TWI674234B - Media discharge device, recording device - Google Patents

Abstract

A media ejection device, comprising: a ejection mechanism that ejects media; a first media receiving tray that receives media ejected by the ejection mechanism; and a second media receiving tray that is disposed in a vertical direction relative to the first media. The receiving tray is further above to receive the media discharged by the above-mentioned discharge mechanism; and the second medium receiving tray may include at least an upstream portion of an upstream side end portion in the medium discharge direction, and the receiving mechanism may be moved in and out from the discharge mechanism toward the above-mentioned portion. The first media receiving tray is displaced between an in-out position of a medium discharged through a passage of the medium and a retreat position retracted from the above-mentioned passage.

Description

Media ejection device, recording device

The present invention relates to a medium ejection device that ejects a medium and a recording device including the same.

For recording devices such as printers, there may be a case where a sorting machine is installed for sorting the discharged paper. As a sorting machine, there is a paper conveying unit provided with a plurality of paper slots arranged in the up-down direction and receiving paper discharged from a recording device and sending the paper to an arbitrary paper slot. The paper is sorted to an arbitrary paper slot. The paper conveying section moves up and down, and the paper conveying section discharges the paper to an arbitrary paper slot. The paper slot is fixed and the paper conveying section is fixed. Patent Document 1 discloses an example of the latter type.

[Prior technical literature]

[Patent Literature]

[Patent Document 1] International Publication No. 2008/032482

As for the above-mentioned sorting machine, no matter which type, that is, the type in which the paper conveying section moves up and down and the type in which a plurality of paper slots move up and down, the device configuration becomes large-scale, which is easy As a result, the size and cost of the device increase.

In order to solve the above-mentioned problems, the media ejection device of the present invention is characterized by including: a ejection mechanism that ejects the media; a first media receiving tray that receives the ejected media; and a second media receiving tray that is disposed in a vertical direction more 1 The media receiving tray is further above to receive discharged media; and the second media receiving tray may include at least an upstream portion of an upstream side end portion in a media discharging direction, and the receiving portion may be traversed from the discharging mechanism toward the first portion. The media receiving tray is displaced between the entry and exit positions of the media that are discharged through the path and the retreat positions that are retracted from the above path.

[Related cases incorporated for reference]

10‧‧‧Printer

12‧‧‧device body

14‧‧‧Image reading device

16‧‧‧Operation Department

18‧‧‧ media ejection device

20‧‧‧Media Containment Department

22‧‧‧Media Transfer Path

24‧‧‧1st feed roller

26‧‧‧Feeding roller pair

28‧‧‧The first conveying roller

30‧‧‧The second conveying roller

32a‧‧‧ driven roller

32b‧‧‧ driven roller

32c‧‧‧ driven roller

32d‧‧‧ driven roller

34‧‧‧ transporting roller pair

36‧‧‧ Bracket

38‧‧‧Recording head

40‧‧‧Discharge roller pair

42‧‧‧1st media receiving tray

42a‧‧‧Media support

44‧‧‧ 2nd media receiving tray

44a‧‧‧upstream side

44b‧‧‧ downstream side

44c‧‧‧Frame

44d‧‧‧restricted wall

44e‧‧‧ upstream media support

44f‧‧‧Notch

44g‧‧‧ downstream media support

44h‧‧‧Guide

44j‧‧‧Guide

44k‧‧‧ sidewall

46‧‧‧Drive shaft

48‧‧‧Drive motor

50‧‧‧ driving force transmission mechanism

52‧‧‧Drive gear

54‧‧‧ Rack

56‧‧‧rotation axis

58‧‧‧rotation axis

60‧‧‧Detection lever

62‧‧‧The first guide slot

64‧‧‧ 2nd guide slot

64a‧‧‧Support Department

64b‧‧‧angle change department

64c‧‧‧Advance and Retreat Department

66‧‧‧Guide Pin

68‧‧‧Media ejection device

70‧‧‧1st media receiving tray

72‧‧‧ 2nd media receiving tray

72-1‧‧‧ symbols

74‧‧‧ 2nd media receiving tray

76‧‧‧Discharge roller pair

76a‧‧‧Drive roller

76b‧‧‧ driven roller

78‧‧‧ media ejection device

80‧‧‧1st media receiving tray

82‧‧‧ 2nd media receiving tray

84‧‧‧ 2nd media receiving tray

86‧‧‧Driven roller driving mechanism

88‧‧‧Drive motor

90A‧‧‧Gear

90B‧‧‧Gear

90C‧‧‧Gear

92‧‧‧ rocking arm

95‧‧‧Pressing member

95_1‧‧‧ symbol

95_2‧‧‧ symbol

96‧‧‧Door components

96_1‧‧‧ symbol

96_2‧‧‧ symbol

A1 ~ A11‧‧‧Arrow

N1 ~ N4‧‧‧Clamping position

P‧‧‧Media

Pr‧‧‧ Bending

Pt‧‧‧Media Bundle

P-1 ~ P-9‧‧‧ exhaust path of media P

S1 ~ S4‧‧‧tangent

X‧‧‧ direction

Y‧‧‧ direction

Z‧‧‧ direction

θ1‧‧‧ tilt angle

θ2‧‧‧ tilt angle

FIG. 1 is an external perspective view of the printer of the first embodiment.

Fig. 2 is a side cross-sectional view showing a media conveyance path of the printer of the first embodiment.

3 is a side cross-sectional view showing a state in which a medium is discharged to a first medium receiving tray in the first embodiment.

FIG. 4 is a side cross-sectional view showing a state where the medium is discharged to the second medium receiving tray in the first embodiment.

FIG. 5 is a perspective view showing a state of a second media receiving tray in a retracted position.

FIG. 6 is a perspective view showing a state of the second media receiving tray in the entry / exit position.

FIG. 7 is a side sectional view showing a retracted position of the second medium receiving tray.

FIG. 8 is a side cross-sectional view showing a state where the second media receiving tray is switched from the retracted position to the retracted position.

FIG. 9 is a side cross-sectional view showing a second media receiving tray in and out position.

Fig. 10 is a side cross-sectional view showing the relationship between the second medium receiving tray and the pair of discharge rollers at the entry and exit positions.

11 is a side cross-sectional view showing a discharge state to a first medium receiving tray according to the second embodiment;

Fig. 12 is a side cross-sectional view showing a discharge state to a second medium receiving tray of the second embodiment;

FIG. 13 is a side cross-sectional view showing a discharge state to a third medium receiving tray according to the second embodiment;

FIG. 14 is a side sectional view showing a discharge state to the first medium receiving tray of the third embodiment;

FIG. 15 is a side cross-sectional view showing a discharge state to a second medium receiving tray according to the third embodiment;

FIG. 16 is a side cross-sectional view showing a discharge state to a third medium receiving tray according to the third embodiment;

FIG. 17 is a side cross-sectional view showing a medium conveyance path of the arrangement of the detection lever.

FIG. 18 is a side cross-sectional view of a medium conveyance path when a pressing member is provided.

FIG. 19 is a side cross-sectional view of a media conveyance path when a door is provided.

Hereinafter, the present invention will be briefly described.

The first aspect of the media ejection device includes a ejection mechanism that ejects the media, a first media receiving tray that receives the media ejected by the ejection mechanism, and a second media receiving tray. The tray is disposed above the first medium receiving tray in a vertical direction and receives the medium discharged by the discharging mechanism; and the second medium receiving tray can include at least an upstream portion of an upstream side end in the medium discharging direction. And shifting between an in-out position of a medium received from the above-mentioned ejection mechanism through the passage path of the medium toward the first medium receiving tray, and a retreat position retracted from the above-mentioned passage path.

According to this aspect, in the configuration including the first media receiving tray and the second media receiving tray, the discharge end of the switchable medium can be displaced by at least the upstream portion of the second media receiving tray, that is, it is not necessary to adopt the first media receiving tray All the trays and the above-mentioned second media receiving tray are configured to move up and down, and since the above-mentioned discharge mechanism does not need to be used to move up and down, a media discharge device that can classify the discharged media can be more simply structured It is compact and inexpensive.

The second aspect is characterized in that, in the first aspect, the second medium receiving tray is provided with a downstream portion fixedly disposed on the downstream side of the medium discharge direction than the upstream portion capable of advancing and retreating.

According to this aspect, the second media receiving tray is configured to have a downstream portion that is fixedly disposed on the downstream side of the medium discharge direction than the upstream portion that can be advanced and retracted, that is, it is not necessary to displace the entire second media receiving tray, so that Avoid large-scale device construction.

The third aspect is characterized in that, in the second aspect, when the upstream portion of the second media receiving tray is located in the access position, the media support surface provided in the upstream portion and the media support surface provided in the downstream portion All are the same up to the media discharge direction relative to the horizontal plane Of tilt.

According to this aspect, when the upstream portion of the second media receiving tray is located in the in and out position, the media support surface provided by the upstream portion and the media support surface provided by the downstream portion are the same for the horizontally upward media discharge direction. It is inclined so that the discharged medium can be appropriately loaded in a natural shape.

The fourth aspect is characterized in that, in any one of the first to third aspects, the above-mentioned discharge mechanism is constituted by a pair of discharge rollers that discharge the medium, and the upstream portion of the second medium receiving tray is located at the above-mentioned position. When entering and exiting the position, the upstream portion intersects the tangent line of the nip position of the above-mentioned discharge roller pair.

According to this aspect, the ejection mechanism is constituted by a pair of ejection rollers ejected while holding the medium, and when the upstream portion of the second medium receiving tray is located at the entry / exit position, since the upstream portion and the clamping position of the ejection roller pair are between The tangent lines intersect, so that the medium discharged from the pair of discharge rollers can be more surely placed on the second medium receiving tray.

The fifth aspect is characterized in that, in any one of the first to third aspects, the above-mentioned discharge mechanism is constituted by a pair of discharge rollers that discharge the medium, and the upstream portion of the second medium receiving tray is located at the above-mentioned position. In the entry / exit position, the upstream-side end portion is located on the lower side in the vertical direction than the clamping position of the discharge roller pair.

According to this aspect, the above-mentioned discharge mechanism is constituted by a pair of discharge rollers that discharges by holding the medium, and When the upstream portion of the second media receiving tray is located at the entry / exit position, the upstream side end portion is located lower than the clamping position of the discharge roller pair in the vertical direction, so that it can be more surely moved from the discharge roller. The discharged medium is placed on the second medium receiving tray.

The sixth aspect is characterized in that, in any of the first to fifth aspects, the position of the upstream side end portion of the upstream portion in the medium discharge direction is when the upstream portion is located in the in and out position It is closer to the upstream side of the medium discharge direction than the case where it is located in the above-mentioned retreat position.

According to this aspect, the position of the upstream side end portion of the upstream portion in the medium discharge direction is closer to the upstream side of the medium discharge direction when the upstream portion is located in the in and out position than in the retracted position, so the discharge can be made The media is more surely placed.

The seventh aspect is characterized in that, in any one of the first to sixth aspects, the media support surface provided in the upstream portion of the second media receiving tray is inclined upward with respect to the horizontal toward the media discharge direction. The surface is formed, and the inclination angle of the inclined surface with respect to the horizontal is larger in a case where the upstream portion is located in the in-out position than in a case where the upstream portion is located at the retreat position.

According to this aspect, the media support surface provided in the upstream portion of the second media receiving tray is formed as an inclined surface that faces upward toward the media discharge direction horizontally, and the inclination angle of the horizontal inclined surface is located in the inlet and outlet at the upstream portion. The situation of the position is greater than that of the above-mentioned retreat position, so when the above-mentioned upstream part is located in the above-mentioned retreat position, it is possible to ensure that the space below the above-mentioned upstream part is wider, and it can suppress the above-mentioned upstream part from hindering the media from blocking 1 ejection of the media receiving tray.

The eighth aspect is characterized in that, in any one of the first to seventh aspects, when the upstream portion of the second media receiving tray is located in the in and out position, the media support provided in the second media receiving tray is The surface and the media support surface provided in the first media receiving tray are inclined at the same direction upward in the media discharge direction.

According to this aspect, when the upstream portion of the second media receiving tray is located in the in and out position, the media supporting surface provided in the second media receiving tray and the media supporting surface provided in the first media receiving tray are all discharged toward the media. With the same inclined configuration in the upward direction, the effect of any one of the first to seventh aspects described above can be obtained.

The ninth aspect is characterized in that, in any one of the first to eighth aspects, the upstream side end portion of the second medium receiving tray is provided with an upstream side end position that restricts the discharged medium. Restriction wall.

According to this aspect, since a restricting wall for restricting the position of the upstream side end of the discharged medium is provided on the upstream side end portion of the second medium receiving tray, it is possible to suppress the media from falling off from the second medium receiving tray.

A tenth aspect is characterized in that, in any one of the first to ninth aspects, a plurality of the second media receiving trays are provided.

According to this aspect, in a configuration having a plurality of the second media receiving trays described above, it is possible to obtain the effects of any of the first to tenth aspects described above.

The eleventh aspect is characterized in that, in any one of the first to seventh, ninth, and tenth aspects, when the passing path is viewed from the side, the first medium receiving tray and the second medium receiving tray face out. It is arranged radially toward the downstream side.

According to this aspect, since the first media receiving tray and the second media receiving tray are arranged radially toward the downstream side in the discharge direction, the first medium receiving tray and the second medium receiving tray are arranged side by side, so that it is possible to save the space for the first The space of the media receiving tray and the above-mentioned second media receiving tray can contribute to miniaturization of the device.

The twelfth aspect of the media ejection device includes: a ejection mechanism that ejects the media; a first media receiving tray that receives the media ejected by the ejection mechanism; and a second media receiving tray that is disposed in the vertical direction more than the above The first medium receiving tray is further above and receives the medium discharged by the discharge mechanism; and the discharge mechanism includes a first roller and a first roller that is movably disposed around the first roller and sandwiches the medium between the first roller and the first roller. 2 rollers, and the second roller is displaced around the first roller to switch the discharge end of the medium to any one of the first medium receiving tray and the second medium receiving tray.

When the second roll is displaced around the first roll, the discharge direction of the medium from the first roll and the second roll changes. According to this aspect, since the ejection end of the medium is switched to one of the first medium receiving tray and the second medium receiving tray by using this property, it can be simpler compared with the structure that the entire ejection mechanism is up and down. With this structure, the medium ejection device capable of classifying the ejected media in a small size and at a low cost is constructed.

The recording device of the thirteenth aspect is characterized by including: a recording mechanism for recording on the medium; and the above-mentioned media ejection device of any of the first to twelfth aspects for ejecting the media recorded by the recording mechanism. .

According to this aspect, the same effects as those of any of the first to twelfth aspects described above can be obtained in the recording device.

Hereinafter, embodiments will be described based on the drawings. It should be noted that the same reference numerals are given to the same components in each of the embodiments, and only the first embodiment will be described, and the description of the structure will be omitted in the following embodiments.

1 is an external perspective view of the printer of the first embodiment, FIG. 2 is a side cross-sectional view showing a media conveying path of the printer of the first embodiment, and FIG. 3 is a view showing the discharge of the medium to the first embodiment in the first embodiment Side sectional view of the state of the media receiving tray.

Fig. 4 is a side sectional view showing a state in which the medium is discharged to the second medium receiving tray in the first embodiment, Fig. 5 is a perspective view showing a state of the second medium receiving tray in a retracted position, and Fig. 6 is a second view showing the second position of the entering and exiting positions. A perspective view of the state of the media receiving tray.

Fig. 7 is a side sectional view showing the retracted position of the second media receiving tray, Fig. 8 is a side sectional view showing the state where the second media receiving tray is switched from the retracted position to the in and out position, and Fig. 9 is a view showing the in and out position of the second media receiving tray FIG. 10 is a side cross-sectional view showing the relationship between the second medium receiving tray and the discharge roller pair at the entry and exit positions.

FIG. 11 is a side cross-sectional view showing the discharge state to the first medium receiving tray of the second embodiment, FIG. 12 is a side cross-sectional view showing the discharge state to the second medium receiving tray of the second embodiment, and FIG. 13 is a view showing the second state A side sectional view of the embodiment in a discharged state to a third medium receiving tray.

FIG. 14 is a side sectional view showing a discharge state to a first media receiving tray of the third embodiment, FIG. 15 is a side sectional view showing a discharge state to a second media receiving tray of the third embodiment, and FIG. 16 is a view showing a third A side sectional view of the embodiment in a discharged state to a third medium receiving tray.

In the XYZ coordinate system shown in each figure, the X direction represents the width direction of the recording medium, that is, the device width direction, and the Y direction is the transport direction of the recording medium on the transport path in the recording device, that is, the depth direction of the device, Z The direction indicates the device height direction.

In this embodiment, the X-Y plane is a horizontal plane. The X-Z plane and the Y-Z plane are vertical planes.

<<< First Embodiment >>>

<<< Overview of Printer >>>

In FIG. 1, a printer 10 serving as a “recording device” is configured as a multifunction printer including a device body 12 and an image reading device 14. In addition, as an example of the recording device, the printer 10 is described using an inkjet printer, but it may be a recording device such as a laser printer. The image reading device 14 includes a scanner, a facsimile machine (FAX), and the like.

An operation portion 16 is provided on the + Y direction side of the device body 12. The operation unit 16 includes a power button, a print setting button, a display panel, and the like for operating the printer 10. A medium ejection device 18 is provided on the −Z direction side of the operation portion 16 in the + Y direction side of the device body 12. The media ejection device 18 will be described later.

A media storage unit 20 is provided on the -Z direction side of the media ejection device 18 in the device body 12. The media storage section 20 can store a plurality of media in its interior, and is configured to be insertable and removable from the + Y direction side of the device body 12.

<<< About media delivery route >>>

The media conveyance path 22 of the media P of the printer 10 is described in FIG. 2. A plurality of media P are stored in the media storage unit 20. In addition, as an example, the media in this embodiment refers to media having different sizes such as A4 size or B5 size paper, photo paper, and postcard. In addition, the two-dot chain line marked with the symbol P-1 in FIG. 2 indicates the path of the media P transported along the media transport path 22.

A first feeding roller 24 is provided on the + Z direction side of the media housing section 20 and is driven to rotate by a driving source (not shown). In addition, when the first feeding roller 24 feeds the media P accommodated in the media accommodation section 20 to the downstream side of the conveyance path, the first feed roller 24 contacts and rotates with the highest-ranking person of the media accommodated in the media accommodation section 20 to rotate the highest-level medium. It is sent out from the media containing section 20 to the downstream side in the feeding direction. On the downstream side of the first feeding roller 24, a feeding roller pair 26 is provided.

A first conveying roller 28 and a second conveying roller 30 are provided on the downstream side in the feeding direction of the feeding roller pair 26. Around the first conveying roller 28 and the second conveying roller 30, a plurality of driven rollers 32a, 32b, 32c, 32d is provided so that the 1st conveyance roller 28 and the 2nd conveyance roller 30 may be driven to rotate. Further, a pair of transfer rollers 34 are provided downstream of the first transfer roller 28 and the second transfer roller 30 in the transfer direction.

A bracket 36 is provided on the downstream side in the conveying direction of the conveying roller pair 34. The bracket 36 is configured to be reciprocally movable in a device width direction by a driving mechanism (not shown). A recording head 38 serving as a "recording mechanism" is provided below the carriage 36. The recording head 38 is configured such that a plurality of nozzles are provided on a lower surface thereof and can eject ink toward the medium P. A discharge roller pair 40 serving as a "discharge mechanism" is provided on the downstream side in the conveyance direction of the bracket 36.

The medium P sent from the media storage unit 20 by the first feed roller 24 is transferred to the area facing the recording head 38 via the first transfer roller 28, the second transfer roller 30, and the transfer roller pair 34. Then, after the recording is performed by the recording head 38, the medium P is discharged to the front side of the apparatus by the discharge roller pair 40.

<<< About media ejection device >>>

Referring to FIGS. 3 and 4, the media discharge device 18 will be summarized. In this embodiment, the medium discharge device 18 includes a pair of discharge rollers 40, a first medium receiving tray 42, and a second medium receiving tray 44. In this embodiment, the first medium receiving tray 42 protrudes from the + Y direction side end portion of the printer 10 toward the + Y direction side as shown in FIG. 1. The first medium receiving tray 42 is configured to gradually tilt (upward) in the + Z direction as it goes toward the + Y direction side. The first media receiving tray 42 includes a media support surface 42a. The first media receiving tray 42 is arranged to be inclined at an appropriate angle with respect to the apparatus body 12 so that the media P discharged to the media support surface 42 a can be appropriately placed.

A second media receiving tray 44 is provided on the + Z direction side of the first media receiving tray 42. A second medium receiving tray 44 is provided above the first medium receiving tray 42 in the vertical direction. The so-called "second media receiving tray 44 is provided above the first media receiving tray 42 in the vertical direction" focuses only on the positional relationship in the vertical direction, and is not specifically limited to the first media receiving tray. The tray 42 has a configuration in which the second media receiving tray 44 is disposed directly above, and includes various forms in which the second media receiving tray 44 is not positioned directly above the first media receiving tray 42. That is, it means that the positional relationship in the Y direction and the positional relationship in the X direction of the first medium receiving tray 42 and the second medium receiving tray 44 are not limited.

In this embodiment, the first medium receiving tray 42 is fixed to the medium discharge device 18. The term "fixed" in this embodiment means that the first medium receiving tray 42 does not move up and down like a sorter when the medium P is discharged. In this embodiment, the first medium receiving tray 42 may be configured to be detachable to the medium discharge device 18 for assembly or replacement.

The two-dot chain line marked with the symbol P-2 in FIG. 3 indicates the discharge path of the medium P discharged to the first media receiving tray 42 by the discharge roller pair 40, and the two-dot chain line marked with the symbol P-3 in FIG. 4 indicates By the discharge path of the medium P discharged to the second medium receiving tray 44 by the discharge roller pair 40, a dot chain line marked with a symbol S1 in FIG. 3 and FIG. 4 indicates a tangent line to the clamping position N1 (FIG. 10) of the discharge roller pair 40. .

In this embodiment, the passage path (discharge path) of the medium P indicated by P-2 and P-3 in Figs. 3 and 4 is only an example. According to the rotation speed of the discharge roller pair 40 or the medium P The type and the state of ink applied to the media vary.

In the present embodiment, the second media receiving tray 44 is configured to pass through a passage (discharge path P-2) through which the medium P discharged from the discharge roller pair 40 toward the first medium receiving tray 42 can pass. Passage path (discharge path P-2), an entry / exit position for receiving discharged media P (FIG. 4), and a passage path of the media P discharged from the discharge roller pair 40 to the first media receiving tray 42 (discharge path P-2) Switch between the retreat position (Fig. 3).

<<< About the structure of the second media receiving tray >>>

The configuration of the second medium receiving tray 44 will be described with reference to FIGS. 5 to 10. The second media receiving tray 44 includes an upstream portion 44a as an "upstream portion" in the media conveying direction, a downstream portion 44b as a "downstream portion", and a pair of frames 44c. In this embodiment, the frames 44c are disposed on both sides of the second media receiving tray 44 in the X direction. The upstream part 44a is attached so that the attitude | position and position of the frame 44c can be changed (FIG. 5 and FIG. 6). The downstream side portion 44b is fixed to the frame 44c and is provided. In the present embodiment, "fixed" means a configuration that does not shift the downstream portion 44b when the medium P is discharged. In addition, the "fixed" installation configuration in this embodiment also includes a configuration in which the downstream side portion 44b is detachable to the device body 12 for assembly or replacement.

A restriction wall 44d protruding in the + Z direction is provided at the -Y direction side end portion of the upstream side portion 44a, which is the "upstream side end portion". An upstream-side media support surface 44e for receiving the discharged medium P is formed at the upstream-side portion 44a. A notch portion 44f is provided at the + Y direction side end portion of the upstream portion 44a in the X direction center portion.

A downstream-side media support surface 44g is provided on the upper surface of the downstream-side portion 44b. A guide portion 44h protruding toward the -Y direction is formed at a position corresponding to the notch portion 44f of the upstream portion 44a at the -Y direction side end portion of the downstream portion 44b. The upper surface of the guide portion 44h is a guide surface 44j.

The drive shaft 46 extending in the X direction is rotatably attached to the pair of frames 44c. The + X-direction side end portion of the driving shaft 46 is connected to a driving force transmission mechanism 50 that transmits a driving force of the driving motor 48. In this embodiment, as an example, the driving force transmission mechanism 50 is composed of a plurality of gears (not shown), and is configured to transmit the driving force of the driving motor 48 to the driving shaft 46. In the drive motor 48, as an example, the rotation direction that moves the upstream portion 44a from the retreat position to the entry and exit position is set to the forward rotation direction, and the rotation direction that moves the upstream portion 44a from the entry and exit position to the retreat position is set To reverse the direction.

In the present embodiment, a space is provided in the X direction, and a pair of driving gears 52 are fixed to the driving shaft 46 so as to rotate together with the driving shaft 46. Each drive gear 52 meshes with the rack 54. In this embodiment, the drive gear 52 and the rack 54 constitute a rack and pinion mechanism.

A pair of side walls 44k extending in the + Z direction side are formed on both side portions in the X direction of the upstream side portion 44a of the second medium receiving tray 44. A rotation shaft 56 extending in the X direction is attached to the pair of side walls 44k. In this embodiment, a part of the rotation shaft 56 is held inside the rack 54.

A rotation shaft 58 extending in the X direction is rotatably attached to the pair of frames 44c. In this embodiment, a detection lever 60 is attached to a center portion in the X direction of the rotation shaft 58, specifically, a position corresponding to the guide surface 44 j of the guide portion 44 h in the X direction. The detection lever 60 comes into contact with the guide surface 44j when the medium P is not placed on the second medium receiving tray 44.

When the medium P is placed on the second medium receiving tray 44, the detection lever 60 corresponds to the placed medium. The thickness of the body P is rotated in a direction away from the guide surface 44j with the rotation axis 58 as a rotation fulcrum. When the set specific number of sheets is placed on the second medium receiving tray 44, the detection lever 60 rotates the specific amount. The rotation is detected by a detection sensor (not shown).

As a result, a detection sensor (not shown) detects that a set number of media P are placed on the second media receiving tray 44. In addition, a control unit (not shown) arranged in the printer 10 is based on detection information of a detection sensor (not shown), for example, a specific number of media P is placed in the second media receiving tray 44 to issue a second An alarm indicating that the stowage height of the media P on the media receiving tray 44 has reached the upper limit, or displaying information on the display panel of the operation section 16. When the amount of the media P on the second media receiving tray 44 reaches the upper limit, the control unit (not shown) temporarily suspends the print job or switches the discharge end of the media P to the first position when there is still a print job. Media receiving tray 42.

In addition, when the upstream side portion 44a is located at the entry / exit position, in this embodiment, although the inclination of the upstream side media support surface 44e upstream of the upstream side portion 44a is the same as that of the downstream side media support surface 44g of the downstream portion 44b, When the upstream-side portion 44a is located at the retreat position, the inclination of the upstream-side media support surface 44e is slower than that of the downstream-side media support surface 44g. Therefore, as shown in FIG. 17, a bent portion Pr is formed on the accumulated medium beam Pt. When the detection lever 60 is located at the position abutting on the curved portion Pr, the stowage height of the media beam Pt may not be accurately detected. However, since the detection lever 60 is disposed at a position avoiding the curved portion Pr, it can be accurately detected The stowage height of the outgoing media beam Pt.

Further, in order to accurately detect the stowage height of the media beam Pt, a pressing member 95 capable of pressing the media beam Pt may be provided as shown in FIG. 18. The pressing member 95 is provided to be driven by a drive (not shown). The position where the moving mechanism presses the media beam Pt (symbol 95_1) and the position retracted from the media beam Pt (symbol 95_2) are displaced. By pressing the media beam Pt by such a pressing member 95, the stowage height of the media beam Pt by the detection lever 60 can be accurately detected.

In particular, in the case of inkjet recording, the media P absorbs ink and swells. Since an air layer can be left between the media of the media beam Pt, there is a possibility that the stowage height of the media beam Pt cannot be detected correctly. By providing the pressing member 95 as described above, the stowage height of the media beam Pt can be accurately detected.

In addition, since the swelling of ink absorbed by the medium P eases with time, the pressing member 95 may not be provided, and the detection height of the detection height of the detection lever 60 may be performed after a specific time elapses after the medium P is discharged.

Although not shown, a detection sensor may be provided on the first medium receiving tray 42. When a specific number of media P are placed on the first media receiving tray 42, the detection state of the detection sensor provided on the first media receiving tray 42 changes. Thereby, it is detected that a specific number of media P are placed on the first media receiving tray 42, and the media ejection operation to the second media receiving tray 44 is restricted. Specifically, the switching operation of the upstream-side portion 44a from the retreat position to the entry / exit position is restricted. This can prevent the upstream portion 44a from interfering with the medium P placed on the first medium receiving tray 42 when the upstream portion 44a is switched from the retreat position to the entry / exit position.

As shown in FIGS. 7 to 9, a pair of frames 44 c are provided with a first guide groove 62 and a second guide groove 64. The first guide groove 62 is formed as a downwardly inclined groove that descends toward the −Y direction side. A rotation shaft 56 is inserted into the first guide groove 62. When the rack 54 is driven by the drive gear 52, the rotary shaft 56 moves in the first guide groove 62 in the first guide groove 62 in the Y direction.

A guide pin 66 is inserted into the second guide groove 64. The guide pin 66 is formed in a pair of side walls 44k of the second medium receiving tray 44 toward the outer side of the second medium receiving tray 44, specifically, the side walls 44k on the + X direction side protrude in the + X direction, and from -X The side wall 44k on the direction side protrudes in the -X direction.

The second guide groove 64 is extended in the Y direction as a whole. The second guide groove 64 includes a support portion 64a that supports the guide pin 66 in a state where the upstream portion 44a is located at the retracted position, and an angle changing portion 64b that extends from the support portion 64a toward the -Y direction side and the -Z direction side. To change the angle of the upstream portion 44a; and the advancing and retreating portion 64c, which extends from the angle changing portion 64b toward the -Y direction side and the -Z direction side. In this embodiment, the inclination angle toward the -Z direction side of the angle changing portion 64b is set to be steeper than the inclination angle of the advancing and retracting portion 64c.

Next, the switching between the retreat position and the entrance / exit position of the upstream portion 44a will be described with reference to FIGS. 7 to 9. FIG. 7 shows a state of the retreated position of the upstream portion 44a. In this state, the upstream-side media support surface 44e of the upstream-side portion 44a is inclined toward Y (horizontal plane) at an inclination angle θ1 toward the medium discharge direction (+ Y direction side) in the upward direction (+ Z direction). The rotary shaft 56 is located at the + Y-direction side end of the first guide groove 62, and the guide pin 66 is supported by the support portion 64a of the second guide groove 64.

In this state, the upstream side portion 44 a is located closer to the + Z direction than the tangent line S1 of the nip position N1 (FIG. 10) of the discharge roller pair 40. When the upstream side portion 44a is in the retreat position, the upstream side portion 44a does not block the forward direction of the medium P discharged by the discharge roller pair 40, so the discharged medium P It is discharged to the first medium receiving tray 42.

Next, when the driving force (rotation in the forward direction) of the driving motor 48 is transmitted to the driving gear 52 via the driving force transmission mechanism 50, the rack 54 moves toward the −Y direction side as indicated by the arrow A1 shown in FIG. 8. As the rack 54 moves to the -Y direction side, the rotation shaft 56 also moves to the -Y direction side (see arrow A2) within the first guide groove 62.

When the rotary shaft 56 moves to the -Y direction side, the upstream portion 44a also moves to the -Y direction side. Therefore, the guide pin 66 provided on the side wall 44k of the upstream portion 44a also moves from the support portion 64a of the second guide groove 64 toward the −Y direction side, and moves along the angle changing portion 64b (see arrow A3). At this time, the guide pin 66 moves in the Z direction from the support portion 64a along the angle changing portion 64b in the -Z direction. As a result, the upstream portion 44a is rotated in the clockwise direction in FIG. 8 with the rotation shaft 56 as a rotation fulcrum (see arrow A4). That is, the restriction wall 44d of the upstream portion 44a is displaced toward the -Z direction side and intersects the tangent line S1.

Next, as shown in FIG. 9, when the rack 54 is further moved toward the -Y direction side (see arrow A5), the rotary shaft 56 is further moved toward the -Y direction side within the first guide groove 62 (see arrow A6). It is in the state of being located in the -Y direction side edge part of the 1st guide groove 62. In this state, the guide pin 66 moves through the angle changing portion 64b in the second guide groove 64 to the advancing and retreating portion 64c, and is located at the end portion in the -Y direction of the advancing and retracting portion 64c (see arrow A7). The position of the upstream side portion 44a shown in FIG. 9 is the entry / exit position of the upstream side portion 44a.

As a result, the upstream portion 44a moves further from the position in FIG. 8 to the −Y direction side, and becomes FIG. 9 State (see arrow A8). In this state, the upstream-side media support surface 44e of the upstream-side portion 44a is inclined toward the medium discharge direction (+ Y direction side) in the upward direction (+ Z direction) with respect to Y at an inclination angle θ2. In this embodiment, the inclination angle θ2 is set to an angle larger than the inclination angle θ1. Therefore, compared with the case where the upstream-side media support surface 44e is located in the entry-exit position, the case where it is located in the retracted position has a gentler inclined posture.

In this embodiment, by switching the upstream portion 44a from the inclination angle θ1 to an inclination angle θ2 larger than the inclination angle θ1, the upstream portion 44a can be moved at a shorter distance than the inclination angle θ1 is maintained. Switch from the retracted position to the in and out position.

As shown in FIG. 10, when the upstream side portion 44a is located in the in-out position, the restriction wall 44d of the -Y direction side end portion of the upstream side portion 44a is located at the clamping position N1 of the ejection roller pair 40 in the Z direction and the passing clamp The tangent line S1 of the holding position N1 is closer to the -Z direction side, that is, the restricting wall 44d constituting the upstream side end portion of the upstream side portion 44a is positioned lower than the holding position N1 in the vertical direction.

It should be noted that "the upstream side end portion (the restricting wall 44d in the present embodiment) of the upstream side portion 44a is located above and below the holding position N1 in the vertical direction" refers only to the positional relationship in the vertical direction. Specifically, as in this embodiment, the upstream end portion of the upstream side portion 44a includes the upstream side portion 44a in addition to the shape in which the clamping position N1 deviates in the Y direction but is located on the lower side in the vertical direction. The meaning of the various forms in which the upstream end portion is located directly below the clamping position N1 means that the positional relationship between the upstream end portion of the upstream portion 44a and the Y direction of the clamping position N1 is not limited. Therefore, as long as the upstream-side media support surface 44e is in a range where the medium P can be received, the relationship between the upstream-side end portion of the upstream-side portion 44a and the clamping position N1 in the X direction is not limited.

As described above, when the upstream side portion 44a is located at the entry / exit position, the upstream side portion 44a blocks the discharge path P-2 of the medium P (see also FIG. 3). Thereby, the medium P discharged from the discharge roller pair 40 comes into contact with the upstream-side media support surface 44e, and is guided to the + Y direction by the upstream-side media support surface 44e. In addition, the two-dot chain line marked with the symbol P-2 in FIG. 10 is a part of the discharge path P-2 of the medium P, and specifically, only the vicinity of the discharge roller pair 40 is illustrated.

In addition, as described above, the discharge path P-2 of FIGS. 3 and 10 changes according to the rotation speed of the discharge roller pair 40, the type of the medium P, the ink-to-media spraying condition, and the like. Therefore, it is preferable to determine the entry / exit position of the upstream side portion 44a in consideration of the discharge path P-2 when the media is most prominently dropped. For example, if the medium with the lowest rigidity among the types of media to be used is used to record the most significant wetness of the ink, and the discharge path P-2 at the time of the minimum speed is assumed to determine the entry / exit position of the upstream portion 44a, The media can be stacked on the second media receiving tray 44.

In addition, as in this embodiment, if the upstream side end portion of the upstream side portion 44 a is moved in and out to a position close to the pair of discharge rollers 40, the medium can be surely stacked on the second medium receiving tray 44.

Here, as shown in FIGS. 9 and 10, in the present embodiment, the inclination (inclination angle θ 2) of the upstream-side media support surface 44 e of the upstream-side portion 44 a at the entry-exit position is set downstream from the downstream-side portion 44 b. The media support surface 44g has the same slope. In addition, the so-called same inclination in the present embodiment is not limited to the same inclination angle, and media P can be transported from the upstream media support surface 44e to the downstream media support surface 44g without being carried by the -Y direction of the downstream portion 44b. Angular deviation to the extent that the ends are stuck and can proceed smoothly.

7 and 9, the position of the restriction wall 44 d of the upstream portion 44 a is the upstream portion 44 a. In the case of the entering and exiting position, it is located closer to the -Y direction in the Y direction than the case of being in the retracting position, that is, the restricting wall 44d is located closer to the ejection roller pair 40 in the entering and exiting position than the retracted position. The upstream-side media support surface 44e is closer to the discharge roller pair 40, so that the discharged media P can be surely placed on the upstream-side media support surface 44e.

As shown in FIG. 4, FIG. 6 and FIG. 10, in the present embodiment, a guide portion 44 h protruding toward the notch portion 44 f of the upstream portion 44 a is formed at the -Y direction side end portion of the downstream portion 44 b. In this embodiment, the guide surface 44j of the guide portion 44h is set to have the same inclination (inclination angle) as the downstream-side media support surface 44g. In addition, the inclination angle of the guide surface 44j and the inclination angle of the downstream-side media support surface 44g are not only completely the same, but also allow an angular deviation to the extent that the medium P can be smoothly conveyed.

In the present embodiment, when the medium P is discharged from the discharge roller pair 40 in a state where the upstream side portion 44a is located at the entry / exit position, the medium P is guided to the + Y direction side along the upstream-side upstream medium support surface 44e. Referring to FIG. 6, in a state where the upstream side portion 44 a is located at the entry / exit position, the guide portion 44 h of the downstream side portion 44 b is pulled out from the notch portion 44 f of the upstream side portion 44 a.

In this embodiment, the notch portion 44f of the upstream side portion 44a is configured to cut a portion of the upstream side media support surface 44e, so both sides of the notch portion 44f in the X direction also form the upstream side media support surface 44e. If the media P is guided to the + Y direction side along the upstream media support surface 44e and reaches the position of the notched portion 44f in the Y direction, the regions on both sides of the X direction of the notched portion 44f of the upstream media support surface 44e support the media P , While continuing to guide in the + Y direction.

When the medium P reaches the + Y-direction side portion of the upstream-side media support surface 44e, the widthwise (X-direction) center portion of the medium P contacts the guide surface 44j of the guide portion 44h of the downstream portion 44b. Thereafter, the medium P is guided in the + Y direction while being supported by the guide surface 44j. Furthermore, when the medium P is conveyed toward the + Y direction side, it is guided to the downstream-side media support surface 44g by the guide surface 44j.

As a result, the medium P discharged from the discharge roller pair 40 is supported by the second medium receiving tray 44. Specifically, the medium P is supported by the upstream side media support surface 44 e and the downstream side 44 b of the upstream side portion 44 a at the entry and exit positions. 44g media support. In this embodiment, since a restricting wall 44d is provided at the -Y direction side end portion of the upstream portion 44a, the discharged medium P can be restricted from falling down in the second medium receiving tray 44 inclined upward toward the + Y direction side. .

Here, if the rotation direction of the drive motor 48 is switched from the forward rotation direction to the reverse rotation direction, the upstream side portion 44a can be moved from the entering position to the retracting position. Specifically, the moving path of the upstream side portion 44a from the retraction position to the entry / exit position described above is reversed, and the entry / exit position is switched to the retreat position. As an example, by appropriately switching the rotation direction of the drive motor 48, it is possible to appropriately switch the state where the upstream side portion 44a is located in the retracted position and the state where it is located in the retracted position.

For example, a method of alternately discharging a plurality of media P to the first media receiving tray 42 and the second media receiving tray 44 or a specific number of media P to the first media receiving tray 42 and the second media receiving tray may be used. After either one of 44 is ejected to another media receiving tray, the state of the second media receiving tray 44 is switched. That is, the media tray at the discharge end may be appropriately switched in accordance with the discharge of the medium P.

In this embodiment, in FIG. 4 and FIG. 9, the upstream side media support surface 44e and the downstream side of the second media receiving tray 44 are placed in a state where the upstream side portion 44a of the second media receiving tray 44 is located in the in-out position. The media support surface 44g is set to have the same inclination (inclination angle) as the media support surface 42a of the first media receiving tray 42. In addition, in this embodiment, the inclination of the upstream-side media support surface 44e and the downstream-side media support surface 44g and the media-support surface 42a are not completely the same, and also include deviations in the angle due to the accuracy of parts or mounting errors during assembly.

In this embodiment, by appropriately switching the retreat position and the in / out position of the second media receiving tray 44, the discharge end of the medium P discharged from the discharge roller pair 40 can be switched to the first medium receiving tray 42 or the second medium receiving Tray 44. As a result, it is not necessary to provide the discharge roller pair 40 in each of the media receiving trays 42 and 44, and it is not necessary to synchronize the plurality of discharge roller pairs 40, so that it is possible to suppress a decrease in paper feeding accuracy and printing accuracy. In addition, since only one set of the discharge roller pair 40 can be configured, the medium P to be discharged can be simply classified, and the medium discharge device 18 can be configured in a small size and at low cost.

In addition, there may be a case where the discharge roller pair 40 shares a drive source with other conveyance rollers and rotates in the opposite direction during double-sided printing. Furthermore, when the discharge roller pair 40 is rotated in the reverse direction with the upstream portion 44a located at the entry / exit position, the upstream end of the medium P discharged to the second medium receiving tray 44 may contact the discharge roller pair 40 and may be introduced into the apparatus. Such a defect is likely to occur particularly when the inclination angle of the second medium receiving tray 44 is a steeper angle. Therefore, in the case where the ejection roller pair 40 is rotated in the reverse direction, the second medium receiving tray 44 is preferably switched to the retracted position.

Alternatively, it is also preferable to provide a door stop member 96 as shown in FIG. 19. The shutter member 96 is provided as The driving mechanism (not shown) can be used to displace between the position (symbol 96_1) that blocks the discharge path of the medium P and the position (symbol 96_2) that opens the discharge path of the medium P. In the example of FIG. 19, the position of the door member 96 at the position blocking the discharge path of the medium P intersects the tangent line S1 of the nip position N1 of the discharge roller pair 40.

By providing such a door stop member 96, the upstream end of the medium P discharged to the second medium receiving tray 44 comes into contact with the discharge roller pair 40, so that the problem of introduction into the apparatus can be prevented.

In addition, the door stop member 96 may be a rigid body or a flexible body, and may be formed of a film-like member, for example.

Summarizing the above description, the medium discharge device 18 includes: a discharge roller pair 40 that discharges the medium; a first medium receiving tray 42 that receives the discharged medium; and a second medium receiving tray 44 that is disposed more in the Z direction than the first medium receiving tray 44. The 1 medium receiving tray 42 receives the discharged medium P on the + Z direction side. The second medium receiving tray 44 can receive the medium P at the upstream side portion 44a including at least the -Y-side end portion of the Y direction, and enters and exits the medium P from the discharge roller pair 40 toward the first medium receiving tray 42. (Fig. 3 and Fig. 10) The position between the entrance and exit position of the ejected medium P and the retreat position retracted from the passage path are shifted.

According to the above configuration, in the configuration including the first media receiving tray 42 and the second media receiving tray 44, the discharge end of the medium P can be switched by displacement of at least the upstream portion 44 a of the second media receiving tray 44, that is, it is not necessary It is assumed that all the trays including the first media receiving tray 42 and the second media receiving tray 44 are moved up and down, and the discharge roller pair 40 does not need to be configured to move up and down. Therefore, the media P to be discharged can be classified. The medium ejection device 18 can be configured more simply, and can be configured in a small size and at a low cost.

The discharge roller pair 40 is constituted by a discharge roller pair that discharges while holding the medium P. When the upstream portion 44a of the second medium receiving tray 44 is located at the entry / exit position, the upstream portion 44a and the nip position N1 of the discharge roller pair 40 Tangent S1 crosses. According to this configuration, the medium P discharged from the discharge roller pair 40 can be more surely placed on the second medium receiving tray 44.

The discharge roller pair 40 is constituted by a discharge roller pair that discharges while holding the medium P. When the upstream portion 44a of the second medium receiving tray 44 is located at the entry / exit position, the upstream end portion is located more than the nip position N1 of the discharge roller pair 40. Close to the -Z direction side of the Z direction. According to this configuration, the medium P discharged from the discharge roller pair 40 can be more surely placed on the second medium receiving tray 44.

The upstream media support surface 44e provided in the upstream portion 44a of the second media receiving tray 44 is formed for an upwardly inclined surface facing horizontally in the + Y direction toward the + Z direction side, and the inclination angle for the horizontally inclined surface is the upstream portion. The situation where 44a is in the entry and exit position is greater than when it is in the retracted position. According to this configuration, when the upstream portion 44a is located at the retreat position, the space below the upstream portion 44a can be ensured widely, and the upstream portion 44a can be prevented from preventing the medium P from discharging to the first medium receiving tray 42.

When the upstream portion 44a of the second media receiving tray 44 is located at the entry / exit position, the upstream media supporting surface 44e and the downstream media supporting surface 44g of the second media receiving tray 44 and the media supporting surface of the first media receiving tray 42 42a all have the same inclination toward the + Y direction. In this embodiment, the first media receiving tray 42 is arranged at an inclination (angle) suitable for placing the medium P, and the second media receiving tray 44 is also inclined at the same angle as the first media receiving tray 42, so it can be compared with The ejected medium P is preferably placed.

The second medium receiving tray 44 includes an upstream portion 44 a and a downstream portion 44 b which is fixed to the + Y direction side and is located closer to the + Y direction side than the upstream portion 44 a which can advance and retract between the retracted position and the entry / exit position. According to this configuration, since the entire second media receiving tray 44 does not need to be moved, it is possible to prevent the device configuration from becoming large-scale.

When the upstream side portion 44a of the second media receiving tray 44 is located at the entry / exit position, the upstream side media support surface 44e provided by the upstream side portion 44a and the downstream side media support surface 44g provided by the downstream side portion 44b are for the horizontal direction + Y direction. And tilt in the + Z direction, the same tilt. With this configuration, the discharged medium P can be appropriately stored in a natural shape.

The guide portion 44h is provided to guide the medium P from the upstream-side media support surface 44e provided in the upstream-side portion 44a to the downstream-side media support surface 44g provided in the downstream-side portion 44b when the upstream-side portion 44a is located at the entry / exit position. With this configuration, the medium P can smoothly enter the downstream side portion 44b from the upstream side portion 44a.

The guide surface 44j in which the guide portion 44h guides the medium P has the same inclination as the downstream-side medium support surface 44g provided in the downstream-side portion 44b. According to this configuration, when the medium P enters the downstream side portion 44b from the guide surface 44j, it can smoothly enter.

A restriction wall 44d for restricting the rear end of the discharged medium P is provided at the upstream end portion of the second medium receiving tray 44. With this configuration, it is possible to suppress the medium P from falling off from the second medium receiving tray 44.

The printer 10 includes a recording head 38 that records the medium P, and a medium ejection device 18 that ejects the medium P that is recorded by the recording head 38.

<<< Second Embodiment >>

A second embodiment of the medium ejection device will be described with reference to FIGS. 11 to 13. The medium discharge device 68 of this embodiment includes a first medium receiving tray 70 and a plurality of second medium receiving trays 72 and 74. In addition, in FIGS. 11 to 13, the media ejection device 68 is omitted from the configuration other than the ejection roller pair 40, the first media receiving tray 70, and the plurality of second media receiving trays 72 and 74. In this embodiment, the configuration of the first media receiving tray 70 is the same as that of the first embodiment, and description thereof is omitted.

In the present embodiment, the second media receiving tray 72 is different from the second media receiving tray 44 of the first embodiment in that the entire tray is in the retracted position (the two-point chain line portion denoted by the symbol 72-1 in FIG. 12) and Displacement between the entry and exit positions (the solid line portion marked with the reference numeral 72 in FIG. 12).

The second medium receiving tray 74 of the present embodiment is arranged between the first medium receiving tray 70 and the second medium receiving tray 72 in the Z direction. The second media receiving trays 72 and 74 of the present embodiment are configured to be switchable between a retracted position and a retracted position, respectively.

The first medium receiving tray 70 and the plurality of second medium receiving trays 72 and 74 in this embodiment are arranged radially. The aspect of the radial arrangement will be described more specifically. In this embodiment, the interval between the first medium receiving tray 70 and the second medium receiving tray 72 is set so as to approach the discharge roller pair. As the distance from the discharge roller pair 40 increases, the interval becomes narrower. Similarly, the distance between the second medium receiving tray 72 and the second medium receiving tray 74 is set to be narrow as the distance approaches the discharge roller pair 40 and to be widened as the distance from the discharge roller pair 40 moves away.

That is, the interval between the trays is set to be narrower on the side closer to the discharge roller pair 40 and wider on the farther side. Therefore, the interval between adjacent trays in the first media receiving tray 70 and the plurality of second media receiving trays 72 and 74 is widened toward the discharge direction, so that a user's hand can be easily inserted into each tray 70 , 72, 74, and the medium P discharged to each tray 70, 72, 74 can be easily taken out.

FIG. 11 shows a state where the second media receiving trays 72 and 74 are both in the retracted position. In this state, since the second media receiving trays 72 and 74 do not block the discharge path P-4 of the medium P discharged by the discharge roller pair 40, the medium P is discharged toward the first media receiving tray 70 and is discharged by the first media receiving tray. 70 support. The two-dot chain line marked with the symbol P-4 indicates the discharge path of the medium P discharged from the discharge roller pair 40 toward the first medium receiving tray 70.

Next, as shown in FIG. 12, the second media receiving tray 72 is switched from the retracted position to the retracted position (see arrows A9 and A10). The switching operation of the second media receiving tray 72 from the retracted position to the retracted position is the same operation as the first embodiment. In addition, the two-dot chain line portion marked with the symbol 72-1 in FIG. 12 indicates the second media receiving tray 72 in the retreat position, and the solid line portion marked with the symbol 72 indicates the second media receiving tray 72 in and out.

When the second media receiving tray 72 is in the access position, at least the second media receiving tray 72 A part is located closer to the -Z direction than the nip position N1 of the discharge roller pair 40. In this state, when the discharge roller pair 40 discharges the medium P, the second medium receiving tray 72 blocks the discharge path P-4 of the medium P toward the first medium receiving tray 70 (FIG. 11). As a result, the medium P discharged by the discharge roller pair 40 is not placed on the first medium receiving tray 70 but is supported by the second medium receiving tray 72 and placed on the second medium receiving tray 72. The two-dot chain line marked with the symbol P-5 indicates the discharge path of the medium P discharged from the discharge roller pair 40 to the second medium receiving tray 72.

As shown in FIG. 13, the second media receiving tray 74 is switched from the retracted position to the retracted position (see arrow A11). In this embodiment, the second medium receiving tray 74 is configured to advance and retreat between the retracted position and the retracted position by a drive motor and a driving force transmission mechanism (not shown). Specifically, as an example, the configuration is such that the second medium receiving tray 74 is moved by a rack and pinion similarly to the first embodiment. In addition, the two-point chain line portion denoted by the symbol 74-1 in FIG. 13 indicates the second media receiving tray 74 in the retracted position, and the solid line portion denoted by the symbol 74 indicates the second media receiving tray 74 in and out.

When the second medium receiving tray 74 is located at the entry / exit position, at least a portion of the second medium receiving tray 74 is located closer to the -Z direction than the clamping position N1 of the discharge roller pair 40. In this state, when the discharge roller pair 40 discharges the medium P, the second medium receiving tray 74 blocks the discharge path P-4 of the medium P toward the first medium receiving tray 70 (FIG. 11). As a result, the medium P discharged by the discharge roller pair 40 is not placed on the first medium receiving tray 70, but is supported by the second medium receiving tray 74 and placed on the second medium receiving tray 74. The two-dot chain line marked with the symbol P-6 indicates the discharge path of the medium P discharged from the discharge roller pair 40 toward the second medium receiving tray 74.

In this embodiment, by appropriately switching the retreat position and the entry / exit position of the second medium receiving trays 72 and 74, the discharge end of the medium P discharged from the discharge roller pair 40 can be switched to any of a plurality of discharge trays. As a result, the medium P discharged by the classification can be simply configured, and the medium discharge device 68 can be configured in a small size and at a low cost.

The medium discharge device 68 of this embodiment includes a plurality of second medium receiving trays 72 and 74. When the discharge path of the medium P is viewed from the side, the first medium receiving tray 70 and the second medium receiving trays 72 and 74 are arranged radially toward the downstream side in the discharging direction. According to this configuration, the space for arranging the first medium receiving tray 70 and the second medium receiving trays 72 and 74 can be saved on the downstream side in the discharge direction, which can contribute to miniaturization of the apparatus.

<<< Change form of the second embodiment >>>

In the present embodiment, the second medium receiving tray 72 is configured to rotate forward and backward between the retracted position and the retracted position. However, instead of this configuration, the following configuration may be adopted. Similar to the first embodiment, the second media receiving tray 72 The receiving tray 72 is provided with an upstream side portion and a downstream side portion, and only the upstream side portion is positioned between the retreat position and the advance / retract position.

<<< Third Embodiment >>

A third embodiment of the medium ejection device will be described with reference to FIGS. 14 to 16. This embodiment is different from the first embodiment and the second embodiment in that a driven roller 76b that is displaceable around the driving roller 76a is provided in the discharge roller pair 76 to change the discharge path of the medium P.

In this embodiment, the medium discharge device 78 includes a discharge roller pair 76 and a first medium receiving tray. The disk 80, the second medium receiving trays 82 and 84, and the driven roller driving mechanism 86. In this embodiment, the second medium receiving trays 82 and 84 are different from the second embodiment and are fixed to the medium discharge device 78. In this embodiment, the first medium receiving tray 80 and the second medium receiving trays 82 and 84 are also arranged radially as in the second embodiment.

The discharge roller pair 76 includes a driving roller 76a as a "first roller" and a driven roller 76b as a "second roller". As an example, the driven roller driving mechanism 86 includes a driving motor 88, gears 90A, 90B, 90C, and a swing arm 92. The gear 90A is mounted on the drive shaft of the drive motor 88 and functions as a drive gear. A gear 90C is connected to one end of the swing arm 92, and a driven roller 76b is rotatably mounted at the other end. The swing arm 92 is configured to be able to swing with one end side as a swing fulcrum.

As shown in FIGS. 14 to 16, when the driving motor 88 is rotated, the gears 90A, 90B, and 90C are sequentially rotated, and the swing arm 92 is rotated with one end side as a fulcrum. By this rotation, the driven roller 76b rotates around the driving roller 76a. As a result, the nip position of the discharge roller pair 76 can be changed appropriately.

In FIG. 14, the nip position of the discharge roller pair 76 is set to N2. A dotted chain line marked with the symbol S2 indicates a tangent line to the nip position N2 of the discharge roller pair 76. As shown in FIG. 14, the tangent line S2 does not cross the second media receiving trays 82 and 84 and extends toward the first media receiving tray 80. The medium P discharged by the discharge roller pair 76 at the nip position N2 is discharged to the first medium receiving tray 80 along a path indicated by a symbol P-7.

Next, as shown in FIG. 15, the driving motor 88 is rotated and the rocking arm 92 is rocked to switch the clamping position of the discharge roller pair 76 from the clamping position N2 to the clamping position N3. With this, the ejection roller pair 76 The tangent at the clamping position changes from tangent S2 to tangent S3. The tangent line S3 extends to the + Z direction side of the second medium receiving tray 82 through the clamping position N3. The medium P discharged by the discharge roller pair 76 at the nip position N3 is discharged to the second medium receiving tray 82 along a path (two-point chain line) indicated by a symbol P-8.

In FIG. 16, when the clamping position of the ejection roller pair 76 is switched from the clamping position N3 to the clamping position N4, the tangent line of the clamping position of the ejecting roller pair 76 changes from the tangent line S3 to the tangent line S4. The tangent line S4 passes through the clamping position N4, does not cross the second medium receiving tray 82, and extends to the second medium receiving tray 84. The medium P discharged by the discharge roller pair 76 at the nip position N4 is discharged to the second medium receiving tray 84 along a path (two-dot chain line) indicated by the symbol P-9.

In this embodiment, the driven direction of the medium P can be changed by displacing the driven roller 76b around the driving roller 76a. Thereby, the discharge end of the medium P discharged from the discharge roller pair 76 can be switched to any one of the plurality of medium receiving trays 80, 82, and 84.

Here, if the configuration is to displace the driving roller 76a around the driven roller 76b, the driving shaft of the driving roller 76a and the mechanism transmitting the driving force from a driving source (not shown) to the driving shaft must also follow the driving roller. The displacement of 76a complicates the device configuration. In contrast, in the present embodiment, since the configuration in which the driven roller 76b is displaced around the driving roller 76a is adopted, compared with the configuration in which the driven roller 76a is displaced around the driven roller 76b, A structure in which the driving roller 76a is displaced. As a result, the medium P to be discharged can be easily configured, and the medium discharge device 78 can be configured at a small size and at a low cost.

The medium discharge device 78 includes a discharge roller pair 76 that discharges the medium P, a first medium receiving tray 80 that receives the medium P discharged by the discharge roller pair 76, and second medium receiving trays 82 and 84 that are provided in the Z direction. It is located closer to the + Z direction than the first media receiving tray 80, and receives the medium P discharged by the discharge roller pair 76. The discharge roller pair 76 includes a driving roller 76a and is configured to be displaceable around the driving roller 76a. The driven roller 76b holding the medium P between 76a is displaced by the driven roller 76b around the driving roller 76a, and the discharge end of the medium P is switched to any of the first medium receiving tray 80 and the second medium receiving tray 82, 84. By.

When the driven roller 76b is displaced around the driving roller 76a, the medium P discharge direction caused by the driving roller 76a and the driven roller 76b changes. According to the above configuration, by using this property, the discharge end of the medium P is switched to any one of the first medium receiving tray 80 and the second medium receiving trays 82 and 84. Therefore, it is compared with a structure in which the entire discharge roller pair 76 is up and down The medium discharge device 78 capable of classifying and discharging the medium P can be constructed with a simpler structure, a small size, and a low cost.

In this embodiment, the first media receiving trays 42, 70, 80 and the second media receiving trays 44, 72, 74, 82, and 84 are applied to an inkjet printer as an example of a recording device. It can also be applied to other liquid ejection devices.

Here, the liquid ejecting device is not limited to a recording device such as a printer, a photocopier, and a facsimile that ejects ink from a recording head to record on a recording medium using an inkjet recording head. A device corresponding to the purpose of ejecting a liquid from a liquid ejecting head equivalent to the ink jet recording head to an ejected medium corresponding to a recording medium, and attaching the liquid to the ejected medium.

As the liquid ejection head, in addition to the above-mentioned recording head, color material ejection heads used in the manufacture of color filters for liquid crystal displays and the like, electrode materials used for electrode formation such as organic EL displays or surface-emitting displays (FED) (conductive Paste) ejection head, biological organic matter ejection head used in biochip manufacturing, sample ejection head as precision pipette, etc.

In addition, the present invention is not limited to the above-mentioned embodiments, and various modifications can be made within the scope of the invention described in the scope of the patent application. Of course, these are also included in the scope of the present invention.

The full disclosures of Japanese Patent Application No. 2018-13829 filed on January 30, 2017 and Japanese Patent No. 2018-198207 filed on October 22, 2018 are incorporated herein by reference.

Claims (13)

A media ejection device, comprising: a ejection mechanism that ejects media; a first media receiving tray that receives media ejected by the ejection mechanism; and a second media receiving tray that is disposed in a vertical direction relative to the first The medium receiving tray is further above and receives the medium discharged by the discharge mechanism; and the second medium receiving tray may include at least an upstream portion of an upstream side end portion in the medium discharge direction, and enters and exits from the discharge mechanism toward the receiving side. The position of the media entering and exiting the media discharged through the path of the first media receiving tray and the retreat position retracted from the path of the first media receiving tray are shifted. The media ejection device according to claim 1, wherein the second media receiving tray includes a downstream portion fixedly disposed on the downstream side of the media ejection direction than the upstream portion that can be advanced and retracted. For example, in the media ejection device of claim 2, when the upstream portion of the second media receiving tray is located in the in-out position, the media support surface provided by the upstream portion and the media support surface provided by the downstream portion are relative to each other. Horizontally tilted upward in the same direction as the media discharge direction. For example, the media ejection device according to claim 1, wherein the ejection mechanism is constituted by a ejection roller pair that ejects the media, and when the upstream portion of the second media receiving tray is located at the entry and exit position, the upstream portion and the ejection roller pair The tangent of the clamping position intersects. For example, the media ejection device of claim 1, wherein the ejection mechanism is constituted by a pair of ejection rollers that eject the media, and when the upstream portion of the second media receiving tray is located at the entry and exit position, the upstream end portion is located in a vertical direction. The upper side is lower than the clamping position of the above-mentioned discharge roller pair. For example, the media ejection device of claim 1, wherein the position of the upstream side end of the upstream portion in the media ejection direction is more media-releasing when the upstream portion is located in the in-out position than in the retreat position. Direction upstream side. For example, the media ejection device according to claim 1, wherein the media support surface provided in the upstream portion of the second media receiving tray is formed with an inclined surface that is upward with respect to the horizontal in the media discharge direction, and the inclined angle of the inclined surface with respect to the horizontal, In the case where the upstream portion is located in the in-out position, it is larger than in the case where the upstream portion is located in the retreat position. For example, the media ejection device of claim 1, wherein when the upstream portion of the second media receiving tray is located in the above-mentioned in-out position, the media supporting surface provided in the second media receiving tray and the media provided in the first media receiving tray The support surfaces are the same inclination that inclines upwards in the direction of media ejection. The media ejection device according to claim 1, wherein the upstream end portion of the second media receiving tray is provided with a restricting wall that restricts the position of the upstream end portion of the ejected media. For example, the media ejection device of claim 1 includes a plurality of the second media receiving trays. In the media ejection device according to claim 1, when the passage is viewed from the side, the first media receiving tray and the second media receiving tray are arranged radially toward the downstream side in the ejecting direction. A media ejection device, comprising: a ejection mechanism that ejects media; a first media receiving tray that receives media ejected by the ejection mechanism; a second media receiving tray that is disposed in a vertical direction relative to the first media The receiving tray is further above and receives the medium discharged by the above-mentioned discharge mechanism; and the above-mentioned discharge mechanism includes a first roller and a second roller movably disposed around the first roller and sandwiching the medium between the first roller and the first roller; By moving the second roller around the first roller, the discharge end of the medium is switched to any one of the first medium receiving tray and the second medium receiving tray. A recording device includes: a recording mechanism that records a medium; and the media ejection device according to claim 1, which ejects the media recorded by the recording mechanism.