JP2013199377A - Medium reversing device and medium reversing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a medium reversing device or the like which can reduce a running cost since a medium can be reversed by own weight of the medium without using power.SOLUTION: A medium reversing device includes: a medium receiving part 10 which is rotatably provided centered at an axis part 20 and on which a medium is placed; a weight 14 which is provided on the opposite side of the medium receiving part 10 to the axis part 20, for balancing with the medium receiving part 10 concerning rotation of the medium receiving part 10 centered at the axis part 20; and a guide part 30 for guiding and reversing the medium dropped off from the medium receiving part 10. In the medium reversing device, when the medium is placed on the medium receiving part 10, the medium receiving part 10 rotates centered at the axis part 20 by own weight of the medium, and a degree of inclination of the medium receiving part 10 increases, whereby the medium drops from this medium receiving part 10, and the medium is reserved by the guide part 30.

Description

  The present invention relates to a medium reversing apparatus and a medium reversing method for reversing a medium such as an envelope or a sheet bundle.

  Conventionally, various types of medium reversing devices for reversing media such as envelopes and sheet bundles are known. For example, Patent Document 1 discloses a manual recording medium supply device that includes a flapper that is supported so as to be swingable up and down, and a supply roller that is installed near the upper part on the swing end side of the flapper. . In the manual recording medium supply device disclosed in Patent Document 1, a drive unit and a drive transmission unit for swinging the flapper upward are provided. In addition, a torque limiter mechanism is interposed in the drive transmission unit. When the drive unit is driven, the flapper swings upward, and when the swinging end of the flapper comes into contact with the supply roller, the torque limiter mechanism causes the flapper to move. And the supply roller are kept in contact with each other. Further, when the drive unit is not driven, the swinging end of the flapper moves downward under its own weight, so that the flapper stops at the standby position.

JP 2009-249143 A

  However, in the manual recording medium supply apparatus disclosed in Patent Document 1, a torque limiter mechanism is interposed in the drive transmission unit, and power is supplied to the flapper by the drive unit. There is a problem of end.

  The present invention has been made in consideration of such points, and the medium can be reversed by the weight of the medium without using power. Therefore, the medium reversing apparatus and the medium can reduce the running cost. An object is to provide an inversion method.

  The medium reversing device according to the present invention includes a medium receiving portion on which a medium is placed, which is provided rotatably about a shaft portion, and is provided on the opposite side of the medium receiving portion with respect to the shaft portion. A weight for balancing the medium receiving portion with respect to the rotation of the medium receiving portion around the portion, and a guide portion for guiding the medium dropped from the medium receiving portion to be reversed. When the medium is placed on the part, the medium receiving part rotates about the shaft part due to the weight of the medium, and the medium receiving part increases the degree of inclination of the medium receiving part. It falls and the medium is reversed by the guide part.

  According to such a medium reversing device, the medium can be dropped and reversed from the medium receiving portion by using the weight of the medium without using the power, so that compared with the case where the power by the driving unit or the like is used. Running cost can be reduced.

  In the medium reversing device of the present invention, the medium reversing device further includes a reading unit that is provided facing a surface on which the medium is placed in the medium receiving unit and reads surface information of the medium placed on the medium receiving unit. Also good.

  In the medium inverting device of the present invention, a weight support portion is provided on the opposite side of the medium receiving portion with respect to the shaft portion, and the medium receiving portion and the weight support portion are integrally centered on the shaft portion. And the weight may be supported by the weight support portion.

  At this time, the medium inverting device may further include weight position adjusting means for adjusting the position of the weight with respect to the weight support portion.

  In the medium reversing device of the present invention, when no medium is placed on the medium receiving portion, the medium receiving portion is stationary in an inclined state, and the medium is placed on the medium receiving portion. In this case, a stopper may be provided in the vicinity of the medium receiving portion for preventing the medium from sliding off the medium receiving portion before the medium receiving portion starts to rotate around the shaft portion.

  The medium reversing method of the present invention includes a step of placing a medium on a medium receiving portion that is rotatably provided around a shaft portion, and after the medium is placed on the medium receiving portion, the weight of the medium is The medium receiving portion rotates around the shaft portion, and the medium is dropped from the medium receiving portion by increasing the degree of inclination of the medium receiving portion, and the medium dropped from the medium receiving portion is reversed. And a step of guiding by the guide unit.

  According to such a medium reversing method, the medium can be dropped from the medium receiving portion by using the weight of the medium without using power, so that the medium can be reversed. Running cost can be reduced.

  According to the medium reversing device and the medium reversing method of the present invention, the medium can be reversed by the weight of the medium without using power, so that the running cost can be reduced.

It is a side view of the envelope inversion apparatus by embodiment of this invention. It is a figure when the axial part of the envelope inversion apparatus shown in FIG. 1 is seen from the left-right direction.

  Embodiments of the present invention will be described below with reference to the drawings. As the medium reversing device according to the present invention, an envelope reversing device for reversing the envelope is used in the present embodiment. 1 and 2 are diagrams showing an envelope inverting device according to the present embodiment. Among these, FIG. 1 is a side view of the envelope reversing device according to the present embodiment, and FIG. 2 is a view of the shaft portion of the envelope reversing device shown in FIG.

  As shown in FIG. 1, the envelope reversing device according to the present embodiment includes an envelope receiving portion 10 on which an envelope is placed, a weight support portion 12 for supporting a weight 14, and a shaft portion 20. The envelope receiving portion 10 and the weight support portion 12 are integrally rotatable about the shaft portion 20. The envelope receiver 10 is made of a flat plate member having a relatively low specific gravity, such as aluminum or resin. The weight 14 supported by the weight support portion 12 is provided on the opposite side of the envelope receiving portion 10 with respect to the shaft portion 20, and this weight 14 relates to the rotation of the envelope receiving portion 10 around the shaft portion 20. A balance with the envelope receiver 10 is taken. When the envelope is placed on the envelope receiver 10, the envelope receiver 10 rotates in the counterclockwise direction in FIG. 1 (in the direction of the arrow in FIG. 1) around the shaft portion 20 due to its own weight. The envelope is dropped from the envelope receiving portion 10 by increasing the degree of inclination of the envelope receiving portion 10.

  Further, as shown in FIG. 1, weight position adjusting means 16 for adjusting the position of the weight 14 with respect to the weight support portion 12 is provided. By adjusting the position of the weight 14 with respect to the weight support portion 12, specifically, the distance from the shaft portion 20 to the weight 14 by such weight position adjusting means 16, the mass of the envelope placed on the envelope receiving portion 10. Even when is changed, the weight 14 can maintain the balance with the envelope receiving portion 10.

  FIG. 2 is a view of the shaft portion 20 of the envelope inverting device shown in FIG. 1 as viewed from the left-right direction. As shown in FIG. 2, fixed bases 22 are provided at both ends of the shaft part 20 via bearings (not shown), and these fixed bases 22 are fixed to a frame 24 of the envelope reversing device. Yes. As described above, the shaft portion 20 is rotatable because both end portions of the shaft portion 20 are supported by the fixed base 22 via the bearings.

  As shown in FIG. 1, the frame 24 of the envelope inverting device is provided with a rotation preventing member 26. The rotation preventing member 26 comes into contact with the lower surface of the weight support portion 12. When the envelope is not placed on the envelope receiver 10, the weight support portion on the right side of the shaft portion 20 is more than the moment of force by the envelope receiver 10 on the left side of the shaft portion 20 with respect to the rotational moment about the shaft portion 20. The moment of force by the weight 12 and the weight 14 is slightly larger, so that the envelope receiving portion 10 and the weight support portion 12 integrally rotate about the shaft portion 20 in the clockwise direction of FIG. It has become. However, when the lower surface of the weight support portion 12 abuts against the rotation preventing member 26, the envelope receiving portion 10 and the weight support portion 12 are further rotated from the state shown in FIG. Will not rotate.

  In addition, when no envelope is placed on the envelope receiver 10, the lower surface of the weight support 12 abuts against the rotation preventing member 26 as shown in FIG. It stands still in a state inclined toward the direction of (lower left). Although not shown in FIG. 1, the envelope receiving portion 10 is stationary even in the depth direction of the paper surface of FIG. That is, the end edge of the envelope receiving portion 10 on the near side in the depth direction of the paper surface of FIG. 1 is positioned lower than the end edge of the envelope receiving portion 10 on the back side. Further, as shown in FIG. 1, a stopper 18 is provided in the vicinity of the swing end 10 a in the envelope receiver 10. When the envelope is placed on the envelope receiver 10, the stopper 18 slides from the envelope receiver 10 before the envelope receiver 10 rotates about the shaft 20 in the direction indicated by the arrow in FIG. 1. It is designed to prevent it from falling.

  In addition, the envelope reversing device according to the present embodiment includes a guide unit 30 that guides the envelope dropped from the envelope receiving unit 10 so as to be reversed. As shown in FIG. 1, the guide portion 30 has an arcuate curved shape that protrudes obliquely downward, and the tip of the envelope dropped from the envelope receiving portion 10 is the inner surface of the guide portion 30. The envelope is reversed by moving downward along the line. In this way, when the envelope is placed on the envelope receiving portion 10 with the surface (Otemen) facing upward, the envelope dropped from the envelope receiving portion 10 is reversed by the guide portion 30, and the envelope The surface is facing down. Further, the envelope reversing device according to the present embodiment is provided with a stacking unit 40 in which envelopes reversed by the guide unit 30 are stacked, and the envelopes reversed by the guide unit 30 are stacked on the stacking unit 40. ing.

  Further, the envelope reversing device according to the present embodiment includes a reading unit 50 that reads surface information of the envelope placed on the envelope receiving unit 10. The reading unit 50 is composed of, for example, an imaging camera or the like. When characters or the like are written on the surface of the envelope, the reading unit 50 images the surface of the envelope and reads the characters or the like on the surface of the envelope by OCR or the like. . In addition, when a window made of a transparent or translucent film is formed on the surface of the envelope, the reading unit 50 receives information (such as characters on the surface of the document stored in the envelope via the window) ( For example, the information on the address or name of the mailing address of the envelope is captured and read by OCR or the like. Such a reading unit 50 is provided so as to face the surface on which the envelope is placed in the envelope receiving unit 10 (the upper surface of the envelope receiving unit 10 in FIG. 1). The reading unit 50 is supported by a support arm 52, and the support arm 52 is movable in the X axis direction and the Y axis direction along a horizontal plane. The position of the reading unit 50 can be adjusted by moving the support arm 52 in the X axis direction and the Y axis direction along the horizontal plane. For this reason, the information can be read by moving the reading unit 50 by the support arm 52 regardless of the position of the information to be read on the surface of the envelope.

  Next, the operation of the envelope inverting device having such a configuration will be described.

  First, the envelope to be reversed is placed on the envelope receiver 10. At this time, when the envelope surface information is read by the reading unit 50 including an imaging camera or the like, the envelope is placed on the envelope receiving unit 10 with the envelope surface facing upward in FIG. When the envelope is placed on the envelope receiver 10, the reading unit 50 reads the surface information of the envelope. Specifically, as described above, when characters or the like are written on the surface of the envelope, the reading unit 50 images the surface of the envelope and reads the characters or the like on the surface of the envelope by OCR or the like. Further, when a window portion made of a transparent or translucent film is formed on the surface of the envelope, the reading unit 50 displays information such as characters on the surface of the document accommodated in the envelope through the window portion. Image is taken and read by OCR or the like.

  Further, when the envelope is placed on the envelope receiving portion 10, the envelope receiving portion 10 and the weight support portion 12 are integrally rotated around the shaft portion 20 in the direction of the arrow by the weight of the envelope, and the envelope receiving portion As the degree of inclination of 10 increases, the envelope falls from the envelope receiver 10. Then, the tip of the envelope dropped from the envelope receiving portion 10 moves downward along the inner surface of the arcuate curved guide portion 30 to invert the envelope. Specifically, when the envelope is placed on the envelope receiving portion 10 with the front surface (Otemenen) facing upward, the envelope dropped from the envelope receiving portion 10 is reversed by the guide portion 30, and the envelope The surface is facing down. In this way, the envelopes are stacked on the stacking unit 40 in an inverted state.

  As described above, according to the envelope reversing device of the present embodiment, the envelope receiving portion 10 on which the envelope is placed, which is rotatably provided around the shaft portion 20, and the envelope receiving portion with respect to the shaft portion 20. 10 is provided on the opposite side to the weight 14 for balancing the envelope receiving portion 10 with respect to the rotation of the envelope receiving portion 10 around the shaft portion 20, and guides to reverse the envelope dropped from the envelope receiving portion 10. And when the envelope is placed on the envelope receiving portion 10, the envelope receiving portion 10 rotates around the shaft portion 20 by the weight of the envelope, and the envelope receiving portion 10 is inclined. The envelope is dropped from the envelope receiving portion 10 by increasing the degree of. In this way, since the envelope can be dropped and inverted from the envelope receiving portion 10 by using the envelope's own weight without using power, the running cost is reduced as compared with the case where power by the drive unit or the like is used. be able to.

  In the envelope reversing device according to the present embodiment, the reading unit 50 is provided facing the surface on which the envelope is placed in the envelope receiving unit 10 and reads the surface information of the envelope placed on the envelope receiving unit 10. Is further provided. Thereby, the surface information of the envelope before being inverted can be read. Note that such a reading unit 50 is not an essential constituent element, and an envelope reversing device in which the installation of the reading unit 50 is omitted may be used if the envelope is simply reversed.

  Further, in the envelope reversing device of the present embodiment, the weight support portion 12 is provided on the opposite side of the envelope receiving portion 10 with respect to the shaft portion 20, and the envelope receiving portion 10 and the weight support portion 12 are integrally formed. The shaft 14 rotates around the shaft portion 20, and the weight support portion 12 supports the weight 14. Also, weight position adjusting means 16 for adjusting the position of the weight 14 with respect to the weight support portion 12 is provided. As described above, the weight position adjusting means 16 adjusts the position of the weight 14 with respect to the weight support portion 12, specifically, the distance of the weight 14 from the shaft portion 20, thereby placing it on the envelope receiving portion 10. Even when the mass of the envelope to be changed changes, the weight 14 can maintain the balance with the envelope receiver 10.

  Further, in the envelope reversing device according to the present embodiment, when the envelope is not placed on the envelope receiver 10, the envelope receiver 10 is stationary in an inclined state. A stopper 18 is provided to prevent the envelope from sliding off the envelope receiver 10 before the envelope receiver 10 rotates about the shaft 20 when the envelope is placed. As a result, even when the envelope receiving portion 10 is not placed on the envelope receiving portion 10, even if the envelope receiving portion 10 is stationary in an inclined state, the envelope is not moved before the envelope receiving portion 10 starts to rotate. It is possible to prevent accidental slipping from the envelope receiver 10.

  The medium reversing apparatus and the medium reversing method according to the present invention are not limited to the above-described embodiments, and various modifications can be made. For example, the medium reversed by the medium reversing device or the medium reversing method is not limited to the envelope, and other types of media such as a sheet bundle may be reversed.

DESCRIPTION OF SYMBOLS 10 Envelope receiving part 10a Swing end 12 Weight support part 14 Weight 16 Weight position adjustment means 18 Stopper 20 Shaft part 22 Fixed base 24 Frame 26 Anti-rotation member 30 Guide part 40 Accumulation part 50 Reading part 52 Support arm

Claims (6)

A medium receiving portion on which a medium is placed, which is provided rotatably about a shaft portion;
A weight provided on the opposite side of the medium receiving portion with respect to the shaft portion, and a weight for balancing the medium receiving portion with respect to rotation of the medium receiving portion around the shaft portion;
A guide unit for guiding the medium dropped from the medium receiving unit to be reversed;
With
When the medium is placed on the medium receiving portion, the medium receiving portion rotates about the shaft portion due to the weight of the medium, and the degree of the inclination of the medium receiving portion increases. The medium reversing device is configured such that the medium falls from the medium and the medium is reversed by the guide portion.   The medium reversing device according to claim 1, further comprising a reading unit that is provided to face a surface of the medium receiving unit on which the medium is placed and reads surface information of the medium placed on the medium receiving unit.   A weight support portion is provided on the opposite side of the medium receiving portion with respect to the shaft portion, and the medium receiving portion and the weight support portion rotate integrally around the shaft portion, The medium reversing device according to claim 1, wherein the weight is supported by the weight support portion.   4. The medium reversing device according to claim 3, further comprising weight position adjusting means for adjusting the position of the weight with respect to the weight support portion. When no medium is placed on the medium receiving portion, the medium receiving portion is configured to be stationary in an inclined state,
When the medium is placed on the medium receiving part, a stopper for preventing the medium from sliding off the medium receiving part before the medium receiving part starts to rotate around the shaft part is provided on the medium receiving part. The medium reversing device according to claim 1, wherein the medium reversing device is provided in the vicinity. A step of placing a medium on a medium receiving portion provided rotatably about a shaft portion;
After the medium is placed on the medium receiving portion, the medium receiving portion rotates about the shaft portion by the weight of the medium, and the degree of inclination of the medium receiving portion increases. A process of dropping the medium;
A step of guiding the medium dropped from the medium receiving unit by the guide unit to reverse the medium;
A medium reversal method comprising:

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