JP2016182756A - Liquid discharge device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To move mist generated in conjunction with discharge of a liquid from a discharge part from a movement area of a carriage, which has the discharge part for discharging the liquid to a medium and can move in a reciprocating movement direction, by a simple structure.SOLUTION: A liquid discharge device 1 includes a carriage 6 which has a discharge part 7 for discharging a liquid to a medium and can move in a reciprocating movement direction B, a casing 12 which covers a movement area 18 of the carriage 6, and an air flow receiving chamber 13 which receives air flows W1 and W2 generated by reciprocating movement of the carriage 6. Mist can be moved from the movement area of the carriage 6 by the liquid discharge device 1 of such a simple structure.SELECTED DRAWING: Figure 10

Description

  The present invention relates to a liquid ejection apparatus.

Conventionally, a liquid ejecting apparatus that ejects a liquid such as ink onto a medium such as a recording medium has been disclosed. In such a liquid ejecting apparatus, the liquid mist adheres to and accumulates on the liquid ejecting portion, and the mist droops on the medium in some cases to contaminate the medium. For this reason, the technique which suppresses that mist adheres to the discharge part etc. of a liquid is disclosed.
For example, Patent Documents 1 and 2 disclose a liquid ejection apparatus including a collection unit that collects ink mist generated when ink is ejected from an ejection unit. Note that the liquid ejecting apparatuses disclosed in Patent Documents 1 and 2 are configured to perform recording by reciprocating a carriage having an ejecting unit in a reciprocating direction.

Japanese Patent Laid-Open No. 2004-237691 JP 2014-195887 A

In a liquid discharge apparatus having a discharge section that discharges liquid to a medium and having a carriage that can move in a reciprocating direction, if there is a lot of mist of the liquid in the movement area of the carriage, In some cases, the mist adheres to the ejection part, the ejection accuracy is lowered, and the quality (for example, recording quality) of the medium on which the liquid is ejected is degraded.
Here, the liquid ejection devices of Patent Documents 1 and 2 can suitably move (recover) the ink mist generated when the ink is ejected from the ejection unit from the carriage movement region. The configuration was complicated.

  Therefore, an object of the present invention is to generate a mist generated when the liquid is discharged from the discharge unit from a moving region of a carriage that has a discharge unit that discharges the liquid to the medium and is movable in the reciprocating direction. It is to move with a simple configuration.

  In order to solve the above problems, a liquid ejection apparatus according to a first aspect of the present invention includes a carriage that ejects liquid onto a medium and is movable in a reciprocating direction, and a housing that covers a movement area of the carriage. A body and an airflow receiving chamber for receiving an airflow generated by the reciprocating movement of the carriage.

  In the liquid ejection device according to the second aspect of the present invention, in the first aspect, the air flow receiving chamber extends in the reciprocating direction, and has the air flow receiving ports at both ends of the reciprocating direction. It is characterized by.

  The liquid ejection apparatus according to a third aspect of the present invention is the liquid ejection device according to the first or second aspect, wherein the air flow receiving chamber captures mist generated when the liquid is ejected from the ejection section. It has the part.

  The liquid ejection device according to a fourth aspect of the present invention is the liquid ejection device according to the third aspect, wherein the capturing unit is a filter that is partially fixed in the air flow receiving chamber and whose posture can be changed by the air flow. Features.

  The liquid ejection apparatus according to a fifth aspect of the present invention is characterized in that, in any one of the first to fourth aspects, the air flow receiving chamber is configured to be evacuated.

  In the liquid ejection device according to a sixth aspect of the present invention, in any one of the first to fifth aspects, the air flow receiving chamber has a backflow prevention unit.

  The liquid ejection apparatus according to a seventh aspect of the present invention is the liquid ejection device according to the sixth aspect, wherein an airflow can be introduced into a moving region in the reciprocating movement of the carriage from a path different from the airflow receiving chamber. It is characterized by providing.

  According to the present invention, the mist generated when the liquid is discharged from the discharge unit from the moving region of the carriage having the discharge unit that discharges the liquid to the medium and movable in the reciprocating direction can be easily reduced. Can be moved in configuration.

1 is a schematic perspective view illustrating a recording apparatus according to a first embodiment of the invention. 1 is a schematic perspective view illustrating a recording apparatus according to a first embodiment of the invention. 1 is a schematic side cross-sectional view illustrating a recording apparatus according to a first embodiment of the invention. 1 is a schematic perspective view illustrating a carriage of a recording apparatus according to a first embodiment of the invention. FIG. 2 is a schematic plan view illustrating a carriage of the recording apparatus according to the first embodiment of the invention. FIG. 2 is a schematic front view illustrating a carriage of the recording apparatus according to the first embodiment of the invention. 1 is a schematic side view illustrating a carriage of a recording apparatus according to a first embodiment of the invention. 1 is a block diagram illustrating a recording apparatus according to a first embodiment of the invention. 1 is a schematic perspective view illustrating a recording mechanism of a recording apparatus according to a first embodiment of the invention. 1 is a schematic front view illustrating a recording mechanism of a recording apparatus according to a first embodiment of the invention. FIG. 6 is a schematic front view illustrating a recording mechanism of a recording apparatus according to a second embodiment of the invention. FIG. 6 is a schematic front view illustrating a recording mechanism of a recording apparatus according to a third embodiment of the invention. FIG. 9 is a schematic front view illustrating a recording mechanism of a recording apparatus according to a fourth embodiment of the invention.

[Example 1] (FIGS. 1 to 10)
Hereinafter, a recording apparatus according to an embodiment as a liquid ejection apparatus of the present invention will be described in detail with reference to the accompanying drawings.
Initially, the outline | summary of the recording device 1 which concerns on Example 1 of this invention is demonstrated.
1 and 2 are schematic perspective views of the recording apparatus 1 of the present embodiment. FIG. 3 is a schematic side sectional view of the recording apparatus 1 of this embodiment. FIG. 2 shows a state in which a part of the constituent members such as the housing 12 is removed so that the explanation of the inside of the recording apparatus 1 can be easily understood.

  The recording apparatus 1 of this embodiment includes a transport mechanism 3 that transports a recording medium in the transport direction A by an adhesive belt 2 (endless belt) that supports the recording medium (medium) on a support surface to which an adhesive is attached. I have. In addition, a roll-shaped recording medium can be set, and a feeding unit (not shown) capable of feeding the recording medium to the transport mechanism 3 is provided. In addition, a carriage 6 having a recording head 7 (see FIG. 4) serving as an ejection unit is reciprocally scanned in a reciprocating movement direction B intersecting the recording medium conveyance direction A in a conveyance area of the recording medium by the conveyance mechanism 3. A recording mechanism 4 is provided. Furthermore, a winding mechanism (not shown) capable of winding the recording medium on which recording has been performed in the recording mechanism 4 is provided.

The transport mechanism 3 of the present embodiment includes an adhesive belt 2 that places and transports a recording medium fed from a feeding unit, a driving roller 8 that moves the adhesive belt 2, and a driven roller 9. ing. The recording medium is attached to the support surface of the adhesive belt 2 and placed.
However, the endless belt as the conveying belt is not limited to the adhesive belt. For example, an electrostatic adsorption type endless belt may be used.
The recording apparatus 1 of the present embodiment includes the transport mechanism 3 having such a configuration, but is not limited to the transport mechanism having such a configuration, and the recording medium is supported on a movable support tray or the like. Or a configuration in which a recording medium is conveyed by a pair of rollers or the like. Furthermore, a so-called flood bed type recording apparatus may be used in which a recording medium is fixed to a support portion and recording is performed by moving the recording head 7 with respect to the fixed recording medium.

The recording mechanism 4 includes a carriage motor 30 (see FIG. 8) that reciprocates a carriage 6 including a recording head 7 that can eject ink (liquid) in a reciprocating direction B.
The recording apparatus 1 according to the present embodiment performs recording by reciprocally scanning a carriage 6 including a recording head 7 during recording. During the recording scan (while the carriage 6 is moving), the transport mechanism 3 transports the recording medium. Stop. In other words, during recording, the carriage 6 is reciprocally scanned and the recording medium is conveyed alternately. That is, during recording, the conveyance mechanism 3 intermittently conveys the recording medium (intermittent movement of the adhesive belt 2) corresponding to the reciprocating scanning of the carriage 6.

  The pipe 11a constituting the skeleton part of the recording apparatus 1 of the present embodiment is provided with a rail 10a extending in the reciprocating direction B, and the pipe 11b constituting the skeleton part of the recording apparatus 1 of the present embodiment The rail 10b extended in the reciprocating direction B is comprised. In the carriage 6 of this embodiment, the bearings (not shown) are received by the rails 10a and 10b, so that the movement in the reciprocating direction B is guided by the rails 10a and 10b.

  As shown in FIG. 3, the recording mechanism 4 according to the present embodiment uses the housing 12 and the wall portion 16 to transfer data to the moving area 18 of the carriage 6, an airflow receiving chamber 13, which will be described later, and the carriage 6. And a cable housing portion 36 that houses a cable for transmitting signals and the like. With such a configuration, it is possible to move the mist generated when ink is ejected from the recording head 7 in the moving region 18 of the carriage 6 to the air flow receiving chamber 13, and the mist is connected to the cable. Intrusion into the housing portion 36 is suppressed.

Next, the carriage 6 of the recording apparatus 1 of this embodiment will be described.
4 to 7 are schematic views of the carriage 6 of this embodiment. 4 is a schematic perspective view of the carriage 6 of this embodiment, FIG. 5 is a schematic plan view of the carriage 6 of this embodiment, FIG. 6 is a schematic front view of the carriage 6 of this embodiment, and FIG. FIG. 2 shows a schematic side view of an example carriage 6. FIG.
The carriage 6 of this embodiment is provided with a plurality (six) of sub-carriages 5 having a plurality of recording heads 7. FIGS. 4 and 5 show the plurality of recording heads 7 provided in each sub-carriage 5. It is a perspective view so that the arrangement can be understood.

As shown in FIGS. 5 and 6, a plurality (six) of sub-carriages 5 can be attached to the carriage 6 of this embodiment. As shown in FIGS. 4 and 5, a plurality of recording heads 7 are arranged in a staggered manner in each sub-carriage 5. Each sub-carriage 5 includes a substrate in addition to the plurality of recording heads 7, and a sub-carriage fan 21 for cooling the substrate is provided as shown in FIG. It has been.
Since the sub-carriage fan 21 suppresses a temperature rise inside the sub-carriage 5 by sending (air blowing) an air flow into the sub-carriage 5, if the ink mist is around the sub-carriage fan 21, There is a possibility that the mist is sent into the sub-carriage 5 and attached to the substrate or the like.
For this reason, the recording apparatus 1 according to the present embodiment can move the mist from the moving area 18 of the carriage 6 to the air flow receiving chamber 13 as described above in order to suppress adhesion of the mist to the substrate or the like. I have to.

Further, a frame-like portion 37 is provided for preventing the mist of ink ejected from the recording head 7 from rising upward and adhering to the sub-carriage 5. The frame-like portion 37 functions as a separator that keeps the upper area of the sub-carriage 5 in an area with little mist by suppressing the mist from rising in an area near the recording head 7 where there is much mist. .
Further, on the outside of the frame-shaped part 37 in the reciprocating direction B, airflow generating parts 38a and 38b provided with the carriage fan 20 are provided. In other words, the airflow generating portions 38a and 38b provided outside the frame-shaped portion 37 in the reciprocating movement direction B are located near the opening 39 provided on the downstream side in the conveying direction A in the conveying direction A. A carriage fan 20 that generates an air flow toward the opening 40 on the upstream side is provided.
Here, the carriage 6 according to the present embodiment controls the carriage fan 20 during recording (while the carriage 6 is being moved in the reciprocating movement direction B and ink is being ejected from the recording head 7) under the control of the control unit 23. The mist can be moved to a position where it does not overlap the recording head 7 when viewed from the reciprocating direction B in the moving area 18 of the carriage 6 (upstream side in the conveying direction A).
As described above, the carriage 6 according to the present embodiment is provided with the frame-shaped portion 37 and the airflow generating portions 38a and 38b, and thus is configured not to be particularly affected by mist. However, the present invention is not limited to a recording apparatus including a carriage having such a configuration.

Next, the electrical configuration of the recording apparatus 1 of the present embodiment will be described.
FIG. 8 is a block diagram of the recording apparatus 1 of the present embodiment.
The control unit 23 is provided with a CPU 24 that controls the entire recording apparatus 1. The CPU 24 is connected via a system bus 25 to a ROM 26 that stores various control programs executed by the CPU 24 and a RAM 27 that can temporarily store data.

Further, the CPU 24 is connected to a head driving unit 28 for driving the recording head 7 via the system bus 25.
Further, the CPU 24 is connected to a motor drive unit 29 for driving the carriage motor 30, the conveyance motor 31, the feeding motor 32, the take-up motor 33, the carriage fan motor 19 and the sub-carriage fan motor 22 via the system bus 25. Has been.
Here, the carriage motor 30 is a motor for moving the carriage 6 including the recording head 7. The transport motor 31 is a motor for driving the drive roller 8. The feeding motor 32 is a driving motor for the feeding unit for feeding a recording medium set in a feeding unit (not shown) to the transport mechanism 3. The take-up motor 33 is a drive motor for driving a take-up mechanism (not shown) to take up a recording medium on which recording has been performed. The carriage fan motor 19 is a motor for driving the carriage fan 20. The subcarriage fan motor 22 is a motor for driving the subcarriage fan 21.
Further, the CPU 24 is connected to an input / output unit 34 via a system bus 25, and the input / output unit 34 is connected to a PC 35 for transmitting and receiving data such as recording data and signals.

Next, the airflow receiving chamber 13 which is a main part of the recording apparatus 1 of the present embodiment will be described.
Here, FIG. 9 is a schematic perspective view showing the moving region 18 of the carriage 6 and the airflow receiving chamber 13 which are a part of the recording mechanism 4 of the recording apparatus 1 of the present embodiment. FIG. 10 is a schematic front view showing the moving area 18 of the carriage 6 and the airflow receiving chamber 13 which are a part of the recording mechanism 4 of the recording apparatus 1 of the present embodiment. In FIG. 10, FIG. 10A is a view that collectively shows the movement area 18 of the carriage 6 and the airflow W1 in the airflow receiving chamber 13 when the carriage 6 moves in the direction B1 of the reciprocating movement direction B. FIG. 10B is a diagram illustrating the moving area 18 of the carriage 6 and the airflow W2 in the airflow receiving chamber 13 when the carriage 6 moves in the direction B2 of the reciprocating movement direction B.

As shown in FIG. 9, the carriage 6 of the present embodiment can move in the reciprocating direction B within the movement range R <b> 1 of the carriage 6 from the position P <b> 1 to the position P <b> 2 in the movement region 18 of the carriage 6. . The recording apparatus 1 according to the present embodiment includes a housing 12 that covers the moving area 18 of the carriage 6, and the carriage 6 moves in the direction B1 as shown in FIG. 6 is provided with an air flow receiving chamber 13 capable of receiving the air flow W1 pushed out from the six moving regions 18. As shown in FIG. 10B, the air flow receiving chamber 13 can also receive the air flow W2 pushed out from the moving area 18 of the carriage 6 when the carriage 6 moves in the direction B2.
That is, the recording apparatus 1 of the present embodiment receives a carriage 6 having a recording head 7 for ejecting ink onto a recording medium and movable in a reciprocating direction B, and airflows W1 and W2 generated by the reciprocating movement of the carriage 6. An air flow receiving chamber 13.
For this reason, the recording apparatus 1 of the present embodiment has such a configuration, that is, a simple configuration including the airflow receiving chamber 13, and ink is recorded using the airflows W1 and W2 generated by the reciprocating movement of the carriage 6. The mist generated by the ejection from the head 7 can be moved from the moving area 18 of the carriage 6.
Note that “cover the moving area 18 of the carriage 6” may cover other parts as long as the moving area 18 of the carriage 6 is covered, as in the recording apparatus 1 of the present embodiment. It means that it is not necessary to cover it in a sealed state.

  Further, as shown in FIGS. 10A and 10B, the air flow receiving chamber 13 of the present embodiment extends in the reciprocating direction B, and the air flows W1 and W are provided at both ends of the reciprocating direction B. It has a W2 receiving port 49. That is, the airflow receiving chamber 13 of the present embodiment can receive the airflows W1 and W2 from the receiving ports 49 at both ends in both movement directions B1 and B2 in the reciprocating movement direction B by such a configuration. It has become. For this reason, the mist generated when ink is ejected from the recording head 7 can be efficiently moved from the moving region 18 of the carriage 6.

Further, as shown in FIGS. 9 and 10, the air flow receiving chamber 13 of the present embodiment is accompanied by ink being ejected from the recording head 7 in the vicinity of the receiving ports 49 at both ends in the reciprocating movement direction B. It has a capturing part 17 that can capture the generated mist. Therefore, the mist moved from the moving area 18 of the carriage 6 can be captured and collected by the capturing unit 17.
In addition, although the capture part 17 of a present Example is a filter of the type which permeate | transmits airflow and can capture mist and is fixed to the airflow reception chamber 13, if the mist can be captured, the capture part The configuration of 17 is not particularly limited. The filter here is an absorbing member capable of absorbing the attached liquid.

[Example 2] (FIG. 11)
Next, a recording apparatus according to the second embodiment of the invention will be described.
FIG. 11 is a schematic perspective view showing the recording mechanism 4 of the recording apparatus 1 according to the second embodiment of the invention. FIG. 11A shows the recording mechanism 4 of the recording apparatus 1 of the first embodiment. FIG. 11B corresponds to FIG. 10B showing the recording mechanism 4 of the recording apparatus 1 of the first embodiment.
In addition, the structural member which is common in the said Example 1 is shown with the same code | symbol, and abbreviate | omits detailed description.
The recording apparatus 1 of the present embodiment is different from the recording apparatus 1 of the first embodiment only in the configuration of the air flow receiving chamber 13 that is a main part of the recording apparatus 1 of the present embodiment.

As shown in FIG. 10, the airflow receiving chamber 13 of the first embodiment configures the capturing unit 17 with a filter that is fixed to the airflow receiving chamber 13.
On the other hand, as shown in FIG. 11, the airflow receiving chamber 13 of the present embodiment is partially fixed (in the upper part) inside the airflow receiving chamber 13 and is hung inside the airflow receiving chamber 13. It is composed of a filter (absorbing member). For this reason, the capturing unit 17 of the present embodiment can change the posture by the airflows W1 and W2, and does not block the airflows W1 and W2 generated by the reciprocating movement of the carriage 6 inside the airflow receiving chamber 13. That is, the recording apparatus 1 of the present embodiment can efficiently receive the air currents W1 and W2 having mist from the moving region 18 of the carriage 6 in the air current receiving chamber 13, and can capture and collect the mist inside the air current receiving chamber 13. It can be configured.
The air flow receiving chamber 13 of the present embodiment has a configuration having a plurality of flexible filters at both end portions in the reciprocating movement direction B. However, the configuration is not limited to such a configuration, and the air flow receiving chamber 13 is entirely inside. A configuration in which a flexible filter is provided may be used. For example, a configuration in which a flexible filter is provided in which the central portion in the reciprocating movement direction B has a higher density than both end portions may be used.

[Example 3] (FIG. 12)
Next, a recording apparatus according to the third embodiment of the invention will be described.
FIG. 12 is a schematic perspective view illustrating the recording mechanism 4 of the recording apparatus 1 according to the third embodiment of the invention. FIG. 12A illustrates the recording mechanism 4 of the recording apparatus 1 according to the first embodiment. FIG. 12B corresponds to FIG. 10B showing the recording mechanism 4 of the recording apparatus 1 of the first embodiment.
In addition, the structural member which is common in the said Example 1 and 2 is shown with the same code | symbol, and abbreviate | omits detailed description.
The recording apparatus 1 of the present embodiment is different from the recording apparatuses 1 of the first and second embodiments only in the configuration of the air flow receiving chamber 13 that is a main part of the recording apparatus 1 of the present embodiment.

As shown in FIG. 10, the air flow receiving chamber 13 according to the first embodiment flows the air flows W1 and W2 from one end portion in the reciprocating movement direction B, and the air flow W1 from the other end portion in the reciprocating movement direction B. And W2 can flow out.
On the other hand, as shown in FIG. 12, the air flow receiving chamber 13 of the present embodiment is connected to a duct 41 connected to the outside of the recording apparatus 1, and is configured to be able to exhaust the air flows W <b> 1 and W <b> 2 through the duct 41. ing. This is the only difference from the recording apparatus 1 of the first embodiment. For this reason, it becomes easy to receive the airflows W1 and W2 pushed out from the moving area 18 of the carriage 6 by the movement of the carriage 6, and the airflows W1 and W2 generated by the reciprocating movement of the carriage 6 in the airflow receiving chamber 13 are efficiently received. It is configured to be acceptable.

Example 4 (FIG. 13)
Next, a recording apparatus according to the fourth embodiment of the invention will be described.
FIG. 13 is a schematic perspective view illustrating the recording mechanism 4 of the recording apparatus 1 according to the third embodiment of the invention. FIG. 13A illustrates the recording mechanism 4 of the recording apparatus 1 according to the first embodiment. FIG. 13B corresponds to FIG. 10B showing the recording mechanism 4 of the recording apparatus 1 of the first embodiment.
In addition, the structural member which is common in the said Examples 1-3 is shown with the same code | symbol, and abbreviate | omits detailed description.
The recording apparatus 1 according to the present embodiment is different from the recording apparatus 1 according to the first to third embodiments only in the configuration of the airflow receiving chamber 13 and the partial configuration of the housing 12 which are the main parts of the recording apparatus 1 of the present embodiment. .

As shown in FIG. 10, the airflow receiving chamber 13 of the first to third embodiments has a configuration including a capturing unit 17 that can capture mist generated when ink is ejected from the recording head 7. there were.
On the other hand, as shown in FIG. 13, the air flow receiving chamber 13 of the present embodiment has a backflow prevention unit 42 instead of the capturing unit 17. For this reason, it has the structure which can suppress that the airflow W1 and W2 which have mist from the airflow reception chamber 13 to the movement area | region 18 of the carriage 6 flow backward.
In addition, the backflow prevention unit 42 of the present embodiment includes a rotation shaft 43 in the direction along the conveyance direction A, a lid portion 44 that can rotate in the rotation direction C with respect to the rotation shaft 43, and the airflow receiving chamber 13. And a restricting portion 45 that restricts the rotation of the lid portion 44 in the direction from the inside toward the outside. Then, the lid part 44 rotates inside the airflow receiving chamber 13 so that the airflows W1 and W2 flow into the airflow receiving chamber 13, and the lid part 44 is restricted by the restricting part 45 so that the airflows W1 and W2 are changed. The airflow receiving chamber 13 is prevented from flowing out of the airflow receiving chamber 13. However, the configuration of the backflow prevention unit 42 is not particularly limited. Of course, the capturing unit 17 may be provided inside the airflow receiving chamber 13.

Further, the moving area 18 of the carriage 6 in the casing 12 of the recording apparatus 1 of the present embodiment is provided with an airflow inflow portion 46 that is a path different from the airflow receiving chamber 13 and into which the airflows W3 and W4 can flow. ing. That is, the recording apparatus 1 of the present embodiment is configured to generate the airflows W1 to W4 in the order of the airflow inlet 46, the moving area 18 of the carriage 6, and the airflow receiving chamber 13. For this reason, the recording apparatus 1 of the present embodiment is configured to be able to efficiently move the mist generated when ink is ejected from the recording head 7 from the moving area 18 of the carriage 6. .
In addition, the airflow inflow portion 46 of this embodiment includes a rotation shaft 47 in the direction along the conveyance direction A and a lid portion 48 that can rotate in the rotation direction C with respect to the rotation shaft 47. The rotation of the lid portion 48 in the direction from the inside to the outside of the airflow inflow portion 46 is restricted by a part of the airflow inflow portion 46. Then, the lid portion 48 rotates inside the airflow inflow portion 46 so that the airflows W3 and W4 flow into the airflow inflow portion 46, and the lid portion 48 is restricted by a part of the housing 12 so that the airflow W3. And W4 are prevented from flowing out of the airflow inlet 46. However, the configuration of the airflow inlet 46 is not particularly limited.

In addition, this invention is not limited to the said Example, A various deformation | transformation is possible within the range of the invention described in the claim, and it cannot be overemphasized that they are also contained in the scope of the present invention.
The present invention has been described in detail based on the specific embodiments. Here, the present invention will be described once more collectively.

  The liquid ejection apparatus 1 according to the first aspect of the present invention includes a ejection unit 7 that ejects liquid onto a medium, a carriage 6 that can move in a reciprocating movement direction B, and a casing 12 that covers a movement region 18 of the carriage 6. And an airflow receiving chamber 13 for receiving the airflows W1 and W2 generated by the reciprocating movement of the carriage 6.

According to this aspect, the air flow receiving chamber 13 that receives the air flows W1 and W2 generated by the reciprocating movement of the carriage 6 is provided. For this reason, the mist generated when the liquid is discharged from the discharge portion 7 using the air flows W1 and W2 generated by the reciprocating movement of the carriage 6 with a simple configuration including the air flow receiving chamber 13 is obtained. It can be moved from the movement area 18 of the carriage 6.
Note that “covering the moving area 18 of the carriage 6” means that it may cover other parts as long as it covers at least the moving area 18 of the carriage 6, and does not need to be covered in a sealed state. It is.

  In the liquid ejection device 1 according to the second aspect of the present invention, in the first aspect, the air flow receiving chamber 13 extends in the reciprocating movement direction B, and the air flows W1 and W2 are received at both ends of the reciprocating movement direction B. It is characterized by having an inlet 49.

  According to this aspect, the air flow receiving chamber 13 extends in the reciprocating movement direction B, and has air inlets 49 for the air flows W1 and W2 at both ends of the reciprocating movement direction B. That is, in both the movement directions B1 and B2 in the reciprocating movement direction B, the airflows W1 and W2 can be received from the receiving ports 49 at both ends. For this reason, it is possible to efficiently move the mist generated when the liquid is discharged from the discharge portion 7 from the moving region 18 of the carriage 6.

  In the liquid ejection device 1 according to the third aspect of the present invention, in the first or second aspect, the air flow receiving chamber 13 can capture the mist generated when the liquid is ejected from the ejection section 7. It has the capturing part 17.

  According to this aspect, the air flow receiving chamber 13 includes the capturing unit 17 that can capture the mist generated when the liquid is ejected from the ejecting unit 7. Therefore, the mist moved from the moving region 18 of the carriage 6 can be captured and collected by the capturing unit 17.

  In the liquid ejection device 1 according to the fourth aspect of the present invention, in the third aspect, the capturing unit 17 is a filter that is partially fixed inside the airflow receiving chamber 13 and that can change the posture by the airflows W1 and W2. It is characterized by being.

  According to this aspect, the capturing unit 17 is a filter that is partially fixed inside the airflow receiving chamber 13 and that can change its posture by the airflows W1 and W2. Therefore, the airflow W1 and W2 generated by the reciprocating movement of the carriage 6 in the airflow receiving chamber 13 is not blocked, that is, the airflow W1 and W2 having mist from the moving area 18 of the carriage 6 is efficiently generated in the airflow receiving chamber 13. The mist can be captured and collected inside the airflow receiving chamber 13.

  The liquid ejection apparatus 1 according to the fifth aspect of the present invention is characterized in that, in any one of the first to fourth aspects, the air flow receiving chamber 13 is configured to be evacuated.

  According to this aspect, the air flow receiving chamber 13 is configured to be evacuated. For this reason, the airflows W1 and W2 generated by the reciprocating movement of the carriage 6 can be efficiently received in the airflow receiving chamber 13.

  The liquid ejection apparatus 1 according to the sixth aspect of the present invention is characterized in that, in any one of the first to fifth aspects, the air flow receiving chamber 13 includes a backflow prevention unit 42.

  According to this aspect, the air flow receiving chamber 13 has the backflow prevention unit 42. For this reason, it can suppress that the airflow W1 and W2 which have mist from the airflow reception chamber 13 to the movement area | region 18 of the carriage 6 flow backward.

  The liquid ejection device 1 according to the seventh aspect of the present invention is the air ejection device according to the sixth aspect, in which the airflow can flow into the moving region 18 in the reciprocating movement of the carriage 6 from a path different from the airflow receiving chamber 13. An inflow portion 46 is provided.

  According to this aspect, the moving area 18 in the reciprocating movement of the carriage 6 includes the airflow inflow portion 46 that can flow in the airflows W3 and W4 from a path different from the airflow receiving chamber 13. That is, the airflows W1 to W4 can be generated in the order of the airflow inlet 46, the carriage movement region 18, and the airflow receiving chamber 13. For this reason, it is possible to efficiently move the mist generated when the liquid is discharged from the discharge portion 7 from the moving region 18 of the carriage 6.

1 recording device (liquid ejection device), 2 adhesive belt, 3 transport mechanism, 4 recording mechanism,
5 Sub-carriage, 6 Carriage, 7 Recording head (ejection unit), 8 Drive roller,
9 driven roller, 10a, 10b rail, 11a, 11b pipe, 12 housing,
13 air flow receiving chamber, 16 wall portion, 17 capturing portion, 18 movement region of carriage 6,
19 Carriage fan motor, 20 Carriage fan,
21 sub-carriage fan, 22 sub-carriage fan motor, 23 control unit,
24 CPU, 25 system bus, 26 ROM, 27 RAM,
28 head drive unit, 29 motor drive unit, 30 carriage motor,
31 conveying motor, 32 feeding motor, 33 winding motor, 34 input / output unit,
35 PC, 36 Cable housing part, 37 Frame part, 38a, 38b Airflow generating part,
39 opening part, 40 opening part, 41 duct, 42 backflow prevention part, 43 rotating shaft,
44 lid part, 45 regulating part, 46 airflow inflow part, 47 rotating shaft, 48 lid part,
49 receiving port, position of P1 carriage 6, position of P2 carriage 6,
R1 Movement range of carriage 6, W1, W2, W3, W4 Airflow

Claims (7)

A carriage having a discharge part for discharging liquid onto a medium and movable in a reciprocating direction;
A housing that covers a moving area of the carriage;
An air flow receiving chamber for receiving an air flow generated by the reciprocating movement of the carriage;
A liquid ejection apparatus comprising: The liquid ejection apparatus according to claim 1,
The liquid discharge device, wherein the air flow receiving chamber is extended in the reciprocating direction, and has air flow receiving ports at both ends of the reciprocating direction. The liquid ejection device according to claim 1 or 2,
The air flow receiving chamber has a capturing unit capable of capturing a mist generated when the liquid is ejected from the ejecting unit. The liquid ejection apparatus according to claim 3, wherein
A part of the capturing unit is a filter that is fixed in the air flow receiving chamber and whose posture can be changed by the air flow. The liquid ejection apparatus according to any one of claims 1 to 4, wherein
The liquid discharge device, wherein the air flow receiving chamber is configured to be evacuated. The liquid ejection apparatus according to any one of claims 1 to 5,
The liquid discharge device, wherein the air flow receiving chamber includes a backflow prevention unit. The liquid ejection apparatus according to claim 6, wherein
The liquid ejecting apparatus according to claim 1, further comprising: an airflow inflow portion capable of flowing an airflow from a path different from the airflow receiving chamber in a moving region in the reciprocating movement of the carriage.

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