JPH0253342B2 - - Google Patents
Info
- Publication number
- JPH0253342B2 JPH0253342B2 JP59138535A JP13853584A JPH0253342B2 JP H0253342 B2 JPH0253342 B2 JP H0253342B2 JP 59138535 A JP59138535 A JP 59138535A JP 13853584 A JP13853584 A JP 13853584A JP H0253342 B2 JPH0253342 B2 JP H0253342B2
- Authority
- JP
- Japan
- Prior art keywords
- roller
- torque
- force
- forms
- pulling
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
- B65H3/52—Friction retainers acting on under or rear side of article being separated
- B65H3/5246—Driven retainers, i.e. the motion thereof being provided by a dedicated drive
- B65H3/5253—Driven retainers, i.e. the motion thereof being provided by a dedicated drive the retainers positioned under articles separated from the top of the pile
- B65H3/5261—Retainers of the roller type, e.g. rollers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Description
【発明の詳細な説明】
（技術分野）
本発明は、帳票送り出し機構に関し、特に光学
文字読取装置等に使用され、帳票載せ台に積み重
ねられた帳票を一枚一枚送り出す帳票送り出し機
構に関する。TECHNICAL FIELD The present invention relates to a form feeding mechanism, and more particularly to a form feeding mechanism that is used in an optical character reading device and the like and feeds out forms stacked on a form mounting table one by one.
（従来技術）
従来の帳票送り出し機構は、第１図、および第
２図に示すように帳票押し出しローラ１の周囲が
マサツ係数の高い物質（斜線部）でできており、
スプリング６によりレバー８を介して、帳票載せ
台５に積み重ねられた帳票１０の表面に押しつけ
られ、外部から矢印ａ方向に回転させられること
により、帳票１０を矢印ｅ方向に送り出す。(Prior Art) As shown in FIGS. 1 and 2, in a conventional form sending mechanism, the periphery of the form pushing roller 1 is made of a material with a high mass coefficient (shaded area).
The spring 6 presses the form 10 through the lever 8 against the surface of the form 10 stacked on the form table 5 and rotates it from the outside in the direction of the arrow a, thereby feeding the form 10 in the direction of the arrow e.
帳票引つ張りローラ２も帳票押し出しローラ１
と同様に周囲がマサツ係数の高い物質（斜線部）
でできており、矢印ｂ方向に外部から回転させら
れることにより、帳票押し出しローラ１により押
し出された帳票１０を矢印ｅ方向に引つ張る。 Form pulling roller 2 and form pushing roller 1
Similar to , the surrounding material has a high Masatsu coefficient (shaded area)
When rotated from the outside in the direction of arrow b, it pulls the form 10 pushed out by the form pushing roller 1 in the direction of arrow e.
二枚送り防止ローラ３は、周囲が、帳票引張り
ローラ２の周囲の物質より、マサツ係数の低い物
質（点々部）でできており、スプリング１２によ
り、レバー７を介して、引張りローラ２に、所定
の力で押しつけられている。 The double-sheet feed prevention roller 3 is surrounded by a material (dotted portions) that has a lower mass coefficient than the material surrounding the form pulling roller 2, and is applied to the pulling roller 2 by a spring 12 via a lever 7. It is pressed with a predetermined force.
この二枚送り防止ローラ３は、矢印Ｃ方向に外
部より回転させられる。従つて、帳票押し出しロ
ーラ１により矢印ｅ方向に押し出された帳票１０
は帳票引張りローラ２により、さらに同方向に引
張り出されるが、この時、二枚重なつて帳票が押
し出された場合、二枚送り防止ローラ３の矢印ｅ
と逆方向の搬送力によつて二枚の帳票のうち下側
の帳票は帳票載せ台５の方向に戻され、帳票の二
枚送りは防止される。 This double-sheet feed prevention roller 3 is rotated from the outside in the direction of arrow C. Therefore, the form 10 pushed out in the direction of arrow e by the form pushing roller 1
is further pulled out in the same direction by the form pulling roller 2, but at this time, if two overlapping forms are pushed out, the arrow e of the double sheet feed prevention roller 3
Due to the conveying force in the opposite direction, the lower of the two forms is returned toward the form mounting table 5, thereby preventing two forms from being fed.
しかし、従来の機構では、最後の帳票１１と、
帳票載せ台５との間のマサツ係数が、低くなりが
ちで、第２図に示すように、帳票押し出しローラ
１で帳票１０、と帳票１１とが一緒に押し出され
る可能性が大きく、二枚防止ローラが取付いてい
るにもかかわらず、充分作動せず、二枚送りの事
故が発生しがちであるという欠点を有していた。 However, in the conventional mechanism, the last form 11 and
The massing coefficient between the sheet and the form mounting table 5 tends to be low, and as shown in FIG. Even though rollers are installed, they do not work properly and have the disadvantage of being prone to double-sheet feeding accidents.
（発明の目的）
本発明の目的は、従来の帳票送り出し機構にお
ける欠点を解決し、帳票載せ台に積み重ねられた
帳票を一枚一枚送り出す帳票送り出し機構を提供
することにある。(Object of the Invention) An object of the present invention is to solve the drawbacks of conventional form sending mechanisms and to provide a form sending mechanism that feeds out the forms stacked on a form mounting table one by one.
（発明の構成）
本発明によれば、帳票載せ台上に積み重ねられ
た帳票を押圧し、前記帳票を押し出す帳票押し出
しローラと、前記帳票押し出しローラにより押し
出された前記帳票を搬送する帳票引つ張りローラ
と、該ローラに対向する位置に設けられ、前記帳
票引つ張りローラに押圧力を与えて、前記帳票に
搬送方向と逆方向の戻し力を与える二枚送り防止
ローラと、前記帳票押し出しローラに対向し、押
圧力を与えられ、かつあるトルク力以上のトルク
力が加わると回転するトルクローラとからなるこ
とを特徴とする、帳票送り出し機構が得られる。(Structure of the Invention) According to the present invention, there is provided a form pushing roller that presses the forms stacked on a form mounting table and pushes out the forms, and a form pulling roller that conveys the forms pushed out by the form pushing rollers. a roller, a double-feed prevention roller that is provided at a position facing the roller and applies a pressing force to the form pulling roller to apply a returning force to the form in a direction opposite to the conveying direction; and the form pushing roller. A form feeding mechanism is obtained, which is characterized by comprising a torque roller that faces the roller, is applied with a pressing force, and rotates when a torque force greater than a certain torque force is applied.
（実施例）
次に本発明の実施例について図面を参照して説
明する。(Example) Next, an example of the present invention will be described with reference to the drawings.
第３図乃至第５図は本発明の一実施例における
各状態を示す。第３図乃至第５図において、本実
施例は帳票載せ台２５上に積み重ねられた帳票３
０，３１を押圧し、前記帳票を押し出しローラ２
１と、前記帳票押し出しローラにより押し出され
た前記帳票３０を搬送する帳票引つ張りローラ２
２と、該ローラ２２に対向する位置に設けられ、
前記帳票引つ張りローラ２２に押圧力を与えて、
前記帳票に搬送方向と逆方向の戻し力を与える二
枚送り防止ローラ２３と、前記帳票押し出しロー
ラに対向し、押圧力が与えられ、あるトルク力以
上のトルク力が加わると回転するトルクローラ２
４とを含む。 3 to 5 show each state in an embodiment of the present invention. In FIGS. 3 to 5, this embodiment shows the form 3 stacked on the form mounting table 25.
0, 31 and push out the form from roller 2.
1, and a form pulling roller 2 that conveys the form 30 pushed out by the form pushing roller.
2, provided at a position facing the roller 22,
Applying a pressing force to the form pulling roller 22,
a double-feed prevention roller 23 that applies a return force to the form in the opposite direction to the conveyance direction; and a torque roller 2 that faces the form extrusion roller and rotates when a pressing force is applied and a torque force of a certain torque force or more is applied.
4.
帳票押し出しローラ２１はその周囲がマサツ係
数の高い物質（斜線部）でできており、スプリン
グ２６により、支点２８ａを持つレバー２８を介
して帳票載せ台２５に積み重ねられた帳票３０の
表面に押しつけられ、外部から矢印ａ方向に回転
させられることにより、帳票３０を矢印ｅ方向に
送り出すように構成されている。 The form pushing roller 21 has its periphery made of a material with a high mass coefficient (shaded area), and is pressed against the surface of the forms 30 stacked on the form mounting table 25 by a spring 26 via a lever 28 having a fulcrum 28a. , is configured to send out the form 30 in the direction of arrow e by being rotated from the outside in the direction of arrow a.
帳票引つ張りローラ２２は帳票押し出しローラ
２１と同様にその周囲がマサツ係数の高い物質
（斜線部）でできており、矢印ｂ方向に外部から
回転させられることにより、帳票押し出しローラ
２１により押し出された帳票３０を矢印ｅ方向に
引つ張るように構成されている。 Like the form pushing roller 21, the form pulling roller 22 has its periphery made of a material with a high mass coefficient (shaded area), and is pushed out by the form pushing roller 21 by being rotated from the outside in the direction of arrow b. The document 30 is pulled in the direction of the arrow e.
二枚送り防止ローラ２３は、周囲が帳票引つ張
りローラ２２の周囲の物質より、マサツ係数の低
い物質（点々部）でできており、スプリング３２
により、支点２７ａを持つレバー２７を介して、
引つ張りローラ２２に、所定の力で押すつけら
れ、かつ矢印Ｃ方向に外部より回転させるように
構成されている。 The double-sheet feed prevention roller 23 has a periphery made of a material (dotted portions) having a lower stiffness coefficient than the material surrounding the form tension roller 22, and has a spring 32.
Through the lever 27 having the fulcrum 27a,
It is configured to be pressed against the tension roller 22 with a predetermined force and rotated from the outside in the direction of arrow C.
従つて帳票押し出しローラ２１により矢印ｅ方
向に押し出された帳票３０は、帳票引つ張りロー
ラ２２により、さらに同方向に引つ張り出される
が、この時、二枚重なつて帳票が押し出された場
合、二枚送り防止ローラ２３の矢印ｅと逆方向の
搬送力によつて二枚の帳票のうち下側の帳票は帳
票載せ台２５の方向に戻され、帳票の二枚送りは
防止される。 Therefore, the form 30 pushed out in the direction of the arrow e by the form pushing roller 21 is further pulled out in the same direction by the form tensioning roller 22, but at this time, two forms overlap and are pushed out. In this case, the lower of the two forms is returned toward the form mounting table 25 by the conveying force of the double-sheet feed prevention roller 23 in the direction opposite to the arrow e, and double-sheet feeding of the form is prevented. .
トルクローラ２４は帳票押し出しローラ２１に
対し、押圧力が与えられるように帳票載せ台２５
に取付けられている。このトルクローラ２４はそ
の周囲が高いマサツ係数の物質（斜線部）ででき
ており、あるトルク力以上のトルク力が加わると
回転するように構成されている。 The torque roller 24 is mounted on the form mounting table 25 so as to apply a pressing force to the form pushing roller 21.
installed on. The circumference of the torque roller 24 is made of a material with a high Masatsu coefficient (shaded area), and is configured to rotate when a torque force greater than a certain torque force is applied.
本実施例においては、各ローラのマサツ係数、
トルク、押圧力およびトルクローラの半径を下記
に示す。 In this example, the Masatsu coefficient of each roller,
The torque, pressing force, and radius of the torque roller are shown below.
μ1……帳票押し出しローラ２１と帳票３０との間
のマサツ係数、かつ、トルクローラ２４と帳
票１１との間のマサツ係数
μ2……帳票（P1）３０と帳票３１との間のマサツ
係数（μ2＜μ1とする。）
ｗ……押し出しローラ２１の帳票３０，３１への
押圧力（調整可能とする。）
T0……トルクローラ２４に回転を与えることの
できる最小のトルク値（調整可能とする。）
γ……トルクローラ２４の半径
とする。μ 1 ... The massing coefficient between the form pushing roller 21 and the form 30, and the massing coefficient between the torque roller 24 and the form 11 μ 2 ... The massing coefficient between the form (P 1 ) 30 and the form 31 Coefficient (μ 2 <μ 1 ) w...Press force of push roller 21 on forms 30, 31 (adjustable) T 0 ...Minimum torque that can give rotation to torque roller 24 Value (adjustable) γ...The radius of the torque roller 24.
本実施例においては第３図に示すように帳票３
０，３１を帳票載せ台２５に置いたもので、帳票
押し出しローラ２１に何ら押圧力が加えない状態
である。 In this embodiment, as shown in FIG.
0 and 31 are placed on the form mounting table 25, and no pressing force is applied to the form extrusion roller 21.
帳票３０のみを押し出すには
μ2w＜μ1w……(1)
μ2wγ＜T0……(2)
(1)，(2)の式が成立するようにｗ，T0を調整すれ
ば、帳票押し出しローラ２１が回転したとき、帳
票３０のみを第４図に示すように押し出すことが
できる。 To push out only form 30, μ 2 w＜μ 1 w……(1) μ 2 wγ＜T 0 ……(2) Adjust w and T 0 so that the formulas (1) and (2) hold. Then, when the form pushing roller 21 rotates, only the form 30 can be pushed out as shown in FIG.
更に帳票３１を押し出すには
T0＜μ1wγ……(3)
(3)の式が成立するようにｗ，T0を調整すれば、
帳票押し出しローラ２１が回転したとき、帳票１
１を介して、トルクローラ２４が矢印ｄ方向に回
され、帳票３１は第５図に示すように押し出され
ることになる。 To further push out the form 31, T 0 <μ 1 wγ...(3) If you adjust w and T 0 so that the formula (3) holds,
When the form pushing roller 21 rotates, the form 1
1, the torque roller 24 is rotated in the direction of arrow d, and the form 31 is pushed out as shown in FIG.
なお、式(1)，(2)，(3)より
μ2w＜T0＜μ1wγ……(4)
(4)式を満足するようにＷ，T0を調整することは
可能である。 Furthermore, from equations (1), (2), and (3), it is possible to adjust W and T 0 so that μ 2 w＜T 0 <μ 1 wγ……(4) (4) is satisfied. be.
本実施例は以上のように、式(4)を満足するよう
にｗ，T0を調整すれば、帳票載せ台２５の帳票
枚数が少なくなつたとき（残り二枚となつたとき
など）帳票押し出しが可能になる。 As described above, in this embodiment, if w and T 0 are adjusted to satisfy equation (4), when the number of forms on the form mounting table 25 decreases (such as when there are only two remaining), Extrusion becomes possible.
（発明の効果）
本発明は以上説明したように帳票載せ台にトル
クローラを設けることにより帳票を一枚一枚押し
出すことができると共に残り二枚となつたものも
安定にかつ確実に帳票押し出しを可能とする効果
がある。(Effects of the Invention) As explained above, the present invention can push out the forms one by one by providing a torque roller on the form mounting table, and can also stably and reliably push out the remaining two forms. It has the effect of making it possible.
第１図は従来の帳票送り出し機構における帳票
を送り出す前の状態を示す図、第２図は帳票が二
枚一緒に送り出され、二枚送り防止ローラが正常
に作動しないで、二枚送りが発生した状態を示す
図、第３図は、本発明の一実施例における帳票を
送り出す前の状態を示す図、第４図は、本実施例
におけるトルクローラの働きにより、最後から２
番目の帳票が一枚だけ正常に送り出された状態を
示す図、第５図は、トルクローラの働きによつ
て、最後の帳票が正常に送り出された状態を示す
図である。
２１……帳票押し出しローラ、２２……帳票引
つ張りローラ、２３……二枚送り防止ローラ、２
４……トルクローラ、２５……帳票載せ台、２６
……スプリング、２７，２８……レバー、２９…
…ブラケツト、３０……帳票、３１……帳票、３
２……スプリング。
Figure 1 is a diagram showing the state before a form is sent out in a conventional form feed mechanism, and Figure 2 shows two forms being sent out together, and the double-sheet feeding prevention roller does not operate properly, resulting in double-sheet feeding. FIG. 3 is a diagram showing the state before sending out the form in one embodiment of the present invention, and FIG. 4 is a diagram showing the state before sending out the form in one embodiment of the invention.
FIG. 5 is a diagram showing a state in which only the first form has been sent out normally, and FIG. 5 is a diagram showing a state in which the last form has been sent out normally by the action of the torque roller. 21... Form pushing roller, 22... Form pulling roller, 23... Double sheet feeding prevention roller, 2
4... Torque roller, 25... Form loading table, 26
...Spring, 27, 28...Lever, 29...
... Bracket, 30... Ledger, 31... Ledger, 3
2...Spring.
Claims (1)
し、前記帳票を押し出す帳票押し出しローラと、
前記帳票押し出しローラにより押し出された前記
帳票を搬送する帳票引つ張りローラと、該ローラ
に対向する位置に設けられ、前記帳票引つ張りロ
ーラに押圧力を与えて、前記帳票に搬送方向と逆
方向の戻し力を与える二枚送り防止ローラと、前
記帳票押し出しローラに対向し、押圧力を与えら
れ、かつあるトルク力以上のトルク力が加わる
と、回転するトルクローラとからなることを特徴
とする、帳票送り出し機構。1. A form pushing roller that presses the forms stacked on the form mounting table and pushes out the forms;
A form pulling roller that conveys the form pushed out by the form pushing roller, and a form tensioning roller provided at a position facing the roller, applying a pressing force to the form pulling roller and pulling the form in the opposite direction to the conveyance direction. The device is characterized by comprising a double-feed prevention roller that applies a returning force in the direction, and a torque roller that faces the form extrusion roller and rotates when a pressing force is applied and a torque force greater than a certain torque force is applied. Form sending mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13853584A JPS6118649A (en) | 1984-07-04 | 1984-07-04 | Business-form sending-out mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13853584A JPS6118649A (en) | 1984-07-04 | 1984-07-04 | Business-form sending-out mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6118649A JPS6118649A (en) | 1986-01-27 |
| JPH0253342B2 true JPH0253342B2 (en) | 1990-11-16 |
Family
ID=15224422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13853584A Granted JPS6118649A (en) | 1984-07-04 | 1984-07-04 | Business-form sending-out mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6118649A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573336A (en) * | 2017-09-28 | 2020-08-25 | 精工爱普生株式会社 | image reading device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0257841U (en) * | 1988-10-19 | 1990-04-25 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56145044A (en) * | 1980-04-15 | 1981-11-11 | Canon Inc | Automatic feeder for sheet material |
| JPS5720515U (en) * | 1980-07-09 | 1982-02-02 | ||
| JPS5948340A (en) * | 1982-09-09 | 1984-03-19 | Toshiba Corp | Sheet separating and feeding device |
-
1984
- 1984-07-04 JP JP13853584A patent/JPS6118649A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573336A (en) * | 2017-09-28 | 2020-08-25 | 精工爱普生株式会社 | image reading device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6118649A (en) | 1986-01-27 |
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