JP2005028639A - Ink jet recorder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To make performable adhesion/removal of paper powder, and the like, adhering to a recording medium continuously and appropriately by means of an adhesive roller. <P>SOLUTION: On the downstream side from a position where a recording head 6 is disposed and on the upstream side from a position where an adhesive member is disposed in the carrying direction of a recording medium, a brush unit 9 equipped with a rotary brush 9a for removing matters adhering to the recorded recording medium 2 is provided. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an image recording apparatus, and more particularly to an ink jet recording apparatus that removes deposits adhering to a recording medium using an adhesive roller.
[0002]
[Prior art]
Conventionally, in order to improve the image quality of a recorded image, an image recording apparatus that performs post-image quality improvement processing after image recording has been developed. In particular, an image recording apparatus for recording an image on a recording medium having thermoplastic resin particles is known, and this image recording apparatus performs the process of heating and pressurizing the recording medium after recording to perform thermoplastic resin particle processing. Is provided with a fixing unit that makes the recorded image glossy.
[0003]
However, when post-processing after image quality improvement is performed, if post matter such as paper dust adheres to the image recording portion of the recording medium, proper post-processing cannot be performed, so that the extraneous matter adhering to the recording medium is removed. Various image recording apparatuses have been developed, and in particular, an image recording apparatus that adsorbs and removes deposits on the recording medium by rolling a roller having adhesiveness on the surface (hereinafter referred to as an adhesive roller) on the recording medium. Has been developed (for example, Patent Document 1).
[0004]
[Patent Document 1]
Japanese Patent Laid-Open No. 2003-72192
[0005]
[Problems to be solved by the invention]
However, the source of the paper dust adhering to the image recording portion of the recording medium is mostly when the recording medium is cut, so if the recording medium after recording is cut to a predetermined length, the paper dust as cutting waste is always generated. To do.
[0006]
Since the adhesive roller adsorbs and removes not only paper dust adhering to the image recording portion of the recording medium but also paper dust adhering to the cut surface of the recording medium, the user of the image recording apparatus frequently cleans the adhesive roller. There is a problem that must be done.
[0007]
In addition, as a result of experiments, if the amount of deposits attached to the adhesive roller increases, the probability that post-processing after image quality improvement will be performed while the deposits remain attached to the recording medium increases, and the number of image defects increases. There is also.
[0008]
The present invention has been made in view of the above-described points, and it is possible to continue and appropriately perform the adsorption removal of the paper dust or the like adhering to the recording medium by using the adhesion roller, and the adhesion roller is not frequently cleaned. Another object of the present invention is to provide a good ink jet recording apparatus.
[0009]
[Means for Solving the Problems]
In order to solve the above-described problems, the invention described in claim 1 includes a recording head that performs recording by discharging ink onto a recording medium, a conveyance roller that conveys the recording medium along a conveyance path, and a post-recording recording medium. And an adhesive member that adsorbs and removes deposits adhering to the recording medium. The inkjet recording apparatus includes a recording medium transport path downstream from the recording head and from the adhesive member. A brush device provided with a brush member for removing deposits attached to the recording medium after recording is provided on the upstream side of the path.
[0010]
According to the first aspect of the present invention, the recording medium after the recording is located downstream of the recording head in the conveyance path of the recording medium and upstream of the adhesive member in the conveyance path of the recording medium. By providing a brush device provided with a brush member for removing the adhering matter adhering to the adhesive, the adhering amount of adhering matter such as paper dust adsorbed on the adhesive member can be reduced.
[0011]
According to a second aspect of the present invention, in the ink jet recording apparatus according to the first aspect, the downstream side of the recording medium transport path from the recording head and the upstream side of the recording medium transport path from the brush device. A cutter for cutting the recording medium is provided on the side.
[0012]
According to the second aspect of the present invention, by installing a cutter on the downstream side of the recording medium transport path from the recording head and on the upstream side of the recording medium transport path from the brush device, Most of the paper dust generated when the recording medium is cut can be removed by the brush device, and the amount of paper dust adsorbed on the adhesive member can be reduced.
[0013]
According to a third aspect of the present invention, in the ink jet recording apparatus according to the first or second aspect, the brush device includes a rotary brush planted in a roll shape around an axis as a brush member, and the rotation The rotational speed of the brush is characterized in that, at the contact point between the rotating brush and the recording medium, the brush is in the same direction as the transport direction of the recording medium and faster than the transport speed of the recording medium.
[0014]
According to a third aspect of the present invention, the rotation speed of the rotary brush is the same as the conveyance direction of the recording medium and higher than the conveyance speed of the recording medium at the contact point between the rotary brush and the recording medium. By being set, it is possible to prevent the rotating brush from becoming a resistance against the conveyance of the recording medium.
[0015]
According to a fourth aspect of the present invention, in the ink jet recording apparatus according to any one of the first to third aspects, the position upstream of the recording medium conveyance direction from the position where the brush device is installed. A drying device provided with a heater member or a blower member for vaporizing and removing excess solvent contained in the ink ejected from the recording device on the recording medium is installed.
[0016]
According to a fourth aspect of the present invention, there is provided a drying device for vaporizing and removing excess solvent contained in the ink from a position where the brush device is installed to a position upstream in the recording medium conveyance direction. By installing the ink jet recording apparatus after the excess solvent contained in the ink is vaporized and removed without changing the recording speed of the ink jet recording apparatus, the ink jet recording apparatus adheres to the recording medium by the brush device. Can be removed.
[0017]
According to a fifth aspect of the present invention, in the ink jet recording apparatus according to any one of the first to fourth aspects, the brush device sucks the deposits removed from the recording medium after recording by the brush member. It is characterized by having a suction device for this purpose.
[0018]
According to the fifth aspect of the present invention, by including the suction device that sucks the deposits, the ink jet recording apparatus can prevent the deposits removed from the recording medium after the recording by the brush member. .
[0019]
According to a sixth aspect of the present invention, in the inkjet recording apparatus according to any one of the first to fifth aspects, the recording medium has thermoplastic resin particles, and the recording medium is more than the adhesive member. And a fixing unit that heats and presses the recording medium after recording to heat and press the thermoplastic resin particles of the recording medium.
[0020]
According to the sixth aspect of the present invention, the adhesive member is provided on the upstream side of the conveyance path of the fixing unit, and the brush device is further provided on the upstream side. The adhering material on the recording medium can be removed by the adhesive member whose adhesive force is maintained.
[0021]
According to a seventh aspect of the present invention, in the ink jet recording apparatus according to any one of the first to fifth aspects, the recording surface of the recording medium is located downstream of the adhesive member in the transport path of the recording medium. In order to cover the film with a laminate film, a laminate film unit for performing a heat and pressure treatment is provided.
[0022]
According to the seventh aspect of the present invention, the adhesive member is provided on the upstream side of the conveyance path of the laminate film unit, and the brush device is further provided on the upstream side. In addition, it is possible to remove the adhering matter on the recording medium by the adhesive member whose adhesive force is maintained.
[0023]
According to an eighth aspect of the present invention, in the ink jet recording apparatus according to any one of the first to fifth aspects, a resin layer transfer unit is provided downstream of the adhesive member in the transport path of the recording medium. It is characterized by providing.
[0024]
According to the eighth aspect of the present invention, the adhesive member is provided on the upstream side of the transport path of the resin layer transfer unit, and the brush device is further provided on the upstream side. At this time, the adhered material on the recording medium can be removed by the adhesive member whose adhesive force is maintained.
[0025]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described below with reference to FIGS.
FIG. 1 is a side view schematically showing the inside of the ink jet recording apparatus 1 according to the first embodiment of the present invention.
[0026]
First, as shown in FIG. 1, in the present embodiment, a supply roll 3 in which a long recording medium 2 having a predetermined width is wound in a roll shape is rotatable at one end inside the ink jet recording apparatus 1. It is arranged like this. The supply roll 3 is rotationally driven by a drive mechanism (not shown), and the recording medium 2 is sent out to a predetermined transport path X by the rotation of the supply roll 3.
[0027]
A pair of first transport rollers 4a and 4b are provided above the supply roll 3, and the recording medium 2 sent out from the supply roll 3 is transported along the transport path X by the first transport rollers 4a and 4b. It has come to be.
[0028]
A platen 5 that supports the recording medium 2 from the non-recording surface is along the upper surface of the image recording apparatus 1 on the downstream side of the conveying path X from the first conveying rollers 4a and 4b and substantially at the center of the upper surface of the image recording apparatus 1. Are arranged almost horizontally.
[0029]
Further, a carriage (not shown) is supported above the platen 5 by a rod-shaped guide rail (not shown) provided so as to extend in a direction orthogonal to the conveyance path X of the recording medium 2. A plurality of recording heads 6, 6... Are mounted on the carriage, and are reciprocated along the guide rail by a driving mechanism (not shown). The recording head 6 is provided for each color (for example, black (K), cyan (C), magenta (M), yellow (Y)) used in the present embodiment, and on the recording surface of the recording medium P. The required ink is discharged.
[0030]
Cutters 7a and 7b for cutting the recording medium 2 having a length dimension substantially equal to the width dimension of the recording medium 2 on the downstream side of the transport path X from the platen 5 into a predetermined length dimension. Extends in a direction orthogonal to the conveyance path X and is provided on both the recording surface side and the non-recording surface side of the recording medium 2. Among these, the cutter 7a provided on the recording surface side of the recording medium 2 can be moved up and down by a driving mechanism (not shown). After the recording medium 2 that has finished image recording passes between the cutters 7a, the recording medium 2 is moved. The recording medium 2 can be cut into a predetermined length by lowering the cutter 7a provided on the recording surface side. The structure of the cutters 7a and 7b is not limited to this, and includes a fixed blade fixed at a predetermined position on the non-recording surface side of the recording medium 2, and is provided on the recording surface side of the recording medium 2 so as to be movable by a driving mechanism. A disc-shaped rotary cutter may be provided. In this case, after the recording medium 2 that has finished image recording passes between the cutters, the rotary cutter moves on the recording medium 2 while rotating to cut the recording medium P into a predetermined length.
[0031]
A pair of second transport rollers 8a and 8b that transport the cut recording medium 2 along the transport path X while supporting the cut recording medium 2 are provided downstream of the cutters 7a and 7b. Are conveyed below the image recording apparatus 1 with the second conveying rollers 8a and 8b as fulcrums.
[0032]
A brush device 8 for removing paper dust and the like attached to the recording medium 2 cut by the cutters 7a and 7b is provided on the downstream side of the conveyance path X from the second conveyance rollers 8a and 8b.
[0033]
FIG. 2 is a perspective view showing a part of the brush device 9 of the present embodiment.
The brush device 9 is provided with a rotating brush 9a as a brush member, and a large number of brushes are implanted in the rotating brush 9a outward in the radial direction around the shaft 9b.
[0034]
The brush device 9 is provided with a brush drive source 9c for rotating the rotary brush 9a, and a brush belt 9d for transmitting power to the shaft 9b is attached to the brush drive source 9c. The brush belt 9d transmits the power to a rotating roller 9e attached to the shaft 9b, thereby rotating the rotating brush 9a.
[0035]
The rotational speed of the rotary brush 9a is set to be higher in the contact direction between the rotary brush 9a and the recording medium 2 in the same direction as the transport path X of the recording medium 2 and faster than the transport speed of the recording medium 2. Further, a backup roller 10 is provided at a position facing the rotary brush 9a, and the rotary brush 9a is rotationally driven in a state where the recording medium 2 is sandwiched between the tip of the rotary brush 9 and the backup roller 10. As a result, the adhering matter adhering to the recording medium 2 is removed.
[0036]
In addition, the brush device 9 is provided with a brush cover 11 that covers the entire rotating brush 9a so as not to disperse deposits such as paper dust removed from the recording medium 2 by the rotating brush 9a. The brush cover 11 is provided with a suction port 14 leading to a transport port 12 for transporting the recording medium 2 and a suction device 16 for sucking the above-mentioned paper dust and the like. A duct 15 is connected to the suction port 14, and the duct 15 is connected to a suction device 16. The suction device 16 is provided with a suction fan 17 and a filter 18.
[0037]
On the downstream side of the conveying path X from the brush device 8, there are third conveying rollers 20a and 20b configured by a first driving roller 20b rotated by a driving mechanism (not shown) and a first driven roller 20a driven by the first driving roller 20b. Is provided. The first drive roller 20b and the first driven roller 20a are configured to convey while sandwiching the recording medium 2. The first drive roller 20b temporarily receives the leading side of the recording medium 2 in the conveyance path X, and then the rotation direction is switched to the reverse direction, so that the recording medium 2 is conveyed to the conveyance path Y from the rear end side of the recording medium 2. It has become.
[0038]
A second drive roller 21b that is rotated by a drive mechanism (not shown) and a first adhesive roller 21a that is driven by the second drive roller 21b are provided on the downstream side of the transport path Y from the third transport rollers 20a and 20b. The fourth transport rollers 21a and 21b are provided. The first adhesive roller 21 a is disposed on the recording surface side of the recording medium 2. On the downstream side of the transport path Y from the fourth transport rollers 21a and 21b, a second drive roller 21b, a third drive roller 22b having the same configuration as the first adhesive roller 21a, and a second adhesive roller 21a are configured. Fifth transport rollers 22a and 22b are provided.
[0039]
The first and second adhesive rollers 21a and 22a are provided with a first cleaning roller 21c and a second cleaning roller 22c in contact with the peripheral surfaces of the first and second adhesive rollers 21a and 22a.
[0040]
The first cleaning roller 21c and the second cleaning roller 22c are formed to have a width equal to or greater than the length of the first and second adhesive rollers 21a and 22a in the recording medium width direction.
The surfaces of the first cleaning roller 21c and the second cleaning roller 22c are formed so that the adhesive force is larger than the adhesive members provided in the first and second adhesive rollers 21a and 22a.
[0041]
A fixing unit 23 is provided on the downstream side of the transport path Y from the fifth transport rollers 22a and 22b. The fixing unit 23 heats and presses the recording medium to melt and smooth the thermoplastic resin particles in the ink receiving layer and to make the ink receiving layer transparent. The fixing unit 23 is provided with a heating unit 24 and a pressure unit 25. The heating unit 24 faces the recording surface side of the recording medium 2 and the pressure unit 25 faces the non-recording surface side of the recording medium 2, respectively. It is provided as follows.
[0042]
A pressure roller 25a for pressing the recording medium 2 is provided inside the pressure unit 25, and the pressure roller 25a is rotatably supported by an arm member (not shown). The pressure roller 25a supported by the arm member is provided with a pressure spring (not shown), and the pressure roller 25a is pressed against the recording medium 2 by the pressure spring.
[0043]
Further, a heating roller 24a having a heating element 24b for heating the recording medium 2 is provided inside the heating unit 24, and a drive (not shown) is provided on the downstream side of the transport path Y from the heating roller 24a. A driving roller 24c that is rotationally driven by a source is provided. A belt 24d that transmits power to the heating roller 24a is wound around the driving roller 24c. The belt 24d is disposed so that the surface thereof is parallel to the recording surface of the recording medium 2 to be conveyed. .
[0044]
On the downstream side of the conveyance path Y of the fixing unit 23, a pair of sixth conveyance rollers 26a and 26b are provided for discharging the recording medium 2 that has been subjected to the heating and pressing process from the discharge port.
[0045]
Note that one of the pair of first transport rollers 4a and 4b in the present embodiment is a driving roller that is rotationally driven by a driving mechanism (not shown), and the other is a driven roller. The same applies to the second transport rollers 8a and 8b and the sixth transport roller.
[0046]
In the present embodiment, the rotating brush 9a shown in FIG. 2 is used as the brush member provided in the brush device 9, but the fixed brush 40 shown in FIG. 3 may be used. A large number of brushes are planted on the fixed brush 40 in a direction facing the recording medium 2, and the fixed brushes 40 and 40 are provided on the recording surface side and the non-recording surface side of the recording medium 2. .
[0047]
When the tips of the fixed brushes 40, 40 come into contact with the recording medium 2, the tips of the fixed brushes 40, 40 are appropriately deformed to come into sliding contact with the recording medium 2, so that the fixed brushes 40, 40 are recorded. Paper dust generated when the recording medium 2 attached to the medium 2 is cut is effectively removed.
[0048]
In the present embodiment, the position where the rotating brush 9a is disposed in the brush device 9 is provided between the second transport rollers 8a and 8b and the third transport rollers 20a and 20b. The position at which the rotary brush 9a is disposed is not limited to this position, and any position may be used as long as it is disposed downstream of the cutter devices 7a and 7b in the recording medium conveyance direction and upstream of the fixing unit 23. You may make it arrange | position to a position.
[0049]
In this embodiment, the adhesive member is provided at two locations on the surface of the first and second adhesive rollers 21a and 22a. However, the number of adhesive members disposed is not particularly limited, and recording is performed from the cutter devices 7a and 7b. It suffices that at least one is disposed on the downstream side in the medium conveyance direction and upstream of the fixing unit 23.
[0050]
In addition, the first and second adhesive rollers 21a and 22a provided with the adhesive member used in the present embodiment can be used without any problem as long as the surface has adhesiveness. Examples include natural rubber, chloroprene rubber, nitrile rubber, butyl rubber, ethylene / propylene rubber, silicone rubber, fluorine rubber, urethane rubber, styrene / butadiene rubber, styrene / isoprene rubber, polyisoprene rubber, and acrylic rubber. Among these, the adhesive member is preferably made of silicone rubber or butyl rubber from the viewpoint of having a high viscoelastic effect and capable of effectively removing deposits attached to the recording surface of the recording medium 2.
[0051]
Furthermore, the characteristics of the first and second adhesive rollers 21a and 22a provided with the adhesive member include heat resistance, weather resistance, etc. in addition to adhesiveness. In consideration of this point, the adhesive member is made of silicone rubber. Is preferably used. Further, examples of the silicone rubber include a peroxide curing type, an addition type, and a condensation type, but an addition type silicone rubber is preferable from the viewpoint of molding processability.
[0052]
In addition, the material of the adhesive member may contain an additive such as carbon or iron oxide for the purpose of imparting functions such as heat resistance improvement and static electricity suppression.
[0053]
Similarly, the surface hardness of the first and second adhesive rollers 21a and 22a provided with the adhesive member is high from the viewpoint that the viscoelastic effect is high and the adhering matter adhering to the recording surface of the recording medium 2 can be effectively removed. Is preferably 3-60. The term “hardness” as used herein refers to a value according to a hardness test of JIS-K6301-1975 and a spring hardness test (A type). If the hardness is less than 3, the adhesiveness is too high, which may cause troubles such as damage to the recording surface of the recording medium 2, paper jamming, or transfer of the adhesive member itself. On the other hand, if the hardness is higher than 60, the deposit removal efficiency is lowered, and it is difficult to obtain a desired function, which is not preferable.
[0054]
Furthermore, for the purpose of adjusting the adhesive force of the first and second adhesive rollers 21a and 22a provided with the adhesive member, the surface is physically roughened by polishing, and the surface roughness is arbitrarily adjusted. Is also preferable. That is, when the surface is polished, the roller surface becomes uneven and has an appropriate adhesive force, and paper jams are maintained while maintaining the effect of removing the deposits adhering to the recording surface of the recording medium 2. It is preferable because it is difficult to cause. As this polishing process, the roller surface is polished and shaped with a rotating grindstone to obtain a uniform surface state. By selecting the particle size and rotation speed of the grindstone, the irregularities on the roller surface can be processed to an appropriate level.
[0055]
Next, the operation of the present embodiment will be described.
The recording medium 2 wound around the supply roll 3 is conveyed to a position facing the recording head 6 by the first conveying rollers 4a and 4b, and ink is ejected from the recording head 6 to the recording medium 2 to perform image recording. Is called.
[0056]
The end of the image recording area on the recording medium 2 on which the image has been recorded is transported to a position facing the cutter devices 7a and 7b by the second transport rollers 8a and 8b. The recording medium 2 conveyed to the position is separated from the supply roll 3 by the cutter devices 7a and 7b.
[0057]
The separated recording medium 2 is conveyed to the area where the brush device 9 is arranged by the second conveying rollers 8a and 8b, and paper dust and the like adhering to the recording medium 2 is collected in the brush cover 11 by the rotating brush 9a. It is done. Paper dust or the like collected in the brush cover 11 is sucked by the suction device 16 through the duct 15 from the suction port 14 formed in the brush cover 11.
[0058]
The recording medium 2 is transported to the third transport rollers 20a and 20b by the second transport rollers 8a and 8b. The recording medium 2 is once received from the leading side in the conveyance path X of the recording medium 2 by the third conveyance rollers 20a and 20b, and then conveyed from the rear end side of the recording medium 2 to the conveyance path Y.
[0059]
The recording medium 2 conveyed to the conveyance path Y by the third conveyance rollers 20a and 20b is conveyed to the fixing unit 23 by the fourth and fifth conveyance rollers 21a, 21b, 22a and 22b, and the recording medium 2 is 1. The adhering material adhering to the recording surface of the recording medium 2 is removed by the adhesive member provided on the peripheral surfaces of the second adhesive rollers 21a and 22a.
[0060]
The recording medium 2 conveyed to the fixing unit 23 is heated and pressurized by the fixing unit 23 to melt and smooth the thermoplastic resin particles in the ink receiving layer, to make the ink receiving layer transparent and to make the surface of the recording medium transparent. The gloss is improved. The recording medium 2 that has been subjected to the heating and pressing process is discharged to the outside of the image recording apparatus 1 by the sixth transport rollers 26a and 26b.
[0061]
According to the present embodiment, the recording medium 2 is conveyed to the recording head 6, the cutters 7 a and 7 b, the brush device 9, the first and second adhesive rollers 21 a and 22 a provided with an adhesive member, and the fixing unit 23 in the order of the conveyance direction. Thus, most of the paper dust generated when the recording medium 2 is cut is removed by the brush device 9.
[0062]
For this reason, in this embodiment, paper dust and the like adsorbed on the adhesive member can be reduced, and the frequency of cleaning the first and second adhesive rollers 21a and 22a, the first cleaning roller 21c, and the second cleaning roller 22c is reduced. However, there is an effect that the adsorption force of the adhesive member can be maintained. In particular, in this embodiment, since the recording medium 2 containing thermoplastic resin particles is used, when the recording medium 2 is cut by the cutters 7a and 7b, a large amount of cutting dust is generated from the thermoplastic resin and the support material. Greatly effective in performing pressure treatment appropriately.
[0063]
Further, in the present embodiment, by providing the suction device 16 for sucking the deposits, it is possible to prevent the deposits removed from the recording medium 2 after the recording by the brush device 9.
[0064]
Furthermore, the brush device 9 of the present embodiment can prevent resistance to conveyance of the recording medium by using the rotating brush 9a.
[0065]
Next, a second embodiment will be described with reference to FIG. In the following, differences from the first embodiment will be described.
FIG. 4 is a side view schematically showing the inside of the image recording apparatus 1 in the second embodiment of the present invention.
[0066]
First, as shown in FIG. 4, the downstream side of the cutters 7a and 7b in the recording medium conveyance direction and the upstream side of the rotary brush 9a in the recording medium conveyance direction are included in the ink ejected onto the recording medium 2. A drying device 61 is provided to vaporize and remove the excess solvent.
[0067]
The drying device 61 is provided with a rotating drying fan 61a for blowing air to the recording medium 2 and a heater 61b for generating heat for raising the blowing temperature from the drying fan 61a. The recording image is prevented from being stained or scratched by the ink ejected onto the recording medium 2 when passing through the brush device 9.
[0068]
As the heater 61b, for example, a coil heater, a halogen heater, or the like may be used. For example, a metal plate is disposed on the recording surface side of the recording medium, and the metal plate is heated by electromagnetic induction heating. A structure that generates heat may be used.
[0069]
In addition, since the other structure is the same as that of the first embodiment, the same parts are denoted by the same reference numerals and the description thereof is omitted.
Moreover, it is the same as that of 1st embodiment that this invention is not restricted to this embodiment.
[0070]
Next, the operation of the present embodiment will be described.
The recording medium 2 wound around the supply roll 3 is conveyed to a position facing the recording head 6 by the first conveying rollers 4a and 4b, and ink is ejected by the recording head 6.
[0071]
The recording medium 2 on which ink has been ejected by the recording head 6 is transported to the area where the drying device 61 is disposed by the second transport rollers 8a and 8b. The ink ejected onto the recording medium 2 vaporizes excess solvent contained in the ink by the air heated by the heater 61b by the drying fan 61a, and is dried and fixed on the recording medium.
[0072]
The recording medium 2 on which the ink has been dried and fixed is conveyed by the second conveying rollers 8a and 8b to the area where the rotating brush 9a is disposed, and the paper dust generated when the recording medium 2 attached to the recording medium 2 is cut is rotated. It is removed by the brush 9a.
[0073]
The recording medium 2 conveyed to the conveyance path Y by the third conveyance rollers 20a and 20b is conveyed to the fixing unit 23 by the fourth and fifth conveyance rollers 21a, 21b, 22a and 22b, and the recording medium 2 is 1. The adhering material adhering to the recording surface of the recording medium 2 is removed by the adhesive member provided on the peripheral surfaces of the second adhesive rollers 21a and 22a.
[0074]
The recording medium 2 conveyed to the fixing unit 23 is heated and pressurized by the fixing unit 23, and is discharged outside the image recording apparatus 2 by the sixth conveying rollers 26a and 26b.
[0075]
According to the present embodiment, the recording medium is arranged in the order of the conveying direction on the recording head 6, the cutters 7 a and 8 b, the drying device 61, the brush device 9, the first and second adhesive rollers 21 a and 22 a having adhesive members, and the fixing unit 23. It is designed to be transported.
[0076]
In the present embodiment, the drying device 61 is provided on the upstream side in the recording medium conveyance direction from the position where the rotary brush 9a is arranged, and then the ink discharged onto the recording medium 2 is dried and fixed, and then the recording medium 2 Is conveyed to the area where the rotating brush 9a is disposed. Therefore, it is possible to prevent the recorded image from being stained or scratched by the ink ejected onto the recording medium 2 when the recording medium 2 is in sliding contact with the rotating brush 9a.
[0077]
In the present embodiment, most of the paper dust generated at the time of cutting the recording medium 2 is removed by the brush device 9, so that the paper dust adsorbed on the adhesive member can be reduced. The cleaning frequency of the second adhesive rollers 21a, 22a, the first cleaning roller 21c, and the second cleaning roller 22c can be reduced.
[0078]
In the present embodiment, by providing the suction device 16 that sucks the deposits, the deposits removed from the recording medium 2 after recording by the brush device 9 can be prevented.
[0079]
Next, a third embodiment will be described with reference to FIG. In the following, differences from the first embodiment will be described.
[0080]
First, as shown in FIG. 5, a rotary brush 9a is provided on the downstream side of the cutters 7a and 7b in the recording medium conveyance direction, and on the downstream side of the conveyance path Y from the fifth conveyance rollers 22a and 22b. A recording film 2 is provided with a laminate film unit 80 that covers the recording surface with a laminate film and performs a protection process. In this laminate film unit 80, a laminate roll 82 obtained by winding a long laminate film 81 having a predetermined width in a roll shape is disposed so as to be rotatable.
[0081]
Near the laminating roll 82, there are provided first and second sending rollers 83 and 84 for sending the laminate film 81 onto the conveyance path Y of the recording medium. The first sending roller 83 and the second sending roller 84 are provided. Is provided with a cutter device 87 for separating the laminate film 81 from the laminate roll 82.
[0082]
Further, the laminate film unit 80 is provided with a heating unit 85 and a pressurizing unit 86. The heating unit 85 is on the recording surface side of the recording medium 2, and the heating unit 86 is on the non-recording surface side of the recording medium 2. They are provided so as to face each other.
[0083]
The transport path Y is provided with a transport roller 88 that transports the separated laminate film 81 and the recording medium 2 between the heating unit 85 and the pressure unit 86.
[0084]
The pressure unit 86 is provided with a pressure roller 86a that applies pressure to the recording medium 2. The pressure roller 86a is pressed toward the recording medium 2 by a spring (not shown).
[0085]
The heating unit 85 is provided with a heating roller 85a having a heating element 85b for heating the recording medium 2. The heating roller 85a is rotationally driven by a driving source (not shown). .
[0086]
On the downstream side of the transport path Y from the heating unit 85 and the pressure unit 86,
The laminate film unit 80 is provided with a transport roller 89 for transporting the recording medium 2 that has been subjected to the protection process, and a pair of sixth transport rollers 26a and 26b for discharging the recording medium 2 from the discharge port. .
[0087]
In addition, since the other structure is the same as that of the first embodiment, the same parts are denoted by the same reference numerals and the description thereof is omitted.
Moreover, it is the same as that of 1st embodiment that this invention is not restricted to this embodiment.
[0088]
Next, the operation of the present embodiment will be described.
The recording medium 2 wound around the supply roll 3 is conveyed to a position facing the recording head 6 by the first conveying rollers 4a and 4b, and ink is ejected by the recording head 6.
[0089]
The recording medium 2 from which ink has been ejected by the recording head 6 is separated from the supply roll 3 by the cutter devices 7a and 7b. The recording medium 2 is conveyed to the area where the rotating brush 9a is disposed by the second conveying rollers 8a and 8b, and the paper dust generated when the recording medium 2 attached to the recording medium 2 is cut is removed by the rotating brush 9a. Is done.
[0090]
The recording medium 2 conveyed to the conveyance path Y by the third conveyance rollers 20a and 20b is conveyed to the laminate film unit 80 by the fourth and fifth conveyance rollers 21a, 21b, 22a and 22b, and the recording medium 2 is Deposits adhering to the recording surface of the recording medium 2 are removed by the adhesive members provided on the peripheral surfaces of the first and second adhesive rollers 21a and 22a.
[0091]
The recording medium 2 conveyed to the laminating film unit 80 is covered with a laminating film on the recording surface side, and a laminating layer is formed on the recording surface by heat and pressure treatment by the heating unit 85 and the pressure unit 86.
[0092]
The recording medium 2 on which the laminate layer is formed is discharged to the outside of the inkjet recording apparatus 1 by the transport roller 89 and the sixth transport rollers 26a and 26b.
[0093]
According to the present embodiment, the recording medium is transported to the recording head 6, the cutters 7a and 8b, the brush device 9, the first and second adhesive rollers 21a and 22a including the adhesive member, and the laminate film unit 80 in order of the transport direction. It is like that.
[0094]
In the present embodiment, since most of the paper dust generated when the recording medium 2 is cut is removed by the brush device 9, the paper dust or the like adsorbed on the adhesive member can be reduced. The adsorption power of can be maintained. Therefore, the frequency of cleaning the first and second adhesive rollers 21a and 22a, the first cleaning roller 21c, and the second cleaning roller 22c can be reduced.
[0095]
Further, by maintaining the adsorbing force of the adhesive member, it is possible to remove the adhering matter adhering to the recording surface of the recording medium 2, and an appropriate protection process by the laminate film unit 80 can be performed.
[0096]
Next, a fourth embodiment will be described with reference to FIG. In the following, differences from the first embodiment will be described.
[0097]
First, as shown in FIG. 6, a rotating brush 9a is provided on the downstream side of the cutters 7a and 7b in the recording medium conveyance direction, and is located further downstream of the conveyance path Y than the fifth conveyance rollers 22a and 22b. A resin layer transfer unit 90 for performing post-image quality improvement post-processing on the recording medium 2 is provided. The resin layer transfer unit 90 is fed from a resin layer transfer roll 92 obtained by winding a long resin layer transfer film 91 having a predetermined width into a roll shape, and comes into contact with the recording medium 2. A take-up roller 93 for taking up the resin layer transfer film 91 is provided.
[0098]
The resin layer transfer film 91 is provided with a resin material for covering the recording surface side of the recording medium 2 with a resin layer. This resin material is transferred to the recording medium 2 by applying heat and pressure.
[0099]
In the vicinity of the resin layer transfer roll 92, a first feed roller 94 that feeds the resin layer transfer film 91 from the resin layer transfer roll 92 is provided, and in the vicinity of the take-up roller 93, the resin in contact with the recording medium 2 is provided. A feeding roller 95 for feeding the layer transfer film 91 to the winding roller is provided.
[0100]
Further, the resin layer transfer unit 90 is provided with a heating unit 96 and a pressure unit 97, the heating unit 96 is on the recording surface side of the recording medium 2, and the pressure unit 97 is a non-recording surface of the recording medium 2. It is provided so as to face each side. The pressure unit 97 is provided with a pressure roller 97 a that applies pressure to the recording medium 2, and the heating unit 96 has a heating roller having a heating element 96 b for heating the recording medium 2. 96a is provided.
[0101]
On the downstream side of the transport path Y of the resin layer transfer unit 90, a pair of sixth transport rollers 26a and 26b are provided for discharging the recording medium 2 that has undergone post-image quality improvement processing on the surface of the recording medium from the discharge port. It has been.
[0102]
Next, the operation of the present embodiment will be described.
The recording medium 2 wound around the supply roll 3 is conveyed to a position facing the recording head 6 by the first conveying rollers 4a and 4b, and ink is ejected by the recording head 6.
[0103]
The recording medium 2 from which ink has been ejected by the recording head 6 is separated from the supply roll 3 by the cutter devices 7a and 7b. The recording medium 2 is conveyed to the area where the rotating brush 9a is disposed by the second conveying rollers 8a and 8b, and the paper dust generated when the recording medium 2 attached to the recording medium 2 is cut is removed by the rotating brush 9a. Is done.
[0104]
The recording medium 2 transported to the transport path Y by the third transport rollers 20a and 20b is transported to the resin layer transfer unit 90 by the fourth and fifth transport rollers 21a, 21b, 22a and 22b, and the recording medium 2 The adhering material adhering to the recording surface of the recording medium 2 is removed by the adhesive members provided on the peripheral surfaces of the first and second adhesive rollers 21a and 22a.
[0105]
The recording medium 2 conveyed to the resin layer transfer unit 90 comes into contact with the resin layer transfer film 91 and is subjected to heat and pressure processing by the heating unit 96 and the pressure unit 97 to improve image quality.
[0106]
Next, the recording medium 2 is discharged out of the inkjet recording apparatus 1 by the sixth transport rollers 26a and 26b.
[0107]
According to the present embodiment, the recording medium is transported to the recording head 6, the cutters 7a and 8b, the brush device 9, the first and second adhesive rollers 21a and 22a including the adhesive member, and the resin layer transfer unit 90 in order of the transport direction. It has become so.
[0108]
In the present embodiment, since most of the paper dust generated when the recording medium 2 is cut is removed by the brush device 9, the paper dust or the like adsorbed on the adhesive member can be reduced. The adsorption power of can be maintained. The frequency of cleaning the first and second adhesive rollers 21a and 22a, the first cleaning roller 21c, and the second cleaning roller 22c can be reduced.
[0109]
Further, by maintaining the adsorbing force of the adhesive member, it is possible to remove the adhering matter adhering to the recording surface of the recording medium 2 and to perform appropriate post-image quality improvement processing by the resin layer transfer unit 90.
[0110]
【The invention's effect】
According to the first aspect of the present invention, the recording medium after the recording is located downstream of the recording head in the conveyance path of the recording medium and upstream of the adhesive member in the conveyance path of the recording medium. By providing a brush device provided with a brush member for removing the adhering matter adhering to the adhesive, the adhering amount of adhering matter such as paper dust adsorbed on the adhesive member can be reduced.
[0111]
As a result, even if the adhesive member is not frequently cleaned, the adhesive force of the adhesive member is maintained, and the adhering matter adhering to the recording medium can be adsorbed and removed.
[0112]
According to the second aspect of the present invention, by installing a cutter on the downstream side of the recording medium transport path from the recording head and on the upstream side of the recording medium transport path from the brush device, Most of the paper dust generated when the recording medium is cut can be removed by the brush device, and the amount of the paper dust adsorbed on the adhesive member can be reduced.
[0113]
According to a third aspect of the present invention, the rotation speed of the rotary brush is the same as the conveyance direction of the recording medium and higher than the conveyance speed of the recording medium at the contact point between the rotary brush and the recording medium. By being set, there is an effect that it is possible to prevent the rotating brush from becoming a resistance to the conveyance of the recording medium. Further, by rotating the brush, it is possible to increase the relative density of the brush with respect to the recording medium, and it is possible to remove large paper dust and the like.
[0114]
According to a fourth aspect of the present invention, there is provided a drying device for vaporizing and removing excess solvent contained in the ink from a position where the brush device is installed to a position upstream in the recording medium conveyance direction. By installing the image recording apparatus after the excess solvent contained in the ink is vaporized and removed without changing the recording speed of the image recording apparatus, the image recording apparatus adheres to the recording medium by the brush apparatus. Can be removed. Therefore, when the recording medium passes through the brush device, there is an effect that it is possible to prevent the recorded image from being stained or scratched by the brush member being in sliding contact with the ink ejected onto the recording medium.
[0115]
According to the fifth aspect of the present invention, by providing the suction device that sucks the deposit, the image recording apparatus can prevent the deposit removed from the recording medium after the recording by the brush member. There is an effect.
[0116]
According to the sixth aspect of the present invention, the adhesive member is provided on the upstream side of the conveyance path of the fixing unit, and further the brush device is provided on the upstream side. The deposits can be removed. For this reason, it is possible to prevent the recording medium from being protected while the adhered material remains attached to the recording medium, and the number of image defects can be greatly reduced. In particular, since a recording medium containing thermoplastic resin particles is used as the recording medium, a large amount of cutting dust from the thermoplastic resin and the support material is generated when the recording medium 2 is cut with a cutter. Great effect in doing.
[0117]
According to the seventh aspect of the present invention, since the adhesive member is provided on the upstream side of the conveyance path of the laminate film unit and further the brush device is provided on the upstream side, the recording is performed by the adhesive member in which the adhesive force is maintained. Media deposits can be removed. For this reason, it is possible to prevent the recording medium from being protected while the adhered material remains attached to the recording medium, and the number of image defects can be greatly reduced.
[0118]
According to the eighth aspect of the present invention, the adhesive member is provided on the upstream side of the transport path of the resin layer transfer unit, and the brush device is further provided on the upstream side. The deposits on the recording medium can be removed. For this reason, it is possible to prevent the recording medium from being protected while the adhered material remains attached to the recording medium, and the number of image defects can be greatly reduced.
[Brief description of the drawings]
FIG. 1 is a side view schematically showing the inside of an image recording apparatus according to a first embodiment.
FIG. 2 is a perspective view showing a part of a brush device of the image recording apparatus in the first embodiment.
FIG. 3 is a perspective view showing a part of a brush device including a rotating brush of the image recording apparatus according to the first embodiment.
FIG. 4 is a side view schematically showing the inside of an image recording apparatus in a second embodiment.
FIG. 5 is a side view schematically showing the inside of an ink jet recording apparatus according to a third embodiment.
FIG. 6 is a side view schematically showing the inside of an ink jet recording apparatus according to a fourth embodiment.
[Explanation of symbols]
1 Image recording device
2 recording media
3 Supply roll
5 Platen
6 Recording head
7a cutter
7b cutter
9 Brush device
9a Rotating brush
9b axis
9c Brush drive source
9d brush belt
10 Backup roller
11 Brush cover
12 Transport port
14 Suction port
15 Duct
16 Suction device
17 Suction fan
18 Filter
21a First adhesive roller
21c 1st cleaning roller
22a Second adhesive roller
22c Second cleaning roller
23 Fixing unit
40 fixed brush
61a Drying fan
61b heater
80 Laminate film unit
81 Laminate film
90 Resin layer transfer unit
91 Resin layer transfer film

Claims (8)

A recording head that performs recording by discharging ink to the recording medium, a conveyance roller that conveys the recording medium along a conveyance path, and an adhesive member that adsorbs and removes the adhered matter attached to the recording medium after recording. In an inkjet recording apparatus,
A brush member for removing deposits adhering to the recording medium after recording on the downstream side of the recording medium transport path from the recording head and upstream of the adhesive member on the recording medium transport path. An ink jet recording apparatus comprising: a brush apparatus comprising: The cutter for cutting the recording medium is provided on the downstream side of the recording medium conveyance path from the recording head and on the upstream side of the recording medium conveyance path from the brush device. 2. An ink jet recording apparatus according to 1. The brush device includes a rotating brush planted in a roll shape around an axis as a brush member, and the rotational speed of the rotating brush is determined by a conveyance direction of the recording medium at a contact point between the rotating brush and the recording medium. The inkjet recording apparatus according to claim 1, wherein the inkjet recording apparatus is in the same direction as that of the recording medium and faster than a conveyance speed of the recording medium. Drying for evaporating and removing excess solvent contained in the ink ejected by the recording device on the recording medium from the position where the brush device is installed to the upstream side in the recording medium conveyance direction The inkjet recording apparatus according to claim 1, wherein the apparatus is installed. The said brush apparatus was equipped with the suction device for attracting | sucking the deposit | attachment removed from the recording medium after recording with the said brush member, The Claim 1 characterized by the above-mentioned. Inkjet recording device. The recording medium has thermoplastic resin particles,
A fixing unit that heats and pressurizes the recording medium after recording to heat and press the thermoplastic resin particles of the recording medium is provided downstream of the adhesive member in the conveyance path of the recording medium. An ink jet recording apparatus according to any one of claims 1 to 5. The laminating film unit for performing a heating and pressurizing process for covering the recording surface of the recording medium with a laminating film is provided downstream of the adhesive member in the conveyance path of the recording medium. The ink jet recording apparatus according to claim 5. 6. The ink jet recording apparatus according to claim 1, wherein a resin layer transfer unit is provided downstream of the adhesive member in a conveyance path of the recording medium.

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