JP2022082026A - Medium transport device, recording device, and frame production method - Google Patents

Abstract

To solve a problem in which: upsizing of a frame serving as a base of a device often causes increase in manufacturing cost.SOLUTION: A recording device has a recording part that performs recording on a medium, the recording device also having a frame forming a face along a side face of the device. The frame is an integrated frame of a first metal sheet, a second metal sheet, and a third metal sheet welded together. The first metal sheet supports a feeding part for feeding a medium, the second metal sheet supports the recording part, and the third metal sheet supports a discharge part for discharging the medium. The recording device also includes: a first reinforcement member that is disposed across the first metal sheet and the second metal sheet and welded to the first metal sheet and the second metal sheet; and a second reinforcement member that is disposed across the second metal sheet and the third metal sheet and welded to the second metal sheet and the third metal sheet.SELECTED DRAWING: Figure 1

Description

The present invention relates to a medium transport device for transporting a medium and a recording device for recording on the medium. The present invention also relates to a method for manufacturing a frame that forms a surface along a side surface of a medium transporting device for transporting a medium.

Patent Document 1 discloses an image forming apparatus having a frame structure in which a bridge member connecting a front frame and a back frame is bent to support a bottom surface of the image reading device by a part of the bridge member. The front side frame and the back side frame have a frame surface along the side surface of the device and form the base of the device.

Japanese Unexamined Patent Publication No. 2020-024330

Like the front side frame and the back side frame shown in Patent Document 1, the frame constituting the base of the apparatus becomes large, so that the cost for manufacturing tends to increase. Specifically, if the entire frame is formed by press working using a single sheet metal, the mold becomes extremely expensive, and as a result, the manufacturing cost of the frame also increases remarkably.

The medium transfer device of the present invention for solving the above problems is a medium transfer device that conveys a medium, and includes a frame forming a surface along the side surface of the device, and the frame includes a first sheet metal and a second sheet metal. It is characterized in that it is a frame in which a sheet metal is welded and integrated.
Further, the recording device of the present invention is a recording device having a recording unit for recording on a medium, and includes a frame forming a surface along the side surface of the device, and the frame includes a first sheet metal and a second sheet metal. It is characterized by being a welded and integrated frame.
Further, the method for manufacturing a frame of the present invention is a method for manufacturing a frame that forms a surface along a side surface of a medium transporting device for transporting a medium, and the first sheet metal and the second sheet metal are welded and integrated. It is characterized by including a step of forming a formed frame.

The figure which shows the medium transport path of a printer. The figure which shows the positional relationship of a head unit, a cap carriage, and a wiper carriage. A perspective view of the printer as seen from the rear side. Perspective view of the motion unit. Perspective view of the motion unit. A perspective view of the rear frame as seen from the rear side. A perspective view of the rear frame as seen from the rear side. A perspective view of the rear frame as seen from the front side. A perspective view of the rear frame as seen from the front side. An exploded perspective view of the rear frame. A perspective view of the rear frame as seen from the rear side. The perspective view of the third reinforcing member. The perspective view of the common reinforcing member used as a 1st reinforcing member and a 2nd reinforcing member. A flowchart showing the flow of the manufacturing process of the rear frame. Front view of the recording system according to another embodiment.

Hereinafter, the present invention will be schematically described.
The medium transfer device according to the first aspect is a medium transfer device that conveys a medium, and includes a frame forming a surface along the side surface of the device, and the frame is formed by welding a first sheet metal and a second sheet metal. It is characterized by being an integrated frame.

According to this aspect, the medium transfer device includes a frame forming a surface along the side surface of the device, and the frame is a frame in which the first sheet metal and the second sheet metal are welded and integrated. The manufacturing cost of the frame can be suppressed. In addition, since the first sheet metal and the second sheet metal are integrated by welding, it is possible to suppress a decrease in the strength of the entire frame.

The second aspect is characterized in that, in the first aspect, a reinforcing member is provided which is arranged over the first sheet metal and the second sheet metal and is welded to the first sheet metal and the second sheet metal. do.
According to this aspect, since the reinforcing member which is arranged over the first sheet metal and the second sheet metal and is welded to the first sheet metal and the second sheet metal is provided, the strength of the frame is further improved. Can be made to.

The recording device according to the third aspect is a recording device having a recording unit for recording on a medium, and includes a frame forming a surface along the side surface of the device, and the frame is a first sheet metal and a second sheet metal. It is characterized in that the frame is welded and integrated.

According to this aspect, the recording device includes a frame forming a surface along the side surface of the device, and the frame is a frame in which a first sheet metal and a second sheet metal are welded and integrated. It is possible to suppress the manufacturing cost of. In addition, since the first sheet metal and the second sheet metal are integrated by welding, it is possible to suppress a decrease in the strength of the entire frame.

A fourth aspect, in the third aspect, comprises a feeding section located below the recording section and feeding the medium toward the recording section, and the second sheet metal is attached to the first sheet metal. Located above, the first sheet metal supports the feeding section and the second sheet metal supports the recording section.

According to this aspect, the first sheet metal supports the feeding section and the second sheet metal supports the recording section, that is, each sheet metal supports the feeding section and each functional area of the recording section. Is supported individually, so that the misalignment of the parts in each functional area can be suppressed, and the function can be appropriately exhibited in each functional area.

A fifth aspect comprises, in the fourth aspect, a discharge section located above the recording section and ejecting the medium recorded by the recording section, wherein the frame is relative to the second sheet metal. A third sheet metal located above and welded to and integrated with the second sheet metal is provided, wherein the third sheet metal supports the discharge portion.

According to this aspect, the frame is located above the second sheet metal and includes a third sheet metal welded and integrated with the second sheet metal, the third sheet metal supporting the discharge portion. Therefore, it is possible to suppress the misalignment of the parts in the functional region of the discharge unit, and it is possible to appropriately exert the function of the discharge unit.

A sixth aspect is, in the fifth aspect, a first reinforcing member arranged over the first sheet metal and the second sheet metal and welded to the first sheet metal and the second sheet metal, and the first reinforcing member. It is characterized by comprising a second reinforcing member arranged over the two sheet metal and the third sheet metal and welded to the second sheet metal and the third sheet metal.

According to this aspect, the strength of the frame can be further improved by the first reinforcing member and the second reinforcing member. Further, since the increase in size of the first reinforcing member and the second reinforcing member is suppressed, the manufacturing cost of the first reinforcing member and the second reinforcing member can be suppressed.

A seventh aspect is characterized in that, in the sixth aspect, a common member is used for the first reinforcing member and the second reinforcing member.
According to this aspect, since a common member is used for the first reinforcing member and the second reinforcing member, the cost of the first reinforcing member and the second reinforcing member can be further reduced.

The method for manufacturing a frame according to an eighth aspect is a method for manufacturing a frame that forms a surface along a side surface of a medium transporting device for transporting a medium, and the first sheet metal and the second sheet metal are welded together. It is characterized by including a step of forming an integrated frame.

According to this aspect, in the medium transport device for transporting the medium, the frame forming the surface along the side surface of the device is formed by welding and integrating the first sheet metal and the second sheet metal. The manufacturing cost of the frame can be suppressed. In addition, since the first sheet metal and the second sheet metal are integrated by welding, it is possible to suppress a decrease in the strength of the entire frame.

A ninth aspect is to weld the first edge and the second edge in a state where the first edge of the first sheet metal and the second edge of the second sheet metal are butted against each other in the eighth aspect. It is characterized by.
According to this aspect, since the first edge and the second edge are welded in a state where the first edge and the second edge are butted against each other, the dimensional accuracy of the entire frame can be ensured and the strength can be increased. Can be improved.

Hereinafter, the present invention will be specifically described.
Hereinafter, an inkjet printer 1 that records by ejecting a liquid typified by ink onto a medium typified by recording paper will be described as an example of a recording device. Hereinafter, the inkjet printer 1 is abbreviated as the printer 1. The printer 1 can be regarded as a medium transport device 90 from the viewpoint of transporting the medium. From the viewpoint of the medium transfer device 90, at least the line head 34 described later may or may not be provided.

The XYZ coordinate system shown in each figure is an orthogonal coordinate system, the Y-axis direction is the width direction intersecting the medium transport direction, and the device depth direction. Of the Y-axis directions, the + Y direction, which is the direction of the arrow, is the direction from the front surface of the device to the back surface of the device, and the −Y direction opposite to the + Y direction is the direction from the back surface of the device to the front surface of the device.
Further, the X-axis direction is the device width direction, and the + X direction, which is the direction of the arrow when viewed from the operator of the printer 1, is on the left side, and the opposite −X direction is on the right side. The Z-axis direction is the vertical direction, that is, the device height direction, and the + Z direction, which is the direction of the arrow, is the upward direction, and the opposite −Z direction is the downward direction. Hereinafter, when the term "upper" is used, it means the + Z direction, and when the term "lower" is used, it means the -Z direction.

Further, in FIGS. 1 to 5, the G-axis direction is the normal direction with respect to the ink ejection surface 35 of the line head 34 described later, and the + G direction, which is the direction of the arrow, separates the head unit 33 described later from the transport belt 7. The direction is the opposite, and the opposite −G direction is the direction in which the head unit 33 is close to the conveyor belt 7.
Further, the F-axis direction is a direction parallel to the ink ejection surface 35, which is a medium conveying direction at a position facing the ink ejection surface 35, and the + F direction, which is the direction of the arrow, is downstream of the conveying direction, and vice versa. The F direction is upstream in the transport direction. In the following, the direction in which the medium is sent may be referred to as "downstream", and the opposite direction may be referred to as "upstream". Further, the F-axis direction is the moving direction of the cap carriage 31, which will be described later.
Further, in FIGS. 4 and 5, for convenience, the FGH coordinate system is used instead of the XYZ coordinate system.

In FIG. 1, the medium transport path is shown by a broken line. In the printer 1, the medium is conveyed through the medium transfer path shown by the broken line.
The printer 1 includes a feeding unit 1a, a recording unit 1b, and a discharging unit 1c in order from the lower part to the upper part of the apparatus main body 2. The feeding unit 1a includes a component portion shown below the first joining line 61 of the rear frame 50, which will be described later in FIG. 1. Further, the recording unit 1b includes a component portion that is above the first joining line 61 in FIG. 1 and is shown below the second joining line 62 of the rear frame 50, which will be described later. Further, the discharge portion 1c includes a component portion shown above the second joining line 62 in FIG. 1.
The ink accommodating unit 5, which will be described later, is a component of the recording unit 1b. The discharge tray 38 is a component of the discharge unit 1c.

Hereinafter, the medium transport path will be further described. The apparatus main body 2 includes a first medium cassette 3 as a medium cassette for accommodating a medium before feeding, and a second medium cassette 4 located below the first medium cassette 3. Reference numeral P indicates a medium contained in each medium cassette.
The first medium cassette 3 and the second medium cassette 4 are provided so as to be slidable in the Y-axis direction with respect to the apparatus main body 2.
The first medium cassette 3 is provided with a pick roller 9 for sending out the contained medium, and the second medium cassette 4 is provided with a pick roller 10 for sending out the contained medium.

Further, the first medium cassette 3 is provided with a feeding roller pair 11 for feeding the sent medium in an obliquely upward direction. Further, the second medium cassette 4 is provided with a feeding roller pair 12 for feeding the sent medium in an obliquely upward direction and a transport roller pair 13 for transporting the medium in an upward direction.
In the following, unless otherwise specified, the "roller pair" is composed of a drive roller driven by a motor (not shown) and a driven roller that is driven and rotated in contact with the drive roller.

The medium sent out from each medium cassette is sent to the transfer roller pair 16 by the transfer roller pair 14 and the transfer roller pair 15. The medium that receives the feeding force from the transport roller pair 16 is fed between the line head 34, which is an example of the liquid discharge head, and the transport belt 7, that is, at a position facing the line head 34. The line head 34 ejects ink onto the surface of the medium to perform recording. The line head 34 is an ink ejection head configured such that a nozzle (not shown) for ejecting ink covers the entire area in the medium width direction, and recording is performed over the entire medium width without movement in the medium width direction. It is configured as a possible ink ejection head.

Reference numeral 5 is an ink accommodating portion for accommodating ink. The ink discharged from the line head 34 is supplied from the ink accommodating portion 5 to the line head 34 via a tube (not shown). The ink accommodating portion 5 is composed of a plurality of ink tanks arranged along the X-axis direction.

The conveyor belt 7 is an endless belt that is hung around the pulleys 8a and 8b, and rotates by driving at least one of the pulleys 8a and 8b by a motor (not shown). The medium is transported at a position facing the line head 34 while being attracted to the belt surface of the transport belt 7. As the suction of the medium to the transport belt 7, a known suction method such as an air suction method or an electrostatic suction method can be adopted.

Here, the medium transport path passing through the position facing the line head 34 intersects both the horizontal direction and the vertical direction, and is configured to transport the medium diagonally upward. The diagonally upward transport direction is a direction including the −X direction component and the + Z direction component in FIG. 1, and the horizontal dimension of the printer 1 can be suppressed by such a configuration.
In the present embodiment, the medium transport path passing through the position facing the line head 34 is set to an inclination angle in the range of 50 ° to 70 ° with respect to the horizontal direction, and more specifically, an inclination angle of 60 ° is set. Has been done.

The medium recorded on the first surface by the line head 34 is further sent diagonally upward by the transfer roller pair 17 located downstream of the transfer belt 7.
A flap 23 is provided downstream of the transport roller pair 17, and the flap 23 switches the transport direction of the medium. When the medium is discharged as it is, the transport path of the medium is switched by the flap 23 so as to be directed toward the upper transport roller pair 20. A flap 24 is further provided downstream of the transport roller pair 20, and the flap 24 switches the transport route to either discharge from the discharge position A1 or transport to the transport roller pair 21 located vertically above. When the medium is sent toward the transport roller pair 21, it is discharged from the discharge position A2.
The medium discharged from the discharge position A1 is received by the discharge tray 38 inclined in the diagonally upward direction including the + X direction component and the + Z direction component. The medium discharged from the discharge position A2 is received by an option tray (not shown).

When recording is performed on the second surface in addition to the first surface of the medium, the medium is sent by the flap 23 in the diagonally upward direction including the −X direction component and the + Z direction component, passes through the branch position K1, and the branch position. It is sent from K1 to the upper switchback path. A transfer roller pair 22 is provided in this switchback path, and the medium that has entered the switchback path is conveyed upward by the transfer roller pair 22 and is conveyed when the rear end of the medium passes through the branch position K1. The rotation direction of the roller pair 22 is switched, whereby the medium is conveyed downward.

The medium conveyed downward by the transfer roller pair 22 receives the feed force from the transfer roller pair 18, the transfer roller pair 19, and the transfer roller pair 15 to reach the transfer roller pair 16, and is again line headed by the transfer roller pair 16. It is sent to the position facing the 34.
In the medium sent to the position facing the line head 34 again, the second surface opposite to the first surface on which recording has already been performed faces the line head 34. This enables recording by the line head 34 on the second surface of the medium. The medium on which the recording is performed on the second surface is discharged from the discharge position A1 or the discharge position A2 described above.

Subsequently, the motion unit 25 will be described. The motion unit 25 shown in FIG. 3 includes a head unit 33, a cap carriage 31, and a wiper carriage 36 shown in FIG.
The head unit 33 is a unit including the line head 34, and is provided so as to be able to drive a motor in the G-axis direction.

The cap carriage 31 is a unit provided with a cap 32 that covers the line head 34, and is provided so as to be able to drive a motor along the F-axis direction.
The wiper carriage 36 is a unit provided with a wiper 37 for wiping the ink ejection surface 35 of the line head 34, and is provided so as to be able to drive a motor in the Y-axis direction.
As described above, the head unit 33, the cap carriage 31, and the wiper carriage 36 are each provided so as to be able to drive the motor in the directions orthogonal to each other.

FIG. 2 shows the position of each unit when recording on a medium by the line head 34. The position G1 is the position of the ink ejection surface 35 in this state in the G-axis direction. In this state, the cap carriage 31 is in a position retracted in the −F direction with respect to the head unit 33, and the wiper carriage 36 is located in the home position set in the + Y direction. 4 and 5 show a state in which the wiper carriage 36 is located at the home position.

When the ink ejection surface 35 is capped by the cap 32 included in the cap carriage 31 from this state, the head unit 33 moves in the + G direction from the position shown in FIG. 2, and the cap carriage 31 moves in the + F direction. As a result, the ink ejection surface 35 and the cap 32 face each other. The position G2 is a position of the ink ejection surface 35 in the G-axis direction when the cap 32 caps the ink ejection surface 35.

When the ink ejection surface 35 is wiped by the wiper 37 included in the wiper carriage 36, the head unit 33 moves in the + G direction from the state shown in FIG. Then, the wiper carriage 36 moves from the home position in the + Y direction to the end position in the −Y direction. After that, the head unit 33 moves slightly in the −G direction, and the wiper carriage 36 moves in the + Y direction while the ink ejection surface 35 is located at the position G3, so that the wiper 37 wipes the ink ejection surface 35. Will be done.

Subsequently, the motion unit 25 includes a first side frame 26 and a second side frame 27 located in the + Y direction with respect to the first side frame 26, as shown in FIGS. 4 and 5. The first side frame 26 and the second side frame 27 are formed of a metal plate material and form a frame surface along an FG plane.
The first side frame 26 and the second side frame 27 are connected by a first connection frame 28 extending in the Y-axis direction, a second connection frame 29, and a third connection frame 30. The first connection frame 28, the second connection frame 29, and the third connection frame 30 are formed by bending a metal plate material.

In the present embodiment, the first connection frame 28, the second connection frame 29, and the third connection frame 30 are joined to the first side frame 26 and the second side frame 27 by welding.
The first connection frame 28, the second connection frame 29, and the third connection frame 30 are bent so that a part or all of the cross section when cut in the FG plane is rectangular, thereby causing motion. The rigidity of the unit 25 is improved as a whole.

As shown in FIG. 3, the apparatus main body 2 is provided with a front frame 49 at an end in the −Y direction and a rear frame 50 at an end in the + Y direction, and the substrate of the apparatus is formed by the front frame 49 and the rear frame 50. It is configured. The front frame 49 and the rear frame 50 are made of a metal material. Then, the motion unit 25 is fixed to the front frame 49 and the rear frame 50. By fixing the motion unit 25 to the front frame 49 and the rear frame 50, the substrate of the printer 1 is configured.

The unit body configured by fixing the motion unit 25 to the front frame 49 and the rear frame 50 is covered with a housing made of a resin material, although a detailed description thereof is omitted. Reference numeral 2a is a side surface on the back surface side of the side surfaces constituting the apparatus main body 2, and the rear frame 50 forms a surface parallel to the side surface 2a. The side surface 2a is a plane parallel to the XX plane.
Although the motion unit 25 is fixed to the front frame 49 and the rear frame 50 by screws in this embodiment, it may be fixed by welding.

Hereinafter, the rear frame 50 having the characteristic configuration in the present embodiment will be further described with reference to FIGS. 6 and later.
The rear frame 50 includes a first sheet metal 51 located at the bottom, a second sheet metal 52 located above the first sheet metal 51, and a third sheet metal 53 located above the second sheet metal 52. It is configured in preparation.
Further, a third reinforcing member 58 is provided at the end in the + X direction with respect to the rear frame 50, and the first reinforcing member 55 and the second reinforcing member 56 are provided at the end in the −X direction with respect to the rear frame 50. It is provided. As a result, the first strut portion 66 extending along the Z-axis direction is configured at the end in the + X direction with respect to the rear frame 50, and the end in the −X direction with respect to the rear frame 50 is along the Z-axis direction. A second strut portion 65 extending in the direction is configured.
In the present embodiment, the first sheet metal 51, the second sheet metal 52, the third sheet metal 53, the first reinforcing member 55, the second reinforcing member 56, and the third reinforcing member 58 are all made of metal plates having the same plate thickness. It is formed by pressing.

The side frame portion 51b of the first sheet metal 51 is formed by bending the end portion in the + X direction in the + Y direction with respect to the main frame portion 51a forming a plane parallel to the XZ plane. Further, in the first sheet metal 51, the end portion in the −X direction is bent in the + Y direction with respect to the main frame portion 51a to form the side frame portion 51c.
The second sheet metal 52 has a side frame portion 52b formed by bending the end portion in the + X direction in the + Y direction with respect to the main frame portion 52a forming a plane parallel to the XZ plane. Further, in the second sheet metal 52, the end portion in the −X direction is bent in the + Y direction with respect to the main frame portion 52a to form the side frame portion 52c.
The third sheet metal 53 has a side frame portion 53b formed by bending the end portion in the + X direction in the + Y direction with respect to the main frame portion 53a forming a plane parallel to the XZ plane. Further, in the third sheet metal 53, the end portion in the −X direction is bent in the + Y direction with respect to the main frame portion 53a to form the side frame portion 53c.

The first sheet metal 51, the second sheet metal 52, and the third sheet metal 53 are formed with a large number of openings for mounting the components of the printer 1. Hereinafter, the description of assigning reference numerals to all the openings will be omitted, but the above-mentioned motion unit 25 is attached to the largest opening 52f formed in the second sheet metal 52.

Further, in the first sheet metal 51, the openings 51h and 51j are openings for attaching a movement control unit (not shown). When the first medium cassette 3 and the second medium cassette 4 are inserted into the apparatus main body 2 and abutted against the mounting position, the movement control unit acts to alleviate the impact and pull each cassette into the mounting position.
Further, the openings 51f and 51g are openings for attaching a size detection unit (not shown) for detecting the size of the medium contained in the first medium cassette 3 and the second medium cassette 4.

Further, the opening 51m is one of the openings for attaching a driving means (not shown) for lifting up the bottom plate (not shown) of the first medium cassette 3. Further, the opening 51n is one of the openings for attaching a driving means (not shown) for lifting up the bottom plate (not shown) of the second medium cassette 4.

In FIGS. 6 to 9, reference numeral 61 is a first joining line which is a joining line between the first sheet metal 51 and the second sheet metal 52, and reference numeral 62 is a joining line between the second sheet metal 52 and the third sheet metal 53. It is a second joining line. Since the plate thickness of each sheet metal is the same in the present embodiment, there is almost no step in the first joining line 61 and the second joining line 62, and a flat frame surface is formed.

In this embodiment, each sheet metal and each reinforcing member are joined by welding.
In the manufacturing process of the rear frame 50, first, as shown in FIG. 14, the first sheet metal 51, the second sheet metal 52, and the third sheet metal 53 are abutted against each other (step S1). More specifically, the upper edge 51d of the first sheet metal 51 and the lower edge 52e of the second sheet metal 52 shown in FIG. 10 are abutted against each other, and the distance between the first sheet metal 51 and the second sheet metal 52 is set to zero. do. Further, the upper edge 52d of the second sheet metal 52 and the lower edge 53d of the third sheet metal 53 are abutted against each other, and the distance between the second sheet metal 52 and the third sheet metal 53 is set to zero.

At this time, the distance between the side frame portion 51b of the first sheet metal 51 and the side frame portion 52b of the second sheet metal 52 becomes zero, and the side frame portion 51c of the first sheet metal 51 and the side frame portion 52c of the second sheet metal 52 The interval between is also zero.
Further, the distance between the side frame portion 52b of the second sheet metal 52 and the side frame portion 53b of the third sheet metal 53 becomes zero, and the distance between the side frame portion 52c of the second sheet metal 52 and the side frame portion 53c of the third sheet metal 53. Is also zero.

Next, the first sheet metal 51 and the second sheet metal 52 are welded, and the second sheet metal 52 and the third sheet metal 53 are welded (step S2 in FIG. 14). In this embodiment, this welding is performed as spot welding along the first joining line 61 and the second joining line 62 at intervals of about several cm. At least one spot weld is formed on the portion where the side frame portion 51b of the first sheet metal 51 and the side frame portion 52b of the second sheet metal 52 are abutted against each other. Further, at least one spot weld is also formed on the portion where the side frame portion 51c of the first sheet metal 51 and the side frame portion 52c of the second sheet metal 52 are abutted against each other.

Further, at least one spot weld is formed on the portion where the side frame portion 52b of the second sheet metal 52 and the side frame portion 53b of the third sheet metal 53 are abutted against each other. Further, at least one spot weld is also formed on the portion where the side frame portion 52c of the second sheet metal 52 and the side frame portion 53c of the third sheet metal 53 are abutted against each other.
As a result, as shown in FIG. 11, the first sheet metal 51, the second sheet metal 52, and the third sheet metal 53 are joined to each other, and the frame 50 is obtained after being integrated.

Next, the first reinforcing member 55, the second reinforcing member 56, and the third reinforcing member 58 are abutted against the rear frame 50 (step S3 in FIG. 14) and then joined by welding (step S3 in FIG. 14). In addition, step S1 and step S3 are performed at the same time, that is, all of the first sheet metal 51, the second sheet metal 52, the third sheet metal 53, the first reinforcing member 55, the second reinforcing member 56, and the third reinforcing member 58. It may be in a state of being abutted, and spot welding may be sequentially performed in that state.

Here, the shape of each reinforcing member will be described.
As the first reinforcing member 55 and the second reinforcing member 56, the same members are used in this embodiment. The same member means that the members have at least the same shape, size, and material. Of course, the same shape and size is not limited to being completely the same, and it means that some differences due to manufacturing errors are acceptable.
FIG. 13 shows a common reinforcing member 57 used as the first reinforcing member 55 and the second reinforcing member 56. The common reinforcing member 57 has a first frame portion 57a forming a plane parallel to the YY plane and a second frame portion 57c forming a plane parallel to the XX plane.

The common reinforcing member 57 used as the first reinforcing member 55 is arranged so as to straddle the first sheet metal 51 and the second sheet metal 52, and the first frame edge 57b, which is the edge of the first frame portion 57a in the −Y direction, is provided. , The main frame portion 51a of the first sheet metal 51 and the main frame portion 52a of the second sheet metal 52 are spot welded.
Further, the second frame edge 57d, which is the edge of the second frame portion 57c in the −X direction, is spot welded to the side frame portion 51c of the first sheet metal 51 and the side frame portion 52c of the second sheet metal 52.

The common reinforcing member 57 used as the second reinforcing member 56 is arranged so as to straddle the second sheet metal 52 and the third sheet metal 53, and the first frame edge 57b, which is the edge of the first frame portion 57a in the −Y direction, is provided. , The main frame portion 52a of the second sheet metal 52 and the main frame portion 53a of the third sheet metal 53 are spot welded.
Further, the second frame edge 57d, which is the edge of the second frame portion 57c in the −X direction, is spot welded to the side frame portion 52c of the second sheet metal 52 and the side frame portion 53c of the third sheet metal 53.
In the present embodiment, the + Z direction end portion of the first reinforcing member 55 and the −Z direction end portion of the second reinforcing member 56 are also welded to join the first reinforcing member 55 and the second reinforcing member 56.

As described above, the second support column portion 65 extending along the Z-axis direction is configured at the −X direction end portion of the rear frame 50. The second strut portion 65 is configured as a hollow strut. The side wall in the −X direction, which is a part of the second strut portion 65, is composed of the side frame portions 51c, 52c, 53c which are the bent portions of the end portions in the −X direction of the rear frame 50. Further, the side wall in the −Y direction, which is a part of the second support column portion 65, is composed of the main frame portions 51a, 52a, 53a. Further, the side wall in the + X direction, which is a part of the second strut portion 65, is composed of the first reinforcing member 55 and the first frame portion 57a of the second reinforcing member 56. Further, the side wall in the + Y direction, which is a part of the second strut portion 65, is composed of the second frame portion 57c of the first reinforcing member 55 and the second reinforcing member 56.

Next, as shown in FIG. 12, the third reinforcing member 58 forms a surface parallel to the XY plane with the first frame portion 58a and the third frame portion 58e forming a plane parallel to the YY plane. It has a frame portion 57c. The third frame portion 58e is located in the −Z direction with respect to the first frame portion 58a and is positioned so as to sandwich the second frame portion 58c in the X-axis direction.
In the third reinforcing member 58, the first frame edge 58b, which is the + Y direction edge of the first frame portion 58a, is spot welded to the main frame portion 52a of the second sheet metal 52 and the main frame portion 53a of the third sheet metal 53. Will be done. Further, the second frame edge 58d, which is the edge of the second frame portion 58c in the + X direction, is spot welded to the side frame portion 52b of the second sheet metal 52 and the side frame portion 53b of the third sheet metal 53.
Further, in the third reinforcing member 58, the third frame edge 58f, which is the edge in the −X direction in the −Z direction end region of the second frame portion 58c, is spot welded to the side frame portion 51b of the first sheet metal 51. ..

As described above, the first strut portion 66 extending along the Z-axis direction is configured at the + X direction end portion of the rear frame 50. The first strut portion 66 is configured as a hollow strut. The side wall in the + X direction, which is a part of the first strut portion 66, includes the side frame portions 52b and 53b, which are bent portions of the + X direction end portion of the rear frame 50, and the third frame portion 58e of the third reinforcing member 58. Consists of. Further, the side wall in the −Y direction, which is a part of the first support column portion 66, is composed of the main frame portions 51a, 52a, 53a. Further, the side wall in the −X direction, which is a part of the first strut portion 66, is composed of the first frame portion 58a of the third reinforcing member 58 and the side frame portion 51b of the first sheet metal 51. Further, the side wall in the + Y direction, which is a part of the first strut portion 66, is formed by the second frame portion 58c of the third reinforcing member 58.
Since a part of the first strut portion 66 is formed by the bent portion of the rear frame 50 in this way, the first strut portion 66 can be configured at low cost. Further, a part of the first support column portion 66 is composed of a third reinforcing member 58.

Here, the side frame portion 51b, which is the bent portion of the + X direction end portion of the first sheet metal 51, is the side frame portion 52b, which is the bent portion of the + X direction end portion of the second sheet metal 52, and the + X direction end portion of the third sheet metal 53. The bending position is different from that of the side frame portion 53b, which is the bending portion of the above, and is bent at a position in the −X direction from the side frame portions 52b and 53b. As a result, as shown in FIGS. 8, 9, and 15, a receiving portion 67 that opens in the −Y direction is formed at the position in the −Z direction on the first strut portion 66. A protruding portion (not shown) provided at the end in the + Y direction of the first medium cassette 3 and the second medium cassette 4 enters the receiving portion 67. This protruding portion functions so that each medium cassette does not fall off from the device main body 2 when each medium cassette is pulled out.

As described above, the printer 1, which is an example of the recording device and the medium transfer device, includes a rear frame 50 forming a surface along the side surface 2a, which is one of the side surfaces of the device, and the rear frame 50 is a first sheet metal 51. And the second sheet metal 52 are welded together to form an integrated frame.
As a result, the manufacturing cost of the rear frame 50 can be suppressed. In addition, since the first sheet metal 51 and the second sheet metal 52 are integrated by welding, it is possible to suppress a decrease in the strength of the rear frame 51 as a whole.

Further, as shown in FIG. 1, the first sheet metal 51 supports the feeding section 1a, and the second sheet metal 52 supports the recording section 1b. Further, the third sheet metal 53 supports the discharge portion 1c. That is, since each sheet metal individually supports each functional area of the feeding unit 1a, the recording unit 1b, and the discharging unit 1c, it is possible to suppress the misalignment of the parts in each functional area, and the function is appropriately performed in each functional area. It can be demonstrated.

Further, the first reinforcing member 55, which is arranged over the first sheet metal 51 and the second sheet metal 52 and is welded to the first sheet metal 51 and the second sheet metal 52, and the second sheet metal 52 and the third sheet metal 53. The second reinforcing member 56, which is arranged and welded to the second sheet metal 52 and the third sheet metal 53, is provided, so that the strength of the rear frame 50 can be further improved. Further, since the increase in size of the reinforcing member is suppressed with respect to the configuration in which the first reinforcing member 55 and the second reinforcing member 56 are integrally formed, the manufacturing cost of the first reinforcing member 55 and the second reinforcing member 56 can be suppressed.

Further, since the common reinforcing member 57, which is a common member, is used for the first reinforcing member 55 and the second reinforcing member 56, the cost of the first reinforcing member 55 and the second reinforcing member 56 can be further reduced.

Further, the method for manufacturing the rear frame 50 according to the present embodiment includes a step of welding the first sheet metal 51 and the second sheet metal 52 to form an integrated frame (step S2 in FIG. 14). As a result, the manufacturing cost of the rear frame 50 can be suppressed. In addition, since the first sheet metal 51 and the second sheet metal 52 are integrated by welding, it is possible to suppress a decrease in the strength of the rear frame 50 as a whole.

Further, the upper edge 51d of the first sheet metal 51 as the first edge and the lower edge 52e of the second sheet metal 52 as the second edge are butted, and the upper edge 52d of the second sheet metal 52 and the lower edge of the third sheet metal 53 are matched. The edges are welded to each other (step S2 in FIG. 14) with the 53d butted against each other (step S1 in FIG. 14). That is, since each sheet metal is welded to each other without a gap between the sheet metals, the dimensional accuracy of the entire rear frame 50 can be ensured and the strength can be improved.

The present invention is not limited to the embodiments described above, 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, there is.
For example, although the rear frame 50 described above is composed of these three sheet metals of the first sheet metal 51, the second sheet metal 52, and the third sheet metal 53, it may be composed of two sheet metals of the first sheet metal 51 and the second sheet metal 52. It may be good, or it may be composed of four or more sheet metals. Further, in the present embodiment, the frame integrated by welding a plurality of sheet metals is only the rear frame 50, but the front frame 49 (see FIG. 3) may also be a frame integrated by welding a plurality of sheet metals in the same manner. In that case, the front frame 49 may be formed by welding two sheets of metal.

Further, in the present embodiment, the frame integrated by welding a plurality of sheet metals is the rear frame 50 constituting the substrate of the printer 1 as a recording device, but it can also be applied to a device for transporting other media. For example, the recording system 100 shown in FIG. 15 includes an intermediate transfer device 70 and a post-processing device 80 in addition to the printer 1 described above. The printer 1 and the intermediate transfer device 70 are connected by a connection unit 68, and a medium is fed from the printer 1 to the intermediate transfer device 70 via the connection unit 68. By transporting the medium through the intermediate transport device 70, the ink drying time is secured. The internal configuration of the intermediate transfer device 70 is not shown and described.

The intermediate transfer device 70 and the post-processing device 80 are connected by a connection unit 69, and the medium is sent from the intermediate transfer device 70 to the post-processing device 80 via the connection unit 69. The medium is ejected after being punched in the post-processing device 80, stapled, or the like. The internal configuration of the post-processing device 80 is not shown and described.

The intermediate transfer device 70 includes a frame 74 that constitutes a substrate of the device, and a component (not shown) is supported by the frame 74. The frame 74 includes a first sheet metal 71, a second sheet metal 72, and a third sheet metal 73. The first sheet metal 71, the second sheet metal 72, and the third sheet metal 73 are welded and integrated between the respective sheet metals in the same manner as the rear frame 50 described above.

The aftertreatment device 80 includes a frame 84 constituting the substrate of the device, and the frame 84 supports components (not shown). The frame 84 includes a first sheet metal 81, a second sheet metal 82, and a third sheet metal 83. The first sheet metal 81, the second sheet metal 82, and the third sheet metal 83 are welded and integrated between the respective sheet metals in the same manner as the rear frame 50 described above.
In the intermediate transfer device 70 and the post-processing device 80 as described above, that is, the medium transfer device for transporting the medium, the manufacturing cost of the frame can be suppressed as in the printer 1 described above.

1 ... Inkjet printer, 1a ... Feeding unit, 1b ... Recording unit, 1c ... Discharge unit, 2 ... Device main body, 3 ... First medium cassette, 4 ... Second medium cassette, 5 ... Ink accommodating unit, 7 ... Conveying belt , 8a, 8b ... Pulley, 9, 10 ... Pick roller, 11, 12 ... Feed roller pair, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 ... Conveyor roller pair, 23, 24 ... flap, 25 ... motion unit, 26 ... first side frame, 27 ... second side frame, 28 ... first connection frame, 29 ... second connection frame, 30 ... third connection frame, 31 ... cap carriage, 32 ... Cap, 33 ... head unit, 34 ... line head, 35 ... ink ejection surface, 36 ... wiper carriage, 37 ... wiper, 38 ... discharge tray, 49 ... front frame, 50 ... rear frame, 51 ... first sheet metal, 51a ... Main frame part, 51b, 51c ... Side frame part, 51d ... Upper edge, 51f, 51g, 51h, 51j, 51k, 51m, 51n ... Opening, 52 ... Second sheet metal, 52a ... Main frame part, 52b, 52c ... Side frame part, 52d ... upper edge, 52e ... lower edge, 52f ... opening, 53 ... third sheet metal, 53a ... main frame part, 53b, 53c ... side frame part, 53d ... lower edge, 55 ... first reinforcing member , 56 ... second reinforcing member, 57 ... common reinforcing member, 57a ... first frame portion, 57b ... first frame edge, 57c ... second frame portion, 57d ... second frame edge, 58 ... third reinforcing member, 58a. ... 1st frame portion, 58b ... 1st frame edge, 58c ... 2nd frame portion, 58d ... 2nd frame edge, 58e ... 3rd frame portion, 58f ... 3rd frame edge, 61 ... 1st joining line, 62 ... 2nd joining line, 67 ... receiving part, 90 ... medium transfer device, 100 ... recording system

Claims (9)

A medium transport device that transports media
With a frame that forms a surface along the sides of the device,
The frame is a frame in which a first sheet metal and a second sheet metal are welded and integrated.
A medium transfer device characterized by this. The medium transfer device according to claim 1 includes a reinforcing member that is arranged over the first sheet metal and the second sheet metal and is welded to the first sheet metal and the second sheet metal.
A medium transfer device characterized by this. A recording device having a recording unit for recording on a medium.
With a frame that forms a surface along the sides of the device,
The frame is a frame in which a first sheet metal and a second sheet metal are welded and integrated.
A recording device characterized by that. The recording device according to claim 3 includes a feeding unit located below the recording unit and supplying a medium to the recording unit.
The second sheet metal is located above the first sheet metal and is located above the first sheet metal.
The first sheet metal supports the feeding section and
The second sheet metal supports the recording unit.
A recording device characterized by that. The recording device according to claim 4 includes a discharge unit located above the recording unit and discharging a medium recorded by the recording unit.
The frame is located above the second sheet metal and comprises a third sheet metal welded and integrated with the second sheet metal.
The third sheet metal supports the discharge portion.
A recording device characterized by that. In the recording device according to claim 5, a first reinforcing member arranged over the first sheet metal and the second sheet metal and welded to the first sheet metal and the second sheet metal.
A second reinforcing member arranged over the second sheet metal and the third sheet metal and welded to the second sheet metal and the third sheet metal is provided.
A recording device characterized by that. In the recording device according to claim 6, a common member is used for the first reinforcing member and the second reinforcing member.
A recording device characterized by that. A method for manufacturing a frame that forms a surface along a side surface of a medium transporting device for transporting a medium.
Including the step of welding the first sheet metal and the second sheet metal to form an integrated frame.
A method of manufacturing a frame, which is characterized by the fact that. In the method for manufacturing a frame according to claim 8, the first edge and the second edge are welded in a state where the first edge of the first sheet metal and the second edge of the second sheet metal are butted against each other.
A method of manufacturing a frame, which is characterized by the fact that.

Images