JP2013013982A - Stiletto device and method of cutting machine - Google Patents

Stiletto device and method of cutting machine Download PDF

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JP2013013982A
JP2013013982A JP2011149445A JP2011149445A JP2013013982A JP 2013013982 A JP2013013982 A JP 2013013982A JP 2011149445 A JP2011149445 A JP 2011149445A JP 2011149445 A JP2011149445 A JP 2011149445A JP 2013013982 A JP2013013982 A JP 2013013982A
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sheet material
rotary drill
cutting
cutting machine
scraps
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JP5828689B2 (en
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Jun Aotani
潤 青谷
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Shima Seiki Mfg Ltd
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Shima Seiki Mfg Ltd
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Priority to FR1256387A priority patent/FR2977519B1/en
Priority to CN201210231624.5A priority patent/CN102862184B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1818—Means for removing cut-out material or waste by pushing out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/16—Perforating by tool or tools of the drill type

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Cutting Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a stiletto device for a cutting machine capable of properly disposing punching waste and preventing air leakage from a perforated sheet material, and a stiletto method for the cutting machine.SOLUTION: The stiletto device 1 includes a rotation drill 5 of a hollow cylindrical form rotating around the center axis line 5a. An extrusion pin 6 is provided in a hollow hole 5b. An upper part 6a of the extrusion pin 6 extends upward above a handle 5d of the rotation drill 5. A lower end 6c of the extrusion pin 6 can be relatively lowered below a blade edge 5e of the rotation drill 5. A rise and a fall of the extrusion pin 6 are supported by a support mechanism 7 and performed in conjunction with a foot presser 8. A drive cylinder 9 drives the rise and the fall of the extrusion pin 6 in conjunction with the foot presser 8 so that the punching waste 4b can be discharged out of the rotation drill 5 to perform proper disposal. The air leakage can be prevented by making the punching waste 4b remain in the perforated sheet material 4.

Description

本発明は、積層状態のシート材に穿孔する裁断機の目打ち装置および方法に関する。   The present invention relates to a perforating apparatus and method for a cutting machine that perforates a laminated sheet material.

従来から、裁断機には、布帛や皮革などのシート材を複数積層した状態で、吸引して保持する裁断テーブルが備えられている。吸引保持されるシート材は、裁断テーブル上を平面移動する裁断ヘッドに備えられるナイフで裁断される。このような裁断機の裁断ヘッドに、穿孔装置を備えれば、目打ちも行うことができる。穿孔装置としては、中空円筒状の回転ドリルなどが使用される（たとえば、特許文献１参照）。   2. Description of the Related Art Conventionally, a cutting machine has been provided with a cutting table that sucks and holds a plurality of sheet materials such as fabric and leather in a stacked state. The sheet material that is sucked and held is cut by a knife provided in a cutting head that moves in a plane on the cutting table. If the cutting head of such a cutting machine is provided with a punching device, perforation can also be performed. A hollow cylindrical rotary drill or the like is used as the drilling device (see, for example, Patent Document 1).

特許文献１に開示されているシート材料穿孔装置では、穿孔の際に、シート材料から切離される部分である抜き屑を、回転ドリルの中空孔としてのボアに入れる。穿孔後に回転ドリルをシート材料から引上げると、ボアに入れた抜き屑も回転ドリルとともにシート材料の表面から抜出される。ボア内部には、裁断ヘッドのベースフレームに固定されるストッパロッドが設けられる。ドリルを上昇させると、ボア内部でストッパロッドが相対的に下降し、ストッパロッドの下端で、抜き屑を押下げる。押下げられた抜き屑は、回転ドリルの下端の開口部から排出される。穿孔後の上昇で、抜き屑をストッパロッドがドリル外に排出するので、穿孔を繰返しても、抜き屑がドリル内部に詰ることを防止できる。抜き屑がドリル内部に詰ると、シート材料をドリルで貫通することができなくなる。また、抜き屑がシート材を吸引する裁断テーブル側に移行すると、表面を形成する剛毛ブラシなどを詰らせるおそれもある。剛毛ブラシが詰ると、通気性を損ねて清掃が必要となったり、ドリルやナイフに対する柔軟性を損ねて、穿孔時や切断時に損傷を招いたりするおそれがある。   In the sheet material punching device disclosed in Patent Document 1, scraps that are parts separated from the sheet material are put into a bore as a hollow hole of a rotary drill when punching. When the rotary drill is pulled up from the sheet material after drilling, the scraps put in the bore are also extracted from the surface of the sheet material together with the rotary drill. A stopper rod fixed to the base frame of the cutting head is provided inside the bore. When the drill is raised, the stopper rod descends relatively inside the bore, and the scrap is pushed down at the lower end of the stopper rod. The pressed scraps are discharged from the opening at the lower end of the rotary drill. Since the stopper rod discharges the scraps out of the drill ascending after drilling, the scraps can be prevented from clogging inside the drill even if drilling is repeated. If the scraps get stuck inside the drill, the sheet material cannot be drilled through. Further, when the scrap moves to the side of the cutting table that sucks the sheet material, the bristle brush that forms the surface may be clogged. If the bristle brush is clogged, air permeability may be impaired and cleaning may be required, or flexibility with respect to the drill or knife may be impaired, resulting in damage during drilling or cutting.

特公平６−３０８８０号公報Japanese Patent Publication No. 6-30880

特許文献１の穿孔装置では、抜き屑を一旦ボア内部に入れてから、シート材料の表面上に固定されたストッパロッドの下端でドリルから押出す。このため、シート材料表面からストッパロッドの下端までの高さは、シート材料の積層厚さよりも高くしておく必要がある。また、穿孔後のドリルは、積層厚さ以上に上昇させる必要もあり、昇降のストロークが大きくなる。さらに、ストッパロッドでドリルから押出された抜き屑は、シート材料表面に散乱して、裁断時の生地押えの下に入るなどのおそれもある。抜き屑が生地押えの下に入ると、裁断精度に悪影響がでる。さらにまた、抜き屑をシート材料から完全に抜き出してしまうと、穿孔後のシート材料からは、吸引時に空気漏れが生じ、吸引力が低下するおそれがある。   In the perforating apparatus of Patent Document 1, the scraps are once put into the bore and then pushed out from the drill at the lower end of the stopper rod fixed on the surface of the sheet material. For this reason, the height from the surface of the sheet material to the lower end of the stopper rod needs to be higher than the laminated thickness of the sheet material. Moreover, it is necessary to raise the drill after drilling more than lamination | stacking thickness, and the stroke of raising / lowering becomes large. Furthermore, the scraps pushed out from the drill by the stopper rod may be scattered on the surface of the sheet material and enter under the dough presser at the time of cutting. If the scraps enter under the dough presser, the cutting accuracy will be adversely affected. Furthermore, if the scrap is completely extracted from the sheet material, the sheet material after perforation may cause air leakage during suction, which may reduce the suction force.

本発明の目的は、抜き屑の処理を適切に行い、穿孔後のシート材料からの空気漏れも防止することが可能な裁断機の目打ち装置および方法を提供することである。   SUMMARY OF THE INVENTION An object of the present invention is to provide a cutting device perforating apparatus and method capable of appropriately processing scraps and preventing air leakage from a sheet material after punching.

本発明は、裁断テーブル上にシート材料を保持し、裁断テーブル上方を平面移動可能な裁断ヘッドに設けられるナイフでシート材料を裁断する裁断機で、裁断ヘッドにナイフとともに設けられ、裁断テーブルに対して昇降移動可能、かつ内部に抜き屑を収容可能な中空円筒状の回転ドリルで、シート材料を表面からフットプレッサーで押えながら穿孔し、回転ドリル内部には、抜き屑排出用の押出しピンを備える目打ち装置において、
押出しピンを、裁断テーブルに対して昇降可能に、かつ押出しピンの下端とシート材料の表面との間隔がシート材料の厚さよりも小さくなるまで近接可能に、支持する支持機構と、
支持機構で支持される押出しピンを、駆動して昇降させる駆動手段とを、
含むことを特徴とする裁断機の目打ち装置である。 The present invention is a cutting machine that holds a sheet material on a cutting table and cuts the sheet material with a knife provided on a cutting head that can be moved in a plane above the cutting table. It is a hollow cylindrical rotary drill that can move up and down and accommodates scraps inside, and drills while pressing the sheet material from the surface with a foot press, and the rotary drill has an extrusion pin for discharging scraps In the percussion device,
A support mechanism that supports the extruding pin so that it can be moved up and down relative to the cutting table, and can be approached until the distance between the lower end of the extruding pin and the surface of the sheet material becomes smaller than the thickness of the sheet material;
Driving means for driving and lifting the push pin supported by the support mechanism;
It is a perforation device of a cutting machine characterized by including.

また本発明で、前記駆動手段は、前記フットプレッサーと連動して、前記押出しピンが昇降するように、前記支持機構を駆動する、
ことを特徴とする。 In the present invention, the driving means drives the support mechanism so that the push pin moves up and down in conjunction with the foot presser.
It is characterized by that.

また本発明で、前記支持機構は、
前記押出しピンの前記下端が前記シート材料の表面に接近する位置を設定する位置設定機構と、
押出しピンを前記回転ドリルの中心軸線まわりに回転可能に支持する回転支持機構とを含む、
ことを特徴とする。 In the present invention, the support mechanism is
A position setting mechanism for setting a position at which the lower end of the extrusion pin approaches the surface of the sheet material;
A rotation support mechanism that rotatably supports an extrusion pin about a central axis of the rotary drill,
It is characterized by that.

また本発明は、前記シート材料の表面近傍の高さで、前記抜き屑を除去する除去装置をさらに含む、
ことを特徴とする。 The present invention further includes a removal device for removing the scraps at a height near the surface of the sheet material.
It is characterized by that.

さらに本発明は、裁断テーブル上にシート材料を保持し、裁断テーブル上方を平面移動可能な裁断ヘッドに設けられるナイフでシート材料を裁断する裁断機で、裁断ヘッドにナイフとともに設けられ、裁断テーブルに対して昇降移動可能、かつ内部に抜き屑を収容可能な中空円筒状の回転ドリルで、シート材料に穿孔し、回転ドリル内部に備える押出しピンで抜き屑を除去する裁断機の目打ち方法において、
シート材料への穿孔後、回転ドリルをシート材料表面から引上げる際に、押出しピンを、下端がシート材料の表面に接する位置、または表面からシート材料の厚さよりも小さい間隔をあける位置に留め、回転ドリルとともに引上げられる抜き屑の上端を押えて、抜き屑の少なくとも一部を、シート材料の穿孔部分に残す、
ことを特徴とする裁断機の目打ち方法である。 Furthermore, the present invention is a cutting machine that holds a sheet material on a cutting table and cuts the sheet material with a knife provided on a cutting head that can be moved in a plane above the cutting table. In the perforating method of the cutting machine, which is capable of moving up and down, and is hollow cylindrical rotary drill capable of accommodating scraps inside, punching the sheet material, and removing the scraps with an extrusion pin provided inside the rotary drill,
When the rotary drill is pulled up from the surface of the sheet material after drilling into the sheet material, the extrusion pin is held at a position where the lower end is in contact with the surface of the sheet material or at a position where the distance from the surface is smaller than the thickness of the sheet material, Pressing the top of the scrap pulled up with the rotary drill, leaving at least a portion of the scrap in the perforated portion of the sheet material,
This is a cutting method for a cutter.

また本発明は、前記抜き屑のうち、前記穿孔部分に残す部分以外を、前記押出しピンで前記回転ドリル内から前記シート材料表面に排出しながら、排出された抜き屑を除去する、
ことを特徴とする。 In addition, the present invention removes the discharged scraps while discharging the scraps other than the part left in the perforated portion from the rotary drill to the surface of the sheet material with the extrusion pins.
It is characterized by that.

本発明によれば、中空円筒状の回転ドリルによるシート材料への穿孔で、回転ドリル内部に抜き屑が収容される。回転ドリル内部には、支持機構で昇降可能に支持される押出しピンが設けられる。駆動手段で押出しピンを、下端とシート材料の表面との間隔がシート材料の厚さよりも小さくなるまで接近させておけば、穿孔後に回転ドリルを引上げる際に、抜き屑の少なくとも一部を穿孔後のシート材料に残すように回転ドリル内から排出することが可能となる。穿孔後のシート材料の穿孔部分に抜き屑の少なくとも一部が残ると、空気漏れを防止し、穿孔部分の近傍を裁断する際の裁断精度低下を避けることもできる。   According to the present invention, scraps are accommodated inside the rotary drill by drilling the sheet material with the hollow cylindrical rotary drill. An extrusion pin that is supported by a support mechanism so as to be lifted and lowered is provided inside the rotary drill. If the drive pin closes the extrusion pin until the distance between the lower end and the surface of the sheet material is smaller than the thickness of the sheet material, at least part of the scraps will be drilled when the rotary drill is pulled up after drilling. It becomes possible to discharge from the rotary drill so as to leave it in the later sheet material. If at least a part of the scrap remains in the perforated portion of the sheet material after perforation, it is possible to prevent air leakage and avoid a reduction in cutting accuracy when cutting the vicinity of the perforated portion.

また本発明によれば、駆動手段は、シート材料の表面を押えるフットプレッサーと連動して押出しピンを昇降させるので、押出しピンを単独で昇降させる機構を設ける必要はなく、フットプレッサーと押出しピンとを連動させて、抜き屑の処理を行わせることができる。   Further, according to the present invention, the driving means raises and lowers the extrusion pin in conjunction with the foot presser that presses the surface of the sheet material, so there is no need to provide a mechanism for raising and lowering the extrusion pin alone, and the foot presser and the extrusion pin are provided. In conjunction with this, processing of scraps can be performed.

また本発明によれば、位置設定機構で押出しピンがシート材料表面に接近する位置を設定し、回転支持機構で押出しピンが回転ドリルに追従して回転可能に支持することができる。押出しピンが回転ドリルに対して連れ回りするようになるので、回転ドリルの中空孔と押出しピンとの隙間への抜き屑の噛み込みによる抵抗増大などを防ぐことができる。   According to the present invention, the position where the push pin approaches the surface of the sheet material can be set by the position setting mechanism, and the push pin can follow the rotary drill and be supported rotatably by the rotation support mechanism. Since the push pin rotates with respect to the rotary drill, it is possible to prevent an increase in resistance due to biting of scraps into the gap between the hollow hole of the rotary drill and the push pin.

また本発明によれば、シート材料の表面近傍の高さで、回転ドリル内から押出しピンで排出された抜き屑を、除去装置でシート材料の表面から確実に除去することができる。   Further, according to the present invention, at the height near the surface of the sheet material, the chips discharged from the rotary drill by the extrusion pin can be reliably removed from the surface of the sheet material by the removing device.

さらに本発明によれば、シート材料の穿孔後に、抜き屑の少なくとも一部を穿孔部分に残すので、穿孔部分からの空気漏れを防ぐことができる。穿孔部分に残す抜き屑は、シート材料への裁断や目打ちとしての穿孔が終了した後で除去すればよく、抜き屑の処理を適切に行うことができる。   Furthermore, according to the present invention, at least a part of the scrap is left in the perforated portion after perforating the sheet material, so that air leakage from the perforated portion can be prevented. The scraps left in the perforated portion may be removed after the cutting to the sheet material or perforation as perforation is completed, and the scraps can be appropriately processed.

また本発明によれば、回転ドリルからシート材料の表面に抜き屑が排出されても、排出された抜き屑は除去されるので、裁断や目打ちの続行時に支障が生じないようにすることができる。   Further, according to the present invention, even if the scraps are discharged from the rotary drill onto the surface of the sheet material, the discharged scraps are removed, so that no trouble is caused when cutting or perforation is continued. .

図１は、本発明の一実施例としての裁断機２の目打ち装置１の概略的な構成を示す左側面図である。FIG. 1 is a left side view showing a schematic configuration of a perforation device 1 of a cutting machine 2 as an embodiment of the present invention. 図２は、図１の目打ち装置１の正面図である。FIG. 2 is a front view of the perforation device 1 of FIG. 図３は、図１の目打ち装置１で、回転ドリル５によるシート材料４の穿孔状態を示す左側面図である。FIG. 3 is a left side view showing a perforated state of the sheet material 4 by the rotary drill 5 in the perforating apparatus 1 of FIG. 図４は、図１の目打ち装置１の上部に設ける昇降ベース２０および押出しピン連結部材２１に関連する構成を示す平面図および部分的な正面図である。FIG. 4 is a plan view and a partial front view showing a configuration related to the elevating base 20 and the push pin connecting member 21 provided in the upper part of the perforation device 1 of FIG. 図５は、図１の目打ち装置１で、図４の調整部材２１の調整で実現される動作の一例を示す部分的な正面図である。FIG. 5 is a partial front view showing an example of an operation realized by adjustment of the adjustment member 21 of FIG. 4 in the perforating apparatus 1 of FIG. 図６は、図１の目打ち装置１で、図４の調整部材２１の調整で実現される動作の他の例を示す部分的な正面図である。FIG. 6 is a partial front view showing another example of the operation realized by the adjustment of the adjustment member 21 of FIG. 4 in the percussion device 1 of FIG. 図７は、本発明の他の実施例として、吸引除去装置３０を設ける場合の構成を示す部分的な左側面部である。FIG. 7 is a partial left side view showing a configuration in the case where the suction removing device 30 is provided as another embodiment of the present invention.

以下、図１〜図４で本発明の一実施例としての裁断機２の目打ち装置１の構成を説明する。図５および図６では、目打ち装置１を使用して目打ちを行う方法を説明する。図７で、本発明の他実施例に使用する吸引除去装置３０の構成を説明する。各図の説明では、当該図面には存在せずに先に説明する図には存在する符号を用いて説明したり、先に説明する図に示す部分と対応する部分には同一の参照符を付し、重複する説明を省略したりする場合がある。   The configuration of the perforation device 1 of the cutting machine 2 as an embodiment of the present invention will be described below with reference to FIGS. 5 and 6, a method for performing perforation using the perforation apparatus 1 will be described. With reference to FIG. 7, the structure of a suction removal apparatus 30 used in another embodiment of the present invention will be described. In the description of each figure, the same reference numerals are used for the parts corresponding to the parts shown in the above-described figures, or the parts that are not shown in the drawings and are described in the figures described above. In some cases, duplicate descriptions may be omitted.

図１および図２（ａ）に示す目打ち装置１は、裁断機２の裁断テーブル３の表面に沿って、平面移動する裁断ヘッドに備えられる。裁断ヘッドおよびナイフの図示は省略しているけれども、ナイフは、裁断テーブル３上に積層状態で載置されるシート材料４を、予め設定される裁断データに従って裁断する。ナイフによる裁断時に、シート材料４を保持しておくために、裁断テーブル３の表面は、剛毛ブラシ３ａなどによって構成される。剛毛ブラシ３ａは、下方からの吸引力を作用させるための通気性を保ちながら、ナイフの刃先が侵入すると、刃先から逃げる柔軟性も備えている。積層されるシート材料４の表面は、非通気性フィルム４ａで覆われる。目打ち装置１は、目打ちを行うために、中空円筒状の回転ドリル５を備えている。   The perforating device 1 shown in FIGS. 1 and 2A is provided in a cutting head that moves in a plane along the surface of the cutting table 3 of the cutting machine 2. Although the illustration of the cutting head and the knife is omitted, the knife cuts the sheet material 4 placed in a stacked state on the cutting table 3 according to preset cutting data. In order to hold the sheet material 4 when cutting with a knife, the surface of the cutting table 3 is constituted by a bristle brush 3a or the like. The bristle brush 3a also has flexibility to escape from the blade edge when the knife edge enters while maintaining air permeability for applying a suction force from below. The surface of the laminated sheet material 4 is covered with a non-breathable film 4a. The perforation device 1 includes a hollow cylindrical rotary drill 5 for perforation.

図２（ｂ）は、回転ドリル５の構成を示す。回転ドリル５は、中心軸線５ａまわりに回転する。回転ドリル５の内部には、中空孔５ｂが設けられ、下端付近の外周は、傾斜面５ｃとなり、上端付近は、柄部５ｄとなっている。傾斜面５ｃの下端は、刃先５ｅとなっており、回転しながらシート材料４を貫通させると、穿孔を行うことができる。   FIG. 2B shows the configuration of the rotary drill 5. The rotary drill 5 rotates around the central axis 5a. A hollow hole 5b is provided inside the rotary drill 5, the outer periphery near the lower end is an inclined surface 5c, and the vicinity of the upper end is a handle 5d. The lower end of the inclined surface 5c is a cutting edge 5e, and if the sheet material 4 is penetrated while rotating, perforation can be performed.

図１および図２（ａ）に示す目打ち装置１では、回転ドリル５の中空孔５ｂに抜き屑排出用の押出しピン６が挿通される。押出しピン６の上部６ａは、回転ドリル５の柄部５ｄよりも上方まで延びる。押出しピン６の下部６ｂは、下端６ｃを、図に示すように、回転ドリル５の刃先５ｅよりも下方まで下げることもできる。押出しピン６の昇降は、支持機構７によって支持されて可能となる。本実施例の支持機構７は、押出しピン６を、フットプレッサー８と連動して昇降するように、駆動手段である駆動シリンダー９によって駆動される。   In the perforating device 1 shown in FIG. 1 and FIG. 2 (a), the extrusion pin 6 for discharging chips is inserted into the hollow hole 5 b of the rotary drill 5. The upper part 6 a of the push pin 6 extends upward from the handle part 5 d of the rotary drill 5. The lower part 6b of the extrusion pin 6 can also lower the lower end 6c below the cutting edge 5e of the rotary drill 5 as shown in the figure. The push pin 6 can be lifted and lowered by being supported by the support mechanism 7. The support mechanism 7 of this embodiment is driven by a drive cylinder 9 that is drive means so that the push pin 6 is moved up and down in conjunction with the foot presser 8.

図に示す状態では、押出しピン６の下部６ｂは、下端６ｃがフットプレッサー８の底面と一致し、シート材料４の表面から間隔をあけて上昇している。押出しピン６の上部６ａおよびフットプレッサー８は、両軸タイプのエアシリンダーである駆動シリンダー９の上ロッド９ａおよび下ロッド９ｂでそれぞれ昇降移動するように駆動される。駆動シリンダー９は、二基が平行するように、ベースフレーム１０に取付けられる。ベースフレーム１０は、裁断ヘッドに取付けられる。ベースフレーム１０の上方および側方には、上方ベース１０ａおよび側方ベース１０ｂがそれぞれ取付けられる。ただし、図１では、側方ベース１０ｂの図示を省略している。なお、駆動手段としては、駆動シリンダー９ばかりではなく、モーターとボールねじの組合せなども使用することができる。また、たとえば下ロッド９ｂがベースフレーム１０を挿通する部分などには、軸受ブッシュ等が設けられるけれども、図示は省略している。   In the state shown in the drawing, the lower end 6 b of the extrusion pin 6 has a lower end 6 c that coincides with the bottom surface of the foot presser 8, and rises at an interval from the surface of the sheet material 4. The upper portion 6a of the push pin 6 and the foot presser 8 are driven to move up and down by an upper rod 9a and a lower rod 9b of a drive cylinder 9 which is a double-shaft type air cylinder. The drive cylinder 9 is attached to the base frame 10 so that the two are parallel. The base frame 10 is attached to the cutting head. An upper base 10a and a side base 10b are attached to the upper side and the side of the base frame 10, respectively. However, in FIG. 1, illustration of the side base 10b is omitted. As the driving means, not only the driving cylinder 9 but also a combination of a motor and a ball screw can be used. Further, for example, a bearing bush or the like is provided in a portion where the lower rod 9b is inserted through the base frame 10, but the illustration is omitted.

ベースフレーム１０に対しては、回転ドリル５を回転駆動するためのモータ１１も固定される。モータ１１の出力軸には、駆動プーリ１２が取付けられ、駆動プーリ１２からベルト１３を介して従動プーリ１４に回転駆動力が伝達される。ただし、図２（ａ）では、モータ１１および駆動プーリ１２の図示を省略する。従動プーリ１４は、従動軸１５に取付けられている。従動軸１５は、下方に延びて、ギヤボックス１６内の駆動ギヤ１６ａを駆動する。ギヤボックス１６は、駆動ギヤ１６ａが従動軸１５で駆動される状態で、従動軸１５に沿って上下に移動可能である。ギヤボックス１６内で、駆動ギヤ１６ａは、従動ギヤ１６ｂと噛合し、従動ギヤ１６ｂは、回転軸１７の上部に取付けられている。回転軸１７の下部は、ギヤボックス１６の下方に延び、下端にはチャック１８が取付けられる。ギヤボックス１６の上下移動は、上方に設けられる目打ちシリンダー１９から下方に延びるロッドによって行われる。   A motor 11 for rotating the rotary drill 5 is also fixed to the base frame 10. A driving pulley 12 is attached to the output shaft of the motor 11, and a rotational driving force is transmitted from the driving pulley 12 to the driven pulley 14 via the belt 13. However, illustration of the motor 11 and the drive pulley 12 is omitted in FIG. The driven pulley 14 is attached to the driven shaft 15. The driven shaft 15 extends downward and drives the drive gear 16 a in the gear box 16. The gear box 16 is movable up and down along the driven shaft 15 in a state where the drive gear 16 a is driven by the driven shaft 15. In the gear box 16, the drive gear 16 a meshes with the driven gear 16 b, and the driven gear 16 b is attached to the upper portion of the rotating shaft 17. The lower part of the rotating shaft 17 extends below the gear box 16, and a chuck 18 is attached to the lower end. The vertical movement of the gear box 16 is performed by a rod extending downward from a perforated cylinder 19 provided above.

押出しピン６の支持機構７は、駆動シリンダー９の上ロッド９ａが連結される昇降ベース２０、および昇降ベース２０に取付けられる押出しピン連結部材２１を含む。押出しピン連結部材２１の下端には、押出しピン６の上部６ａが接続される。   The support mechanism 7 for the push pin 6 includes a lift base 20 to which the upper rod 9 a of the drive cylinder 9 is connected, and a push pin connecting member 21 attached to the lift base 20. The upper portion 6 a of the push pin 6 is connected to the lower end of the push pin connecting member 21.

図２（ｂ）は、回転ドリル５と回転軸１７の下部とを接続するチャック１８付近の構成を詳細に示す。回転軸１７の下部には、すり割り１７ａが設けられている。チャック１８の部分で、回転ドリル５の柄部５ｄをすり割り１７ａに挿入し、止めねじ１８ａの先端ですり割り１７ａの外方から押圧すると、すり割り１７ａの径が縮小し、回転軸１７の下部内周に回転ドリル５の柄部５ｄの外周が押しつけられ、密着して固定される。   FIG. 2B shows in detail the configuration in the vicinity of the chuck 18 that connects the rotary drill 5 and the lower part of the rotary shaft 17. A slit 17 a is provided at the lower part of the rotating shaft 17. When the handle 5d of the rotary drill 5 is inserted into the slot 17a at the chuck 18 and pressed from the outside of the slot 17a with the tip of the set screw 18a, the diameter of the slot 17a is reduced, and the rotary shaft 17 The outer periphery of the handle portion 5d of the rotary drill 5 is pressed against the inner periphery of the lower portion and fixed in close contact.

図３は、回転ドリル５をシート材料４の表面から貫通させた状態を示す。フットプレッサー８は、回転ドリル５による穿孔開始前、シート材料４の表面を押える状態となるように、駆動シリンダー９の下ロッド９ｂが下降する。フットプレッサー８と連動して、押出しピン６も下降し、下端６ｃは、シート材料４の表面に接触して押える。回転ドリル５を回転させながら、刃先５ｅをシート材料４の表面に下降させると、刃先５ｅによってシート材料４が切断され、刃先５ｅよりも内側の部分は、抜き屑４ｂとなって回転ドリル５内の中空孔５ｂに収容される。   FIG. 3 shows a state in which the rotary drill 5 is penetrated from the surface of the sheet material 4. In the foot presser 8, the lower rod 9b of the drive cylinder 9 is lowered so that the surface of the sheet material 4 can be pressed before the drilling by the rotary drill 5 is started. In conjunction with the foot presser 8, the push pin 6 also descends, and the lower end 6 c comes into contact with and presses the surface of the sheet material 4. When the cutting edge 5e is lowered onto the surface of the sheet material 4 while rotating the rotating drill 5, the sheet material 4 is cut by the cutting edge 5e, and the inner part of the cutting edge 5e becomes scrap 4b in the rotating drill 5. Is accommodated in the hollow hole 5b.

図４は、押出しピン６をフットプレッサー８と連動させる機構を示す。図４（ａ）および図４（ｂ）に示すように、昇降ベース２０を介して、上ロッド９ａと押出しピン連結部材２１とが連結される。押出しピン連結部材２１は、頭部に内ねじ２１ａが設けられ、頭部から下部まで貫通する中空孔２１ｂも設けられる。中空孔２１ｂの下部には、押出しピン６を回転ドリル５の中心軸線５ａまわりに回転可能に支持する回転支持機構として、ベアリング２２および連結ボルト２３が収容され、押出しピン６は回転ドリル５と連れ回り可能となる。図３に示すようなフットプレッサー８の下降時に、押出しピン６の下端６ｃがシート材料４の表面に接近する位置は、押出しピン連結部材２１と止めねじ２４とによる位置設定機構で設定する。   FIG. 4 shows a mechanism for interlocking the push pin 6 with the foot presser 8. As shown in FIGS. 4A and 4B, the upper rod 9 a and the push pin connecting member 21 are connected via the elevating base 20. The push pin connecting member 21 is provided with an inner screw 21a at the head and a hollow hole 21b penetrating from the head to the lower part. A bearing 22 and a connecting bolt 23 are accommodated in the lower portion of the hollow hole 21b as a rotation support mechanism for rotatably supporting the extrusion pin 6 around the central axis 5a of the rotary drill 5. It can be turned. When the foot presser 8 is lowered as shown in FIG. 3, the position at which the lower end 6 c of the push pin 6 approaches the surface of the sheet material 4 is set by a position setting mechanism using the push pin connecting member 21 and the set screw 24.

回転ドリルに対する押出しピン６の連れ回りは、回転ドリル５の中空孔５ｂ内に収容される押出しピン６の外周面と、中空孔５ｂの内周との間の隙間への抜き屑４ｂの噛み込みなどによる抵抗増大を防止するために行う。連れ回りは、押出しピン６への非通気性フィルム４ａの巻付き防止のためにも行われる。ただし、シート材料４の材質、回転ドリル５の径、中空孔５ｂと押出しピン６との隙間の大きさなどの組合せによっては、回転ドリル５に対して押出しピン６の連れ回りを行わない方が好ましい場合もある。   The rotation of the extrusion pin 6 with respect to the rotary drill is such that the scrap 4b is caught in the gap between the outer peripheral surface of the extrusion pin 6 accommodated in the hollow hole 5b of the rotary drill 5 and the inner periphery of the hollow hole 5b. This is done to prevent an increase in resistance due to the above. The accompanying rotation is also performed to prevent the non-breathable film 4a from being wound around the push pin 6. However, depending on the combination of the material of the sheet material 4, the diameter of the rotary drill 5, the size of the gap between the hollow hole 5 b and the extrusion pin 6, it is better not to rotate the extrusion pin 6 with respect to the rotary drill 5. It may be preferable.

図４（ｃ）は、図４（ｂ）に示す中空孔２１ｂに、ゴム棒２５を挿入し、押出しピン調連結部材２１の頭部の内ねじ２１ａに押しねじ２６を螺合させて押えている状態を示す。ゴム棒２５を押しねじ２６で上方から押圧すると、ゴム棒２５の下端は連結ボルト２３の頭部を押圧し、ゴム棒２５の側面は外方に膨らみ、連れ回りを止めることができる。   4 (c), the rubber rod 25 is inserted into the hollow hole 21b shown in FIG. 4 (b), and the push screw 26 is screwed onto the inner screw 21a of the head of the push pin-like connecting member 21 and pressed. Indicates the state. When the rubber bar 25 is pressed from above with the push screw 26, the lower end of the rubber bar 25 presses the head of the connecting bolt 23, and the side surface of the rubber bar 25 swells outward, thereby stopping the rotation.

なお、押出しピン６をフットプレッサー８と連動させるように支持するだけであれば、押出しピン６の上部６ａを直接昇降ベース２０に取付けるようにしてもよい。上部６ａの昇降ベース２０に対する取付け高さの調整で、フットプレッサー８の下降時に、押出しピン６の下端６ｃがシート材料４の表面に接近する位置を調整することもできる。   If the push pin 6 is only supported so as to be interlocked with the foot presser 8, the upper portion 6 a of the push pin 6 may be directly attached to the lifting base 20. The position at which the lower end 6c of the push pin 6 approaches the surface of the sheet material 4 when the foot presser 8 is lowered can be adjusted by adjusting the height of the upper portion 6a attached to the lifting base 20.

図５は、図１〜図３に示すように、押出しピン６の下端６ｃをフットプレッサー８の底面まで下げて使用する目打ち動作を示す。図５（ａ）は、フットプレッサー８でシート材料４の表面を押えながら、シート材料４の積層厚全体まで、回転ドリル５を貫通させ、中空孔５ｂに抜き屑４ｂを収容している状態を示す。図５（ｂ）は、回転ドリル５の引上げを開始している状態を示す。抜き屑４ｂは、上部が押出しピン６の下端６ｃで押されてシート材料４の表面の高さに留まり、回転ドリル５の引上げにともない、抜き屑４ｂの下部は刃先５ｅからシート材料４の穿孔部分に排出される。図５（ｃ）は、回転ドリル５をシート材料４から引き上げた状態を示す。抜き屑４ｂの全体は、シート材料４の穿孔部分に残る。図５（ｄ）は、押出しピン６およびフットプレッサー８をシート材料４の表面から引き上げた状態を示す。抜き屑４ｂは、全部がシート材料４中の穿孔部分に残り、次の目打ちまたは裁断に移ることができる。   FIG. 5 shows a stitching operation in which the lower end 6c of the push pin 6 is lowered to the bottom surface of the foot presser 8 as shown in FIGS. FIG. 5A shows a state in which the rotary drill 5 is penetrated to the entire laminated thickness of the sheet material 4 while holding the surface of the sheet material 4 with the foot presser 8, and the scrap 4b is accommodated in the hollow hole 5b. Show. FIG. 5B shows a state where the rotary drill 5 has started to be pulled up. The upper part of the scrap 4b is pushed by the lower end 6c of the extrusion pin 6 and stays at the height of the surface of the sheet material 4. As the rotary drill 5 is pulled up, the lower part of the scrap 4b is perforated from the cutting edge 5e to the sheet material 4. Discharged into the part. FIG. 5C shows a state where the rotary drill 5 is pulled up from the sheet material 4. The entire scrap 4b remains in the perforated portion of the sheet material 4. FIG. 5D shows a state in which the extrusion pin 6 and the foot presser 8 are pulled up from the surface of the sheet material 4. All of the scrap 4b remains in the perforated portion in the sheet material 4 and can be transferred to the next perforation or cutting.

図６は、図４に示す押出しピン連結部材２１の昇降ベース２０に対する高さ調整で、押出しピン６の下端６ｃをフットプレッサー８の底面よりも上げて使用する目打ち動作を示す。ただし、押出しピン６の下端６ｃとシート材料４との間隔は、シート材料４の厚さよりも小さくなるまで近接させる。図６（ａ）は、フットプレッサー８でシート材料４の表面を押えながら、シート材料４の積層厚全体まで、回転ドリル５を貫通させ、中空孔５ｂに抜き屑４ｂを収容している状態を示す。図６（ｂ）は、回転ドリル５の引上げを開始している状態を示す。ただし、抜き屑４ｂの上部は、押出しピン６の下端６ｃに達しないので、抜き屑４ｂは、回転ドリル５の中空孔５ｂに収容される状態で、回転ドリル５とともに上昇する。図６（ｃ）は、回転ドリル５をシート材料４からさらに引き上げ、抜き屑４ｂの全体を、静止している押出しピン６の下端６ｃで回転ドリル５の刃先５ｅよりも下方に押出している状態を示す。抜き屑４ｂの下部はシート材料４の穿孔部分に残る。図６（ｄ）は、押出しピン６およびフットプレッサー８をシート材料４の表面から引き上げた状態を示す。抜き屑４ｂは、下部がシート材料４中の穿孔部分に残る。シート材料４の表面上に出る抜き屑４ｂの上部は、積層が解除されて、シート材料４の表面に散らばる。たとえば、フットプレッサー８に噴出しノズルを設ければ、シート材料４の表面に散らばらずに、一定方向に吹き飛ばすことができる。   FIG. 6 shows a stitching operation in which the lower end 6c of the push pin 6 is raised from the bottom surface of the foot presser 8 by adjusting the height of the push pin connecting member 21 shown in FIG. However, the distance between the lower end 6 c of the extrusion pin 6 and the sheet material 4 is close to the thickness of the sheet material 4 until it becomes smaller. FIG. 6A shows a state in which the rotary drill 5 is penetrated to the entire laminated thickness of the sheet material 4 while holding the surface of the sheet material 4 with the foot presser 8, and the scrap 4b is accommodated in the hollow hole 5b. Show. FIG. 6B shows a state where the rotary drill 5 has started to be pulled up. However, since the upper part of the scrap 4b does not reach the lower end 6c of the extrusion pin 6, the scrap 4b rises together with the rotary drill 5 while being accommodated in the hollow hole 5b of the rotary drill 5. FIG. 6C shows a state in which the rotary drill 5 is further pulled up from the sheet material 4 and the whole scrap 4b is extruded below the cutting edge 5e of the rotary drill 5 at the lower end 6c of the stationary extrusion pin 6. Indicates. The lower part of the scrap 4b remains in the perforated portion of the sheet material 4. FIG. 6D shows a state in which the extrusion pin 6 and the foot presser 8 are pulled up from the surface of the sheet material 4. The lower part of the scrap 4 b remains in the perforated portion in the sheet material 4. The upper part of the scraps 4 b that come out on the surface of the sheet material 4 is released from the lamination and scattered on the surface of the sheet material 4. For example, if an ejection nozzle is provided in the foot presser 8, it can be blown away in a certain direction without being scattered on the surface of the sheet material 4.

以上のように本実施例では、シート材料４の表面を押えるフットプレッサー８と連動して押出しピン６を昇降させるので、押出しピン６を単独で昇降させる機構を設ける必要はない。ただし、押出しピン６は、フットプレッサー８と共用の駆動シリンダー９ではなく、独立した駆動手段を用いて昇降するように駆動することもできる。独立させることによって、種々の排出方法を実行することができる。たとえば、中空孔５ｂに抜き屑４ｂを収容した状態で回転ドリル５をシート材料４の表面から引上げ、裁断ヘッドの移動後、シート材料４の端などの裁断テーブル３の特定位置で、押出しピン６を独立して下降させ、抜き屑４ｂを排出させることもできる。   As described above, in the present embodiment, the push pin 6 is moved up and down in conjunction with the foot presser 8 that presses the surface of the sheet material 4, so there is no need to provide a mechanism for moving the push pin 6 up and down independently. However, the push-out pin 6 can be driven to move up and down using an independent drive means instead of the drive cylinder 9 shared with the foot presser 8. By making it independent, various discharging methods can be executed. For example, the rotary drill 5 is pulled up from the surface of the sheet material 4 in a state where the scrap 4b is accommodated in the hollow hole 5b, and after the cutting head is moved, the extrusion pin 6 is placed at a specific position of the cutting table 3 such as the end of the sheet material 4 Can be lowered independently, and the scrap 4b can be discharged.

図５に示すように抜き屑４ｂの全部、または図６に示すように抜き屑４ｂの一部を穿孔後のシート材料４に残すことは、漏れ防止ばかりではなく、穿孔部分の近傍を裁断する際の精度低下を避けることにも寄与する。シート材料４を穿孔して抜き屑４ｂを完全に除去してしまうと、穿孔部分の近傍をナイフで裁断する場合、シート材料４が穿孔部分側に崩れて、裁断位置がずれ、裁断精度低下のおそれがある。穿孔部分に残す抜き屑４ｂの割合を多くすれば、裁断精度の低下を免れ易くなるけれども、後工程で穿孔部分から抜き屑４ｂを除去する手間がかかるので、漏れ防止や裁断精度の必要性との兼合いで抜き屑４ｂの割合を設定する。   As shown in FIG. 5, leaving all of the scrap 4b or a part of the scrap 4b in the sheet material 4 after punching as shown in FIG. 6 not only prevents leakage but also cuts the vicinity of the punched portion. This also contributes to avoiding deterioration in accuracy. If the sheet material 4 is perforated and the scraps 4b are completely removed, when the vicinity of the perforated portion is cut with a knife, the sheet material 4 is collapsed to the perforated portion side, the cutting position is shifted, and cutting accuracy is reduced. There is a fear. Increasing the percentage of the scrap 4b left in the perforated part makes it easier to avoid a reduction in cutting accuracy. However, since it takes time to remove the scrap 4b from the perforated part in the subsequent process, it is necessary to prevent leakage and to ensure cutting precision. The proportion of the scrap 4b is set in accordance with the above.

図７は、本発明の他の実施例として、シート材料４の表面近傍に除去装置３０を設ける構成を示す。除去装置３０は、駆動シリンダー９の下ロッド９ｂで昇降駆動されるフットプレッサー３１に組込まれる。フットプレッサー３１には吸引ホース３２が接続される。フットプレッサー３１には、噴出ノズル３３も設けられ、噴出ホース３４を介して、圧縮空気が供給される。フットプレッサー３１内でシート材料４の表面に留まるように、押出しピン６の下端６ｃで押えられている抜き屑４ｂは、噴出ノズル３３からの圧縮空気の噴出で吸引ホース３２に移動させ、吸引除去することができる。吸引力が大きければ、噴出ノズル３３を設けなくてもよい。また、吸引ホース３２などの吸引側の構成を用いず、フットプレッサー３１に出口の孔を設け、噴出ノズル３３からは噴出のみを行い、シート材料４で裁断や穿孔が終了した領域に抜き屑４ｂを吹飛ばして移動させるようにしてもよい。   FIG. 7 shows a configuration in which a removing device 30 is provided near the surface of the sheet material 4 as another embodiment of the present invention. The removing device 30 is incorporated in a foot presser 31 that is driven up and down by the lower rod 9 b of the drive cylinder 9. A suction hose 32 is connected to the foot presser 31. The foot presser 31 is also provided with an ejection nozzle 33, and compressed air is supplied through an ejection hose 34. The scrap 4b pressed by the lower end 6c of the push pin 6 so as to remain on the surface of the sheet material 4 in the foot presser 31 is moved to the suction hose 32 by the ejection of compressed air from the ejection nozzle 33, and is removed by suction. can do. If the suction force is large, the ejection nozzle 33 may not be provided. Further, without using the suction side structure such as the suction hose 32, an outlet hole is provided in the foot presser 31, only the ejection is performed from the ejection nozzle 33, and the scrap 4b is removed in the region where cutting or perforation is completed with the sheet material 4. You may make it move by blowing away.

１ 目打ち装置
２ 裁断機
３ 裁断テーブル
４ シート材料
４ａ 抜き屑
５ 回転ドリル
５ａ 中心軸線
５ｂ 中空孔
６ 押出しピン
６ｃ 下端
７ 支持機構
８，３１ フットプレッサー
９ 駆動シリンダー
１０ ベースフレーム
１６ ギヤボックス
１９ 目打ちシリンダー
２１ 押出しピン連結部材
２２ ベアリング
２３ 連結ボルト
２４ 止めねじ
２５ ゴム棒
２６ 押しねじ
３０ 除去装置 DESCRIPTION OF SYMBOLS 1 Perforation device 2 Cutting machine 3 Cutting table 4 Sheet material 4a Cutting waste 5 Rotary drill 5a Center axis 5b Hollow hole 6 Extrusion pin 6c Lower end 7 Support mechanism 8,31 Foot presser 9 Drive cylinder 10 Base frame 16 Gear box 19 Perforated cylinder 21 Extrusion pin connecting member 22 Bearing 23 Connecting bolt 24 Set screw 25 Rubber bar 26 Push screw 30 Removing device

Claims (6)

裁断テーブル上にシート材料を保持し、裁断テーブル上方を平面移動可能な裁断ヘッドに設けられるナイフでシート材料を裁断する裁断機で、裁断ヘッドにナイフとともに設けられ、裁断テーブルに対して昇降移動可能、かつ内部に抜き屑を収容可能な中空円筒状の回転ドリルで、シート材料を表面からフットプレッサーで押えながら穿孔し、回転ドリル内部には、抜き屑排出用の押出しピンを備える目打ち装置において、
押出しピンを、裁断テーブルに対して昇降可能に、かつ押出しピンの下端とシート材料の表面との間隔がシート材料の厚さよりも小さくなるまで近接可能に、支持する支持機構と、
支持機構で支持される押出しピンを、駆動して昇降させる駆動手段とを、
含むことを特徴とする裁断機の目打ち装置。 A cutting machine that holds the sheet material on the cutting table and cuts the sheet material with a knife provided on the cutting head that can be moved in a plane above the cutting table. It is provided with the knife on the cutting head and can be moved up and down with respect to the cutting table. In addition, a hollow cylindrical rotary drill capable of accommodating scraps inside, and punching while pressing the sheet material from the surface with a foot press, in the rotary drill in the perforation device provided with an extrusion pin for discharging scraps,
A support mechanism that supports the extruding pin so that it can be moved up and down relative to the cutting table, and close to the distance between the lower end of the extruding pin and the surface of the sheet material being smaller than the thickness of the sheet material;
Driving means for driving and lifting the push pin supported by the support mechanism;
A perforating device for a cutting machine, characterized by comprising: 前記駆動手段は、前記フットプレッサーと連動して、前記押出しピンが昇降するように、前記支持機構を駆動する、
ことを特徴とする請求項１記載の裁断機の目打ち装置。 The drive means drives the support mechanism so that the push pin moves up and down in conjunction with the foot presser.
The perforating device for a cutting machine according to claim 1. 前記支持機構は、
前記押出しピンの前記下端が前記シート材料の表面に接近する位置を設定する位置設定機構と、
押出しピンを前記回転ドリルの中心軸線まわりに回転可能に支持する回転支持機構とを含む、
ことを特徴とする請求項１または２記載の裁断機の目打ち装置。 The support mechanism is
A position setting mechanism for setting a position at which the lower end of the extrusion pin approaches the surface of the sheet material;
A rotation support mechanism that rotatably supports an extrusion pin about a central axis of the rotary drill,
The perforating device for a cutting machine according to claim 1 or 2, characterized in that 前記シート材料の表面近傍の高さで、前記抜き屑を除去する除去装置をさらに含む、
ことを特徴とする請求項１〜３のいずれか一つに記載の裁断機の目打ち装置。 A removal device for removing the scraps at a height near the surface of the sheet material;
The perforating device for a cutting machine according to any one of claims 1 to 3. 裁断テーブル上にシート材料を保持し、裁断テーブル上方を平面移動可能な裁断ヘッドに設けられるナイフでシート材料を裁断する裁断機で、裁断ヘッドにナイフとともに設けられ、裁断テーブルに対して昇降移動可能、かつ内部に抜き屑を収容可能な中空円筒状の回転ドリルで、シート材料に穿孔し、回転ドリル内部に備える押出しピンで抜き屑を除去する裁断機の目打ち方法において、
シート材料への穿孔後、回転ドリルをシート材料表面から引上げる際に、押出しピンを、下端がシート材料の表面に接する位置、または表面からシート材料の厚さよりも小さい間隔をあける位置に留め、回転ドリルとともに引上げられる抜き屑の上端を押えて、抜き屑の少なくとも一部を、シート材料の穿孔部分に残す、
ことを特徴とする裁断機の目打ち方法。 A cutting machine that holds the sheet material on the cutting table and cuts the sheet material with a knife provided on the cutting head that can be moved in a plane above the cutting table. It is provided with the knife on the cutting head and can be moved up and down with respect to the cutting table. In a perforating method of a cutting machine, which is a hollow cylindrical rotary drill capable of accommodating scraps inside, punched into a sheet material, and removes scraps with an extrusion pin provided inside the rotary drill.
When the rotary drill is pulled up from the surface of the sheet material after drilling into the sheet material, the extrusion pin is held at a position where the lower end is in contact with the surface of the sheet material or at a position where the distance from the surface is smaller than the thickness of the sheet material, Pressing the top of the scrap pulled up with the rotary drill, leaving at least a portion of the scrap in the perforated portion of the sheet material,
A method of perforating a cutting machine characterized by the above. 前記抜き屑のうち、前記穿孔部分に残す部分以外を、前記押出しピンで前記回転ドリル内から前記シート材料表面に排出しながら、排出された抜き屑を除去する、
ことを特徴とする請求項５記載の裁断機の目打ち方法。 The discharged scraps are removed while discharging to the surface of the sheet material from the rotary drill with the extruding pin, except for the portion left in the punched portion among the scraps.
The perforating method for a cutting machine according to claim 5.
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CN112921131B (en) * 2021-03-16 2023-01-20 叶亦兵 Leather hole puncher that polytypic freely switches
CN113977696A (en) * 2021-11-01 2022-01-28 渤海大学 Accounting document drilling machine
CN115488942A (en) * 2022-09-26 2022-12-20 淮安鸣鸿精密机械有限公司 Outer diameter cutter assembly for cotton core production
CN115488942B (en) * 2022-09-26 2023-11-10 淮安鸣鸿精密机械有限公司 Outer diameter cutter assembly for cotton core production
CN115648341A (en) * 2022-12-22 2023-01-31 河南东海复合材料有限公司 Forming device of vertical axis wind turbine blade subassembly of SMC material
CN115648341B (en) * 2022-12-22 2023-04-28 河南东海复合材料有限公司 Forming device of vertical axis wind turbine blade assembly made of SMC (sheet molding compound) materials

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CN102862184A (en) 2013-01-09
JP5828689B2 (en) 2015-12-09
CN102862184B (en) 2015-02-04
FR2977519B1 (en) 2018-01-12

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