JP2012218828A - Medium conveying mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely prevent a medium end from entering a gap between a medium pull-over guide and a medium conveyance guide and to prevent occurrence of skew and jam and occurrence of medium breakage, in a medium conveying mechanism for guiding a medium by the medium conveying guide and pressing the medium to a medium reference surface and conveying it by the medium pull-over guide.SOLUTION: In the medium conveying mechanism 1 for moving the medium pull-over guide 10 into a medium conveying path 12 for the time of a narrow medium 7 and pressing the medium 7 to the medium reference surface 2 while conveying the narrow medium 7, the cross section of the medium pull-over guide 10 is turned to a U shape. Alternatively, in the medium conveying mechanism 1 for stopping conveyance when the medium is conveyed to a prescribed position, moving the medium pull-over guide 10 in the direction of the medium reference surface 2, pressing the medium to the medium reference surface 2 and then conveying it, the cross section of the medium pull-over guide 10 is turned to a U shape.

Description

  The present invention relates to a medium conveying mechanism that conveys a medium while pressing the medium against a medium reference surface by a medium width adjusting guide.

  Generally, in an automatic transaction apparatus such as an automated teller machine installed in a financial institution, a medium such as a single slip such as a deposit / withdrawal slip or a booklet passbook is inserted from an insertion slot, and a transaction history is printed. It is designed to discharge after the above process. In order to correctly perform a predetermined process such as printing, it is necessary to press the medium against the reference surface and carry it.

  For this reason, the conventional medium transport mechanism 101 is inserted in the direction of the arrow C and transported by the medium transport path 12 as shown in the top view of FIG. Hereinafter, a medium reference surface 2 that presses one side surface (right side surface in the figure) of the “medium” as shown by an arrow B, a fixed guide 3 that restricts the medium width to the opposite side of the medium reference surface 2, and An upper conveyance guide 4 and a lower conveyance guide 5 that regulate the height direction of the medium are provided to face each other.

  A plurality of conveyance rollers 8 are provided in the medium conveyance path 12 along the medium conveyance direction, and a clamp roller 15 that contacts and separates the conveyance rollers 8 by a driving unit (not shown) below the conveyance rollers 8. Is provided.

  A medium width detection sensor 9a for detecting the medium width and an angle of attack in the conveyance direction for guiding the narrow medium 7 are provided between the fixed guide 3 of the medium conveyance path 12 and the medium reference surface 2. A plate-shaped medium width adjusting guide 110 is provided.

  As shown in the cross-sectional view of FIG. 3B, the medium width adjusting guide 110 moves up and down as indicated by arrows A and D by a drive unit (not shown) and moves out of the conveyance path. The lower conveyance guide 5 is provided with a hole through which the medium width adjusting guide 110 enters the conveyance path.

  With the above configuration, when the medium is inserted as indicated by the arrow C, the conventional medium transport mechanism 101 takes in the medium by bringing the clamp roller 15 into contact with the transport roller 8 and widens by the medium width detection sensor 9a. It is determined whether the medium 6 is a wide medium 6 or a narrow medium 7, and if the medium 6 is a wide medium 6, the medium widening guide 110 is conveyed as indicated by an arrow D so as not to hinder the conveyance of the wide medium 6. When the inserted medium is the narrow medium 7, the medium narrowing guide 110 is raised into the transport path as shown by the arrow A, and the narrow medium 7 is moved to the medium reference surface 2 when the medium is inserted. In this direction, the sheet is conveyed while being pressed against the medium reference surface 2.

  Alternatively, as shown in FIG. 4, a medium width adjusting guide 111 is provided instead of the medium width adjusting guide 110, and a medium stop position detecting sensor 9b for detecting a position at which the conveyance of the medium is temporarily stopped is provided. When the leading edge of the wide medium 6 inserted in the C direction and conveyed by the conveying roller 8 and the clamp roller 15 is detected, the conveyance is temporarily stopped, the medium width adjusting guide 111 is moved in the direction of arrow F, and the wide medium 6 is moved. The sheet is conveyed after being pressed against the medium reference surface 2 as indicated by an arrow B (see, for example, Patent Document 1 and Patent Document 2).

JP 63-106255 A JP 2000-247498 A

  However, in the conventional medium transport mechanism 101, that is, the vertically moving type medium width adjusting guide 110 shown in FIG. 3, it is formed between the upper transport guide 4 and the lower transport guide 5 as shown in FIG. There is a problem in that the end of the narrow medium 7 enters the gap 11a or the gap 11b, and skew or jam occurs or the medium is damaged.

  Further, in the width adjusting type medium width adjusting guide 111 of FIG. 4, as shown in FIG. 5B, the width 11 c and the width 11 d formed between the upper conveying guide 4 and the lower conveying guide 5 are wide. There is a problem that the end of the narrow medium 7 enters and skew or jam occurs, or the medium is damaged.

  The present invention employs the following configuration in order to solve the above-described problems. That is, a medium reference surface that presses one side end of the medium conveyed by the medium conveyance path, a medium conveyance guide that is disposed so as to restrict the height direction of the medium, and a medium conveyance that is disposed along the medium conveyance direction Means, a medium width detection sensor that is provided in the medium conveyance path and detects whether the medium is a narrow medium, and a medium width guide having an angle of attack in the conveyance direction and a U-shaped cross section, When a narrow medium is detected by the medium width detection sensor, the medium width guide is moved into the medium transport path, and the medium transport guide guides the medium narrow guide while transporting the narrow medium. The narrow medium is pressed against the medium reference surface.

  Alternatively, in another invention, a medium reference surface that presses against one end of the medium conveyed by the medium conveyance path, a medium conveyance guide that is disposed to be opposed and regulates the height direction of the medium, and along the medium conveyance direction Medium conveying means, a medium position detection sensor that is provided in the medium conveying path and detects whether or not the medium has been conveyed to a predetermined position, and a cross section with an angle of attack in the conveying direction. A media width adjusting guide, and when the leading edge of the medium is detected by the medium position detection sensor, the medium conveying means is stopped, and the medium width adjusting guide is moved in the medium reference plane direction to The medium is pressed against the medium reference surface, and the medium conveying means is driven to convey the medium.

  According to the medium transport mechanism of the present invention, since it is configured as described above, it is possible to reliably prevent the end of the medium from entering the gap between the medium width adjusting guide and the medium transport guide, and to prevent occurrence of skew and jam, and damage to the medium. Occurrence can be prevented.

FIG. 3 is a configuration diagram and an operation explanatory diagram of a medium transport mechanism according to the first embodiment. FIG. 10 is a configuration diagram and an operation explanatory diagram of a medium transport mechanism according to a second embodiment. It is a block diagram and operation | movement explanatory drawing of the conventional medium conveyance mechanism. It is a block diagram and operation | movement explanatory drawing of the conventional medium conveyance mechanism. It is operation | movement explanatory drawing of the conventional medium conveyance mechanism.

  Embodiments of the present invention will be described below with reference to the drawings. Elements common to the drawings are given the same reference numerals.

(Constitution)
FIG. 1 is a configuration diagram of a medium transport mechanism 1 according to the first embodiment. As shown in the top view of FIG. 1A, the medium transport mechanism 1 according to the first embodiment is inserted as shown by an arrow C and is one end of the medium transported by the medium transport path 12 (right side surface in the figure). Is pressed as shown by an arrow B, a fixed guide 3 that restricts the medium width on the opposite side of the medium reference surface 2, and an upper conveyance guide 4 and a lower conveyance guide 5 that regulate the height direction of the medium. Are provided facing each other.

  The medium conveyance path 12 is provided with a plurality of conveyance rollers 8 along the medium conveyance direction as medium conveyance means, and abuts against the conveyance rollers 8 by a drive unit (not shown) below the conveyance rollers 8. Alternatively, a clamp roller 15 that is separated is provided.

  Further, a medium width detection sensor 9a for detecting the medium width and a drawing angle of attack in the conveyance direction for guiding the narrow medium 7 between the fixed guide 3 of the medium conveyance path 12 and the medium reference surface 2 are shown. A medium width adjusting guide 10 having a U-shaped cross section as shown in the enlarged view of the a1 portion shown in FIG. 1 (c) or FIG.

  The medium width adjusting guide 10 is moved up and down as shown by arrows A and D in FIG. 1 (b) by a drive unit (not shown) and moved into the conveyance path as shown by a solid line in FIG. 1 (b). b) It can be retracted to the outside of the conveyance path as indicated by a broken line, and the upper conveyance guide 4 and the lower conveyance guide 5 are provided with holes for allowing the medium width adjusting guide 10 to enter the conveyance path. ing.

(Operation)
With the above configuration, the medium transport mechanism 1 according to the first exemplary embodiment operates as follows. This operation will be described in detail below with reference to FIG.

  First, when a medium is inserted as indicated by an arrow C, the clamp roller 15 is brought into contact with the transport roller 8, and the inserted medium is taken in and transported.

  The medium width detection sensor 9a determines whether the medium 6 is a wide medium 6 or a narrow medium 7. If the medium 6 is a wide medium 6, the medium width adjusting guide 10 is moved in the direction of the arrow D so as not to hinder the conveyance of the wide medium 6. When the inserted medium is the narrow medium 7, the medium width adjusting guide 10 is raised into the conveying path as indicated by the arrow A, and the medium width adjusting guide 10 The narrow medium 7 is conveyed in the direction of arrow C while being guided and pressed in the direction of the medium reference plane 2 as indicated by arrow B by the end portion (a1 side in FIG. 1) provided with the angle of attack.

  And after performing a predetermined | prescribed process, it conveys in the reverse direction to the arrow C direction, and discharges | emits it. At this time, as in the case of the medium insertion, when the medium 6 is a wide medium, the medium width adjusting guide 10 is kept retracted from the conveyance path as indicated by an arrow D so as not to hinder the conveyance of the wide medium 6. On the other hand, when the inserted medium is the narrow medium 7, the medium width adjusting guide 10 is kept raised in the transport path as indicated by the arrow A, and the other angle of attack of the medium width adjusting guide 10 is set. The narrow medium 7 is discharged while being guided and pressed in the direction of the medium reference surface 2 as indicated by an arrow B by the provided end (a2 side in FIG. 1). Of course, when discharging, the medium width adjusting guide 10 may be retracted and discharged.

  As described above, when the medium is guided and pressed in the direction of the medium reference surface 2 by the medium width adjusting guide 10, as shown in the sectional view of FIG. The U-shaped cross-section is used to regulate the width direction and the vertical direction of the medium edge by the U-shaped, so that the medium edge is aligned with the medium width adjusting guide 10, the upper conveyance guide 4, and the lower conveyance. It does not enter the gap 11e with the guide 5.

(Effect of Example 1)
As described above, according to the medium conveying mechanism of the first embodiment, the medium width adjusting guide is provided, and when the medium is narrow, the medium width adjusting guide is moved into the conveying path to bring the medium into contact with the medium reference surface. In the medium transport mechanism for transporting the medium, the cross section of the medium width adjusting guide has a U shape, and the width direction and the vertical direction of the medium end are regulated by the inside of the U shape. It is possible to surely prevent the end of the medium from entering the gap of the medium transport guide, and to prevent the occurrence of skew and jam and the breakage of the medium.

(Constitution)
FIG. 2 is a configuration diagram of the medium transport mechanism 1 according to the second embodiment. As shown in the drawing, in the medium transport mechanism 1 according to the second embodiment, a medium width adjusting guide 11 is provided instead of the medium width adjusting guide 10 according to the first embodiment, and the position where the medium transport is temporarily stopped is provided. A medium stop position detection sensor 9b for detection is provided.

  As shown in the enlarged view of the portion b in FIG. 2C, the medium width adjusting guide 11 has a U-shaped cross section, and the medium conveyance path 12 on the side opposite to the medium reference surface 2. In preparation for the home position, when the wide medium 6 is brought closer, it moves from the home position into the transport path as indicated by an arrow F. Since other configurations are the same as those of the medium transport mechanism of the first embodiment, detailed description thereof is omitted for the sake of brevity.

(Operation)
With the above configuration, the medium transport mechanism 1 according to the second embodiment operates as follows. This operation will be described in detail below with reference to FIG.

  First, when the medium is inserted as shown by an arrow C, the clamp roller 15 is brought into contact with the transport roller 8 to take in and transport the inserted medium. Then, the medium is conveyed to the medium stop position detection sensor 9b, and when the leading edge of the medium is detected, the driving of the conveyance roller 8 is stopped.

  Then, in order to bring the medium closer to the medium reference surface 2, the clamp roller 15 is separated from the conveying roller 8 to release the medium from the clamped state.

  Then, the medium width adjusting guide 11 is driven, and the end of the medium is pressed in the direction of arrow F so as to be pressed against the medium reference surface 2 as indicated by arrow B.

  At this time, as shown in FIGS. 2B and 2C, the medium width adjusting guide 11 has a U-shaped cross section, and the width direction and the vertical direction of the medium edge are regulated by the U-shaped shape. Therefore, it is possible to prevent the end of the medium from entering the gap 11f between the medium width adjusting guide 11 and the upper transport guide 4 or the lower transport guide 5.

(Effect of Example 2)
As described above, according to the medium transport mechanism of the second embodiment, the medium width guide is provided, and when the medium is transported to a predetermined position, the medium width guide is moved to press the medium against the medium reference surface. In the medium transport mechanism for transporting, since the cross section of the medium width adjusting guide has a U shape, the width direction and the vertical direction of the end of the medium are regulated by the U shape. It is possible to reliably prevent the end of the medium from entering the gap of the guide, and to prevent the occurrence of skew, jam, and medium breakage.

<< Other modifications >>
In the above description of the embodiment, an example in which the medium width adjusting guide 10 for guiding the narrow medium 7 and the medium width adjusting guide 11 for guiding the wide medium 6 are provided has been described. Both of the guides 11 are provided. When the medium is narrow, the medium width guide 10 is raised (in the direction of arrow A) and guided. When the medium is wide 6, the medium width guide 10 is lowered (in the direction of arrow D). Even when the medium width adjusting guide 11 is moved in the medium reference plane 2 direction (arrow F direction) and the end of the medium is pressed against the medium reference plane 2 and conveyed, the same effect can be obtained. it can.

  The present invention can be widely used in a medium processing apparatus including a medium transport mechanism that transports a medium by pressing the medium against a medium reference surface by a medium width guide for performing predetermined processing.

DESCRIPTION OF SYMBOLS 1 Medium conveyance mechanism 2 Medium reference surface 3 Fixed guide 4 Upper conveyance guide 5 Lower conveyance guide 6 Wide medium 7 Narrow medium 8 Conveyance roller 9a Medium width detection sensor 9b Medium stop position detection sensor 10, 11 Medium width adjustment guides 11a-11f Clearance 12 Medium transport path 15 Clamp roller

Claims (2)

A medium reference surface that presses against one end of the medium conveyed by the medium conveyance path;
A medium conveyance guide that is disposed opposite to regulate the height direction of the medium;
Medium conveying means arranged along the medium conveying direction;
A medium width detection sensor that is provided in the medium conveyance path and detects whether the medium is narrow;
A medium width guide with an angle of attack in the transport direction and a U-shaped cross section,
When a narrow medium is detected by the medium width detection sensor, the medium width guide is moved into the medium transport path, and the medium transport guide guides the medium narrow guide while transporting the narrow medium. A medium transport mechanism, wherein the narrow medium is pressed against a medium reference surface. A medium reference surface that presses against one end of the medium conveyed by the medium conveyance path;
A medium conveyance guide that is disposed opposite to regulate the height direction of the medium;
Medium conveying means arranged along the medium conveying direction;
A medium position detection sensor provided in the medium conveyance path for detecting whether the medium has been conveyed to a predetermined position;
A medium width guide with an angle of attack in the transport direction and a U-shaped cross section,
When the front end of the medium is detected by the medium position detection sensor, the medium conveying unit is stopped, the medium width adjusting guide is moved in the medium reference plane direction, and the medium is pressed against the medium reference plane. A medium conveying mechanism, wherein the medium conveying means is driven to convey the medium.

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