JP2001150385A - Tubular member cutting device - Google Patents

Tubular member cutting device

Info

Publication number
JP2001150385A
JP2001150385A JP33510899A JP33510899A JP2001150385A JP 2001150385 A JP2001150385 A JP 2001150385A JP 33510899 A JP33510899 A JP 33510899A JP 33510899 A JP33510899 A JP 33510899A JP 2001150385 A JP2001150385 A JP 2001150385A
Authority
JP
Japan
Prior art keywords
tubular member
hollow cylindrical
cutting
cutter
cut
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP33510899A
Other languages
Japanese (ja)
Inventor
Junichi Tanigawa
潤一 谷川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzuka Fuji Xerox Manufacturing Co Ltd
Original Assignee
Suzuka Fuji Xerox Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzuka Fuji Xerox Manufacturing Co Ltd filed Critical Suzuka Fuji Xerox Manufacturing Co Ltd
Priority to JP33510899A priority Critical patent/JP2001150385A/en
Publication of JP2001150385A publication Critical patent/JP2001150385A/en
Withdrawn legal-status Critical Current

Links

Landscapes

  • Details Of Cutting Devices (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a stable cutting with a simple mechanism by surely gripping a tubular member. SOLUTION: A tubular member cutting device is composed of a hollow cylindrical member 2 rotatably inserted inside of a tubular member 1 to be cut, plural projecting members 3 having circular arc faces 31 outwardly projectable from an outer circumferential wall 21 at a position corresponding to a cutting position of the tubular member 1, of the hollow cylindrical member, plural annular elastic members 4 projecting in parallel with the circular arc faces 31 of the projecting members 3 at intervals for gripping the tubular member 1 to be cut from its inner side, and a cutter 5 engaged with an outer circumferential wall 11 between gripped parts of the tubular member 1 gripped by plural annular elastic members 4 from its inner side to cut the rotating tubular member 1.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、切断される管状部
材の内部に介挿され回転自在に配設された中空筒状部材
の前記管状部材の切断部位に対応する部位の外周壁から
外方に突出可能に配設された円弧面を備えた複数の突出
部材の円弧面に間隔を隔てて平行に突設された前記複数
の環状弾性部材によって、前記切断される管状部材を内
方から把持するとともに、カッターが前記管状部材の前
記環状弾性部材による把持部位の間の外周壁に係合する
ことにより、回転している前記管状部材を切断する管状
部材の切断装置に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hollow cylindrical member which is rotatably disposed inside a tubular member to be cut and which extends outward from an outer peripheral wall of a portion corresponding to a cut portion of the tubular member. The tubular member to be cut is gripped from the inside by the plurality of annular elastic members projecting in parallel at intervals from the arc surfaces of the plurality of projecting members provided with the arc surfaces arranged so as to be able to project therefrom. Also, the present invention relates to a tubular member cutting device that cuts the rotating tubular member by engaging a cutter with an outer peripheral wall of the tubular member between gripping portions of the annular elastic member.

【0002】[0002]

【従来の技術】従来の紙管切断装置(特開平6−182
695)は、図6および図7に示されるように紙管Pを
軸Sの外周に挿入し、軸を回転駆動すると共に回転刃N
を押し付けることによって紙を所要長さに切断する紙切
断装置において、軸内部のチューブTにエアーを入れて
軸外周から係合体Kを突出させることにより、紙管Pを
軸Sに固定するものであった。
2. Description of the Related Art A conventional paper tube cutting apparatus (Japanese Patent Laid-Open No. 6-182)
695) inserts the paper tube P around the shaft S as shown in FIGS. 6 and 7, drives the shaft to rotate, and rotates the rotary blade N
Presses the paper tube to a required length, in which the paper tube P is fixed to the shaft S by blowing air into the tube T inside the shaft and projecting the engaging body K from the outer periphery of the shaft. there were.

【0003】従来の管状ゴム切断機の芯金装置(実公平
7−27116)は、図8に示されるように棒状の芯金
CKの外周面を周方向に分割された断面円弧状の可動芯
金MCにより包囲し、可動芯金MKを軟質弾性資材によ
り円筒状に形成された弾性芯体ECにより包囲し、芯金
CKの外周部と前記各可動芯金MKの内周部との間に、
各可動芯金MKが芯金CKに対して一端方向に移動され
た際に各可動芯金MKを半径方向外方に移動させるカム
機構を設け、芯金CKの他端部に各可動芯金MKの他端
面に当接するキャップ形の押圧体を摺動可能に接合さ
せ、この押圧体を押すことにより、軸に管状ゴムARを
固定するものであった。
As shown in FIG. 8, a conventional metal core device of a tubular rubber cutting machine (actually 7-27116) is a movable core having an arc-shaped cross section obtained by dividing the outer peripheral surface of a rod-shaped core metal CK in the circumferential direction. The movable core MK is surrounded by a gold MC, and the movable core MK is surrounded by a cylindrical elastic core EC formed of a soft elastic material, and between the outer peripheral portion of the core CK and the inner peripheral portion of each of the movable cores MK. ,
A cam mechanism is provided for moving each movable core MK radially outward when each movable core MK is moved in one direction with respect to the core CK, and each movable core is provided at the other end of the core CK. A cap-shaped pressing body that is in contact with the other end face of the MK is slidably joined, and the pressing body is pressed to fix the tubular rubber AR to the shaft.

【0004】[0004]

【発明が解決しようとする課題】上記従来の紙管切断装
置は、前記軸S内部の前記チューブTにエアーを入れて
軸外周から前記係合体Kを突出させることにより、前記
紙管Pを軸Sに固定するものであるので、前記紙管Pを
軸Sに固定する固定機構およびその制御が複雑であると
いう問題があった。
In the above-described conventional paper tube cutting device, the paper tube P is pivoted by injecting air into the tube T inside the shaft S and projecting the engaging body K from the outer periphery of the shaft. Since the paper tube P is fixed to the shaft S, there is a problem that a fixing mechanism for fixing the paper tube P to the shaft S and its control are complicated.

【0005】また上記従来の管状ゴム切断機の芯金装置
は、カム機構が、棒状の芯金CKの外周部の凹欠き内に
ローラRLを回転自在に介挿するとともに、周方向に分
割された断面円弧状の可動芯金MKの内周面の軸方向に
前記ローラRLが介挿される円弧状の凹欠きを形成し
て、前記棒状の芯金CKの軸方向の位置を移動させるこ
とにより、前記ローラRLと前記円弧状の凹欠きとの位
置関係によって、前記可動芯金MKを拡開させ大径化す
るものであるため、カム機構が複雑で部品数が多く、コ
スト高となるという問題があった。
In the above-mentioned conventional metal core device of a tubular rubber cutting machine, a cam mechanism rotatably inserts a roller RL into a concave notch on an outer peripheral portion of a rod-shaped metal core CK and is divided in a circumferential direction. By forming an arc-shaped concave notch in which the roller RL is inserted in the axial direction of the inner peripheral surface of the movable core MK having an arc-shaped cross section, the axial position of the rod-shaped core CK is moved. Since the movable cored bar MK is expanded and increased in diameter by the positional relationship between the roller RL and the arc-shaped concave notch, the cam mechanism is complicated, the number of parts is increased, and the cost is increased. There was a problem.

【0006】そこで本発明者は、切断される管状部材の
内部に介挿され回転自在に配設された中空筒状部材にお
いて、前記管状部材の切断部位に対応する部位の外周壁
から外方に突出可能に配設された円弧面を備えた複数の
突出部材の円弧面に間隔を隔てて平行に突設された前記
複数の環状弾性部材によって、前記切断される管状部材
を内方から把持するとともに、カッターが前記管状部材
の前記環状弾性部材による把持部位の間の外周壁に係合
することにより、回転している前記管状部材を切断する
という本発明の技術的思想に着眼し、更に研究開発を重
ねた結果、簡単な機構によって前記管状部材を確実に把
持した状態における安定な切断を可能にするという目的
を達成する本発明に到達した。
Accordingly, the present inventor has proposed that, in a hollow cylindrical member interposed and rotatably disposed inside a tubular member to be cut, the hollow cylindrical member extends outward from an outer peripheral wall of a portion corresponding to a cut portion of the tubular member. The tubular member to be cut is gripped from the inside by the plurality of annular elastic members projecting in parallel at intervals from the arc surfaces of the plurality of projecting members having the arc surface arranged to be protrudable. At the same time, the present invention focuses on the technical idea of the present invention in which a cutter is engaged with an outer peripheral wall of the tubular member between gripping portions of the annular elastic member to cut the rotating tubular member. As a result of repeated development, the present invention has been achieved which achieves the object of enabling stable cutting in a state where the tubular member is securely held by a simple mechanism.

【0007】[0007]

【課題を解決するための手段】本発明(請求項1に記載
の第1発明)の管状部材の切断装置は、切断される管状
部材の内部に介挿され回転自在に配設された中空筒状部
材と、該中空筒状部材の前記管状部材の切断部位に対応
する部位の外周壁から外方に突出可能に配設された円弧
面を備えた複数の突出部材と、該突出部材の円弧面に間
隔を隔てて平行に突設され、前記切断される管状部材を
内方から把持する複数の環状弾性部材と、前記複数の環
状弾性部材によって内方から把持される前記管状部材の
把持部位の間の外周壁に係合することにより、回転して
いる前記管状部材を切断するカッターとから成るもので
ある。
According to a first aspect of the present invention, there is provided a tubular member cutting apparatus which is rotatably disposed inside a tubular member to be cut and rotatably disposed. -Shaped member, a plurality of protruding members having an arcuate surface disposed so as to be able to protrude outward from an outer peripheral wall of a portion of the hollow cylindrical member corresponding to the cutting portion of the tubular member, and an arc of the protruding member A plurality of annular elastic members protruding in parallel to the surface at intervals and gripping the tubular member to be cut from inside, and a gripping portion of the tubular member gripped from inside by the plurality of annular elastic members And a cutter for cutting the rotating tubular member by engaging the outer peripheral wall therebetween.

【0008】本発明(請求項2に記載の第2発明)の管
状部材の切断装置は、前記第1発明において、該突出部
材の円弧面に間隔を隔てて平行に穿設された平行溝に、
前記切断される管状部材を内方から把持する前記複数の
環状弾性部材が突設され、前記突出部材の円弧面におけ
る前記平行溝の間の前記カッターに対向する部位にカッ
ター用溝が穿設され、前記管状部材の前記外周壁に係合
して回転している前記管状部材を切断するカッターが、
前記カッター用溝内に介挿されているものである。
According to a second aspect of the present invention, there is provided the tubular member cutting device according to the first aspect, wherein the tubular member is formed in a parallel groove formed in the arc surface of the projecting member in parallel with a space therebetween. ,
The plurality of annular elastic members that grip the tubular member to be cut from inside are protruded, and a cutter groove is formed in a portion of the arc surface of the protruding member between the parallel grooves facing the cutter. A cutter that cuts the rotating tubular member while engaging with the outer peripheral wall of the tubular member,
It is inserted in the cutter groove.

【0009】本発明(請求項3に記載の第3発明)の管
状部材の切断装置は、前記第2発明において、軸部材
が、前記中空筒状部材内に軸方向往復動自在に同軸的に
介挿され、カム機構が、前記軸部材にその軸方向の移動
によって前記複数の突出部材を半径方向外方に突出させ
るように配設されているものである。
According to a third aspect of the present invention, there is provided a cutting device for a tubular member according to the second aspect, wherein the shaft member is coaxially reciprocally movable in the axial direction within the hollow cylindrical member. An interposed cam mechanism is provided on the shaft member so as to cause the plurality of projecting members to project radially outward by moving the shaft member in the axial direction.

【0010】本発明(請求項4に記載の第4発明)の管
状部材の切断装置は、前記第3発明において、左右一対
のカッターが、前記中空筒状部材に一定距離隔てて配設
された左右一対の前記複数の突出部材に対向して配設さ
れ、前記管状部材が一定長さに切断されるように構成さ
れているものである。
According to a fourth aspect of the present invention, there is provided a cutting device for a tubular member according to the third aspect, wherein a pair of right and left cutters is disposed at a predetermined distance from the hollow cylindrical member. The tubular member is disposed to face the pair of left and right projecting members so that the tubular member is cut to a predetermined length.

【0011】本発明(請求項5に記載の第5発明)の管
状部材の切断装置は、前記第4発明において、前記複数
の突出部材が、前記中空筒状部材の軸方向に対して傾斜
した下面を備え、前記中空筒状部材内に半径方向に移動
可能に介挿され、前記カム機構が、前記軸部材に一定間
隔隔てて一体的に配設された前記複数の突出部材の傾斜
下面に係合する円錐台状部材によって構成されているも
のである。
[0011] In the apparatus for cutting a tubular member according to the present invention (fifth invention according to claim 5), in the fourth invention, the plurality of protruding members are inclined with respect to the axial direction of the hollow cylindrical member. A lower surface, the cam mechanism being interposed movably in the radial direction within the hollow cylindrical member, and the cam mechanism being provided on an inclined lower surface of the plurality of projecting members integrally disposed at a fixed interval on the shaft member. It is constituted by a frusto-conical member to be engaged.

【0012】本発明(請求項6に記載の第6発明)の管
状部材の切断装置は、前記第5発明において、前記中空
筒状部材を回転駆動して、前記切断される管状部材を回
転駆動する回転駆動装置を備えているものである。
According to a sixth aspect of the present invention, there is provided the tubular member cutting apparatus according to the fifth aspect, wherein the hollow tubular member is driven to rotate, and the cut tubular member is driven to rotate. Which is provided with a rotary drive device.

【0013】本発明(請求項7に記載の第7発明)の管
状部材の切断装置は、前記第6発明において、前記中空
筒状部材内の一端と前記軸部材の一端との間に介挿さ
れ、前記複数の突出部材の突出量が減少する方向に前記
軸部材を付勢するバネ部材と、前記軸部材の他端を前記
バネ部材に抗して押圧する押圧機構を備えているもので
ある。
[0013] The tubular member cutting device of the present invention (a seventh invention according to a seventh aspect) is characterized in that, in the sixth invention, the tubular member is inserted between one end in the hollow cylindrical member and one end of the shaft member. A spring member for urging the shaft member in a direction in which the projecting amounts of the plurality of projecting members decrease, and a pressing mechanism for pressing the other end of the shaft member against the spring member. is there.

【0014】本発明(請求項8に記載の第8発明)の管
状部材の切断装置は、前記第7発明において、前記カッ
ターを、前記中空筒状部材が介挿された回転している前
記管状部材に対して、接近および後退させる第1の移動
機構を備えているものである。
In the cutting apparatus for a tubular member according to the present invention (an eighth invention according to an eighth aspect), in the seventh invention, the cutter according to the seventh invention is arranged such that the cutter rotates the tubular member having the hollow cylindrical member interposed therebetween. A first moving mechanism is provided for moving the member toward and away from the member.

【0015】本発明(請求項9に記載の第9発明)の管
状部材の切断装置は、前記第8発明において、前記切断
される管状部材の内部に前記中空筒状部材を介挿する時
には前記押圧機構を退避させ、前記管状部材を切断する
時には前記押圧機構を前進させて前記軸部材と前記押圧
機構とを同軸的に配置する第2の移動機構を備えている
ものである。
According to the present invention (a ninth aspect of the present invention), in the cutting apparatus for a tubular member according to the eighth aspect, when the hollow cylindrical member is inserted into the inside of the tubular member to be cut, When the pressing mechanism is retracted and the tubular member is cut, the pressing mechanism is advanced to provide a second moving mechanism for coaxially disposing the shaft member and the pressing mechanism.

【0016】[0016]

【発明の作用および効果】上記構成より成る第1発明の
管状部材の切断装置は、前記カッターが、切断される管
状部材の内部に介挿され回転自在に配設された前記中空
筒状部材の前記管状部材の切断部位に対応する部位の外
周壁から外方に突出可能に配設された円弧面を備えた前
記複数の突出部材の円弧面に間隔を隔てて平行に突設さ
れている前記複数の環状弾性部材によって、内方から把
持された前記管状部材の把持部位の間の外周壁に係合す
ることにより、回転している前記管状部材を切断するの
で、簡単な機構によって前記管状部材を確実に把持した
状態における安定な切断を可能にするという効果を奏す
る。
According to the first aspect of the present invention, there is provided an apparatus for cutting a tubular member according to the first aspect of the present invention, wherein the cutter is rotatably disposed with the cutter interposed inside the tubular member to be cut. The plurality of projecting members provided with arc surfaces arranged so as to be able to protrude outward from an outer peripheral wall of a portion corresponding to a cutting portion of the tubular member, and are protruded in parallel at intervals with respect to the arc surfaces of the plurality of projecting members. A plurality of annular elastic members cut the rotating tubular member by engaging an outer peripheral wall between gripping portions of the tubular member gripped from the inside, so that the tubular member can be cut by a simple mechanism. This has the effect of enabling stable cutting in a state in which is securely held.

【0017】上記構成より成る第2発明の管状部材の切
断装置は、前記第1発明において、前記突出部材の円弧
面に間隔を隔てて平行に穿設された平行溝に配置され突
設された前記複数の環状弾性部材が、前記切断される管
状部材を内方から把持するとともに、前記管状部材の前
記外周壁に係合して回転している前記管状部材を切断す
るカッターが、前記突出部材の円弧面における前記平行
溝の間の前記カッターに対向する部位に穿設されたカッ
ター用溝内に介挿され、回転している前記管状部材を切
断するので、前記カッターと前記突出部材との干渉を回
避するという効果を奏する。
In the second aspect of the present invention, the tubular member cutting device according to the first aspect of the present invention is arranged and protruded in a parallel groove formed in the arc surface of the projecting member in parallel at intervals. The plurality of annular elastic members grip the tubular member to be cut from inside, and the cutter that cuts the rotating tubular member while engaging with the outer peripheral wall of the tubular member includes the cutter member. Between the parallel grooves in the circular arc surface of the circular surface of the cutter, is inserted into a cutter groove perforated at a portion facing the cutter, and cuts the rotating tubular member, so that the cutter and the protruding member This has the effect of avoiding interference.

【0018】上記構成より成る第3発明の管状部材の切
断装置は、前記第2発明において、前記カム機構が、前
記中空筒状部材内に軸方向往復動自在に同軸的に介挿さ
れた前記軸部材の軸方向の移動によって、前記複数の突
出部材を半径方向外方に突出させるので、前記軸部材の
軸方向の移動に伴う前記複数の突出部材の半径方向外方
への突出を可能にするという効果を奏する。
According to a third aspect of the present invention, there is provided the cutting device for a tubular member according to the second aspect, wherein the cam mechanism is coaxially inserted into the hollow cylindrical member so as to be reciprocally movable in the axial direction. Since the plurality of projecting members are made to project radially outward by the axial movement of the shaft member, it is possible to project the plurality of projecting members radially outward with the axial movement of the shaft member. It has the effect of doing.

【0019】上記構成より成る第4発明の管状部材の切
断装置は、前記第3発明において、前記中空筒状部材に
一定距離隔てて配設された左右一対の前記複数の突出部
材の前記カッター用溝に対向して配設された前記左右一
対のカッターによって前記管状部材の一定長さの部位の
側壁が切断されるので、一定長さの前記管状部材の切断
を可能にするという効果を奏する。
The apparatus for cutting a tubular member according to a fourth aspect of the present invention is the same as the third aspect of the invention, except that the pair of left and right projecting members disposed on the hollow cylindrical member at a predetermined distance from each other. Since the side wall of the fixed length portion of the tubular member is cut by the pair of right and left cutters arranged opposite to the groove, an effect of enabling the cutting of the fixed length tubular member is achieved.

【0020】上記構成より成る第5発明の管状部材の切
断装置は、前記第4発明において、前記カム機構を構成
する前記軸部材に一定間隔隔てて一体的に配設された前
記円錐台状部材が、前記軸部材の軸方向の移動によっ
て、前記複数の突出部材の前記中空筒状部材の軸方向に
対して傾斜した前記傾斜下面に係合することにより、前
記複数の突出部材が、前記中空筒状部材内に半径方向に
移動するので、簡単な機構によって前記複数の突出部材
の半径方向の確実な移動および突出を可能にするという
効果を奏する。
The apparatus for cutting a tubular member according to the fifth aspect of the present invention is the truncated cone-shaped member according to the fourth aspect of the present invention, which is integrally disposed at a predetermined interval on the shaft member constituting the cam mechanism. By the axial movement of the shaft member, the plurality of projecting members engage with the inclined lower surface that is inclined with respect to the axial direction of the hollow cylindrical member, so that the plurality of projecting members are hollow. Since it moves in the radial direction into the cylindrical member, there is an effect that the plurality of projecting members can be reliably moved and projected in the radial direction by a simple mechanism.

【0021】上記構成より成る第6発明の管状部材の切
断装置は、前記第5発明において、前記回転駆動装置
が、前記中空筒状部材を回転駆動して、前記カッターに
よって回転駆動されている前記管状部材が切断されるの
で、前記管状部材の全側壁を一様に切断するという効果
を奏する。
According to a sixth aspect of the present invention, in the cutting apparatus for a tubular member according to the fifth aspect of the present invention, the rotary driving device is configured to rotate the hollow cylindrical member and to be rotationally driven by the cutter. Since the tubular member is cut, there is an effect that the entire side wall of the tubular member is cut uniformly.

【0022】上記構成より成る第7発明の管状部材の切
断装置は、前記第6発明において、前記押圧機構が、前
記中空筒状部材内の一端と前記軸部材の一端との間に介
挿され、前記複数の突出部材の突出量が減少する方向に
前記軸部材を付勢する前記バネ部材に抗して、前記軸部
材の他端を押圧して前記軸部材を軸方向に移動させるの
で、該軸部材の軸方向の移動によって、前記複数の突出
部材を前記中空筒状部材の外周壁から外方に突出させる
ことにより、前記複数の突出部材の前記円弧面に間隔を
隔てて平行に突設されている前記複数の環状弾性部材に
よって、前記管状部材を内方から確実に把持するという
効果を奏する。
According to a seventh aspect of the present invention, in the cutting apparatus for a tubular member according to the sixth aspect, the pressing mechanism is inserted between one end of the hollow cylindrical member and one end of the shaft member. Since the other end of the shaft member is pressed against the spring member that urges the shaft member in a direction in which the protrusion amounts of the plurality of projecting members decrease, the shaft member is moved in the axial direction. By projecting the plurality of projecting members outward from the outer peripheral wall of the hollow cylindrical member by moving the shaft member in the axial direction, the plurality of projecting members project in parallel with the arc surface of the plurality of projecting members at intervals. The plurality of annular elastic members provided have an effect of securely gripping the tubular member from inside.

【0023】上記構成より成る第8発明の管状部材の切
断装置は、前記第7発明において、前記第1の移動機構
が、前記カッターを前記中空筒状部材が介挿された回転
している前記管状部材に対して、接近および後退させる
ので、前記管状部材の前記中空筒状部材への介挿および
前記管状部材の切断を可能にするという効果を奏する。
According to the eighth aspect of the present invention, there is provided the cutting device for a tubular member according to the seventh aspect, wherein the first moving mechanism rotates the cutter with the hollow cylindrical member interposed therebetween. Since the tubular member is moved closer to and retracted from the tubular member, it is possible to insert the tubular member into the hollow cylindrical member and cut the tubular member.

【0024】上記構成より成る第9発明の管状部材の切
断装置は、前記第8発明において、前記第2の移動機構
が、前記切断される管状部材の内部に前記中空筒状部材
を介挿する時には前記押圧機構を退避させ、前記管状部
材を切断する時には前記押圧機構を前進させて前記軸部
材と前記押圧機構とを同軸的に配置するので、前記管状
部材の前記中空筒状部材への介挿および前記管状部材の
切断を可能にするという効果を奏する。
According to a ninth aspect of the present invention, the second moving mechanism inserts the hollow cylindrical member into the tubular member to be cut. Sometimes, the pressing mechanism is retracted, and when cutting the tubular member, the pressing mechanism is advanced to arrange the shaft member and the pressing mechanism coaxially, so that the tubular member is inserted into the hollow cylindrical member. This has the effect of enabling insertion and cutting of the tubular member.

【0025】[0025]

【発明の実施の形態】以下本発明の実施の形態につき、
図面を用いて説明する。
BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described.
This will be described with reference to the drawings.

【0026】(実施形態)本実施形態の管状部材の切断
装置は、図1ないし図5に示されるように切断される管
状部材1の内部に介挿され回転自在に配設された中空筒
状部材2と、該中空筒状部材2の前記管状部材1の切断
部位に対応する部位の外周壁21から外方に突出可能に
配設された円弧面31を備えた複数の突出部材3と、該
突出部材3の前記円弧面31に間隔を隔てて平行に突設
され、前記切断される管状部材1を内方から把持する複
数の環状弾性部材4と、前記複数の環状弾性部材4によ
って内方から把持される前記管状部材1の把持部位の間
の外周壁11に係合することにより、回転している前記
管状部材1を切断するカッター5とから成るものであ
る。
(Embodiment) As shown in FIGS. 1 to 5, a tubular member cutting apparatus according to this embodiment is a hollow cylindrical member which is inserted inside a tubular member 1 to be cut and rotatably disposed. A plurality of projecting members 3 having a member 2 and an arcuate surface 31 disposed so as to be able to protrude outward from an outer peripheral wall 21 of a portion of the hollow cylindrical member 2 corresponding to a cutting portion of the tubular member 1; A plurality of annular elastic members 4 projecting in parallel with the arcuate surface 31 of the projecting member 3 at intervals and holding the tubular member 1 to be cut from inside; And a cutter 5 for cutting the rotating tubular member 1 by engaging with the outer peripheral wall 11 between the gripping portions of the tubular member 1 gripped from the side.

【0027】前記中空筒状部材2は、図1ないし図4に
示されるように一端に円形開口部22を設けるととも
に、他端にフランジ部23が固着された中空シャフト2
0によって構成され、前記円弧面31を備えた前記複数
の突出部材3を構成する円周方向90度毎にラジアル方
向に摺動できる4個のブロック30がそれぞれ介挿され
る4個の半径穴24が形成されている。
As shown in FIGS. 1 to 4, the hollow cylindrical member 2 has a hollow shaft 22 having a circular opening 22 at one end and a flange 23 fixed to the other end.
And four radial holes 24 in which four blocks 30 slidable in the radial direction every 90 degrees in the circumferential direction constituting the plurality of protruding members 3 having the arc surface 31 are inserted. Are formed.

【0028】軸部材6が、図1ないし図4に示されるよ
うに前記中空筒状部材2の内部に軸方向往復動自在に同
軸的に介挿されるとともに、カム機構61が、前記軸部
材6にその軸方向の移動によって前記複数の突出部材3
を半径方向外方に突出させるように配設されている。
As shown in FIGS. 1 to 4, the shaft member 6 is coaxially inserted in the hollow cylindrical member 2 so as to be reciprocally movable in the axial direction. The plurality of projecting members 3 are moved in the axial direction.
Are disposed so as to project radially outward.

【0029】前記複数の突出部材3が、前記中空筒状部
材2の軸方向に対して傾斜した円弧状下面32を備え、
前記中空筒状部材2内に半径方向に移動可能に介挿さ
れ、前記カム機構61が、前記軸部材6において一定間
隔隔てて一体的に配設された前記複数の突出部材3の前
記傾斜下面32に係合する楔状の円錐台状部材610に
よって構成されている。
The plurality of projecting members 3 have an arcuate lower surface 32 inclined with respect to the axial direction of the hollow cylindrical member 2,
The inclined lower surface of the plurality of protruding members 3 which are inserted in the hollow cylindrical member 2 so as to be movable in the radial direction, and wherein the cam mechanism 61 is integrally disposed at predetermined intervals on the shaft member 6. 32 is formed by a wedge-shaped truncated conical member 610 that engages with the thirty-two.

【0030】前記突出部材3の外周側の前記円弧面31
に短い一定間隔を隔てて平行に穿設された平行溝311
に、前記切断される管状部材1を内方から把持する前記
複数の環状弾性部材4としてのゴム製のOリングが介挿
突設されている。
The circular arc surface 31 on the outer peripheral side of the projecting member 3
Parallel grooves 311 formed in parallel at short intervals
In addition, rubber O-rings as the plurality of annular elastic members 4 for gripping the tubular member 1 to be cut from inside are inserted and projected.

【0031】前記突出部材3は、その前記外周側の円弧
面31における前記平行溝311の間の前記カッター5
に対向する部位にカッター用溝312が穿設され、前記
管状部材1の前記外周壁10に係合して回転している前
記管状部材1を切断するカッター5が、切断時において
は前記カッター用溝312内に介挿されるように構成さ
れている。前記平行溝311およびカッター用溝312
は、図2に示されるように前記中空筒状部材2の外周壁
の対応位置にも同様に形成されている。
The protruding member 3 is provided between the parallel groove 311 and the cutter 5 on the arcuate surface 31 on the outer peripheral side.
A groove 312 for a cutter is formed at a position facing the outer peripheral wall 10 of the tubular member 1, and the cutter 5 for cutting the rotating tubular member 1 while engaging with the outer peripheral wall 10 is used for cutting. It is configured to be inserted into the groove 312. The parallel groove 311 and the cutter groove 312
Are similarly formed at corresponding positions on the outer peripheral wall of the hollow cylindrical member 2 as shown in FIG.

【0032】左右一対のカッター5が、図1および図5
に示されるように前記中空筒状部材2に一定距離隔てて
配設された左右一対の前記複数の突出部材3の前記カッ
ター用溝312に対向して一定距離(管状部材1の切断
長さに対応して)隔てて配設され、前記管状部材1が一
定長さに切断されるように構成されている。
The pair of right and left cutters 5 are shown in FIGS.
As shown in FIG. 3, a predetermined distance (to the cutting length of the tubular member 1) is opposed to the cutter groove 312 of the pair of left and right projecting members 3 disposed at a predetermined distance from the hollow cylindrical member 2. (Correspondingly) arranged so that the tubular member 1 is cut to a certain length.

【0033】前記中空筒状部材2を回転駆動させ、前記
切断される管状部材1を回転駆動させる回転駆動装置7
は、図5に示されるようにモータ70によって構成さ
れ、その軸端に配設された第1のプーリ71の回転を、
タイミングベルト72を介して、前記中空筒状部材2を
構成する前記中空シャフト20の他端に固着された前記
フランジ部23と一体的に回転するようにベアリングに
よって軸支された第2のプーリ73に伝達され、前記中
空筒状部材2に装着された前記切断される管状部材1が
回転駆動される。
A rotary drive unit 7 for rotating the hollow cylindrical member 2 and for rotating the tubular member 1 to be cut.
Is configured by a motor 70 as shown in FIG. 5, and controls the rotation of the first pulley 71 disposed at the shaft end thereof.
A second pulley 73 supported by a bearing via a timing belt 72 so as to rotate integrally with the flange portion 23 fixed to the other end of the hollow shaft 20 constituting the hollow cylindrical member 2. And the cut tubular member 1 mounted on the hollow cylindrical member 2 is rotationally driven.

【0034】押圧機構8は、図1、図2および図5に示
されるように前記中空筒状部材2内の一端を構成する前
記フランジ部23と前記軸部材6の一端に一体的に配設
され前記中空筒状部材2内の一端側の一定長さに亘り内
径が大きく形成された段部25内に介挿されているフラ
ンジ状の抜け止めプレート62との間に介挿され、前記
複数の突出部材3の突出量が減少する方向に前記軸部材
6を付勢するバネ部材の一例としてのコイルスプリング
81に抗して前記軸部材6の他端を構成する端部ブロッ
ク63の端部中央の円錐穴に当接係合するとともにガイ
ド83に沿って移動する回転可能なセンター押え82を
介して、前記軸部材6を図中左方に押圧するエアシリン
ダ80によって構成されている。
As shown in FIGS. 1, 2 and 5, the pressing mechanism 8 is provided integrally with the flange 23 forming one end of the hollow cylindrical member 2 and one end of the shaft member 6. The hollow cylindrical member 2 is inserted between a flange-shaped stopper plate 62 inserted in a step 25 having a large inner diameter over a certain length on one end side of the hollow cylindrical member 2, The end of an end block 63 that constitutes the other end of the shaft member 6 against a coil spring 81 as an example of a spring member that biases the shaft member 6 in a direction in which the amount of protrusion of the protrusion member 3 decreases. An air cylinder 80 presses the shaft member 6 to the left in the drawing via a rotatable center retainer 82 which abuts and engages a central conical hole and moves along a guide 83.

【0035】第1の移動機構91は、図5に示されるよ
うに前記左右一対のカッターが配設された移動部材91
1をガイド912に沿って移動さけるエアシリンダ91
0によって構成され、前記中空筒状部材2が介挿された
回転している前記管状部材1に対して、接近および後退
させるように構成されている。
As shown in FIG. 5, the first moving mechanism 91 is a moving member 91 on which the pair of right and left cutters is disposed.
1. Air cylinder 91 for moving 1 along guide 912
0 and is configured to approach and retreat from the rotating tubular member 1 in which the hollow tubular member 2 is inserted.

【0036】第2の移動機構92は、図5に示されるよ
うに前記押圧機構8を構成するエアシリンダ80が配設
された移動部材921をガイド922に沿って移動させ
るエアシリンダ920によって構成され、前記切断され
る管状部材1の内部に前記中空筒状部材2を介挿する時
には前記中空筒状部材2の介挿の邪魔にならないように
前記押圧機構8が載置された前記移動部材921を退避
させ、前記管状部材1を切断する時には前記押圧機構8
を前進させて前記軸部材6と前記押圧機構8とを同軸的
に配置するように構成されている。
The second moving mechanism 92 is constituted by an air cylinder 920 for moving a moving member 921 provided with an air cylinder 80 constituting the pressing mechanism 8 along a guide 922 as shown in FIG. The moving member 921 on which the pressing mechanism 8 is mounted so as not to hinder the insertion of the hollow cylindrical member 2 when the hollow cylindrical member 2 is inserted inside the tubular member 1 to be cut. When the tubular member 1 is cut off, the pressing mechanism 8 is retracted.
Is advanced so that the shaft member 6 and the pressing mechanism 8 are coaxially arranged.

【0037】上記構成より成る本実施形態の管状部材の
切断装置は、前記カッター5が、切断される前記管状部
材1の内部に介挿され回転自在に配設された前記中空筒
状部材2の前記管状部材1の切断部位に対応する部位の
前記外周壁10から外方に突出可能に配設された前記複
数の突出部材3の外周側の前記円弧面31に間隔を隔て
て平行に突設されている前記複数の環状弾性部材4によ
って、内方から平行に把持された前記管状部材1の把持
部位の間の外周壁10に係合することにより、回転して
いる前記管状部材を切断するものである。
In the tubular member cutting apparatus according to the present embodiment having the above-described structure, the cutter 5 is inserted into the tubular member 1 to be cut, and the hollow tubular member 2 is rotatably disposed. The plurality of protruding members 3, which are disposed so as to be able to protrude outward from the outer peripheral wall 10 at portions corresponding to the cut portions of the tubular member 1, protrude in parallel at intervals from the arc surface 31. The rotating tubular member is cut by engaging the outer peripheral wall 10 between the gripping portions of the tubular member 1 gripped in parallel from the inside by the plurality of annular elastic members 4. Things.

【0038】前記突出部材3の前記外周側円弧面31に
間隔を隔てて平行に穿設された平行溝311に配置され
突設された前記複数の環状弾性部材4が、前記切断され
る管状部材1を内方から把持するとともに、前記管状部
材1の前記外周壁10に係合して回転している前記管状
部材1を切断する前記カッター5が、前記突出部材3の
前記円弧面31における前記平行溝311の間の前記カ
ッター5に対向する部位に穿設されたカッター用溝31
2内に介挿され、回転している前記管状部材を切断す
る。
The plurality of annular elastic members 4 arranged and projected in parallel grooves 311 formed in parallel with the outer peripheral side arcuate surface 31 of the projecting member 3 at a distance from each other are formed by the tubular member to be cut. The cutter 5 that cuts the rotating tubular member 1 while engaging with the outer peripheral wall 10 of the tubular member 1 while gripping the inside 1 from the inside, A cutter groove 31 formed in a portion between the parallel grooves 311 facing the cutter 5
2. Cutting the rotating tubular member inserted in 2.

【0039】前記カム機構61が、前記中空筒状部材2
内に軸方向往復動自在に同軸的に介挿された前記軸部材
6の軸方向の移動によって、前記複数の突出部材3を半
径方向外方に突出させるので、前記軸部材6の軸方向の
移動に伴う前記複数の突出部材3の半径方向外方へ突出
させる。
The cam mechanism 61 is provided with the hollow cylindrical member 2.
The plurality of projecting members 3 project radially outward by the axial movement of the shaft member 6 coaxially inserted in the shaft member so as to be reciprocally movable in the axial direction. The plurality of protruding members 3 are caused to protrude radially outward with the movement.

【0040】前記中空筒状部材2に一定距離隔てて配設
された左右一対の前記複数の突出部材3の前記カッター
用溝312に対向して配設された前記左右一対のカッタ
ー5によって、前記管状部材1の一定長さの部位の側壁
10が切断されるので、前記管状部材を一定長さに切断
する。
The pair of left and right cutters 5 disposed opposite the cutter grooves 312 of the pair of left and right projecting members 3 disposed at a predetermined distance from the hollow cylindrical member 2, Since the side wall 10 of the fixed length portion of the tubular member 1 is cut, the tubular member is cut to a fixed length.

【0041】前記カム機構61を構成する前記軸部材6
に一定間隔隔てて一体的に配設された前記円錐台状部材
610が、前記軸部材6の軸方向の移動によって、前記
複数の突出部材3の前記中空筒状部材2の軸方向に対し
て傾斜した前記傾斜下面32に係合することにより、前
記複数の突出部材3が、前記中空筒状部材2内に半径方
向に移動するので、前記複数の突出部材3を半径方向に
移動および突出させる。
The shaft member 6 constituting the cam mechanism 61
The frusto-conical member 610 integrally disposed at a constant interval in the axial direction of the shaft member 6 causes the plurality of protruding members 3 to move in the axial direction of the hollow cylindrical member 2. By engaging the inclined lower surface 32, the plurality of projecting members 3 move radially into the hollow cylindrical member 2, so that the plurality of projecting members 3 move and project in the radial direction. .

【0042】前記回転駆動装置7を構成する前記モータ
70が、前記中空筒状部材2を回転駆動して、前記カッ
ター5によって 回転駆動されている前記管状部材1が
切断される。
The motor 70 constituting the rotary driving device 7 drives the hollow cylindrical member 2 to rotate, and the cutter 5 rotates and cuts the tubular member 1.

【0043】前記押圧機構8を構成するエアシリンダ8
0が、前記中空筒状部材2内の一端と前記軸部材6の一
端との間に介挿され、前記複数の突出部材の突出量が減
少する方向に前記軸部材を付勢する前記バネ部材81に
抗して、前記軸部材6の他端を押圧して前記軸部材6を
軸方向に移動させるので、該軸部材6の軸方向の移動に
よって、前記複数の突出部材3を前記中空筒状部材2の
外周壁から外方に突出させることにより、前記複数の突
出部材3の前記円弧面31に間隔を隔てて平行に突設さ
れている前記複数の環状弾性部材4としてのOリングに
よって、前記管状部材1を内方から確実に把持する。
Air cylinder 8 constituting the pressing mechanism 8
0 is inserted between one end in the hollow cylindrical member 2 and one end of the shaft member 6, and the spring member biases the shaft member in a direction in which the protrusion amounts of the plurality of protrusion members decrease. Since the other end of the shaft member 6 is pressed against the shaft member 81 to move the shaft member 6 in the axial direction, the plurality of projecting members 3 are moved by the axial movement of the shaft member 6. O-rings as the plurality of annular elastic members 4 protruding outward from the outer peripheral wall of the shaped member 2 so as to be parallel to the plurality of projecting members 3 at intervals on the arc surface 31 of the plurality of projecting members 3. Thus, the tubular member 1 is securely held from the inside.

【0044】前記第1の移動機構91を構成するエアシ
リンダ910が、前記カッター5を前記中空筒状部材2
が介挿された回転している前記管状部材1に対して、接
近および後退させるので、前記管状部材1の前記中空筒
状部材2への介挿および前記管状部材の切断を可能にす
る。
An air cylinder 910 constituting the first moving mechanism 91 is adapted to connect the cutter 5 to the hollow cylindrical member 2.
Is approached and retracted with respect to the rotating tubular member 1 in which is inserted, so that the tubular member 1 can be inserted into the hollow cylindrical member 2 and the tubular member can be cut.

【0045】前記第2の移動機構92を構成するエアシ
リンダ920が、前記切断される管状部材1の内部に前
記中空筒状部材2を介挿する時には前記押圧機構8を退
避させ、前記管状部材1を切断する時には前記押圧機構
8を前進させて前記軸部材6と前記押圧機構8とを同軸
的に配置するので、前記管状部材1の前記中空筒状部材
2への介挿および前記管状部材1の切断を可能にする。
When the air cylinder 920 constituting the second moving mechanism 92 inserts the hollow tubular member 2 into the tubular member 1 to be cut, the pressing mechanism 8 is retracted, and the tubular member 1 is retracted. When the cutting device 1 is cut, the pressing mechanism 8 is advanced so that the shaft member 6 and the pressing mechanism 8 are coaxially arranged, so that the tubular member 1 is inserted into the hollow cylindrical member 2 and the tubular member is 1 can be cut.

【0046】上記作用を奏する本実施形態の管状部材の
切断装置は、前記カッター5が、前記複数の突出部材3
の外周側の前記円弧面31に間隔を隔てて平行に突設さ
れている前記複数の環状弾性部材4としての市販のOリ
ングによって、内方から平行に把持された前記管状部材
1の把持部位の間の外周壁10に係合することにより、
回転している前記管状部材を切断するので、簡単で且つ
安価な機構および部品によって前記管状部材1を確実に
把持した状態における安定な切断を可能にするという効
果を奏する。
In the apparatus for cutting a tubular member according to the present embodiment having the above-described operation, the cutter 5 may be configured such that the plurality of projecting members 3
Gripping portions of the tubular member 1 gripped in parallel from the inside by commercially available O-rings as the plurality of annular elastic members 4 projecting in parallel with the arc surface 31 at intervals on the outer peripheral side of the outer peripheral surface of the tubular member 1 By engaging with the outer peripheral wall 10 between
Since the rotating tubular member is cut, there is an effect that a stable and inexpensive mechanism and components enable stable cutting in a state where the tubular member 1 is securely held.

【0047】すなわち前記開口部22を設けた中空シャ
フト20にラジアル方向に形成された半径穴24を摺動
できる4個のブロック30を設け、該摺動ブロック30
および中空シャフト20のワーク切断位置には3本の溝
311、312を設け、切断位置にはカット用刃の刃先
保護用の溝312が形成され、両サイド溝311には市
販O−リングを装着して、半径方向外方に突出させると
ともに、前記中空シャフト20に2個のテーパ形状のく
さび部610を一体的に形成したシャフト6を挿入し
て、抜け止めプレート62およびリターン用バネ81を
組付けて、管状部材1のワークを中空シャフト20の外
側へ被せる様にセットして、くさび部610が形成され
たシャフト6の後端部63を押すと、前記摺動ブロック
30の内周面32がシャフト6の前記くさび部610の
テーパに沿って上昇し、前記O−リングの外径部でワー
ク内面の平行把持が出来るようにしたので、上記本実施
形態装置を構成する部品は、市販品および既存機械加工
技術で準備でき、組立て性も良好である。
That is, the hollow shaft 20 provided with the opening 22 is provided with four blocks 30 which can slide through the radial holes 24 formed in the radial direction.
In addition, three grooves 311 and 312 are provided at the work cutting position of the hollow shaft 20, and a groove 312 for protecting the cutting edge of the cutting blade is formed at the cutting position, and a commercially available O-ring is attached to both side grooves 311. Then, the shaft 6 having two tapered wedges 610 formed integrally with the hollow shaft 20 is inserted into the hollow shaft 20 so as to project outward in the radial direction, and the retaining plate 62 and the return spring 81 are assembled. Then, when the work of the tubular member 1 is set so as to cover the outside of the hollow shaft 20 and the rear end 63 of the shaft 6 on which the wedge portion 610 is formed is pushed, the inner peripheral surface 32 of the sliding block 30 is pressed. Rises along the taper of the wedge portion 610 of the shaft 6 so that the inner surface of the work can be gripped in parallel at the outer diameter of the O-ring. Goods are ready in commercial products and existing machining techniques, assembling property is good.

【0048】また本実施形態の管状部材の切断装置は、
前記カッター5が、前記突出部材3の前記円弧面31に
おける前記平行溝311の間の前記カッター5に対向す
る部位に穿設されたカッター用溝312内に介挿され、
回転している前記管状部材を切断するので、前記カッタ
ー5と前記突出部材3との干渉を回避して、カッター5
の刃先を保護するという効果を奏する。
Further, the apparatus for cutting a tubular member according to the present embodiment comprises:
The cutter 5 is inserted into a cutter groove 312 formed in a portion facing the cutter 5 between the parallel grooves 311 on the arc surface 31 of the projecting member 3,
Since the rotating tubular member is cut, interference between the cutter 5 and the protruding member 3 is avoided, and the cutter 5
This has the effect of protecting the cutting edge.

【0049】さらに本実施形態の管状部材の切断装置
は、前記カム機構61が、前記中空筒状部材2内に軸方
向往復動自在に同軸的に介挿された前記軸部材6の軸方
向の移動によって、前記複数の突出部材3を半径方向外
方に突出させるので、前記軸部材6の軸方向の移動に伴
う前記複数の突出部材3の半径方向外方への突出を可能
にするという効果を奏する。
Further, in the tubular member cutting apparatus of this embodiment, the cam mechanism 61 is coaxially inserted in the hollow cylindrical member 2 so as to be reciprocally movable in the axial direction. The movement causes the plurality of projecting members 3 to project outward in the radial direction, so that the plurality of projecting members 3 can project outward in the radial direction as the shaft member 6 moves in the axial direction. To play.

【0050】また本実施形態の管状部材の切断装置は、
前記中空筒状部材2に一定距離隔てて配設された左右一
対の前記複数の突出部材3の前記カッター用溝312に
対向して配設された前記左右一対のカッター5によっ
て、前記管状部材1の一定長さの部位の側壁10が切断
されるので、前記管状部材を一定長さに切断するため、
前記管状部材1の一定長さの切断を可能にするととも
に、左右一対の前記複数の突出部材3の配設位置および
前記中空筒状部材2の直径を変更することにより、種々
の製品長や内径の前記管状部材1のワークに対応できる
という効果を奏する。
The tubular member cutting apparatus according to the present embodiment comprises:
The tubular member 1 is formed by the pair of left and right cutters 5 disposed opposite the cutter grooves 312 of the pair of left and right projecting members 3 disposed at a predetermined distance from the hollow cylindrical member 2. Since the side wall 10 of a portion having a certain length is cut, in order to cut the tubular member to a certain length,
Various lengths and inner diameters of the product can be obtained by changing the arrangement positions of the pair of left and right projecting members 3 and the diameter of the hollow cylindrical member 2 while enabling the tubular member 1 to be cut to a fixed length. It is possible to achieve an effect that the above-mentioned work of the tubular member 1 can be handled.

【0051】上述の実施形態は、説明のために例示した
もので、本発明としてはそれらに限定されるものでは無
く、特許請求の範囲、発明の詳細な説明および図面の記
載から当業者が認識することができる本発明の技術的思
想に反しない限り、変更および付加が可能である。
The above-described embodiments have been described by way of example only, and the present invention is not limited to these embodiments. Those skilled in the art will recognize from the claims, the detailed description of the invention, and the drawings. Modifications and additions are possible without departing from the technical idea of the present invention.

【0052】上述の実施形態は、一例として前記突出部
材3の前記円弧面31における前記平行溝311の間の
前記カッター5に対向する部位にカッター用溝312が
穿設され、カッター5の刃がカッター用溝312内に介
挿され、カッター5の刃との干渉を避ける例について説
明したが、本発明としてはそれらに限定されるものでは
無く、例えば前記複数の環状弾性部材として矩形横断面
形状であって切断するカッター5の刃との干渉を避ける
ためにカッター5の刃と前記突出部材3の前記円弧面3
1との間に充分な高さを確保できるものであれば、上記
カッター用溝312を前記突出部材3の前記円弧面31
に形成しない実施形態を採用することも可能である。
In the above-described embodiment, as an example, a cutter groove 312 is formed in the arcuate surface 31 of the protruding member 3 at a position between the parallel grooves 311 and facing the cutter 5, and the blade of the cutter 5 is provided. The example in which the interference with the blade of the cutter 5 is avoided by being inserted in the cutter groove 312 has been described. However, the present invention is not limited thereto. In order to avoid interference with the blade of the cutter 5 to be cut, the blade of the cutter 5 and the arc surface 3 of the projecting member 3 are used.
If the cutter groove 312 can secure a sufficient height between the protruding member 3 and the arcuate surface 31
It is also possible to adopt an embodiment that is not formed in the above.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の実施形態の管状部材の切断装置の要部
構成を示す断面図である。
FIG. 1 is a cross-sectional view illustrating a main configuration of a tubular member cutting device according to an embodiment of the present invention.

【図2】本実施形態の管状部材の切断装置の要部構成を
示す斜視図である。
FIG. 2 is a perspective view showing a configuration of a main part of the tubular member cutting device of the present embodiment.

【図3】本実施形態における切断部を示す部分縦断面図
である。
FIG. 3 is a partial longitudinal sectional view showing a cut portion in the embodiment.

【図4】本実施形態における切断部を示す図3中A−A
線に沿う部分横断面図である。
FIG. 4 is a cross-sectional view taken along line AA in FIG.
It is a partial cross-sectional view along a line.

【図5】本実施形態の管状部材の切断装置の全体構成を
示す平面図である。
FIG. 5 is a plan view showing the overall configuration of the tubular member cutting device of the present embodiment.

【図6】従来の紙管切断装置を示す断面図である。FIG. 6 is a sectional view showing a conventional paper tube cutting device.

【図7】従来の紙管切断装置の要部を示す拡大断面図で
ある。
FIG. 7 is an enlarged sectional view showing a main part of a conventional paper tube cutting device.

【図8】従来の管状ゴム切断機の芯金装置の要部を示す
拡大横断面図である。
FIG. 8 is an enlarged cross-sectional view showing a main part of a cored bar device of a conventional tubular rubber cutting machine.

【符号の説明】[Explanation of symbols]

1 管状部材1 2 中空筒状部材 3 突出部材 4 環状弾性部材 5 カッター 11 外周壁 21 外周壁 31 円弧面 DESCRIPTION OF SYMBOLS 1 Tubular member 1 2 Hollow cylindrical member 3 Projecting member 4 Annular elastic member 5 Cutter 11 Outer peripheral wall 21 Outer peripheral wall 31 Arc surface

Claims (9)

【特許請求の範囲】[Claims] 【請求項1】 切断される管状部材の内部に介挿され回
転自在に配設された中空筒状部材と、 該中空筒状部材の前記管状部材の切断部位に対応する部
位の外周壁から外方に突出可能に配設された円弧面を備
えた複数の突出部材と、 該突出部材の円弧面に間隔を隔てて平行に突設され、前
記切断される管状部材を内方から把持する複数の環状弾
性部材と、 前記複数の環状弾性部材によって内方から把持される前
記管状部材の把持部位の間の外周壁に係合することによ
り、回転している前記管状部材を切断するカッターとか
ら成ることを特徴とする管状部材の切断装置。
1. A hollow cylindrical member interposed and rotatably disposed inside a tubular member to be cut, and a hollow cylindrical member outside of a portion of the hollow cylindrical member corresponding to a cutting portion of the tubular member. A plurality of protruding members provided with an arc surface arranged so as to be able to protrude in the opposite direction; An annular elastic member, and a cutter that cuts the rotating tubular member by engaging an outer peripheral wall between gripping portions of the tubular member gripped from inside by the plurality of annular elastic members. An apparatus for cutting a tubular member.
【請求項2】 請求項1において、 該突出部材の円弧面に間隔を隔てて平行に穿設された平
行溝に、前記切断される管状部材を内方から把持する前
記複数の環状弾性部材が突設され、 前記突出部材の円弧面における前記平行溝の間の前記カ
ッターに対向する部位にカッター用溝が穿設され、前記
管状部材の前記外周壁に係合して回転している前記管状
部材を切断するカッターが、前記カッター用溝内に介挿
されていることを特徴とする管状部材の切断装置。
2. A plurality of annular elastic members according to claim 1, wherein said plurality of annular elastic members for gripping said cut tubular member from inside are formed in parallel grooves formed in said arc surface of said projecting member in parallel with a space therebetween. The tubular member is provided with a cutter groove formed at a position facing the cutter between the parallel grooves on the arc surface of the projecting member, and is engaged with the outer peripheral wall of the tubular member. A cutter for cutting a tubular member, wherein a cutter for cutting the member is inserted into the cutter groove.
【請求項3】 請求項2において、 軸部材が、前記中空筒状部材内に軸方向往復動自在に同
軸的に介挿され、 カム機構が、前記軸部材にその軸方向の移動によって前
記複数の突出部材を半径方向外方に突出させるように配
設されていることを特徴とする管状部材の切断装置。
3. The shaft member according to claim 2, wherein a shaft member is coaxially inserted into the hollow cylindrical member so as to be reciprocally movable in the axial direction, and a cam mechanism is moved to the shaft member by moving the shaft member in the axial direction. A cutting device for a tubular member, wherein the projecting member is disposed so as to project radially outward.
【請求項4】 請求項3において、 左右一対のカッターが、前記中空筒状部材に一定距離隔
てて配設された左右一対の前記複数の突出部材に対向し
て配設され、 前記管状部材が一定長さに切断されるように構成されて
いることを特徴とする管状部材の切断装置。
4. The pair of left and right cutters according to claim 3, wherein the pair of left and right cutters are disposed so as to face the pair of left and right protruding members disposed at a predetermined distance from the hollow cylindrical member. A tubular member cutting device configured to be cut into a fixed length.
【請求項5】 請求項4において、 前記複数の突出部材が、前記中空筒状部材の軸方向に対
して傾斜した下面を備え、前記中空筒状部材内に半径方
向に移動可能に介挿され、 前記カム機構が、前記軸部材に一定間隔てて一体的に配
設された前記複数の突出部材の傾斜下面に係合する円錐
台状部材によって構成されていることを特徴とする管状
部材の切断装置。
5. The hollow cylindrical member according to claim 4, wherein the plurality of projecting members include a lower surface inclined with respect to an axial direction of the hollow cylindrical member, and are movably inserted in the hollow cylindrical member in a radial direction. Wherein the cam mechanism is constituted by a truncated cone-shaped member which engages with the inclined lower surfaces of the plurality of projecting members which are integrally disposed at a predetermined interval on the shaft member. Cutting device.
【請求項6】 請求項5において、 前記中空筒状部材を回転駆動して、前記切断される管状
部材を回転駆動する回転駆動装置を備えていることを特
徴とする管状部材の切断装置。
6. The tubular member cutting device according to claim 5, further comprising: a rotary driving device that drives the hollow tubular member to rotate and drives the cut tubular member to rotate.
【請求項7】 請求項6において、 前記中空筒状部材内の一端と前記軸部材の一端との間に
介挿され、前記複数の突出部材の突出量が減少する方向
に前記軸部材を付勢するバネ部材と、 前記軸部材の他端を前記バネ部材に抗して押圧する押圧
機構を備えていることを特徴とする管状部材の切断装
置。
7. The shaft member according to claim 6, wherein the shaft member is inserted between one end of the hollow cylindrical member and one end of the shaft member, and the projecting amounts of the plurality of projecting members decrease. An apparatus for cutting a tubular member, comprising: a biasing spring member; and a pressing mechanism for pressing the other end of the shaft member against the spring member.
【請求項8】 請求項7において、 前記カッターを、前記中空筒状部材が介挿された回転し
ている前記管状部材に対して、接近および後退させる第
1の移動機構を備えていることを特徴とする管状部材の
切断装置。
8. The apparatus according to claim 7, further comprising a first moving mechanism that moves the cutter closer to and away from the rotating tubular member in which the hollow tubular member is inserted. A cutting device for cutting a tubular member.
【請求項9】 請求項8において、 前記切断される管状部材の内部に前記中空筒状部材を介
挿する時には前記押圧機構を退避させ、前記管状部材を
切断する時には前記押圧機構を前進させて前記軸部材と
前記押圧機構とを同軸的に配置する第2の移動機構を備
えていることを特徴とする管状部材の切断装置。
9. The method according to claim 8, wherein the pressing mechanism is retracted when the hollow cylindrical member is inserted into the tubular member to be cut, and the pressing mechanism is advanced when cutting the tubular member. An apparatus for cutting a tubular member, comprising: a second moving mechanism that coaxially arranges the shaft member and the pressing mechanism.
JP33510899A 1999-11-25 1999-11-25 Tubular member cutting device Withdrawn JP2001150385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33510899A JP2001150385A (en) 1999-11-25 1999-11-25 Tubular member cutting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33510899A JP2001150385A (en) 1999-11-25 1999-11-25 Tubular member cutting device

Publications (1)

Publication Number Publication Date
JP2001150385A true JP2001150385A (en) 2001-06-05

Family

ID=18284870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33510899A Withdrawn JP2001150385A (en) 1999-11-25 1999-11-25 Tubular member cutting device

Country Status (1)

Country Link
JP (1) JP2001150385A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006525876A (en) * 2003-05-30 2006-11-16 フアビオ・ペリニ・ソシエタ・ペル・アチオーニ Machine and method for producing tubular products with a cutter carried on a rotating arm
JP2008036725A (en) * 2006-08-01 2008-02-21 Shin Etsu Polymer Co Ltd Endless belt and endless belt substrate cutting device
CN102975225A (en) * 2011-09-02 2013-03-20 住友电工超效能高分子股份有限公司 Belt-shaped component cutting method and fixing clamp
JP2015085464A (en) * 2013-10-31 2015-05-07 高荷 喜三 Slicer
KR101569409B1 (en) 2014-05-15 2015-11-16 김세훈 Apparatus for cutting at least one ring into plural rings
CN105922309A (en) * 2015-02-26 2016-09-07 富士施乐株式会社 Disconnecting device, disconnecting system, and manufacturing method of girdle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006525876A (en) * 2003-05-30 2006-11-16 フアビオ・ペリニ・ソシエタ・ペル・アチオーニ Machine and method for producing tubular products with a cutter carried on a rotating arm
JP2008036725A (en) * 2006-08-01 2008-02-21 Shin Etsu Polymer Co Ltd Endless belt and endless belt substrate cutting device
CN102975225A (en) * 2011-09-02 2013-03-20 住友电工超效能高分子股份有限公司 Belt-shaped component cutting method and fixing clamp
JP2015085464A (en) * 2013-10-31 2015-05-07 高荷 喜三 Slicer
KR101569409B1 (en) 2014-05-15 2015-11-16 김세훈 Apparatus for cutting at least one ring into plural rings
CN105922309A (en) * 2015-02-26 2016-09-07 富士施乐株式会社 Disconnecting device, disconnecting system, and manufacturing method of girdle

Similar Documents

Publication Publication Date Title
US4574448A (en) Apparatus for fastening machine element to a shaft
JP2001150385A (en) Tubular member cutting device
US4541165A (en) Automatic cutting edge changer for cutting tool
JP4584292B2 (en) Drawing machine
JP3207604B2 (en) Bead core forming device
EP3991895A1 (en) Facing machine for preventing inflow of cutting chips into tube
US6718853B2 (en) Log saw apparatus and method
CN114473020B (en) Pipe cutting device
JP3149204B2 (en) Pipe cutting method and pipe cutting device
JP2613123B2 (en) Multi-cavity pipe cutting device
JPH0675695U (en) Pipe cutting machine
JPS62173953A (en) Winding device for stator core
JP4535545B2 (en) Drilling machine
JPH0825283A (en) Cutting method and device for tubular belt
JP2984618B2 (en) Automatic cutter
JP3291232B2 (en) Groove deburring device
JPH09124192A (en) Rolling core fixing device
JP2003062702A (en) Bar-stock feeder
JP2002273686A (en) Paper tube cutting device
SU1127703A1 (en) Tool for vibration drilling of holes
SU1606243A1 (en) Arrangement for metered cutting of microwire
JPS6110890Y2 (en)
JP2000255846A (en) Winding apparatus for core such as film
GB2358603A (en) Method and apparatus for cutting a length of tube
JP4763304B2 (en) Method and apparatus for cutting tubular member

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050623

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060425

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20060529