JP2011161617A - Punching device - Google Patents

Punching device Download PDF

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JP2011161617A
JP2011161617A JP2010030367A JP2010030367A JP2011161617A JP 2011161617 A JP2011161617 A JP 2011161617A JP 2010030367 A JP2010030367 A JP 2010030367A JP 2010030367 A JP2010030367 A JP 2010030367A JP 2011161617 A JP2011161617 A JP 2011161617A
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sheet
belt
duct
strip
reel
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JP5517155B2 (en
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Takashi Mochizuki
貴司 望月
Masanori Mochizuki
正典 望月
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ISEL Co Ltd
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ISEL Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a punching device capable of feeding a sheet smoothly without any possibility of generating a feeding error of a strip-like sheet to the most even in feeding at a high speed, and not attaching a foreign object on the surface of the strip-like sheet nor cutting the strip-like sheet. <P>SOLUTION: The punching device 1 is constructed so that a number of guide rollers 35, 36 disposed vertically in the vicinity of an entrance side inner wall and in the vicinity of an exit side inner wall of the strip-like sheet S are arranged respectively inside a duct 31 of a feed adjusting unit 3 for the strip-like sheet S and that the strip-like sheet S of U-shape does not contact the duct 31. Also, the punching device 1 includes a feed control unit 8 controlling the rotational speed of a motor drive source 22 according to a winding diameter of a reel 21 detected by a winding diameter detecting means 23 matching the feeding speed of the strip-like sheet S fed into a press machine 4 to continuously feed the strip-like sheet S and to control height variation of the lower end of the U-shape of the strip-like sheet S detected by a height detecting means 37 so as to be maintained within a minute range. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、ワインダーによりリールから繰り出す帯状シートを間欠搬送手段により間欠送りしてプレス機で帯状シートをプレス加工する打抜装置に関する。   The present invention relates to a punching device that intermittently feeds a belt-shaped sheet fed from a reel by a winder and presses the belt-shaped sheet with a press machine.

従来、この種の打抜装置として、図3に示すように、金型141を備えたプレス機104の出口側に上下一対の送りローラ(間欠搬送手段)105を設け、この送りローラ105により帯状シートSをプレス機104に間欠送りさせる。プレス機104の上流側には帯状シートSの送り調節部103が配設されている。この送り調節部103は、ワインダー102により断続的にリール121から繰り出される帯状シートSを架け渡す前後の固定ローラ133,134と、前後の固定ローラ133,134間に帯状シートSをU字状に垂らすように帯状シートS上に載せたダンサローラ131とを備える。そして、送りローラ105により帯状シートSが間欠送りされて行き、送り調節部103での帯状シートSのU字状の下端が所定高さまで上昇すると、ワインダー102より帯状シートSが一定量繰り出される。すると、ダンサローラ131の重量により帯状シートSのU字状の下端が所定高さまで下降する。ここで、帯状シートSのU字状の下端は、概ね300mm程度の落差で上下動する。このようにして、送り調節部103によってワインダー102による帯状シートSの断続的な繰り出しと送りローラ105による帯状シートSの間欠送りとを調節して、プレス機104に帯状シートSが円滑に送り込まれるようにしている。なお、プレス機104の下流側には、前後の固定ローラ163,164及びダンサローラ161を備えた送り調節部106、プレス加工されて製品となった帯状シートSの巻取りリール171を備えたリワインダー107が配設されている。   Conventionally, as a punching apparatus of this type, as shown in FIG. 3, a pair of upper and lower feed rollers (intermittent conveying means) 105 is provided on the outlet side of a press machine 104 having a die 141, and the belt is formed by the feed roller 105. The sheet S is intermittently fed to the press machine 104. On the upstream side of the press machine 104, a feed adjusting unit 103 for the belt-like sheet S is disposed. The feed adjusting unit 103 forms the belt-like sheet S in a U-shape between the front and rear fixed rollers 133 and 134 and the front and rear fixed rollers 133 and 134, and the belt-like sheet S that is intermittently drawn from the reel 121 by the winder 102. And a dancer roller 131 placed on the belt-like sheet S so as to hang down. Then, the belt-like sheet S is intermittently fed by the feed roller 105, and when the U-shaped lower end of the belt-like sheet S in the feed adjusting unit 103 rises to a predetermined height, the belt-like sheet S is fed out from the winder 102 by a certain amount. Then, the U-shaped lower end of the belt-like sheet S is lowered to a predetermined height due to the weight of the dancer roller 131. Here, the U-shaped lower end of the belt-like sheet S moves up and down with a drop of about 300 mm. In this way, the feed adjusting unit 103 adjusts the intermittent feeding of the belt-like sheet S by the winder 102 and the intermittent feeding of the belt-like sheet S by the feed roller 105, and the belt-like sheet S is smoothly fed into the press 104. I am doing so. On the downstream side of the press 104, a rewinder 107 including a feed adjusting unit 106 including front and rear fixed rollers 163 and 164 and a dancer roller 161, and a take-up reel 171 of the belt-like sheet S that has been pressed into a product. Is arranged.

特開2006−192513号公報JP 2006-192513 A 特開2005−88138号公報JP 2005-88138 A

しかしながら、従来の打抜装置では、高速プレス加工を行うために帯状シートSを高速送りすると、送り調節部103で帯状シートSのU字状の下端が急上昇してダンサローラ131のはね上がりが起こり、シート送り量に誤差を生じさせる問題があった。例えば、シート送り停止時に、ダンサローラ131のはね上がりと帯状シートSのU字状下端の急上昇によって帯状シートSの移動の慣性が大きくなると共に送りローラ105の回転の慣性とも相まって帯状シートSの送り過ぎを生じさせたり、また、はね上がったダンサローラ131の着地により帯状シートSが引き戻されて送り不足を生じさせる。また、送りローラ105の圧接やダンサローラ131,161のはね上がりに伴う帯状シートSのばたつきにより帯状シートSの表面にホコリ等の異物を付着させたり、送りローラ105で急速にシート送りを始めると帯状シートSのU字状下端の急上昇と共にダンサローラ131の重さとも相まって帯状シートSに大きなテンションがかかり帯状シートSを破断させるおそれもあった。   However, in the conventional punching apparatus, when the belt-like sheet S is fed at a high speed to perform high-speed pressing, the U-shaped lower end of the belt-like sheet S is rapidly raised by the feed adjusting unit 103, and the dancer roller 131 is bounced up. There was a problem that caused an error in the feed amount. For example, when the sheet feeding is stopped, the dancer roller 131 bounces up and the U-shaped lower end of the belt-like sheet S suddenly rises, so that the inertia of the movement of the belt-like sheet S is increased and the belt roller S is excessively fed together with the rotation inertia of the feeding roller 105. In addition, the belt-like sheet S is pulled back by the landing of the dancer roller 131 that has been caused to rise, resulting in insufficient feeding. Further, when the belt-like sheet S fluctuates due to the pressure contact of the feeding roller 105 or the dancer rollers 131 and 161, the dust-like material adheres to the surface of the belt-like sheet S. Along with the sudden rise of the U-shaped lower end of S, there is also a risk that the belt-like sheet S may be broken due to a large tension due to the weight of the dancer roller 131.

本発明は、上記事情に鑑みてなされたものであり、高速送り時であっても、帯状シートの送り誤差を極力生じさせることがなくスムーズなシート送りを可能とし、且つ帯状シートの表面に異物を付着させたり帯状シートを破断させることもない打抜装置を提供することを課題とする。   The present invention has been made in view of the above circumstances, and enables smooth sheet feeding without causing a belt sheet feeding error as much as possible even during high-speed feeding, and foreign matter on the surface of the belt sheet. It is an object of the present invention to provide a punching apparatus that does not attach a material or break a belt-like sheet.

本発明に係る打抜装置は、
ワインダーによりリールから繰り出す帯状シートを間欠搬送手段により間欠送りしてプレス機で帯状シートをプレス加工する打抜装置であって、
ワインダーとプレス機との間に配設する帯状シートの送り調節部は、箱筒型のダクトと、リールから繰り出す帯状シートをダクト上からダクト内にU字状に垂れ下がるように吸引するバキュームとを備え、
ダクト内には、帯状シートの入口側内壁付近と出口側内壁付近とのそれぞれに上下に配設する多数の案内ローラを設けてU字状の帯状シートがダクトに接触しないように構成し、
ダクトには、帯状シートのU字状の下端の高さを検知する高さ検知手段を備え、
ワインダーは、リールを連続回転させるモータ駆動源と、リールの巻径を検知する巻径検知手段とを備え、
プレス機内への帯状シートの送り速度に合せて、巻径検知手段で検知されるリールの巻径よりモータ駆動源の回転数を制御して帯状シートを連続的に繰り出し、高さ検知手段で検知される帯状シートのU字状の下端の高さ変動が微小範囲内に保持されるように制御する繰り出し制御部を備える。
The punching device according to the present invention is:
A punching device that intermittently feeds a belt-like sheet fed from a reel by a winder and presses the belt-like sheet with a press machine,
The belt-like sheet feed adjusting unit disposed between the winder and the press includes a box-shaped duct and a vacuum for sucking the belt-like sheet fed from the reel so as to hang in a U-shape from the duct into the duct. Prepared,
In the duct, a number of guide rollers are provided above and below the inlet-side inner wall and the outlet-side inner wall of the belt-like sheet so that the U-shaped belt-like sheet does not contact the duct.
The duct is provided with a height detection means for detecting the height of the U-shaped lower end of the belt-like sheet,
The winder includes a motor drive source for continuously rotating the reel, and a winding diameter detecting means for detecting the winding diameter of the reel,
The belt sheet is continuously fed out by controlling the number of revolutions of the motor drive source from the reel winding diameter detected by the winding diameter detecting means according to the feeding speed of the belt sheet into the press machine, and detected by the height detecting means. A feeding control unit for controlling the fluctuation of the height of the U-shaped lower end of the belt-like sheet to be held within a minute range.

上記構成により、ダクト内にU字状に垂れ下がった帯状シートは、多数の案内ローラによってガイドされるので、帯状シートがバキュームの吸引によってばたついたりダクトに静電付着することもない。従って、帯状シートの表面への異物の付着を抑制することができる。   With the above configuration, the belt-like sheet that hangs down in a U-shape in the duct is guided by a large number of guide rollers, so that the belt-like sheet does not flutter by vacuum suction or adhere to the duct electrostatically. Accordingly, it is possible to suppress the adhesion of foreign matter to the surface of the belt-like sheet.

また、繰り出し制御部によりダクト内における帯状シートのU字状の下端の高さ変動が微小範囲内に保持されるので、高速プレス加工を行っても帯状シートのU字状下端が急上昇するのを防止することができる。これにより、シート送り停止時に帯状シートの移動の慣性が大きくなるのを抑制することができる。しかも、帯状シートにテンションを掛けるダンサローラも存在しない。従って、高速プレス加工を行うために帯状シートを高速送りしても、シート送り量に誤差を生じさせることなくスムーズなシート送りを行うことができる。また、帯状シートに大きなテンションが掛かって帯状シートを破断させることもない。   In addition, since the fluctuation of the height of the U-shaped lower end of the belt-like sheet in the duct is held within a very small range by the feeding control unit, the U-shaped lower end of the belt-like sheet rapidly rises even when high-speed pressing is performed. Can be prevented. Thereby, it is possible to suppress an increase in the inertia of the movement of the belt-like sheet when the sheet feeding is stopped. Moreover, there is no dancer roller that applies tension to the belt-like sheet. Therefore, even if the belt-like sheet is fed at a high speed in order to perform high-speed pressing, the sheet can be smoothly fed without causing an error in the sheet feeding amount. Moreover, a large tension is not applied to the belt-like sheet, and the belt-like sheet is not broken.

上記間欠搬送手段は、プレス機の入口側又は出口側にリニアモータ駆動の2台のクランプ機構付スライダーを前後に備え、
各スライダーは、帯状シートの幅方向の両端をクランプして帯状シートを間欠送りさせるように構成し、一方のスライダーが帯状シートをクランプして間欠送りしている間に、他方のスライダーは帯状シートのクランプを開放して原点位置まで復帰移動するように構成するのが望ましい。
The intermittent conveying means includes two sliders with a clamp mechanism that are driven by a linear motor on the inlet side or the outlet side of the press machine.
Each slider is configured to clamp both ends of the belt-like sheet in the width direction and intermittently feed the belt-like sheet. While one slider clamps the belt-like sheet and intermittently feeds, the other slider is a belt-like sheet. It is desirable that the clamp is opened to return to the origin position.

これにより、帯状シートの幅方向の両端をクランプして帯状シートを間欠送りさせるスライダーを用いても、プレス機での高速プレス加工に追従して帯状シートを高速送りすることができる。
また、従来例として上述した送りローラは、帯状シートの挟持部分の全部にロール面が接触されるが、上記クランプ機構は、帯状シートの挟持部分(帯状シートの幅方向の両端)の一部をクランプするだけなので、帯状シートとの接触面積が非常に少なく、それゆえに製品となる帯状シート表面への異物の付着を抑制することができる。
Thereby, even if it uses the slider which clamps the both ends of the width direction of a strip | belt-shaped sheet, and feeds a strip | belt-shaped sheet intermittently, a strip | belt-shaped sheet | seat can be fed at high speed following high-speed press processing with a press.
In addition, in the feed roller described above as a conventional example, the roll surface is brought into contact with the entire sandwiched portion of the belt-like sheet, but the clamping mechanism is configured so that a part of the sandwiching portion of the belt-like sheet (both ends in the width direction of the belt-like sheet) Since only the clamping is performed, the contact area with the belt-like sheet is very small, and hence the adhesion of foreign matter to the surface of the belt-like sheet as a product can be suppressed.

以上のように、本発明に係る打抜装置によれば、帯状シートを高速送りしても、帯状シートの送り誤差を生じさせることがなくスムーズなシート送りを可能とし、且つ帯状シートの表面に異物を付着させたり帯状シートを破断させることもない。従って、生産性を大幅に向上することができ、且つ高品質な帯状シート製品を提供することができる。   As described above, according to the punching apparatus according to the present invention, even if the belt-like sheet is fed at a high speed, the belt-like sheet can be fed smoothly without causing a feeding error of the belt-like sheet, and on the surface of the belt-like sheet. There is no foreign matter attached or the belt-like sheet is broken. Therefore, productivity can be greatly improved and a high-quality strip-shaped sheet product can be provided.

実施形態による打抜装置の構成を示す側面図である。It is a side view which shows the structure of the punching apparatus by embodiment. 実施形態による打抜装置の構成を示す上面図である。It is a top view which shows the structure of the punching apparatus by embodiment. 従来の打抜装置の構成を示す模式図である。It is a schematic diagram which shows the structure of the conventional punching apparatus.

図1、図2に示すように、実施形態による打抜装置1は、ワインダー2によりリール21から繰り出す帯状シートSを間欠搬送手段5により間欠送りしてプレス機4でプレス加工し、このプレス加工により製品となった帯状シートSをリワインダー7で巻き取るようにする装置である。また、ワインダー2とプレス機4との間には帯状シートSの送り調節部となるバキュームテンショナー3が配設されており、また、間欠搬送手段5とリワインダー7との間にも第2バキュームテンショナー6が配設されている。ここで、帯状シートSは、例えば、太陽電池の電極や電池のセパレータ等に使用される金属箔フィルム、液晶用パネル等に使用される樹脂フィルム等の薄膜(例えば、厚さ1mm以下)のものが挙げられる。   As shown in FIGS. 1 and 2, the punching device 1 according to the embodiment intermittently feeds a belt-like sheet S fed from a reel 21 by a winder 2 by an intermittent conveying means 5 and presses it with a press machine 4. Thus, the belt-like sheet S that has become a product is wound up by the rewinder 7. Further, a vacuum tensioner 3 serving as a feeding adjustment unit for the belt-like sheet S is disposed between the winder 2 and the press machine 4, and a second vacuum tensioner is also provided between the intermittent conveying means 5 and the rewinder 7. 6 is disposed. Here, the belt-like sheet S is a thin film (for example, 1 mm or less in thickness) such as a metal foil film used for an electrode of a solar cell, a battery separator, a resin film used for a liquid crystal panel, or the like. Is mentioned.

間欠搬送手段5は、プレス機4の出口側に配設されて帯状シートSをプレス機4に間欠送りするものであり、リニアモータ駆動の2台のクランプ機構付スライダー51,52を前後に配設したものからなる。各スライダー51,52は、シート送り方向に沿って配置する2列のレール55上の前後に設置され、各スライダー51,52の両端のそれぞれにクランプ機構53,54が設けられている。各スライダー51,52には、電磁コイルを備え、また、2列のレール55間に永久磁石56が設置されており、これによって、スライダー51,52の電磁コイルに励磁電流を印加することでスライダー51,52がレール55上を走行するリニアモータ駆動となっている。スライダー51,52に設けるクランプ機構53,54は、帯状シートSの幅方向端部をクランプする爪部と、この爪部をクランプ作動及びクランプ開放作動させる駆動源とを備える。そして、各スライダー51,52は、帯状シートSの幅方向の両端をクランプ機構53,54によりクランプして帯状シートSを間欠送りさせるように構成し、一方のスライダー51(又は52)が帯状シートSをクランプして間欠送りしている間に、他方のスライダー52(又は51)は帯状シートSのクランプを開放して原点位置まで復帰移動するように構成する。すなわち、2台のスライダー51,52は、同一のレール55上で同期して対向移動する。   The intermittent conveying means 5 is disposed on the outlet side of the press machine 4 and intermittently feeds the belt-like sheet S to the press machine 4. Two linear motor driven sliders 51 and 52 are arranged forward and backward. It consists of the set up. The sliders 51 and 52 are installed on the front and rear of the two rows of rails 55 arranged along the sheet feeding direction, and clamp mechanisms 53 and 54 are provided at both ends of the sliders 51 and 52, respectively. Each of the sliders 51 and 52 is provided with an electromagnetic coil, and a permanent magnet 56 is installed between the two rows of rails 55, thereby applying an exciting current to the electromagnetic coils of the sliders 51 and 52. 51 and 52 are linear motor drives that run on the rail 55. The clamp mechanisms 53 and 54 provided on the sliders 51 and 52 include a claw portion that clamps an end portion in the width direction of the belt-like sheet S, and a drive source that operates the clamp operation and the clamp release operation. The sliders 51 and 52 are configured to clamp both ends of the belt-like sheet S in the width direction by the clamp mechanisms 53 and 54 to intermittently feed the belt-like sheet S, and one slider 51 (or 52) is the belt-like sheet. While clamping S and intermittently feeding, the other slider 52 (or 51) is configured to release the clamp of the belt-like sheet S and return to the origin position. That is, the two sliders 51 and 52 move oppositely in synchronization on the same rail 55.

このようにして、2台のクランプ機構付スライダー51,52を対向して移動させることにより、帯状シートSの幅方向の両端をクランプして帯状シートSを間欠送りさせるようにしても、プレス機4での高速プレス加工にも追従して帯状シートSを高速送りすることができる。また、従来例として上述した送りローラ105は、帯状シートSの挟持部分の全部にロール面が接触されるが、上記クランプ機構53,54は、帯状シートSの挟持部分(帯状シートSの幅方向の両端)の一部をクランプするだけなので、帯状シートSとの接触面積が非常に少なく、それゆえに製品となる帯状シートSの表面への異物の付着を抑制することができる。さらに、2台のクランプ機構付スライダー51,52を同期して対向移動させることにより、各スライダー51,52の移動に伴って生じる振動が相殺されるので、打抜装置1がスライダー51,52の移動方向に揺れることもない。
なお、この実施形態では、1台のスライダーの原点位置から前進限までの移動がプレス機4での1回のプレス加工に対応しているが、2台のスライダーの原点位置から前進限までの移動がプレス機4での1回のプレス加工に対応するようにしてもよい。
In this way, even if the belt-like sheet S is intermittently fed by clamping both ends in the width direction of the belt-like sheet S by moving the two sliders 51 and 52 with a clamp mechanism facing each other, a press machine The belt-like sheet S can be fed at a high speed following the high-speed press processing in FIG. In addition, the feed roller 105 described above as a conventional example has the roll surface in contact with the entire sandwiched portion of the belt-like sheet S. However, the clamping mechanisms 53 and 54 have the sandwiching portion of the belt-like sheet S (the width direction of the belt-like sheet S). Since only a part of both ends) is clamped, the contact area with the belt-like sheet S is very small. Therefore, the adhesion of foreign matter to the surface of the belt-like sheet S to be a product can be suppressed. Further, by causing the two sliders 51 and 52 with a clamp mechanism to move in opposition to each other in synchronization, vibrations generated by the movement of the sliders 51 and 52 are canceled out. There is no shaking in the direction of movement.
In this embodiment, the movement from the origin position of one slider to the advance limit corresponds to a single press work in the press 4, but from the origin position of the two sliders to the advance limit. The movement may correspond to one press work in the press 4.

バキュームテンショナー3は、箱筒型のダクト31と、ダクト31の下方に配設されてダクト31内の内部空気を下方へ吸引するバキューム32とを備える。ダクト31の上端には、ワインダー2寄り側である帯状シートSの入口側とプレス機4寄り側である帯状シートSの出口側とのそれぞれに固定ローラ33,34が設けられ、これら前後の固定ローラ33,34間にワインダー2から繰り出される帯状シートSがダクト31上に配置されるように架け渡されている。また、ダクト31内には、帯状シートSのシート幅に応じてハンドル39により接近・離反自在に調節可能な一対のガイド板38が配設されている。そして、ワインダー2から繰り出される帯状シートSを前後の固定ローラ33,34間に架け渡すと共に一対のガイド板38を帯状シートSのシート幅に合わせるように調節してバキューム32を駆動すると、帯状シートSがダクト31上からダクト31内にU字状に垂れ下がった状態に配置される。なお、ダクト31の下部付近には、複数のレーザ式センサ(高さ検知手段)37が上下に配設され、これらレーザ式センサ37により帯状シートSのU字状の下端の高さが検知されるようになっている。なお、上記高さ検知手段37としては、上記レーザ式センサ以外に、赤外線センサ等の各種のセンサを使用することもできる。   The vacuum tensioner 3 includes a box-type duct 31 and a vacuum 32 that is disposed below the duct 31 and sucks the internal air in the duct 31 downward. Fixing rollers 33 and 34 are provided at the upper end of the duct 31 respectively on the inlet side of the belt-like sheet S near the winder 2 and on the outlet side of the belt-like sheet S near the press 4. A belt-like sheet S fed from the winder 2 is stretched between the rollers 33 and 34 so as to be disposed on the duct 31. In the duct 31, a pair of guide plates 38 that can be adjusted by a handle 39 so as to be able to approach and separate according to the sheet width of the belt-like sheet S is disposed. Then, the belt-like sheet S fed out of the winder 2 is bridged between the front and rear fixed rollers 33 and 34 and the vacuum plate 32 is driven by adjusting the pair of guide plates 38 to match the sheet width of the belt-like sheet S. S is arranged in a state where it hangs down in U-shape from the top of the duct 31 into the duct 31. A plurality of laser-type sensors (height detection means) 37 are arranged vertically near the lower portion of the duct 31, and the height of the U-shaped lower end of the belt-like sheet S is detected by these laser-type sensors 37. It has become so. As the height detection means 37, various sensors such as an infrared sensor can be used in addition to the laser type sensor.

また、ダクト31内には、帯状シートSの入口側内壁付近と出口側内壁付近とのそれぞれに上下に配設する多数の案内ローラ35,36が設けられ、U字状に垂れ下がった帯状シートSがダクト31内壁に接触しないようにしている。これにより、ダクト31内にU字状に垂れ下がった帯状シートSは、多数の案内ローラ35,36によってガイドされるので、帯状シートSがバキューム32の吸引によってばたついたりダクト31内壁に静電付着することもない。従って、帯状シートSの表面への異物の付着を抑制することができる。   Further, in the duct 31, a number of guide rollers 35 and 36 are provided on the upper and lower sides of the belt-like sheet S near the inlet-side inner wall and the outlet-side inner wall, respectively, and the belt-like sheet S hanging down in a U-shape is provided. Does not contact the inner wall of the duct 31. As a result, the belt-like sheet S suspended in the U-shape in the duct 31 is guided by the large number of guide rollers 35 and 36, so that the belt-like sheet S flutters by the suction of the vacuum 32 or electrostatically adheres to the inner wall of the duct 31. There is no adhesion. Accordingly, it is possible to suppress the adhesion of foreign matter to the surface of the belt-like sheet S.

なお、第2バキュームテンショナー6も、上記バキュームテンショナー3と同様の構成を備えており、ダクト61、バキューム62、前後の固定ローラ63,64、多数の案内ローラ65,66、レーザ式センサ(高さ検知手段:上記高さ検知手段37と同様)67を有する。この第2バキュームテンショナー6では、プレス機4によりプレス加工された帯状シートSがバキューム62の駆動によりダクト61上からダクト61内にU字状に垂れ下がった状態に配置される。   The second vacuum tensioner 6 has the same configuration as that of the vacuum tensioner 3, and includes a duct 61, a vacuum 62, front and rear fixed rollers 63 and 64, a number of guide rollers 65 and 66, a laser sensor (height (Detection means: same as the height detection means 37) 67). In the second vacuum tensioner 6, the belt-like sheet S press-processed by the press machine 4 is disposed in a U-shaped manner in the duct 61 from the duct 61 by driving the vacuum 62.

ワインダー2は、リール21を連続回転させるサーボモータ(モータ駆動源)22と、リール21の巻径を検知する超音波式センサ(巻径検知手段)23とを備える。なお、上記巻径検知手段23としては、上記超音波式センサ以外に、レーザ式センサ、赤外線センサ等の各種のセンサを使用することもできる。また、本打抜装置1は、ワインダー2におけるリール21からの帯状シートSの連続的な繰り出し速度を制御する繰り出し制御部8を備える。この繰り出し制御部8は、プレス機4内への帯状シートSの送り速度に合せて、超音波式センサ23で検知されるリール21の巻径よりサーボモータ22の回転数を制御して帯状シートSを連続的に繰り出し、バキュームテンショナー3でのレーザ式センサ37で検知される帯状シートSのU字状の下端の高さ変動が微小範囲内に保持されるように制御する。例えば、繰り出し制御部8は、ワインダー2からの帯状シートSの連続的な繰り出し速度が、間欠搬送手段5によりプレス機4内に帯状シートSを間欠送りする送り速度の平均値と一致するように、リール21の巻径に応じてリール21の回転数、すなわちサーボモータ22の回転数を制御する。さらには、バキュームテンショナー3でのレーザ式センサ37で検知される帯状シートSのU字状の下端の高さ変動が微小範囲を超えると、この帯状シートSのU字状の下端の高さ変動が微小範囲内に収まるようにサーボモータ22の回転数を補正する。ここで、上記微小範囲は、一例として、80mm以下の落差の範囲に設定される。   The winder 2 includes a servo motor (motor drive source) 22 that continuously rotates the reel 21 and an ultrasonic sensor (winding diameter detection means) 23 that detects the winding diameter of the reel 21. In addition to the ultrasonic sensor, various sensors such as a laser sensor and an infrared sensor can be used as the winding diameter detection means 23. Further, the punching device 1 includes a feeding control unit 8 that controls a continuous feeding speed of the belt-like sheet S from the reel 21 in the winder 2. The feeding control unit 8 controls the number of revolutions of the servo motor 22 from the winding diameter of the reel 21 detected by the ultrasonic sensor 23 in accordance with the feeding speed of the belt-like sheet S into the press 4. S is fed out continuously, and the height variation of the U-shaped lower end of the belt-like sheet S detected by the laser sensor 37 in the vacuum tensioner 3 is controlled so as to be held within a minute range. For example, the feeding control unit 8 makes the continuous feeding speed of the belt-like sheet S from the winder 2 coincide with the average value of the feeding speed at which the belt-like sheet S is intermittently fed into the press 4 by the intermittent conveying means 5. The number of revolutions of the reel 21, that is, the number of revolutions of the servo motor 22 is controlled according to the winding diameter of the reel 21. Further, when the height fluctuation of the U-shaped lower end of the belt-like sheet S detected by the laser sensor 37 in the vacuum tensioner 3 exceeds a minute range, the height fluctuation of the U-shaped lower end of the belt-like sheet S is changed. The rotational speed of the servo motor 22 is corrected so as to be within a minute range. Here, as an example, the minute range is set to a head range of 80 mm or less.

このようにして、繰り出し制御部8によりダクト31内における帯状シートSのU字状の下端の高さ変動が微小範囲内に保持されるので、高速プレス加工を行うために帯状シートSを高速送りしてもバキュームテンショナー3での帯状シートSのU字状下端の急上昇が防止される。これにより、シート送り停止時に帯状シートSの移動の慣性が大きくなるのを抑制することができる。しかも、バキュームテンショナー3には、従来例のような帯状シートSにテンションを掛けるダンサローラ131も存在しない。従って、高速プレス加工を行うために帯状シートSを高速送りしても、シート送り量に誤差を生じさせることなくスムーズなシート送りを行うことができる。また、帯状シートSに大きなテンションが掛かって帯状シートSを破断させることもない。   In this manner, since the fluctuation of the height of the U-shaped lower end of the belt-like sheet S in the duct 31 is kept within a very small range by the feeding control unit 8, the belt-like sheet S is fed at high speed in order to perform high-speed pressing. Even so, the U-shaped lower end of the belt-like sheet S at the vacuum tensioner 3 is prevented from rising rapidly. Thereby, it is possible to suppress an increase in the inertia of the movement of the belt-like sheet S when the sheet feeding is stopped. In addition, the vacuum tensioner 3 does not include a dancer roller 131 that tensions the belt-like sheet S as in the conventional example. Therefore, even if the belt-like sheet S is fed at a high speed in order to perform high-speed pressing, it is possible to smoothly feed the sheet without causing an error in the sheet feeding amount. Further, the belt-like sheet S is not broken by applying a large tension to the belt-like sheet S.

このように、実施形態による打抜装置1によれば、帯状シートSを高速送りしても、帯状シートSの送り誤差を生じさせることがなくスムーズなシート送りを行うことができる。しかも、帯状シートSの表面に異物を付着させたり帯状シートSを破断させることもない。従って、生産性を大幅に向上することができ、且つ高品質な帯状シートS製品を提供することができる。   As described above, according to the punching device 1 according to the embodiment, even if the belt-like sheet S is fed at a high speed, the belt-like sheet S can be fed smoothly without causing a feeding error. In addition, no foreign matter is attached to the surface of the belt-like sheet S or the belt-like sheet S is not broken. Therefore, productivity can be improved significantly and a high-quality strip-shaped sheet S product can be provided.

なお、リワインダー7も、上記ワインダー2と同様の構成を備えており、また、本打抜装置1には、帯状シートSを連続的に巻き取るリワインダー7でのリール71の巻き取り速度を制御する巻き取り制御部9を備える。この巻き取り制御部9は、プレス機4内への帯状シートSの送り速度に合せて、超音波式センサ(巻径検知手段:上記巻径検知手段23と同様)73で検知されるリール71の巻径よりサーボモータ72の回転数を制御してプレス加工された帯状シートSを連続的に巻き取り、第2バキュームテンショナー6でのレーザ式センサ67で検知される帯状シートSのU字状の下端の高さ変動が微小範囲内に保持されるように制御する。例えば、巻き取り制御部9は、リワインダー7での帯状シートSの連続的な巻き取り速度が、間欠搬送手段5によりプレス機4内に帯状シートSを間欠送りする送り速度の平均値と一致するように、リール71の巻径に応じてリール71の回転数、すなわちサーボモータ72の回転数を制御する。さらには、第2バキュームテンショナー6でのレーザ式センサ67で検知される帯状シートSのU字状の下端の高さ変動が微小範囲を超えると、この帯状シートSのU字状の下端の高さ変動が微小範囲内に収まるようにサーボモータ72の回転数を補正する。ここでの微小範囲も、上記同様に、一例として、80mm以下の落差の範囲に設定される。   The rewinder 7 also has the same configuration as the winder 2, and the punching device 1 controls the winding speed of the reel 71 in the rewinder 7 that continuously winds the belt-like sheet S. A winding control unit 9 is provided. The winding control unit 9 is a reel 71 that is detected by an ultrasonic sensor (winding diameter detection means: similar to the above-described winding diameter detection means 23) 73 in accordance with the feeding speed of the belt-like sheet S into the press 4. The belt-like sheet S that has been press-processed by controlling the rotation speed of the servo motor 72 from the winding diameter is continuously wound up, and the U-shape of the belt-like sheet S detected by the laser sensor 67 in the second vacuum tensioner 6 Control is performed so that the variation in the height of the lower end of the lens is kept within a minute range. For example, in the winding control unit 9, the continuous winding speed of the belt-like sheet S in the rewinder 7 coincides with the average value of the feeding speed at which the belt-like sheet S is intermittently fed into the press 4 by the intermittent conveying means 5. As described above, the rotation speed of the reel 71, that is, the rotation speed of the servo motor 72 is controlled in accordance with the winding diameter of the reel 71. Furthermore, when the height fluctuation of the U-shaped lower end of the strip-shaped sheet S detected by the laser sensor 67 in the second vacuum tensioner 6 exceeds a minute range, the height of the U-shaped lower end of the strip-shaped sheet S is increased. The rotational speed of the servo motor 72 is corrected so that the fluctuation is within a minute range. The minute range here is also set to a drop range of 80 mm or less as an example, as described above.

これにより、高速プレス加工に対応して帯状シートSを高速送りしても第2バキュームテンショナー6での帯状シートSのU字状下端の急降下が防止され、帯状シートSのばたつきを防止することができる。従って、帯状シートSを高速送りしても、リワインダー7のリール71に帯状シートを円滑に巻取ることができる。   Thereby, even if the belt-like sheet S is fed at a high speed corresponding to the high-speed press processing, the U-shaped lower end of the belt-like sheet S at the second vacuum tensioner 6 is prevented from suddenly descending, and fluttering of the belt-like sheet S can be prevented. it can. Therefore, even if the belt-like sheet S is fed at a high speed, the belt-like sheet can be smoothly wound around the reel 71 of the rewinder 7.

プレス機4は、上型と下型とストリッパーからなる金型41と、上型を昇降させる昇降機構とを備え、この金型41によって帯状シートSに対して所定のプレス加工を行う。また、プレス機4の入口部には、サーボモータ駆動される上下一対のバックテンションローラ42が設置され、この一対のバックテンションローラ42間に帯状シートSが配置される。そして、このバックテンションローラ42は、間欠搬送手段5のスライダー51,52による帯状シートSの間欠送りと同期して回転及び回転停止される。このバックテンションローラ42が回転停止されることによっても、シート送り停止時に帯状シートSが慣性力で送り過ぎとなることを抑制している。また、プレス機4の出口側には、帯状シートSの幅方向の両端をクランプ可能とするクランパー43が設けられている。このクランパー43は、シート送り停止時に帯状シートSの幅方向の両端をクランプする。これによっても、シート送り停止時に帯状シートSが慣性力で送り過ぎとなることを抑制している。   The press machine 4 includes a die 41 composed of an upper die, a lower die, and a stripper, and an elevating mechanism for raising and lowering the upper die. The die 41 performs a predetermined pressing process on the belt-like sheet S. A pair of upper and lower back tension rollers 42 driven by a servo motor is installed at the entrance of the press 4, and the belt-like sheet S is disposed between the pair of back tension rollers 42. The back tension roller 42 is rotated and stopped in synchronization with the intermittent feeding of the belt-like sheet S by the sliders 51 and 52 of the intermittent conveying means 5. The rotation of the back tension roller 42 also prevents the belt-like sheet S from being excessively fed by inertia when the sheet feeding is stopped. Further, a clamper 43 that can clamp both ends in the width direction of the belt-like sheet S is provided on the outlet side of the press 4. The clamper 43 clamps both ends of the belt-like sheet S in the width direction when the sheet feeding is stopped. This also suppresses the belt-like sheet S from being excessively fed by inertia when the sheet feeding is stopped.

なお、本発明は、上記実施形態のみに限定されず、本発明内容の範囲内で種々の変更を施すことが可能である。例えば、間欠搬送手段5は、プレス機4の入口側に配設するようにしてもよい。   In addition, this invention is not limited only to the said embodiment, A various change is possible within the range of this invention content. For example, the intermittent conveying means 5 may be arranged on the inlet side of the press machine 4.

1 打抜装置
2 ワインダー
3 バキュームテンショナー(送り調節部)
4 プレス機
5 間欠搬送手段
6 第2バキュームエンショナー(送り調節部)
7 リワインダー
8 繰り出し制御部
9 巻き取り制御部
21,71 リール
22,72 サーボモータ(モータ駆動源)
23,73 超音波式センサ(巻径検知手段)
31,61 ダクト
32,62 バキューム
35,36,65,66 案内ローラ
37,67 レーザ式センサ(高さ検知手段)
51,52 クランプ機構付スライダー
S 帯状シート

1 Punching device 2 Winder 3 Vacuum tensioner (feed adjustment unit)
4 Press machine 5 Intermittent conveyance means 6 2nd vacuum entrainer (feed adjustment part)
7 Rewinder 8 Feeding control unit 9 Winding control unit 21, 71 Reel 22, 72 Servo motor (motor drive source)
23, 73 Ultrasonic sensor (winding diameter detection means)
31, 61 Duct 32, 62 Vacuum 35, 36, 65, 66 Guide roller 37, 67 Laser sensor (height detecting means)
51,52 Slider S with clamp mechanism

Claims (2)

ワインダーによりリールから繰り出す帯状シートを間欠搬送手段により間欠送りしてプレス機で帯状シートをプレス加工する打抜装置であって、
ワインダーとプレス機との間に配設する帯状シートの送り調節部は、箱筒型のダクトと、リールから繰り出す帯状シートをダクト上からダクト内にU字状に垂れ下がるように吸引するバキュームとを備え、
ダクト内には、帯状シートの入口側内壁付近と出口側内壁付近とのそれぞれに上下に配設する多数の案内ローラを設けてU字状の帯状シートがダクトに接触しないように構成し、
ダクトには、帯状シートのU字状の下端の高さを検知する高さ検知手段を備え、
ワインダーは、リールを連続回転させるモータ駆動源と、リールの巻径を検知する巻径検知手段とを備え、
プレス機内への帯状シートの送り速度に合せて、巻径検知手段で検知されるリールの巻径よりモータ駆動源の回転数を制御して帯状シートを連続的に繰り出し、高さ検知手段で検知される帯状シートのU字状の下端の高さ変動が微小範囲内に保持されるように制御する繰り出し制御部を備える打抜装置。
A punching device that intermittently feeds a belt-like sheet fed from a reel by a winder and presses the belt-like sheet with a press machine,
The belt-like sheet feed adjusting unit disposed between the winder and the press includes a box-shaped duct and a vacuum for sucking the belt-like sheet fed from the reel so as to hang in a U-shape from the duct into the duct. Prepared,
In the duct, a number of guide rollers are provided above and below the inlet-side inner wall and the outlet-side inner wall of the belt-like sheet so that the U-shaped belt-like sheet does not contact the duct.
The duct is provided with a height detection means for detecting the height of the U-shaped lower end of the belt-like sheet,
The winder includes a motor drive source for continuously rotating the reel, and a winding diameter detecting means for detecting the winding diameter of the reel,
The belt sheet is continuously fed out by controlling the number of revolutions of the motor drive source from the reel winding diameter detected by the winding diameter detecting means according to the feeding speed of the belt sheet into the press machine, and detected by the height detecting means. A punching device comprising a feeding control unit that controls the fluctuation of the height of the U-shaped lower end of the belt-like sheet to be held within a minute range.
請求項1に記載の打抜装置において、
上記間欠搬送手段は、プレス機の入口側又は出口側にリニアモータ駆動の2台のクランプ機構付スライダーを前後に備え、
各スライダーは、帯状シートの幅方向の両端をクランプして帯状シートを間欠送りさせるように構成し、一方のスライダーが帯状シートをクランプして間欠送りしている間に、他方のスライダーは帯状シートのクランプを開放して原点位置まで復帰移動するように構成する打抜装置。
The punching device according to claim 1,
The intermittent conveying means includes two sliders with a clamp mechanism that are driven by a linear motor on the inlet side or the outlet side of the press machine.
Each slider is configured to clamp both ends of the belt-like sheet in the width direction and intermittently feed the belt-like sheet. While one slider clamps the belt-like sheet and intermittently feeds, the other slider is a belt-like sheet. Punching device configured to release the clamp and return to the home position.
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CN103586935A (en) * 2012-08-15 2014-02-19 盐城市协和机械有限公司 Die-cutting process and die-cutting production equipment for abrasive paper and cloth
CN103753645A (en) * 2011-12-31 2014-04-30 东莞市飞新达精密机械科技有限公司 Method for machining fully-penetrated die-cut product
CN104290134A (en) * 2014-09-01 2015-01-21 东莞市飞新达精密机械科技有限公司 Die cutting machining device and method
CN104552453A (en) * 2015-01-09 2015-04-29 苏州爱可姆机械有限公司 Automatic sheet cutter
CN104942877A (en) * 2015-06-18 2015-09-30 苏州海博智能***有限公司 Processing equipment for electronic display printing sheet
KR20150118533A (en) 2014-04-14 2015-10-22 아이세루 가부시키가이샤 Apparatus for sheet tensioning
CN105798991A (en) * 2016-05-18 2016-07-27 苏州美山子制衣有限公司 Semiautomatic coiled material stamping and punching equipment
KR20170053582A (en) * 2015-11-06 2017-05-16 엔엑스피 비 브이 System and method for processing a flexible substrate
CN106956317A (en) * 2017-04-20 2017-07-18 恒天嘉华非织造有限公司 A kind of non-weaving cloth perforating device

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CN103753645A (en) * 2011-12-31 2014-04-30 东莞市飞新达精密机械科技有限公司 Method for machining fully-penetrated die-cut product
CN103586935A (en) * 2012-08-15 2014-02-19 盐城市协和机械有限公司 Die-cutting process and die-cutting production equipment for abrasive paper and cloth
CN103586935B (en) * 2012-08-15 2016-03-16 盐城市协和机械有限公司 Sand paper Bu Moqie severing technique and production equipment thereof
CN103009422B (en) * 2012-10-09 2015-11-18 鲁东大学 Needle-type film punching machine control system
CN103009422A (en) * 2012-10-09 2013-04-03 鲁东大学 Control system of roller needle type mulch punching machine
CN103552130A (en) * 2013-11-04 2014-02-05 曲阜天博汽车零部件制造有限公司 Automatic blanking and installing method and equipment for diaphragm of alarm of motor vehicle
CN103552130B (en) * 2013-11-04 2016-01-13 曲阜天博汽车零部件制造有限公司 A kind of automatic stamping-out installation method of diaphragm of alarm of motor vehicle and equipment thereof
KR20150118533A (en) 2014-04-14 2015-10-22 아이세루 가부시키가이샤 Apparatus for sheet tensioning
CN104290134A (en) * 2014-09-01 2015-01-21 东莞市飞新达精密机械科技有限公司 Die cutting machining device and method
CN104552453A (en) * 2015-01-09 2015-04-29 苏州爱可姆机械有限公司 Automatic sheet cutter
CN104942877A (en) * 2015-06-18 2015-09-30 苏州海博智能***有限公司 Processing equipment for electronic display printing sheet
KR20170053582A (en) * 2015-11-06 2017-05-16 엔엑스피 비 브이 System and method for processing a flexible substrate
JP2017088406A (en) * 2015-11-06 2017-05-25 エヌエックスピー ビー ヴィNxp B.V. System and method for processing flexible substrate
KR102632990B1 (en) 2015-11-06 2024-02-01 엔엑스피 비 브이 System and method for processing a flexible substrate
CN105798991A (en) * 2016-05-18 2016-07-27 苏州美山子制衣有限公司 Semiautomatic coiled material stamping and punching equipment
CN106956317A (en) * 2017-04-20 2017-07-18 恒天嘉华非织造有限公司 A kind of non-weaving cloth perforating device

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