断終了点S2と受けロール6の中心点とを結んだ直線がなす角度γはCAD等で求めることができ、γ=17.8°となるので、巻き付け角度θは切断開始点S1から切断終了点S2の範囲を含んだ巻き付け角度として、その角度をθ=30°とした。
Below, the specific dimension of a projection part is demonstrated.
The thickness of the member W to be cut is t = 1.0 mm, the round blade is 2 mm in thickness, the outer diameter is 80 mm, the blade angle α is 30 °, and the receiving roll is an arc-shaped projection having a radius R on the outer periphery. The maximum outer diameter is 80 mm and the width dimension S is 20 mm. The cutting width V (= pitch dimension of the upper blade) = 30 mm, the width of the spacer 4B was 28 mm, and the width of the spacer 7B was 10 mm.
In this case, an angle γ formed by a straight line connecting the cutting start point S1 and the center point of the receiving roll 6 and a straight line connecting the cutting end point S2 and the center point of the receiving roll 6 can be obtained by CAD or the like. Since γ = 17.8 °, the winding angle θ is a winding angle including the range from the cutting start point S1 to the cutting end point S2, and the angle is θ = 30 °.

この場合、丸刃3の刃先が被切断部材Wを切断して受けロール6の外周面に達した時の被切断部材Wの外周面位置での丸刃3の幅寸法は、計算式(1)により求められる。
U=2t×tan(α/2) ・・・(1)
計算結果はU=0.54mmとなる。この寸法Uは被切断部材Wが丸刃の刃先によって軸線方向に押し出される最大寸法になる。よって、半径Rの円弧の突起部が設けられた受けロール6は、軸線を含む断面での外周縁の一方をなぞった長さNが、ピッチ寸法Vの間の受けロール6の幅寸法Sに前記幅寸法Uを加えた寸法は20+0.54=20.54mm以上になるように形成されていればよい。
In this case, when the cutting edge of the round blade 3 cuts the workpiece W and reaches the outer circumferential surface of the receiving roll 6, the width dimension of the round blade 3 at the outer circumferential surface position of the workpiece W is calculated by the formula (1 ).
U = 2t × tan (α / 2) (1)
The calculation result is U = 0.54 mm. This dimension U is the maximum dimension in which the member to be cut W is extruded in the axial direction by the cutting edge of a round blade. Therefore, the length N of the receiving roll 6 provided with the arc-shaped protrusions of the radius R, the length N of which traces one of the outer peripheral edges in the cross section including the axis, is the width dimension S of the receiving roll 6 between the pitch dimensions V. The dimension including the width dimension U may be formed to be 20 + 0.54 = 20.54 mm or more.

尚、この場合の受けロールの円弧の半径Rは図4に示すように円弧の中心角β°として以下の計算式(2)、(3)により導き出すことが出来る。
Rsin(β/2)=S/2 ・・・(2)
N=2πR×(β/360)=S+U ・・・(3)
計算結果はR=26mmとなり、β=46°となる。
また、この時の円弧の突起の高さHは以下の(4)により導き出すことが出来る。
H=R−Rcos(β/2) ・・・(4)
計算結果は、H=2mmとなる。
尚、この場合、スペーサ7A,7B,7Cの外径は受けロール最大外径80mmから2×H=4mm引いた76mm以下にしておけばよい。
In this case, the radius R of the arc of the receiving roll can be derived from the following calculation formulas (2) and (3) as the arc center angle β as shown in FIG.
Rsin (β / 2) = S / 2 (2)
N = 2πR × (β / 360) = S + U (3)
The calculation result is R = 26 mm and β = 46 °.
Further, the height H of the arc projection at this time can be derived from the following (4).
H = R-Rcos (β / 2) (4)
The calculation result is H = 2 mm.
In this case, the outer diameters of the spacers 7A, 7B, and 7C may be 76 mm or less obtained by subtracting 2 × H = 4 mm from the maximum receiving roll diameter of 80 mm.

これにより、被切断部材Wは、その切断面が刃物のしのぎ面に押し出されることが無く切断できるようになり、切断面の盛り上がりや、ズレ、中間剥離を防止し、粘着剤が刃物に付着するのを防止することができるので、切断後の被切断部材の切断面の品質を維持することができるようになる。また、突起部は前述のように突起の高さが小さいなだらかな曲線であることから突起の押し上げによる被切断部材の変形を防止することができる。 As a result, the member to be cut W can be cut without the cut surface being pushed out to the marginal surface of the blade, preventing the cut surface from rising, shifting, and intermediate peeling, and the adhesive adheres to the blade. Therefore, the quality of the cut surface of the member to be cut after cutting can be maintained. In addition, since the protrusion is a gentle curve with a small protrusion height as described above, deformation of the member to be cut due to the protrusion being pushed up can be prevented.

また、本実施形態では、受けロール間にスペーサを設けたが、図5に示すように切断幅と同じ幅の受けロールとすることで、スペーサを省いた形態でも構わないし、図6に示すように一体の受けロールとすることでもよい。また、本実施形態では、受けロールの突起を円弧とした場合で記述したが、これに限るものではなく、図7に示すように、なだらかな傾斜を有する台形状の突起部とする場合も同様の効果を得ることができる。 In this embodiment, the spacer is provided between the receiving rolls. However, as shown in FIG. 5, the receiving roll having the same width as the cutting width may be used, and the spacer may be omitted, as shown in FIG. It is also possible to use a receiving roll that is integral with the first. In the present embodiment, the projection of the receiving roll is described as a circular arc. However, the present invention is not limited to this, and the same applies to a case where a trapezoidal projection having a gentle slope is provided as shown in FIG. The effect of can be obtained.

1 スリッタ装置
2 第1回転軸
3 上丸刃
3A、3B 上丸刃のしのぎ面
4A,4B,4C スペーサ
5 第2回転軸
6,6A、60 受けロール
7A,7B,7C スペーサ
8 ナット
10,11 上丸刃
10A,11A,11B 上丸刃のしのぎ面
20A,20B,20C スペーサ
30 下丸刃
30A, 下丸刃のしのぎ面
40A,40B,40C スペーサ
60 受けロール
101,102 盛り上がり
103 ズレ
104 中間剥離
W 被切断部材
W1 上層(粘着層)
W2 下層(ベース材)
S1 切断開始点
S2 切断終了点
DESCRIPTION OF SYMBOLS 1 Slitter apparatus 2 1st rotating shaft 3 Upper round blade 3A, 3B Interlocking surface of upper round blade 4A, 4B, 4C Spacer 5 2nd rotating shaft 6, 6A, 60 Receiving roll 7A, 7B, 7C Spacer 8 Nut 10, 11 Upper round blade 10A, 11A, 11B Upper round blade margin surface 20A, 20B, 20C Spacer 30 Lower round blade 30A, Lower round blade margin surface
40A, 40B, 40C Spacer 60 Receiving roll 101, 102 Swell 103 Displacement 104 Intermediate peeling W Cut member W1 Upper layer (adhesive layer)
W2 Lower layer (base material)
S1 Cutting start point S2 Cutting end point

Claims (1)

刃先線の両側にしのぎ面を有する丸刃と、該丸刃の刃先に対向して受けロールとが設けられて、
帯状の被切断部材が長さ方向に沿って狭幅帯体に切断されるスリッタ装置において、
前記丸刃は、被切断部材を所定の幅で少なくとも1条以上切断するために該丸刃の軸線方向に所定のピッチ寸法で少なくとも2つ以上設けられ、
前記被切断部材は、可撓性及び伸縮性のある少なくとも一つの基材層と少なくとも一つの粘着層とを有する複合シートで構成され前記受けロールに前記基材層側を当接させて切断開始点から切断終了点までの範囲を含む角度で且つ所定の張力で巻き付けられ、
前記受けロールには、前記丸刃の刃先先端と対向する位置で外周の直径が最大直径となり前記丸刃の刃先線を中心とした前記ピッチ寸法間における前記受けロールの軸線を含む断面での前記受けロールの外周縁の一方をなぞった長さが前記ピッチ寸法間における前記受けロールの幅寸法に前記被切断部材の厚み分の位置での前記丸刃の厚み寸法を加えた長さ以上になる環状の突起部が形成されていることを特徴とするスリッタ装置。
A round blade having a slack surface on both sides of the cutting edge line, and a receiving roll facing the cutting edge of the round blade ,
In the slitter device in which the band-shaped member to be cut is cut into a narrow band along the length direction,
The round blade is provided with at least two or more with a predetermined pitch dimension in the axial direction of the round blade in order to cut at least one strip of a member to be cut with a predetermined width,
The member to be cut is composed of a composite sheet having at least one flexible and stretchable base material layer and at least one adhesive layer, and starts cutting by bringing the base material layer side into contact with the receiving roll. Wound at an angle including a range from the point to the end point of cutting and with a predetermined tension ,
In cross-section in the receiving roll, including the axis of the receiving roll between the pitch dimension the diameter of the outer periphery at the position facing the cutting tip of the round blade is centered on the cutting edge line of the circular blade Ri is max diameter The length of one of the outer peripheral edges of the receiving roll is not less than the length obtained by adding the thickness dimension of the round blade at the position corresponding to the thickness of the member to be cut to the width dimension of the receiving roll between the pitch dimensions. slitter apparatus characterized by protrusions ing annularly is formed.
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JP2019123061A (en) * 2018-01-18 2019-07-25 大阪シーリング印刷株式会社 Label continuous body, rotary die-cutting device and cutting method using the same

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CN113557099A (en) * 2019-03-12 2021-10-26 日本制铁株式会社 Cutting method

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US3677122A (en) * 1971-03-23 1972-07-18 Lord Corp Slitting apparatus having independent resiliently supported anvil means
JPH09109090A (en) * 1995-10-23 1997-04-28 Niwa Tekkosho:Kk Slitter
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JP2019123061A (en) * 2018-01-18 2019-07-25 大阪シーリング印刷株式会社 Label continuous body, rotary die-cutting device and cutting method using the same
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