JP2582850Y2 - Sheet cutting equipment - Google Patents

Sheet cutting equipment

Info

Publication number
JP2582850Y2
JP2582850Y2 JP1990104791U JP10479190U JP2582850Y2 JP 2582850 Y2 JP2582850 Y2 JP 2582850Y2 JP 1990104791 U JP1990104791 U JP 1990104791U JP 10479190 U JP10479190 U JP 10479190U JP 2582850 Y2 JP2582850 Y2 JP 2582850Y2
Authority
JP
Japan
Prior art keywords
frame
fixed blade
blade
shaft
coil spring
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.)
Expired - Lifetime
Application number
JP1990104791U
Other languages
Japanese (ja)
Other versions
JPH0463392U (en
Inventor
順一 中尾
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.)
Hitachi Metals Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP1990104791U priority Critical patent/JP2582850Y2/en
Publication of JPH0463392U publication Critical patent/JPH0463392U/ja
Application granted granted Critical
Publication of JP2582850Y2 publication Critical patent/JP2582850Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Nonmetal Cutting Devices (AREA)
  • Knives (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、通信機用FAX、各種プリンタ、複写機等に
利用されるシート切断装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial application field] The present invention relates to a sheet cutting device used for a facsimile for a communication device, various printers, a copying machine, and the like.

〔従来の技術〕[Conventional technology]

前記シート切断装置の一般的型式は、いずれも両端部
の軸頸を回転支持された回転刃と固定刃からなり、回転
刃は、その回転により、刃先線の軌跡が円筒面または一
葉双曲線回転面等の略円筒面を形成し、一方固定刃は、
その上記回転支持による回転軸心に並行または略並行な
刃先線を上記回転刃の刃先線に圧接するごとく、前記回
転軸心の回りにばねで回転付勢される形式(揺動式固定
刃)のものが多い。
The general type of the sheet cutting device is composed of a rotary blade and a fixed blade, both of which are rotatably supported on the shaft and neck at both ends, and the rotary blade causes the trajectory of the cutting edge line to be a cylindrical surface or a one-lobe hyperbolic rotary surface due to its rotation. Etc., while the fixed blade,
A type in which a blade edge line parallel or substantially parallel to the rotation axis by the rotary support is pressed against the blade edge line of the rotary blade by a spring around the rotation axis (oscillating fixed blade). There are many things.

上記形式のシート切断装置において、上記固定刃のば
ねによる付勢は、通常、固定刃にその回転軸心に直角に
ピンを植設して、その先端と下記フレームとの間に引張
りコイルばねを張設して行なうものが多く、また、回転
刃と固定刃を支持するフレームは、組立状態ではコ字形
となり、その両端の二辺に設けた軸受孔で両刃の両端部
の軸頸を回転支持するものである。
In the sheet cutting apparatus of the above type, the biasing of the fixed blade by a spring is generally performed by implanting a pin on the fixed blade at right angles to the rotation axis thereof, and applying a tension coil spring between the tip and the following frame. In many cases, the frame that supports the rotating blade and the fixed blade has a U-shape in the assembled state, and the shaft holes at both ends of both blades are rotatably supported by bearing holes provided on the two sides at both ends. Is what you do.

〔考案が解決しようとする課題〕[Problems to be solved by the invention]

上記フレームは、一般には両刃と並行に配置されたベ
ース材の両端部に軸受孔を有するL字形等のブラケット
をビス等により取付け組立てする形式が一般的である
が、このフレームを、例えば予め両端部の所定位置に軸
受用貫通孔を設けた短冊状素材を、コ字形に曲げ形成す
る等一体化したものとすると、軽量化、コスト等の面か
ら好都合である。しかし、この場合、両刃とフレームと
の組立て方法を工夫する必要がある。
In general, the above-mentioned frame is generally formed by attaching and assembling L-shaped brackets having bearing holes at both ends of a base material arranged in parallel with both blades with screws or the like. If a strip-shaped material provided with a bearing through-hole at a predetermined position of the portion is integrated by bending and forming into a U-shape, it is convenient from the viewpoint of weight reduction and cost. However, in this case, it is necessary to devise a method of assembling the two blades and the frame.

本考案は、特に一体化したフレームの場合に好適な、
固定刃の支持方法を改善して、軽量化、低コスト化可能
なシート切断装置を提供することを目的とする。
The present invention is particularly suitable for an integrated frame,
It is an object of the present invention to provide a sheet cutting device that can reduce the weight and cost by improving the method of supporting a fixed blade.

〔課題を解決するための手段〕[Means for solving the problem]

本考案は、フレーム、回転刃、および両端部の軸頸を
前記フレームに設けた軸受孔で回転可能に支持され、刃
先を前記回転刃の刃先に圧接するごとく前記回転の軸心
の周りに回転付勢された固定刃からなるシート切断装置
において、前記固定刃は、片端の前記軸頸の基部に圧縮
ねじりコイルばねを嵌装装着されており、かつ、他端に
他の軸頸を有し、前記片端の軸頸の先端部を前記フレー
ムの一方の軸受孔に、前記圧縮ねじりコイルばねを軸方
向に圧縮して挿入したとき、他端の前記軸頸を前記フレ
ームの内側から他方の軸受孔に挿入し得る軸頸間の長さ
とし、該固定刃全体を該他方の軸受孔の方向に前記圧縮
ねじりコイルばねの反発力により移動して組立てられる
ごとき関係であり、かつ、該固定刃は、前記圧縮ねじり
コイルばねにより、前記回転付勢されることを特徴とす
るシート切断装置である。
In the present invention, the frame, the rotary blade, and the shaft necks at both ends are rotatably supported by bearing holes provided in the frame, and the blade is rotated around the rotation axis as the blade is pressed against the blade of the rotary blade. In a sheet cutting apparatus comprising a biased fixed blade, the fixed blade has a compression torsion coil spring fitted and mounted on a base of the shaft neck at one end, and has another shaft neck at the other end. When the distal end of the one end of the shaft and neck is inserted into one bearing hole of the frame by compressing the compression torsion coil spring in the axial direction, the other end of the shaft and neck is inserted into the other bearing from the inside of the frame. The length between the shaft and the neck which can be inserted into the hole, the relationship is such that the entire fixed blade is assembled by moving in the direction of the other bearing hole by the repulsive force of the compression torsion coil spring, and the fixed blade is By the compression torsion coil spring, A sheet cutting device characterized in that it is serial rotationally urged.

〔作用〕[Action]

本考案は、前記のフレームの単純化を可能とするとと
もに、これに伴う固定刃の軸方向位置の規制と固定刃の
刃先に圧接するための回転付勢とを1個の圧縮ねじりコ
イルばねで行なうものであるから、切断装置全体は、大
幅に単純化、軽量化が図れ、低コスト化が実現可能であ
る。
The present invention enables simplification of the frame, and regulates the axial position of the fixed blade and the rotational bias for pressing against the blade edge of the fixed blade with one compression torsion coil spring. Therefore, the entire cutting device can be greatly simplified and lightened, and the cost can be reduced.

固定刃は回転刃と異なって、小角度範囲を揺動するだ
けであるから、強度、高精度の軸支持を行なう必要は低
く、本考案の方法で十分であることが実証された。
Unlike the rotary blade, the fixed blade only swings in a small angle range, so the need for high strength and high precision shaft support is low, and it has been proved that the method of the present invention is sufficient.

本考案で圧縮ねじりコイルばねとは、JIS B2709でい
うねじりコイルばねのうち、コイル部分を間隔巻きにす
る、レバー部分を軸方向に広げる等、軸方向の圧縮力を
吸収可能としたばねを意味する。
In the present invention, the compression torsion coil spring is a torsion coil spring defined in JIS B2709 that can absorb the compression force in the axial direction, for example, by winding the coil portion at intervals and expanding the lever portion in the axial direction. I do.

〔実施例〕〔Example〕

第1図(a)は、本考案の一実施例の正面図、(b)
はそのX−X断面図である。フレーム3は、両端部に予
め貫通軸受孔を設けた短冊状素材をコ字形に曲げ形成し
て製作されたものであり、その両辺間の内法は寸法wと
されている。
FIG. 1A is a front view of one embodiment of the present invention, and FIG.
Is an XX cross-sectional view thereof. The frame 3 is manufactured by bending a strip-shaped material provided with through bearing holes at both ends in advance into a U-shape, and the inner dimension between both sides is set to a dimension w.

回転刃1および固定刃2は、いずれもそれぞれの両端
部の軸頸5,6および7,8をフレーム3に設けた貫通孔であ
る軸受孔で回転可能に支持されている。回転刃1は、コ
字形の中辺の外側稜を刃先1eとした回転刃本体1aと、そ
の両辺に設けた貫通孔に串刺し状に挿通されて、該孔に
かしめ固定された軸1bからなり、該軸1bの略両端部は上
記軸頸5,6を形成しており、軸頸5側に設けられた図示
しない回転ソレノイドにより、矢印1c方向{(b)図}
に回転駆動される。
Both the rotary blade 1 and the fixed blade 2 are rotatably supported by bearing holes which are through holes provided in the frame 3 with the shaft necks 5, 6 and 7, 8 at both ends thereof. The rotary blade 1 is composed of a rotary blade body 1a having an outer ridge of a U-shaped middle side as a blade edge 1e, and a shaft 1b which is inserted into through holes provided in both sides in a skewered manner and caulked and fixed to the holes. Approximately both end portions of the shaft 1b form the shaft necks 5 and 6, and are rotated by a rotary solenoid (not shown) provided on the shaft neck 5 side in the direction of arrow 1c {FIG.
Is driven to rotate.

固定刃2は、長さの中央部に刃先2eを有し、両端部に
は軸頸7,8が形成されており、その片端の軸頸7の基部
には、圧縮ねじりコイルばね4cが嵌装装着されている。
該固定刃2とフレーム3は、片端の軸頸7の先端部をフ
レーム3の一方の軸受孔に挿入し、圧縮ねじりコイルば
ね4cを圧縮して他端の軸頸8をフレーム3の他方の軸受
孔に臨ましめ、固定刃2全体を該他方の軸受孔の方向に
移動して組立てられるごとき関係されており(w≧
l)、固定刃2は圧縮ねじりコイルばね4cによりその刃
先2eを回転刃1の刃先に圧接するごとく回転付勢されて
いる。そして回転付勢の強さは、圧縮ねじりコイルばね
4cの端部の角状部の先端の折曲げ部を、フレーム3に円
弧上に多数設けられた孔群3aのいずれかを選択すること
により調整可能である。
The fixed blade 2 has a blade edge 2e at the center of its length, and has shaft necks 7 and 8 formed at both ends. A compression torsion coil spring 4c is fitted to the base of the shaft neck 7 at one end. It is mounted.
The fixed blade 2 and the frame 3 are inserted into one bearing hole of the frame 3 at one end of the shaft neck 7, compress the compression torsion coil spring 4 c, and connect the shaft neck 8 at the other end to the other of the frame 3. This is related to the case where the fixed blade 2 is assembled by moving the entire fixed blade 2 in the direction of the other bearing hole by facing the bearing hole (w ≧
l) The fixed blade 2 is rotationally urged by the compression torsion coil spring 4c so that the cutting edge 2e is pressed against the cutting edge of the rotary blade 1 . And the strength of the rotation bias is the compression torsion coil spring
The bent portion at the tip of the square portion at the end of 4c can be adjusted by selecting any one of a large number of hole groups 3a provided on the frame 3 in an arc.

なお、2aは固定刃2の切り始め端に設けた刃先案内部
である。
Reference numeral 2a denotes a blade edge guide provided at the cutting start end of the fixed blade 2.

上記実施例は、回転刃1として、本体1aと軸1bから構
成し、軸1bをフレーム3の軸受孔に挿通後本体1aと結合
する組立方式とすることにより、回転刃1と固定刃2を
共通のフレーム3で支持し、フレーム3の単純化を図っ
ている。
In the above embodiment, the rotating blade 1 and the fixed blade 2 are constituted by the rotating blade 1 comprising the main body 1a and the shaft 1b, and the shaft 1b is inserted into the bearing hole of the frame 3 and then combined with the main body 1a. The frame 3 is supported by a common frame 3 to simplify the frame 3.

第2図は、フレーム3のコ字形の両二辺を回転刃1
回転軸心に対し、直角となるごとく曲げ成形し、回転刃
1の回転精度保持を図り、また、圧縮ねじりコイルばね4
aを、製造が相対的に容易なコイル部を密着巻きとし、
その代わりコイル端の角部をドッグレッグ状に曲げて圧
縮ばね機能をなさしめたものである。
FIG. 2 shows that the two sides of the U-shape of the frame 3 are bent and formed so as to be perpendicular to the rotation axis of the rotary blade 1.
1 to maintain the rotational accuracy, and also use a compression torsion coil spring 4
a, the coil part, which is relatively easy to manufacture, is tightly wound,
Instead, the corner of the coil end is bent into a dog leg shape to achieve the compression spring function.

以上の実施例は、固定刃として刃先が回転軸芯と平行
であり、剪断角を得るため、回転軸心を固定刃に対し、
傾斜して回転支持するものであるが、本考案は、これに
限定されず、種々の形式の回転刃に対応できる。
In the above embodiments, the blade edge is parallel to the rotation axis as a fixed blade, and in order to obtain a shear angle, the rotation axis is set relative to the fixed blade.
The present invention is not limited to this, but can be applied to various types of rotary blades.

また、本考案の切断装置の組み立て状態において、圧
縮ねじりコイルばね4a、4cは、適当な圧縮力負担状態と
しておくことが、振動発生その他から一般に望ましい
が、本考案はこれに限定されない。
In addition, in the assembled state of the cutting device of the present invention, it is generally desirable that the compression torsion coil springs 4a and 4c are in a state of appropriately applying a compressive force from the viewpoint of vibration generation and the like, but the present invention is not limited thereto.

〔考案の効果〕[Effect of the invention]

本考案は、いわゆる揺動式固定刃を持つシート切断装
置において、従来の固定刃とフレームとの組立て関係を
改めることにより、フレームおよび圧縮力付与機構を大
幅に簡略化可能とするものであり、これにより組立てラ
インの簡素化コスト削減が可能となる。
In the present invention, in a sheet cutting apparatus having a so-called swinging fixed blade, a frame and a compressive force applying mechanism can be greatly simplified by revising a conventional assembling relationship between a fixed blade and a frame. This makes it possible to simplify the assembly line and reduce costs.

【図面の簡単な説明】 第1図、第2図は、本考案によるシート切断装置の実施
例を示す図である。1 :回転刃、1a:固定刃本体、1b:軸、1e:刃先、2:固定
刃、2e:刃先、3:フレーム、3a:孔群、4a:圧縮ねじりコ
イルばね、4c:圧縮ねじりコイルばね、5,6,7,8:軸頸。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 and FIG. 2 are views showing an embodiment of a sheet cutting apparatus according to the present invention. 1 : Rotary blade, 1a: Fixed blade body, 1b: Shaft, 1e: Blade edge, 2: Fixed blade, 2e: Blade edge, 3: Frame, 3a: Hole group, 4a: Compression torsion coil spring, 4c: Compression torsion coil spring , 5,6,7,8: Shaft neck.

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平1−162846(JP,A) 実開 平2−66989(JP,U) 実開 昭62−32790(JP,U) 実開 昭61−205791(JP,U) (58)調査した分野(Int.Cl.6,DB名) B26D 1/38──────────────────────────────────────────────────続 き Continued from the front page (56) References JP-A-1-162846 (JP, A) JP-A 2-66989 (JP, U) JP-A 62-32790 (JP, U) JP-A 61-162 205791 (JP, U) (58) Field surveyed (Int. Cl. 6 , DB name) B26D 1/38

Claims (1)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】フレーム、回転刃、および両端部の軸頸を
前記フレームに設けた軸受孔で回転可能に支持され、刃
先を前記回転刃の刃先に圧接するごとく前記回転の軸心
の周りに回転付勢された固定刃からなるシート切断装置
において、前記固定刃は、片端の前記軸頸の基部に圧縮
ねじりコイルばねを嵌装装着されており、かつ、他端に
他の軸頸を有し、前記片端の軸頸の先端部を前記フレー
ムの一方の軸受孔に、前記圧縮ねじりコイルばねを軸方
向に圧縮して挿入したとき、他端の前記軸頸を前記フレ
ームの内側から他方の軸受孔に挿入し得る軸頸間の長さ
とし、該固定刃全体を該他方の軸受孔の方向に前記圧縮
ねじりコイルばねの反発力により移動して組立てられる
ごとき関係であり、かつ、該固定刃は、前記圧縮ねじり
コイルばねにより、前記回転付勢されることを特徴とす
るシート切断装置。
1. A frame, a rotary blade, and a shaft neck at both ends are rotatably supported by bearing holes provided in the frame, and the cutting edge is pressed around the rotating shaft so as to press against the cutting edge of the rotary blade. In a sheet cutting device comprising a fixed blade that is rotationally biased, the fixed blade has a compression torsion coil spring fitted and mounted on a base of the shaft neck at one end, and has another shaft neck at the other end. When the tip of the shaft neck at one end is inserted into one bearing hole of the frame by compressing the compression torsion coil spring in the axial direction, the shaft neck at the other end is inserted from the inside of the frame to the other end. The length between the shaft and the neck which can be inserted into the bearing hole, the fixed blade is moved in the direction of the other bearing hole by the repulsive force of the compression torsion coil spring, and the fixed blade is assembled. By the compression torsion coil spring Sheet cutting device characterized in that it is the rotation urging.
JP1990104791U 1990-10-04 1990-10-04 Sheet cutting equipment Expired - Lifetime JP2582850Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990104791U JP2582850Y2 (en) 1990-10-04 1990-10-04 Sheet cutting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990104791U JP2582850Y2 (en) 1990-10-04 1990-10-04 Sheet cutting equipment

Publications (2)

Publication Number Publication Date
JPH0463392U JPH0463392U (en) 1992-05-29
JP2582850Y2 true JP2582850Y2 (en) 1998-10-15

Family

ID=31850211

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990104791U Expired - Lifetime JP2582850Y2 (en) 1990-10-04 1990-10-04 Sheet cutting equipment

Country Status (1)

Country Link
JP (1) JP2582850Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5817278B2 (en) * 2011-07-14 2015-11-18 ブラザー工業株式会社 Rotary cutter device and printing device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0266989U (en) * 1988-11-04 1990-05-21

Also Published As

Publication number Publication date
JPH0463392U (en) 1992-05-29

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