JPS6036240A - Automatic sheet feed device - Google Patents

Automatic sheet feed device

Info

Publication number
JPS6036240A
JPS6036240A JP14227983A JP14227983A JPS6036240A JP S6036240 A JPS6036240 A JP S6036240A JP 14227983 A JP14227983 A JP 14227983A JP 14227983 A JP14227983 A JP 14227983A JP S6036240 A JPS6036240 A JP S6036240A
Authority
JP
Japan
Prior art keywords
sheet
sheets
roller
separation roller
feed
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.)
Pending
Application number
JP14227983A
Other languages
Japanese (ja)
Inventor
Kazuhide Sugiyama
一英 杉山
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP14227983A priority Critical patent/JPS6036240A/en
Publication of JPS6036240A publication Critical patent/JPS6036240A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/46Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52Friction retainers acting on under or rear side of article being separated
    • B65H3/5246Driven retainers, i.e. the motion thereof being provided by a dedicated drive
    • B65H3/5253Driven retainers, i.e. the motion thereof being provided by a dedicated drive the retainers positioned under articles separated from the top of the pile
    • B65H3/5261Retainers of the roller type, e.g. rollers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

PURPOSE:To feed sheets of paper with a simple arrangement separating them one by one without fail by constructing a holding body for a separating member engaged with a sheet feed roller with an elastic body and separating the sheets with a restoring motion of a frictional motion between said separating member and the sheets. CONSTITUTION:A sheet P is placed on an inclined tray 1, and allowed to slide by its self-weight to a feed roller 2 and a separation roller 3, and thereafter only the uppermost sheet P1 is separated for feed from both the rollers 2, 3. In this instance, for the separation roller 3, the whole of the outer circumferential surface 3a, and a supporting shaft 3b and an intermediate shaft 3c as a holding body is integrally formed by an elastix substance such as rubber. The supporting shaft 3b is fixed and supported on upstand portions 8a, 8b of a chassis to make the separation roller 3 impossible to slide and rotate and possible to torsionally rotate. Hereby, it is possible to separate without fail only the uppermost sheet P1 by sufficiently twisting the supporting shaft 3c when the second sheet P2 is sent while adhering to the uppermost sheet P1, or sheets P2-Pn on and after the second one preceed.

Description

【発明の詳細な説明】 本発明はマイクロフィルム用輪転式カメラなどの自動シ
ート送り装置(オートフィーダ)、特に多数枚私蔵され
た原稿などのシートを重送することなく1枚宛分離して
露光部へ自動的に送り出すオートフィーダに関するもの
である。
[Detailed Description of the Invention] The present invention is an automatic sheet feeding device (auto feeder) for a rotary microfilm camera, etc., and in particular, it is capable of separating sheets such as a large number of privately owned manuscripts into individual sheets without double feeding. This relates to an auto feeder that automatically feeds the feed to the exposure section.

従来のオートフィーダでは、積み重ねられているシート
のうち1枚だけを送りローラの送り回転摩擦で送り他の
シートは分離ローラの戻し回転摩擦でローラ位置に待機
させておく構成である。
In a conventional auto feeder, only one of the stacked sheets is sent by the rotational friction of the feed roller, and the other sheets are kept waiting at the roller position by the rotational friction of the separation roller.

例えば第1図で、シートPかPl・P2・Pj 08.
の順に積み重ねられ、シートトレイ1の、−ヒに置かれ
る。シートトレイ1のシート載置面は傾斜しており、シ
ートPが自重でトレイlの上を摺動して送りローラ2及
び分離ローラ3に当る。
For example, in Fig. 1, sheet P or Pl/P2/Pj 08.
The sheets are stacked in the order of , and placed on sheet tray 1. The sheet placement surface of the sheet tray 1 is inclined, and the sheet P slides on the tray 1 by its own weight and hits the feed roller 2 and the separation roller 3.

送りローラ2は矢示の如く時計方向に回転しており、分
離ローラ3も同じく時計方向に回転している。第2図に
示すように、送りローラ2と分離ローラ3の表面はずれ
た位置に配置される。両者が若干くい合うように重なり
合ってもよい。最上位のシートP1は送りローラ2の摩
擦搬送力を強く受け、送りローラ2と分離ローラ3の間
をぬうようにうねって当り、ピンチローラ対6・6′の
方向に搬送される。2枚目以下のシートは送りローラ2
と直接接触することがなく、分離ローラ3に接触するた
め、戻し方向の回転摩擦により戻されローラ2・3の位
置に留まる。
The feed roller 2 is rotating clockwise as shown by the arrow, and the separation roller 3 is also rotating clockwise. As shown in FIG. 2, the surfaces of the feed roller 2 and separation roller 3 are arranged at different positions. They may overlap each other so that they are slightly interlocked. The uppermost sheet P1 is strongly subjected to the frictional conveyance force of the feed roller 2, winds and hits between the feed roller 2 and the separation roller 3, and is conveyed in the direction of the pinch roller pair 6 and 6'. For the second and subsequent sheets, feed roller 2
Since it does not come into direct contact with the rollers 2 and 3 but contacts the separation roller 3, it is returned by rotational friction in the return direction and remains at the position of the rollers 2 and 3.

このようなオートフィーダでは、送りローラ2及び分離
ローラ3は夫々時計方向に回転させる必要がある。送り
ローラ2及び分離ローラ3を各々別な駆動源に接続する
か、又は同一の駆動源にギヤなどの伝達系で連結する必
要がある。また、オートフィーダの動作状態を最適に保
つためには送りシートの柔軟性にしの強さ)によって送
りローラ2と分離ローラ3のくい合いの量を調整できる
ようにする必要があり、装置が複雑で高価なものとなる
。特にマイクロフ、fルム用輪転式カメラに用いるオー
トフィーダでは原稿シートの厚さが変わることが多く、
この調整のための機構の使用頻度が高く面倒である。
In such an auto feeder, the feed roller 2 and the separation roller 3 each need to be rotated clockwise. It is necessary to connect the feed roller 2 and the separation roller 3 to separate drive sources, or to the same drive source through a transmission system such as a gear. In addition, in order to maintain the optimal operating condition of the auto feeder, it is necessary to be able to adjust the amount of engagement between the feed roller 2 and separation roller 3 depending on the flexibility and strength of the feed sheet, which makes the device complicated. It becomes expensive. In particular, the thickness of the document sheet often changes in auto feeders used for microflo and f-luminium rotary cameras.
The mechanism for this adjustment is frequently used and is troublesome.

本発明は従来のオートフィーダのこのような欠点を解消
するもので、極めて簡単な構成であらゆるシートを確実
に分離して搬送できるオートフィーダを提供することを
目的とするものである。
The present invention is intended to eliminate these drawbacks of conventional auto feeders, and aims to provide an auto feeder that has an extremely simple configuration and can reliably separate and convey all kinds of sheets.

この目的を達成するため本発明は、自重でトレイ1上を
摺動してきたシー)Pを、相互に分離して30送する自
動シート送り装置に於て、シート重送すローラ2とかみ
合う位置に配置した分離部材3の、保持体3bを弾性体
とし、分離部材3が、シートとの摩擦運動の復元運動で
、シートを分離することを特徴とする自動シート送り装
置である。
In order to achieve this object, the present invention provides an automatic sheet feeding device that separates the sheets (P) that have been sliding on the tray 1 by their own weight and feeds them 30 times. This automatic sheet feeding device is characterized in that the holder 3b of the separating member 3 disposed in the sheet is made of an elastic body, and the separating member 3 separates the sheet by a restoring movement of the frictional movement with the sheet.

以下本発明の実施例を詳細に説明し」−記構成を明らか
にする。
Embodiments of the present invention will be described in detail below, and the configuration thereof will be clarified.

第1図は本発明オートフィーダの一実施例を示す側断面
図である。
FIG. 1 is a side sectional view showing an embodiment of the autofeeder of the present invention.

前記したように、傾斜したシートトレー(iにシー)P
は重ねて置かれ、自重で送りローラ2及び分離ローラ3
の位置まで摺動してくる。送りローラ2及び分離ローラ
3の配置関係は第2図に示すようにくい合うようになっ
ている。送りローラ2は不図示の駆動源に連結されて矢
示方向に回転する。送りローラ2の表面はゴムで形成さ
れ、削条が設けられ大きい摩擦力を出すことができる。
As mentioned above, the inclined sheet tray (seat to i) P
are placed one on top of the other, and the feed roller 2 and separation roller 3 are separated by their own weight.
It will slide to the position. The arrangement of the feed roller 2 and the separation roller 3 is such that they closely match each other as shown in FIG. The feed roller 2 is connected to a drive source (not shown) and rotates in the direction of the arrow. The surface of the feed roller 2 is made of rubber and provided with grooves to generate a large frictional force.

分離ローラ3は外周面3a、支持軸3b及び中間軸3C
からなり全体がゴムで一体成型しである。軸3bは装置
手前側と後側に取付けられたシャーシの立ち上り部分8
a・8bに固足支持される。従って分離ローラ3は摺動
回転は不可能で、ゴムの弾性によって撚り回転が可能な
だけである。分離ローラ3のローラ表面積より送りロー
ラ2のけ−ラ表面積を大きくしたり、送りローラ2の材
質の摩擦係数をより大きいものにしたりして、送りロー
ラ2の摩擦搬送力が分離ローラ3の摩擦搬送力より大き
いものとなるようにしである。
The separation roller 3 has an outer peripheral surface 3a, a support shaft 3b, and an intermediate shaft 3C.
The entire body is made of rubber and is integrally molded. The shaft 3b is the rising part 8 of the chassis attached to the front and rear sides of the device.
It is firmly supported by a and 8b. Therefore, the separation roller 3 cannot slide and rotate, but can only twist and rotate due to the elasticity of the rubber. By making the roller surface area of the feed roller 2 larger than the roller surface area of the separation roller 3, or by making the material of the feed roller 2 have a larger coefficient of friction, the frictional conveying force of the feed roller 2 can be adjusted to the friction of the separation roller 3. It is designed to be larger than the conveying force.

このようなオートフィーダで、シー)Pが送りローラ2
と分離ローラ3の位置までくると、シートPのうち最上
の1枚P1が送りローラ2がらのjY擦擦込送力受けて
搬送される。2枚目以降のシートP2−P3−p4 、
、、は分離ローラ3に引っかかり、その位置に留まる。
In such an auto feeder, the sea) P is the feed roller 2.
When it reaches the position of the separation roller 3, the uppermost sheet P1 of the sheets P is conveyed by the jY rubbing force of the feed roller 2. 2nd and subsequent sheets P2-P3-p4,
, , are caught by the separation roller 3 and remain in that position.

シートP□は分、魅ローラ3を摩擦で撚り回転させなが
らも、送りローラ2の摩擦力がより強いため、シートP
□は順調に送られる。
Although the sheet P□ twists and rotates by friction, the sheet P
□ will be sent smoothly.

そのときのシートの状態によりシートPIに2枚目のシ
ートP2がくっついて送られたり、2枚1]以下のシー
トP2・P3@P4.、、が先行して送られたりすると
異なった動作状態となる。第3図には2枚日のシートP
2が先行して送られた場合について示してあり、同図(
a)は搬送初期の状態、 (b)はその後の状態である
。なお、同図では説明の便宜上送りローラ2と分離ロー
ラ3の相対位置は相互にくい合っていない配置の場合に
ついて示しであるが、相互にくい合っている場合(第1
・2図り照)であっても同じように動作する。同図(a
)で2枚目のシートP2が送られ、遅れて1枚日のシー
トP1が送られてくる。
Depending on the state of the sheets at that time, the second sheet P2 may be attached to the sheet PI and fed, or the sheets P2, P3@P4. , , are sent in advance, a different operating state will result. Figure 3 shows the 2nd day sheet P.
2 is sent in advance, and the same figure (
(a) shows the initial state of transportation, and (b) shows the subsequent state. In addition, for convenience of explanation, the relative positions of the feed roller 2 and the separation roller 3 are shown in the case where they are not closely aligned with each other, but when they are closely aligned with each other (the first
・It works in the same way even if it is 2. The same figure (a
), the second sheet P2 is sent, and after a delay, the first sheet P1 is sent.

この分路ローラ3はシートP2の搬送摩擦によって第4
図に示すような状態となる。1lIt、b−ラ3は点線
の矢印で示すように時計方向に摩擦回転し、支持軸3b
が撚れる。撚れが徐々に人きくなる一方に於て、2枚目
のシートP1も搬送ローラ2によって搬送されてくる。
This shunt roller 3 is moved to the fourth path by the conveyance friction of the sheet P2.
The state will be as shown in the figure. 1lIt,b-ra 3 frictionally rotates clockwise as shown by the dotted arrow, and the support shaft 3b
is twisted. While the twist gradually becomes more pronounced, the second sheet P1 is also conveyed by the conveyance roller 2.

このときシートP1の」二面は搬送ローラ3に接するが
下面はシートP、の上1mに接する。即ちシートp2の
上面がシートPLの下面に接し、シートP2の下1ff
jが分子1Jlo−ラ3に接する。シートP1のシート
P2に対する摩擦力はシートどうしく例えば紙どうし)
の接触摩擦であるからあまり強くない。分離ローラ3の
撚れが多くなって、分離ローラ3の復元力(第4図実線
矢印方向)が及ぼすシートP2に対する逆戻し力がシー
1−P、から受ける摩擦搬送力に打ち勝つと、第3図(
b)に示すようにシートP2が逆戻りする。一枚はのシ
ートP+は下面ではシートP2の上面がスリップしなが
らも、送りローラ2からの直接の搬送力により、ローラ
対6パ6fの方向〜送られる。シートP2はシートP。
At this time, the two sides of the sheet P1 are in contact with the conveying roller 3, and the bottom surface is in contact with the top 1 m of the sheet P. That is, the upper surface of the sheet p2 is in contact with the lower surface of the sheet PL, and the lower surface of the sheet P2 is 1ff.
j touches molecule 1Jlo-la3. The frictional force of sheet P1 against sheet P2 is between sheets (for example, between sheets of paper)
It is not very strong because it is contact friction. When the twist of the separation roller 3 increases and the reversing force exerted on the sheet P2 by the restoring force of the separation roller 3 (in the direction of the solid arrow in FIG. 4) overcomes the friction conveying force received from the sheet 1-P, the third figure(
As shown in b), the sheet P2 is reversed. Although the upper surface of the sheet P2 slips on the lower surface of the single sheet P+, the direct conveyance force from the feed roller 2 causes the sheet P+ to be conveyed in the direction of the pair of rollers 6 and 6f. Sheet P2 is sheet P.

が上1n1に接している間中、やや送られたり戻された
りを繰り返す。大体において、搬送力と復元力の11L
抗する位置に略停止している。シートPIが送られてし
まい、シートP2が最上面になると、シー)P2との間
に同じような状態が繰り返されて、シートP2が送られ
る。このように常に最上面のシートだけが確実に搬送さ
れる。
While it is in contact with the upper 1n1, it repeats being moved slightly forward and backward. Generally, 11L of conveying force and restoring force
It is almost stopped at the position where it resists. When the sheet PI is fed and the sheet P2 becomes the uppermost surface, a similar situation is repeated between the sheet PI and the sheet P2, and the sheet P2 is fed. In this way, only the topmost sheet is always transported reliably.

シートの状態によって3枚目以下が先行した場合、ある
いはより下位のシートが多数枚一度に先行した場合も同
じように動作する。
Depending on the state of the sheets, the same operation will occur if the third or lower sheet precedes, or if many lower-ranking sheets precede at once.

分離ローラ3の運動は回転運動だけでなく前進運動・後
退(復元)連動もあると考えられる。
The movement of the separation roller 3 is considered to include not only rotational movement but also forward movement and backward movement (restoration).

また、分離ローラ3は回転運動φ前後運動に加えて、」
三下運動ちり能であるから、シートの1接の強さが強け
れば下方にたわみ(第2図鎖線示参期)、弱ければたわ
みが少なくなる。従って、送りローラ2と分離ローラ3
のくい合いの量を特に調整する機構を設けなくても適正
なシートのうねり量となる。
In addition to the rotational movement φ and the back and forth movement, the separation roller 3
Since it is a three-dimensional motion, if the strength of the first contact of the sheet is strong, it will deflect downward (as shown by the chain line in Figure 2), and if it is weak, the deflection will decrease. Therefore, the feed roller 2 and the separation roller 3
An appropriate amount of sheet waviness can be achieved without providing a mechanism to specifically adjust the amount of engagement.

第5・6・7図は分離部材の変形例をボすものである。Figures 5, 6, and 7 show modified examples of the separating member.

分離ローラの回転量はさほど多くないと考えられるので
、全周とも円形にする必要なく第5図に示すように円弧
状3dであっても良い。第6図に示すように分離部材3
がシートに接触する面を平面形状3eにし、面接触によ
って分離部材が移動するようにできる。この場合には、
分離部材の撚れ回転運動は少ないので軸を複数にできる
。第7図に示すように1分離部材の支持軸の断面を長方
形3fにし、縦横の辺の長さを適宜選ぶことによって撚
れ回転運動量と上下運動量を調整できる。この長方形軸
の代りに楕円形軸でも良い。
Since it is considered that the amount of rotation of the separation roller is not so large, it is not necessary to make the entire circumference circular, and the separation roller may have an arcuate shape 3d as shown in FIG. Separation member 3 as shown in FIG.
The surface that contacts the sheet can be made into a planar shape 3e, and the separation member can be moved by surface contact. In this case,
Since the twisting and rotational movement of the separation member is small, a plurality of shafts can be used. As shown in FIG. 7, the cross section of the support shaft of the one-separation member is made into a rectangle 3f, and by appropriately selecting the lengths of the vertical and horizontal sides, the rotational twisting momentum and the vertical momentum can be adjusted. An elliptical shaft may be used instead of this rectangular shaft.

なお、分離部材を弾性連動させるにあたり、ゴム材質に
限らず、コイルばね・板ばね・鋼条などの弾性体に置換
できるものである。
Note that in elastically interlocking the separation member, the material is not limited to rubber, and may be replaced with an elastic body such as a coil spring, a plate spring, or a steel strip.

却、上説明したように、本発明の自動シート送り装置は
シートの種類が種々変っても、特別な調整なしに確実に
分離搬送できる装置であり、しかも安価な装置となるも
のである。
On the other hand, as described above, the automatic sheet feeding apparatus of the present invention is an apparatus that can reliably separate and convey sheets without any special adjustment even if the types of sheets change, and is also an inexpensive apparatus.

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

第1図は本発明を適用した自動シート送り装置の実施例
の断面図、第2図は送りローラと分離ローラの正面図、
第3図はその動作状1n(を説明する側面図、第4図は
分離ローラの動作状態の斜視IA、第5・6拳7図は分
離ローラの変形例の斜視図である。 1はトレイ、2は送りローラ、3は分離ローラ、3bは
保持軸、Pはシートである。 第3図 第6図 第4図 第1図 第2図
FIG. 1 is a sectional view of an embodiment of an automatic sheet feeding device to which the present invention is applied, FIG. 2 is a front view of a feeding roller and a separation roller,
FIG. 3 is a side view illustrating its operating state 1n, FIG. 4 is a perspective view IA of the operating state of the separation roller, and FIGS. 5 and 6 are perspective views of modified examples of the separation roller. 1 is a tray. , 2 is a feed roller, 3 is a separation roller, 3b is a holding shaft, and P is a sheet.

Claims (1)

【特許請求の範囲】[Claims] (1)自重でトレイ上を摺動してきたシートを、相互に
分離して給送する自動シート送り装置に於て、 シート重送りローラとかみ合う位置に配置した分離部材
の、保持体を弾性体とし、 分離部材が、シートどの摩擦運動の復元運動で、シート
を分離することを特徴とする自動シート送り装置。−
(1) In an automatic sheet feeding device that separates and feeds sheets that have been sliding on a tray by their own weight, the holder of the separation member placed in a position where it engages with the sheet double feeding roller is made of an elastic material. An automatic sheet feeding device characterized in that the separating member separates the sheets by a restoring movement of frictional movement between the sheets. −
JP14227983A 1983-08-03 1983-08-03 Automatic sheet feed device Pending JPS6036240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14227983A JPS6036240A (en) 1983-08-03 1983-08-03 Automatic sheet feed device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14227983A JPS6036240A (en) 1983-08-03 1983-08-03 Automatic sheet feed device

Publications (1)

Publication Number Publication Date
JPS6036240A true JPS6036240A (en) 1985-02-25

Family

ID=15311664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14227983A Pending JPS6036240A (en) 1983-08-03 1983-08-03 Automatic sheet feed device

Country Status (1)

Country Link
JP (1) JPS6036240A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269977A2 (en) 1986-11-27 1988-06-08 Kao Corporation Alkaline cellulases and microorganisms capable of producing same
JPH0722681U (en) * 1989-10-02 1995-04-25 ウィナー フード プロダクト リミテッド Web coating equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269977A2 (en) 1986-11-27 1988-06-08 Kao Corporation Alkaline cellulases and microorganisms capable of producing same
JPH0722681U (en) * 1989-10-02 1995-04-25 ウィナー フード プロダクト リミテッド Web coating equipment

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