JP2020183314A - Printing machine - Google Patents

Abstract

To provide a printing machine capable of simplifying a work of routing a roll medium.SOLUTION: A printing machine 10 includes a printing unit 20, a feeding roller 31, and a roll medium conveying mechanism 50. The feeding roller 31 and a roll medium 1 which is a roll-shaped printing medium are fed and supplied. A printing unit 20 executes printing on the roll medium 1 supplied from the feeding roller 31. The roll medium conveying mechanism 50 conveys a tip of the roll medium 1 fed from the feeding roller 31 arranged on a lower side in a vertical direction of the printing unit 20 to the vicinity of the printing unit 20.SELECTED DRAWING: Figure 1

Description

The present invention relates to a printing press.

As a printing machine that prints on a roll medium, which is a roll-shaped printing medium, a configuration is known in which a roll medium before printing is introduced from one side of a print head and a roll medium after printing is discharged from the other side of the print head. (For example, Patent Document 1).

JP-A-2018-154424

In the printing machine described in Patent Document 1, a roll holder for holding the roll medium before printing is provided on one side of the print head, and a media winder for holding the roll medium after printing is provided on the other side of the print head. Has been printed. In this configuration, the work of setting the roll medium before printing in the roll holder is executed on one side of the printing machine, and the work of taking out the roll medium after printing from the media winder is executed on the other side of the printing machine. There is a need. For this reason, the work is performed across one side and the other side of the printing machine, which causes a problem that the work becomes complicated. In addition, there is a problem that the space required for work must be secured on both one side and the other side of the printing machine.

In view of this problem, the roll medium before printing may be arranged on the lower side in the vertical direction of the print head. However, there still remains the problem that the routing work, which is the work of introducing the roll medium before printing to the print head, becomes complicated.

The present invention has been made in view of the above, and an object of the present invention is to provide a printing machine capable of simplifying the work of routing a roll medium.

In order to solve the above-mentioned problems and achieve the object, the printing machine of the present invention uses a feeding roller that feeds and supplies a roll medium, which is a roll-shaped printing medium, and a roll medium supplied from the feeding roller. A printing unit that executes printing and a roll medium conveying mechanism that conveys the tip of the roll medium fed from the feeding roller arranged on the lower side in the vertical direction of the printing unit to the vicinity of the printing unit are provided. It is characterized by that.

In this configuration, it is preferable to further include a sandwiching and transporting roller provided in the vicinity of the printing unit and sandwiching and transporting the tip of the roll medium conveyed by the roll medium conveying mechanism.

In these configurations, a take-up roller for winding the roll medium on which printing has been executed in the printing unit is further provided, and the feeding roller and the take-up roller are arranged so as to overlap each other on the lower side in the vertical direction of the printing unit. It is preferable that it is provided. Further, it is more preferable that the feeding roller is arranged on the lower side in the vertical direction of the winding roller.

According to the present invention, it is possible to provide a printing machine capable of simplifying the work of routing the roll medium.

FIG. 1 is a schematic side view showing an outline of the printing machine according to the first embodiment. FIG. 2 is a schematic perspective view showing an outline of the roll medium transport mechanism according to the first embodiment. FIG. 3 is a schematic rear view showing an outline of the roll medium transport mechanism according to the first embodiment. FIG. 4 is a schematic rear view showing a part of the outline of the roll medium transport mechanism according to the first embodiment. FIG. 5 is a schematic rear view showing another part of the outline of the roll medium transport mechanism according to the first embodiment. FIG. 6 is a schematic side view showing an outline of a first modification of the printing machine according to the first embodiment. FIG. 7 is a schematic side view showing an outline of a second modification of the printing machine according to the first embodiment. FIG. 8 is a schematic side view showing an outline of the printing machine according to the second embodiment. FIG. 9 is a schematic perspective view showing an outline of the roll medium transport mechanism according to the second embodiment. FIG. 10 is a schematic side view showing an outline of the printing machine according to the third embodiment. FIG. 11 is a schematic side view showing an outline of the printing machine according to the fourth embodiment. FIG. 12 is a schematic perspective view showing an outline of the roll medium transport mechanism according to the fourth embodiment.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings. The present invention is not limited to this embodiment. In addition, the components in the following embodiments include those that can be easily replaced by those skilled in the art, or those that are substantially the same. Further, the components described below can be appropriately combined, and when there are a plurality of embodiments, the respective embodiments can be combined.

In the following description, the XYZ Cartesian coordinate system is set, and the positional relationship of each part will be described with reference to the XYZ Cartesian coordinate system. The direction parallel to the X-axis of the predetermined surface is the X-axis direction, the direction parallel to the Y-axis orthogonal to the X-axis on the predetermined surface is the Y-axis direction, and the direction parallel to the Z-axis orthogonal to the predetermined surface is the Z-axis direction. And.

[Embodiment 1]
FIG. 1 is a schematic side view showing an outline of the printing press 10 according to the first embodiment. In the following, first, the details of the printing machine 10 according to the first embodiment will be described with reference to FIG. In the present embodiment, the positional relationship of each part will be described based on the local coordinate system defined in the printing machine 10. The local coordinate system is defined by the XYZ Cartesian coordinate system, as shown in FIG. The direction parallel to the X-axis in the predetermined plane is defined as the X-axis direction. The direction parallel to the Y-axis in a predetermined plane orthogonal to the X-axis is defined as the Y-axis direction. The direction parallel to the Z-axis orthogonal to the predetermined surface is defined as the Z-axis direction. Further, in the present embodiment, the plane including the X-axis and the Y-axis is appropriately referred to as an XY plane. The plane including the X-axis and the Z-axis is appropriately referred to as an XZ plane. The plane including the Y-axis and the Z-axis is appropriately referred to as a YZ plane. The XY plane is parallel to the predetermined plane. The XY plane, the XZ plane, and the YZ plane are orthogonal to each other. Further, in the present embodiment, the XY plane and the horizontal plane are parallel. The −X direction is the rear side of the printing machine 10, and is the roll medium 1, which is a roll-shaped printing medium used for the printing process of the printing machine 10, that is, the introduction side of the roll medium 1 before printing. The + X direction is the front side of the printing machine 10, and is the roll medium 1 used for the printing process of the printing machine 10, that is, the discharge side of the roll medium 1 after printing. The + Y direction is the right side direction of the printing machine 10 when viewed from the front side of the printing machine 10, and the −Y direction is the left side direction of the printing machine 10 when viewed from the front side of the printing machine 10. The + Z direction is the upward direction of the printing press 10, and the −Z direction is the downward direction of the printing press 10. The XY plane may be inclined with respect to the horizontal plane.

As shown in FIG. 1, the printing machine 10 is a device for printing the roll medium 1, which is a roll-shaped printing medium, and includes a printing unit 20, a roll holder 30, a media winder 40, and a roll medium transport mechanism. A 50, a pair of sandwiching and conveying rollers 60, and a control unit 70 for controlling each unit are provided.

The printing machine 10 includes a stand 12 provided upright in the + Z direction. Further, the printing machine 10 includes a housing portion 16 provided in the + Z direction further than the stand 12. The printing machine 10 includes a printing unit facing portion 22 provided in the + Z direction of the stand 12. The printing unit 20 is provided in the + Z direction further than the printing unit facing unit 22. The printing unit 20 and the printing unit facing portion 22 face each other in the Z-axis direction. The printing unit 20 is located in the Z-axis direction between the printing position where the housing unit 16 executes the printing operation on the roll medium 1 passing under the printing unit 20 and the retracted position retracted in the + Z direction from the printing position. It is supported so that it can be moved to. The printing portion facing portion 22 is supported by the stand 12 from the −Z direction, and is supported by the housing portion 16 in the Y-axis direction.

Under the control of the control unit 70, the printing unit 20 introduces the roll medium 1 from the rear side in the −X direction, and executes a printing operation such as ejecting ink to the upper surface of the roll medium 1 before printing. Then, it is discharged in the + X direction on the front side. An example of the printing unit 20 is a printing head that ejects ink. The printing unit facing unit 22 cooperates with the printing unit 20 to dry and fix the ink or the like ejected by the printing unit 20, or to direct the roll medium 1 used for printing from the rear side to the front side. It has various mechanisms for executing a printing assisting operation that assists the printing operation by the printing unit 20, such as an operation of transporting the ink. The electric circuits and the like necessary for the cooperation between the printing unit 20 and the printing unit facing unit 22 and the operation of each unit are wired inside the housing unit 16.

The printing machine 10 includes an discharge guiding unit 14 provided on the front side of the printing unit facing unit 22. The discharge guiding unit 14 comprises a plurality of rollers arranged in a smooth curved line along a path from the front side of the upper surface of the printing unit facing portion 22 that supports the roll medium 1 from below toward the media winder 40 described later. Have. The discharge guidance unit 14 guides the roll medium 1 that has been printed by the printing unit 20 and discharged by the plurality of rollers toward the media winder 40. The discharge guiding unit 14 is not limited to the form having a plurality of rollers in the present invention, and may be in any form as long as the roll medium 1 is guided toward the media winder 40. ..

The roll holder 30 holds the roll medium 1 before printing by the printing unit 20. The roll holder 30 includes a feeding roller 31 that feeds and supplies the roll medium 1 held by the roll holder 30. Under the control of the control unit 70, the feeding roller 31 carries the roll medium 1 by the printing unit 20 and the printing unit facing unit 22, the winding operation of the roll medium 1 by the winding roller 41 described later, and the winding operation of the roll medium 1 described later. The roll medium 1 is supplied from the roll holder 30 toward the printing unit 20 in cooperation with the transfer operation of the roll medium 1 by the pair of sandwiching transfer rollers 60.

The media winder 40 includes a take-up roller 41 that winds up the roll medium 1 after printing that has been printed by the printing unit 20, and holds the roll medium 1 that has been taken up by the take-up roller 41. Under the control of the control unit 70, the take-up roller 41 conveys the roll medium 1 by the printing unit 20 and the printing unit facing unit 22, feeds the roll medium 1 by the feeding roller 31, and holds a pair of sandwiches, which will be described later. In cooperation with the transport operation of the roll medium 1 by the transport roller 60, the roll medium 1 is promoted to be discharged from the printing unit 20 along the discharge guide unit 14, and is wound into a roll shape.

As shown in FIG. 1, the feeding roller 31 included in the roll holder 30 is arranged in a region on the lower side in the vertical direction of the printing unit 20. Further, the take-up roller 41 included in the media take-up machine 40 is arranged in a region on the lower side in the vertical direction of the printing unit 20 as shown in FIG. 1, similarly to the take-out roller 31. As shown in FIG. 1, the feeding roller 31 and the take-up roller 41 are preferably arranged so as to be overlapped on the lower side in the vertical direction of the printing unit 20. Further, as shown in FIG. 1, the feeding roller 31 is more preferably arranged on the lower side in the vertical direction of the winding roller 41.

It is preferable that both the feeding roller 31 and the winding roller 41 are arranged on the front side of the printing unit 20. That is, it is preferable that both the feeding roller 31 and the winding roller 41 are arranged on the front side of the stand 12 below the printing unit 20. The present invention is not limited to this, and the feeding roller 31 and the take-up roller 41 are both rearward of the printing unit 20 if the roll medium 1 can be routed from the front side, that is, , It may be arranged on the rear side of the stand 12 below the printing unit 20.

The roll medium transport mechanism 50 transports the roll medium 1 fed from the feeding roller 31 of the roll holder 30 to the vicinity of the printing unit 20. Here, the vicinity of the printing unit 20 means that the area within the distance corresponding to the area printed by one printing process is within the area where the printing process is executed in the printing unit 20.

Specifically, as in the present embodiment, the roll medium transport mechanism 50 transports the tip of the roll medium 1 fed from the feeding roller 31 to the rear side, that is, the upstream side of the printing unit 20. In the printing machine 10 according to the first embodiment, the roll medium transport mechanism 50 is provided from the roll holder 30 below the printing unit 20 to the rear side of the printing unit 20. The roll medium transfer mechanism 50 is not limited to this in the present embodiment, and may be a form in which the tip of the roll medium 1 is conveyed to the front side of the printing unit 20, and is located above the printing unit 20 in the vicinity of the printing unit 20. It may be transported to an appropriate position below.

In the printing machine 10 according to the first embodiment, the roll medium transport mechanism 50 includes a grip portion 51, guide rails 53 and 54, a string member 56, a string member hoisting machine 58, and a medium, as shown in FIG. A support rotating roller 59 is provided.

The grip portion 51 grips the tip of the roll medium 1. The grip portion 51 may automatically switch between the grip state in which the tip of the roll medium 1 is gripped and the grip release state in which the grip is released by the control unit 70 or the like, or the printing according to the first embodiment. The operator using the machine 10 may switch manually. As the grip portion 51, for example, a clip that sandwiches the tip of the roll medium 1 from both sides is preferably used. The rear side of the grip portion 51 is guided by the rear side guide rail 53, and the front side is guided by the front side guide rail 54. That is, the grip portion 51 is provided so as to be able to come and go in a predetermined movement path defined by the guide rails 53 and 54.

The guide rails 53 and 54 are provided at a portion that passes below the printing unit 20 from the roll holder 30 and extends to the rear side of the printing unit 20. In the present embodiment, the guide rails 53 and 54 are both supported by the stand 12 on the lower side and supported by the housing portion 16 on the upper side, but the present invention is not limited to this, and the guide rails 53 and 54 are sufficiently supported and fixed. As long as it is done, it may be in any mode.

The guide rails 53 and 54 guide the grip portion 51. Specifically, the guide rail 53 on the rear side guides the rear side of the grip portion 51. The guide rail 53 on the rear side indirectly guides the rear side of the roll medium 1 by guiding the rear side of the grip portion 51. Further, the guide rail 54 on the front side guides the front side of the grip portion 51. The guide rail 54 on the front side indirectly guides the front side of the roll medium 1 by guiding the front side of the grip portion 51.

The rear side guide rail 53 and the front side guide rail 54 face each other in the X-axis direction via the grip portion 51, the roll medium 1 gripped by the grip portion 51, the grip portion 51, and the movement path of the roll medium 1. doing. Since the rear side guide rail 53 is provided so as to wrap around the rear side more than the front side guide rail 54, it is formed larger than the front side guide rail 54.

One end of the string member 56 is attached to the side opposite to the side that grips the tip of the roll medium 1 of the grip portion 51. The other end of the string member 56 is attached to the outer peripheral surface of the string member hoisting machine 58, which will be described later. The other end side of the string member 56 is wound up by the string member hoisting machine 58, so that the grip portion 51 gripping the tip of the roll medium 1 is pulled up, and the roll medium 1 gripped by the grip portion 51 is pulled from the tip side. It can be pulled up and moved from the lower side to the upper side along the guide rails 53 and 54.

The string member hoisting machine 58 is rotatably attached to the upper side of the guide rail 53 on the rear side. In the string member hoisting machine 58, the other end side of the string member 56 is attached to the outer peripheral surface. The string member hoisting machine 58 can wind and unwind the other end side of the string member 56 attached to the outer peripheral surface by rotating under the control of the control unit 70. In the present invention, the string member hoisting machine 58 is not limited to the form in which the string member hoisting machine 58 is rotated under the control of the control unit 70, and the other end of the string member 56 can be manually added by the operator. The side may be wound up or unwound.

In the printing machine 10 according to the first embodiment, the string member hoisting machine 58 rotates clockwise in FIG. 1 and winds the other end side of the string member 56 to be gripped by the grip portion 51 and the grip portion 51. The rolled medium 1 can be pulled up and moved from the lower side to the upper side along the guide rails 53 and 54. Further, in the printing machine 10 according to the first embodiment, the string member hoisting machine 58 rotates in the counterclockwise direction in FIG. 1 to extend the other end side of the string member 56, so that the roll medium 1 is not gripped. The grip portion 51 in the released state can be pulled down and moved from the upper side to the lower side along the guide rails 53 and 54. In the present invention, the string member hoisting machine 58 is not limited to this embodiment, and the rotation direction in any one direction is defined as the forward rotation for winding the other end side of the string member 56, and the rotation direction in any other direction. May be in the form of reverse rotation in which the other end side of the string member 56 is extended.

The medium support rotating roller 59 is rotatably attached to the upper side of the guide rail 54 on the front side. The medium support rotating roller 59 is provided on the lower side of the string member hoisting machine 58. The string member hoisting machine 58 and the medium support rotating roller 59 are provided so as to face each other in the Z-axis direction. The medium-supporting rotary roller 59 holds the roll medium 1 whose tip is gripped by the grip portion 51 pulled up by the string member hoisting machine 58 winding the other end side of the string member 56 on the outer peripheral surface. It can be supported from the front side.

Further, the medium support rotating roller 59 comes into contact with the string member 56 hanging from the outer peripheral surface on the rear side of the string member hoisting machine 58 on the outer peripheral surface, thereby reducing the entanglement of one end side of the string member 56 and the string. The position of the member 56 on the movement path in the guide rails 53 and 54 on one end side can be stabilized.

The roll medium transport mechanism 50 includes a medium support rotating roller 59 in the present embodiment, but is not limited to this in the present invention. For example, the paths of the guide rails 53 and 54 and the grip portion 51 are smooth curves. If it is in the shape, it may not be provided with the medium support rotating roller 59. In this case, the movement path of the string member 56 is suitably stabilized by the guide rails 53 and 54 and the sliding members 52A and 52B described later.

The pair of sandwiching and conveying rollers 60 are provided in the vicinity of the printing unit 20 and sandwich and convey the tip of the roll medium 1 conveyed by the roll medium conveying mechanism 50. That is, the pair of sandwiching and conveying rollers 60 are provided at positions where the tip of the roll medium 1 is conveyed by the roll medium conveying mechanism 50.

In this embodiment, the pair of sandwiching and conveying rollers 60 are provided on the rear side of the printing unit 20 as shown in FIG. The pair of sandwiching and conveying rollers 60 sandwiches the roll medium 1, and the sandwiched roll medium 1 is an area between the printing unit 20 and the printing unit facing portion 22, and the area where the printing process is performed by the printing unit 20. Introduce to the print area. The introduction operation of the pair of sandwiching and conveying rollers 60 into the roll medium 1 includes the conveying operation of the roll medium 1 by the printing unit 20 and the printing unit facing portion 22, the feeding operation of the roll medium 1 by the feeding roller 31, and the winding roller 41. It is executed in cooperation with the winding operation of the roll medium 1 by. In the printing press 10 according to the first embodiment, only one pair of sandwiching and conveying rollers 60 is illustrated and described in FIG. 1, but it is preferable to have at least one pair, and two or more pairs are provided. Is also preferable.

The pair of sandwiching transfer rollers 60 includes a movable sandwiching roller 61 and a fixed sandwiching roller 62. Both the movable holding roller 61 and the fixed holding roller 62 are supported by the housing portion 16. The fixed holding roller 62 is rotatably fixedly provided on the rear side of the printing unit 20, and holds and introduces the roll medium 1 from below. The movable holding roller 61 is provided above the fixed holding roller 62. The movable holding roller 61 and the fixed holding roller 62 are provided so as to face each other in the Z-axis direction. The movable pinching roller 61 is located in the Z-axis direction between a pinching position in which the roll medium 1 is supported and introduced by approaching the fixed pinching roller 62 from above and a retracting position retracted in the + Z direction from the pinching position. It is movable and rotatably supported.

Since the roll medium transfer mechanism 50 and the pair of sandwiching transfer rollers 60 have the above-described configuration, the roll medium transfer mechanism 50 reaches the sandwiching position where the pair of sandwiching transfer rollers 60 sandwich the roll medium 1. Can be transported. When the roll medium 1 is conveyed to the holding position, it means that the roll medium 1 is conveyed to the position of the tip of the roll medium 1 which can be pulled up to a position between the movable holding roller 61 and the fixed holding roller 62. In the printing machine 10 according to the first embodiment, it is exemplified that the printing machine 10 is conveyed to the position of the upper surface of the fixed holding roller 62 or the position of the upper surface of the printing unit facing portion 22.

In the printing machine 10 according to the first embodiment, the roll medium 1 conveyed to the position of the upper surface of the fixed holding roller 62 or the position of the upper surface of the printing portion facing portion 22 presses the tip of the roll medium 1 to hold the grip portion 51. As the gripping / releasing state of the roll medium 1, it is possible to hold the roll medium 1 between the movable holding roller 61 and the fixed holding roller 62.

The control unit 70 includes a computer system that controls the printing press 10 according to the first embodiment. The control unit 70 includes a processing device (not shown) including a microprocessor such as a CPU (Central Processing Unit), and a non-volatile memory such as ROM (Read Only Memory) or storage and RAM (Random Access Memory). It has a storage device (not shown) including a volatile memory, and an input / output interface (not shown) including an input / output circuit capable of inputting / outputting signals and data.

The processing apparatus of the control unit 70 executes various computer processing for controlling the printing press 10 according to the first embodiment. The storage device of the control unit 70 stores various information necessary for computer processing executed by the processing device of the control unit 70. The input / output interface of the control unit 70 includes each device necessary for acquiring various information necessary for computer processing executed by the processing device of the control unit 70 such as an input device (not shown), and the printing unit 20, Each device to be controlled by the control unit 70 such as the string member hoisting machine 58 and the movable holding roller 61 is connected. An example of the input device (not shown) is one or a plurality of buttons that can be pressed by an operator using the printing machine 10 according to the first embodiment.

FIG. 2 is a schematic perspective view showing an outline of the roll medium transport mechanism 50 according to the first embodiment. FIG. 3 is a schematic rear view showing an outline of the roll medium transport mechanism 50 according to the first embodiment. FIG. 4 is a schematic rear view showing a part of the outline of the roll medium transport mechanism 50 according to the first embodiment. FIG. 5 is a schematic rear view showing another part of the outline of the roll medium transport mechanism 50 according to the first embodiment. 2 and 3 show almost all the configurations of the roll medium transport mechanism 50, but FIG. 4 shows mainly the other configurations by omitting the grip portion 51 and the string member 56. Shows a part of the configuration centering on the configuration omitted in FIG. In the following, the details of the roll medium transfer mechanism 50 in the printing machine 10 according to the first embodiment will be further described with reference to FIGS. 2, 3, 4, and 5. The form of the roll medium transport mechanism 50 is an example of the present invention, and the present invention is not limited to the form described in detail below.

As shown in FIGS. 2, 3 and 4, the guide rails 53 on the rear side and the guide rails 54 on the front side of the roll medium transfer mechanism 50 are both provided in pairs on both ends in the width direction of the roll medium 1. .. Specifically, the rear side guide rails 53 are a pair of rear side guide rails 53A and 53B, that is, rear side guide rails 53A provided on the −Y direction side and rearward side provided on the + Y direction side. A guide rail 53B on the side is provided. Further, the front side guide rails 54 are a pair of front side guide rails 54A and 54B, that is, a front side guide rail 54A provided on the −Y direction side and a front side guide provided on the + Y direction side. It includes a rail 54B. Here, the −Y direction side and the + Y direction side are relative explanations of the coordinates of one (for example, guide rails 53A, 54A) and the other (for example, guide rails 53B, 54B), and the coordinates are taken. Depending on the direction, both Y coordinates may be negative, and both Y coordinates may be positive.

As shown in FIGS. 3 and 4, the rear side guide rail 53A and the front side guide rail 54A are supported by the stand 12A, which is a portion of the stand 12 on the −Y direction side. As shown in FIGS. 3 and 4, the rear side guide rail 53B and the front side guide rail 54B are supported by the stand 12B, which is a portion of the stand 12 on the + Y direction side. The support form of the guide rails 53A, 53B, 54A, 54B is not limited to the above form in the present invention, and other forms may be taken.

The pair of rear guide rails 53A and 53B are provided apart from each other, and the separation width is longer than the roll width of the roll medium 1. Further, the pair of front side guide rails 54A and 54B are provided so as to be separated from each other, and the separation width is longer than the roll width of the roll medium 1. The separation width of the pair of rear guide rails 53A and 53B and the separation width of the pair of front guide rails 54A and 54B are the same.

The rear side guide rail 53A and the front side guide rail 54A are provided in the same XZ plane, the rear side guide rail 53B and the front side guide rail 54B are provided in the same XZ plane, and the rear side guide rail 53A. The difference between the Y coordinate of the front side guide rail 54A and the Y coordinate of the rear side guide rail 53B and the front side guide rail 54B is the above separation width.

The Y coordinate of the end portion of the roll medium 1 on the −Y direction side is in the + Y direction, that is, inside the Y coordinate of the rear guide rail 53A and the front guide rail 54A. Further, the Y coordinate of the end portion of the roll medium 1 on the + Y direction side is in the −Y direction, that is, inside the Y coordinate of the Y coordinate of the guide rail 53B on the rear side and the guide rail 54B on the front side. Therefore, the pair of rear side guide rails 53A and 53B and the pair of front side guide rails 54A and 54B do not come into contact with the printing surface to be printed by the printing unit 20 of the roll medium 1 without contacting the roll medium. It can contribute to the transfer of 1 to the printing unit 20.

As shown in FIGS. 2, 3 and 5, the string members 56 of the roll medium transport mechanism 50 are provided in pairs on both ends in the width direction of the roll medium 1. Specifically, the string member 56 includes a pair of string members 56A and 56B, that is, a string member 56A provided on the −Y direction side and a string member 56B provided on the + Y direction side. In the present invention, the string member 56 is not limited to the form provided in pairs, and may have any form as long as it is one or more.

As shown in FIGS. 2, 3 and 5, the pair of string members 56A and 56B are attached to the string member hoisting machine 58 via the string member support portion 57. The string member support portion 57 stabilizes the attachment of the pair of string members 56A and 56B to the string member hoisting machine 58. Further, the string member support portion 57 maintains a state of being substantially parallel to each other while maintaining the separation width of the pair of string members 56A and 56B described later, and the string member hoisting machine 58 maintains the pair of string members 56A and 56B. Assists in being wound up.

The pair of string members 56A and 56B are provided apart from each other, and the separation width thereof is longer than the roll width of the roll medium 1 in the present embodiment. The Y coordinate of the end portion of the roll medium 1 on the −Y direction side is in the + Y direction, that is, inside the Y coordinate of the string member 56A. Further, the Y coordinate of the end portion of the roll medium 1 on the + Y direction side is in the −Y direction, that is, inside the Y coordinate of the Y coordinate of the string member 56B. Therefore, the pair of string members 56A and 56B can contribute to the transport of the roll medium 1 to the printing unit 20 without coming into contact with the printing surface to be printed by the printing unit 20 of the roll medium 1. ..

In the present invention, the pair of string members 56A and 56B are not limited to the above-mentioned form, and a form in which the separation width is shorter than the roll width of the roll medium 1 is preferably adopted. In this case, the operator after winding up. It is possible to reduce the possibility of affecting the work and the like.

The pair of string members 56A and 56B are provided inside the pair of guide rails 53A and 53B on the rear side in the width direction. Further, the pair of string members 56A and 56B are provided inside the pair of guide rails 54A and 54B on the front side in the width direction. That is, the separation width of the pair of string members 56A and 56B is shorter than the separation width of the pair of rear side guide rails 53A and 53B, and shorter than the separation width of the pair of front side guide rails 54A and 54B.

The Y coordinate of the string member 56A is in the + Y direction, that is, inside the Y coordinate of the rear side guide rail 53A and the front side guide rail 54A. Further, the Y coordinate of the string member 56B is in the −Y direction, that is, inside the Y coordinate of the Y coordinate of the guide rail 53B on the rear side and the guide rail 54B on the front side. Therefore, the pair of string members 56A and 56B do not interfere with the pair of rear side guide rails 53A and 53B and the pair of front side guide rails 54A and 54B without interfering with each other, and the printing portion 20 of the roll medium 1 Can contribute to transportation to.

As shown in FIGS. 2, 3, 4, and 5, the string member hoisting machine 58 of the roll medium transport mechanism 50 has a pair of rear guide rails 53A and 53B whose axial lengths are separated from each other. Equally provided between the pair of rear guide rails 53A, 53B. In the string member hoisting machine 58, the end portion on the −Y direction side is supported by the guide rail 53A on the rear side, and the end portion on the + Y direction side is supported by the guide rail 53B on the rear side.

As shown in FIGS. 2, 3 and 4, the medium-supporting rotary roller 59 of the roll medium transport mechanism 50 has a length in the axial direction equal to the separation width of the pair of front guide rails 54A and 54B, and is a pair. It is provided between the guide rails 54A and 54B on the front side. The end of the medium support rotary roller 59 on the −Y direction side is supported by the guide rail 54A on the front side, and the end on the + Y direction side is supported by the guide rail 54B on the front side.

As shown in FIGS. 2, 3 and 5, the grip portion 51 of the roll medium transport mechanism 50 is a rod-shaped grip rod longer than the roll width of the roll medium 1. The length of the grip portion 51, which is a rod-shaped grip rod, is longer than the separation width of the pair of rear side guide rails 53A and 53B, and longer than the separation width of the pair of front side guide rails 54A and 54B. Therefore, the grip portion 51, which is a rod-shaped grip rod, has its end on the −Y direction side inserted into the movement path groove formed by the guide rail 53A on the rear side and the guide rail 54A on the front side, and is on the + Y direction side. Is inserted into a movement path groove formed by the rear side guide rail 53B and the front side guide rail 54B, so that the pair of rear side guide rails 53A and 53B and the pair of front side guide rails 53A and 53B are arranged. In a state where the guide rails 54A and 54B of the above prevent the rails from coming off, the movement route is guided.

As shown in FIGS. 2, 3 and 5, the grip portion 51, which is a rod-shaped grip rod, is provided with sliding members 52A and 52B at both ends thereof. The sliding member 52A is provided at a position facing the rear side guide rail 53A and the front side guide rail 54A in a direction orthogonal to the Y-axis direction, and is provided on the rear side guide rail 53A and the front side guide rail 54A. While in contact with each other, the movement in the movement path groove formed by the rear side guide rail 53A and the front side guide rail 54A is facilitated. The sliding member 52B is provided at a position facing the rear side guide rail 53B and the front side guide rail 54B in a direction orthogonal to the Y-axis direction, and is provided on the rear side guide rail 53B and the front side guide rail 54B. While in contact with each other, the movement in the movement path groove formed by the rear side guide rail 53B and the front side guide rail 54B is facilitated. As the sliding members 52A and 52B, for example, bearing members such as bearings can be preferably used.

As shown in FIGS. 2, 3 and 4, the pair of rear guide rails 53A and 53B are provided with a pair of temporary roll placing bars 32 at positions below the roll holder 30. Each of the pair of temporary roll placing bars 32 has an axial length equal to the separation width of the pair of rear side guide rails 53A and 53B, and is provided between the pair of rear side guide rails 53A and 53B. There is. In each of the pair of temporary roll placing bars 32, the end portion on the −Y direction side is supported by the guide rail 53A on the rear side, and the end portion on the + Y direction side is supported by the guide rail 53B on the rear side. The separation width between the pair of roll temporary placement bars 32 is set to be shorter than the diameter of the roll medium 1 in the undrawn state.

An example of the operation of the printing machine 10 according to the first embodiment having the above configuration will be described below. First, the operator using the printing machine 10 according to the first embodiment first temporarily places the roll medium 1 in the undelivered state from the front side of the printing machine 10 in order to perform the printing process of the printing unit 20. Temporarily placed on the bar 32, and then attached to the roll holder 30 to hold it. Further, the operator winds the roll core 1 in the state where the roll medium 1 is not wound from the front side of the printing machine 10 in order to wind the roll medium 1 subjected to the printing process of the printing unit 20. It is attached to the machine 40 and held.

Next, the operator feeds out the tip of the roll medium 1 mounted on the roll holder 30 from the front side of the printing machine 10 by the feeding roller 31, and causes the gripping portion 51 to grip the tip of the fed roll medium 1. Next, the operator presses a predetermined first button as an input device (not shown) provided on the front side surface of the housing portion 16 from the front side of the printing machine 10. As a result, the string member hoisting machine 58 rotates in the clockwise direction in FIG. 1 under the control of the control unit 70 that receives the input of pressing the predetermined first button, and the string member 56 (a pair of string members). By winding the other end side of the 56A, 56B), the roll medium 1 gripped by the grip portion 51 and the grip portion 51 is pulled up, and the guide rails 53, 54 (a pair of guide rails 53A, 53B, 54A, 54B) are pulled up. ) From the lower side to the upper side. By this movement, the tip of the roll medium 1 gripped by the grip portion 51 reaches the position of the upper surface of the fixed holding roller 62 or the position of the upper surface of the printing portion facing portion 22.

Then, the operator presses a predetermined second button as an input device (not shown) provided on the front side surface of the housing portion 16 from the front side of the printing machine 10. As a result, the printing unit 20 is controlled by the control unit 70 that receives the input of pressing the predetermined second button, and when it is in the printing position, it moves from the printing position to the retracted position in the + Z direction. An operator can work between the printing unit 20 and the printing unit facing unit 22.

Then, the operator presses a predetermined third button as an input device (not shown) provided on the front side surface of the housing portion 16 from the front side of the printing machine 10. As a result, the movable holding roller 61 moves from the retracted position to the holding position in the −Z direction under the control of the control unit 70 that receives the input of pressing the predetermined third button, and becomes the fixed holding roller 62. The tip of the roll medium 1 that has reached the position of the upper surface of the fixed holding roller 62 or the position of the upper surface of the printing portion facing portion 22 is sandwiched between the two.

Then, after the operator finishes the work between the printing unit 20 and the printing unit facing unit 22, the operator provides an input device (an input device) provided on the front side surface of the housing unit 16 from the front side of the printing machine 10. Press the predetermined fourth button (not shown). As a result, the feeding roller 31 starts feeding and supplying the roll medium 1 under the control of the control unit 70 that receives the input of pressing the predetermined fourth button. Further, the movable holding roller 61 receives the control of the control unit 70 that receives the input of pressing the predetermined fourth button, and holds the roll medium 1 sandwiched between the movable holding roller 61 and the fixed holding roller 62. Transport is started from the rear side to the front side. At the same time, the printing unit 20 and the printing unit facing unit 22 are introduced from the rear side, pass through the print area, and pass through the front side under the control of the control unit 70 that receives the input of pressing the predetermined fourth button. A printing process is performed on the roll medium 1 discharged toward.

Then, the operator grips the tip of the roll medium 1 after printing, which is printed from the front side of the printing machine 10 by the printing unit 20 and the printing unit facing unit 22 and discharged toward the front side. , The media winder 40 is guided by the winder 41 so that it can be wound. Finally, after the printing process on the roll medium 1 is completed, the operator removes the rolled-up printed roll medium 1 from the front side of the printing machine 10 from the media winder 40, and the printing machine 10 A series of work by the operator regarding the printing operation of is completed.

Since the printing machine 10 according to the first embodiment has the above-described configuration, the roll medium transport mechanism 50 has the tip of the roll medium 1 fed from the feeding roller 31 arranged on the lower side in the vertical direction of the printing unit 20. Since the printing unit 20 is transported to the vicinity of the printing unit 20, the operator pulls out the tip of the roll medium 1 from the feeding roller 31 in a bent posture, and then stands up and sets the tip of the roll medium 1 in a series of routing of the roll medium 1. The work can be simplified.

Further, the printing machine 10 according to the first embodiment is further provided with a sandwiching and conveying roller 60 which is provided in the vicinity of the printing unit 20 and which sandwiches and conveys the tip of the roll medium 1 conveyed by the roll medium conveying mechanism 50. Therefore, the printing machine 10 according to the first embodiment can further simplify the routing work of the roll medium 1 and improve the stability and certainty.

Further, the printing machine 10 according to the first embodiment further includes a take-up roller 41 that winds up the roll medium 1 that has been printed by the printing unit 20, and the feeding roller 31 and the take-up roller 41 are the printing unit 20. They are stacked on the lower side in the vertical direction. Therefore, the printing machine 10 according to the first embodiment can further reduce the size of the printing machine 10 itself in the horizontal plane direction while realizing the simplification of the routing work of the roll medium 1.

Further, in the printing machine 10 according to the first embodiment, the feeding roller 31 is arranged on the lower side in the vertical direction of the winding roller 41. Therefore, in the printing machine 10 according to the first embodiment, when the operator works on the front side of the printing machine 10 which is a position downstream of the rolling medium 1 in the transport direction with respect to the printing unit 20, the feeding roller 31 and the winding roller 31 Since 41 is not hidden by the roll medium 1 at all, troubles during printing can be easily dealt with. Further, since the printing machine 10 according to the first embodiment can work on the feeding roller 31 and the take-up roller 41 from the front side of the printing machine 10 which is a position downstream in the transport direction of the roll medium 1, the printing machine 10 can work. Since it is not necessary to secure a work space for the operator on the rear side of the printing machine 10, printing is performed by disposing the printing machine 10 with the rear side of the printing machine 10 in contact with the wall of the installation room of the printing machine 10. It is possible to reduce the dead space of the installation room of the machine 10 and enable effective activities of the installation room of the printing machine 10.

Further, in the printing machine 10 according to the first embodiment, in the present embodiment, the roll holder 30 provided with the feeding roller 31 and the media winding machine 40 provided with the winding roller 41 are both in front of the printing unit 20. Since it is arranged on the side, the work of setting the roll medium 1 before printing and the work of taking out the roll medium 1 after printing can be performed from the same side (front side) of the printing machine 10. As a result, the printing machine 10 according to the first embodiment can reduce the complexity of the work of setting the roll medium 1 before printing and the work of taking out the roll medium 1 after printing, and can save the work space. it can.

Further, in the printing machine 10 according to the first embodiment, the roll medium transport mechanism 50 extends from the roll holder 30 provided with the grip portion 51 for gripping the tip of the roll medium 1 and the feeding roller 31 to the rear side of the printing unit 20. The guide rails 53, 54 provided on the portion and guide the grip portion 51, the string member 56 attached to the grip portion 51, and the string member 56 are wound up and unwound to bring the grip portion 51 to the guide rail 53, A string member hoisting machine 58, which is moved along 54, is provided. Therefore, in the printing machine 10 according to the first embodiment, it is not necessary for the worker to go around to the opposite side (rear side) of the printing machine 10, and each part of the worker and the apparatus is subjected to printing processing other than the tip of the roll medium 1. From the roll holder 30 located on the front side of the printing unit 20 to the rear side of the printing unit 20 in a stable and reliable manner along the movement path defined by the guide rails 53 and 54, without touching the portion of the printing unit 20. The roll medium 1 can be conveyed to.

Further, in the printing machine 10 according to the first embodiment, guide rails 53A, 53B, 54A, 54B are provided in pairs on both ends in the width direction of the roll medium 1, and the string members 56A, 56B are provided in the width direction of the roll medium 1. It is on both end sides, and is provided in pairs on the inner side in the width direction of the pair of guide rails 53A, 53B, 54A, and 54B. Therefore, in the printing machine 10 according to the first embodiment, the pair of rear side guide rails 53A and 53B and the pair of front side guide rails 54A and 54B are printed by the printing unit 20 of the roll medium 1. It can contribute to the transfer of the roll medium 1 to the printing unit 20 without coming into contact with the printing surface. Further, in the printing machine 10 according to the first embodiment, the pair of string members 56A and 56B do not come into contact with the printing surface to be printed by the printing unit 20 of the roll medium 1, and the pair of rear side members. It is possible to contribute to the transport of the roll medium 1 to the printing unit 20 without interfering with the guide rails 53A and 53B and the pair of front guide rails 54A and 54B.

Further, in the printing machine 10 according to the first embodiment, the grip portion 51 is a rod-shaped grip rod longer than the width of the roll medium 1, and sliding members 52A and 52B are provided at both ends of the grip rod. Therefore, the printing machine 10 according to the first embodiment moves in a state where the grip portion 51 is prevented from coming off by a pair of rear side guide rails 53A and 53B and a pair of front side guide rails 54A and 54B. The route is guided. Further, in the printing machine 10 according to the first embodiment, the sliding members 52A and 52B are in contact with the rear side guide rails 53A and 53B and the front side guide rails 54A and 54B, while the rear side guide rails 53A and 53B. And the movement in the movement path groove formed by the guide rails 54A and 54B on the front side is facilitated.

[First modification]
FIG. 6 is a schematic side view showing an outline of the printing machine 110 which is the first modification of the printing machine 10 according to the first embodiment. In the following, the details of the printing press 110 according to the first modification will be described with reference to FIG. As shown in FIG. 6, the printing machine 110 according to the first modification changes the roll holder 30 to the roll holder 130 and changes the media winder 40 to the media winder 140 in the printing machine 10 according to the first embodiment. The roll medium transfer mechanism 50 is changed to the roll medium transfer mechanism 150. In the description of the first modification of the first embodiment, the same code group as that of the first embodiment is used in the same configuration as the description of the first embodiment, and the detailed description thereof will be omitted.

As shown in FIG. 6, the roll holder 130 is formed by changing the position of the roll holder 30 from the lower portion of the stand 12 to the upper portion of the stand 12, and the feeding roller 31 is formed. Its functions are the same, such as providing. As a result, the roll holder 130 is formed in the roll holder 30 in the region above the media winder 140, which will be described later, instead of being formed in the region below the media winder 40.

As shown in FIG. 6, the media winder 140 is formed by changing the position of the media winder 40 from the upper portion of the stand 12 to the lower portion of the stand 12. Its functions are the same, such as including the taking roller 41. As a result, the media winder 140 is formed in the region below the roll holder 130 instead of being formed in the region above the roll holder 30 in the media winder 40.

That is, in the printing machine 110, both the roll holder 130 and the media winder 140 are arranged in the area on the lower side in the vertical direction of the printing unit 20, and the feeding roller 31 and the winding roller 41 are similarly arranged in the first embodiment. Is preferably arranged so as to be overlapped on the lower side in the vertical direction of the printing unit 20. Further, it is preferable that both the feeding roller 31 and the winding roller 41 are arranged on the front side of the printing unit 20 as in the first embodiment.

As shown in FIG. 6, the roll medium transfer mechanism 150 is a roll medium transfer mechanism 50 in which the guide rails 53 and 54 are changed to guide rails 153 and 154, respectively. The guide rails 153 and 154 have the same functions as the guide rails 53 and 54, which are changed in shape as the position of the roll holder 130 is changed from the position of the roll holder 30.

Since the printing press 110 according to the first modification has the above configuration, the printing press according to the first embodiment except that the take-up roller 41 is arranged on the lower side in the vertical direction of the feeding roller 31. Since it has the same function as that of the printing press 10, it has the same function and effect as that of the printing press 10 according to the first embodiment, except that the take-up roller 41 is arranged on the lower side in the vertical direction of the feeding roller 31. Will bring.

[Second modification]
FIG. 7 is a schematic side view showing an outline of the printing machine 120, which is a second modification of the printing machine 10 according to the first embodiment. In the following, the details of the printing press 120 according to the second modification will be described with reference to FIG. 7. As shown in FIG. 7, in the printing machine 120 according to the second modification, in the printing machine 10 according to the first embodiment, the roll holder 30 is changed to the roll holder 135, and the media winder 40 is changed to the media winder 145. The roll medium transfer mechanism 50 is changed to the roll medium transfer mechanism 150. In the description of the second modification of the first embodiment, the same reference numerals as those of the first modification of the first embodiment and the first modification of the first embodiment are used in the same configuration as the description of the first modification of the first embodiment and the first embodiment. , The detailed description thereof will be omitted.

As shown in FIG. 7, the roll holder 135 is formed by changing the position of the roll holder 30 from the lower portion of the stand 12 to the upper portion of the stand 12, and the feeding roller 31 is formed. Its functions are the same, such as providing. As a result, the roll holder 135 is formed in a region on the rear side of the media winder 145, adjacent to the media winder 145, which will be described later.

As shown in FIG. 7, the media winder 145 is formed by changing the position of the media winder 40 to the front side, and has the same functions such as being provided with a winder roller 41. is there. As a result, the media winder 145 is formed in the region on the front side of the roll holder 135, adjacent to the roll holder 135.

That is, in the printing machine 120, both the roll holder 135 and the media winder 145 are arranged in the area on the lower side in the vertical direction of the printing unit 20, and the feeding roller 31 and the winding roller 41 are similarly arranged in the first embodiment. It is preferable that all of them are arranged on the front side of the printing unit 20. Further, in the printing machine 120, the roll holder 135 is provided on the rear side thereof, and the media winder 145 is further arranged on the front side thereof in the X-axis direction, that is, the upper surface of the printing unit facing portion 22. The flat surface of the print area formed by the above, and the flat surface formed by the two central axes formed along the Y-axis direction of the feeding roller 31 of the roll holder 135 and the winding roller 41 of the media winder 145. It is parallel.

Since the roll holder 135 is located on the rear side of the media winder 145 in this way, the function of the roll medium transport mechanism 150 that transports the roll medium 1 from the roll holder 135 to the rear side of the printing unit 20 is the media winding. It is not affected by the aircraft 145.

Since the positions of the roll holder 135 and the roll holder 130 are slightly different in the roll medium transfer mechanism 150 according to the second modification, as compared with the roll medium transfer mechanism 150 according to the first modification. Although the shapes are slightly different, the functions are the same, so the same code was used.

Since the printing machine 120 according to the second modification has the above configuration, except that the feeding roller 31 and the winding roller 41 are overlapped on the lower side in the vertical direction of the printing unit 20. Since it has the same function as the printing machine 110 according to the first modification, the effect brought about by the feeding roller 31 and the winding roller 41 being arranged on the lower side in the vertical direction of the printing unit 20 can be obtained. Except for this, the same functions and effects as those of the printing press 110 according to the first modification are obtained.

[Embodiment 2]
FIG. 8 is a schematic side view showing an outline of the printing press 210 according to the second embodiment. FIG. 9 is a schematic perspective view showing an outline of the roll medium transport mechanism 250 according to the second embodiment. In the following, the details of the printing press 210 according to the second embodiment will be described with reference to FIGS. 8 and 9. As shown in FIG. 8, the printing machine 210 according to the second embodiment is a printing machine 10 according to the first embodiment in which the roll medium transfer mechanism 50 is changed to the roll medium transfer mechanism 250. In the description of the second embodiment, the same code group as that of the first embodiment is used in the same configuration as the description of the first embodiment, and the detailed description thereof will be omitted.

As shown in FIGS. 8 and 9, the roll medium transfer mechanism 250 includes a medium guide cover 251 on the front side, a medium guide cover 252 on the rear side, and a transfer roller 253. The medium guide cover 251 on the front side covers the front side of the roll medium 1 from the roll holder 30 to the rear side of the printing unit 20. The medium guide cover 251 on the front side has a gap portion 254 formed and provided parallel to the Y-axis direction. The gap width of the gap portion 254 is equal to or slightly smaller than the diameter of the transport roller 253. The medium guide cover 252 on the rear side covers the rear side of the roll medium 1 from the roll holder 30 to the rear side of the printing unit 20.

The medium guide cover 251 on the front side and the medium guide cover 252 on the rear side have a guide mechanism for guiding the roll medium 1 as in the guide rails 53 and 54 according to the first embodiment. The media guide cover 251 on the front side and the medium guide cover 252 on the rear side accept the insertion of the roll medium 1 at the lower end portion, and discharge the roll medium 1 at the upper end portion.

The transfer roller 253 is inserted into the gap portion 254 provided in the medium guide cover 251. The insertion depth of the transport roller 253 is larger than the thickness of the medium guide cover 251 and slightly smaller than the depth from the front surface of the medium guide cover 251 to the front surface of the medium guide cover 252. The transfer roller 253 can rotate in the clockwise direction in FIG. 8 under the control of the control unit 70. The transfer roller 253 rotates in the clockwise direction in FIG. 8 to generate a frictional force between the outer peripheral surface of the transfer roller 253 and the front surface of the roll medium 1 inside the medium guide covers 251,252. Therefore, the roll medium 1 can be conveyed from the lower side to the upper side of the movement path.

In this way, the front side of the roll medium 1 is guided by the front side medium guide cover 251 and the rear side is guided by the rear side medium guide cover 252, and the roll medium 1 is directed from the lower side to the upper side by the rotation of the transport roller 253. By being moved, it is transported from the lower side to the upper side.

Since the printing machine 210 according to the second embodiment is provided by inserting the transport roller 253 into the gap portion 254 provided in the medium guide cover 251 on the front side, the outer peripheral surface of the transport roller 253 is the printing surface of the roll medium 1. Since the roll medium 1 is conveyed by contacting the surface on the opposite side of the roll medium 1, the roll medium 1 can be printed on the printing unit 20 without contacting the printing surface to be printed by the printing unit 20 of the roll medium 1. Transport can be performed.

Further, as shown in FIG. 8, the roll medium conveying mechanism 250 preferably further includes a front side guide curved surface body 255 and a rear side guide curved surface body 256. The front side guide curved surface body 255 is provided at the upper end portion of the front side medium guide cover 251 and guides the roll medium 1 toward the fixed holding roller 62. The rear side guide curved surface body 256 is provided at the upper end portion of the rear side medium guide cover 252, and guides the roll medium 1 toward the movable holding roller 61. When the roll medium transport mechanism 250 further includes the front side guide curved surface body 255 and the rear side guide curved surface body 256 in this way, the front side guide curved surface body 255 and the rear side guide curved surface body 256 provide the front side medium guide cover. Since the roll medium 1 conveyed to the upper end of the medium guide cover 252 on the rear side of 251 and the medium guide cover 252 on the rear side can be guided between the movable holding roller 61 and the fixed holding roller 62, the roll medium 1 can be more preferably used. It can be conveyed to the rear side of the printing unit 20.

Since the printing machine 210 according to the second embodiment has the above configuration, the printing machine 10 according to the first embodiment includes a grip portion 51, guide rails 53, 54, a string member 56, and a string member hoisting machine 58. Since the printing machine 10 according to the first embodiment has the same functions as the printing machine 10 according to the first embodiment except for the function provided by the roll medium conveying mechanism 50, the printing machine 10 according to the first embodiment has the grip portion 51, the guide rails 53, 54, and the string member. Except for the action and effect of providing the roll medium transport mechanism 50 including the string member hoisting machine 58 and the string member hoisting machine 58, the same action and effect as that of the printing machine 10 according to the first embodiment is obtained.

Further, in the printing machine 210 according to the second embodiment, the roll medium transport mechanism 250 is provided on the medium guide covers 251,252 covering the front side and the rear side of the roll medium 1 and the medium guide cover 251 covering the front side. It is provided by being inserted into the gap portion 254, and includes a transport roller 253 for transporting the roll medium 1 inside the medium guide covers 251,252. Therefore, the printing machine 210 according to the second embodiment is guided by the medium guide covers 251,252 and comes into contact with the surface of the roll medium 1 opposite to the printing surface by the transfer roller 253 from the minimum gap portion 254. Since it is conveyed while being transported, the operator and each part of the apparatus are arranged in front of the printing part 20 without touching the parts to be subjected to the printing process other than the tip of the roll medium 1 and the side opposite to the printing surface. The roll medium 1 can be stably and surely conveyed from the roll holder 30 to the rear side of the printing unit 20 by the movement path defined by the medium guide covers 251,252.

[Embodiment 3]
FIG. 10 is a schematic side view showing an outline of the printing press 310 according to the third embodiment. In the following, the details of the printing machine 310 according to the third embodiment will be described with reference to FIG. As shown in FIG. 10, the printing machine 310 according to the third embodiment is a printing machine 10 according to the first embodiment in which the roll medium transfer mechanism 50 is changed to the roll medium transfer mechanism 350. In the description of the third embodiment, the same reference numerals as those of the first and second embodiments are used in the same configuration as the description of the first and second embodiments, and the detailed description thereof will be omitted.

As shown in FIG. 10, the roll medium transport mechanism 350 includes a medium rear belt 351, a medium front belt 352, and a rod-shaped member 353. The medium rear belt 351 and the medium front belt 352 are arranged in a non-deflecting state by a pair of pulleys provided above and below, respectively. The medium rear belt 351 is provided on the rear side of the transport path of the roll medium 1 from the roll holder 30 to the rear side of the printing unit 20, and covers the rear side of the transport path of the roll medium 1. The medium rear belt 351 has protrusions 354 protruding toward the outer peripheral side at regular intervals. The medium front belt 352 is provided on the front side of the transport path of the roll medium 1 from the roll holder 30 to the rear side of the printing unit 20, and covers the front side of the transport path of the roll medium 1.

The medium rear belt 351 and the medium front belt 352 have a guide mechanism for guiding the roll medium 1, similarly to the guide rails 53 and 54 according to the first embodiment and the medium guide covers 251,252 according to the second embodiment. The medium rear belt 351 and the medium front belt 352 accept the insertion of the roll medium 1 at the lower end, and discharge the roll medium 1 at the upper end.

The rod-shaped member 353 is provided on the medium rear belt 351 by engaging with any one of the protrusions 354 formed at predetermined intervals toward the outer peripheral side. In the rod-shaped member 353, the thickness of the rod-shaped member 353 is slightly smaller than the gap between the medium rear belt 351 and the medium front belt 352. The rod-shaped member 353 sandwiches the roll medium 1 with the medium front belt 352.

The medium rear belt 351 can be rotated so as to feed the roll medium 1 from the lower side to the upper side by rotating in the counterclockwise direction in FIG. 10 under the control of the control unit 70. The rod-shaped member 353 provided by engaging with the protrusion 354 of the medium rear belt 351 is moved from the lower side to the upper side in the movement path between the medium rear belt 351 and the medium front belt 352 based on the rotational drive of the medium rear belt 351. Move towards the side. By this movement, the rod-shaped member 353 can convey the roll medium 1 sandwiched between the rod-shaped member 353 and the medium front belt 352 from the lower side to the upper side of the movement path.

In the printing machine 310 according to the third embodiment, the rod-shaped member 353 comes into contact with the tip of the printing surface of the roll medium 1, and the medium front belt 352 comes into contact with the surface of the roll medium 1 opposite to the printing surface of the roll medium 1. Since 1 is conveyed, the roll medium 1 can be conveyed to the printing unit 20 without coming into contact with the printing surface to be printed by the printing unit 20 of the roll medium 1.

Further, as shown in FIG. 10, the roll medium transport mechanism 350 further includes a front side guide curved surface body 255 and a rear side guide curved surface body 256 similar to those provided in the roll medium transport mechanism 250 according to the second embodiment. It is preferable to prepare. The front side guide curved surface body 255 is provided at the upper end portion of the medium front belt 352, and guides the roll medium 1 toward the fixed holding roller 62. The rear guide curved surface body 256 is provided at the upper end of the medium rear belt 351 and guides the roll medium 1 toward the movable holding roller 61. The front side guide curved surface body 255 and the rear side guide curved surface body 256 perform the same functions in the roll medium transport mechanism 350 according to the third embodiment as in the roll medium transport mechanism 250 according to the second embodiment, and have the same effects. Bring.

Since the printing machine 310 according to the third embodiment has the above configuration, the printing machine 10 according to the first embodiment includes a grip portion 51, guide rails 53, 54, a string member 56, and a string member hoisting machine 58. Since the printing machine 10 according to the first embodiment has the same functions as the printing machine 10 according to the first embodiment except for the function provided by the roll medium conveying mechanism 50, the printing machine 10 according to the first embodiment has the grip portion 51, the guide rails 53, 54, and the string member. Except for the action and effect of providing the roll medium transport mechanism 50 including the string member hoisting machine 58 and the string member hoisting machine 58, the same action and effect as that of the printing machine 10 according to the first embodiment is obtained.

Further, in the printing machine 310 according to the third embodiment, the roll medium transfer mechanism 350 is provided on the medium rear belt 351 provided on the rear side of the transfer path of the roll medium 1 and on the front side of the transfer path of the roll medium 1. A rod-shaped member provided by engaging with a protrusion 354 of the medium rear belt 351 and the medium front belt 352, sandwiching the roll medium 1 between the medium front belt 352, and moving based on the drive of the medium rear belt 351. 353 and. Therefore, in the printing machine 310 according to the third embodiment, the media rear belt 351 and the medium front belt 352 guide the rod-shaped member 353 into contact with the tip of the printing surface of the roll medium 1, and the medium front belt 352 is the roll medium. Since the roll medium 1 is conveyed by coming into contact with the surface of the roll medium 1 opposite to the printing surface, each part of the operator and the device is subjected to printing processing other than the tip of the roll medium 1 and the surface opposite to the printing surface. Printing is performed stably and reliably from the roll holder 30 arranged on the front side of the printing unit 20 by the movement path defined by the medium rear belt 351 and the medium front belt 352 without almost touching the portion to be printed. The roll medium 1 can be conveyed to the rear side of the portion 20.

[Embodiment 4]
FIG. 11 is a schematic side view showing an outline of the printing press 410 according to the fourth embodiment. FIG. 12 is a schematic perspective view showing an outline of the roll medium transport mechanism 450 according to the fourth embodiment. In the following, the details of the printing press 410 according to the fourth embodiment will be described with reference to FIGS. 11 and 12. As shown in FIG. 11, the printing machine 410 according to the fourth embodiment is a printing machine 10 according to the first embodiment in which the roll medium transfer mechanism 50 is changed to the roll medium transfer mechanism 350. In the description of the fourth embodiment, the same code groups as those of the first, second and third embodiments are used in the same configuration as the description of the first, second and third embodiments, and the detailed description thereof is omitted. To do.

As shown in FIGS. 11 and 12, the roll medium transfer mechanism 450 includes a grip portion 451 and a transfer belt 452. The grip portion 451 grips the tip of the roll medium 1 and is the same as the grip portion 51 according to the first embodiment except that the grip portion 451 is inserted into and supported by the support hole 453 formed in the transport belt 452. Has a configuration.

Since the transport belt 452 substantially restricts the movement path of the grip portion 451, the guide rails 53 and 54 according to the first embodiment, the medium guide covers 251,252 according to the second embodiment, and the third embodiment Similar to the medium rear belt 351 and the medium front belt 352, it has a guide mechanism for guiding the roll medium 1. The lower end of the transport belt 452 accepts the grip of the roll medium 1 to the grip 451, and the upper end of the transport belt 452 removes the roll medium 1 from the grip 451.

Further, as shown in FIG. 11, the roll medium transport mechanism 450 has a front surface similar to that provided by the roll medium transport mechanism 250 according to the second embodiment and the roll medium transport mechanism 350 according to the third embodiment. It is preferable to further include the side guide curved surface body 255 and the rear side guide curved surface body 256. The front side guide curved surface body 255 is provided on the front side of the upper end portion of the transport belt 452, and guides the roll medium 1 toward the fixed holding roller 62. The rear side guide curved surface body 256 is provided on the rear side of the upper end portion of the transport belt 452, and guides the roll medium 1 toward the movable holding roller 61. The front side guide curved surface body 255 and the rear side guide curved surface body 256 are the roll medium transfer mechanism 350 according to the fourth embodiment, the roll medium transfer mechanism 250 according to the second embodiment, and the roll medium transfer mechanism 350 according to the third embodiment. It performs the same function as in, and brings about the same effect.

As shown in FIG. 12, the transport belts 452 of the roll medium transport mechanism 450 are provided in pairs on both ends in the width direction of the roll medium 1. Specifically, the transport belt 452 includes a pair of transport belts 452A and 452B, that is, a transport belt 452A provided on the −Y direction side and a transport belt 452B provided on the + Y direction side. The transport belts 452A and 452B are supported by the stands 12A and 12B, similarly to the guide rails 53A, 53B, 54A and 54B according to the first embodiment. The support form of the transport belts 452A and 452B is not limited to the above form in the present invention, and other forms may be taken. Further, although the transport belt 452 is described as being provided in a pair in the present embodiment, the present invention is not limited to the form in which the transport belt 452 is provided in a pair, and any form can be used as long as it is one or more. You may.

The pair of transport belts 452A and 452B are provided apart from each other, and the separation width is longer than the roll width of the roll medium 1. The Y coordinate of the end portion of the roll medium 1 on the −Y direction side is in the + Y direction, that is, inside the Y coordinate of the transport belt 452A. Further, the Y coordinate of the end portion of the roll medium 1 on the + Y direction side is in the −Y direction, that is, inside the Y coordinate of the Y coordinate of the transport belt 452B. Therefore, the pair of transfer belts 452A and 452B can contribute to the transfer of the roll medium 1 to the printing unit 20 without coming into contact with the printing surface to be printed by the printing unit 20 of the roll medium 1. ..

The support hole 453A formed in one transport belt 452A and the support hole 453B formed in the other transport belt 452B are provided so as to face each other in the Y-axis direction. One transport belt 452A supports the one end of the grip 451 by accepting the insertion of one end of the grip 451 in the Y-axis direction into the support hole 453A. The other transport belt 452B supports the other end of the grip 451 by accepting the insertion of the other end of the grip 451 in the Y-axis direction into the support hole 453B.

In the printing machine 410 according to the fourth embodiment, since the grip portion 451 contacts the tip of the roll medium 1 to convey the roll medium 1, it comes into contact with the printing surface to be printed by the printing section 20 of the roll medium 1. It is possible to carry out the transfer of the roll medium 1 to the printing unit 20 without doing so.

Since the printing machine 410 according to the fourth embodiment has the above configuration, the printing machine 10 according to the first embodiment includes a grip portion 51, guide rails 53, 54, a string member 56, and a string member hoisting machine 58. Since the printing machine 10 according to the first embodiment has the same functions as the printing machine 10 according to the first embodiment except for the function provided by the roll medium conveying mechanism 50, the printing machine 10 according to the first embodiment has the grip portion 51, the guide rails 53, 54, and the string member. Except for the action and effect of providing the roll medium transport mechanism 50 including the string member hoisting machine 58 and the string member hoisting machine 58, the same action and effect as that of the printing machine 10 according to the first embodiment is obtained.

Further, the printing machine 410 according to the fourth embodiment includes a grip portion 451 that grips the tip of the roll medium 1 by the roll medium transport mechanism 450, and a transport belt 452 that supports and transports the grip portion 451. Therefore, in the printing machine 410 according to the fourth embodiment, it is not necessary for the worker to go around to the opposite side (rear side) of the printing machine 410, and each part of the worker and the apparatus is subjected to printing processing other than the tip of the roll medium 1. Rolls from the roll holder 30 located on the front side of the printing unit 20 to the rear side of the printing unit 20 in a stable and reliable manner by the movement path defined by the transport belt 452 without touching the portion to be printed. The medium 1 can be conveyed.

Further, in the printing machine 410 according to the fourth embodiment, transport belts 452A and 452B are provided in pairs on both end sides in the width direction of the roll medium 1, and one transport belt 452A supports one end of the grip portion 451. , The other transport belt 452B supports the other end of the grip 451. Therefore, in the printing machine 410 according to the fourth embodiment, the pair of transport belts 452A and 452B do not come into contact with the printing surface to be printed by the printing unit 20 of the roll medium 1, and the printing unit of the roll medium 1 does not come into contact with the printing surface. It can contribute to the transportation to 20.

1 Roll medium 10,110,120,210,310,410 Printing machine 12,12A, 12B Stand 14 Discharge guidance unit 16 Housing unit 20 Printing unit 22 Printing unit Opposing part 30, 130, 135 Roll holder 31 Feeding roller 32 Rolls Temporary placement bar 40, 140, 145 Media winder 41 Winding roller 50, 150, 250, 350, 450 Roll medium transport mechanism 51,451 Grip 52A, 52B Sliding member 53, 53A, 53B, 54, 54A, 54B, 153,154 Guide rails 56, 56A, 56B String member 57 String member support 58 String member hoisting machine 59 Media support rotary roller 60 Hold transfer roller 61 Movable pinch roller 62 Fixed pinch roller 70 Control unit 251,252 Media guide Cover 253 Conveying roller 254 Gap 255 Front side guide curved body 256 Rear side guide curved body 351 Media rear belt 352 Media front belt 353 Rod-shaped member 354 Protrusions 452,452A, 452B Conveying belt 453,453A, 453B Support hole

Claims (4)

A feeding roller that feeds and supplies a roll medium, which is a roll-shaped printing medium,
A printing unit that executes printing on the roll medium supplied from the feeding roller, and
A roll medium transport mechanism that transports the tip of the roll medium unwound from the feeding roller arranged on the lower side in the vertical direction of the printing unit to the vicinity of the printing unit.
A printing machine characterized by being equipped with. Further provided is a sandwiching and conveying roller provided in the vicinity of the printing unit and sandwiching and conveying the tip of the roll medium conveyed by the roll medium conveying mechanism.
The printing machine according to claim 1. A take-up roller for winding the roll medium on which printing was executed in the printing unit is further provided.
The printing machine according to claim 1 or 2, wherein the feeding roller and the winding roller are arranged so as to be overlapped on the lower side in the vertical direction of the printing unit. The printing machine according to claim 3, wherein the feeding roller is arranged on the lower side in the vertical direction of the winding roller.

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