JP7059854B2 - Recording device - Google Patents

Description

The present invention relates to a recording device that records on a medium.

A recording device typified by a facsimile or a printer has an inverted transfer path for reversing the recording paper as an example of a medium, reverses the recording paper on which recording has been performed, and in addition to the first surface, the opposite. There is something that can be recorded on the second side of the side.
Patent Document 1 discloses an example of such a recording device. In the recording device described in Patent Document 1, a reversing roller forming a reversing path for reversing the recording paper is provided in a curved reversing unit that can be attached to and detached from the recording device main body. Then, by removing the curved reversing unit, the paper transport path inside the apparatus is exposed, and jam processing can be performed.

Japanese Unexamined Patent Publication No. 2012-240813

It is important from the viewpoint of facilitating the jam treatment that the reversing roller is provided for the curved reversing unit as in the configuration described in Patent Document 1 so that the reversing roller can be removed from the main body of the apparatus. In such a configuration, the path forming member facing the reversing roller and forming the outside of the reversing path is also provided in the curved reversing unit.
Therefore, the weight of the curved reversing unit increases, the handleability deteriorates, and the risk of damage increases when the removed curved reversing unit is dropped. It should be noted that such a problem is not limited to the case where the curved reversing unit is configured to be detachable from the device main body, and also occurs when the curved reversing unit is configured to be openable and closable from the device main body, for example.

In order to solve the above problems, the recording apparatus of the present invention has a recording unit that records a medium conveyed in a first direction and a second direction opposite to the first direction. The medium inversion unit includes a medium inversion unit that inverts the medium conveyed from the recording unit by an inversion path and sends it to the recording unit side, and the medium inversion unit includes an inversion roller constituting the inside of the inversion path and the inversion path. A first state in which the reversing roller and the outer path member are positioned at use positions with respect to the main body of the apparatus including the recording unit, and the reversing roller and the outer path member. Is switchable from the second state in which the medium is removed from the used position, and the apparatus main body is located below the reversing roller when the medium reversing portion takes the first state, and the medium is placed on the outer path member. The guide member is provided with a guide member for guiding the medium to a position higher than the lower end portion of the reversing roller, and the guide member guides the medium to the outer path member, and the medium width is a direction intersecting the transport direction of the medium. It is characterized in that it is located between the invitation portions in the direction and includes a roller passing portion through which the reversing roller passes with the state switching of the medium reversing portion.

The perspective view of the printer which concerns on this invention. The side sectional view which shows the medium transport path in the printer which concerns on this invention. The perspective view which shows the apparatus main body of the printer which concerns on this invention. The perspective view which shows the state which the medium reversal part was removed from the apparatus main body. Perspective view of the medium inversion part. Perspective view of the medium inversion part. The perspective view which shows the relationship between the concave part and the convex part in the state which the medium reversal part is attached to the apparatus main body. The side sectional view which shows the inverted state of the medium in the rotating member which concerns on this invention. The side sectional view which shows the inverted state of the medium in the rotating member which concerns on this invention. A side sectional view showing the relationship between the rotating member and the invitation portion in the first state. The perspective view which shows the relationship between the roller passing part and the rotating member passing part in the 1st state, and the reversing roller and a rotating member. A side sectional view showing a relationship between a rotating member passing portion and a rotating member. The perspective view which shows the state which the reversing roller and the rotating member were removed from the apparatus main body in the 2nd state. A perspective view of the frame body as viewed from the front side in the depth direction of the device. A perspective view of the frame body as viewed from the rear side in the depth direction of the device and from the right side in the width direction of the device. A perspective view of the frame body as viewed from the rear side in the depth direction of the device and the left side in the width direction of the device. Perspective view of the guide member. The perspective view explaining the attachment of the guide member to a frame body. The perspective view explaining the attachment of the guide member to a frame body. A cross-sectional view in a side view and a side view showing an engaged state between a frame body and a guide member. The side view which shows one form of the power supply unit attached to the side frame part of a frame body. The perspective view which shows one form of the power supply unit attached to the side frame part of a frame body. The side view which shows the other form of the power supply unit attached to the side frame part of a frame body. The perspective view which shows the other form of the power supply unit attached to the side frame part of a frame body. The plan view which shows the medium support part and the liquid storage part. The perspective view of the liquid storage part cover attached to the medium support part. Side sectional view of the liquid accommodating part. Side sectional view showing another example of the liquid container.

Hereinafter, the present invention will be schematically described.
The recording apparatus according to the first aspect of the present invention includes a recording unit that records a medium conveyed in a first direction and a recording unit that records in a second direction opposite to the first direction. The medium inversion section includes a medium inversion section that reverses the medium conveyed from the inversion path by an inversion path and sends the medium to the recording section, and the medium inversion section includes an inversion roller constituting the inside of the inversion path and the outside of the inversion path. The first state in which the reversing roller and the outer route member are positioned at the use position with respect to the main body of the apparatus including the recording unit, and the reversing roller and the outer route member are described. It is possible to switch between the second state of removal from the used position, and the apparatus main body is located below the reversing roller when the medium reversing portion takes the first state and guides the medium to the outer path member. The guide member is provided with a guide member for guiding the medium to a position higher than the lower end portion of the reversing roller, and the guide member guides the medium to the outer path member in the medium width direction which is a direction intersecting the transport direction of the medium. It is characterized in that it is located between the invitation portions and includes a roller passing portion through which the reversing roller passes with the state switching of the medium reversing portion.

According to this aspect, the medium reversing section is configured to be able to switch between the first state and the second state with respect to the device main body, and the device main body is located below the reversing roller provided in the medium reversing section. A guide member for guiding the medium to the outer path member is provided, and the guide member invites the medium to a position higher than the lower end portion of the reversing roller when the medium reversing portion takes the first state, and the outer side. Since the invitation portion for guiding to the path member is provided, the outer path member provided on the medium reversing portion side can be formed in a small size, that is, the medium reversing portion can be reduced in weight. As a result, the handleability when switching the state of the medium reversing portion can be improved, and the risk of damage can be reduced when the medium reversing portion is dropped or the like.
In addition, the medium reversing portion is located between the invitation portions in the medium width direction, which is a direction intersecting the medium transport direction, and the reversing roller passes through the reversing portion as the state of the medium reversing portion is switched. Since the portion is provided, it is possible to avoid a problem that the reversing roller is caught in the invitation portion when the state of the medium reversing portion is switched.

A second aspect of the present invention is the recording device according to the first aspect, wherein the reversing roller is provided on a roller shaft extending in the medium width direction, and the roller shaft has the medium with respect to the reversing roller. It is characterized in that rotating members formed with a diameter larger than the diameter of the roller shaft and smaller than the diameter of the reversing roller are provided at intervals in the width direction.

According to this aspect, the reversing roller is provided on a roller shaft extending in the medium width direction, and the roller shaft is spaced from the diameter of the roller shaft with respect to the reversing roller in the medium width direction. Since the rotating member having a large diameter equal to or smaller than the diameter of the reversing roller is provided, the posture of the medium when the medium is inverted by the reversing roller is made more uniform along the medium width direction. be able to.

A third aspect of the present invention is, in the second aspect, the guide member is located between the invitation portions in the medium width direction, and the rotation member passes through the rotating member as the state of the medium reversing portion is switched. It is characterized by having a member passing portion.

According to this aspect, the guide member is located between the invitation portions in the medium width direction, and includes a rotating member passing portion through which the rotating member passes as the state of the medium reversing portion is switched. It is possible to avoid a problem that the rotating member is caught by the invitation portion when the state of the reversing portion is switched.

A fourth aspect of the present invention is characterized in that, in any one of the first to third aspects, the guide member is provided with a driven roller that is driven to rotate by niping a medium between the guide member and the reversing roller. do.

According to this aspect, since the guide member is provided with a driven roller that is driven and rotated by nipating the medium between the guide member and the reversing roller, the medium is compared with a configuration in which the driven roller is provided in the medium reversing portion. The weight of the inverted portion can be reduced.

A fifth aspect of the present invention is, in any one of the first to fourth aspects, the apparatus main body is a side frame portion located on both sides in the medium width direction, and a center located between the side frame portions. The frame portion has a frame body integrally formed, and the guide member is attached between the two side frame portions, and the two side frame portions are attached to the end portion of the frame body in the second direction. It is characterized by connecting.

According to this aspect, the apparatus main body has a frame body including side frame portions located on both sides in the medium width direction and a center frame located between them, and the guide member is a two side frame portions. Attached between them and connecting the two side frame portions at the end of the frame body in the second direction, the strength of the frame body as a structure can be improved, particularly the two side frames. It is possible to counter this when a force that expands the space between the parts acts.

A sixth aspect of the present invention is, in any one of the first to fifth aspects, having a convex portion on one of the apparatus main body and the medium reversing portion and the convex portion on the other of the device main body and the medium reversing portion. The concave portion into which the portion enters is provided, and the convex portion enters the concave portion to determine the position of the medium reversing portion with respect to the device main body in the medium width direction when the medium reversing portion is in the first state. It is characterized by.
According to this aspect, since the position of the medium reversing portion with respect to the device main body in the medium width direction is determined by the entry of the convex portion into the concave portion, the reversing path can be appropriately formed.

Hereinafter, the present invention will be specifically described.
In each of FIGS. 1 to 26, the Z-axis direction is the vertical direction and is the device height direction. The X-axis direction and the Y-axis direction are directions along the horizontal plane, the X-axis direction is the device width direction, and the Y-axis direction is the device depth direction. From the viewpoint of transporting a medium represented by recording paper, the medium transport direction when recording on the medium is the direction along the Y-axis direction, and the X-axis direction is the medium width direction. In the present specification, the "first direction" is the + Y-axis direction (front side) in the Y-axis direction, which is the device depth direction, and the "second direction" is the -Y-axis direction (rear side) in the Y-axis direction. ).

<<< Overview of the printer >>>
First, an outline of the recording device 10 according to the embodiment of the present invention will be described with reference to FIGS. 1 to 3. In FIG. 1, the printer 10 includes a device main body 12 and a scanner unit 14. In the present embodiment, the scanner unit 14 is arranged on the upper part of the apparatus main body 12, and is rotatably attached to the apparatus main body 12 with the device back side end of the apparatus main body 12 as a fulcrum. A discharge port 16 is provided on the front side of the device of the device main body 12.

An operation unit 18 for operating the printer 10 is provided above the discharge port 16. Below the discharge port 16, a discharge stacker 20 that can project to the front side of the device main body 12 is provided. Note that FIG. 3 is shown with the exterior cover removed from the device main body 12.

In FIG. 2, the medium transport path 22 in the printer 10 will be described. The alternate long and short dash line with the reference numeral P in FIG. 2 indicates the route of the medium P traveling along the medium transport path 22. A medium feeding unit 24 is provided on the back surface side of the device main body 12. The medium feeding unit 24 is provided with a feeding port 26.

A medium mounting portion 28 (FIGS. 2 and 3) is provided on the downstream side of the feeding port 26 in the transport direction of the medium P, and the medium P can be mounted in an inclined state. A feeding roller 30 is provided on the downstream side of the medium mounting portion 28. A transport roller 32, a recording unit 34, and a discharge roller 36 are provided on the downstream side of the feed roller 30 along the transport direction of the medium P.

In this embodiment, the recording unit 34 includes a carriage 38 and a recording head 40 (FIG. 1). The carriage 38 (FIG. 3) is configured to be reciprocating with respect to the device main body 12 in the device width direction. The recording head 40 is provided at the lower part of the carriage 38, and is configured to be capable of ejecting ink, which is an example of a liquid, toward the lower side in the height direction of the apparatus.

A medium support portion 42 is provided below the recording head 40 in the height direction of the device. The medium support portion 42 is provided corresponding to the moving region of the carriage 38 in the device width direction. The medium support portion 42 faces the recording head 40 at a distance (gap) in the height direction of the device. The configuration of the medium support portion 42 will be described later.

Further, the transport roller 32 and the discharge roller 36 are configured to be rotationally driven by a drive source (not shown) provided in the main body 12 of the apparatus as an example. In the present embodiment, the medium P supplied from the medium feeding unit 24 is conveyed to a position facing the recording head 40 by the feeding roller 30 and the conveying roller 32. When the medium P is conveyed to a position facing the recording head 40, recording is executed by the recording head 40. The medium P on which recording has been executed is discharged from the discharge port 16 to the front side of the device by the discharge roller 36.

In the present embodiment, the apparatus main body 12 corresponds to double-sided recording with respect to the medium P. Specifically, the apparatus main body 12 includes a medium inversion path 44 (FIG. 2). As shown in FIG. 2, the reversing roller 46 is arranged below the medium mounting portion 28 in the height direction of the device. In the present embodiment, the medium reversing path 44 reversely rotates the transport roller 32 to feed the medium P upstream in the transport direction, reverses the medium P by the reversing roller 46, and again passes through the transport roller 32 to the recording unit 34. It is configured as a path for sending the medium P to. The configuration of the reversing roller 46 will be described later.

<<< About the medium inversion part >>>
In FIGS. 2 and 4 to 7, a medium reversing portion 48 that can be attached to and detached from the apparatus main body 12 is provided on the back surface side of the apparatus main body 12 as an example. In the present embodiment, the medium reversing section 48 includes a reversing roller 46, an outer path member 50 (FIGS. 5, 6, 8 and 9), and a driven roller 51. In the present embodiment, the reversing roller 46 constitutes a part of the inner path of the medium reversing path 44, and the outer path member 50 constitutes a part of the outer path of the medium reversing path 44. In FIGS. 5, 11 and 13, the reversing roller 46 is attached to a substantially central portion of a roller shaft 52 extending in the width direction of the device. The driven roller 51 is in contact with the reversing roller 46 on the upper side in the height direction of the device, and is configured to be driven and rotatable with respect to the reversing roller 46.

The reversing roller 46 is fixed to the roller shaft 52 so as to rotate together with the roller shaft 52. In the device width direction (X-axis direction), a drive gear 54 (FIGS. 4 to 6) is attached to the −X-axis direction side end portion of the roller shaft 52. In the present embodiment, when the medium reversing portion 48 is mounted on the apparatus main body 12, the drive gear 54 meshes with a driving force transmitting means (not shown) provided in the apparatus main body 12, and is transmitted from a drive source in the apparatus main body 12. Power is transmitted to the roller shaft 52. As a result, the roller shaft 52 and, by extension, the reversing roller 46 are rotationally driven.

In FIGS. 5, 11 and 13, a plurality of rotating members 56 are attached to the roller shaft 52 so as to rotate together with the roller shaft 52 at appropriate intervals on both sides of the reversing roller 46 in the roller shaft 52. In this embodiment, three rotating members 56 are arranged on both sides of the reversing roller 46.

In the present embodiment, as shown in FIGS. 8 and 9, as an example, the reversing roller 46 has a diameter dimension of d1, the rotating member 56 has a diameter dimension of diameter d2, and the roller shaft 52 has a diameter dimension. Has a diameter dimension of diameter d3. In the present embodiment, the diameter d2 of the rotating member 56 is set to be equal to or less than the diameter d1 of the reversing roller 46 and larger than the diameter d3 of the roller shaft 52.

In FIG. 6, a rib-shaped convex portion 48a is formed on the upper portion of the medium reversing portion 48 as an example. On the other hand, in FIG. 7, a groove-shaped recess 12a is formed at the back end of the main body 12. As shown in FIG. 7, when the medium reversing portion 48 is mounted on the apparatus main body 12, the rib-shaped convex portion 48a enters the groove-shaped concave portion 12a. As a result, the position of the medium reversing portion 48 with respect to the device main body 12 in the device width direction is positioned.

In the present embodiment, FIGS. 2, 8, 9, 10, and 12 show a state in which the medium reversing portion 48 is mounted on the apparatus main body 12, that is, the reversing roller 46 and the outer path member 50 are positioned at the use positions. The first state is illustrated. 4 and 13 show a state in which the medium reversing portion 48 is removed from the main body 12, that is, a second state in which the reversing roller 46 and the outer path member 50 are removed from the used positions. 11 and 13 show only the reversing roller 46, the roller shaft 52, and the rotating member 56 in the medium reversing section 48.

A guide member 58 (FIG. 17) is located below the reversing roller 46 in a state where the medium reversing portion 48 is mounted on the apparatus main body 12 in FIGS. 8 to 10. In FIG. 17, the guide member 58 is configured as a flat plate-shaped member extending in the width direction of the device. The upper surface 58a of the guide member 58 constitutes a part of the medium reversal path 44.

A curved portion 58b that curves downward is formed at a position of the upper surface 58a of the guide member 58 near the end on the back surface side of the device. The curved portion 58b is formed so as to form a part of a medium reversing path 44 through which the medium can pass between the outer peripheral surface of the reversing roller 46 and the curved portion 58b.

Further, referring to FIGS. 8 to 10, in the curved portion 58b of the guide member 58, the medium P guided along the upper surface 58a of the guide member 58 is provided on the outside of the medium reversal portion 48 at the rear end side end portion of the device. An uphill invitation portion 58c that guides the path member 50 is formed.

As shown in FIG. 10, the invitation portion 58c is configured as an inclined portion that invites the medium P toward a position higher than the lower end portion of the reversing roller 46 in the height direction of the device. Specifically, the invitation portion 58c is formed so that the terminal position of the invitation portion 58c is higher than the lower end portion of the reversing roller 46 in the height direction of the device by H1. That is, in the height direction of the device, the reversing roller 46 and the invitation portion 58c forming a part of the medium reversing path 44 overlap each other.

Further, as shown in FIGS. 4, 11 and 13, the driven roller 60 can be driven and rotated with respect to the reversing roller 46 at a position corresponding to the arrangement position of the reversing roller 46 in the device width direction of the guide member 58. It is provided.

In the present embodiment, since the guide member 58, and by extension, the invitation portion 58c and the driven roller 60 can be provided on the device main body 12 side, the configuration of the medium reversing portion 48 can be simplified and the weight of the medium reversing portion 48 can be reduced. .. As a result, when the medium reversing unit 48 is removed from the apparatus main body 12, damage can be suppressed when the medium reversing unit 48 is dropped.

Here, the medium inversion path 44 will be described with reference to FIGS. 8 to 10. When the transport roller 32 is rotated in the reverse direction to return the medium P1 from the recording unit 34 to the upstream side in the transport direction, the medium P1 is fed into the medium reversal path 44 between the upper surface 58a of the guide member 58 and the medium reversing portion 48.

When the medium P1 sent to the medium reversing path 44 advances to the reversing roller 46, it is niped into the reversing roller 46 and the driven roller 60. At this time, the invitation portion 58c guides the tip of the medium P1 upward in the height direction of the device. As a result, the medium P1 is sent to the driven roller 51 by the reversing roller 46 in a state of being wound around the outer peripheral surface of the reversing roller 46. Then, the medium P1 is nipated by the reversing roller 46 and the driven roller 51, and is sent to the recording unit 34 again. At this time, the front surface and the back surface of the medium P1 are inverted.

The rotating member 56 will be described with reference to FIGS. 8 and 9. In FIGS. 8 and 9, the thick line with the reference numeral P1 represents the medium P1 in a state of being sent to the medium inversion path 44 and in contact with the rotating member 56. In FIG. 8, the portion where the tip of the medium P1 fed into the medium inversion path 44 comes into contact with the inversion roller 46 is referred to as R1. When the reversing roller 46 rotates in FIG. 9, the portion R1 in contact with the tip of the medium P1 on the outer peripheral surface of the reversing roller 46 is displaced upward in the height direction of the device as the reversing roller 46 rotates. At this time, since the rotating member 56 rotates following the rotation of the reversing roller 46, the contact portion of the rotating member 56 with the medium P1 is also displaced in the device height direction in the same manner as the contact portion R1 of the reversing roller 46.

Here, a plurality of rotating members 56 are provided on both sides of the reversing roller 46 at appropriate intervals in the width direction of the device. As a result, when the medium P1 winds around the outer peripheral surface of the reversing roller 46 and rotates, the plurality of rotating members 56 come into contact with a part of the medium P1 to make the posture of the medium uniform along the device width direction. Can be done. Further, since the rotating member 56 rotates following the reversing roller 46, the amount of the medium P1 conveyed in the width direction of the device can be made uniform. In the present embodiment, since the rotating member 56 rotates together with the reversing roller 46, it is possible to suppress rubbing between the rotating member 56 and the medium P1 when the medium P1 is inverted, and it is possible to reduce wrinkles and scratches on the medium P1. can. Further, in the present embodiment, the number of parts can be reduced by integrally forming the plurality of rotating members 56 with the roller shaft 52.

In FIGS. 11, 13 and 17, the relief shape of the guide member 58 with respect to the reversing roller 46 and the rotating member 56 when the medium reversing portion 48 is attached and detached will be described. A roller passing portion 58d is provided at a position corresponding to the arrangement position of the reversing roller 46 in the guide member 58 in the device width direction.

The roller passing portion 58d has a shape that is concavely cut from the curved portion 58b to the end on the back surface side of the device along the depth direction of the device on the upper surface 58a of the guide member 58. The size of the roller passing portion 58d in the device width direction is set to a size that can accept the reversing roller 46. Further, as shown in FIG. 2, the roller passing portion 58d has a depth that does not interfere with the lower end portion of the reversing roller 46 in the height direction of the device. In the present embodiment, the roller passing portion 58d is formed between the invitation portions 58c in the device width direction.

In the state where the medium reversing portion 48 is attached to the apparatus main body 12 in FIG. 11, the reversing roller 46 is in contact with the driven roller 60. When the medium reversing portion 48 is removed from the device main body 12 from this state, the reversing roller 46 is separated from the driven roller 60 and is pulled out from the device main body 12 to the back surface side of the device through the roller passing portion 58d (FIG. 13). Therefore, it is possible to avoid a problem that the reversing roller 46 is caught in the invitation portion 58c.

Further, a rotating member passing portion 58e is formed at a position corresponding to the arrangement position of the rotating member 56 of the guide member 58 in the device width direction. The rotating member passing portion 58e has a shape that is concavely cut from the curved portion 58b to the end on the back surface side of the device along the depth direction of the device on the upper surface 58a of the guide member 58. The size of the rotating member passing portion 58e in the device width direction is set to a size that can accept the rotating member 56.

Further, as shown in FIG. 12, the rotating member passing portion 58e has a depth that does not interfere with the lower end portion of the rotating member 56 in the height direction of the device. In the present embodiment, the rotating member passing portion 58e is formed between the invitation portions 58c in the device width direction.

In the present embodiment, as shown in FIG. 12, when the medium reversing portion 48 is mounted on the apparatus main body 12, the rotating member passing portion 58e is located on the back surface side of the rotating member 56. Therefore, when the medium reversing portion 48 is removed from the apparatus main body 12, the rotating member 56 is pulled out from the apparatus main body 12 to the back surface side of the apparatus through the rotating member passing portion 58e (FIG. 13). Therefore, it is possible to avoid a problem that the rotating member 56 is caught in the invitation portion 58c.

<<< About the modified form of the medium inversion part >>>
(1) In the present embodiment, the medium reversing unit 48 is configured to be removable from the device main body 12 as an example, but instead of this configuration, for example, the medium reversing unit 48 can be opened and closed with respect to the device main body 12. It may be configured. Specifically, a rotation shaft may be provided at the lower end of the medium reversing portion 48, and the rotation shaft may be used as a rotation fulcrum to rotate with respect to the device main body 12, in the device width direction of the medium reversing section 48. A rotation shaft may be provided at one end of the above, and the rotation shaft may be used as a rotation fulcrum to rotate with respect to the device main body 12.

(2) In the present embodiment, the medium reversing unit 48 is configured to arrange three rotating members 56 on each side of the reversing roller 46 in the device width direction, but the number of the rotating members 56 is not limited to three. Instead, the number of rotating members 56 may be changed as appropriate.

(3) In the present embodiment, the convex portion 48a for positioning the medium reversing portion 48 with respect to the apparatus main body 12 is provided in the medium reversing portion 48, and the concave portion 12a is provided in the apparatus main body 12, but the medium reversing portion 48 is provided. A concave portion may be provided and a convex portion may be provided on the main body 12 of the apparatus.

<<< About the frame structure of the main body of the device >>>
In FIGS. 14 to 16, the apparatus main body 12 includes a frame body 62 constituting the apparatus main body 12. In the present embodiment, the frame body 62 includes a center frame portion 62a, a right side frame portion 62b, and a left side frame portion 62c, which are integrally formed. In the present embodiment, a medium support portion 42 (FIG. 2, FIG. 16, FIG. 18, FIG. 19 and FIG. 25) is formed on the upper surface of the center frame portion 62a.

In FIG. 14, the center frame portion 62a has two positioning portions 62d for positioning the guide member 58 in the depth direction of the device, and a fastening portion for fixing the center frame portion 62a and the guide member 58 by a fastening member (not shown). 62e is formed. A boss is formed in the positioning portion 62d as an example, and positioning is performed by fitting the guide member 58 with a recess (not shown) provided at the front end portion in the depth direction of the device.

In FIG. 15, the left side frame portion 62c of the frame body 62 is provided with a left guide member mounting portion 62f. In the present embodiment, the left guide member mounting portion 62f is formed as an opening that penetrates the left side frame portion 62c in the device width direction as an example.

In FIG. 16, the right side frame portion 62b of the frame body 62 is provided with a right guide member mounting portion 62g. In the present embodiment, the right guide member mounting portion 62g is formed as an opening that penetrates the right side frame portion 62b in the device width direction as an example. In the right side frame portion 62b, a groove 62h extends from the right guide member mounting portion 62g to the lower end of the right side frame portion 62b.

Referring to FIG. 17, engaging portions 58f protruding from the guide member 58 in the device width direction are formed at both ends of the guide member 58 in the device width direction.

<<< About the attachment of the guide member to the frame body >>>
A method of attaching the guide member 58 to the frame body 62 will be described with reference to FIGS. 18 to 20. In FIG. 18, first, the + X direction side end portion of the guide member 58 is attached to the left side frame portion 62c of the frame body 62. Specifically, in the guide member 58, the engaging portion 58f provided at the + X direction side end portion is provided on the left side frame in a state where the + X direction side end portion is inclined upward in the device height direction with respect to the frame body 62. It is passed through the left guide member mounting portion 62f of the portion 62c.

Next, in FIG. 19, the −X direction side end portion of the guide member 58 is rotated toward the right side frame portion 62b with the engaging portion 58f of the guide member 58 passed through the left guide member mounting portion 62f as a rotation fulcrum. .. At this time, the engaging portion 58f provided at the end portion on the −X direction side of the guide member 58 is inserted into the groove 62h of the right side frame portion 62b. When the engaging portion 58f at the end on the −X direction side of the guide member 58 enters the groove 62h, the guide member 58 is further rotated so that the engaging portion 58f at the end on the −X direction side ends along the groove 62h. , Move to the right guide member mounting portion 62g formed at the upper end of the groove 62h.

When the engaging portion 58f at the end on the -X direction side moves to the right guide member mounting portion 62 g, the guide member 58 is in a horizontal state with respect to the frame body 62 as shown in FIGS. 4, 11 and 13. In this state, the guide member 58 is moved to the front side in the depth direction of the device.

Here, as shown in FIGS. 15, 16, 19, and 20, the left guide member mounting portion 62f and the right guide member mounting portion 62g are engaged with the engaging portion insertion port 62j on the back surface side of the device in the depth direction of the device. Each of the hooked portions 62k formed on the front surface side of the joint portion insertion port 62j is provided. The hooked portion 62k is configured to be narrower in size than the engaging portion insertion port 62j in the height direction of the device, and is configured to be able to hook the hook-shaped engaging portion 58f.

In FIG. 20, as an example, the hooked state of the engaging portion 58f in the right guide member mounting portion 62g will be described. Here, as shown in FIGS. 17 and 20, the engaging portion 58f is formed at the tip of a constricted portion 58 g extending in the width direction of the device and the tip of the constricted portion 58 g, and has an eaves shape protruding from the constricted portion 58 g in the height direction of the device. The part 58h is provided.

In FIG. 20, in a state where the engaging portion 58f at the end portion on the −X direction side of the guide member 58 is moved to the right guide member mounting portion 62g formed at the upper end of the groove 62h, the engaging portion 58f is inserted into the engaging portion. It is located in the mouth 62j. From this state, when the guide member 58 is slid toward the front side in the depth direction of the device, the constricted portion 58g of the engaging portion 58f enters the hooked portion 62k from the engaging portion insertion port 62j.

As a result, the eaves-shaped portion 58h of the engaging portion 58f is located on the −X direction side of the hooked portion 62k. As a result, the eaves-shaped portion 58h is in a state of being hooked on the hooked portion 62k. Similarly, the engaging portion 58f at the + X direction side end portion of the guide member 58 is also passed through the engaging portion insertion port 62j of the left guide member mounting portion 62f, and then slid toward the front side in the depth direction of the device. It is in a state of being hooked on the hooked portion 62k.

In this state, the guide member 58 and the frame body 62 are integrated by positioning the center frame portion 62a of the guide member 58 and the frame body 62 and fixing them with a fastening member (not shown).

In the present embodiment, the guide member 58 is configured to connect the right side frame portion 62b and the left side frame portion 62c at the rear end of the frame body 62 in the depth direction of the device. Thereby, the strength of the frame body 62 can be improved. Further, since the eaves-shaped portion 58h of the engaging portion 58f of the guide member 58 is configured to be hooked on the outside of the right side frame portion 62b and the left side frame portion 62c in the device width direction, the right side frame portion is configured in the device width direction. When a force acts in a direction that expands the distance between the 62b and the left side frame portion 62c, the distance between the side frames can be maintained against this force.

<<< About the power supply unit mounting structure in the left side frame >>>
In FIGS. 19 and 21 to 24, a mounting structure of a power supply unit and other units in the left side frame portion 62c will be described. In FIG. 19, a flat unit arrangement portion 62m is provided on the left side frame portion 62c, and the first attachment attachment portion 62n, the second attachment attachment portion 62p, and the third attachment are around the unit arrangement portion 62m. A mounting portion 62q is provided.

By exchanging the mounting attachment, different types of units, for example, a power supply unit, a communication unit, and the like can be arranged in combination on the unit arrangement portion 62m in the present embodiment.

As an example, the printer 10 includes a power supply unit 64 and a communication unit 66, as shown in FIGS. 21 and 22. The power supply unit 64 and the communication unit 66 are arranged in the unit arrangement portion 62m of the left side frame portion 62c as an example. In the present embodiment, the power supply unit 64 is configured to supply the power required to drive the printer 10. The communication unit 66 is configured as a communication unit for FAX as an example, but may be configured as a communication unit for an information network such as LAN or the Internet.

In the present embodiment, the power supply unit mounting attachment 68 is detachably attached to the first attachment mounting portion 62n. In the present embodiment, as shown in FIG. 21, the power supply unit 64 includes a mounting portion 64a protruding downward in the device height direction from the power supply unit 64 and a mounting portion 64b protruding upward in the device height direction from the power supply unit 64. , Is equipped.

In the present embodiment, the mounting portion 64a of the power supply unit 64 is fastened and mounted to the power supply unit mounting attachment 68 by a fastening member 70. In this embodiment, the fastening member 70 is configured as a screw member or a bolt member as an example.

On the other hand, the communication unit 66 has a mounting portion 66a projecting upward from the communication unit 66 in the height direction of the device, a mounting portion 66b projecting forward in the depth direction of the device at the upper end of the communication unit 66, and a lower end of the communication unit 66. A mounting portion 66c that protrudes forward in the depth direction of the device is provided in the portion.

The attachment portion 66a is attached to the second attachment attachment portion 62p (FIG. 19) by the fastening member 70. The attachment portion 66b is attached to the third attachment attachment portion 62q (FIG. 19) by the fastening member 70. The mounting portion 66c is mounted on the mounting portion 64b of the power supply unit 64 by the fastening member 70. As a result, the power supply unit 64 and the communication unit 66 are attached to the unit arrangement portion 62m.

In FIGS. 23 and 24, another embodiment of the unit arranged in the unit arrangement portion 62m will be described. In this embodiment, the power supply unit 72 is arranged in the unit arrangement portion 62m. As an example, the power supply unit 72 is configured to be able to supply electric power larger than that of the power supply unit 64 to the apparatus main body 12. Further, the size of the power supply unit 72 is larger than the size of the power supply unit 64.

In this embodiment, the power supply unit 72 is supported by the first attachment attachment portion 62n without an attachment. On the other hand, a mounting attachment 74 is detachably mounted on the upper part of the power supply unit 72. The attachment attachment 74 is attached to the second attachment attachment portion 62p (FIG. 19) by the fastening member 70. That is, the power supply unit 72 is mounted on the unit arrangement portion 62m via the mounting attachment 74.

In the frame body 62 in the present embodiment, a single unit or a plurality of units can be mounted on the unit arrangement portion 62m by exchanging the mounting attachment for mounting the unit body. As a result, the frame body 62 can be used as a common frame body for printers having different specifications, the development man-hours for printers having different specifications can be reduced, and the mold construction period can be shortened. The number of days can be shortened.

<<< About the change form of the unit arrangement part >>>
In the present embodiment, the unit arrangement portion 62m is provided on the left side frame portion 62c, but instead of this configuration, the unit arrangement portion 62m may be provided on the right side frame portion 62b.

<<< About the configuration of the medium support section >>>
The configuration of the medium support portion 42 will be described with reference to FIGS. 25 to 27. In FIG. 25, the medium support portion 42 is formed with a plurality of ribs 42a extending along the medium transfer direction in the upstream portion in the medium transfer direction. The plurality of ribs 42a are arranged at appropriate intervals in the device width direction.

A plurality of ribs 42b extending along the medium transport direction are also formed on the downstream portion of the medium support portion 42 in the medium transport direction. The plurality of ribs 42b are arranged at appropriate intervals in the device width direction.

A plurality of ribs 42c extending along the width direction of the apparatus are formed in the intermediate portion between the upstream portion and the downstream portion of the medium support portion 42 in the medium transport direction. The plurality of ribs 42c are arranged at appropriate intervals in the medium transport direction. Liquid storage portions 76 (FIG. 27) are provided at positions outside both ends of the plurality of ribs 42c of the medium support portion 42 in the device width direction.

In the present embodiment, the liquid accommodating portion 76 is configured as a recess in the medium supporting portion 42 having an opening on the upper side in the height direction of the device. A liquid absorber 78 (FIG. 27) is arranged in the liquid accommodating portion 76 as an example. In the present embodiment, the plurality of liquid absorbers 78 are superimposed in the liquid storage unit 76.

A liquid storage portion cover 80 (FIGS. 25 and 26) is detachably attached to the medium support portion 42 on the upper portion of the liquid storage portion 76. A plurality of ribs 80a extending along the width direction of the device are formed on the upper portion of the liquid storage portion cover 80. The plurality of ribs 80a are provided at appropriate intervals in the medium transport direction.

In the present embodiment, the arrangement interval of the plurality of ribs 80a in the medium transport direction corresponds to the arrangement interval of the ribs 42c in the medium support portion 42. In other words, when the liquid storage portion cover 80 is attached to the medium support portion 42, the ribs 42c and the ribs 80a form long ribs extending in the width direction of the device. Further, in the present embodiment, the ribs 42a, 42b, 42c and 80a are configured to support the medium P from the lower side in the height direction of the apparatus when the medium P is conveyed to the medium support portion 42.

In the printer 10 of the present embodiment, so-called borderless recording, in which recording is performed up to the edge of the medium P, is feasible. In the printer 10 of the present embodiment, the size of the medium P corresponding to borderless recording has a wide variety of specifications (for example, a medium larger than the size of a business card).

Of the ink ejected from the recording head 40 toward the medium P during rimless recording, the ink off the edge of the medium P may land on the rib 42c or the rib 80a. In the present embodiment, since the rib 42c and the rib 80a form a long rib extending in the width direction of the device, the ink landing on the rib 42c or the rib 80a moves along the rib 42c or the rib 80a, and the liquid storage portion cover 80 is used. The rib 80a moves to the end in the device width direction. The ink that has moved to the end of the rib 80a in the device width direction is absorbed from the liquid storage portion cover 80 to the liquid absorber 78 located below the liquid storage portion cover 80.

In the present embodiment, the liquid accommodating portion 76 is arranged outside the rib 42c of the medium support portion 42, and the upper part of the liquid accommodating portion 76 is covered with the liquid accommodating portion cover 80. Therefore, the liquid is applied to the recording head 40. The absorber 78 is not exposed, and the accuracy of the distance between the recording head 40 and the ink landing position on the medium support portion 42 can be improved.

<<< Change form of liquid storage section >>>
In the present embodiment, the liquid accommodating section 76 is configured to superimpose a plurality of liquid absorbers 78 to absorb and accommodate the ink, but instead of this configuration, the liquid accommodating section 76 is configured as shown in FIG. 28. The number of liquid absorbers 78 arranged in the liquid storage unit 76 may be changed according to the liquid absorption capacity. Specifically, in FIG. 28, the spacer member 82 is arranged in the liquid storage portion 76, and the liquid absorber 78 is lifted so as to be in contact with the bottom surface of the liquid storage portion cover 80. With this configuration, even if the number of liquid absorbers 78 is reduced, the state of contact with the liquid storage unit cover 80 can be maintained, so that the permeability of the ink from the liquid storage unit cover 80 can be maintained.

Further, in the present embodiment, as shown in FIG. 14, the medium support portion 42 and the liquid storage portion 76 are formed in the center frame portion 62a of the frame body 62. By adjusting the number of liquid absorbers 78 in the liquid storage unit 76, the absorption capacity of the ink contained in the liquid storage unit 76 can be adjusted. Therefore, even if the printer has different specifications, the frame body 62 Can be a common configuration.

Further, in the present embodiment, the medium reversing unit 48 according to the present invention is applied to an inkjet printer as an example of a recording device, but other liquid injection devices in general can also be applied.
Here, the liquid injection device is not limited to a recording device such as a printer, a copying machine, a facsimile, etc., in which an inkjet recording head is used and ink is ejected from the recording head to record on a recording medium, instead of ink. The present invention includes a device for injecting a liquid corresponding to the intended use from a liquid injection head corresponding to the inkjet recording head onto an injection medium corresponding to a recording medium to attach the liquid to the injection medium.

As the liquid injection head, in addition to the recording head, a color material injection head used for manufacturing a color filter such as a liquid crystal display, and an electrode material (conductive paste) used for forming electrodes such as an organic EL display and a surface emission display (FED). Examples thereof include an injection head, a bioorganic substance injection head used for manufacturing a biochip, and a sample injection head as a precision pipette.

The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say.

10 Printer, 12 Device body, 12a recess, 14 Scanner section, 16 Discharge port, 18 Operation section, 20 Discharge stacker, 22 Media transfer path, 24 Media feed section, 26 Feed port, 28 Media loading section, 30 Supply Feed roller, 32 transfer roller, 34 recording section, 36 discharge roller, 38 carriage, 40 recording head, 42 medium support section, 42a, 42b, 42c, 80a rib, 44 medium reversing path, 46 reversing roller, 48 medium reversing section, 48a Convex part, 50 outer path member, 51, 60 driven roller, 52 roller shaft, 54 drive gear, 56 rotating member, 58 guide member, 58a upper surface, 58b curved part, 58c invitation part, 58d roller passing part, 58e rotating member Passing part, 58f engaging part, 58g constricted part, 58h eaves part, 62 frame body, 62a center frame part, 62b right side frame part, 62c left side frame part, 62d positioning part, 62e fastening part, 62f left guide member Mounting part, 62g Right guide member mounting part, 62h groove, 62j engaging part insertion port, 62k hooking part, 62m unit placement part, 62n 1st attachment mounting part, 62p 2nd attachment mounting part, 62q 3rd attachment mounting Unit, 64, 72 power supply unit, 64a, 64b, 66a, 66b, 66c mounting part, 66 communication unit, 68 power supply unit mounting attachment, 70 fastening member, 74 mounting attachment, 76 liquid housing, 78 liquid absorber, 80 liquid Housing cover, 82 spacer member, H1 height, P, P1 medium, R1 contact site

Claims (6)

A recording unit that records on a medium conveyed in the first direction,
It is provided with a medium reversing section for inverting the medium conveyed from the recording section in a second direction opposite to the first direction by an inverting path and sending it to the recording section side.
The medium reversing unit includes an reversing roller constituting the inside of the reversing path and an outer path member constituting the outside of the reversing path, and the reversing roller and the reversing roller and the above-mentioned with respect to a device main body including the recording unit. It is possible to switch between the first state of positioning the outer path member at the use position and the second state of removing the reversing roller and the outer path member from the use position.
The apparatus main body includes a guide member that is located below the reversing roller and guides the medium to the outer path member when the medium reversing portion takes the first state.
The guide member has an invitation portion that invites the medium to a position higher than the lower end portion of the reversing roller and guides the medium to the outer path member.
It is provided between the invitation portions in the medium width direction, which is a direction intersecting the transport direction of the medium, and is provided with a roller passing portion through which the reversing roller passes with the state switching of the medium reversing portion.
A recording device characterized by that. In the recording apparatus according to claim 1, the reversing roller is provided on a roller shaft extending in the medium width direction.
The roller shaft is provided with a rotating member formed with a diameter larger than the diameter of the roller shaft and smaller than the diameter of the reversing roller at intervals in the medium width direction with respect to the reversing roller.
A recording device characterized by that. In the recording device according to claim 2, the guide member is located between the invitation portions in the medium width direction, and includes a rotating member passing portion through which the rotating member passes as the state of the medium reversing portion is switched. ,
A recording device characterized by that. In the recording device according to any one of claims 1 to 3, the guide member is provided with a driven roller that is driven to rotate by niping a medium between the guide member and the reversing roller.
A recording device characterized by that. In the recording apparatus according to any one of claims 1 to 4, the apparatus main body is a side frame portion located on both sides in the medium width direction and a center frame portion located between the side frame portions. Has an integrally formed frame body,
The guide member is attached between the two side frame portions and connects the two side frame portions at the end portion of the frame body in the second direction.
A recording device characterized by that. In the recording device according to any one of claims 1 to 5, the convex portion is provided on one of the device main body and the medium reversing portion, and the convex portion is provided on the other of the device main body and the medium reversing portion. Equipped with a recess to enter
When the convex portion enters the concave portion, the position of the medium reversing portion in the medium width direction with respect to the device main body is determined when the medium reversing portion is in the first state.
A recording device characterized by that.

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