JP2002074462A - Medium-collecting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To collect recording media orderly, regardless of the extent of natural curling. SOLUTION: A medium collection box 25 is provided with two separate chambers, namely a 1st medium collection chamber 27 which guides recording media S, whose curl is smaller than specified along the extension surface of a medium collection path 20 and a 2nd medium collection chamber 28, which guides recording media S whose curl is larger than the specified in the same direction as the directions of their curling. Consequently, when the recording media are collected, the recording media S whose curl is smaller can be guided to the 1st medium collection chamber 27 and the recording media S, whose curl is larger can be guided to the 2nd medium collection chamber 28. The recording media S can be prevented from jamming, folding or wrinkling.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a medium collecting device for collecting a recording medium such as a transaction statement issued by a printing device.

[0002]

2. Description of the Related Art For example, ATM (Automatic Teller)
Machine) prints the necessary information on the roll paper with a printing device, cuts the roll paper to the specified length after printing, issues it as a transaction statement (recording medium), and the customer forgets to take the transaction statement. In such a case, this is collected by a medium collection device.

[0003] This type of medium recovery apparatus will be described.
FIG. 8 is a vertical sectional side view showing an example of a conventional medium recovery device D. A conveyance belt 103 as a medium conveyance member is provided on a medium conveyance path 102 from a printing unit (not shown) to a medium issuing port 101 via a cutter (not shown). And the pinch roller 105 are in contact with each other. A medium collection box 106 is provided below the medium conveyance path 102 so as to be rotatable downward about a spindle 107, and a medium collection path 108 is branched from the medium conveyance path 102 toward the medium collection box 106. ing. The branch point is near the pinch roller 105 on the opposite side of the medium issuing port 101, and a U-shaped branch guide member 109 is provided at the branch point so as to be able to move up and down in the vertical direction. This branch guide member 109 is retracted upward by the thrust of the recording medium to convey the recording medium from the printing section on the left side to the medium issuing port 101 on the right side by rotating the conveying belt 103 in the normal direction. It is provided to guide the recording medium to the medium collection path 108 when the conveyance belt 103 is reversed to allow the conveyance of the recording medium to the medium 101 and to collect the recording medium from the medium issuing port 101.

When roll paper is used to issue a recording medium such as a transaction statement, the roll habit remaining on the recording medium when cut into the recording medium is less than a certain value because the winding diameter is large at the beginning of use of the roll paper. The strength of the curl becomes stronger when the roll diameter of the roll paper is less than a certain value.

[0005]

The medium collection box 106 of the conventional medium collection apparatus D shown in FIG. 8 has a box shape with a substantially flat bottom. This is often the same in other conventional examples. In such a medium collection box 106, even if the path of the recording medium S to be collected is determined by the medium collection path 108, the recording medium S cannot be regulated in the medium collection box 106. The posture and position that can be accommodated are variously disturbed. As a result, the recording medium S is broken or wrinkled in the medium collection box 106, and the alignment operation after removing the recording medium S from the medium collection box 106 is troublesome.

SUMMARY OF THE INVENTION An object of the present invention is to provide a medium collecting device capable of collecting a recording medium irrespective of the strength of the curl.

Another object of the present invention is to provide a medium collecting apparatus which can easily take out a recording medium from a medium collecting box.

[0008]

According to the first aspect of the present invention,
A medium transport path from a printing unit that prints information on roll paper to a medium issuing port that issues the recording medium via a cutter that cuts the roll paper into units of a recording medium having a specified length,
A medium transport member that is provided so as to be capable of driving in the forward and reverse directions and transports the recording medium along the medium transport path; a medium recovery path branched from the medium transport path; and a medium recovery storage connected to the medium recovery path And a branch guide member provided at a branch point between the medium transport path and the medium recovery path and guiding the recording medium to the medium recovery path, wherein the medium recovery storage has a constant winding habit. A first medium recovery chamber that guides the following recording medium along the extended surface of the medium recovery path, and a second medium that guides the recording medium having a certain degree of curl in the same direction as the direction of the curl. And a medium collection chamber.

Therefore, when the recording medium is collected, the recording medium having a weak curl is guided from the medium collecting path to the first medium collecting chamber, and the recording medium having a strong curl is transferred from the medium collecting path to the second medium collecting chamber. Be guided.

According to a second aspect of the present invention, there is provided a medium issuing port for issuing the recording medium via a cutter for cutting the roll paper into recording medium units of a designated length from a printing unit for printing information on the roll paper. , A medium transport member provided so as to be able to be driven forward and reverse to transport the recording medium along the medium transport path, a medium recovery path branched from the medium transport path, and the medium recovery path And a branch guide member that is provided at a branch point between the medium transport path and the medium recovery path and guides the recording medium to the medium recovery path. One end is fixed to a part of the medium collection box and the other end is fixed at a fixed position between the medium collection path and the medium collection box. The medium recovery path is supported by Wherein it is arcuately curved to direct while bending the recording medium in the same direction as the direction of the curl resiliently deflectable possible medium guiding sheet is provided that is conveyed along.

Therefore, when collecting the recording medium, the recording medium is guided by the medium guide sheet while being curved in the same direction as the direction of the curl regardless of the strength of the curl. In addition, when the medium collection box is displaced in a direction away from the medium collection path, the medium guide sheet is pulled, so that the recording medium can be lifted from the bottom of the medium collection box at the intermediate portion to facilitate removal. .

According to a third aspect of the present invention, there is provided a medium issuing port for issuing the recording medium via a cutter for cutting the roll paper into recording medium units of a designated length from a printing unit for printing information on the roll paper. , A medium transport member provided so as to be able to be driven forward and reverse to transport the recording medium along the medium transport path, a medium recovery path branched from the medium transport path, and the medium recovery path A medium recovery store connected to the, a branch guide member provided at a branch point between the medium transport path and the medium recovery path and guiding the recording medium to the medium recovery path, comprising a medium recovery store, A curved guide surface curved in an arc shape so as to guide the recording medium conveyed along the medium collection path while curving the recording medium in the same direction as the curl direction, and toward the inner surface of the curved recording medium. With the swelled medium pressing part To.

Therefore, when collecting the recording medium, the recording medium is guided by the curved guide surface while being curved in the same direction as the direction of the curl, regardless of the strength of the curl. In this case, the recording medium having a strong curl tends to curl with a radius smaller than the radius of the curved guide surface, but its movement is prevented by the medium pressing portion.

According to a fourth aspect of the present invention, in the third aspect of the present invention, the medium recovery storage has a contact portion for abutting an edge of the recording medium in the collection direction. The length of the arc from the tip of the medium recovery path to the contact portion on a curve curved by the curved guide surface in an arc shape is set to a length shorter than the length of the recording medium.

Therefore, similarly to the third aspect of the present invention, the recording medium is collected while being curved between the curved guide surface and the medium pressing portion. In this case, since the edge on the opposite side is released from the medium recovery path until the edge in the recovery direction of the recording medium abuts on the abutting portion, the recording medium jumps due to its own stiffness and the medium is recovered. It separates from the end of the path toward the curved guide surface side, and opens the collection path for collecting the next recording medium.

According to a fifth aspect of the present invention, in the third aspect of the present invention, a pair of medium recovery rollers for nipping and transporting the recording medium toward the medium recovery storage are provided near the outlet of the medium recovery path. The medium collection box has an abutting portion that abuts an edge on the leading end side in the collection direction of the recording medium, and the medium on a curve in which the recording medium is curved in an arc by the curved guide surface. The length of the arc from the nip portion of the collection roller to the contact portion is set to be shorter than the length of the recording medium.

Therefore, the recording medium is recovered while being curved between the curved guide surface and the medium pressing portion, similarly to the third aspect of the present invention. In this case, since the edge on the opposite side is released from the nip portion of the medium collection roller before the edge in the collection direction of the recording medium abuts on the contact portion, the recording medium is rebounded by its own stiffness. Then, the recording medium is separated from the nip portion of the medium collection roller toward the curved guide surface, and the collection path is opened for collecting the next recording medium.

The invention according to claim 6 is the invention according to claims 3 to 5
In the invention according to any one of the above, a pair of medium recovery rollers for nipping and transporting the recording medium toward the medium recovery storage is provided near the exit of the medium recovery path, and the medium recovery roller is nipped and transported by the medium recovery roller. A medium jumping member that retreats from the collection path of the recording medium by the thrust of the recording medium and that advances into the collection path when the recording medium is released from the medium collection roller.

Therefore, the recording medium is recovered while being curved between the curved guide surface and the medium pressing portion, similarly to the invention according to any one of the third to fifth aspects. In this case, the edge opposite to the edge in the collection direction of the recording medium is jumped up by the jumping-up member and separated from the end of the medium collection path toward the curved guide surface side, so that the next recording medium is collected. Open collection path for

[0020]

FIG. 1 shows a first embodiment of the present invention.
A description will be given based on FIG. FIG. 1 is a vertical sectional side view showing a printing unit and a medium collecting device, and FIG. 2 is a vertical sectional side view showing the medium collecting device in a state where a medium collecting box is opened.

As shown in FIG. 1, a printing section 1 is provided. The printing unit 1 is formed by a platen 2 and a thermal head 3 pressed against the platen 2. A cutter 5 is provided at a portion downstream of the printing unit 1 in the transport direction of the roll paper 4. The cutter 5 is formed by a fixed blade 6 and a movable blade 7 driven in a vertical direction. A roll paper supply unit (not shown) that holds the roll paper 4 in a wound state is provided upstream of the printing unit 1, and a roll paper drawn from the roll paper supply unit is provided above the printing unit 1. A rotatable guide roller 8 for guiding the path 4 and a guide plate 9 are provided.

Next, a description will be given of the medium recovery apparatus A according to the present embodiment. A medium transport path 11 from the printing unit 1 to the medium issuing port 10 via the cutter 5 is provided. The medium transport path 11 has two guide plates 13 and 14 supported by a frame 12 and opposed vertically. The frame 12 has a pair of rollers 15, 1 driven by a feed motor (not shown) that is rotatable forward and backward.
6 is rotatably supported, and a transport belt 17 as a medium transport member is wound around these rollers 15 and 16. Further, a pinch roller 18 as a medium transport member pressed against the transport belt 17 at the outer peripheral portion of the roller 16 is rotatably supported on the frame 12, and the lower guide plate 14 is pressed against the transport belt 17. A transport plate 19 is supported.

Further, the recording medium S remaining in the medium issuing port 10
A medium recovery path 20 for recovering the medium is branched from the medium transport path 11 and provided. This medium recovery path 20 is a roller 1
6 is inclined obliquely downward toward the roller 15 side. A branch guide member 21 for guiding the recording medium S to the medium recovery path 20 is provided at a branch point between the medium transport path 11 and the medium recovery path 20.
Is provided. The branch guide member 21 includes a support shaft 22.
When the recording medium S is conveyed from the printing section 1 on the left side to the medium issuing port 10 on the right side by rotating the conveyor belt 17 in the normal direction, the thrust of the recording medium S is To allow the transport of the recording medium S to the medium issuing port 10 by retreating upward,
When the transport belt 17 is reversed to collect the recording medium S, the free end side is inclined so as to guide the recording medium S to the medium collection path 20.

A pair of medium recovery rollers 23 and 24 are rotatably supported near the outlet of the medium recovery path 20. The lower medium recovery roller 23 is
Is connected to the feed motor via a one-way clutch (not shown) so as to rotate in the counterclockwise direction only when the feed motor described above is rotated in the reverse direction. The outer peripheral surface of the medium collection roller 23 is provided with a plurality of projections 23a that protrude in the radial direction on the side not in contact with the upper medium collection roller 24.

Further, the frame 12 supports a medium recovery storage 25 having an open upper surface by a support shaft 26 so as to be vertically rotatable. The frame 12 is provided with a locking mechanism (not shown) for locking the medium collection box 25 at the medium collection position as shown in FIG. This locking mechanism can release the locking by operation. When the locking is released, it is possible to rotate the medium recovery storage 25 around the support shaft 26 to the medium removal position below as shown in FIG.

In the present embodiment, the medium recovery storage 25
The recording medium S whose curl strength is equal to or less than a certain
And a U-shaped second medium recovery chamber 28 for guiding a recording medium S having a curl strength equal to or greater than a certain value in the same direction as the curl direction. And
A part of the bottom plate 29 of the medium collection box 25 is
It projects in an inverted V-shape toward the nip portion of 3,24. The projecting portions are provided in the first and second medium recovery chambers 27 and 28.
Function as a separator 30 for sorting the inlets of.

In such a configuration, when issuing a transaction statement or the like, necessary information is printed on the roll paper 4 by the thermal head 3 and the roll paper 4 is fed by a specified length and cut by the cutter 5. I do. Cut recording medium S
Is transported toward the medium issuing port 10 by rotating the transport belt 17 forward (the rotation direction is counterclockwise in FIG. 1). At this time, the medium collection roller 23 is not driven.

In the ATM, if the issued recording medium S remains in the medium issuing port 10 until a predetermined time, the ATM recognizes that the customer has forgotten to take the recording medium S, and shifts to an operation of collecting the recording medium S. That is, the transport belt 17 is driven to rotate in the reverse direction (the rotation direction is clockwise). At this time, the medium recovery roller 23 receives the rotation of the feed motor via the one-way clutch and rotates in the counterclockwise direction. As a result, the recording medium S is sandwiched and returned by the transport belt 17 and the pinch roller 18, guided to the medium recovery path 20 by the branch guide member 21, and is recovered by the medium recovery rollers 25 and 24.
Sent to

In this example, it is assumed that the roll paper 4 is wound clockwise in the roll paper supply section. Therefore, the recording medium S has a curl so that the upper surface on the side of the transport belt 17 expands upward. This curl acts so that the recording medium S can be more easily introduced from the medium issuing port 10 into the medium recovery path 20. At the beginning of use of the roll paper 4, since the winding diameter is large and the winding habit is weak, the recording medium S
Is the first medium recovery chamber 2 along the extension surface of the medium recovery path 20.
It is led to 7. When the remaining amount of the roll paper S in the roll paper supply unit decreases, the winding diameter also decreases, and the curl remaining on the recording medium S increases. In this case, the medium collection roller 23,
The recording medium S that has passed through 24 is naturally guided to the second medium recovery chamber 28 by warpage of the leading end. The recording medium S having a strong curl is conveyed with the upper surface bulging upward until it passes through the medium collection path 20.
When it is collected, the posture is inverted so that the concave surface faces upward.

Although the medium collecting rollers 23 and 24 are provided near the outlet of the medium collecting path 20, these medium collecting rollers 23 and 24 may be omitted. Also in this case, the recording medium S is transported by the transport belt 17 and the pinch roller 18 via the medium recovery path 20 to the first and second medium recovery chambers 27 and 2.
8 can be conveyed. As described above, since the recording medium S can be collected while the strength of the curl is equal to or more than a certain value or less than a certain value, it is possible to prevent the occurrence of a jam and to prevent the recording medium S from breaking or wrinkling. Can be prevented.

In this embodiment, since the medium recovery rollers 23 and 24 are provided, and a plurality of projections 23a are radially provided on the outer periphery of the medium recovery roller 23, the trailing edge of the recording medium S is Even after passing through the nip portions of the medium recovery rollers 23 and 24, the paper is sent out by the projections 23a, so that the outlet of the medium recovery path 20 can be quickly opened to smoothly pass the next recording medium S. Moreover, protrusion 2
3a is formed on the medium recovery roller 23 that is driven to rotate toward the inside of the second medium recovery chamber 28, so that the recording medium S having a strong curl is quickly fed into the second medium recovery chamber 28. be able to.

By operating the locking mechanism and rotating the medium collection box 25 to the lower medium pickup position as shown in FIG. 2, the recording medium S collected in the medium collection box 25 can be easily taken out. it can. In this case, since the recording medium S is classified into a medium having a strong curl and a medium having a weak curl, it is easy to rearrange the medium.

Next, a second embodiment of the present invention will be described with reference to FIGS. In the second embodiment and the other embodiments that follow, the same parts as those in the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted. FIG. 3 is a vertical sectional side view showing the medium collecting device, and FIG. 4 is a vertical sectional side view showing the medium collecting device in a state where the medium collecting box is opened.

The medium collecting box 31 of the medium collecting apparatus B according to the present embodiment is rotatably supported by the frame 12 by a support shaft 32, and a space is formed between the medium collecting box 31 and the medium collecting path 20, as shown in FIG. It is pivotable to be formed. The medium collection box 31 is formed in a tray-like shape having an open top, and is, as in the above-described embodiment, moved to a medium collection position shown in FIG. 3 by a locking mechanism (not shown) provided on the frame 12. Locked. A medium guide sheet 33 formed of an elastically bendable material such as a polyester film is provided between the medium recovery storage 31 and the medium recovery path 20. One end of the medium guide sheet 33 is fixed to the protruding piece 34 on the free end side of the medium recovery storage 31, the other end is supported at a fixed position on the guide plate 14, and the intermediate portion is the medium recovery path 20.
Is curved in an arc shape so as to guide the recording medium S conveyed along with the curl in the same direction as the curl direction (toward the protruding piece 34). Also in the present embodiment, the recording medium S
Is a direction in which the upper surface swells upward on the medium transport path 11.

In such a configuration, when the recording medium S is collected, the recording medium S is sandwiched and returned by the transport belt 17 and the pinch roller 18, guided to the medium collection path 20 by the branch guide member 21, and collected. The rollers 23 and 24 feed the medium to the medium collection box 31. The recording medium S is conveyed in a posture in which the upper surface bulges upward until the recording medium S comes into contact with the medium guide sheet 33. However, regardless of the strength of the curl, the curved intermediate portion of the medium guide sheet 33 causes the same direction as the curl direction. It is guided while being curved in the direction, and is collected on the medium guide sheet 33 in a posture inverted so that the concave surface faces upward.

When the locking mechanism is disengaged and the medium collection box 31 is rotated to the medium take-out position about the support shaft 32 as shown in FIG. 4, the medium collection box 31 separates from the medium collection path 20. Since the medium guide sheet 33 is pulled downward by this movement, the intermediate portion is separated from the bottom of the medium recovery storage 31 and
The recording medium S is floated from the bottom of the medium collection box 31. Therefore, it is easy to take out the recording medium S from the medium collection box 31.

In the present embodiment, the medium collecting rollers 23 and 24 are provided, but may be omitted. In this case, the recording medium S can be collected in the medium collection box 31 by the transport belt 17 and the pinch roller 18.

Next, a third embodiment of the present invention will be described with reference to FIGS. FIG. 5 is a vertical sectional side view of the medium collecting device C in a recording medium collecting process, and FIG. 6 is a vertical sectional side view of the medium collecting device C when collecting the recording medium.

In the present embodiment, the medium collection box 35
A curved guide surface 36 that is curved in an arc shape so as to guide the recording medium S conveyed along the medium collection path 20 while curving the recording medium S in the same direction as the curl direction, and toward the inner surface of the curved recording medium S. And the recording medium S
And a contact portion 38 for contacting the edge on the front end side in the collection direction. The length of the arc from the nip portion of the medium recovery rollers 23 and 24 to the contact portion 38 on the curve where the recording medium S is curved in an arc by the curved guide surface 36 is shorter than the length of the recording medium S. Stipulated.

Further, the recording medium S is retracted from the collection path of the recording medium S by the thrust of the recording medium S nipped and conveyed by the medium collection rollers 23 and 24, and the recording medium S is removed.
A medium flip-up member 39 is provided to advance into the recovery path when released from the medium 24. The medium flip-up member 39 has a protrusion 40 protruding in the vicinity of the collection rollers 23 and 24 and a weight 41 located at the opposite end, and is supported rotatably by a support shaft 42. Have been. The medium flip-up member 39 is normally maintained in a horizontal state by the balance between the protruding portion 40 and the weight 41 as shown in FIG.

Also in the present embodiment, the direction of the curl of the recording medium S is a direction in which the upper surface of the recording medium S expands upward on the medium conveyance path 11.

In such a configuration, when the recording medium S is collected, the recording medium S is sandwiched and returned by the transport belt 17 and the pinch roller 18, guided to the medium collection path 20 by the branch guide member 21, and collected. The sheet is sent toward the medium collection box 35 by the rollers 23 and 24. The recording medium S is conveyed with its upper surface bulging upward until it comes into contact with the curved guide surface 36, but the recording medium S is guided by the curved guide surface 36 while being curved in the same direction as the curl direction regardless of the strength of the curl. Then, the recording medium is collected in the medium collection box 35 in an inverted posture such that the concave surface faces upward. In this case, the recording medium S having a strong curl tends to curl with a radius smaller than the radius of the curved guide surface 36, but the movement is prevented by the medium pressing portion 37.

Further, in the present embodiment, the arc length from the nip portion of the medium recovery rollers 23 and 24 to the contact portion 38 on the curve where the recording medium S is curved in an arc by the curved guide surface 36 is Since the length of the recording medium S is set to be shorter than the length of the recording medium S, the opposite edge of the recording medium S before the edge of the recording medium S comes into contact with the abutting portion 38 is set to the medium collecting roller 23.
Since the recording medium S is released from the nip portion of the recording medium S, the recording medium S rebounds from the nip portion of the medium collection rollers 23 and 24 toward the curved guide surface 36 side due to its own stiffness, and the next recording medium is collected. Open collection path for

When the medium collecting rollers 23 and 24 near the leading end of the medium collecting path 20 are omitted, the recording medium S can be collected by the transport belt 17 and the pinch roller 18 which are rotated in the reverse direction. In this case, the medium recovery path 2 on a curve in which the recording medium S is curved in an arc by the curved guide surface 36.
By defining the length of the arc from the leading end of the recording medium S to the contact portion 38 to be shorter than the length of the recording medium S, the recording medium S
By the time the edge in the recovery direction contacts the abutting portion 38, the opposite edge is released from the medium recovery path 20, so that the recording medium S rebounds due to its own stiffness, and the recording medium S rebounds. From the leading end of the recording medium toward the curved guide surface 36 side, and the collection path is opened for collecting the next recording medium.

Further, in the present embodiment, the medium collection path 2
The medium jumping member 39 is provided in the vicinity of the outlet of the recording medium S by the thrust of the recording medium S nipped and conveyed by the medium collecting rollers 23 and 24, as shown in FIG. Since the recording medium S is retracted from the collection path of the recording medium S and advances into the collection path when the recording medium S is released from the medium collection rollers 23 and 24, as shown in FIG. The edge opposite to the edge in the collection direction can be separated toward the curved guide surface 36 side. Thereby, the collection path can be opened for collecting the next recording medium S. Therefore,
Also in this regard, the occurrence of jam can be more effectively prevented, and the recording medium S can be prevented from being broken or wrinkled.

The medium collection box 35 in the present embodiment is
Since the guide plate 14 or the like can be displaced or removed as a support member, the collected recording medium S can be easily taken out.

Next, with reference to FIG. 7, a description will be given of a modification of the medium collection box 35 in the third embodiment. Since the function of the medium recovery storage 35 of this modification is the same as that shown in FIGS. 5 and 6, the same reference numerals are used for the description. FIG.
The medium collection box 35 of the first embodiment is configured such that the medium pressing portion 37 is made to protrude largely without forming a curved surface, so that the recording medium S having a strong curl tends to curl with a radius smaller than the radius of the curved guide surface 36 more effectively. It is a shape that can be pressed.

[0048]

According to the first aspect of the present invention, the medium recovery storage includes a first medium recovery chamber for guiding a recording medium having a curl strength equal to or less than a predetermined value along an extended surface of the medium recovery path; Since the strength of the curl is provided separately from the second medium collection chamber for guiding the recording medium having a certain degree or more in the same direction as the direction of the curl,
Upon collection of the recording medium, the recording medium having a weak curl can be guided to the first medium collection chamber, and the recording medium having a strong curl can be guided to the second medium collection chamber. It is possible to prevent the recording medium from breaking or wrinkling.

According to the second aspect of the present invention, the medium collection box is supported so as to be displaceable in a direction approaching and separating from the medium collection path, and one end is provided between the medium collection path and the medium collection box. The other end is fixed to a part of the medium collection box, the other end is supported at a fixed position, and the middle part is curved in an arc shape so as to guide the recording medium conveyed along the medium collection path in the same direction as the curl direction. Since the recording medium is provided with a medium guide sheet that can be elastically bent, the recording medium is bent in the same direction as the curl direction by the medium guide sheet regardless of the strength of the curl when collecting the recording medium. Thus, the recording medium can be collected orderly, and therefore, it is possible to prevent the occurrence of a jam and prevent the recording medium from being broken or wrinkled.
Further, when the medium collection box is displaced in a direction away from the medium collection path, the recording medium can be lifted from the bottom of the medium collection box at the intermediate portion because the medium guide sheet is pulled, and therefore, the medium collection box is displaced. It is possible to easily take out the recording medium from the printer.

According to the third aspect of the present invention, the medium collection box is curved in an arc shape so as to guide the recording medium conveyed along the medium collection path while curving the recording medium in the same direction as the curl direction. Since the recording medium has a curved guide surface and a medium pressing portion that bulges toward the inner surface of the curved recording medium, the recording medium is curled by the curved guide surface regardless of the strength of the curl when recovering the recording medium. In this case, the recording medium having a strong curl tends to curl with a radius smaller than the radius of the curved guide surface, but the movement is prevented by the medium pressing portion, and the curling is performed. Regardless of the strength of the habit, the recording medium can be collected in an orderly manner. Therefore, it is possible to prevent the occurrence of a jam and prevent the recording medium from being broken or wrinkled.

According to a fourth aspect of the present invention, in the third aspect of the present invention, the medium recovery storage has an abutting portion for abutting an edge on the leading end side in the recovery direction of the recording medium. The length of the arc from the leading end of the medium recovery path to the contact portion on a curve curved in an arc shape by the curved guide surface is set to a length shorter than the length of the recording medium. Similarly to the invention, the recording medium can be collected while being curved between the curved guide surface and the medium pressing portion. In this case, the recording medium is reversed until the edge in the collection direction of the recording medium comes into contact with the contact portion. Since the side edge is released from the medium recovery path, the recording medium jumps due to its own stiffness and separates from the leading end of the medium recovery path toward the curved guide surface. Therefore, the collection path can be opened for collecting the next recording medium.

According to a fifth aspect of the present invention, in the third aspect of the present invention, a pair of medium recovery rollers for nipping and transporting the recording medium toward the medium recovery storage near the outlet of the medium recovery path. Is provided, the medium recovery storage has an abutting portion that abuts an edge on the leading end side in the recovery direction of the recording medium, and the recording medium is curved on an arc by the curved guide surface. The length of the arc from the nip portion of the medium recovery roller to the contact portion is set to a length shorter than the length of the recording medium. It is collected while being curved between the guide surface and the medium pressing portion. In this case, since the edge on the opposite side is released from the nip portion of the medium collection roller before the edge in the collection direction of the recording medium abuts on the contact portion, the recording medium is rebounded by its own stiffness. From the nip portion of the medium collection roller toward the curved guide surface side. Therefore, the collection path can be opened for collecting the next recording medium.

According to a sixth aspect of the present invention, in the invention of any one of the third to fifth aspects, the recording medium is pinched and conveyed near the outlet of the medium collection path toward the medium collection storage. A medium recovery roller is provided, and the recording medium is retracted from the recovery path of the recording medium by the thrust of the recording medium nipped and transported by the medium recovery roller, and the medium jumps into the recovery path when the recording medium is released from the medium recovery roller. Since the lifting member is provided, the recording medium can be collected while being curved between the curved guide surface and the medium pressing portion, similarly to the invention according to any one of claims 3 to 5. However, the edge opposite to the edge of the recording medium in the recovery direction is jumped up by the jumping member and separated from the end of the medium collection path toward the curved guide surface, so that the next recording medium can be collected. Collection route for It can be release.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view showing a printing unit and a medium collecting device according to a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional side view showing the medium collecting device in a state where a medium collecting box is opened.

FIG. 3 is a longitudinal sectional side view showing a medium recovery device according to a second embodiment of the present invention.

FIG. 4 is a longitudinal sectional side view showing the medium collection device in a state where a medium collection storage is opened.

FIG. 5 shows a third embodiment of the present invention, and is a longitudinal sectional side view of a medium collection device in a recording medium collection process.

FIG. 6 is a vertical cross-sectional side view of the medium collection device when collecting a recording medium.

FIG. 7 is a vertical sectional side view showing a modified example of the medium recovery storage.

FIG. 8 is a vertical sectional side view showing an example of a conventional medium recovery device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Printing part 4 Roll paper 5 Cutter 10 Medium issuing port 11 Medium conveyance path 17, 18 Medium conveyance member 20 Medium collection path 21 Branch guide member 23, 24 Medium collection roller 25 Medium collection box 27 First medium collection chamber 28 Second Medium collection chamber 31 Medium collection box 33 Medium guide sheet 35 Medium collection box 36 Curved guide surface 37 Medium pressing section 38 Contact section 39 Medium jumping member A to C Medium collection device S Recording medium

Continued on the front page (72) Inventor Takeshi Okui 6-78, Minamimachi, Mishima-shi, Shizuoka F-term in the Mishima Plant of Toshiba Tec Corporation 3E040 BA07 FK02 FL01 3F053 EA06 EC02 EC06 EC07 ED17 LA08 LB04 3F054 AA01 AC05 BA13 BF03 BF07

Claims (6)

[Claims] A medium transport path from a printing unit for printing information on roll paper to a medium issuing port for issuing the recording medium via a cutter for cutting the roll paper into recording medium units of a designated length; A medium transport member provided so as to be able to be driven forward and reverse to transport the recording medium along the medium transport path; a medium recovery path branched from the medium transport path; and a medium recovery connected to the medium recovery path. And a branch guide member provided at a branch point between the medium transport path and the medium recovery path and guiding the recording medium to the recording medium recovery path, wherein the medium recovery storage has a strength of curl. And a first medium recovery chamber for guiding the recording medium having a certain degree or less along the extended surface of the medium recovery path, and guiding the recording medium having a certain degree of curl in the same direction as the direction of the curl. Separated from the second medium recovery chamber Medium recovery apparatus according to claim and. 2. A medium transport path from a printing unit that prints information on roll paper to a medium issuing port that issues the recording medium via a cutter that cuts the roll paper into units of a recording medium having a specified length. A medium transport member provided so as to be able to be driven forward and reverse to transport the recording medium along the medium transport path; a medium recovery path branched from the medium transport path; and a medium recovery connected to the medium recovery path. And a branch guide member provided at a branch point between the medium transport path and the medium recovery path and guiding the recording medium to the medium recovery path,
The medium collection box is supported so as to be displaceable in a direction approaching and separating from the medium collection path, and one end of the medium collection box is provided between the medium collection path and the medium collection box. The recording medium conveyed along the medium recovery path is fixed to a part and the other end is supported at a fixed position, and the intermediate part is curved in an arc shape so as to guide the recording medium while curving in the same direction as the direction of the curl. A medium recovery device provided with a medium guide sheet that can be elastically bent. 3. A medium transport path from a printing unit that prints information on roll paper to a medium issuing port that issues the recording medium via a cutter that cuts the roll paper into recording medium units of a designated length. A medium transport member provided so as to be able to be driven forward and reverse to transport the recording medium along the medium transport path; a medium recovery path branched from the medium transport path; and a medium recovery connected to the medium recovery path. And a branch guide member provided at a branch point between the medium transport path and the medium recovery path and guiding the recording medium to the medium recovery path,
A curved guide surface curved in an arc so as to guide the recording medium conveyed along the medium collection path while curving the recording medium in the same direction as the curl direction, and a curved guide surface. And a medium pressing portion bulging toward the inner surface of the recording medium. 4. The medium recovery storage has a contact portion for abutting an end edge of the recording medium in a collection direction front end side, and the recording medium is curved on an arc by the curved guide surface. 4. The medium recovery apparatus according to claim 3, wherein the length of the arc from the tip of the medium recovery path to the contact portion is shorter than the length of the recording medium. 5. A pair of medium collection rollers for nipping and transporting the recording medium toward the medium collection box is provided near an exit of the medium collection path, and the medium collection box is provided in a collection direction of the recording medium. It has a contact part that makes the edge on the tip side contact,
The length of the arc from the nip portion of the medium collection roller to the contact portion on a curve where the recording medium is curved in an arc by the curved guide surface is set to a length shorter than the length of the recording medium. 4. The medium recovery device according to claim 3, wherein: 6. A pair of medium recovery rollers for nipping and transporting the recording medium toward the medium recovery storage is provided near an exit of the medium recovery path, and the recording medium nipped and transported by the medium recovery roller is provided. A medium jumping member that retreats from the collection path of the recording medium by the thrust force and that advances into the collection path when the recording medium is released from the medium collection roller. 3
6. The medium recovery device according to any one of claims 5 to 5.