JP2015071234A - Recording device - Google Patents

Abstract

An object of the present invention is to detect with high accuracy that the recording medium has protruded to the outside in the width direction of an adhesive belt that conveys the recording medium.
An adhesive belt 2 that conveys a recording medium P supported by a support surface S, and an end E in the width direction B of the adhesive belt 2, and is provided on the adhesive belt 2 of the recording medium P. The guide part 9 which guides the part P1 which protruded to the outer side in the direction away from the support surface S, and the sensor 10 which detects the part P1 which protruded by the guide part 9 are provided.
[Selection] Figure 1

Description

  The present invention relates to a recording apparatus.

2. Description of the Related Art Conventionally, a recording apparatus that supports and conveys a recording medium with an adhesive belt has been used. Among these, a recording apparatus including a sensor for detecting a conveyance failure of the recording medium is disclosed.
For example, Patent Document 1 discloses a recording apparatus including a sensor capable of detecting occurrence of a jam.

JP 2010-110902 A

There are various types of conveyance failure of the recording medium, and the recording medium sometimes protrudes to the outside in the width direction of the adhesive belt that conveys the recording medium. In such a case, a jam may be induced, but before that, a recorded image is not formed at a desired position. For this reason, it is required to suppress the recording medium from protruding from the adhesive belt.
However, the recording apparatus disclosed in Patent Document 1 cannot detect the conveyance failure of the recording medium until the jam occurs, and suppresses the recording medium from protruding from the adhesive belt without the occurrence of the jam. It is not configured to do.

  Accordingly, an object of the present invention is to detect with high accuracy that the recording medium has protruded to the outside in the width direction of an adhesive belt that conveys the recording medium.

  In order to solve the above problems, a first recording apparatus of the present invention is provided with an adhesive belt that transports a recording medium supported by a support surface, and is provided outside the adhesive belt in the width direction. A guide part that guides a part of the medium that protrudes outside the adhesive belt in a direction away from the support surface, and a sensor that detects the protruding part guided by the guide part. To do.

Here, the “adhesive belt” means a belt in which a pressure-sensitive adhesive that holds the recording medium in a peelable manner is applied to the surface that supports the recording medium.
According to this aspect, the guide unit is provided outside in the width direction of the adhesive belt and guides a portion of the recording medium that protrudes outside the adhesive belt in a direction away from the support surface; And a sensor for detecting the protruding portion guided by the guide unit. For this reason, when the said guidance part guides the said protrusion part, it has the structure which can be detected with a high precision with the said sensor. Therefore, it is possible to detect with high accuracy that the recording medium protrudes to the outside in the width direction of the adhesive belt that conveys the recording medium.

  According to a second aspect of the present invention, there is provided a recording apparatus according to the first aspect, further comprising: a recording head that records on the recording medium, wherein the guide unit and the sensor are configured to adhere to the recording medium in the transport direction. It is provided between the recording start position of the recording medium on the belt and the recording head.

  According to this aspect, the guide unit and the sensor are provided between the recording head and the recording start support position of the recording medium in the adhesive belt in the recording medium conveyance direction. For this reason, the protruding portion can be detected before the protruding portion reaches the recording area of the recording head. Therefore, it is possible to detect with high accuracy that the recording medium protrudes to the outside in the width direction of the adhesive belt that conveys the recording medium before the protruding portion reaches the recording area.

  The recording apparatus according to a third aspect of the present invention is characterized in that, in the first or second aspect, the guide portion is a protrusion protruding from the support surface toward the recording medium. To do.

  According to this aspect, since the guide part is a protrusion part protruding from the support surface toward the recording medium, the guide part can be configured easily.

  The recording apparatus according to a fourth aspect of the present invention is the recording apparatus according to the third aspect, wherein the tip position of the protrusion is within the detection range of the sensor or the detection range of the sensor in the direction intersecting the support surface. It is a position away from the surface.

  According to this aspect, the tip position of the protrusion is within the detection range of the sensor in the direction intersecting the support surface. For this reason, it is possible to reliably detect the protruding portion lifted by the protruding portion with high accuracy.

  The recording apparatus according to a fifth aspect of the present invention is the recording apparatus according to the third or fourth aspect, wherein the protrusion is formed on the support surface from the support start position toward the recording head in the transport direction of the recording medium. It is characterized by a wedge shape with a wide width in the intersecting direction.

  According to this aspect, the protrusion has a wedge shape in which the width in the direction intersecting the support surface is increased from the support start position toward the recording head in the transport direction of the recording medium. For this reason, the protruding portion is raised accurately with the conveyance of the recording medium. Therefore, the protruding portion lifted by the protrusion can be detected with high accuracy.

  In the recording apparatus according to a sixth aspect of the present invention, in the first or second aspect, the guide section is a blower section that blows air from a direction intersecting the support surface with respect to the protruding portion. Features.

  According to this aspect, the guide portion is a blower that blows air from a direction intersecting the support surface with respect to the protruding portion. That is, the blower blows air from the side of the recording medium that is supported by the support surface to the protruding portion, and is guided by lifting the protruding portion to the support surface side by the wind pressure. With such a configuration, it is possible to detect the protruding portion lifted by the blower with high accuracy.

  In the recording apparatus according to a seventh aspect of the present invention, in any one of the first to sixth aspects, the guide portions are provided on both sides in the width direction of the adhesive belt.

  According to this aspect, the guide portions are provided on both sides in the width direction of the adhesive belt. For this reason, even if the recording medium protrudes from any end in the width direction of the adhesive belt, the protruding portion can be detected with high accuracy.

1 is a schematic side view illustrating a recording apparatus according to a first embodiment of the invention. FIG. 3 is a schematic plan view illustrating a main part of the recording apparatus according to the first embodiment of the invention. FIG. 3 is a schematic side view illustrating a main part of the recording apparatus according to the first embodiment of the invention. 1 is a block diagram of a recording apparatus according to Embodiment 1 of the present invention. FIG. 6 is a schematic plan view illustrating a main part of a recording apparatus according to a second embodiment of the invention. FIG. 6 is a schematic side view illustrating a main part of a recording apparatus according to a third embodiment of the invention.

  Hereinafter, a recording apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[Example 1] (FIGS. 1 to 4)
FIG. 1 is a schematic side view illustrating a recording apparatus 1 according to a first embodiment of the invention.
The recording apparatus 1 according to the present embodiment includes an adhesive belt 2 that is stretched between a transport roller 3 and a driven roller 4 that rotate in a rotation direction C, supports a recording medium P on a support surface S, and transports the recording medium P in the transport direction A. I have.
Here, the “adhesive belt” means a belt in which a pressure-sensitive adhesive that holds the recording medium in a peelable manner is applied to the surface that supports the recording medium.

In addition, a recording head 6 is provided in the conveyance path of the recording medium P by the adhesive belt 2. The recording apparatus 1 moves a recording medium from an ink ejection surface F of the recording head 6 while reciprocating the recording head 6 in a direction B (width direction B of the adhesive belt 2) intersecting the transport direction A via the carriage 5. Ink is ejected onto P to form a desired image.
The recording apparatus 1 according to the present embodiment includes the recording head 6 that performs recording while reciprocating. However, the recording apparatus 1 includes a so-called line head in which a plurality of nozzles that eject ink are provided in the intersecting direction that intersects the transport direction A. It may be a device.
Here, the “line head” is provided so that the nozzle region formed in the crossing direction intersecting the transport direction A of the recording medium P can cover the entire crossing direction of the recording medium P. The recording head is used in a recording apparatus that forms an image by fixing one of the recording head and the recording medium and moving the other. The area of the nozzles in the cross direction of the line head may not be able to cover the entire cross direction of all the recording media P supported by the recording apparatus.

In the recording apparatus 1 of the present embodiment, the recording medium P is peeled off from the adhesive belt 2 within a predetermined range, and taken up by the winding unit 8 via the driven roller 7 fixed at a predetermined position. . The winding unit 8 rotates the recording medium P in the rotation direction C when winding the recording medium P.
However, the present invention is not limited to the recording apparatus having the transport mechanism having such a configuration. For example, the recording apparatus may be configured to sandwich and transport the recording medium P with a pair of transport rollers.

  The recording apparatus 1 of the present embodiment has a configuration capable of recording on a roll-shaped recording medium P. However, the recording apparatus 1 is not limited to such a configuration, and recording is performed on a single-sheet recording medium P. The structure which can perform is also sufficient.

Further, the recording apparatus 1 of the present embodiment guides the portion P1 (see FIG. 2) that protrudes outward from the end E of the adhesive belt 2 of the recording medium P so as to be separated from the support surface S in the Z direction. A projecting part 9 as a guide part and a sensor 10 for detecting a protruding part P1 lifted by the projecting part 9 are provided.
Here, the sensor 10 irradiates light horizontally in the width direction B of the adhesive belt 2 from the irradiation unit 26 (see FIG. 3), and determines whether or not the reflected light from a reflection unit (not shown) is input. This is an optical sensor that detects the protruding part P1 lifted by the part 9. However, it is not limited to such a sensor.
In addition, the sensor 10 installed in this way can detect the recording medium P that has floated on the support surface S of the adhesive belt 2 due to poor adhesion, and its detection range (height from the support surface). ) Is set.

Hereinafter, the protrusion 9 and the sensor 10 will be described in detail.
FIG. 2 is a schematic plan view showing the main part of the recording apparatus 1 of this embodiment, and FIG. 3 is a schematic side view showing the main part of the recording apparatus 1 of this embodiment.

As described above, the recording apparatus 1 of the present embodiment includes the adhesive belt 2 that transports the recording medium P supported by the support surface S.
Further, as shown in FIG. 2, a portion P <b> 1 that is provided outside the end portion E in the width direction B of the adhesive belt 2 and protrudes outside the adhesive belt 2 of the recording medium P from the support surface S. Protrusions 9 are provided as guides for guiding them away in the Z direction. Moreover, the sensor 10 which detects the protruding part P1 guided by the projection part 9 is provided.
With such a configuration, the recording apparatus 1 according to the present embodiment is configured such that the protruding portion 9 can guide the protruding portion P1 with high accuracy by the sensor 10. Accordingly, it is possible to detect with high accuracy that the recording medium P protrudes from the end E in the width direction B of the adhesive belt 2 that conveys the recording medium P to the outside.

As shown in FIG. 1, the recording apparatus 1 of the present embodiment includes a recording head 6 that records on the recording medium P, and the protrusion 9 and the sensor 10 are arranged in the conveyance direction A of the recording medium P. The adhesive belt 2 is provided between the support start position 25 of the recording medium P and the recording head 6.
With such a configuration, the recording apparatus 1 of this embodiment protrudes from the recording region R1 of the recording head 6 (the portion of the adhesive belt 2 that the ink ejection surface F faces when the recording head 6 reciprocates). Before the portion P1 reaches, the protruding portion P1 can be detected. Therefore, it is highly accurate that the recording medium P protrudes outward from the end E in the width direction B of the adhesive belt 2 that conveys the recording medium P before the protruding portion P1 reaches the recording region R1. It can be detected with

As shown in FIG. 3, the guide portion in the recording apparatus 1 of the present embodiment is a protrusion 9 that protrudes from the support surface S toward the recording medium.
With such a configuration, the recording apparatus 1 of the present embodiment simply constitutes the guide unit.

Further, as shown in FIG. 3, the tip position T of the protrusion 9 in the recording apparatus 1 of the present embodiment is within the detection range R2 of the sensor 10 or the detection range of the sensor 10 in the direction Z intersecting the support surface S. The position is further away from the support surface S.
Note that, as described above, the sensor 10 of the present embodiment irradiates light horizontally from the irradiation unit 26 in the width direction B of the adhesive belt 2 and determines whether or not to input reflected light from a reflection unit (not shown). Thus, the optical sensor detects the protruding portion P1 lifted by the protrusion 9. When the portion P1 protruding from the adhesive belt 2 of the recording medium P is lifted by the protrusion 9, and the reflected light is blocked by the protruding portion P1, the sensor 10 can detect the protruding portion P1. For this reason, by setting the tip position T of the protruding portion so that the protruding portion P guided by the protruding portion 9 is at or above the detection range R2 of the sensor 10, the recording apparatus 1 of this embodiment can The protruding portion P1 guided by the protrusion 9 can be reliably detected with high accuracy.

Further, as shown in FIGS. 1 and 3, the protrusion 9 in the recording apparatus 1 of the present embodiment has a support surface S from the support start position 25 toward the recording head 6 in the conveyance direction A of the recording medium P. It has a wedge shape in which the width in the direction Z intersecting with the width increases.
With such a configuration, the protruding portion P1 is accurately guided by the protrusion 9 as the recording medium P is conveyed. Therefore, the protruding portion P1 guided by the protruding portion 9 can be detected with high accuracy.

Next, the electrical configuration of the recording apparatus 1 of the present embodiment will be described.
FIG. 4 is a block diagram of the recording apparatus 1 of the present embodiment.
The control unit 11 is provided with a CPU 12 that controls the entire recording apparatus 1. The CPU 12 is connected via a system bus 13 to a ROM 14 that stores various control programs executed by the CPU 12, a maintenance sequence, and the like, and a RAM 15 that can temporarily store data.

The CPU 12 is connected to a head drive unit 16 for driving the recording head 6 via the system bus 13.
The CPU 12 is a drive source of a drive roller 3 as a moving mechanism of the carriage belt 18 for moving the carriage 5 and the recording belt P that supports and conveys the recording medium P via the system bus 13. It is connected to a motor drive unit 17 for driving the transport motor 19 and a winding motor 20 that is a drive source of the winding unit 8.
Further, the CPU 12 is connected to the input / output unit 21 via the system bus 13, and the input / output unit 21 is connected to the sensor 10 and the PC 22 that is an external device that inputs recording data and the like to the recording apparatus 1. ing.

  When the sensor 10 detects the protruding portion P1 lifted by the protrusion 9, the control unit 11 controls the head driving unit 16 and the motor driving unit 17 to control the recording head 6, the carriage motor 18, the driving roller 3, and the winding. The drive of the take-up motor 20 is stopped. Thus, the recording operation of the recording apparatus 1 is stopped.

[Example 2] (FIG. 5)
Next, the recording apparatus of Example 2 will be described in detail with reference to the accompanying drawings.
FIG. 5 is a schematic plan view showing the main part of the recording apparatus 1 of the present embodiment. In addition, the structural member which is common in the said Example is shown with the same code | symbol, and abbreviate | omits detailed description.
The recording apparatus 1 according to the present embodiment is the same as the recording apparatus 1 according to the first embodiment except that the protrusions 9 and 23 serving as guide portions are provided outside both end portions E and E in the width direction B of the adhesive belt 2. It is the same composition.

As shown in FIG. 5, in the recording apparatus 1 of the present embodiment, protrusions 9 and 23 as guide portions are provided outside both end portions E and E in the width direction B of the adhesive belt 2.
With this configuration, the recording apparatus 1 according to the present embodiment can accurately detect the protruding portion P1 even if the recording medium P protrudes from any end portion E in the width direction B of the adhesive belt 2. Can be detected well.

[Example 3] (FIG. 6)
Next, the recording apparatus of Example 2 will be described in detail with reference to the accompanying drawings.
FIG. 6 is a schematic side view showing the main part of the recording apparatus 1 of the present embodiment. In addition, the structural member which is common in the said Example is shown with the same code | symbol, and abbreviate | omits detailed description.
The recording apparatus 1 of the present embodiment has the same configuration as that of the recording apparatus 1 of the first embodiment, except that the air blowing section 24 is provided as a guide section instead of the protrusion 9.

As shown in FIG. 6, the recording apparatus 1 according to the present embodiment serves as a guide portion from the direction Z intersecting the support surface S with respect to the protruding portion P <b> 1 instead of the protruding portion 9, i. The air supply part 24 which ventilates is provided. The air blowing unit 24 is connected to the control unit 11 and is driven by the control of the control unit 11.
As described above, the air blowing section 24 is configured to blow air in the direction D from the lower side, which is the side supported by the support surface S of the recording medium P, to the protruding portion P1, and to lift the protruding portion P1 by the wind pressure. Yes. With such a configuration, the recording apparatus 1 of the present embodiment can detect the protruding portion P1 lifted by the blower 24 with high accuracy.

1 recording device, 2 adhesive belt, 3 transport roller, 4 driven roller,
5 Carriage, 6 Multihead, 7 Driven roller, 8 Winding part,
9 Protrusion part (guide part), 10 sensor, 11 control part, 12 CPU,
13 system bus, 14 ROM, 15 RAM, 16 head drive unit,
17 motor drive, 18 carriage motor, 19 transport motor,
20 winding motor, 21 input / output section, 22 PC, 23 protrusion (guide section),
24 blower unit, 25 support start position of the recording medium P, 26 irradiation unit,
E end of adhesive belt 2 in width direction B, F ink ejection surface, P recording medium,
P1 A portion of the recording medium P that protrudes from the end B in the width direction B of the adhesive belt 2;
R1 is a recording area in the recording head 6,
R2 detection range of the sensor 10 in the direction Z intersecting the support surface S, S support surface,
T Tip position of protrusion 9

Claims (8)

An adhesive belt for supporting and transporting a recording medium on a support surface;
A guide portion that is provided outside in the width direction of the adhesive belt and guides a portion of the recording medium that protrudes outside the adhesive belt in a direction away from the support surface;
A recording apparatus comprising: a sensor that detects the protruding portion guided by the guide unit. The recording apparatus according to claim 1,
A recording head for recording on the recording medium;
The recording apparatus, wherein the guide unit and the sensor are provided between a support start position of the recording medium on the adhesive belt and the recording head in a conveyance direction of the recording medium. The recording apparatus according to claim 1 or 2,
The recording apparatus according to claim 1, wherein the guide portion is a protrusion that protrudes from the support surface toward the recording medium. The recording apparatus according to claim 3,
The recording apparatus according to claim 1, wherein a tip position of the protrusion is a position within a detection range of the sensor or a position away from the support surface from a detection range of the sensor in a direction intersecting the support surface. The recording apparatus according to claim 3 or 4,
The recording apparatus according to claim 1, wherein the protrusion has a wedge shape in which a width in a direction intersecting the support surface is increased from the support start position toward the recording head in the conveyance direction of the recording medium. The recording apparatus according to claim 1 or 2,
The recording apparatus according to claim 1, wherein the guide unit is a blowing unit that blows air from a direction intersecting the support surface with respect to the protruding portion. The recording apparatus according to any one of claims 1 to 6,
The recording apparatus according to claim 1, wherein the guide portions are provided on both sides in the width direction of the adhesive belt. The recording apparatus according to any one of claims 1 to 7,
The recording apparatus according to claim 1, wherein the sensor includes a light receiving portion, and detects the protruding portion guided by the guide portion based on presence or absence of light incident on the light receiving portion.

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