JP5563508B2 - Printer for media with protrusions such as eyelets - Google Patents

Description

  The present invention relates to a printer suitable for printing on a medium such as a cloth with protrusions such as eyelets.

  2. Description of the Related Art Conventionally, printers that perform printing by scanning an ink jet recording head on various media such as paper, cloth, and synthetic resin movably disposed on a media support are known. Further, a booklet printing apparatus that prints on a booklet having a convex portion formed on the center hold is conventionally known (see, for example, Patent Document 1).

No. 7-7180

The media on the media support (platen) is sandwiched between the drive roller and pressure roller, the media is transported in the transport direction (X-axis direction) by intermittent rotation of the drive roller, and the recording head is moved to the Y-axis on the media support surface. When the medium is moved in the direction and the medium is printed by scanning the medium with the recording head, the distance between the medium and the recording head is kept constant, and the medium can be conveyed along the medium support surface with high accuracy. Required to get high quality prints.
When recording on media with eyelets, the part with the eyelets constitutes a projection.When this media is placed on the media support surface, the area around the media projection rises from the media support surface. It cannot be adhered to the media support surface uniformly. For this reason, the accuracy of media conveyance is reduced. In addition, when the media support surface is warmed with a heater to promote the drying of ink on the media, if the media is lifted from the media support surface, the heat of the heater cannot be effectively transferred to the media. End up. There are various types of media, and this type of printer is required to have a function capable of handling media having no protrusions in addition to media having protrusions such as eyelets.
The main object of the present invention is to allow media with projections such as eyelets to be brought into close contact with the media support surface, thereby improving the conveyance accuracy of media with projections and realizing high-quality printing. It is.
Another object of the present invention is to provide a printer capable of printing on media without protrusions such as eyelets without impairing conventional functions.

In order to achieve the above object, the present invention provides an airframe, a media support supported by the airframe that forms a media transport path, and the airframe that extends on the media support in a direction perpendicular to the media transport direction. A supported guide rail; a recording head movably attached to the guide rail via a carriage; and a medium on the medium support is sandwiched between a driving roller and a pressure roller, and the medium is supported by the medium. A media driving mechanism that drives in the media conveying direction along the surface, and the media on the media support is sent in the media conveying direction by rotation of a driving roller of the media driving mechanism, while the recording head is moved to the guide rail. Along the medium transport direction, and the medium of the media support is moved by the recording head. A printer configured to perform recording on a medium on a support surface, wherein a concave groove is formed in the media support surface of the media support body so as to escape a protrusion protruding from a lower surface of the medium along a conveyance path of the protrusion; It is characterized by.
In the invention, it is preferable that the medium is a cloth and the protrusion is an eyelet.
The present invention is also characterized in that the groove is a concave groove having a bottom.
Further, the invention is characterized in that the width of the groove is set to be slightly wider than the width of the protrusion.
In the invention, it is preferable that the recording head is an ink jet head that discharges ink from a nozzle.
Further, the present invention is characterized in that a heater is disposed below the media support to warm the media on the media support.
Further, the present invention is characterized in that a cover for opening and closing the opening of the groove is provided so that the groove can be covered when the groove is unnecessary.
Further, the present invention is characterized in that a plurality of the grooves are provided, a cover for opening and closing the opening of these grooves is provided, and unnecessary grooves among these grooves can be covered. .
Further, the present invention is characterized in that a lid that can be detachably fitted in the groove is provided, and when the media without projections is used, the groove is covered.
Further, the present invention is characterized in that a lid is slidably provided in the groove, and when the media having no protrusion is used, the groove is covered.
Further, the present invention is characterized in that the lid is made of a heat conductive material.
The present invention is also characterized in that the media support and the lid are made of the same heat conductive material.

  In the present invention, since a groove for escaping the projection of the media is provided on the media support surface, the media with the projection can be prevented from lifting from the media support surface, and the media is brought into close contact with the media support surface to convey the media with high accuracy. can do. Even when the printer has a mechanism for heating the media with a heater, the groove can be closed with a lid made of a heat conductive material, so that the ink on the printed media can be dried uniformly. The temperature distribution on the media support surface can be made constant by eliminating the ink drying change due to the temperature change occurring in the grooved portion. Therefore, even when printing on a medium having no protrusion, it is possible to prevent an adverse effect on the printing result due to variations in temperature distribution on the medium support surface.

It is explanatory drawing of this invention. It is an external view of a printer. It is explanatory drawing of this invention. It is explanatory drawing of this invention. It is explanatory drawing of this invention.

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.
FIG. 2 shows an overall schematic view of a printer suitable for printing media with eyelets according to the present invention. A front media guide 2 and a media support 4 called a platen are fixed to the printer body supported by legs (not shown) adjacent to each other in the front-rear direction. The media guide 2 and the media support surface 4a of the media support 4 form a media transport path for guiding the media 6 to the front of the machine.

  On the media support 4, a head guide rail 8 installed on the machine body is horizontally disposed in a direction crossing the media conveyance path, and an ink jet recording head 10 is placed on the head guide rail 8 via a carriage 12. It is attached movably. On the media support surface 4 a of the media support 4, a groove 14 having an open upper portion having a U-shaped cross section for receiving the projection 6 a of the eyelet portion of the media 6 with the eyelet is along the direction (X axis) for transporting the media 6. It is drilled like a belt.

  The positions, widths, and depths of the grooves 14 on the media support surface 4a are such that the positions and sizes of the projections 6a of the media 6 with the eyelet so that the grooves 14 function as escapes to the projections 6a of the media 6. It is set according to the thickness. The protrusion 6a of the medium 6 on the media support surface 4a enters the groove 14, so that the lower surface around the protrusion 6a of the medium 6 extends from above the media support surface 4a in a wide range from the bottom of the head to the transport direction. Prevents floating.

  The media support 4 is made of a material such as aluminum having good heat conductivity. A heater 16 is disposed below the media support 4, and the media support 4 is electrically heated by the heater 16. In addition, it is configured to promote drying of the ink on the printing surface of the medium 6. On the upstream side in the X-axis direction of the media support 4, a media driving mechanism including a driving roller 18 including a grit roller and a plurality of pressure units 20 is provided. The medium 6 is configured to be sandwiched between the driving roller 18 and the pressure roller 22 of the pressure unit 20.

  During the printing operation, the drive roller 18 and the pressure roller 22 press the media 6 sandwiched against the media support surface 4 a on the media support 4, and the drive roller 18 rotates to direct the media 6 toward the media support 4. It is comprised so that it may convey. Reference numeral 24 denotes a lid configured to be detachable with respect to the groove 14 and is formed of a plate-like heat conductive material. When the lid 24 is fitted into the groove 14, the upper surface of the lid 24 is configured to be substantially flush with the upper surface of the media support 4, that is, the media support surface 4 a.

The lid 24 is used to fill the groove 14 when printing on the medium 6 ′ (see FIG. 5) without eyelet. On both sides of the main body of the lid 24, finger catching recesses 24a are formed for facilitating the manual operation of attaching and detaching to the groove 14.
In the above-described configuration, the projection 6a of the eyelet-attached medium 6 set on the media support 4 is disposed in the groove 14, and the lower surface of the media 6 on the media support surface 4a of the media support 4 is the media transport. Except for the protrusion arrangement area along the direction, the state of being in close contact with the media support surface 4a of the media support 4 is maintained.

  The media 6 that is in close contact with the media support 4 is heated by the heater 16 via the media support 4. When the printing operation on the medium 6 is started, the medium 6 on the medium support 4 is conveyed by the rotation of the driving roller 18 while being sandwiched between the driving roller 18 and the pressure roller 22 in FIG. It is conveyed along the road in the left direction (X-axis direction). On the other hand, the recording head 10 moves along the guide rail in a direction crossing the medium 6 on the media support surface 4a while ejecting ink from the nozzles, and a predetermined print enforcement area 4b at the approximate center of the media support surface 4a. Printing is performed on the upper medium 6.

  When printing on the medium 6 'without eyelet, a lid 24 is fitted in the groove 14 of the media support 4 in advance as shown in FIG. By closing the groove 14 of the media support 4 with the lid 24, the media support surface 4 a without the groove is formed, and when the groove 14 of the media support 4 and the lid 24 come into contact, the heat of the heater 16 is directly covered by the lid. By conducting up to 24, the media support surface 4 a is uniformly warmed by the heater 16. Therefore, the ink drying on the medium after printing can be made constant, and the adverse effect due to the difference in ink drying due to the temperature change occurring in the groove portion can be eliminated.

In addition, this invention is not specifically limited to the said embodiment, It is possible to employ | adopt the following structure.
(1) The grooves 14 may be provided at a plurality of locations so as to correspond to media of various widths and necessary locations in addition to the locations corresponding to the protrusions of the specific media. In this case, a lid is placed on the groove where it is not necessary.
(2) If the media support 4 and the lid 24 are made of the same material, the humidity distribution on the media support surface 4a can be made the same.
(3) The lid 24 may be structured to slide with respect to the groove 14 instead of being removed. In that case, it may be moved electrically, or only the necessary lid portion may be slid when the media width is read by the media detection sensor provided on the recording head 10 side.
(4) Further, the structure may not be such that the groove is covered, and the groove portion may move up and down to the same height as the media support, or may be lowered to create a relief structure.
(5) In addition to the structure in which the groove is provided in the media support, a relief structure may be provided in the roller portion of the pressure unit. Further, a structure may be adopted in which a part of the rollers of the plurality of pressure units can be removed, and the protrusions may be allowed to escape upward.

2 Media guide 4 Media support 4a Media support surface 6 Media 6a Protrusion 8 Guide rail 10 Recording head 12 Carriage 14 Groove 16 Heater 18 Drive roller 20 Pressure unit 22 Pressure roller 24 Lid 24a Recess

Claims (11)

An airframe, a media support supported by the airframe that forms a media transport path, a guide rail supported by the airframe extending in a direction perpendicular to the media transport direction on the media support, and the guide rail A recording head that is movably mounted via a carriage, a medium that sandwiches the medium on the medium support member by a drive roller and a pressure roller, and drives the medium in the medium transport direction along the medium support surface A drive mechanism, and the medium on the media support is fed in the media transport direction by rotation of the drive roller of the media drive mechanism, while the recording head is perpendicular to the media transport direction along the guide rail And recording on the media on the media support surface of the media support by the recording head. A Unishi were printer, the media groove escaping the projection projecting on the lower surface of the media to a media support surface of the support member protruding formed along the conveying path of force, wherein the media is a fabric, the protrusions eyelet A printer for media with projections such as eyelets. The media printer with projections such as eyelets according to claim 1, wherein the groove is a concave groove having a bottom. The media printer with projections such as eyelets according to claim 1, wherein the lateral width of the groove is set to be slightly wider than the lateral width of the projection. The media printer with projections such as eyelets according to claim 1, wherein the recording head is an inkjet head that ejects ink from nozzles. The media printer with projections such as eyelets according to claim 4 , wherein a heater is disposed under the media support to heat the media on the media support. An airframe, a media support supported by the airframe that forms a media transport path, a guide rail supported by the airframe extending in a direction perpendicular to the media transport direction on the media support, and the guide rail A recording head that is movably mounted via a carriage, a medium that sandwiches the medium on the medium support member by a drive roller and a pressure roller, and drives the medium in the medium transport direction along the medium support surface A drive mechanism, and the medium on the media support is fed in the media transport direction by rotation of the drive roller of the media drive mechanism, while the recording head is perpendicular to the media transport direction along the guide rail And recording on the media on the media support surface of the media support by the recording head. A Unishi were printer, the media groove escaping the projection projecting on the lower surface of the media to a media support surface of the support member protruding formed along the conveying path of the force, a lid for opening and closing the opening portion of the groove A printer for media with protrusions such as eyelets, wherein the groove can be covered when the groove is unnecessary. An airframe, a media support supported by the airframe that forms a media transport path, a guide rail supported by the airframe extending in a direction perpendicular to the media transport direction on the media support, and the guide rail A recording head that is movably mounted via a carriage, a medium that sandwiches the medium on the medium support member by a drive roller and a pressure roller, and drives the medium in the medium transport direction along the medium support surface A drive mechanism, and the medium on the media support is fed in the media transport direction by rotation of the drive roller of the media drive mechanism, while the recording head is perpendicular to the media transport direction along the guide rail And recording on the media on the media support surface of the media support by the recording head. A Unishi were printer, the media groove escaping the projection projecting on the lower surface of the media to a media support surface of the support member protruding formed along the conveying path of the force, a plurality of said grooves, openings of these grooves A printer for media with projections such as eyelets, characterized in that a lid for opening and closing the part is provided, and an unnecessary groove among these grooves can be covered. An airframe, a media support supported by the airframe that forms a media transport path, a guide rail supported by the airframe extending in a direction perpendicular to the media transport direction on the media support, and the guide rail A recording head that is movably mounted via a carriage, a medium that sandwiches the medium on the medium support member by a drive roller and a pressure roller, and drives the medium in the medium transport direction along the medium support surface A drive mechanism, and the medium on the media support is fed in the media transport direction by rotation of the drive roller of the media drive mechanism, while the recording head is perpendicular to the media transport direction along the guide rail And recording on the media on the media support surface of the media support by the recording head. A Unishi were printer, the media groove escaping the projection projecting on the lower surface of the media to a media support surface of the support member protruding formed along the conveying path of the force, which can be fitted lid detachably in the groove When a medium without protrusions is used, the groove is covered with a lid, and a media printer with protrusions such as eyelets. An airframe, a media support supported by the airframe that forms a media transport path, a guide rail supported by the airframe extending in a direction perpendicular to the media transport direction on the media support, and the guide rail A recording head that is movably mounted via a carriage, a medium that sandwiches the medium on the medium support member by a drive roller and a pressure roller, and drives the medium in the medium transport direction along the medium support surface A drive mechanism, and the medium on the media support is fed in the media transport direction by rotation of the drive roller of the media drive mechanism, while the recording head is perpendicular to the media transport direction along the guide rail And recording on the media on the media support surface of the media support by the recording head. A Unishi were printer, the media groove escaping the projection projecting on the lower surface of the media to a media support surface of the support member protruding formed along the conveying path of the force, slidably provided with a lid on the groove, protrusion A printer for media with protrusions such as eyelets, wherein the groove is covered when a medium without any gap is used. The media printer with projections such as eyelets according to claim 6 , wherein the lid is made of a heat conductive material. The printer for media with protrusions such as eyelets according to claim 10 , wherein the media support and the lid are made of the same heat conductive material.

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