JP2003094743A - Inkjet textile printing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an inkjet textile printing device capable of printing on both of a thick cloth in which ink is not permeated to the rear face and a thin cloth in which ink is permeated to the rear face without staining the cloths by the single device. SOLUTION: This inkjet textile printing device records on a cloth 1 by ejecting the ink from a nozzle of a recording head 3. A recording section for recording by ejecting the ink from the nozzle of the recording head 3 is provided between conveyance rollers 2a, 2b which are provided in parallel at a predetermined distance to convey the cloth 1. An ink receiver 4 for receiving the ink ejected from the nozzle of the recording head 3 is provided at the side of the rear face of the cloth 1 at the recording section. A conveyance guide plate 5 for guiding the cloth 1 is detachably provided on the upper face of the ink receiver 4 in a direction perpendicular to the conveyance direction of the cloth 1 such that the conveyance guide plate 5 is contacted with the rear face of the cloth 1 so as to maintain the plane property of the cloth 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ink jet printing apparatus for printing a pattern on a cloth by ejecting ink from a recording head.

[0002]

2. Description of the Related Art Conventionally, a screen printing method, a rotary screen printing method, a roller printing method, a transfer printing method and the like have been generally known as a method for printing a pattern on a cloth. In recent years, ink is ejected from a recording head. As a result, with the development of an inkjet recording device for recording an image, an inkjet printing method has been tried in which the inkjet recording device is applied to textile printing.

An ink jet printing apparatus for carrying out such an ink jet printing method, in the process of feeding the cloth unwound from the original roll, between the feeding members, for example, feeding rollers arranged in parallel at predetermined intervals, A desired pattern is printed on the surface of the cloth by ejecting ink from the nozzles of the recording head.

In order to print a clear and high-quality pattern, it is required to maintain the flatness of the surface of the cloth in the recording section for recording by ejecting ink from the nozzles of the recording head onto the surface of the cloth. To be done. For this reason, a constant tension is applied to the cloth between the conveying rollers to keep the cloth in a tensioned state, and a flat conveyance guide plate is provided on the back surface side of the cloth in the recording portion, and the flat guide guide plate is brought into contact with the back surface of the cloth to make the cloth. The conveyance is guided so that the flatness of the surface of the cloth in the recording unit is maintained.

[0005]

Generally, a cloth is woven from fibers and therefore has a coarser mesh than paper. Therefore, when printing is performed on a thin cloth using an inkjet printing apparatus, there is a problem of strike-through in which ink attached to the front surface of the cloth passes through to the back surface of the cloth. For example, decine cloth (warp yarn 75 denier, 163 threads /
Inch: Weft thread 75 denier, 102 threads / inch) or cotton broad cloth (warp thread 40 denier, 120 threads / inch; weft thread 40 denier, 80 threads / inch) It has been confirmed by the inventors.

The ink that has passed through the cloth contaminates the surface of the conveyance guide plate that supports the back surface of the cloth in the recording portion, and the ink that has adhered to the cloth adheres to the back surface of the cloth that follows in the course of conveying the cloth. Then, there is a problem that the cloth is soiled. Therefore, when printing on a thin cloth, the same device as when printing on a thick cloth cannot be used.

In addition, there is a case where so-called borderless printing is performed by scanning the cloth with the recording head to the full width.
At this time, since the ink is ejected from the nozzles of the recording head to a position that slightly protrudes from both end portions of the cloth in the conveyance direction, the surplus ink that has protruded adheres to the surface of the conveyance guide plate and contaminates the surface. . Therefore, when the cloth passes over the contaminated portion on the surface of the transport guide plate thereafter,
There is a problem of contaminating the fabric.

Therefore, an object of the present invention is to provide a single device,
To provide an inkjet printing apparatus capable of printing on both a thick cloth in which ink strikethrough does not occur and a thin cloth in which ink strikethrough occurs without causing contamination of the cloth. is there.

Another object of the present invention is to fabricate, with a single device, a thick cloth in which ink strikethrough does not occur and a thin cloth in which ink strikethrough occurs, in both cases. The printing can be performed without causing the contamination of the surface, and the so-called borderless printing is performed by scanning the recording head to the width direction with respect to the cloth whose back surface is supported so as to maintain the flatness of the surface to a higher degree. Even in the case, it is an object of the present invention to provide an inkjet printing apparatus that does not cause the cloth to be contaminated by the overflowing ink.

[0010]

The invention according to claim 1 for solving the above-mentioned problems is an ink-jet printing apparatus for recording on a cloth by ejecting ink from nozzles of a recording head, at a predetermined interval. A recording unit for ejecting ink from the nozzles of the recording head to perform recording is provided between the conveyance rollers that are arranged in parallel and convey the fabric, and ejected from the nozzles of the recording head on the back side of the fabric in the recording unit. Conveyance that provides an ink receiver for receiving the formed ink, and guides the upper surface of the ink receiver so as to contact the back surface of the cloth in a direction orthogonal to the conveyance direction of the cloth so that the cloth has planarity. An ink jet textile printing apparatus, wherein a guide plate is detachably provided.

According to a second aspect of the present invention, the conveyance guide plate is divided in a direction orthogonal to the conveyance direction of the cloth, and each of the conveyance guide plates is composed of a plurality of members that are independently removable. The inkjet printing apparatus according to 1.

According to a third aspect of the present invention, any two members of the plurality of members forming the conveyance guide plate are positioned so as to straddle the side end portions of the conveyed cloth. The inkjet printing device according to claim 2.

The invention according to claim 4 is characterized in that a plurality of rib-shaped guide members extending along the transport direction of the cloth are provided in parallel in the ink receiver at predetermined intervals. The inkjet printing apparatus according to any one of 1 to 3.

According to a fifth aspect of the present invention, the guide member is provided on the back surface of the cloth in a close proximity to the back surface of the cloth so that the guide member is located upstream in the carrying direction and downstream in the carrying direction with respect to the position facing the nozzle of the recording head. The inkjet printing device according to claim 4, wherein the structure is such that the back surface of the fabric is not guided immediately below the nozzle.

According to a sixth aspect of the present invention, there is provided the ink jet textile printing apparatus according to the fourth or fifth aspect, wherein an upper edge of the guide member facing the back surface of the cloth is rounded at the top.

According to a seventh aspect of the invention, there is provided the ink jet textile printing apparatus according to the fourth or fifth aspect, wherein an upper edge of the guide member facing the back surface of the cloth has water repellency.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a side sectional view showing a schematic structure of the periphery of a recording portion which is a main portion of an ink jet textile printing apparatus, and FIG. 2 is a perspective view of the main portion. In the figure, 1 is a cloth, 2 is a conveying member, and 3 is a recording head.

The cloth 1 is wound around the original roll 1a, and the conveying member 2
It is adapted to be conveyed in the direction of the outlined arrow shown in the figure.

The conveying member 2 is composed of two conveying rollers 2a and 2b arranged in parallel with each other so as to contact the back surface of the cloth 1 at a predetermined interval. A motor (not shown) is connected to one of the transport rollers,
The driving force is also transmitted to the other conveying roller side via a timing belt or the like. As a result, when the motor is intermittently driven at a predetermined speed, the conveyance rollers 2a,
Both 2b rotate intermittently, and the cloth 1 is intermittently fed out from the original roll 1a.

The recording head 3 is, for example, Y (yellow),
A plurality of ink tanks in which dye inks of respective colors such as M (magenta), C (cyan), and K (black) are stored, and a plurality of ink tanks for ejecting ink in the respective color ink tanks into minute droplets It is configured to have a nozzle, the nozzle is arranged so as to face the surface of the cloth 1 and is mounted on a carriage (not shown), and is capable of scanning along a direction substantially orthogonal to the conveyance direction of the cloth 1. There is. Further, the recording head 3 is configured so that the distance between its nozzle and the surface of the cloth 1 can be adjusted.

A constant tension (200 to 800 g / 100 mm) is applied to the cloth 1 in its conveying direction by a tension generating means (not shown) such as a tension roller.
The cloth 1 is maintained in an appropriate tension state between the transport rollers 2a and 2b so that the flatness of the surface is maintained.
The smooth surface between the transport rollers 2a and 2b serves as a recording portion of the cloth 1, and the recording head 3 discharges ink from the nozzles to the recording portion when the intermittent transportation of the cloth 1 is stopped. While scanning in the width direction of the cloth 1, desired patterns are printed. When the scanning of the recording head 3 is completed, the cloth 1 is conveyed by the conveying unit 2 by a predetermined amount, and the above operation is repeated.

An ink receiver 4 is provided between the transport rollers 2a and 2b so as to be located on the back side of the cloth 1.
The ink receiver 4 has four side walls 41 so as to receive the ink that has penetrated the fabric 1 when the fabric 1 is thin so that the ink ejected from the recording head 3 will be masked. It is formed in a box shape having an enclosed rectangular shape in a plan view, and has the maximum recordable width of the cloth 1 (conveying roller 2
The width is larger than the width in the axial direction of a and 2b).

A transport guide plate 5 is detachably provided on the upper surface of the ink receiver 4 so as to close the upper surface opening of the ink receiver 4. The surface of the transport guide plate 5 is formed in a flat plate shape. The surface of the transport guide plate 5 abuts the back surface of the cloth 1 between the transport rollers 2a and 2b so that the surface of the cloth 1 in the meantime is highly flat. invite. Since the conveyance guide plate 5 is for not only maintaining the flatness at the time of recording on the surface of the fabric 1 only by the tension but also imparting a higher degree of flatness, its length (transportation of the fabric 1 The length along the direction) is at least the nozzle width of the recording head 3 (the length along the transport direction of the cloth 1) or more.

The transport guide plate 5 may be provided on the upper surface of the ink receiver 4 and in contact with the back surface of the cloth 1 so as to maintain the flatness of the front surface of the cloth 1 during the transportation.
A stay for attaching the transport guide plate 5 may be provided around the ink receiver 4, and the stay may be detachably provided to the stay. Therefore, it is not always necessary to be directly attachable to and detachable from the ink receiver 4, but here the ink receiver 4
The transport guide plate 5 is directly attachable to and detachable from
This is a preferred embodiment from the viewpoint of being able to simplify the device.
FIG. 3 is a perspective view of essential parts showing a state where the transport guide member 5 is removed.

When the transport guide plate 5 is removed from the upper surface of the ink receiver 4, as shown in FIG. 4A, the upper edge 41a of the side wall 41 of the ink receiver 4 and the transport rollers 2a, 2 are provided.
The back surface of the cloth 1 between b is provided with a predetermined distance L1 so that the cloth 1 does not come into contact with each other when the cloth 1 is conveyed or stopped, and the back surface of the cloth 1 in a tension state between the conveyance rollers 2a and 2b. Has nothing to touch. This is because the upper edge 41a of the side wall 41 of the ink receiver 4 is soiled by the ink that oozes out on the back surface of the fabric 1, and the subsequent fabric 1 comes into contact with the upper edge 41a to contaminate the back surface of the fabric 1. This is to prevent

When the transport guide plate 5 is attached here, the upper part of the ink receiver 4 is raised by at least the thickness of the transport guide plate 5, and the transport guide plate 5 is the cloth 1.
Since it is necessary to make contact with the back surface of the cloth 1, as shown in FIG. 4B, the cloth 1 in a tension state between the transport rollers 2a and 2b is slightly pushed up from the back surface. At this time, by adjusting the height of the recording head 3,
The distance between the nozzle of the recording head 3 and the surface of the cloth 1 is kept constant.

There is no particular limitation on the construction in which the transport guide plate 5 can be attached to and detached from the ink receiver 4, but if a magnet is used as a fixture, the transport guide plate 5 can be easily fixed to the ink receiver 4 closely. It is preferable because it is possible and can be easily removed.

Since the transport guide plate 5 is detachable in this way, when printing is performed on the relatively thick cloth 1 which is free from ink strike-through, the transport guide plate 5 is attached. Then, by bringing the cloth 1 into contact with the back surface of the cloth 1 in the recording section, the cloth 1
The surface flatness can be maintained at a high level, and when the cloth 1 is switched to a relatively thin one in which there is a risk of ink strike-through, by removing the transport guide plate 5,
The ink receiver 4 can be made to face the back surface of the cloth 1, and the ink that has passed through the cloth 1 can be stored in the ink receiver 4. In this case, since there is no contact with the back surface of the cloth 1 in the recording portion, there is no possibility that the ink that has passed through the cloth 1 may contaminate the cloth 1 itself. Therefore, according to such a device,
It is possible to print without impairing the flatness of the surface of a thick fabric, and to print on a thin fabric without the problem of contamination, and one device can be used for both thick and thin fabrics. be able to.

FIG. 5 is a perspective view of an essential part of an ink jet textile printing apparatus according to another embodiment. Here, the cloth and the recording head are not shown.

In this embodiment, the transport guide plate 5
Are divided in a direction orthogonal to the conveyance direction of the cloth 1, and each of them is composed of a plurality of members 5a, 5b, 5c ... As a result, the weight of the transport guide member 5 is distributed to the respective members 5a, 5b, 5c, ... Therefore, it is possible to reduce the labor during the detaching work, and at the same time, the removed members 5a, 5b, 5c ,. It is also possible to save space when storing.

The number of divisions of the transport guide plate 5 and the width of each member are not particularly limited, but any two members out of the plurality of members 5a, 5b, 5c.
It is preferable that the cloth 1 is positioned so as to straddle the side edges of the cloth 1 to be conveyed.

FIG. 6 shows the conveyance guide plate 5 with 5a to 5e.
The figure shows the case of division into one member. Of these, the members 5b and 5d indicated by diagonal lines are located so as to straddle the side edges of the fabric 1, respectively. When the cloth 1 is a relatively thick cloth in which there is no risk of ink strike-through, the transport guide plate 5
By mounting all of the five members 5a to 5e constituting the above on the upper surface of the ink receiver 4, the conveyance guide plate 5 composed of the members 5a to 5e can be provided on the back surface of the cloth 1 in the recording section in exactly the same manner as the embodiment shown in FIG. The cloth 1 is guided by contacting with and supporting the cloth 1 so as to maintain the flatness of the surface of the cloth 1 at a high level. Ink that has passed through 1 can be stored in the ink receiver 4. At this time, the members 5a-5
Of 5e, the members 5b to 5d that are in contact with the back surface of the fabric 1
It suffices to remove only the member, and not all the members 5a.
No need to remove ~ 5e.

When so-called borderless printing is performed on the relatively thick cloth 1 which does not cause ink strike-through, the members 5b and 5d located so as to straddle the side edges of the cloth 1 respectively. If only two of them are removed, the ink receivers 4 are exposed on the back surfaces of both end portions of the cloth 1, so that the surplus ink protruding from the both end portions of the cloth 1 can be stored in the ink receiver 4 and Transport guide plate 5 (member 5
b, 5d) There is no problem of surface contamination. Moreover, since the member 5c is in contact with the back surface of most of the fabric 1,
The flatness of the cloth 1 is not impaired.

In order to be able to deal with various widths of the cloth applied to the present apparatus, the cloth having any width can be applied by appropriately setting the number of divisions of the conveyance guide plate 5 and the width of each member. It is preferable that at least any two members of the transport guide plate 5 are positioned so as to straddle their side end portions.
For example, the standard size of fabric is 36 inches wide, 44
Considering that fabrics having different widths of inch width and 60 inch width are applied, as shown in FIG.
The transport guide plate 5 having a width of 00 mm is attached to the member 5 having a width of 100 mm.
By dividing into 16 parts a to 5p, it is possible to position any two members of the transport guide plate 5 so as to always straddle the side edges of the cloth, regardless of the width of the cloth applied. is there.

In the present invention, it is preferable to provide a guide member in the ink receiver 4 for maintaining the flatness of the fabric 1 when the transport guide plate 5 is removed and printing is performed on the thin fabric 1. .

FIG. 8 is a perspective view of an essential part showing a state where the transport guide plate 5 is removed, and FIG. 9 is a side sectional view thereof.

In this mode, the rib-shaped guide member 6 is provided in the ink receiver 4. Here, the guide member 6
Has a plate shape. More specifically, the guide member 6
Is an appropriate material such as metal or plastic.
It is formed in a flat plate shape with a thickness of about 5 to 1.0 mm, and is erected in the ink receiver 4 so that its upper edge extends along the transport direction of the cloth 1, and the axial direction of the transport rollers 2a, 2b. A plurality of them are provided in parallel at predetermined intervals along the direction.

This guide member 6 supports the back surface of the cloth 1 when the cloth 1 is bent when the cloth 1 is printed on the thin cloth 1 with the transport guide plate 5 removed, and the flat surface of the surface of the cloth 1 is supported. Functions to maintain sex. But,
If too many guide members 6 are erected in the ink receiver 4 along the axial direction of the transport rollers 2a and 2b, the fabric 1
The area of contact with the back surface of the cloth 1 becomes large, and the degree of contamination by the ink that has passed through the cloth 1 increases, which is not preferable. The standing interval of the guide members 6 is appropriately set from the viewpoint of maintaining the flatness of the cloth 1 at the time of recording and suppressing the contact area with the cloth 1 to be small to prevent the cloth 1 from being contaminated. .

Here, the axial distance between the transport rollers 2a and 2b is 100 to 120 mm, the shortest distance between the surfaces of the transport rollers 2a and 2b is 40 to 50 mm, and the ink receiver 4 is spaced at 10 mm intervals. The two guide members 6, 6 standing upright are set as one set, and each set is set up in parallel at 100 mm intervals.

Each of the guide members 6 is provided close to the back surface of the cloth 1 on the upstream side and the downstream side in the carrying direction of the cloth 1, and the back surface of the cloth 1 that is about to bend toward the ink receiving side 4 It has guide portions 6a, 6b that abut on and support the fabric 1, and guide the fabric 1 so as to maintain the flatness of the surface. One guide portion 6a is located on the upstream side in the transport direction of the fabric 1 with respect to the position facing the nozzles of the recording head 3, and the other guide portion 6b is located on the fabric 1 side with respect to the position facing the nozzles of the recording head 3. It is located on the downstream side in the transport direction.

A connecting portion 6c for connecting the guide portions 6a and 6b is formed in the portion sandwiched between the guide portions 6a and 6b, being farther from the back surface of the fabric 1 than the guide portions 6a and 6b. Therefore, even if the thin cloth 1 is slightly bent due to the weight of the ink, the thin cloth 1 does not come into contact with the back surface of the cloth 1 in normal conveyance. Therefore, the connecting portion 6c has a structure in which the back surface of the cloth 1 is not guided. This is because when the upper end edge of the guide member 6 facing the back surface of the cloth 1 guides the back surface of the cloth 1 over the entire section between the transport rollers 2a and 2b, the cloth 1 is moved right below the recording head 3 in particular. This is because the strike-through ink may adhere to the upper edge of the guide member directly below the recording head 3 and contaminate the back surface of the cloth 1 that is conveyed next. The connecting portion 6c has a structure in which the back surface of the fabric 1 is not guided, so that the above-mentioned problem is solved and the guide portion 6 is provided.
It is possible to configure one guide member 6 having a substantially concave shape in a side view with a and 6b and the connecting portion 6c, and reduce the number of parts compared to separately forming the guide portions 6a and 6b and erected individually. The fabric 1 can be guided with a simple structure. Moreover, thereby, it becomes easy to stand the guide portions 6a and 6b in a substantially straight line along the transport direction of the cloth 1.

Similarly, from the viewpoint of preventing the cloth 1 from being contaminated as much as possible, the guide member 6 has a guide portion 6b located on the downstream side of the guide member 6 with the upper end surface thereof being conveyed, as shown in FIG. It is preferable to provide a space L2 from the back surface of As a result, the guide portion 6b becomes the cloth 1
Only when the ink is bent downward, the back surface is supported to prevent further bending, and the guide is performed so as to maintain the flatness. Therefore, it is possible to avoid contamination of the guide portion 6b by the ink that has penetrated through as much as possible. it can. The distance L2 is preferably about 1 to 2 mm.

The guide portion 6 on the downstream side of the guide member 6
The upper edge of b and the upper edge 41a of the side wall 41 of the ink receiver 4 have a height relationship in which the upper edge 41a of the side wall 41 of the ink receiver 4 is slightly lower. As a result, thin fabric 1
Even if the ink is bent downward and comes into contact with the upper edge of the guide portion 6b of the guide member 6, the side wall 41 of the ink receiver 4
The upper edge 41a is not contacted.

The guide portion 6 on the upstream side of the guide member 6
Since a is located on the upstream side in the transport direction of the cloth 1 with respect to the position facing the nozzles of the recording head 3, recording is not performed in this portion, and therefore the problem of strike-through of ink does not occur. Therefore, the upper end surface of the guide portion 6a may be arranged as close as possible to the back surface of the cloth 1, or may be brought into contact with the back surface of the cloth 1.

The upper edge of the guide member 6 facing the back surface of the cloth 1 is preferably formed in a narrow width as shown in FIG. 11, and the top 61 thereof is preferably rounded. This can reduce the risk of damaging the fabric 1 even if the top 61 comes into contact with the back face of the fabric 1, and makes line contact when coming into contact with the back face of the fabric 1. It is possible to avoid contamination by ink that has passed through 1 as much as possible. Similarly, from the viewpoint of reducing the risk of damage when the fabric 1 is conveyed, as shown in FIG. 10, the corner portion 62 of the upper end edge of the guide portion 6b on the downstream side of the guide member 6 is chamfered or rounded. Is preferably provided.

The upper edge of the guide member 6 facing the back surface of the cloth 1 preferably has water repellency.
This is because the ink that has passed through the cloth 1 is less likely to adhere to the guide member 6.

In order for the upper edge of the guide member 6 facing the back surface of the cloth 1 to have water repellency, it is generally realized by subjecting the surface to water repellency. Such water-repellent treatment can be performed by applying a water-repellent material to the upper edge, for example.

The water-repellent material is not particularly limited as long as it exhibits water repellency, and the following materials can be given as examples.

Polybutylene terephthalate, polyethylene, tetrafluoroethylene / perfluoroalkoxyethylene copolymer resin, polyacetal, polypropylene, polytetrafluoroethylene, polyvinyl chloride, phenol resin,
Modified polyphenylene ether, modified polyphenylene oxide, polycarbonate, ethylene propylene rubber,
Silicon rubber, nitrile rubber, chloroprene rubber, polyphenylene sulfide, polyvinylidene fluoride, tetrafluoroethylene / hexafluoropropylene copolymer resin, tetrafluoroethylene / ethylene copolymer resin.

Water repellency can be imparted to these by forming a film on the surface including the upper edge of the guide member 6. As a method of forming the film, the guide member 6
Any generally used method can be adopted as long as it can be applied so as to impart water repellency to the above-mentioned upper edge. For example, in the case of liquid paint, spray coating, dip coating, roll coating and the like can be mentioned. In the case of powder coating, electrostatic powder coating, electrostatic dipping method, dip dipping method and the like can be mentioned.

Further, when the guide member 6 itself is made of metal, it can be made water repellent by forming it using a metal having water repellency such as titanium.

In this way, the guide member 6 is provided in the ink receiver 4.
In the case where the conveyance guide plate 5 is mounted on the upper surface of the ink receiver 4, the guide member 6 installed inside the ink receiver 4 is mounted so as to cover the upper surface of the guide member 6. In this case as well, the transport guide plate 5 can be easily fixed by an appropriate fixing tool such as a magnet and can be easily removed.

The transport guide plate 5 is provided with a large number of through holes on the surface thereof, a suction hole is formed at the bottom of the ink receiver 4, and the inside of the ink receiver 4 is communicated with suction means. By sucking the air inside the ink receiver 4 whose upper surface is covered by the suction means, the cloth 1 on the upper surface is conveyed from the through hole of the conveying guide plate 5.
It is also possible to suction and adsorb on the surface so that the flatness of the surface of the cloth 1 at the time of recording can be maintained at a higher level.

[0055]

According to the first aspect of the present invention, a single device can be used for both thick cloth in which ink strike-through does not occur and thin cloth in which ink strike-through occurs. It is possible to print without causing contamination of the fabric.

According to the second aspect of the present invention, the weight of the transport guide member is distributed to the respective members, the labor during the removing work can be reduced, and the space saving for storing the removed members is achieved. Is possible.

According to the third aspect of the present invention, a single device can be used to fabricate both thick cloth in which ink strike-through does not occur and thin cloth in which ink strike-through occurs. It is possible to print without causing contamination of, and even when performing so-called borderless printing by scanning the recording head to the width direction with respect to the cloth whose back surface is supported so as to maintain the flatness of the front surface, There is no risk of the cloth being contaminated by the ink that has overflowed.

According to the fourth aspect of the present invention, even when the cloth is bent when the transport guide plate is removed and printing is performed on a thin cloth, the guide member does not have to worry about contaminating the cloth. The back surface can be supported to maintain the flatness of the cloth surface.

According to the fifth aspect of the present invention, even if the thin cloth is slightly bent, it is possible to avoid the possibility that the back surface of the cloth located directly below the nozzles of the recording head may come into contact with the guide member. By preventing the guide member from being contaminated, it is possible to prevent the cloth conveyed next from being contaminated.

According to the sixth aspect of the present invention, it is possible to prevent the conveyed fabric from being damaged by the guide member, and even if the fabric comes into contact with the guide member, the fabric comes into line contact. There is no concern that the ink adhered to the guide member will be contaminated.

According to the seventh aspect of the invention, the ink is less likely to adhere to the guide member, and the risk of contaminating the cloth can be further reduced.

[Brief description of drawings]

FIG. 1 is a side sectional view showing a schematic configuration of a main part of an inkjet textile printing apparatus.

FIG. 2 is a perspective view showing a schematic configuration of a main part of the inkjet textile printing apparatus with a transport guide plate attached.

FIG. 3 is a perspective view showing a schematic configuration of a main part of the inkjet textile printing apparatus with a transport guide plate removed.

FIG. 4A is a side sectional view showing the relationship between the ink receiver and the cloth, and FIG. 4B is a side sectional view showing the relationship between the transport guide plate and the cloth.

FIG. 5 is a perspective view showing another embodiment of a conveyance guide plate.

FIG. 6 is a plan view showing a positional relationship between the divided conveyance guide member and the cloth.

FIG. 7 is a plan view showing the relationship between the width of the cloth and the conveyance guide member.

FIG. 8 is a perspective view showing a state in which a guide member is provided inside the ink receiver.

FIG. 9 is a side sectional view showing a state in which a guide member is provided inside the ink receiver.

FIG. 10 is a partial side view showing the relationship between the guide member and the cloth.

FIG. 11 is a partial sectional view of a guide member.

[Explanation of symbols]

1: cloth 1a: Original volume 2: Transport member 2a, 2b: transport rollers 3: Recording head 4: Ink receiver 41: Side wall 41a: Upper edge of side wall 5: Transport guide plate 6: Guide member

Claims (7)

[Claims] 1. An ink jet printing apparatus for recording on a cloth by ejecting ink from nozzles of the recording head, wherein the recording head is arranged between conveying rollers arranged in parallel at a predetermined interval to convey the cloth. A recording section is provided for recording by ejecting ink from the nozzles, and an ink receiver for receiving ink ejected from the nozzles of the recording head is provided on the back side of the cloth in the recording section, and the upper surface of the ink receiver is provided. In addition, an ink jet textile printing apparatus characterized in that a transport guide plate for contacting a back surface of the cloth and guiding the cloth to have a flatness is detachably provided in a direction orthogonal to the cloth transport direction. 2. The ink jet textile printing apparatus according to claim 1, wherein the conveyance guide plate is divided in a direction orthogonal to the conveyance direction of the cloth, and each of the conveyance guide plates is composed of a plurality of members that can be independently attached and detached. . 3. The method according to claim 2, wherein any two members of the plurality of members forming the conveyance guide plate are located so as to straddle side end portions of the conveyed cloth. Inkjet printing equipment. 4. A plurality of rib-shaped guide members extending in the cloth conveyance direction are provided in parallel in the ink receiver in parallel at a predetermined interval. The inkjet printing device according to item 1. 5. The guide member is provided on the back side of the cloth so as to be guided close to the back side of the cloth in a conveyance direction upstream side and a conveyance direction downstream side of a position facing the nozzle of the recording head, and immediately below the nozzle. The inkjet printing device according to claim 4, wherein the back surface of the cloth is not guided. 6. The ink jet textile printing apparatus according to claim 4, wherein an upper edge of the guide member facing the back surface of the cloth is rounded at the top. 7. The ink jet textile printing apparatus according to claim 4, wherein an upper edge of the guide member facing the back surface of the cloth has water repellency.