JP2009203014A - Printed medium supplying device - Google Patents

Printed medium supplying device Download PDF

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Publication number
JP2009203014A
JP2009203014A JP2008047509A JP2008047509A JP2009203014A JP 2009203014 A JP2009203014 A JP 2009203014A JP 2008047509 A JP2008047509 A JP 2008047509A JP 2008047509 A JP2008047509 A JP 2008047509A JP 2009203014 A JP2009203014 A JP 2009203014A
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Prior art keywords
roll paper
support shaft
paper support
guide
boss
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JP4359330B2 (en
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Yoshiteru Momomoto
好輝 百本
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Sato Knowledge & Intellectual Property Institute
株式会社サトー知識財産研究所
Sato Corp
株式会社サトー
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18Constructional details
    • B65H75/24Constructional details adjustable in configuration, e.g. expansible
    • B65H75/241Constructional details adjustable in configuration, e.g. expansible axially adjustable reels or bobbins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04Kinds or types
    • B65H75/08Kinds or types of circular or polygonal cross-section
    • B65H75/14Kinds or types of circular or polygonal cross-section with two end flanges
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18Constructional details
    • B65H75/22Constructional details collapsible; with removable parts

Abstract

<P>PROBLEM TO BE SOLVED: To provide a printed medium supplying device capable of simply winding and fixing a printed medium to a roll paper supporting shaft of a guide part with a single hand even when a diameter of a tubular body such as a paper tube, around which the medium is wound, is large and a diameter of the roll paper supporting shaft is large. <P>SOLUTION: A second guide part 14 is provided with a positioning piece 145, which uses a boss part 12 having a periphery comprising a pair of arc-like faces 121, on which positioning grooves comprising a plurality of grooves orthogonal to a shaft are formed, with an axial core C as a center and a pair of parallel plane faces 122 arranged at an equal distance from the axial core C, extends on the arc-like face of a boss part 12a while it is annularly wound around the boss part 12, and on which a groove part engaged with a positioning groove 124, and an operation piece 146 which extends on the plane face 122 of the boss part 12, and engages the positioning groove 124 with the groove part 144 of the positioning piece 145 or disengages the groove 124 from the groove part 144. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、印字装置に供給する被印字媒体が巻き回されたロール紙を支持する被印字媒体供給装置に関し、特に被印字媒体が巻き回されている紙管等の筒状体の内径が大なるロール紙を支持する被印字媒体供給装置に関する。   The present invention relates to a print medium supply apparatus that supports a roll paper around which a print medium to be supplied to a printing apparatus is wound. In particular, the inner diameter of a cylindrical body such as a paper tube around which the print medium is wound is large. The present invention relates to a print medium supply device for supporting a roll paper.
印字装置に供給する被印字媒体が巻き回されたロール紙を支持する被印字媒体供給装置において、ロール紙の内周に当接して支持するロール紙支持軸が、ロール紙と共に回転する場合には、ロール紙支持軸に支持したロール紙の軸方向の移動を規制するガイド部は、ロール紙支持軸に環装され、ロール紙支持軸と共に回転するように構成されている。   In a print medium supply device that supports roll paper on which a print medium to be supplied to a printing device is wound, when a roll paper support shaft that contacts and supports the inner periphery of the roll paper rotates together with the roll paper The guide portion that regulates the axial movement of the roll paper supported on the roll paper support shaft is configured to be mounted on the roll paper support shaft and rotate together with the roll paper support shaft.
この種の被印字媒体供給装置としては、ロール紙支持軸にガイド部が回転しないように規制するための回転規制溝を設けると共に、ガイド部にロール紙支持軸に嵌合し回転規制溝にはめ合う回転規制突起部と、ロール紙支持軸を締め付けるための支持軸締め付け部が設けられたロール紙保持ベース部材と、ロール紙保持ベース部材に回動可能に取り付けられ、ロール紙保持ベース部材に対して一方の方向に回転することにより支持軸締め付け部によってロール紙支持軸を締め付け、他方の方向に回転することにより支持軸締め付け部によるロール紙支持軸の締め付けを解除するロック操作部材とを設け、ガイド部のロール紙支持軸に装着を容易としたものが提案されている(例えば、特許文献1参照)。   In this type of print medium supply device, a rotation restricting groove for restricting the guide portion from rotating on the roll paper support shaft is provided, and the guide portion is fitted to the roll paper support shaft and fitted into the rotation restricting groove. A roll paper holding base member provided with a rotation restricting protrusion that fits, a support shaft fastening part for fastening the roll paper support shaft, and a roll paper holding base member that is rotatably attached to the roll paper holding base member. A lock operation member that tightens the roll paper support shaft by the support shaft tightening portion by rotating in one direction and releases the tightening of the roll paper support shaft by the support shaft tightening portion by rotating in the other direction, There has been proposed one that can be easily mounted on the roll paper support shaft of the guide portion (see, for example, Patent Document 1).
しかしながら、従来技術では、ガイド部のロール紙支持軸への締め付けを操作するロック操作部材は、ロール紙支持軸に環装される関係上、ロール紙支持軸の径よりも大きなものになっているため、被印字媒体として厚さがある腰の強いタグ等が用いられ、被印字媒体を巻き回す紙管等の筒状体の径が大きく、被印字媒体が筒状体に巻き回されたロール紙が装着されるロール紙支持軸の径を大きくする必要がある場合には、ロック操作部材の径も大きなものになってしまい、片手で取り扱うことが困難になってしまうという問題点があった。   However, in the prior art, the lock operating member for operating the tightening of the guide portion to the roll paper support shaft is larger than the diameter of the roll paper support shaft because of being mounted on the roll paper support shaft. For this reason, a thick tag or the like having a thick thickness is used as a printing medium, and the diameter of the cylindrical body such as a paper tube around which the printing medium is wound is large, and the roll in which the printing medium is wound around the cylindrical body When it is necessary to increase the diameter of the roll paper support shaft on which the paper is loaded, the diameter of the lock operation member becomes large, which makes it difficult to handle with one hand. .
特開2002−145492号公報JP 2002-145492 A
本発明は斯かる問題点に鑑みてなされたものであり、その目的とするところは、被印字媒体を巻き回す紙管等の筒状体の径が大きく、ロール紙支持軸の径が大きい場合でも、ガイド部のロール紙支持軸への環装および固定を片手で簡単に取り扱うことができる被印字媒体供給装置を提供する点にある。   The present invention has been made in view of such problems, and the object of the present invention is when the diameter of the cylindrical body such as a paper tube around which the print medium is wound is large and the diameter of the roll paper support shaft is large. However, the present invention is to provide a print medium supply device that can easily handle the fixing and fixing of the guide portion to the roll paper support shaft with one hand.
本発明は上記課題を解決すべく、以下に掲げる構成とした。
請求項1記載の発明の要旨は、被印字媒体が巻き回されたロール紙をロール紙支持軸に支持すると共に、前記ロール紙支持軸に環装されたガイド部によって、前記ロール紙支持軸に支持された前記ロール紙の軸方向における移動を規制する被印字媒体供給装置であって、前記ロール紙支持軸は、軸に直交する複数の溝からなる位置決め溝がそれぞれ形成され、軸心を中心とする一対の円弧面と、軸心から等距離に配置された平行な一対の平面とからなる周面を有し、前記ガイド部は、前記ロール紙支持軸に環装されている状態で、前記ロール紙支持軸の円弧面上に延出し、前記位置決め溝と係合する溝部が形成されている位置決め片と、前記ロール紙支持軸の平面上に延出し、前記位置決め溝と前記位置決め片の溝部との係合を係脱させる操作片とを具備することを特徴とする被印字媒体供給装置に存する。
また請求項2記載の発明の要旨は、前記位置決め片および前記操作片は、略L字状に連設され、連設箇所が回動可能に支持されたL字状部材であり、前記ガイド部が前記ロール紙支持軸に環装されている状態で、前記操作片が前記ロール紙支持軸の平面から離れ、且つ前記位置決め片が前記ロール紙支持軸の円弧面に押圧される方向に付勢する付勢手段を具備することを特徴とする請求項1記載の被印字媒体供給装置に存する。
また請求項3記載の発明の要旨は、2個の前記L字状部材が軸心に対して点対称の位置にそれぞれ設けられていることを特徴とする請求項2記載の被印字媒体供給装置に存する。
また請求項4記載の発明の要旨は、2個の前記L字状部材における前記操作片をそれぞれ操作する2個の操作部は、軸心を通る前記ロール紙支持軸の平面に平行な線に対して線対称の位置にそれぞれ設けられていることを特徴とする請求項3記載の被印字媒体供給装置に存する。
In order to solve the above problems, the present invention has the following configurations.
The gist of the invention described in claim 1 is that the roll paper around which the printing medium is wound is supported on the roll paper support shaft, and the roll paper support shaft is mounted on the roll paper support shaft by the guide portion mounted around the roll paper support shaft. A printing medium supply device for restricting movement of the supported roll paper in the axial direction, wherein the roll paper support shaft is formed with positioning grooves each composed of a plurality of grooves perpendicular to the axis, and the shaft center. A peripheral surface composed of a pair of arcuate surfaces and a pair of parallel planes arranged equidistant from the axis, and the guide portion is mounted on the roll paper support shaft, A positioning piece extending on the arc surface of the roll paper support shaft and formed with a groove portion that engages with the positioning groove, and extending on a plane of the roll paper support shaft, and the positioning groove and the positioning piece Manipulating / disengaging the engagement with the groove It resides in the print medium feeding apparatus characterized by comprising a strip.
The gist of the invention of claim 2 is an L-shaped member in which the positioning piece and the operation piece are connected in a substantially L shape, and the connected portion is rotatably supported. Is urged in a direction in which the operation piece is separated from the plane of the roll paper support shaft and the positioning piece is pressed against the arc surface of the roll paper support shaft. The printing medium supply apparatus according to claim 1, further comprising an urging unit configured to perform printing.
The gist of the invention described in claim 3 is that the two L-shaped members are respectively provided at positions symmetrical with respect to the axial center. Exist.
The gist of the invention of claim 4 is that the two operation portions for respectively operating the operation pieces in the two L-shaped members are parallel to the plane of the roll paper support shaft passing through the axis. 4. The print medium supply device according to claim 3, wherein the print medium supply device is provided at positions symmetrical with respect to the line.
本発明の被印字媒体供給装置は、軸に直交する複数の溝からなる位置決め溝がそれぞれ形成され、軸心を中心とする一対の円弧面と、軸心から等距離に配置された平行な一対の平面とからなる周面を有するロール紙支持軸を用い、ロール紙支持軸に環装されている状態で、ロール紙支持軸の円弧面上に延出し、位置決め溝と係合する溝部が形成されている位置決め片と、ロール紙支持軸の平面上に延出し、位置決め溝と位置決め片の溝部との係合を係脱させる操作片とをガイド部に設けることにより、ガイド部がロール紙支持軸に環装されている状態で、ロール紙支持軸の円弧面の直径よりも小さい間隔で対峙している一対の平面に対向した箇所に、操作部が配置され、片手で操作部を操作することができるため、被印字媒体を巻き回す紙管等の筒状体の径が大きく、ロール紙支持軸の径が大きい場合でも、ガイド部のロール紙支持軸への環装および固定を片手で簡単に取り扱うことができるという効果を奏する。   The printing medium supply apparatus of the present invention is formed with positioning grooves each including a plurality of grooves perpendicular to the axis, and a pair of arcuate surfaces centered on the axis and a pair of parallel lines arranged equidistant from the axis. Using a roll paper support shaft having a circumferential surface composed of a flat surface of the roll paper, a groove portion is formed which extends on the arc surface of the roll paper support shaft and engages with the positioning groove while being mounted on the roll paper support shaft. The guide part supports the roll paper by providing the guide part with a positioning piece and an operation piece that extends on the plane of the roll paper support shaft and engages and disengages the positioning groove and the groove part of the positioning piece. The operation unit is arranged at a position facing the pair of planes facing each other at a smaller interval than the diameter of the arc surface of the roll paper support shaft while being mounted on the shaft, and the operation unit is operated with one hand. Paper tube that winds the print medium The diameter is large cylindrical body, an effect that even when the diameter of the roll paper support shaft is large, can be handled easily So Tamaki and fixation of the roll paper support shaft of the guide unit with one hand.
さらに、本発明の被印字媒体供給装置においては、位置決め片および操作片は、略L字状に連設され、連設箇所が回動可能に支持されたL字状部材であり、ガイド部がロール紙支持軸に環装されている状態で、操作片がロール紙支持軸の平面から離れ、且つ位置決め片がロール紙支持軸の円弧面に押圧される方向に付勢する付勢手段を設けることにより、位置決め溝と位置決め片の溝部との係脱を簡単な構成で実現することができるという効果を奏する。   Furthermore, in the print medium supply apparatus of the present invention, the positioning piece and the operation piece are L-shaped members that are connected in a substantially L shape, and the connected portions are rotatably supported. Provided with a biasing means for biasing the operation piece away from the plane of the roll paper support shaft and biasing the positioning piece against the arc surface of the roll paper support shaft while being mounted on the roll paper support shaft. Thus, there is an effect that the engagement and disengagement between the positioning groove and the groove portion of the positioning piece can be realized with a simple configuration.
さらに、本発明の被印字媒体供給装置においては、2個のL字状部材が軸心に対して点対称の位置にそれぞれ設けられていることにより、ガイド部をロール紙支持軸に環装させても、ロール紙支持軸を中心とする回転に偏りが生じることがなく、スムーズにロール紙支持軸を回転させることができるという効果を奏する。   Furthermore, in the print medium supply apparatus of the present invention, the two L-shaped members are provided at positions that are point-symmetric with respect to the axis so that the guide portion is mounted on the roll paper support shaft. However, there is no bias in rotation about the roll paper support shaft, and the roll paper support shaft can be smoothly rotated.
さらに、本発明の被印字媒体供給装置においては、2個のL字状部材における操作片をそれぞれ操作する2個の操作部が、軸心を通るロール紙支持軸の平面に平行な線に対して線対称の位置にそれぞれ設けられていることにより、操作部の操作を片手でも無理なく行うことができるという効果を奏する。   Further, in the print medium supply apparatus of the present invention, the two operation portions for operating the operation pieces of the two L-shaped members respectively are in parallel with the line parallel to the plane of the roll paper support shaft passing through the axis. Therefore, the operation unit can be operated with one hand without difficulty.
以下、本発明の実施の形態を図面に基づいて詳細に説明する。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
図1は、本発明に係る被印字媒体供給装置の実施の形態が用いられるサーマルプリンタの構成を示す概略側面図であり、図2は、本発明に係る被印字媒体供給装置の実施の形態構成を示す斜視図であり、図3は、図2に示すボス部および第1のガイド部の構成を示す斜視図であり、図4は、図2に示す第2のガイド部の構成を示す斜視図であり、図5は、図4に示す係合機構の構成を示す平面図である。   FIG. 1 is a schematic side view showing a configuration of a thermal printer in which an embodiment of a print medium supply apparatus according to the present invention is used, and FIG. 2 is an embodiment configuration of a print medium supply apparatus according to the present invention. 3 is a perspective view showing the configuration of the boss portion and the first guide portion shown in FIG. 2, and FIG. 4 is a perspective view showing the configuration of the second guide portion shown in FIG. FIG. 5 is a plan view showing the configuration of the engagement mechanism shown in FIG.
本実施の形態の被印字媒体供給装置10は、被印字媒体であるタグ連続体1を紙管等の筒状体にロール状に巻き回された状態、すなわちロール紙2として回転可能に支持する装置であり、例えば、図1に示すようなサーマルプリンタ20に用いられる。   The print medium supply apparatus 10 according to the present embodiment supports a tag continuous body 1 as a print medium in a state of being wound in a roll shape around a cylindrical body such as a paper tube, that is, as a roll paper 2 so as to be rotatable. For example, the apparatus is used in a thermal printer 20 as shown in FIG.
サーマルプリンタ20は、図1を参照すると、印字部として、プラテンローラ21と、複数の発熱体が幅方向に形成されている面がプラテンローラ21に対向するように配置されたサーマルヘッド22とを有し、タグが連続したタグ連続体1とインクリボン3とを重ねてプラテンローラ21とサーマルヘッド22との間に挟持搬送し、サーマルヘッド22の発熱体を選択的に発熱させることにより、タグ連続体1にインクリボン3からインクを転写させて印字を行うように構成されている。また、印字されたタグ連続体1は、印字部の後段に設けられたカッタ装置50によって所定の位置で切り離されて排出される。   Referring to FIG. 1, the thermal printer 20 includes, as a printing unit, a platen roller 21 and a thermal head 22 arranged so that a surface on which a plurality of heating elements are formed in the width direction faces the platen roller 21. The tag continuous body 1 having the continuous tag and the ink ribbon 3 are stacked and conveyed between the platen roller 21 and the thermal head 22 and the heating element of the thermal head 22 is selectively heated to generate the tag. Ink is transferred from the ink ribbon 3 to the continuum 1 to perform printing. Further, the printed tag continuum 1 is cut off at a predetermined position and discharged by a cutter device 50 provided at a subsequent stage of the printing unit.
タグ連続体1は、ロール紙2として被印字媒体供給装置10に回転可能に支持され、プラテンローラ21とサーマルヘッド22とで挟持搬送されることによって引き出され、被印字媒体供給装置10から引き出されたタグ連続体1がプラテンローラ21とサーマルヘッド22との間に供給される。なお、図1に示す符号23は、被印字媒体供給装置10から引き出されたタグ連続体1をプラテンローラ21とサーマルヘッド22との間に案内する案内ローラである。   The continuous tag body 1 is rotatably supported by the printing medium supply device 10 as a roll paper 2, and is drawn out by being nipped and conveyed by the platen roller 21 and the thermal head 22, and is drawn out from the printing medium supply device 10. The continuous tag body 1 is supplied between the platen roller 21 and the thermal head 22. A reference numeral 23 shown in FIG. 1 is a guide roller that guides the tag continuum 1 drawn from the print medium supply apparatus 10 between the platen roller 21 and the thermal head 22.
また、インクリボン3は、リボン供給軸24と、プラテンローラ21に連動して回転駆動されるリボン巻き取り軸25との間に架け渡され、リボン供給軸24にロール状に巻き回された状態で支持された未使用のインクリボン3が、プラテンローラ21とサーマルヘッド22との間にタグ連続体1と共に供給され、転写後のインクリボン3が、リボン巻き取り軸25によって巻き取られるようになっている。なお、図1に示す符号26は、リボン供給軸24に支持された未使用のインクリボン3をプラテンローラ21とサーマルヘッド22との間に案内する案内ローラであり、図1に示す符号27および28は、転写後のインクリボン3をリボン巻き取り軸25に案内する案内ローラである。   The ink ribbon 3 is stretched between a ribbon supply shaft 24 and a ribbon take-up shaft 25 that is rotationally driven in conjunction with the platen roller 21, and is wound around the ribbon supply shaft 24 in a roll shape. So that the unused ink ribbon 3 supported in step 1 is supplied together with the tag continuum 1 between the platen roller 21 and the thermal head 22, and the transferred ink ribbon 3 is taken up by the ribbon take-up shaft 25. It has become. 1 is a guide roller for guiding the unused ink ribbon 3 supported by the ribbon supply shaft 24 between the platen roller 21 and the thermal head 22, and the reference numerals 27 and 27 shown in FIG. A guide roller 28 guides the transferred ink ribbon 3 to the ribbon take-up shaft 25.
被印字媒体供給装置10は、図2を参照すると、側板に回転可能に片持ち支持された回転軸11と、回転軸11に環装され、ロール紙2の紙管等の筒状体内周面に当接する周面を有してロール紙2が装着されるボス部12と、ボス部12もしくは回転軸11に固定された第1のガイド部13と、ボス部12に対して軸方向に移動可能に環装される第2のガイド部14とを備えており、回転軸11の解放端側からボス部12にロール紙2を装着した後、第2のガイド部14をボス部12に環装させて位置決めすることで、ボス部12に装着されたロール紙2の軸方向の移動を第1のガイド部13と第2のガイド部14とで規制し、回転軸11、ボス部12、第1のガイド部13および第2のガイド部14と、ボス部12に装着されたロール紙2とが一体となって回転するように構成されている。   Referring to FIG. 2, the print medium supply device 10 includes a rotating shaft 11 that is cantilevered and supported on a side plate, and a cylindrical inner peripheral surface such as a paper tube of the roll paper 2 that is mounted on the rotating shaft 11. A boss portion 12 having a peripheral surface that is in contact with the boss portion 12 to which the roll paper 2 is mounted, a first guide portion 13 fixed to the boss portion 12 or the rotating shaft 11, and moving in the axial direction with respect to the boss portion 12. And a second guide portion 14 that is wrapably mounted. After the roll paper 2 is attached to the boss portion 12 from the release end side of the rotating shaft 11, the second guide portion 14 is attached to the boss portion 12. By mounting and positioning, the movement of the roll paper 2 mounted on the boss portion 12 in the axial direction is restricted by the first guide portion 13 and the second guide portion 14, and the rotary shaft 11, the boss portion 12, Roll paper 2 mounted on the first guide portion 13 and the second guide portion 14 and the boss portion 12 There are configured to rotate integrally.
ボス部12は、回転方向および軸方向において位置決めされて回転軸11に環装され、回転軸11に環装されたボス部12がロール紙2を支持するロール紙支持軸として機能する。ボス部12は、図3を参照すると、回転軸11の軸心Cを中心とする一対の円弧面121と、回転軸11の軸心Cから等距離に配置された平行な一対の平面122とからなる周面を有し、円弧面121にロール紙2の内周面が当接して装着される。また、一対の円弧面121には、円弧面121から突出した樹脂バネ部123がそれぞれ形成され、円弧面121に装着されたロール紙2は、樹脂バネ部123によって内周面が押圧されて固定される。さらに、一対の円弧面121には、軸に直交する複数の溝からなる位置決め溝124がそれぞれ形成されている。   The boss portion 12 is positioned in the rotation direction and the axial direction and is mounted on the rotation shaft 11, and the boss portion 12 mounted on the rotation shaft 11 functions as a roll paper support shaft that supports the roll paper 2. Referring to FIG. 3, the boss portion 12 includes a pair of arcuate surfaces 121 centered on the axis C of the rotating shaft 11, and a pair of parallel planes 122 arranged equidistant from the axis C of the rotating shaft 11. And the inner circumferential surface of the roll paper 2 is mounted in contact with the circular arc surface 121. The pair of arcuate surfaces 121 are respectively formed with resin spring portions 123 protruding from the arcuate surface 121, and the roll paper 2 mounted on the arcuate surface 121 is fixed by the inner peripheral surface being pressed by the resin spring portion 123. Is done. Further, the pair of arcuate surfaces 121 are respectively formed with positioning grooves 124 formed of a plurality of grooves orthogonal to the axis.
第1のガイド部13は、複数の羽部131が放射状に延出したガイド板であり、ボス部12もしくは回転軸11に固定され、ボス部12に装着されたロール紙2の側板側の端面に当接して軸方向への移動を規制する。   The first guide portion 13 is a guide plate in which a plurality of wing portions 131 extend radially, and is fixed to the boss portion 12 or the rotary shaft 11, and is an end surface on the side plate side of the roll paper 2 attached to the boss portion 12. The movement in the axial direction is restricted.
第2のガイド部14は、図4を参照すると、ボス部12の周面形状と略同一形状の内周141が形成され、ボス部12に対して回転方向において位置決めされた状態で環装されると共に、複数の羽部142が放射状に延出し、ボス部12に装着されたロール紙2の解放端側の端面に当接して軸方向への移動を規制するガイド板143と、ガイド板143のボス部12に装着されたロール紙2に当接する面の反対面側に設けられ、円弧面121に形成されている位置決め溝124に係合することで、ボス部12に対して第2のガイド部14を軸方向において固定する係合機構とを備えている。   Referring to FIG. 4, the second guide portion 14 is formed with an inner periphery 141 having substantially the same shape as the peripheral surface shape of the boss portion 12, and is mounted in a state of being positioned with respect to the boss portion 12 in the rotational direction. In addition, a plurality of wings 142 extend radially, a guide plate 143 that abuts against an end surface on the release end side of the roll paper 2 attached to the boss portion 12 and restricts movement in the axial direction, and a guide plate 143 The second boss portion 12 is engaged with a positioning groove 124 provided on the opposite surface of the surface of the boss portion 12 that contacts the roll paper 2 and is formed on the arc surface 121. And an engagement mechanism for fixing the guide portion 14 in the axial direction.
係合機構として、第2のガイド部14がボス部12に環装されている状態で、ボス部12の円弧面121上に延出し、円弧面121と対向する面に位置決め溝124と係合する溝部144が形成されている位置決め片145と、ボス部12の平面122上に略平行に延出し、位置決め溝124と位置決め片145の溝部144との係合を係脱させる操作片146とが略L字状に連設されたL字状部材が、連設箇所がガイド板143に立設された支持軸147に回動可能に支持された状態で、2個設けられている。また、係合機構は、カバー148によって覆われ、操作片146に設けられた操作部149のみがカバー148から突出している。   As an engagement mechanism, the second guide portion 14 is mounted on the boss portion 12 and extends on the arc surface 121 of the boss portion 12, and engages with the positioning groove 124 on the surface facing the arc surface 121. A positioning piece 145 in which a groove 144 is formed, and an operation piece 146 that extends substantially parallel to the flat surface 122 of the boss 12 and engages and disengages the positioning groove 124 and the groove 144 of the positioning piece 145. Two L-shaped members provided in a substantially L shape are provided in a state in which the connected portions are rotatably supported by a support shaft 147 provided upright on the guide plate 143. Further, the engaging mechanism is covered with the cover 148, and only the operation portion 149 provided on the operation piece 146 protrudes from the cover 148.
図5を参照すると、第2のガイド部14がボス部12に環装されている状態で、ボス部12の平面122に対向する対向面150がガイド板143に立設されており、対向面150と操作片146との間にバネ151が介装され、操作片146は、対向面150から離れる方向に付勢されている。従って、第2のガイド部14がボス部12に環装されていない状態では、操作片146および位置決め片145からなるL字状部材は、図5に矢印に示す方向に回動され、図5に示すように、位置決め片145が内周141に突出した状態となる。なお、操作片146および位置決め片145からなるL字状部材は、第2のガイド部14がボス部12に環装されている状態で、回転軸11の軸心Cに対して点対称の位置にそれぞれ設けられており、回転軸11を中心とする回転に偏りが生じないようになっていると共に、カバー148から突出している2個の操作部149は、回転軸11の軸心Cを通るボス部12の平面122に平行な線に対して線対称の位置にそれぞれ設けられており、操作部149の操作、すなわち操作部149をバネ151の付勢力に抗してボス部12の平面122に対して垂直な方向に押し下げる動作を片手でも無理なく行えるようになっている。   Referring to FIG. 5, in the state where the second guide portion 14 is mounted on the boss portion 12, a facing surface 150 facing the flat surface 122 of the boss portion 12 is erected on the guide plate 143. A spring 151 is interposed between the operation piece 146 and the operation piece 146, and the operation piece 146 is biased in a direction away from the facing surface 150. Therefore, when the second guide portion 14 is not mounted on the boss portion 12, the L-shaped member including the operation piece 146 and the positioning piece 145 is rotated in the direction indicated by the arrow in FIG. As shown in FIG. 4, the positioning piece 145 protrudes from the inner periphery 141. The L-shaped member composed of the operation piece 146 and the positioning piece 145 is a point-symmetrical position with respect to the axis C of the rotary shaft 11 in a state where the second guide portion 14 is mounted on the boss portion 12. The two operation portions 149 protruding from the cover 148 pass through the axis C of the rotation shaft 11 so that the rotation about the rotation shaft 11 is not biased. They are provided at positions symmetrical with respect to a line parallel to the plane 122 of the boss portion 12. The operation of the operation portion 149, that is, the operation portion 149 is resisted against the biasing force of the spring 151, and the plane 122 of the boss portion 12. It can be pushed down with one hand without difficulty.
次に、本実施の形態における係合機構の動作について図6および図7を参照して詳細に説明する。
図6は、図4に示す係合機構の操作時の状態を示す平面図であり、図7は、図4に示す係合機構の係合時の状態を示す平面図である。
Next, the operation of the engagement mechanism in the present embodiment will be described in detail with reference to FIGS.
6 is a plan view showing a state when the engagement mechanism shown in FIG. 4 is operated, and FIG. 7 is a plan view showing a state when the engagement mechanism shown in FIG. 4 is engaged.
第2のガイド部14をボス部12に環装させる際には、図6に示すように、操作部149の操作、すなわち操作部149をバネ151の付勢力に抗してボス部12の平面122に対して垂直な方向に押し下げ、操作片146および位置決め片145からなるL字状部材を、図6に矢印に示す方向に回動させることで、位置決め片145を内周141から退出させる。なお、2個の操作部149は、第2のガイド部14がボス部12に環装されている状態で、円弧面121の直径よりも小さい間隔で対峙しているボス部12の一対の平面122に対向した箇所にそれぞれ配置されるため、2個の操作部149の間隔を狭くすることができ、2個の操作部149を片手で操作することが可能になる。   When the second guide portion 14 is mounted on the boss portion 12, as shown in FIG. 6, the operation of the operation portion 149, that is, the operation portion 149 against the biasing force of the spring 151, The L-shaped member composed of the operation piece 146 and the positioning piece 145 is pushed down in a direction perpendicular to the direction 122 and rotated in the direction indicated by the arrow in FIG. In addition, the two operation parts 149 are a pair of planes of the boss part 12 facing each other with an interval smaller than the diameter of the circular arc surface 121 in a state where the second guide part 14 is mounted on the boss part 12. Since the two operation units 149 are arranged at locations opposite to 122, the interval between the two operation units 149 can be narrowed, and the two operation units 149 can be operated with one hand.
次に、第2のガイド部14をボス部12に環装させ、軸方向に移動させて位置決めをした後、操作部149の操作を止めると、操作片146および位置決め片145からなるL字状部材は、バネ151の付勢力によって、図7に矢印に示す方向に回動され、位置決め片145の溝部144が円弧面121の位置決め溝124に押圧されて、溝部144と位置決め溝124とが係合し、第2のガイド部14がボス部12の軸方向において固定される。   Next, after the second guide portion 14 is mounted on the boss portion 12 and moved in the axial direction for positioning, when the operation of the operation portion 149 is stopped, an L-shape composed of the operation piece 146 and the positioning piece 145 is formed. The member is rotated in the direction indicated by the arrow in FIG. 7 by the biasing force of the spring 151, the groove portion 144 of the positioning piece 145 is pressed against the positioning groove 124 of the arcuate surface 121, and the groove portion 144 and the positioning groove 124 are engaged. The second guide portion 14 is fixed in the axial direction of the boss portion 12.
次に、第2のガイド部14をボス部12から抜き取る場合には、操作部149の操作、すなわち操作部149をバネ151の付勢力に抗してボス部12の平面122に対して垂直な方向に押し下げ、操作片146および位置決め片145からなるL字状部材を、図6に矢印に示す方向に回動させて、溝部144と位置決め溝124との係合を解消させることで、ボス部12から第2のガイド部14を抜き取ることが可能になる。   Next, when the second guide portion 14 is extracted from the boss portion 12, the operation of the operation portion 149, that is, the operation portion 149 is perpendicular to the plane 122 of the boss portion 12 against the biasing force of the spring 151. The boss portion is pushed down in the direction, and the L-shaped member composed of the operation piece 146 and the positioning piece 145 is rotated in the direction indicated by the arrow in FIG. 6 to release the engagement between the groove portion 144 and the positioning groove 124. It becomes possible to extract the second guide portion 14 from 12.
以上説明したように、本実施の形態によれば、軸に直交する複数の溝からなる位置決め溝124がそれぞれ形成され、軸心Cを中心とする一対の円弧面121と、軸心Cから等距離に配置された平行な一対の平面122とからなる周面を有するボス部12を用い、ボス部12に環装されている状態で、ボス部12の円弧面121上に延出し、位置決め溝124と係合する溝部144が形成されている位置決め片145と、ボス部12の平面122上に延出し、位置決め溝124と位置決め片145の溝部144との係合を係脱させる操作片146とを第2のガイド部14に設けることにより、第2のガイド部14がボス部12に環装されている状態で、ボス部12の円弧面121の直径よりも小さい間隔で対峙している一対の平面122に対向した箇所に、操作部149が配置され、片手で操作部149を操作することができるため、タグ連続体1を巻き回す紙管等の筒状体の径が大きく、ボス部12の径が大きい場合でも、第2のガイド部14のボス部12への環装および固定を片手で簡単に取り扱うことができるという効果を奏する。   As described above, according to the present embodiment, the positioning grooves 124 each formed of a plurality of grooves orthogonal to the axis are formed, and the pair of arcuate surfaces 121 centered on the axis C and the axis C etc. A boss portion 12 having a circumferential surface composed of a pair of parallel flat surfaces 122 arranged at a distance is used, and is extended on the circular arc surface 121 of the boss portion 12 in a state of being mounted on the boss portion 12, and is positioned by a positioning groove. A positioning piece 145 formed with a groove 144 that engages with 124, and an operation piece 146 that extends on the flat surface 122 of the boss portion 12 and engages and disengages the positioning groove 124 and the groove 144 of the positioning piece 145. By providing the second guide portion 14 with the second guide portion 14, the pair of the second guide portion 14 facing each other at an interval smaller than the diameter of the circular arc surface 121 of the boss portion 12 in a state where the second guide portion 14 is wrapped around the boss portion 12. Paired with plane 122 Since the operation unit 149 is disposed at the position where the operation unit 149 can be operated with one hand, the diameter of the cylindrical body such as a paper tube around which the tag continuous body 1 is wound is large, and the diameter of the boss portion 12 is large. Even in this case, there is an effect that the mounting and fixing of the second guide portion 14 to the boss portion 12 can be easily handled with one hand.
さらに、本実施の形態によれば、位置決め片145および操作片146は、略L字状に連設され、連設箇所が回動可能に支持されたL字状部材であり、第2のガイド部14がボス部12に環装されている状態で、操作片146がボス部12の平面122から離れ、且つ位置決め片145がボス部12の円弧面121に押圧される方向に付勢するバネ151を設けることにより、位置決め溝124と位置決め片145の溝部144との係脱を簡単な構成で実現することができるという効果を奏する。   Furthermore, according to the present embodiment, the positioning piece 145 and the operation piece 146 are L-shaped members that are connected in a substantially L shape, and the connected portions are rotatably supported. The second guide A spring that biases the operation piece 146 away from the flat surface 122 of the boss part 12 and the positioning piece 145 pressed against the arcuate surface 121 of the boss part 12 in a state where the part 14 is mounted on the boss part 12. By providing 151, the engagement / disengagement between the positioning groove 124 and the groove 144 of the positioning piece 145 can be achieved with a simple configuration.
さらに、本実施の形態によれば、2個のL字状部材が軸心Cに対して点対称の位置にそれぞれ設けられていることにより、第2のガイド部14をボス部12に環装させても、ボス部12を中心とする回転に偏りが生じることがなく、スムーズにボス部12を回転させることができるという効果を奏する。   Further, according to the present embodiment, since the two L-shaped members are provided at positions symmetrical with respect to the axis C, the second guide portion 14 is attached to the boss portion 12. Even if it makes it do, it does not produce a bias | deviation in the rotation centering on the boss | hub part 12, and there exists an effect that the boss | hub part 12 can be rotated smoothly.
さらに、本実施の形態によれば、2個のL字状部材における操作片146をそれぞれ操作する2個の操作部149が、軸心Cを通るボス部12の平面122に平行な線に対して線対称の位置にそれぞれ設けられていることにより、操作部の操作を片手でも無理なく行うことができるという効果を奏する。   Furthermore, according to the present embodiment, the two operation portions 149 that respectively operate the operation pieces 146 in the two L-shaped members are parallel to the line parallel to the plane 122 of the boss portion 12 passing through the axis C. Therefore, the operation unit can be operated with one hand without difficulty.
なお、本発明が上記各実施の形態に限定されず、本発明の技術思想の範囲内において、各実施の形態は適宜変更され得ることは明らかである。また、上記構成部材の数、位置、形状等は上記実施の形態に限定されず、本発明を実施する上で好適な数、位置、形状等にすることができる。なお、各図において、同一構成要素には同一符号を付している。   Note that the present invention is not limited to the above-described embodiments, and it is obvious that the embodiments can be appropriately changed within the scope of the technical idea of the present invention. In addition, the number, position, shape, and the like of the constituent members are not limited to the above-described embodiment, and can be set to a number, position, shape, and the like that are suitable for implementing the present invention. In each figure, the same numerals are given to the same component.
本発明に係る被印字媒体供給装置の実施の形態が用いられるサーマルプリンタの構成を示す概略側面図である。1 is a schematic side view showing a configuration of a thermal printer in which an embodiment of a print medium supply apparatus according to the present invention is used. 本発明に係る被印字媒体供給装置の実施の形態構成を示す斜視図である。1 is a perspective view showing a configuration of an embodiment of a print medium supply apparatus according to the present invention. 図2に示すボス部および第1のガイド部の構成を示す斜視図である。It is a perspective view which shows the structure of the boss | hub part and 1st guide part which are shown in FIG. 図2に示す第2のガイド部の構成を示す斜視図である。It is a perspective view which shows the structure of the 2nd guide part shown in FIG. 図4に示す係合機構の構成を示す平面図である。It is a top view which shows the structure of the engagement mechanism shown in FIG. 図4に示す係合機構の操作時の状態を示す平面図である。It is a top view which shows the state at the time of operation of the engagement mechanism shown in FIG. 図4に示す係合機構の係合時の状態を示す平面図である。It is a top view which shows the state at the time of engagement of the engagement mechanism shown in FIG.
符号の説明Explanation of symbols
1 タグ連続体
2 ロール紙
3 インクリボン
10 被印字媒体供給装置
11 回転軸
12 ボス部
13 第1のガイド部
14 第2のガイド部
20 サーマルプリンタ
21 プラテンローラ
22 サーマルヘッド
23 案内ローラ
24 リボン供給軸
25 リボン巻き取り軸
26 案内ローラ
27 案内ローラ
28 案内ローラ
50 カッタ装置
121 円弧面
122 平面
123 樹脂バネ部
124 位置決め溝
131 羽部
141 内周
142 羽部
143 ガイド板
144 溝部
145 位置決め片
146 操作片
147 支持軸
148 カバー
149 操作部
150 対向面
151 バネ
DESCRIPTION OF SYMBOLS 1 Tag continuous body 2 Roll paper 3 Ink ribbon 10 Print medium supply apparatus 11 Rotating shaft 12 Boss part 13 1st guide part 14 2nd guide part 20 Thermal printer 21 Platen roller 22 Thermal head 23 Guide roller 24 Ribbon supply axis 25 Ribbon take-up shaft 26 Guide roller 27 Guide roller 28 Guide roller 50 Cutter device 121 Arc surface 122 Plane 123 Resin spring portion 124 Positioning groove 131 Blade portion 141 Inner periphery 142 Blade portion 143 Guide plate 144 Slot portion 145 Positioning piece 146 Operation piece 147 Support shaft 148 Cover 149 Operation unit 150 Opposing surface 151 Spring

Claims (4)

  1. 被印字媒体が巻き回されたロール紙をロール紙支持軸に支持すると共に、前記ロール紙支持軸に環装されたガイド部によって、前記ロール紙支持軸に支持された前記ロール紙の軸方向における移動を規制する被印字媒体供給装置であって、
    前記ロール紙支持軸は、軸に直交する複数の溝からなる位置決め溝がそれぞれ形成され、軸心を中心とする一対の円弧面と、軸心から等距離に配置された平行な一対の平面とからなる周面を有し、
    前記ガイド部は、前記ロール紙支持軸に環装されている状態で、前記ロール紙支持軸の円弧面上に延出し、前記位置決め溝と係合する溝部が形成されている位置決め片と、前記ロール紙支持軸の平面上に延出し、前記位置決め溝と前記位置決め片の溝部との係合を係脱させる操作片とを具備することを特徴とする被印字媒体供給装置。
    The roll paper around which the printing medium is wound is supported on the roll paper support shaft, and in the axial direction of the roll paper supported on the roll paper support shaft by the guide unit that is wrapped around the roll paper support shaft. A printing medium supply device for restricting movement,
    The roll paper support shaft is formed with positioning grooves each composed of a plurality of grooves perpendicular to the shaft, and a pair of circular arc surfaces centered on the shaft center, and a pair of parallel planes arranged equidistant from the shaft center Having a peripheral surface consisting of
    The guide portion is mounted on the roll paper support shaft, and extends on an arc surface of the roll paper support shaft, and a positioning piece formed with a groove portion that engages with the positioning groove; An apparatus for supplying a print medium, comprising: an operation piece extending on a plane of a roll paper support shaft and engaging / disengaging the positioning groove and the groove portion of the positioning piece.
  2. 前記位置決め片および前記操作片は、略L字状に連設され、連設箇所が回動可能に支持されたL字状部材であり、
    前記ガイド部が前記ロール紙支持軸に環装されている状態で、前記操作片が前記ロール紙支持軸の平面から離れ、且つ前記位置決め片が前記ロール紙支持軸の円弧面に押圧される方向に付勢する付勢手段を具備することを特徴とする請求項1記載の被印字媒体供給装置。
    The positioning piece and the operation piece are L-shaped members that are connected in a substantially L shape, and the connected portions are rotatably supported.
    A direction in which the operation piece is separated from the plane of the roll paper support shaft and the positioning piece is pressed against the arc surface of the roll paper support shaft in a state where the guide portion is mounted on the roll paper support shaft. The printing medium supply device according to claim 1, further comprising an urging unit that urges the printing medium.
  3. 2個の前記L字状部材が軸心に対して点対称の位置にそれぞれ設けられていることを特徴とする請求項2記載の被印字媒体供給装置。   3. The print medium supply apparatus according to claim 2, wherein the two L-shaped members are provided at positions symmetrical with respect to the axis.
  4. 2個の前記L字状部材における前記操作片をそれぞれ操作する2個の操作部は、軸心を通る前記ロール紙支持軸の平面に平行な線に対して線対称の位置にそれぞれ設けられていることを特徴とする請求項3記載の被印字媒体供給装置。   Two operation portions for respectively operating the operation pieces in the two L-shaped members are provided at positions symmetrical with respect to a line parallel to the plane of the roll paper support shaft passing through the axis. The printing medium supply device according to claim 3, wherein
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PCT/JP2008/070854 WO2009107291A1 (en) 2008-02-28 2008-11-17 Supply device of medium to be printed

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Cited By (1)

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US10093501B2 (en) 2013-12-19 2018-10-09 Seiko Epson Corporation Winding device and print winding system

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CN102530607B (en) * 2012-01-19 2014-11-26 珠海市派特尔科技有限公司 Pipe reeling machine

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JPH11139576A (en) * 1997-11-10 1999-05-25 Canon Inc Sheet material feeding device and image forming device
JP2000351493A (en) * 1999-06-14 2000-12-19 Teraoka Seiko Co Ltd Label machine-glazed paper setting device of label printer
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US10479633B2 (en) 2003-12-21 2019-11-19 Seiko Epson Corporation Winding device attachable to a printing device
US10093501B2 (en) 2013-12-19 2018-10-09 Seiko Epson Corporation Winding device and print winding system

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