JPS6115013B2 - - Google Patents
Info
- Publication number
- JPS6115013B2 JPS6115013B2 JP10988577A JP10988577A JPS6115013B2 JP S6115013 B2 JPS6115013 B2 JP S6115013B2 JP 10988577 A JP10988577 A JP 10988577A JP 10988577 A JP10988577 A JP 10988577A JP S6115013 B2 JPS6115013 B2 JP S6115013B2
- Authority
- JP
- Japan
- Prior art keywords
- switch
- fulcrum
- roller
- driven roller
- sheet
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
- Controlling Sheets Or Webs (AREA)
Description
【発明の詳細な説明】
〔発明の利用分野〕
本発明は、紙葉通過間隙の設定作業が簡単なる
紙葉の２枚送り検知装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Application of the Invention] The present invention relates to a two-sheet feeding detection device that allows easy setting of a sheet passing gap.
第１図は、従来の紙葉の２枚送り検知装置の一
例を示すもので、図において、１は搬送される紙
葉、２は紙葉送出ローラである。３は紙葉送出方
向に直角な軸３ａに固定された装置固定枠、４は
装置固定枠３に可動可能に取付けられた保持枠体
で、この保持枠体４は保持枠体４の長孔５に係合
する固定ねじ６を暖ることにより、軸７回りに移
動することができる。８は保持枠体４に取付けら
れた検知用のスイツチ、９はスイツチ８上の保持
枠体４にピン１０回りに回動できるように取付け
られたスイツチ作動部材、１１は紙葉送出ローラ
２に対向するようにスイツチ作動部材９の一端に
取付けられた従動ローラ、１２はスイツチ作動部
材９の他端と保持枠体４との間に配設されたばね
部材で、このばね部材１２は、スイツチ作動部材
９をピン１０を支点とする反時計方向回りに回動
させる。１３は保持枠体４に固定したストツパ
で、このストツパ１３は、スイツチ作動部材９の
反時計方向回りの移動を抑える。１４は保持体４
と装置固定枠３との間に配置した引張ばね、１５
は保持枠体４の下面に当接するように軸３ａにね
じ込み設けた間隙設定用ねじで、このねじ１５の
ねじ込みにより、保持枠体４全体を紙葉送出ロー
ラ２方向に移動させ、紙葉送出ローラ２と従動ロ
ーラ１１との間に紙葉１の厚さに応じた適当な間
隙△Ｒが設定される。
FIG. 1 shows an example of a conventional two-sheet feed detection device. In the figure, 1 is a sheet to be conveyed, and 2 is a sheet delivery roller. 3 is a device fixing frame fixed to a shaft 3a perpendicular to the sheet feeding direction; 4 is a holding frame movably attached to the device fixing frame 3; By warming up the fixing screw 6 that engages with 5, it is possible to move around the axis 7. 8 is a detection switch attached to the holding frame 4; 9 is a switch operating member attached to the holding frame 4 on the switch 8 so as to be rotatable around the pin 10; 11 is a sheet feeding roller 2; A driven roller 12 is attached to one end of the switch operating member 9 so as to face each other, and a spring member 12 is disposed between the other end of the switch operating member 9 and the holding frame 4. The member 9 is rotated counterclockwise about the pin 10 as a fulcrum. Reference numeral 13 denotes a stopper fixed to the holding frame 4, and this stopper 13 suppresses movement of the switch actuating member 9 in the counterclockwise direction. 14 is the holding body 4
and the device fixing frame 3, a tension spring 15
is a gap setting screw screwed into the shaft 3a so as to come into contact with the lower surface of the holding frame 4. By screwing in this screw 15, the entire holding frame 4 is moved in the direction of the sheet delivery roller 2, and the sheet delivery roller 2 is moved. An appropriate gap ΔR is set between the roller 2 and the driven roller 11 according to the thickness of the sheet 1.
上述の２枚送り検知装置は、紙葉送出ローラ２
と従動ローラ１１との間の間隙△Ｒより厚い紙葉
１が通過すると、従動ローラ１１が移動しこれに
伴いスイツチ作動部材９がピン１０を中心に回動
してスイツチ８が作動するように構成されている
ものである。そしてこの検知装置においては、前
記間隙△Ｒの設定作業は次のような手順で行われ
る。すなわち、その設定作業は、まず固定ねじ６
を暖める。次に間隙設定用ねじ１５を暖める。こ
れにより保持枠体４は引張ばね１４のばね力によ
つて軸７を支点として時計方向に回動するので、
紙葉送出ローラ２と従動ローラ１１との間には間
隙が形成される。この間隙に間隙設定用ゲージを
挿入したのち、再び間隙設定用ねじ１５をねじ込
んで、保持枠体４を軸７を支点として反時計方向
に回動して、従動ローラ１１と間隙設定用ゲージ
を介して紙葉送出ローラ２に押しつける。次に固
定ねじ６を締付けて保持枠体４を装置固定枠３に
固定したのち、前記間隙設定用ゲージ２，１１間
から引き抜けば、ローラ２，１１間に所望の紙葉
の通過を許すための間隙△Ｒを設定することがで
きる。 The above-mentioned two-sheet feed detection device uses the sheet feed roller 2.
When a sheet of paper 1 thicker than the gap ΔR between the roller and the driven roller 11 passes through, the driven roller 11 moves and the switch actuating member 9 rotates around the pin 10, so that the switch 8 is actuated. It is configured. In this detection device, the setting work of the gap ΔR is performed in the following procedure. In other words, the setting work first involves setting the fixing screw 6.
warm up. Next, warm up the gap setting screw 15. As a result, the holding frame 4 is rotated clockwise around the shaft 7 by the spring force of the tension spring 14.
A gap is formed between the paper feed roller 2 and the driven roller 11. After inserting the gap setting gauge into this gap, screw in the gap setting screw 15 again and rotate the holding frame 4 counterclockwise about the shaft 7 to connect the driven roller 11 and the gap setting gauge. The paper sheet is pressed against the paper feed roller 2 through the paper sheet feed roller 2. Next, tighten the fixing screw 6 to fix the holding frame 4 to the device fixing frame 3, and then pull it out from between the gap setting gauges 2 and 11 to allow the desired paper sheet to pass between the rollers 2 and 11. It is possible to set a gap ΔR for this purpose.
上述した検知装置は、間隙設定用ゲージを用い
ているが、その間隙設定作業手順が多いため、そ
の調整作業に多大な時間を必要とする。また多大
な時間を掛けてローラ２，１１間の間隙を調整し
ても、従動ローラ１１の紙葉送出ローラ２への押
付力によつてかならずしもローラ２，１１間の間
隙が所期の間隙に設定されていないことがある。
このため、紙葉検知時にスイツチ８が誤動作する
ことがあつた。 The above-mentioned detection device uses a gap setting gauge, but since there are many steps for setting the gap, a large amount of time is required for the adjustment work. Furthermore, even if you spend a lot of time adjusting the gap between the rollers 2 and 11, the gap between the rollers 2 and 11 may not always reach the desired gap due to the pressing force of the driven roller 11 against the paper feed roller 2. It may not be set.
For this reason, the switch 8 sometimes malfunctioned when a paper sheet was detected.
本発明は、上記の点にかんがみ紙葉送出ローラ
と従動ローラとの間の紙葉通過間隙を所期の値に
設定することができると共にその設定作業を極め
て簡単に行うことができる紙葉の２枚送り検知装
置を提供することを目的とする。
In view of the above-mentioned points, the present invention makes it possible to set the sheet passing gap between the sheet delivery roller and the driven roller to a desired value, and to perform the setting operation extremely easily. The purpose of the present invention is to provide a two-sheet feed detection device.
本発明の特徴とするところは、従動ローラを備
えるスイツチ作動部材の反従動ローラ側端に、２
位置調整部材を対向して設け、この調整部材の２
位置によつて、スイツチ作動部材を微少傾動させ
て、紙葉送出ローラと従動ローラとの間に、所期
の間隙を設定し得るようにしたものである。
The feature of the present invention is that a switch actuating member equipped with a driven roller has two
Position adjustment members are provided facing each other, and two of the adjustment members are
Depending on the position, the switch actuating member can be slightly tilted to set a desired gap between the sheet delivery roller and the driven roller.
以下、本発明の一実施例を図面について説明す
る。
An embodiment of the present invention will be described below with reference to the drawings.
第２図は本発明の検知装置の一例を示すもの
で、図において、第１図と同符号のものは同一部
分または相当する部分である。この例では装置固
定枠３は紙葉送出方向に直角な軸３ａに固定され
ている。この装置固定枠３は長孔１６を備えてい
る。スイツチ作動部材９、スイツチ８などを備え
た保持枠体４の一端側は前記軸３ａと平行なる軸
４ａに揺動可能に取付けられ、他端側は長孔１６
に係合する固定ねじ１７によつて装置固定枠３に
固定されている。１８はスイツチ８に対応するス
イツチ作動部材９に設けられたスイツチ作動点調
整ねじ、１９はスイツチ作動部材９の反従動ロー
ラ側端の下面に接するように保持枠体４に取付け
られた調整部材である。この調整部材１９は、ピ
ン軸２０を支点として第２図の実線で示す第１位
置と２点鎖線で示す第２位置とに移動することが
でき、また前記各位置において第２図に示すデラ
ント装置２１により係止される。この調整部材１
９は、前述したように第１位置のときにスイツチ
作動部材９の下面に対接する第１接触面１９ａと
第２位置のときにスイツチ作動部材９の下面に対
接する第２接触面１９ｂとを有している。この第
１接触面１９ａからピン軸２０までの距離をx1と
し、第２接触面１９ｂからピン軸２０までの距離
をx2とすると、前記距離x1は距離x2より大きく設
定され、またこの距離の差△Ｓ（x1−x2）はピン
１０を支点とするスイツチ作動部材９のレバー比
によつてローラ２，１１間に所期の紙葉通過間隙
△Ｒを生ずるように設定されている。２２は調整
部材１９を第１位置に固定するためのねじ、２３
はスイツチ作動部材９の固定用のねじで、このね
じ２３はローラ２，１１間の間隙設定時において
調整部材１９を２点鎖線で示す第２位置に回転さ
せたときに、調整部材１９のねじ孔２４との螺合
によりスイツチ作動部材９の移動を抑える作用を
する。 FIG. 2 shows an example of the detection device of the present invention, and in the figure, the same reference numerals as in FIG. 1 indicate the same or corresponding parts. In this example, the device fixing frame 3 is fixed to a shaft 3a perpendicular to the sheet feeding direction. This device fixing frame 3 is provided with a long hole 16. One end of the holding frame 4, which includes the switch operating member 9, the switch 8, etc., is swingably attached to a shaft 4a parallel to the shaft 3a, and the other end is provided with a long hole 16.
It is fixed to the device fixing frame 3 by a fixing screw 17 that engages with the device fixing frame 3. Reference numeral 18 denotes a switch operating point adjusting screw provided on the switch operating member 9 corresponding to the switch 8, and 19 an adjusting member attached to the holding frame 4 so as to be in contact with the lower surface of the end of the switch operating member 9 on the side opposite to the driven roller. be. This adjusting member 19 can be moved around the pin shaft 20 as a fulcrum between a first position shown by a solid line in FIG. 2 and a second position shown by a two-dot chain line. It is locked by device 21. This adjustment member 1
9 has a first contact surface 19a that contacts the lower surface of the switch operating member 9 when in the first position and a second contact surface 19b that contacts the lower surface of the switch operating member 9 when the switch is in the second position. have. If the distance from the first contact surface 19a to the pin shaft 20 is x 1 , and the distance from the second contact surface 19b to the pin shaft 20 is x 2 , then the distance x 1 is set larger than the distance x 2 , and This distance difference ΔS (x 1 −x 2 ) is set by the lever ratio of the switch actuating member 9 with the pin 10 as the fulcrum so as to create the desired sheet passing gap ΔR between the rollers 2 and 11. has been done. 22 is a screw for fixing the adjustment member 19 in the first position; 23
is a screw for fixing the switch actuating member 9, and this screw 23 is a screw of the adjusting member 19 when the adjusting member 19 is rotated to the second position shown by the two-dot chain line when setting the gap between the rollers 2 and 11. The screw engagement with the hole 24 serves to suppress movement of the switch actuating member 9.
次に上述した本発明の装置におけるローラ２，
１１間の紙葉通過間隙を設定する作業を第２図に
よつて説明する。第２図においては、紙葉１の通
過間隙△Ｒを説明するために、ローラ２，１１間
に紙葉１が挾持されている状態を示しているが本
発明の紙葉通過間隙を設定する作業においては、
ローラ２，１１間に紙葉１を挾持することはな
い。 Next, the roller 2 in the device of the present invention described above,
The operation of setting the sheet passing gap between 11 and 11 will be explained with reference to FIG. In FIG. 2, in order to explain the passage gap ΔR of the paper sheet 1, the paper sheet 1 is shown being held between the rollers 2 and 11, but the paper sheet passage gap of the present invention is set. In the work,
The paper sheet 1 is not held between the rollers 2 and 11.
まず、調整部材１９を第２図の実線で示す第１
位置に保持する。そして、この状態において、ス
イツチ作動部材９が動いたらスイツチ８が作動す
るように、スイツチ作動点調整ねじ１８を調整す
る。次に調整部材１９を第２図の２点鎖線で示す
第２位置に移動させる。前述したように調整部材
１９の第１接触面１９ａとピン軸２０及び第２接
触面１９ｂとピン軸２０との間に△Ｓの距離差を
有するので調整部材１９を第２の位置に移動させ
ると、この距離差△Ｓによりスイツチ作動部材９
の反従動ローラ側端はピン１０を支点として△Ｓ
量だけ反時計方向に回動し、これに伴いスイツチ
作動部材９の一端側に設けられた従動ローラ１１
は△Ｒ量上昇する。この状態において、ねじ２３
によつてスイツチ作動部材９を調整部材１９に固
定したのち、固定ねじ１７を暖めて、保持枠体４
を軸４ａを支点として反時計方向に回動させて、
従動ローラ１１を紙葉送出ローラ２に接触させ
る。次に、ねじ２３によるスイツチ作動部材９と
調整部材１９との結合を解いたのち、調整部材１
９を再び第１位置に移動させて、ねじ２２によつ
て保持枠体４に固定する。これにより、スイツチ
作動部材９はばね部材１２のばね力により前述と
は逆にピン１０を支点として△Ｓ量だけ時計方向
に回動する。これに伴い、スイツチ作動部材９の
一端側に設けられた従動ローラ１１は、紙葉送出
ローラ２に対して離間し紙葉送出ローラ２との間
に所期の紙葉通過間隙△Ｓを形成する。そして、
この紙葉通過間隙△Ｓよりも厚い紙葉が、ローラ
２，１１間を通過すると、従動ローラ１１はロー
ラ２，１１間の間隙を大きくする方向に移動し、
これによりスイツチ作動部材９はピン１０を支点
として時計方向に回動するので、スイツチ作動部
材９を介してスイツチ８が作動される。 First, adjust the adjustment member 19 to the first position shown by the solid line in FIG.
hold in position. In this state, the switch operating point adjustment screw 18 is adjusted so that the switch 8 is operated when the switch operating member 9 moves. Next, the adjustment member 19 is moved to the second position shown by the two-dot chain line in FIG. As described above, since there is a distance difference of ΔS between the first contact surface 19a of the adjustment member 19 and the pin shaft 20, and between the second contact surface 19b and the pin shaft 20, the adjustment member 19 is moved to the second position. And, due to this distance difference ΔS, the switch actuating member 9
The opposite end of the driven roller is △S with pin 10 as the fulcrum.
The driven roller 11 provided at one end of the switch actuating member 9 rotates counterclockwise by the same amount.
increases by △R amount. In this state, the screw 23
After fixing the switch operating member 9 to the adjusting member 19 with
Rotate counterclockwise about the shaft 4a as a fulcrum,
The driven roller 11 is brought into contact with the paper feed roller 2. Next, after the switch operating member 9 and the adjusting member 19 are uncoupled by the screw 23, the adjusting member 1
9 is moved to the first position again and fixed to the holding frame 4 with the screws 22. As a result, the switch actuating member 9 is rotated clockwise by the amount ΔS by the spring force of the spring member 12, using the pin 10 as a fulcrum, contrary to the above description. Accordingly, the driven roller 11 provided at one end of the switch actuating member 9 separates from the sheet delivery roller 2 to form the desired sheet passage gap ΔS between the sheet delivery roller 2 and the sheet delivery roller 2. do. and,
When a sheet thicker than this sheet passing gap ΔS passes between the rollers 2 and 11, the driven roller 11 moves in the direction of increasing the gap between the rollers 2 and 11,
As a result, the switch actuating member 9 rotates clockwise about the pin 10, so that the switch 8 is actuated via the switch actuating member 9.
以上詳述したように、本発明はスイツチ作動部
材に取付けた従動ローラを、紙葉送出ローラに接
触させたのち、調整部材の移動によつてスイツチ
作動部材を傾動させて、紙葉送出ローラと従動ロ
ーラとの間に所期の紙葉の通過間隙を形成するよ
うにしたので、従来の検知装置にくらべて間隙設
定作業能率を著しく向上させることができる。ま
た本発明は従来のような間隙設定用ゲージを用い
ずに、スイツチ作動部材のレバー比を利用てロー
ラ間に間隙を設定するようにしたので、間隙調整
のばらつきが均一化されて検知装置の信頼性を更
に向上させることができる。
As described in detail above, the present invention brings the driven roller attached to the switch actuating member into contact with the sheet feeding roller, and then tilts the switch actuating member by moving the adjustment member, thereby causing the driven roller attached to the sheet feeding roller to contact the sheet feeding roller. Since a desired gap is formed between the paper sheet and the driven roller, the efficiency of gap setting work can be significantly improved compared to conventional detection devices. In addition, the present invention uses the lever ratio of the switch actuating member to set the gap between the rollers without using a conventional gap setting gauge, so variations in gap adjustment are equalized and the detection device is Reliability can be further improved.
第１図は従来の紙葉の２枚送り検知装置の一例
を示す正面図、第２図は本発明の紙葉の２枚送り
検知装置の一例を示す正面図、第３図は第２図の
−線からの断面図である。
１……紙葉、２……紙葉送出ローラ、４……保
持枠体、８……スイツチ、９……スイツチ作動部
材、１１……従動ローラ、１９……調整部材。
FIG. 1 is a front view showing an example of a conventional two-sheet feed detection device, FIG. 2 is a front view showing an example of a two-sheet feed detection device of the present invention, and FIG. FIG. DESCRIPTION OF SYMBOLS 1...Paper leaf, 2...Paper feed roller, 4...Holding frame body, 8...Switch, 9...Switch operating member, 11...Followed roller, 19...Adjustment member.
Claims (1)
この紙葉送出ローラに所定の間隙を有して対向す
る従動ローラと、この従動ローラを支持し、支点
を介して保持枠体に揺動自在に設けられたスイツ
チ作動部材と、前記スイツチ作動部材に係合する
ように前記保持枠体に設けられ、前記ローラ間に
ローラ間隙より厚い紙葉が通過したときにスイツ
チ作動部材の揺動により作動する検知用スイツチ
を備えた紙葉の２枚送り検知装置において、前記
保持枠体には、前記スイツチ作動部材の反従動ロ
ーラ側端に対接す調整部材を、スイツチ作動部材
に対し第１の位置と第２の位置に移動し保持でき
るように支点を介して揺動可能に設け、前記調整
部材は、第１の位置のときに前記スイツチ作動部
材に対接する第１接触面と第２の位置のとき前記
スイツチ作動部材に対接する第２接触面とを有
し、前記調整部材の第１接触面から支点までの距
離を第２接触面から支点までの距離より大とし、
これらの距離の差は、前記スイツチ作動部材の支
点により決まる支点と従動ローラ間距離及び支点
と調整部材間距離の比により前記送出ローラと従
動ローラ間を一定量離間するように設定し、２枚
重ねの紙葉が前記ローラ間を通過するときの従動
ローラの移動によるスイツチ作動部材の揺動によ
り、前記検知用スイツチを作動させるようにした
ことを特徴とする紙葉の２枚送り検知装置。1. A paper feed roller installed in the middle of paper transport,
a driven roller that faces the paper feed roller with a predetermined gap; a switch operating member that supports the driven roller and is swingably provided on the holding frame via a fulcrum; and the switch operating member. A two-sheet feeder comprising a detection switch provided on the holding frame so as to engage with the holding frame and activated by swinging of a switch actuating member when a sheet thicker than the roller gap passes between the rollers. In the detection device, the holding frame is configured to move and hold an adjusting member that is in contact with an end of the switch actuating member on the opposite side of the driven roller to a first position and a second position with respect to the switch actuating member. The adjusting member is provided to be swingable via a fulcrum, and the adjusting member has a first contact surface that contacts the switch operating member when in a first position and a second contact surface that contacts the switch operating member when in a second position. and a distance from the first contact surface of the adjustment member to the fulcrum is greater than the distance from the second contact surface to the fulcrum,
The difference in these distances is determined by the ratio of the distance between the fulcrum and the driven roller determined by the fulcrum of the switch actuating member and the distance between the fulcrum and the adjustment member, and is set so that the delivery roller and the driven roller are separated by a certain amount. A two-sheet feed detection device for two sheets of paper, characterized in that the detection switch is actuated by the swinging of a switch actuating member caused by the movement of a driven roller when stacked sheets of paper pass between the rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10988577A JPS5445074A (en) | 1977-09-14 | 1977-09-14 | Device of detecting two sheet feed of paper piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10988577A JPS5445074A (en) | 1977-09-14 | 1977-09-14 | Device of detecting two sheet feed of paper piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5445074A JPS5445074A (en) | 1979-04-10 |
| JPS6115013B2 true JPS6115013B2 (en) | 1986-04-22 |
Family
ID=14521621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10988577A Granted JPS5445074A (en) | 1977-09-14 | 1977-09-14 | Device of detecting two sheet feed of paper piece |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5445074A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0560586U (en) * | 1992-01-18 | 1993-08-10 | 象印マホービン株式会社 | Stationary water purifier |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58224938A (en) * | 1982-06-22 | 1983-12-27 | Toppan Printing Co Ltd | Detector for double-feeding of paper sheets |
| JPS6090605U (en) * | 1983-11-25 | 1985-06-21 | 株式会社三協精機製作所 | medium detection device |
-
1977
- 1977-09-14 JP JP10988577A patent/JPS5445074A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0560586U (en) * | 1992-01-18 | 1993-08-10 | 象印マホービン株式会社 | Stationary water purifier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5445074A (en) | 1979-04-10 |
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