JPH066342U - Paper feeder - Google Patents
Paper feederInfo
- Publication number
- JPH066342U JPH066342U JP5041692U JP5041692U JPH066342U JP H066342 U JPH066342 U JP H066342U JP 5041692 U JP5041692 U JP 5041692U JP 5041692 U JP5041692 U JP 5041692U JP H066342 U JPH066342 U JP H066342U
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- paper
- driven rollers
- arms
- drive roller
- 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.)
- Granted
Links
Landscapes
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Abstract
(57)【要約】
【目的】 簡単な構成で用紙の搬送で用紙にシワが発生
しないようにしたこと。
【構成】 基枠１、１′が並行に保持されて基枠１、
１′にロ−ル状に巻かれた用紙２の支持軸３が軸承され
と共に、駆動ロ−ラ４の回転軸５が軸承されている。駆
動ロ−ラ４の回転軸５は図示しない駆動源で回転され
る。更に基枠１、１′にはバネ板からなるア−ム６、
６′の一端が夫々ビス10、11で固定されている。ア−ム
６、６′の他端には夫々軸12、13で従動ロ−ラ７、７′
が回転自在に軸承されている。従動ロ−ラ７、７′はバ
ネ板からなるア−ム６、６′で駆動ロ−ラ４側に押圧付
勢されると共に、用紙２の幅方向に離して配置されてい
る。
(57) [Summary] [Purpose] To prevent wrinkles from being generated when the paper is conveyed with a simple configuration. [Structure] The base frames 1 and 1'are held in parallel to each other,
A support shaft 3 of a sheet 2 wound in a roll shape on 1'is supported, and a rotary shaft 5 of a drive roller 4 is also supported. The rotary shaft 5 of the drive roller 4 is rotated by a drive source (not shown). Further, on the base frames 1, 1 ', an arm 6 made of a spring plate,
One end of 6'is fixed with screws 10 and 11, respectively. At the other ends of the arms 6 and 6 ', driven rollers 7 and 7'are attached to the shafts 12 and 13 respectively.
Is rotatably supported. The driven rollers 7 and 7 ′ are pressed and urged toward the drive roller 4 by the arms 6 and 6 ′ made of spring plates, and are arranged apart from each other in the width direction of the sheet 2.
Description
【０００１】[0001]
本考案は、駆動ロ−ラと押圧従動ロ−ラ間に用紙を挟んで搬送する用紙送り装 置に関する。 The present invention relates to a sheet feeding device that conveys a sheet with a sheet sandwiched between a driving roller and a pressing driven roller.
【０００２】[0002]
従来図５のようにロ−ル状に巻かれた用紙２を駆動ロ−ラと押圧従動ロ−ラ間 に挟んで搬送する用紙送り装置は、図９、図10のように用紙２が駆動ロ−ラ４と 一対の従動ロ−ラ７、７′間に挟まれて搬送されている。かつ従動ロ−ラは基枠 １、１′に保持された支持軸15にア−ム枠16、17を介して取り付けられると共に 、駆動ロ−ラ側に図10で時計方向に押圧付勢されていた。 Conventionally, as shown in FIGS. 5 and 10, a sheet feeding device that conveys a rolled sheet of paper 2 by sandwiching it between a driving roller and a pressing driven roller is used as shown in FIGS. It is conveyed by being sandwiched between the roller 4 and the pair of driven rollers 7, 7 '. The driven roller is attached to the support shaft 15 held by the base frames 1 and 1'via arm frames 16 and 17, and is urged clockwise toward the drive roller in FIG. Was there.
【０００３】 上記一対の従動ロ−ラ７、７′がア−ム枠16、17に回転中心軸18、19で夫々支 持される時、図９のように、支持軸15にア−ム枠16、17を直角に取り付ける場合 、両回転中心軸18、19の芯合わせを正確に平行にすることは非常に難しく、量産 時のネックになっていた。 即ち、図９のように支持軸15にア−ム枠16、17を直角に取り付け、かつ両回転 中心軸18、19の芯合わせが非平行の時は、搬送される用紙２が左右のどちらかに 偏って搬送されたり、一対の従動ロ−ラで用紙の端が中央へ寄せられて搬送され ると、図11のように用紙２にシワ2aが発生してしまう欠点があった。When the pair of driven rollers 7 and 7'are supported on the arm frames 16 and 17 by the rotation center shafts 18 and 19, respectively, as shown in FIG. When mounting the frames 16 and 17 at a right angle, it is extremely difficult to align the center axes of both rotation shafts 18 and 19 accurately, which is a bottleneck during mass production. That is, as shown in FIG. 9, when the arm frames 16 and 17 are attached to the support shaft 15 at a right angle and the center axes 18 and 19 of the both rotations are not aligned in parallel with each other, the sheet 2 to be conveyed is left or right If the paper is conveyed unevenly, or if the edges of the paper are moved toward the center by a pair of driven rollers, the paper 2 has wrinkles 2a as shown in FIG.
【０００４】[0004]
解決しようとする問題点は、用紙の搬送で用紙にシワが発生することである。 本考案の目的は上記欠点に鑑み、簡単な構成で用紙の搬送で用紙にシワが発生 しないようにした用紙送り装置を提案することである。 The problem to be solved is that wrinkles occur on the paper when the paper is conveyed. In view of the above-mentioned drawbacks, an object of the present invention is to propose a paper feeding device having a simple structure so that wrinkles do not occur in the paper when it is conveyed.
【０００５】[0005]
本考案は、駆動ロ−ラと押圧従動ロ−ラ間に用紙を挟んで搬送する装置に於て 、上記従動ロ−ラを用紙の幅方向に離して設け、両従動ロ−ラの回転中心を搬送 方向に傾斜させたことを要旨とするものである。 The present invention is an apparatus for conveying a sheet by sandwiching a sheet between a drive roller and a pressure driven roller, wherein the driven rollers are provided apart from each other in the width direction of the sheet, and the center of rotation of both driven rollers is provided. The gist is that the is inclined in the transport direction.
【０００６】[0006]
図３で用紙２が上方の送り出し方向に搬送される時、駆動ロ−ラ４の回転で従 動ロ−ラ７、７′は用紙２を挟んで、かつ用紙２との走行抵抗で図３で上方の搬 送方向にア−ム６、６′の撓みで変位される。 従動ロ−ラ７、７′がア−ム６、６′の撓みで搬送方向に変位されると、従動 ロ−ラ７、７′の回転中心は傾斜されて用紙２との当り位置が用紙２の両端へ引 っ張られるためにシワが寄らずに搬送される。 次に図４で用紙２が下方の引き込み方向に搬送される時、駆動ロ−ラ４の回転 で従動ロ−ラ７、７′は用紙２を挟んで、かつ用紙２との走行抵抗で図４で下方 の搬送方向にア−ム６、６′の撓みで変位される。 従動ロ−ラ７、７′がア−ム６、６′の撓みで搬送方向に変位されると、従動 ロ−ラ７、７′の回転中心は傾斜されて用紙２との当り位置が用紙２の両端へ引 っ張られるためにシワが寄らずに搬送される。 In FIG. 3, when the sheet 2 is conveyed in the upper feeding direction, the driven rollers 7 and 7 ′ sandwich the sheet 2 by the rotation of the driving roller 4, and the running resistance with the sheet 2 causes the sheet 2 to move. Is displaced by the bending of the arms 6, 6'in the upper carrying direction. When the driven rollers 7, 7'are displaced in the conveying direction by the bending of the arms 6, 6 ', the centers of rotation of the driven rollers 7, 7' are tilted so that the contact position with the paper 2 is the paper. Because it is pulled to both ends of 2, it is transported without wrinkles. Next, in FIG. 4, when the sheet 2 is conveyed downward, the driven rollers 7 and 7'rotate the sheet 2 by the rotation of the drive roller 4, and the running resistance with the sheet 2 causes At 4, the arm 6 and 6'are displaced downward in the conveying direction by bending the arms 6 and 6 '. When the driven rollers 7, 7'are displaced in the conveying direction by the bending of the arms 6, 6 ', the centers of rotation of the driven rollers 7, 7' are tilted so that the contact position with the paper 2 is the paper. Because it is pulled to both ends of 2, it is transported without wrinkles.
【０００７】[0007]
以下、図示の実施例で本考案を説明する。図１から図４は第１実施例で、図１ は用紙送り装置の要部平面図、図２は用紙送り装置の背面図、図３は用紙が送り 出し方向に搬送される動作説明図、図４は用紙が引き込み方向に搬送される動作 説明図、図５はロ−ル状に巻かれた用紙の斜視図である。 The present invention will be described below with reference to the illustrated embodiments. 1 to 4 show a first embodiment, FIG. 1 is a plan view of a main part of a paper feeding device, FIG. 2 is a rear view of the paper feeding device, FIG. 3 is an operation explanatory diagram of a paper being conveyed in a feeding direction, FIG. FIG. 5 is an explanatory view of the operation of the paper being conveyed in the pull-in direction, and FIG.
【０００８】 用紙送り装置は、図１、図２で基枠１、１′が並行に保持されて基枠１、１′ にロ−ル状に巻かれた用紙２の支持軸３が軸承されと共に、駆動ロ−ラ４の回転 軸５が軸承されている。駆動ロ−ラ４の回転軸５は図示しない駆動源で回転され る。 更に基枠１、１′にはバネ板からなるア−ム６、６′の一端が夫々ビス10、11 で固定されている。 ア−ム６、６′の他端には夫々軸12、13で従動ロ−ラ７、７′が回転自在に軸承 されている。 従動ロ−ラ７、７′はバネ板からなるア−ム６、６′で駆動ロ−ラ４側に押圧 付勢されると共に、用紙２の幅方向に離して配置されている。In the paper feeding device, the base frames 1 and 1 ′ are held in parallel in FIGS. 1 and 2, and the support shaft 3 for the paper 2 wound in a roll shape on the base frames 1 and 1 ′ is supported. The rotary shaft 5 of the drive roller 4 is supported. The rotary shaft 5 of the drive roller 4 is rotated by a drive source (not shown). Further, one ends of arms 6 and 6'made of spring plates are fixed to the base frames 1 and 1'by screws 10 and 11, respectively. At the other ends of the arms 6 and 6 ', driven rollers 7 and 7'are rotatably supported by shafts 12 and 13, respectively. The driven rollers 7 and 7 ′ are pressed and urged toward the drive roller 4 by the arms 6 and 6 ′ made of spring plates, and are spaced apart in the width direction of the sheet 2.
【０００９】 用紙送り装置の動作は、図３で用紙２が上方の送り出し方向に搬送される時、 駆動ロ−ラ４の回転で従動ロ−ラ７、７′は用紙２を挟んで、かつ用紙２との走 行抵抗で図３で上方の搬送方向にア−ム６、６′の撓みで変位される。 従動ロ−ラ７、７′がア−ム６、６′の撓みで搬送方向に変位されると、従動 ロ−ラ７、７′の回転中心は傾斜されて用紙２との当り位置が用紙２の両端へ引 っ張られるためにシワが寄らずに搬送される。The operation of the sheet feeding device is as follows. When the sheet 2 is conveyed in the upper feeding direction in FIG. 3, the driven rollers 7 and 7 ′ sandwich the sheet 2 by the rotation of the drive roller 4, and Due to the running resistance with 2, the arms 6 and 6'are displaced in the upper conveying direction in FIG. When the driven rollers 7, 7'are displaced in the conveying direction by the bending of the arms 6, 6 ', the centers of rotation of the driven rollers 7, 7' are tilted so that the contact position with the paper 2 is the paper. Because it is pulled to both ends of 2, it is transported without wrinkles.
【００１０】 次に図４で用紙２が下方の引き込み方向に搬送される時、駆動ロ−ラ４の回転 で従動ロ−ラ７、７′は用紙２を挟んで、かつ用紙２との走行抵抗で図４で下方 の搬送方向にア−ム６、６′の撓みで変位される。 従動ロ−ラ７、７′がア−ム６、６′の撓みで搬送方向に変位されると、従動 ロ−ラ７、７′の回転中心は傾斜されて用紙２との当り位置が用紙２の両端へ引 っ張られるためにシワが寄らずに搬送される。Next, in FIG. 4, when the sheet 2 is conveyed in the pull-in direction downward, the driven rollers 7 and 7 ′ sandwich the sheet 2 by the rotation of the drive roller 4 and travel with the sheet 2. The resistance causes the arms 6 and 6'to be displaced in the downward conveying direction in FIG. 4 by bending. When the driven rollers 7, 7'are displaced in the conveying direction by the bending of the arms 6, 6 ', the centers of rotation of the driven rollers 7, 7' are tilted so that the contact position with the paper 2 is the paper. Because it is pulled to both ends of 2, it is transported without wrinkles.
【００１１】 上記のように用紙送り装置が構成されると、簡単な構成で自動的に用紙２の搬 送方向に従動ロ−ラ７、７′の回転中心が傾斜されて用紙２にシワが発生しない 。When the paper feeding device is configured as described above, wrinkles are generated on the paper 2 by automatically tilting the rotation centers of the driven rollers 7 and 7 ′ in the carrying direction of the paper 2 with a simple configuration. do not do .
【００１２】 図６、図７は第２実施例で、図６は従動ロ−ラ支持構造の分解斜視図、図７は 従動ロ−ラ支持構造の拡大要部正面図である。6 and 7 show a second embodiment, FIG. 6 is an exploded perspective view of the driven roller support structure, and FIG. 7 is an enlarged main part front view of the driven roller support structure.
【００１３】 図６、図７の第２実施例では、バネ板からなるア−ム８、８′に従動ロ−ラ７ 、７′が回転自在に回転中心軸９、９′に支持され、回転中心軸９、９′の外周 溝9a、9bに夫々Ｅリング14が嵌められて抜け止めされている。 ア−ム８、８′の軸支持部8aの外側には夫々回転中心軸９、９′が嵌まる丸孔 8bが穿設され、軸支持部8aの内側には夫々回転中心軸９、９′が嵌まる長孔8cが 穿設されている。 上記回転中心軸９、９′は夫々Ｅリング14で抜け止めされて用紙２が搬送され る時、回転中心軸９、９′が位置変位可能に外周溝9a、9bに長さ方向に余裕を持 ってＥリング14が嵌められている。In the second embodiment shown in FIGS. 6 and 7, the driven rollers 7, 7'made of spring plates are rotatably supported by the rotation center shafts 9, 9 '. E-rings 14 are fitted in the outer peripheral grooves 9a and 9b of the rotation center shafts 9 and 9'to prevent them from coming off. Round holes 8b are formed on the outer sides of the shaft support portions 8a of the arms 8 and 8'for receiving the rotation center shafts 9 and 9 ', respectively, and inside the shaft support portions 8a are the rotation center shafts 9 and 9, respectively. A long hole 8c into which'is fitted is provided. When the sheet 2 is conveyed with the rotation center shafts 9 and 9'removed by the E-rings 14, the rotation center shafts 9 and 9'can be displaced in position in the outer peripheral grooves 9a and 9b in the longitudinal direction. Hold the E-ring 14 in place.
【００１４】 第２実施例の動作では、回転中心軸９、９′が丸孔8bと長孔8cで軸承されてい るので、上記第１実施例と同様に駆動ロ−ラ４に用紙２を挟んで従動ロ−ラ７、 ７′が押圧されて駆動ロ−ラ４が回転されると、回転中心軸９、９′は用紙２の 搬送方向に変位される。 この変位で従動ロ−ラ７、７′の回転中心は傾斜されて用紙２との当り位置が 用紙２の両端へ引っ張られるためにシワが寄らずに搬送される。In the operation of the second embodiment, since the rotation center shafts 9 and 9'are supported by the round hole 8b and the long hole 8c, the paper 2 is loaded on the drive roller 4 as in the first embodiment. When the driven rollers 7 and 7'are pressed against each other and the drive roller 4 is rotated, the rotation center shafts 9 and 9'are displaced in the conveying direction of the paper 2. With this displacement, the center of rotation of the driven rollers 7 and 7'is tilted and the contact position with the paper 2 is pulled to both ends of the paper 2, so that the paper is conveyed without wrinkling.
【００１５】 上記第１・２実施例の説明では、従動ロ−ラ７、７′の回転中心の傾斜を、バ ネ板からなるア−ム６、６′の撓みと、丸孔8bと長孔8cに軸承された回転中心軸 ９、９′の変位で述べたが、他の構造による撓みや変位で構成してもよい。In the above description of the first and second embodiments, the inclinations of the rotation centers of the driven rollers 7, 7 ′ are defined by the bending of the arms 6, 6 ′ made of the panel plate, the round holes 8 b, and the long holes. Although the rotation center shafts 9 and 9'which are rotatably supported in the hole 8c have been described as displacements, they may be configured by bending or displacement by other structures.
【００１６】 図８は第３実施例で、図８は用紙送り装置の要部平面図である。FIG. 8 shows a third embodiment, and FIG. 8 is a plan view of a main part of the paper feeding device.
【００１７】 図８の第３実施例では、一対の従動ロ−ラ７、７′がア−ム枠16、17に回転中 心軸18、19で夫々支持され、支持軸15にア−ム枠16、17は角度を持たせて両開き 状態に斜めに取り付けられている。 ア−ム枠16、17は図示しないバネで従動ロ−ラ７、７′が駆動ロ−ラ４側に押 圧されるように付勢されている。In the third embodiment shown in FIG. 8, a pair of driven rollers 7 and 7 ′ are supported by arm frames 16 and 17 by rotating center shafts 18 and 19, respectively, and an arm is supported by a support shaft 15. The frames 16 and 17 are attached at an angle so that they are open at both sides. The arm frames 16 and 17 are urged by springs (not shown) so that the driven rollers 7 and 7 ′ are pressed toward the drive roller 4.
【００１８】 第３実施例の動作は、用紙２が図の右方向に搬送される時、用紙２は一対の従 動ロ−ラ７、７′で両端へ引っ張られるためにシワが寄らずに搬送される。The operation of the third embodiment is such that when the sheet 2 is conveyed to the right in the figure, the sheet 2 is pulled to both ends by the pair of driven rollers 7 and 7 ', so that wrinkles do not occur. Be transported.
【００１９】[0019]
本考案は上述のように構成されたから、簡単な構成で用紙の搬送方向に従動ロ −ラの回転中心が傾斜されて用紙にシワが発生しない等実用上優れた効果を奏す る用紙送り装置を提供することが出来る。 Since the present invention is configured as described above, it is possible to provide a paper feeding device having a simple structure and having a practically excellent effect such that the center of rotation of the driven roller is not tilted due to inclination of the driven roller in the paper feeding direction. You can do it.
【図１】第１実施例で、用紙送り装置の要部平面図であ
る。FIG. 1 is a plan view of a main part of a paper feeding device according to a first embodiment.
【図２】同用紙送り装置の背面図である。FIG. 2 is a rear view of the paper feeding device.
【図３】同用紙が送り出し方向に搬送される動作説明図
である。FIG. 3 is an explanatory diagram of an operation in which the same sheet is conveyed in a delivery direction.
【図４】同用紙が引き込み方向に搬送される動作説明図
である。FIG. 4 is an explanatory diagram of an operation in which the same sheet is conveyed in a pull-in direction.
【図５】ロ−ル状に巻かれた用紙の斜視図である。FIG. 5 is a perspective view of a roll of paper.
【図６】第２実施例で、従動ロ−ラ支持構造の分解斜視
図である。FIG. 6 is an exploded perspective view of a driven roller support structure in the second embodiment.
【図７】同従動ロ−ラ支持構造の拡大要部正面図であ
る。FIG. 7 is an enlarged main part front view of the driven roller support structure.
【図８】第３実施例で、用紙送り装置の要部平面図であ
る。FIG. 8 is a plan view of a main part of a paper feeding device according to a third embodiment.
【図９】従来の用紙送り装置の要部平面図である。FIG. 9 is a plan view of a main part of a conventional paper feeding device.
【図10】従来の用紙送り装置の側面図である。FIG. 10 is a side view of a conventional paper feeding device.
【図11】用紙にシワが発生した平面図である。FIG. 11 is a plan view showing wrinkles on the sheet.
２ 用紙 ４ 駆動ロ−ラ ７、７′ 従動ロ−ラ 2 paper 4 drive roller 7, 7'followed roller
Claims (2)
挟んで搬送する装置に於て、上記従動ロ−ラを用紙の幅
方向に離して設け、両従動ロ−ラの回転中心を搬送方向
に傾斜させた用紙送り装置。1. A device for feeding a sheet by sandwiching a sheet between a driving roller and a pressing driven roller, wherein the driven rollers are provided separately in the width direction of the sheet, and both driven rollers rotate. Paper feeding device with the center inclined in the transport direction.
斜可能に支持し、搬送時の用紙走行抵抗により回転中心
が搬送方向に傾斜するようにした請求項１の用紙送り装
置。2. The sheet feeding device according to claim 1, wherein the driven roller is supported so that its rotation center can be tilted in the carrying direction, and the rotation center is tilted in the carrying direction due to paper running resistance during carrying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992050416U JP2557008Y2 (en) | 1992-06-26 | 1992-06-26 | Paper feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992050416U JP2557008Y2 (en) | 1992-06-26 | 1992-06-26 | Paper feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH066342U true JPH066342U (en) | 1994-01-25 |
| JP2557008Y2 JP2557008Y2 (en) | 1997-12-08 |
Family
ID=12858264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992050416U Expired - Fee Related JP2557008Y2 (en) | 1992-06-26 | 1992-06-26 | Paper feeder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2557008Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59110658U (en) * | 1983-01-17 | 1984-07-26 | 富士通株式会社 | Ink ribbon vertical wrinkle prevention mechanism |
| JPS6429341U (en) * | 1987-08-12 | 1989-02-21 |
-
1992
- 1992-06-26 JP JP1992050416U patent/JP2557008Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59110658U (en) * | 1983-01-17 | 1984-07-26 | 富士通株式会社 | Ink ribbon vertical wrinkle prevention mechanism |
| JPS6429341U (en) * | 1987-08-12 | 1989-02-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2557008Y2 (en) | 1997-12-08 |
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