JP6016237B2 - Coating machine and coating method using the same - Google Patents

Description

  The present invention relates to a coating machine for coating a transfer object and a coating method using the same.

  As a coating apparatus for coating a sheet, for example, the one described in Patent Document 1 below is known. In the coating apparatus described in Patent Document 1, a lacquer is spot-coated on only a part of a sheet by a flexographic printing apparatus that supplies lacquer from a chamber doctor to an applicator roller, and then between a metering roller and an applicator roller. The lacquer can be coated on the entire surface of the sheet by a lacquer coating device for storing the lacquer.

Japanese Patent Laid-Open No. 6-320712 JP 2007-237537 A

  In the coating apparatus described in Patent Document 1, the spot coating and the entire surface coating described above enable a coating that visually differentiates between the spot-coated portion and other portions, and gives a tactile sensation. Coating, that is, it is possible to make a difference in touch feeling when touched with a finger between a spot-coated part and another part, and not only a visual effect but also a coating with higher added value can be provided it can. For example, the application range can be expanded by using it for information transmission to a blind person, and the market can be expanded.

  By the way, in order to reliably perform such a coating that gives a tactile sensation, it is necessary to perform spot coating in a thick manner, that is, to coat the coating liquid with a thick layer. However, in the conventional apparatus as described in Patent Document 1, since only a lacquer having a low viscosity can be used, it is difficult to apply a thick layer spot coating that can provide a sufficient tactile sensation. It was.

  Such a problem is not limited to the case where the sheet is coated, but can be caused in the same manner as described above if the coating is performed on various transferred materials such as a web.

  In view of the above, an object of the present invention is to provide a coating machine capable of spot coating with a thick layer on a transfer object and a coating method using the same.

  In order to solve the above-described problems, a coating machine according to the present invention includes an ink fountain that stores transparent ink, a fountain roller that draws out the transparent ink in the ink fountain, a swing roller that contacts the fountain roller, and the fountain roller. A roller that makes contact with the roller or the swing roller, a plate cylinder that makes contact with the roller, and a first support cylinder that makes contact with the plate cylinder and supports and conveys the transfer medium. A first coating unit that coats one surface of the transfer body with transparent ink; and a first coating unit that is disposed downstream of the first coating unit in the conveyance direction of the transfer body and is in contact with the other surface of the transfer body. A second support cylinder for supporting and transferring the transfer body; a coater cylinder in contact with the second support cylinder; and a varnish supply means for supplying varnish to the coater cylinder. Varnish in the direction Characterized in that it comprises a second coating unit for computing.

  The coating machine according to the present invention is the coating machine described above, wherein the varnish supply means of the second coating unit includes an anilox roller that contacts the coater cylinder, and a chamber that supplies the varnish to the anilox roller. It is characterized by having.

  Further, in the coating machine according to the present invention, in the coating machine described above, the varnish supply means of the second coating unit includes a liquid reservoir for storing the varnish, a form roller that contacts the coater cylinder, and the form roller. The metering roller is in contact with the metering roller, and the master roller is in contact with the metering roller and draws out the varnish inside the liquid reservoir.

  Further, the coating method according to the present invention is a coating method using the above-described coating machine, and is applied only to a part of one surface of the transfer object on the first support cylinder of the first coating unit. The transparent ink drawn from the ink fountain by the fountain roller is spot-coated only through the swing roller, the form roller, and the plate cylinder, and then the second coating unit has the second coating unit. A varnish is coated on one surface of the transfer target supported by the support cylinder so as to cover the spot-coated transparent ink.

  According to the coating machine according to the present invention, the high-viscosity transparent ink drawn from the ink fountain of the first coating unit by the fountain roller is transferred to the transfer medium only through the swing roller, the attaching roller, and the plate cylinder. From coating, the transparent ink delivery path from the inside of the ink fountain to the transfer medium, that is, the number of transfers between the rollers is minimized and the transfer from the fountain roller to the transfer medium is coated. Since the decrease in the thickness of the transparent ink can be minimized, it is easy to spot coat the transparent ink by increasing the thickness of the transparent ink. The coating to be transferred can be easily applied, and the second coating unit coats the varnish on one surface of the transferred body with the coater cylinder. A layer of spots coated transparent ink can be covered with a layer of varnish, increased thickness of the layer of transparent ink can be prevented from falling off from the transferred object.

  For this reason, according to the coating method of the present invention, the first coating unit performs spot coating with a transparent ink on only a part of one surface of the transfer object, so that the transfer object is visually observed such as gloss. It is easy to give an effect, and it is also easy to give a touch to the transfer object. For example, the application range such as use for a mark or dot for a blind person to identify the type of bill Can expand the market.

It is a schematic block diagram of 1st embodiment of the coating machine which concerns on this invention. It is a schematic block diagram of the principal part of the 1st coating unit of the coating machine of FIG. It is an extraction enlarged view of the arrow III part of FIG. It is an extraction enlarged view of the arrow IV part of FIG. It is a schematic block diagram of 2nd embodiment of the coating machine which concerns on this invention. It is a schematic block diagram of other embodiment of the coating machine which concerns on this invention. It is a schematic block diagram of further another embodiment of the coating machine which concerns on this invention.

  Embodiments of a coating machine according to the present invention will be described with reference to the drawings. However, the present invention is not limited to the following embodiments described with reference to the drawings.

<First embodiment>
A first embodiment of a coating machine according to the present invention will be described with reference to FIGS.

  As shown in FIG. 1, the sheet 1 is held on the front end side of the feeder board 112 of the sheet feeding device 110 that is a sheet supply unit that feeds the sheet 1 as a transfer target on the sheet feeding table 111 one by one. The transfer cylinder 120a is arranged so that the transfer cylinder 120a can receive the sheets 1 from the feeder board 112 one by one via the swing device 113. The first impression cylinder 121 of the first coating unit 120 is in contact with the transfer cylinder 120a.

  At the position where the first impression cylinder 121 is in contact with the transfer cylinder 120a, that is, on the downstream side in the rotational direction from the reception position of the sheet 1 from the transfer cylinder 120a (downstream in the conveyance direction of the sheet 1), A plate cylinder 122 having a printing plate (coater plate) mounted on the outer peripheral surface is in contact with the upper side of the axial center position of the first impression cylinder 121. A contact roller 123 for supplying transparent ink to the plate cylinder 122 is in contact with the plate cylinder 122. A swing roller 124 that reciprocates along the axial direction is in contact with the dosing roller 123. A fountain roller 125 for drawing out high-viscosity transparent ink from the inside of the ink fountain 126 is in contact with the swing roller 124. The ink fountain 126 is shown in FIGS. It has the structure shown.

  In FIG. 2, reference numeral 10 denotes a holding bar attached to the groove 11 provided at the upper end portion of the front end side of the key support 14 so as to extend in the axial direction of the key roller 125. It is formed in the length substantially the same as the length of the body. As shown in FIG. 3, the holding bar 10 is formed with a large-diameter hole 12 and a small-diameter hole 13 communicating with the large-diameter hole 12 extending in the front-rear direction. The large-diameter hole 12 and the small-diameter hole 13 are defined as follows. A plurality of pairs are provided in the axial direction of the fountain roller 125 corresponding to a plurality of ink fountain keys 16 described later.

  Reference numeral 15 denotes a fulcrum pin having an elongated and substantially cylindrical shape and the same length as the holding bar 10. Reference numeral 16 denotes an ink fountain key formed in a prismatic shape, and a plurality of ink fountain keys 16 are provided in the axial direction of the fountain roller 125 so as to be close to the peripheral surface of the fountain roller 125. The length in the width direction is formed to be the same as the body length of the heel roller 125. The ink fountain key 16 is provided with a through-hole 17 having the same diameter as the small-diameter hole 13 of the holding bar 10 described above, and at one opening edge of the through-hole 17, as shown in FIG. Is provided with a concave portion 17a formed in a substantially hemispherical shape.

  20 is a pin for opening an ink key that is loosely inserted into the small-diameter hole 13 of the holding bar 10 and the through hole 17 of the ink key 16, and has a head 20a at one end and an ink key at the other end. A bulging portion 20b formed in a substantially hemispherical shape that engages with the 16 concave portions 17a is provided. Reference numeral 21 denotes a disc spring interposed in a compressed state between the head portion 20 a of the key opening pin 20 and the bottom portion 12 a of the large-diameter portion 12 of the holding bar 10. The ink fountain key 16 is held by the holding bar 10 through the fulcrum pin 15 so as to be swingable by the elastic force of the disc spring 21. In this state, the 壷 key opening pin 20 is moved in the direction in which the ink fountain key 16 is separated from the peripheral surface of the fountain roller 125 by the elastic force of the disc spring 21, that is, with the fulcrum pin 15 as the rotation center. Is urged clockwise in the figure.

  In FIG. 2, reference numeral 22 denotes a bottom plate fixed to the upper surface of the ink key support base 14 and forming the bottom surface of the ink fountain together with the upper surface of the ink fountain key 16. An ink weir 24 is formed in a triangular shape in a side view, and is erected so as to be opposed to both ends (one is not shown) in the width direction of the key support 14. Transparent ink is stored in an ink fountain 126 surrounded by the ink basin 24, the bottom plate 22, the ink fountain key 16 and the peripheral surface of the fountain roller 125.

  As shown in FIG. 2, a recess 27 having an opening on the back side is provided at a lower portion of the key support 14 so as to extend between both ends of the key support 14. A plurality of through holes 28 communicating with the recess 27 and penetrating the front end portion of the ink key support base 14 are provided corresponding to the plurality of ink fountain keys 16 described above. Reference numeral 29 denotes a motor which is accommodated in the recess 27 and is provided corresponding to the plurality of ink fountain keys 16, and is supported by a support plate 30 attached to the opening edge of the recess 27.

  As shown in FIG. 4, a motor gear 31 is attached to the output shaft of the motor 29, and a transmission gear 32 is engaged with the motor gear 31. Reference numeral 33 denotes a screw rod support block attached to the support plate 30 and is provided with a screw hole 33a in the center. Reference numeral 34 denotes a plurality of key opening / closing screw rods provided corresponding to the ink fountain key 16, and a screw portion 34 a provided at the center portion is screwed into the screw portion 33 a of the screw rod support block 33. A gear 35 that meshes with the transmission gear 32 is pivotally attached to one end portion of the 壷 key opening / closing screw rod 34 protruding from the support plate 30. Further, a pressing member 36 is provided at the other end of the key-opening / closing screw rod 34, and the pressing member 36 is inserted into the through hole 28 of the key-supporting base 14 as shown in FIG. The tip is in contact with the lower end of the ink fountain key 16.

  In such a configuration, by driving the motor 29 in one direction, the rotation of the output shaft of the motor 29 is transmitted from the motor gear 31 to the gear 35 via the transmission gear 32, and the gear 35 rotates in the clockwise direction in FIG. To do. By rotating the gear 35 in the clockwise direction, the screw key opening / closing screw rod 34 in which the screw portion 34a is screwed into the screw hole 33a of the screw rod support block 33 moves in the direction of arrow D in FIG. The pressing element 36 advances from the through hole 28. As the presser 36 advances, the ink fountain key 16 swings counterclockwise against the elastic force of the disc spring 21 as shown by the solid line in FIG. The gap between the peripheral surface of the fountain roller 125 and the corner 16a of the ink fountain key 16, that is, the opening between the peripheral surface of the fountain roller 125 and the bottom plate 22 is narrowed, and the transparent ink is drawn from the ink fountain 126. It is adjusted to reduce the amount.

  On the other hand, by driving the motor 29 in the other direction opposite to one direction, the rotation of the output shaft of the motor 29 is transmitted from the motor gear 31 to the gear 35 via the transmission gear 32, and the gear 35 is counterclockwise in FIG. Rotate in the direction. By the counterclockwise rotation of the gear 35, the key key opening / closing screw rod 34 in which the screw portion 34a is screwed into the screw hole 33a of the screw rod support block 33 moves in the direction of arrow E in FIG. The pusher 36 is retracted into the through hole 28. As the presser 36 moves backward, the ink fountain key 16 is swung clockwise by the elastic force of the disc spring 21 as shown by a two-dot chain line in FIG. The gap between the circumferential surface of 125 and the corner portion 16a of the ink fountain key 16, that is, the opening between the circumferential surface of the fountain roller 125 and the bottom plate 22 widens, and the amount of transparent ink drawn from the ink fountain 126 is increased. To be adjusted.

  As shown in FIG. 1, the first impression cylinder 121 of the first coating unit 120 on the downstream side in the rotation direction (downstream side in the conveyance direction of the sheet 1) and the contact position with the plate cylinder 122, and the Between the contact position with the transfer cylinder 120a, the transfer cylinder 130a that holds and conveys the sheet 1 is in contact with the upstream side in the rotation direction (upstream side in the conveyance direction of the sheet 1). The contact position between the first impression cylinder 121 and the transfer cylinder 130a on the downstream side in the rotation direction (downstream in the conveyance direction of the sheet 1) with respect to the contact position with the plate cylinder 122, that is, the transfer cylinder 130a. Transparent ink on the coated surface (one surface) spot-coated on the sheet 1 by the plate cylinder 122 between the upstream side in the rotation direction (upstream side in the conveyance direction of the sheet 1) from the delivery position of the sheet 1 to A first dryer 141 which is a transparent ink drying means for drying (curing) is disposed so as to face the impression cylinder 121.

  A second impression cylinder 131 which is a second support cylinder of the second coating unit 130 is in contact with the transfer cylinder 130a. At the position where the second impression cylinder 131 is in contact with the transfer cylinder 130a, that is, on the downstream side in the rotation direction (downstream in the conveyance direction of the sheet 1) from the reception position of the sheet 1 from the transfer cylinder 130a, A coater cylinder 132 having a rubber blanket wound around the outer peripheral surface is in contact with the second impression cylinder 131 above the axial center position. An anilox roller 133 having a plurality of concave cells formed on the outer peripheral surface is in contact with the coater cylinder 132. A chamber 134 for supplying varnish to the cells of the anilox roller 133 is in contact with the outer peripheral surface of the anilox roller 133.

  The second impression cylinder 131 of the second coating unit 130 is disposed downstream of the contact position with the coater cylinder 132 in the rotation direction (downstream of the movement direction of the sheet 1). The paper discharge cylinder 151 of the paper device 150 is in contact with the paper device 150. The paper discharge drum 151 is provided with a sprocket (not shown) coaxially. A paper discharge chain 153, which is an endless chain provided with a plurality of hooks, is wound around the sprocket. The paper discharge chain 153 is also wound around the sprocket 152 and can travel between the sprocket provided coaxially with the paper discharge drum 151 and the sprocket 152. Yes.

  Below the paper discharge chain 153, a paper discharge table 154 serving as a sheet stacking unit is disposed. A varnish on the coating surface (one surface) coated on the entire surface of the sheet 1 by the second coating unit 130 is provided between the sprocket 152 and the sprocket 152 provided coaxially with the discharge drum 151. A second dryer 142 which is a varnish drying means for drying (curing) is disposed.

  In this embodiment, the transfer cylinder 120a and the like constitute upstream sheet conveyance means, and the transfer cylinder 130a and the like constitute intermediate sheet conveyance means, and the paper discharge cylinder 151, the sprocket 152, The sheet discharge chain 153 and the like constitute downstream sheet conveying means, and the anilox roller 133 and the chamber 134 and so on constitute varnish supply means.

  Next, the operation of the coating machine 100 according to this embodiment will be described.

  When the sheets 1 on the sheet feeding table 111 are fed one by one from the sheet feeding device 110, the sheets 1 are fed from the feeder board 112 by the swing device 113 through the transfer cylinder 120a to the first coating. While being transferred to the first impression cylinder 121 of the unit 120 and held and conveyed with one side facing outward, the plate cylinder 122 is pressed on one side, and the inside of the ink fountain 126 The transparent ink drawn out by the reed roller 125 is applied to the printing plate (coater plate) of the plate cylinder 122 by being applied to the forming roller 123 while being uniformly stretched in the axial direction by the swing roller 124. After the transparent ink is spot-coated at a predetermined position on one side of the sheet 1 corresponding to the pattern of the printing plate (coater plate) The dried (cured) at a first dryer 141.

  Next, the sheet 1 is brought into contact with the second impression cylinder 131 of the second coating unit 130 from the first impression cylinder 121 of the first coating unit 120 through the transfer cylinder 130a. The varnish supplied from the doctor chamber 134 to the anilox roller 133 is transferred over the entire surface of the coater cylinder 132, that is, while being transferred so that the one surface is directed outward. Further, coating is performed so that the transparent ink spot-coated on one side is covered.

  Subsequently, the sheet 1 is transferred from the second pressure drum 131 of the second coating unit 130 to the claw cage of the paper discharge chain 153 through the paper discharge drum 151 of the paper discharge device 150. The second drier 142 dries the varnish further coated so as to cover the entire surface of one side, that is, the transparent ink spot-coated on one side, by the second coating unit 130 ( After being cured, the sheet is discharged onto the discharge table 154 and stacked.

  The second dryer 142 may not only dry (cure) the varnish, but may further dry (cure) the transparent ink.

  That is, in the coating machine 100 according to the present embodiment, the high-viscosity transparent ink drawn out from the ink fountain 126 of the first coating unit 120 by the fountain roller 125 is transferred to the swing roller 124 and the form roller 123. Only a part of one surface of the sheet 1 is spot coated only through the plate cylinder 122.

  For this reason, in the coating machine 100 according to the present embodiment, the transparent ink feed path from the inside of the ink fountain 126 to the sheet 1, that is, the number of times of transfer between the rollers is minimized, and the fountain is transferred. Since the reduction in the thickness of the transparent ink from the roller 125 to the spot coating on the sheet 1 can be minimized, the transparent ink can be spot-coated with a thick layer on the sheet 1. It is possible to easily apply a coating that gives a sufficient touch feeling.

  Therefore, according to the present embodiment, it is possible to easily give the sheet 1 a visual effect such as gloss, and also to easily give the sheet 1 a tactile sensation. The market can be expanded by expanding the application range such as use for marks and dots for identifying the.

  Further, since the transparent ink layer spot-coated on one surface of the sheet 1 can be coated so as to be covered with the varnish layer by the coater cylinder 132 of the second coating unit 130, It is possible to prevent the layer from falling off the sheet 1.

  Also, the ink fountain 126 of the first coating unit 120 adjusts the size of the opening between the peripheral surface of the fountain roller 125 and the bottom plate 22 by the operation of the motor 29, and the amount of transparent ink drawn out Therefore, it is possible to easily adjust the thickness of the transparent ink to be spot-coated at a predetermined position on one side of the sheet 1.

<Second Embodiment>
A second embodiment of the coating machine according to the present invention will be described with reference to FIG. In addition, about the part similar to embodiment mentioned above, the description similar to the description in embodiment mentioned above is abbreviate | omitted by using the code | symbol similar to the code | symbol used in description of embodiment mentioned above.

  As shown in FIG. 5, the plate cylinder 122 is in contact with a form roller 223 that supplies transparent ink to the plate cylinder 122. A fountain roller 125 for drawing out high-viscosity transparent ink from the ink fountain 126 is in contact with the form roller 223. A swinging roller 224 that can reciprocate along the axial direction is in contact with the saddle roller 125 on the upstream side in the rotational direction of the contact position with the contact roller 123.

  A form roller 233 is in contact with the coater cylinder 132. The dosing roller 233 is in contact with a metering roller 234. An original roller 235 is in contact with the metering roller 234. The original roller 235 is located inside a varnish boat 236 that is a liquid reservoir for storing varnish, and the varnish in the varnish boat 236 can be drawn out.

  That is, in the first coating unit 220 of the coating machine 200 according to the present embodiment, the swing roller 224 is in contact with only the heel roller 125 without being in contact with the wearing roller 233, and the wearing roller 233 is The second coating unit 230 is in contact with the reed roller 125 without passing through the swing roller 224, and the second coating unit 230 includes the anilox roller 133 and the chamber 134 in the second coating unit 130 of the coating machine 100 according to the above-described embodiment. Instead, the coating roller 233, the metering roller 234, the original roller 235, the varnish boat 236, and the like constitute a coater cylinder liquid supply means.

  Therefore, according to this embodiment, it is possible to obtain the same effects as those of the above-described embodiment.

<Other embodiments>
Note that if the transparent ink has a liquid repellency with a surface tension smaller than that of the varnish, for example, the spot coating with the transparent ink repels the varnish due to the difference in surface tension between the transparent ink and the varnish. Thus, only the portion of the coating with the varnish that overlaps the coating with the transparent ink has fine irregularities, while the portion of the coating with the varnish that does not overlap with the coating with the transparent ink becomes smooth.

  For this reason, the coating with varnish has a rough surface that overlaps with the coating with transparent ink, resulting in a “gritty” tactile feel, and the other portions become smooth, resulting in a “smooth” tactile feel. The discriminating power of the sheet 1 can be further enhanced by the difference in the touch feeling.

  Furthermore, the coating with varnish has a matte surface where it overlaps with the coating with transparent ink, and the other part becomes a glossy surface. A coating can be applied.

  In the above-described embodiment, the sheet is covered with the spot-coated transparent ink on one surface of the sheet 1 by wrapping a rubber blanket around the coater cylinder 132 of the second coating unit 130 or 230. The varnish is coated over the entire surface of one side of the sheet. In another embodiment, for example, a spot plate is wound around the coater cylinder 132 of the second coating unit 130 to form a spot on one side of the sheet 1. It is also possible to coat the varnish only around the periphery of the spot coating on one side of the sheet 1 so as to cover the coated transparent ink.

  In the above-described embodiment, the coating machine 100 including the first coating unit 120 and the second coating unit 130 and the coating machine including the first coating unit 220 and the second coating unit 230 are used. However, the present invention is not limited to this, and other embodiments include, for example, a coating machine including the first coating unit 120 and the second coating unit 230, Even a coating machine including the coating unit 220 and the second coating unit 130 can obtain the same effects as those of the coating machines 100 and 200 according to the above-described embodiments.

  Further, for example, as shown in FIG. 6, the plate cylinder 322 is brought into contact with the first impression cylinder 121 below the axial center position of the first impression cylinder 121, and the plate cylinder 322 is made in contact with the plate cylinder 322. By arranging the form roller 223, the swing roller 224, the fountain roller 125, and the ink fountain 126, the first coating unit 320 is formed and the axial center position of the second impression cylinder 131 is formed. Also, the second coating unit 330 is arranged by bringing the coater cylinder 332 into contact with the second impression cylinder 131 below and disposing the anilox roller 133 and the chamber 134 with respect to the coater cylinder 332. With respect to the coating machine 300 configured and the plate cylinder 322 that is in contact with the first impression cylinder 121 below the axial center position of the first impression cylinder 121, as shown in FIG. The first coating unit 420 is configured by disposing the writing roller 123, the swing roller 124, the reed roller 125, and the ink fountain 126, and more than the axial center position of the second impression cylinder 131. The coating roller 233, the metering roller 234, the original roller 235, and the varnish boat 236 are disposed on the coater cylinder 332 that is in contact with the second impression cylinder 131 below, thereby providing a second coating. Even with the coating machine 400 that constitutes the unit 430, it is possible to obtain the same operational effects as those of the above-described embodiment.

  In FIGS. 6 and 7, 310 is a sheet feeding unit as a sheet supply unit, 320b is a transfer cylinder, 341 is a first dryer as transparent ink drying means, and 342 is a second dryer as varnish drying means. , 350 is a sheet discharge unit that is a sheet discharge unit, 351 is a discharge cylinder, 352 is a sprocket, 353 is a discharge chain that is an endless chain, and 354A to 354C are discharge trays that are sheet stacking means.

  In the embodiment described above, the case where the coating is applied to the sheet 1 has been described. However, the present invention is not limited to this. For example, the case where the coating is applied to a belt-like web is also described above. The same effects as those in the embodiment can be obtained.

  Since the coating machine and the coating method using the same according to the present invention can perform spot coating with a thick layer on the object to be transferred, it can be used extremely beneficially, for example, in the printing industry.

DESCRIPTION OF SYMBOLS 1 Sheet 100 Coating machine 110 Paper feeder 111 Paper feed stand 112 Feeder board 113 Swing apparatus 120 First coating unit 120a Transfer cylinder 121 First impression cylinder 122 Plate cylinder 123 Forming roller 124 Shaking roller 125 Roller roller 126 Inkwell 130 Second coating unit 130a Transfer cylinder 131 Second impression cylinder 132 Coater cylinder 133 Anilox roller 134 Chamber 141 First dryer 142 Second dryer 150 Paper discharge device 151 Paper discharge drum 152 Sprocket 153 Paper discharge chain 154 Ejection Paper base 200 Coating machine 220 First coating unit 223 Forming roller 224 Shaking roller 230 Second coating unit 233 Forming roller 234 Metering roller 235 Original roller 236 Varnish

Claims (4)

An ink fountain that stores transparent ink, a fountain roller that draws out the transparent ink in the ink fountain, a swing roller that contacts the fountain roller, a form roller that contacts the fountain roller or the swing roller, and A first coating unit that coats transparent ink on one surface of the transfer body, the plate cylinder being in contact with and a first support cylinder that is in contact with the plate cylinder and supports and transfers the transfer body; ,
A second support cylinder that is disposed downstream of the first coating unit in the transport direction of the transfer body and supports and transfers the transfer body so as to contact the other surface of the transfer body; A coating cylinder that is in contact with the support cylinder, and a varnish supplying means that supplies varnish to the coating cylinder, and a second coating unit that coats the varnish on one surface of the transfer body. Feature coating machine. The coating machine according to claim 1,
The varnish supply means of the second coating unit;
Anilox roller in contact with the coater cylinder;
And a chamber for supplying varnish to the anilox roller. In the coating machine according to claim 1 or 2,
The varnish supply means of the second coating unit;
A liquid reservoir to collect varnish,
A contact roller that contacts the coater cylinder;
A metering roller in contact with the wear roller;
A coating machine comprising: a former roller that comes into contact with the metering roller and draws out the varnish inside the liquid reservoir. A coating method using the coating machine according to any one of claims 1 to 3,
The transparent ink drawn out from the ink fountain by the fountain roller to only a part of one surface of the transfer body on the first support cylinder of the first coating unit, After spot coating only through the form roller and the plate cylinder, the spot-coated transparent ink is applied to one surface of the transfer medium supported by the second support cylinder of the second coating unit. A coating method characterized by coating varnish so as to cover.

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