JP5273364B2 - Sheet cutting machine - Google Patents

Sheet cutting machine Download PDF

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JP5273364B2
JP5273364B2 JP2008284246A JP2008284246A JP5273364B2 JP 5273364 B2 JP5273364 B2 JP 5273364B2 JP 2008284246 A JP2008284246 A JP 2008284246A JP 2008284246 A JP2008284246 A JP 2008284246A JP 5273364 B2 JP5273364 B2 JP 5273364B2
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cutter
cutter holder
contact
holder
lifting
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JP2010110844A (en
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友晴 近藤
聡 山田
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Howa Machinery Ltd
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Howa Machinery Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a sheet cutter smoothly exchanging cutter holders. <P>SOLUTION: A cutter lifting/lowering member 4 is provided with a pressing member 13 to be urged rearward by spring force of a spring member 15, a drive mechanism 16 for moving the pressing member 13 forward, and an engagement member 18 to be brought into contact with the front surface of the cutter holder. The cutter holder 3 having upper and back surfaces brought into contact with the mounting part 5 of the cutter lifting/lowering member 4 is made to be sandwiched by the engagement member 18 engaged with the pressing member 13 to be moved rearward by the spring force of the spring member 15 and the cutter lifting/lowering member 4, and the pressing member 13 is moved forward by the operation of the drive mechanism 16, so that the cutter holder 3 is removed from the cutter lifting/lowering member 4. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

本発明は、セラミックグリーンシートなどの柔軟なシート状ワークを切断若しくはハーフカットするシート切断機に関する。   The present invention relates to a sheet cutting machine for cutting or half-cutting a flexible sheet-like workpiece such as a ceramic green sheet.

従来、シート切断機は、平刃状のカッタを備えたカッタホルダをカッタ昇降部材の前側の取付け部に当接させ、その状態でカッタホルダをカッタ昇降部材に取付け、カッタ昇降部材の昇降により、ワークテーブル上に載置されたワークをカッタホルダのカッタによって切断若しくはハーフカットするようになっている。また、特許文献１には、平刃状のカッタを備えた固定ブロックを昇降移動するカッターラムの取付け部に当接させ、数本（４本）のボルトにより固定ブロックをカッターラムに取付けることが記載されている。特許文献２には、平刃状のカッタを備えたカッタホルダをカッタ昇降部材の取付け部に当接させ、カッタ昇降部材に備えた左右一対の取り付けボルトに係止レバーを係合させ、取り付けボルトを締め付けることで、係止レバーとカッタ昇降部材によりカッタホルダを挟持することが記載されている。
特開２００７−８３３３２号公報 特開２００８−８７０７９号公報 2. Description of the Related Art Conventionally, a sheet cutting machine has a cutter holder having a flat blade-shaped cutter brought into contact with a front mounting portion of a cutter lifting member, and in that state, the cutter holder is attached to the cutter lifting member, and the work table is moved up and down by lifting and lowering the cutter lifting member. The workpiece placed on the top is cut or half cut by the cutter of the cutter holder. Further, in Patent Document 1, a fixed block having a flat blade cutter is brought into contact with an attachment portion of a cutter ram that moves up and down, and the fixed block is attached to the cutter ram with several (four) bolts. Have been described. In Patent Document 2, a cutter holder provided with a flat blade-shaped cutter is brought into contact with a mounting portion of a cutter lifting member, a locking lever is engaged with a pair of left and right mounting bolts provided on the cutter lifting member, and the mounting bolt is attached. It is described that the cutter holder is clamped by the locking lever and the cutter lifting member by tightening.
JP 2007-83332 A JP 2008-87079 A

上記特許文献１、２のものでは、カッタの消耗やワークの材質等によりカッタを交換する場合に、カッタホルダ（固定ブロック）をカッタ昇降部材（カッターラム）に取付けている数本のボルトを狭い空間内で弛めたり締め付けたりしなければならず、カッタホルダの交換作業が容易に行えないおそれがあった。また、各ボルトの締付力が異なるとカッタホルダ（固定ブロック）を介してカッタが前後方向に傾く上にカッタが複雑な変形をするために、カッタホルダの交換をする毎にワーク加工の精度が異なるおそれがあり、各ボルトの締付力を管理しなければならずカッタホルダの交換に時間を費やす問題があった。
そこで本発明の課題は、上記問題点に鑑み、カッタホルダの交換を速やかに行うことが可能なシート切断機を提供することを目的とする。 In the above-mentioned Patent Documents 1 and 2, when exchanging the cutter due to cutter consumption, workpiece material, etc., several bolts that attach the cutter holder (fixed block) to the cutter lifting member (cutter ram) are narrow spaces. The cutter holder must be loosened or tightened, and the cutter holder may not be easily replaced. In addition, if the tightening force of each bolt is different, the cutter tilts in the front-rear direction via the cutter holder (fixed block), and the cutter deforms in a complicated manner. Therefore, the accuracy of workpiece processing differs each time the cutter holder is replaced. There is a possibility that the tightening force of each bolt must be managed, and there is a problem that it takes time to replace the cutter holder.
In view of the above problems, an object of the present invention is to provide a sheet cutting machine capable of quickly replacing a cutter holder.

本発明は、平刃状のカッタを備えたカッタホルダをカッタ昇降部材の前側の取付け部に当接させ、その状態でカッタホルダをカッタ昇降部材に取付けて成るシート切断機において、カッタ昇降部材の前側には、カッタホルダの背面を当接させる当接部と、カッタホルダの上面を当接させる位置決め部とから成る取付け部が形成され、カッタ昇降部材には、前後方向へ移動可能な押え部材と、その押え部材を後方へ付勢する付勢部材と、押え部材の後端に係合し、前記付勢部材の付勢力に抗して押え部材を前方へ移動させる駆動機構とから成る駆動装置と、カッタホルダの前面に当接させる係合部材が設けられ、カッタ昇降部材の取付け部に上面及び背面を当接させたカッタホルダを、駆動装置の付勢部材により後方へ付勢される押え部材の前端に係合した係合部材とカッタ昇降部材により挟持するようにしたことを特徴とする。前記駆動機構は、カッタ昇降部材の前方に備えたレバー部材と、カッタ昇降部材の後方に配置される板部材と、カッタ昇降部材を貫通するように配置された連結部材とから成り、レバー部材の揺動により連結部材を介して前後方向に移動可能な板部材に押え部材の後端を係合してあることを特徴とする。 The present invention relates to a sheet cutting machine in which a cutter holder having a flat blade-like cutter is brought into contact with a front mounting portion of a cutter lifting member, and the cutter holder is attached to the cutter lifting member in this state, on the front side of the cutter lifting member. Is formed with a mounting portion comprising a contact portion for contacting the back surface of the cutter holder and a positioning portion for contacting the upper surface of the cutter holder, and the cutter elevating member includes a press member movable in the front-rear direction and the presser. A driving device comprising: a biasing member that biases the member rearward ; and a driving mechanism that engages with a rear end of the pressing member and moves the pressing member forward against the biasing force of the pressing member ; and a cutter holder of the engaging member is brought into contact is provided on the front surface, the cutter holder which is brought into contact with the upper surface and back to the mounting portion of the cutter elevating member, prior to the pressing member which is urged rearward by the urging member of the drive unit Characterized in that so as to sandwich the engaging member and the cutter elevating member engaged with. The drive mechanism includes a lever member provided in front of the cutter elevating member, a plate member disposed behind the cutter elevating member, and a connecting member disposed so as to penetrate the cutter elevating member. The rear end of the presser member is engaged with a plate member that is movable in the front-rear direction via a connecting member by swinging .

本発明では、平刃状のカッタを備えたカッタホルダをカッタ昇降部材の前側の取付け部に当接させ、駆動装置の付勢部材により後方へ付勢される押え部材の前端押え部材に係合した係合部材とカッタ昇降部材により挟持するようにしたことで、複数のボルトの締付力を管理する必要がなく、カッタホルダの交換を容易に行える。
また、駆動機構をレバー部材と板部材と連結部材とから構成し、レバー部材の揺動により連結部材を介して板部材を前後方向に移動させるようにしたので、簡単な構成で安価な駆動機構となる。 In the present invention, a cutter holder having a flat blade-like cutter is brought into contact with the front mounting portion of the cutter lifting member and engaged with the front end pressing member of the pressing member urged rearward by the urging member of the driving device. Since the engagement member and the cutter lifting member are sandwiched, it is not necessary to manage the tightening force of the plurality of bolts, and the cutter holder can be easily replaced .
In addition, since the drive mechanism is composed of a lever member, a plate member, and a connecting member, and the plate member is moved in the front-rear direction via the connecting member by swinging the lever member, the drive mechanism is simple and inexpensive. It becomes.

図１に示すシート切断機１について説明する。平刃状のカッタ２を備えたカッタホルダ３をカッタ昇降部材４の前側の取付け部５に当接させ、その状態でカッタホルダ３がカッタ昇降部材４に取付けられている。前記カッタ昇降部材４の背面左右には上下方向に案内子６が取付けられている。それらの案内子６は、ワークテーブル７の上方でワークテーブル７に対して垂直な機台フレーム８の前面左右に固着した上下に長い案内レール９の上下方向に移動するように案内されている。よって、機台フレーム８に配置した駆動源１０によってカッタ昇降部材４が昇降することで、ワークテーブル７上に載置されたワークＷをカッタホルダ３のカッタ２によって切断若しくはハーフカットするようになっている。   The sheet cutting machine 1 shown in FIG. 1 will be described. A cutter holder 3 having a flat blade-like cutter 2 is brought into contact with a front mounting portion 5 of the cutter lifting member 4, and the cutter holder 3 is attached to the cutter lifting member 4 in this state. Guides 6 are attached to the right and left sides of the cutter lifting member 4 in the vertical direction. These guides 6 are guided so as to move in the vertical direction of a vertically long guide rail 9 fixed to the front left and right of the machine base frame 8 perpendicular to the work table 7 above the work table 7. Therefore, when the cutter elevating member 4 is moved up and down by the drive source 10 disposed on the machine base frame 8, the work W placed on the work table 7 is cut or half cut by the cutter 2 of the cutter holder 3. Yes.

カッタ昇降部材４の前側には、カッタホルダ３の背面を当接させる当接部１１と、カッタホルダ３の上面を当接させる位置決め部１２とから成る取付け部５が形成されている。尚、本実施形態では、前記位置決め部１２は複数のボルト部材で構成されている。カッタ昇降部材４の左右位置には、前後方向へ移動可能な押え部材１３と、その押え部材１３を前後方向へ移動させる駆動装置１４が夫々設けられている。前記駆動装置１４は、押え部材１３を後方へ付勢する付勢部材１５（例えばバネ部材）と、その押え部材１３を付勢力に抗して前方へ移動させる駆動機構１６とから成る。カッタ昇降部材４の当接部１１には段付きの貫通孔１１ａが設けられている。その貫通孔１１ａに両端をカッタ昇降部材４の前後方向に突出するように押え部材１３が配置され、押え部材１３の後端１３ｂに捩じ込んだナット部材１７と前記段付き孔１１ａ端面との間に前記バネ部材１５が介在されている。この押え部材１３の後端１３ｂに駆動機構１６が係合されている。カッタ昇降部材４には、押え部材１３の前端１３ａに係合可能な係合部材１８が備えられている。各係合部材１８は揺動可能に軸部材１９に取付けられ、カッタホルダ３の前面に当接させるようにしてある。   On the front side of the cutter lifting / lowering member 4, a mounting portion 5 is formed that includes a contact portion 11 that contacts the back surface of the cutter holder 3 and a positioning portion 12 that contacts the top surface of the cutter holder 3. In the present embodiment, the positioning portion 12 is composed of a plurality of bolt members. At the left and right positions of the cutter lifting / lowering member 4, a pressing member 13 that can move in the front-rear direction and a driving device 14 that moves the pressing member 13 in the front-rear direction are provided. The driving device 14 includes a biasing member 15 (for example, a spring member) that biases the pressing member 13 rearward, and a driving mechanism 16 that moves the pressing member 13 forward against the biasing force. A stepped through hole 11 a is provided in the contact portion 11 of the cutter lifting member 4. A presser member 13 is disposed in the through-hole 11a so that both ends protrude in the front-rear direction of the cutter elevating member 4, and a nut member 17 screwed into the rear end 13b of the presser member 13 and the end surface of the stepped hole 11a. The spring member 15 is interposed therebetween. A drive mechanism 16 is engaged with the rear end 13 b of the presser member 13. The cutter elevating member 4 is provided with an engaging member 18 that can be engaged with the front end 13 a of the pressing member 13. Each engaging member 18 is attached to a shaft member 19 so as to be swingable, and is brought into contact with the front surface of the cutter holder 3.

前記駆動機構１６について説明する。駆動機構１６は、カッタ昇降部材４の前方に備えたレバー部材２０と、カッタ昇降部材４の後方に配置される板部材２１と、カッタ昇降部材４を貫通するように配置された連結部材２２とから成る。連結部材２２の前端とレバー部材２０の基部とはピン部材２３を介して回動可能に連結され、連結部材２２の後端と板部材２１とは止め部材２４を介して移動可能に連結されている。また、レバー部材２０の基部と連結部材２２の前端との連結が偏芯しているので、レバー部材２０の揺動により連結部材２２が前後方向へ移動するようになっている。そして、連結部材２２が前方へ移動すると連結部材２２と共に板部材２１は前方へ移動し、連結部材２２が後方へ移動すると連結部材２２のみが後方へ移動するようになっている。従って、前記板部材２１の一端にバネ部材１５のバネ力により後方へ付勢される押え部材１３を係合させ、レバー部材２０のアンクランプ位置Ｂへの揺動により前方へ移動する連結部材２２、板部材２１を介して押え部材１３がバネ部材１５のバネ力に抗して前方へ移動するようになっている。また、レバー部材２０のクランプ位置Ａへの揺動により、バネ部材１５のバネ力により後方へ付勢される押え部材１３によって板部材２１が後方へ移動するようになっている。
カッタホルダ３は、本体２５とカッタ押え部材２６の間に挟み込んだ平刃状のカッタ２を複数の締付ボルト２７により挟持固定したものである。平刃状のカッタ２を備えたカッタホルダ３には前記押え部材１３の前端１３ａを通過させる取付け孔２８が設けられている。その取付け孔２８を押え部材１３を通してカッタ昇降部材４の取付け部５に、カッタホルダ３の上面及び背面を当接させるようになっている。 The drive mechanism 16 will be described. The drive mechanism 16 includes a lever member 20 provided in front of the cutter lifting member 4, a plate member 21 disposed behind the cutter lifting member 4, and a connecting member 22 disposed so as to penetrate the cutter lifting member 4. Consists of. The front end of the connecting member 22 and the base of the lever member 20 are rotatably connected via a pin member 23, and the rear end of the connecting member 22 and the plate member 21 are connected movably via a stop member 24. Yes. Further, since the connection between the base portion of the lever member 20 and the front end of the connecting member 22 is eccentric, the connecting member 22 is moved in the front-rear direction by the swing of the lever member 20. When the connecting member 22 moves forward, the plate member 21 moves forward together with the connecting member 22, and when the connecting member 22 moves backward, only the connecting member 22 moves backward. Accordingly, the pressing member 13 that is biased rearward by the spring force of the spring member 15 is engaged with one end of the plate member 21, and the connecting member 22 that moves forward by swinging the lever member 20 to the unclamping position B. The presser member 13 moves forward against the spring force of the spring member 15 via the plate member 21. In addition, the plate member 21 is moved rearward by the pressing member 13 that is biased rearward by the spring force of the spring member 15 by swinging the lever member 20 to the clamp position A.
The cutter holder 3 is obtained by sandwiching and fixing a flat blade-like cutter 2 sandwiched between a main body 25 and a cutter pressing member 26 with a plurality of fastening bolts 27. The cutter holder 3 having the flat blade-like cutter 2 is provided with an attachment hole 28 through which the front end 13a of the pressing member 13 passes. The upper surface and the rear surface of the cutter holder 3 are brought into contact with the attachment portion 5 of the cutter lifting / lowering member 4 through the attachment hole 28 through the pressing member 13.

次に、上記構成のシート切断機１において、カッタ２の消耗やワークＷの材質等によりカッタ２を備えたカッタホルダ３を交換する場合の動作について説明する。先ず、駆動源１０によりカッタ昇降部材４を昇降させ、図１のようなカッタホルダ３の交換位置に移動させる。その後、レバー部材２０のクランプ位置Ａからアンクランプ位置Ｂへの揺動（図２の状態から図３の状態）により前方へ移動する連結部材２２、板部材２１を介して押え部材１３がバネ部材１５のバネ力に抗して前方へ移動する。係合部材１８を揺動し、係合部材１８と押え部材１３の前端１３ａとの係合状態を解除することで、係合部材１８とカッタ昇降部材４によるカッタホルダ３の挟持状態を解除する。その後、カッタホルダ３をカッタ昇降部材４の取付け部５から取り外す（図４の状態）。続けて、新しいカッタ２を備えたカッタホルダ３をカッタ昇降部材４の取付け部５に当接させ、押え部材１３の前端１３ａに係合部材１８を係合させる。その後、レバー部材２０のアンクランプ位置Ｂからクランプ位置Ａへの揺動（図３の状態から図２の状態）により、バネ部材１５のバネ力により後方へ付勢される押え部材１３によって板部材２１が後方へ移動するので、押え部材１３の前端１３ａに係合した係合部材１８とカッタ昇降部材４によりカッタホルダ３を挟持することになる。   Next, in the sheet cutting machine 1 having the above-described configuration, an operation when the cutter holder 3 provided with the cutter 2 is replaced due to the consumption of the cutter 2 or the material of the workpiece W will be described. First, the cutter elevating member 4 is moved up and down by the drive source 10 and moved to the replacement position of the cutter holder 3 as shown in FIG. Thereafter, the pressing member 13 is moved by the spring member through the connecting member 22 and the plate member 21 that move forward by the swinging of the lever member 20 from the clamping position A to the unclamping position B (from the state of FIG. 2 to the state of FIG. 3). It moves forward against the spring force of 15. By swinging the engagement member 18 and releasing the engagement state between the engagement member 18 and the front end 13a of the pressing member 13, the clamping state of the cutter holder 3 by the engagement member 18 and the cutter lifting member 4 is released. Then, the cutter holder 3 is removed from the attachment part 5 of the cutter raising / lowering member 4 (state of FIG. 4). Subsequently, the cutter holder 3 having the new cutter 2 is brought into contact with the attachment portion 5 of the cutter lifting member 4, and the engaging member 18 is engaged with the front end 13 a of the pressing member 13. Thereafter, the plate member is pressed by the pressing member 13 urged rearward by the spring force of the spring member 15 by swinging the lever member 20 from the unclamping position B to the clamping position A (from the state of FIG. 3 to the state of FIG. 2). Since 21 moves backward, the cutter holder 3 is clamped by the engaging member 18 engaged with the front end 13 a of the pressing member 13 and the cutter lifting member 4.

従って、平刃状のカッタ２を備えたカッタホルダ３をカッタ昇降部材４の前側の取付け部５に当接させ、駆動装置１４の作動によって移動する押え部材１３に係合した係合部材とカッタ昇降部材４によりカッタホルダ３を挟持するようにしたことで、従来のように、複数のボルトの締付力を管理する必要がなく、カッタホルダ３の交換を容易に行うことができる。また、駆動装置１４を押え部材１３を後方へ付勢するバネ部材１５と、その押え部材１３を前方へ移動させる駆動機構１６とから構成したので、押え部材１３の移動によりカッタホルダ３がカッタ昇降部材４に取付けられ、従来に比べてカッタホルダ３の交換が迅速に行うことができる。更に、押え部材１３の前端１３ａに係合部材１８を係合し、押え部材１３の後端１３ｂに駆動機構１６を係合してあるので、カッタ昇降部材４の前側に押え部材１３を移動させる駆動機構１６を備えなくてもよく、カッタ昇降部材４の前側に取り付けたカッタホルダ３の取付け取外しを容易に行なうことができる。また、駆動機構１６をレバー部材２０と板部材２１と連結部材２２とから構成し、レバー部材２０の揺動により連結部材２２を介して板部材２１を前後方向に移動させるようにしたので、簡単な構成で安価な駆動機構１６とすることができる。   Accordingly, the cutter holder 3 having the flat blade-like cutter 2 is brought into contact with the front mounting portion 5 of the cutter lifting member 4 and the engaging member engaged with the presser member 13 moved by the operation of the driving device 14 and the cutter lifting / lowering are engaged. Since the cutter holder 3 is clamped by the member 4, it is not necessary to manage the tightening force of a plurality of bolts as in the prior art, and the cutter holder 3 can be easily replaced. Further, since the driving device 14 includes the spring member 15 that urges the pressing member 13 rearward and the driving mechanism 16 that moves the pressing member 13 forward, the cutter holder 3 is moved to the cutter lifting member by the movement of the pressing member 13. 4, the cutter holder 3 can be replaced quickly compared to the prior art. Further, since the engaging member 18 is engaged with the front end 13 a of the presser member 13 and the drive mechanism 16 is engaged with the rear end 13 b of the presser member 13, the presser member 13 is moved to the front side of the cutter lifting member 4. The drive mechanism 16 may not be provided, and the attachment / detachment of the cutter holder 3 attached to the front side of the cutter lifting / lowering member 4 can be easily performed. In addition, the drive mechanism 16 includes the lever member 20, the plate member 21, and the connecting member 22, and the plate member 21 is moved in the front-rear direction via the connecting member 22 by swinging the lever member 20. It is possible to provide an inexpensive drive mechanism 16 with a simple configuration.

他の実施形態として、図５に示すように、駆動機構１６をロッド６０ａが伸縮するように構成された機構（例えば空油圧シリンダ）６０とし、その空油圧シリンダ６０をカッタ昇降部材４の後方に配置し、その空油圧シリンダ６０のロッド６０ａをバネ部材１５Ａにより後方へ付勢される押え部材１３Ｂの後端に係合させ、図５（ｂ）のように、空油圧シリンダ６０のロッド６０ａの移動により後方へ付勢された押え部材１３Ｂを前方へ移動させるようにしてもよい。また、図５（ａ）のように、押え部材１３Ｂに係合した係合部材１８Ａとカッタ昇降部材４によりカッタホルダ３Ａが挟持されるようになっている。 As another embodiment, as shown in FIG. 5, the drive mechanism 16 and mechanism (e.g. air hydraulic cylinder) 60 that is configured to rod 60a extends or contracts, the air-hydraulic cylinder 60 to the rear of the cutter elevating member 4 The rod 60a of the pneumatic hydraulic cylinder 60 is engaged with the rear end of the pressing member 13B urged rearward by the spring member 15A, and the rod 60a of the pneumatic hydraulic cylinder 60 is engaged as shown in FIG. The pressing member 13B biased backward by the movement may be moved forward. Further, as shown in FIG. 5A , the cutter holder 3A is sandwiched between the engaging member 18A engaged with the pressing member 13B and the cutter lifting member 4.

本発明のシート切断機を示す正面図である。It is a front view which shows the sheet cutting machine of this invention. 図１のＩＩ−ＩＩ線拡大断面図である。It is the II-II line expanded sectional view of FIG. レバー部材をアンクランプ位置に揺動させた状態を示す図である。It is a figure which shows the state which rock | fluctuated the lever member to the unclamp position. カッタホルダの交換動作を示す図である。It is a figure which shows replacement | exchange operation | movement of a cutter holder. 他の実施形態を示す図である。 It is a figure which shows other embodiment.

符号の説明Explanation of symbols

１ シート切断機
２ カッタ
３ カッタホルダ
４ カッタ昇降部材
５ 取付け部
１１ 当接部
１２ 位置決め部
１３ 押え部材
１３ａ 前端
１３ｂ 後端
１４ 駆動装置
１５ バネ部材
１６ 駆動機構
１８ 係合部材
２０ レバー部材
２１ 板部材
２２ 連結部材 DESCRIPTION OF SYMBOLS 1 Sheet cutting machine 2 Cutter 3 Cutter holder 4 Cutter raising / lowering member 5 Attachment part 11 Contact part 12 Positioning part 13 Pressing member 13a Front end 13b Rear end 14 Drive device 15 Spring member 16 Drive mechanism 18 Engagement member 20 Lever member 21 Plate member 22 Connecting member

Claims (2)

平刃状のカッタを備えたカッタホルダをカッタ昇降部材の前側の取付け部に当接させ、その状態でカッタホルダをカッタ昇降部材に取付けて成るシート切断機において、カッタ昇降部材の前側には、カッタホルダの背面を当接させる当接部と、カッタホルダの上面を当接させる位置決め部とから成る取付け部が形成され、カッタ昇降部材には、前後方向へ移動可能な押え部材と、その押え部材を後方へ付勢する付勢部材と、押え部材の後端に係合し、前記付勢部材の付勢力に抗して押え部材を前方へ移動させる駆動機構とから成る駆動装置と、カッタホルダの前面に当接させる係合部材が設けられ、カッタ昇降部材の取付け部に上面及び背面を当接させたカッタホルダを、駆動装置の付勢部材により後方へ付勢される押え部材の前端に係合した係合部材とカッタ昇降部材により挟持するようにしたことを特徴とするシート切断機。 In a sheet cutting machine in which a cutter holder provided with a flat blade-shaped cutter is brought into contact with a mounting portion on the front side of the cutter lifting member, and the cutter holder is attached to the cutter lifting member in this state, the cutter holder is mounted on the front side of the cutter lifting member. A mounting portion is formed which includes a contact portion that makes contact with the back surface and a positioning portion that makes contact with the upper surface of the cutter holder. The presser member that is movable in the front-rear direction and the presser member are moved to the rear. A driving device comprising a biasing member for biasing, a driving mechanism that engages with the rear end of the pressing member and moves the pressing member forward against the biasing force of the pressing member, and a front surface of the cutter holder. engaging member for contact is provided, a cutter holder which is brought into contact with the upper surface and back to the mounting portion of the cutter elevating member, engages the front end of the pressing member is biased backward by the biasing member of the drive unit Sheet cutting machine is characterized in that so as to sandwich the engaging member and the cutter elevating member. 駆動機構は、カッタ昇降部材の前方に備えたレバー部材と、カッタ昇降部材の後方に配置される板部材と、カッタ昇降部材を貫通するように配置された連結部材とから成り、レバー部材の揺動により連結部材を介して前後方向に移動可能な板部材に押え部材の後端を係合してあることを特徴とする請求項１記載のシート切断機。 The drive mechanism includes a lever member provided in front of the cutter elevating member, a plate member disposed behind the cutter elevating member, and a connecting member disposed so as to penetrate the cutter elevating member. the sheet cutting machine according to claim 1, wherein the dynamic by are engaging the rear end of the pressing member in a plate member movable in the longitudinal direction through the connecting member.
JP2008284246A 2008-11-05 2008-11-05 Sheet cutting machine Expired - Fee Related JP5273364B2 (en)

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