CN102642392A - Gravure coating apparatus - Google Patents
Gravure coating apparatus Download PDFInfo
- Publication number
- CN102642392A CN102642392A CN2012100327989A CN201210032798A CN102642392A CN 102642392 A CN102642392 A CN 102642392A CN 2012100327989 A CN2012100327989 A CN 2012100327989A CN 201210032798 A CN201210032798 A CN 201210032798A CN 102642392 A CN102642392 A CN 102642392A
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- China
- Prior art keywords
- application liquid
- gravure roll
- inner member
- chamber
- mentioned
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0808—Details thereof, e.g. surface characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
- B05C11/04—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface with blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
- B05C19/06—Storage, supply or control of the application of particulate material; Recovery of excess particulate material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/06—Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders
- B41F31/07—Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders for rotogravure
Landscapes
- Coating Apparatus (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention provides a gravure coating apparatus which makes the air attached to a gravure roller properly displace with the coating liquid in a sealed cavity so that the coating property of the coating liquid relative to the gravure roller is effectively improved. The gravure coating apparatus comprises: a gravure roller (2) which transfers the coating liquid for the base material, a coating unit (3) which has a sealed cavity (7) for coating the coating liquid for the gravure roller, and a coating liquid feed mechanism (4, 5) which supplies the coating liquid to the coating liquid storage part (6) of the sealed cavity (7), wherein in the sealed cavity, the side part of the lower stream in the rotation direction of the gravure roller is sealed, and the redundant coating liquid attached to the gravure roller is removed by a knife coating blade (8); a sealed plate (9) is used for sealing the side part of the upper stream in the rotation direction of the gravure roller of the coating liquid storage part (6); and an internal component (10) is arranged between the sealed plate (9) and the knife coating blade (8), and is set to be that the front end part is propped to the periphery of the gravure roller (2) all along.
Description
Technical field
The present invention relates to a kind of intaglio plate painting device, it possesses: to the gravure roll of the surface transfer application liquid of base material; Has the application unit that applies the airtight chamber of application liquid to this gravure roll; Accumulate the application liquid feed mechanism of supplying with application liquid in the portion to the application liquid that in airtight chamber, forms.
Background technology
In the past; Shown in TOHKEMY 2001-104851 communique; Through backing roll with transfer printing the base material of application liquid (coated body) be crimped on gravure roll; And simultaneously with the application liquid on the gravure roll in the painting device of coated body transfer printing, have the application liquid that the application liquid that is coated on the gravure roll is accommodated and accumulate portion (shed space), and weir dish is set in this shed space and is formed for applying the filling part of application liquid to gravure roll; Through application liquid is flowed along the inclined plane that on the dish of above-mentioned weir, is provided with, thereby air and application liquid in the whirlpool born of the same parents that will form at the side face of gravure roll are replaced energetically.
In addition; Shown in japanese kokai publication hei 10-71703 communique and TOHKEMY 2003-251241 communique; Through the interior scraper (black liquid cowling panel) that in application piece (black sap cavity chamber), sets, the internal separation of this China ink liquid chamber is chamber and last chamber down, make above-mentioned in scraper tilt to direction along gravure roll (galley main body); And with the front-end edge of interior scraper with the state setting approaching with respect to gravure roll; When the narrow gap of application liquid through this gravure roll and interior scraper,, thereby make of the tack raising of application liquid phase thus for gravure roll to the resistance of application liquid effect regulation.
In the disclosed invention of above-mentioned each communique; In the airtight chamber that is provided with in order to apply application liquid, set weir dish or interior scraper etc. to gravure roll; The application liquid portion of accumulating that will in airtight chamber, form thus is divided into the upstream chamber and the downstream chamber that is positioned at the direction of rotation downstream of the direction of rotation upstream side that is positioned at gravure roll; And, thereby when application liquid passes through this application liquid path, its flow velocity is risen through the application liquid path of formation narrowed width between this upstream chamber and downstream chamber.According to this structure, promote micro-bubble and the displacement of application liquid in the whirlpool born of the same parents that are trapped in gravure roll in the portion that be provided with of on above-mentioned weir dish or interior scraper, thereby can make the application liquid phase improve a certain degree for the screening characteristics of gravure roll.But; In above-mentioned airtight chamber; Since bring in the whirlpool born of the same parents that are trapped in gravure roll air and attached to this two side of air (air in boundary layer) of the side face of gravure roll; Therefore in airtight chamber, be difficult to above-mentioned air is removed fully, be formed on problem such on the base material easily thereby have the application inequality that the existence of this air causes.
Forming the generation state that above-mentioned airtight chamber confirms the bubble in this airtight chamber through the transparent propene material; And wait in the intaglio plate painting device that forms above-mentioned application liquid path through in airtight chamber, setting the weir dish; When carrying out the experiment that the internal pressure of airtight chamber is measured, can access the data of that kind shown in Figure 9.According to these data; Confirmed that accumulating the pressure ratio that sets the application liquid in the narrow application liquid path 32 of width that weir dish 31 forms in the portion 30 through the application liquid in above-mentioned airtight chamber is positioned at above-mentioned weir and coils the application liquid of the position in 31 downstream to accumulate the upstream chamber 33 of portion 30 high slightly; But the pressure of application liquid of downstream chamber 34 that accumulates portion 30 with the application liquid of the position in the downstream that is arranged in weir dish 31 is roughly the same, and significantly is lower than near the pressure above-mentioned application liquid accumulates the portion that is provided with of blade coating blade 35 of downstream end setting of portion 30.
Therefore; Even accumulate the above-mentioned application liquid path 32 that forms narrow width between 30 upstream chamber 33 and the downstream chamber 34 of portion at above-mentioned application liquid; This part also can't fully remove in the whirlpool born of the same parents that are trapped in gravure roll 2 air and attached to this two side of the air on the side face of gravure roll 2; And accumulate the generation state of the bubble in the portion 30 according to the application liquid that forms by above-mentioned transparent propene, confirmed that also the air of removing in the portion of setting of above-mentioned application liquid path 32 is many not as the air capacity of removing in the portion of setting of above-mentioned blade coating blade 35.Like this; Carry out in the portion of setting of above-mentioned blade coating blade 35 under the situation of displacement of bubble and application liquid on the gravure roll 2; Near the portion that is provided with of above-mentioned blade coating blade 35, become the intensive state of bubble easily, become the situation of the state that runs down because of its inevitable application liquid phase for the surface covered of gravure roll 2.
In addition; Shown in figure 10; Through accumulating the state setting of the black liquid cowling panel 36 that is provided with in the portion at the black liquid of airtight chamber to tilt to direction along gravure roll 2 (galley main body); Thereby logical this part is removed under the air and the situation attached to the air on the side face of gravure roll 2 in the whirlpool born of the same parents that are trapped in gravure roll 2; The bubble K that is formed by this air flows and easily once more on the side face attached to gravure roll 2 along the wall of above-mentioned black liquid cowling panel 36; And follow the rotation of gravure roll 2 and form the state of the leading section of black liquid cowling panel 36 easily, thereby exist above-mentioned bubble K to flow into the problems such as downstream chamber that black liquid accumulates portion easily from the side face separation of gravure roll 2.
Summary of the invention
The present invention puts in view of the above-mentioned problems and proposes; Its purpose is to provide a kind of making attached to air on the gravure roll and the application liquid in the airtight chamber suitably to replace, thus the intaglio plate painting device that the application liquid phase is improved for the screening characteristics of gravure roll effectively.
The present invention provides a kind of intaglio plate painting device, and it possesses: to the gravure roll of the surface transfer application liquid of base material; Has the application unit that applies the airtight chamber of application liquid to this gravure roll; Accumulate the application liquid feed mechanism of supplying with application liquid in the portion to the application liquid that in airtight chamber, forms; Wherein, In said airtight chamber, possess: the gravure roll direction of rotation downstream sidepiece that application liquid is accumulated portion seals, and the blade coating blade that will remove attached to the unnecessary application liquid on the said gravure roll; Said application liquid is accumulated the sealing plate that the gravure roll direction of rotation upstream portion of portion seals; Between sealing plate and said blade coating blade, be arranged to leading section all the time with the inner member of the side face butt of said gravure roll.
According to said structure; Owing to accumulating, the application liquid in airtight chamber sets inner member in the portion; And the leading section that makes inner member all the time with the side face butt of said gravure roll; Therefore through the rotation of said gravure roll, the air that the whirlpool born of the same parents that utilize inner member to remove effectively to be trapped in gravure roll are interior and attached to the air on the side face of gravure roll accumulates in the portion at the application liquid of said airtight chamber; Through this application liquid is accumulated in the portion application liquid with replace reliably attached to the air on the said gravure roll, thereby have the advantage in the whirlpool born of the same parents that can suitably apply application liquid to the side face of gravure roll and application liquid efficient is filled into well gravure roll.
In said intaglio plate painting device; Preferably possess the first application liquid supply passageway and the second application liquid supply passageway; This first application liquid supply passageway accumulates the upstream chamber supply application liquid of portion to being positioned at than said inner member by the application liquid of the position of the direction of rotation upstream portion of gravure roll, and this second application liquid supply passageway is to the downstream chamber's supply application liquid that is positioned at the portion that accumulates by the application liquid of the position of the direction of rotation downstream sidepiece of gravure roll than said inner member.
As above-mentioned structure; Through being provided with to being positioned at than inner member by the first application liquid supply passageway of the upstream chamber supply application liquid of the position of the direction of rotation upstream portion of gravure roll, to being positioned at the second application liquid supply passageway that the downstream chamber of leaning on the application liquid of the position of direction of rotation downstream sidepiece to accumulate portion than gravure roll supplies with application liquid; Even thereby through said inner member the inside that application liquid accumulates portion is being divided under the situation of said upstream chamber and downstream chamber fully, also can form and make application liquid be full of the state in this upstream chamber and the downstream chamber fully.Therefore; Can make said inner member leading section and gravure roll side face securely crimping and with this application liquid accumulate in the portion application liquid with replace effectively attached to the air on the gravure roll; And can be suppressed at said application liquid and accumulate in the upstream chamber of portion the air removed from gravure roll by said inner member, thereby have the air that can prevent effectively to flow in this downstream chamber near the advantage of the generation of such situation on the surface attached to the gravure roll once more portion that is provided with of said blade coating blade from said upstream chamber chamber situation about flowing into downstream.
In said intaglio plate painting device; Can constitute; Be formed with access in airtight chamber; This access will be positioned at than said inner member and lean on upstream chamber that the application liquid of position of the direction of rotation upstream portion of gravure roll accumulates portion and be positioned at the downstream chamber of leaning on the application liquid of position of the direction of rotation downstream sidepiece of gravure roll to accumulate portion than said inner member and be communicated with, and possess the single application liquid feed mechanism of in said application liquid accumulates the upstream chamber of portion, supplying with application liquid.
As stated; Form to be positioned in airtight chamber and lean on upstream chamber that the application liquid of position of the direction of rotation upstream portion of gravure roll accumulates portion and be positioned at the access that the downstream chamber of leaning on the application liquid of position of the direction of rotation downstream sidepiece of gravure roll to accumulate portion than said inner member is communicated with than inner member; And possess under the situation of the single application liquid feed mechanism of in said application liquid accumulates the upstream chamber of portion, supplying with application liquid; Can form through simple structure and make application liquid be full of said application liquid to accumulate the upstream chamber of portion and this two side's of downstream chamber state, thus can with this application liquid accumulate in the portion application liquid with replace effectively attached to the air on the gravure roll.
In addition, in said intaglio plate painting device, can constitute, said inner member is made up of the tabular component of the state setting of tilting with the mode of facing with the direction of rotation of gravure roll.
As stated; Under the situation that the tabular component that inner member is provided with by the state that tilts with the mode of facing with the direction of rotation of gravure roll forms; Rotation through gravure roll to its direction of rotation downstream application of force, can remain the state with the side face butt of this gravure roll with the leading section of said inner member thus.And; The mode channeling conduct that to leave with side face along inner member from the air that said gravure roll is removed from gravure roll; Can prevent to form being trapped in application liquid and accumulating the state in the portion thus effectively, can suppress this air effectively once more attached to the advantage of the generation of situation such on the gravure roll thereby have from the air that the side face of this gravure roll leaves.
In addition, in said intaglio plate painting device, can constitute, in airtight chamber, will be adapted to rotation freely by the inner member that roller in the elasticity constitutes, and the side face that makes this inner member all the time with the gravure roll butt.
According to said structure; In airtight chamber, make and constitute inner member and gravure roll butt by roller in the elasticity and roll; The effect of can preventing thus on this gravure roll has the situation of big load, and simultaneously can with application liquid accumulate in the portion application liquid with replace effectively attached to the air on the gravure roll.
In addition; In said intaglio plate painting device; Can constitute, in airtight chamber, will be adapted to slip freely, and be provided with this inner member driven and regulate the crimp force governor motion of inner member with respect to the crimp force of said gravure roll by the inner member that blocks constitutes.
According to said structure; Make the leading section and the said gravure roll butt of the inner member that constitutes by blocks; Thereby said inner member is had both promote effectively attached to the air on the gravure roll and application liquid accumulate the application liquid in the portion displacement function and as the function of the vibration attenuation member of this gravure roll, therefore have can prevent effectively via said gravure roll with application liquid during to the base material transfer printing on this gravure roll vibrative advantage.
[invention effect]
According to the present invention with said structure, can be with suitably replacing and improve the screening characteristics of application liquid phase effectively for gravure roll attached to the air on the gravure roll and the application liquid in the airtight chamber.
Description of drawings
Fig. 1 is the key diagram of first embodiment of expression intaglio plate painting device of the present invention.
Fig. 2 is the cutaway view of the concrete structure of expression airtight chamber.
Fig. 3 is the figure that is equivalent to Fig. 2 of second embodiment of expression intaglio plate painting device of the present invention.
Fig. 4 is the figure that is equivalent to Fig. 2 of the 3rd embodiment of expression intaglio plate painting device of the present invention.
Fig. 5 is the figure that is equivalent to Fig. 1 of the 4th embodiment of expression intaglio plate painting device of the present invention.
Fig. 6 is the figure that is equivalent to Fig. 2 of the 5th embodiment of expression intaglio plate painting device of the present invention.
Fig. 7 is the figure that is equivalent to Fig. 2 of the 6th embodiment of expression intaglio plate painting device of the present invention.
Fig. 8 is the figure that is equivalent to Fig. 2 of the 7th embodiment of expression intaglio plate painting device of the present invention.
Fig. 9 is the key diagram of active state of internal pressure of airtight chamber of the existing example of expression intaglio plate painting device.
Figure 10 is the key diagram of the generation state of the bubble in the airtight chamber of existing example of expression intaglio plate painting device.
Symbol description:
1 base material
2 gravure roll
4,5,24,43 application liquid feed mechanisms
6 application liquid accumulate portion
7 airtight chamber
8 blade coating blades
9 sealing plates
10,20,27,28 inner members
16,44 first application liquid supply passageways
18,45 second application liquid supply passageways
The specific embodiment
Fig. 1 and Fig. 2 represent first embodiment of intaglio plate painting device of the present invention.This intaglio plate painting device is the device that applies application liquid to the base material of sheet 1, has: be provided on the transport path of this base material 1 and to the gravure roll 2 of the surface transfer application liquid of this base material 1; Apply the application unit 3 of application liquid to this gravure roll 2; Supply with first, second application liquid feed mechanism 4,5 of application liquid to this application unit 3.
To above-mentioned gravure roll 2 and and its backing roll that is oppositely arranged 21 between import base material 1 and base material 1 carried downwards from the top; And the opposite direction along the throughput direction of this base material 1 is rotated driving to above-mentioned gravure roll 2; And make this gravure roll 2 and base material 1 butt simultaneously, thereby to the surface applied application liquid of base material 1.
As shown in Figure 2; In above-mentioned application unit 3, be provided with airtight chamber 7; This airtight chamber 7 has the application liquid that is made up of the spatial portion with the mode opening relative with the side face of gravure roll 2 and accumulates portion 6; And in the upper end, front of this airtight chamber 7, be that the direction of rotation downstream end of above-mentioned gravure roll 2 is equipped with the blade coating blade 8 that is made up of the plate members of steel or plastic plate members (interior scraper) etc., and in the lower front face portion of above-mentioned airtight chamber 7, be that the direction of rotation upstream-side-end of gravure roll 2 is equipped with the sealing plate 9 that is made up of steel sheet material or plastics panel etc.In addition, in above-mentioned airtight chamber 7, inner member 10 is configured between above-mentioned blade coating blade 8 and the sealing plate 9, and this inner member promotes to accumulate attached to air on the gravure roll 2 and application liquid the displacement of the interior application liquid of portion 6.
Above-mentioned blade coating blade 8 and sealing plate 9 constitute; The leading section through making them and the side face crimping of above-mentioned gravure roll 2; The front face side top portion and the following portion that above-mentioned application liquid are accumulated portion 6 seal, and are maintained air-tight state thereby above-mentioned application liquid is accumulated portion 6.In addition; Above-mentioned blade coating blade 8 is through the rotation of above-mentioned gravure roll 2; To accumulate unnecessary application liquid on the side face that is coated in gravure roll 2 in the portion 6 at above-mentioned application liquid and scrape and get, thereby the thickness setting that has the application liquid that on this gravure roll 2, applies gets uniform function.
Above-mentioned inner member 10 ends member 11 by its base end part via card and is fixed in tabular component or the plastic tabular component (interior scraper) etc. that accumulate the steel on the low early and high after inclined plane that the back side portion of portion 6 forms at above-mentioned application liquid and forms.And; Remain the state with the side face butt of gravure roll 2 through the leading section with above-mentioned inner member 10, the internal separation of thus above-mentioned application liquid being accumulated portion 6 is to be positioned at than inner member 10 to lean on the upstream chamber 12 of position of the direction of rotation upstream portion of gravure roll 2 to lean on the application liquid of position of the direction of rotation downstream sidepiece of gravure roll 2 to accumulate the downstream chamber 13 of portion 6 with being positioned at than above-mentioned inner member 10.
In addition; Above-mentioned inner member 10 is set at acute angle (reflex angle) with respect to the angle [alpha] that is provided with of tangent line A; This tangent line A extends state setting that thus above-mentioned inner member 10 with the direction of rotation of gravure roll 2 relative mode tilt with respect to the abutting part of gravure roll 2 along the direction of rotation of gravure roll 2 from above-mentioned inner member 10.And, with the leading section of the inner member 10 of the side face butt of above-mentioned gravure roll 2 by to the direction of the rotation of following gravure roll 2, be direction of rotation downstream (upper side of Fig. 2) application of force of gravure roll 2, be retained as the state of the side face that is crimped on this gravure roll 2 thus.
Above-mentioned first, second application liquid feed mechanism 4,5 is as shown in Figure 1 respectively, have the application liquid case 14 of accommodating the application liquid that constitutes by the black liquid of printing usefulness etc., with the application liquid in this application liquid case 14 to the application liquid of above-mentioned airtight chamber 7 accumulate give portion 6 in send to sending pump 15.And, in the above-mentioned first application liquid feed mechanism 4, be provided with the first application liquid supply passageway 16 of accumulating to application liquid that the upstream chamber 12 of portion 6 supplies with for the application liquid send pump 15 ejections, make and accumulate the application liquid that the upstream chamber 12 of portion 6 discharges from this application liquid and return carrying path 17 to the first application liquid that above-mentioned application liquid case 14 returns from this.On the other hand, in the above-mentioned second application liquid feed mechanism 5, be provided with the second application liquid supply passageway 18 of accumulating to application liquid that the downstream chamber 13 of portion 6 supplies with for the application liquid send pump 15 ejections, make and accumulate the application liquid that the downstream chamber 13 of portion 6 discharges from this application liquid and return carrying path 19 to the second application liquid that above-mentioned application liquid case 14 returns from this.
In said structure; Send pump 15 actions through making giving of first, second application liquid feed mechanism 4,5; Thereby the application liquid that is housed in each application liquid case 14 is supplied with in above-mentioned application liquid accumulates upstream chamber 12 and the downstream chamber 13 of portion 6 respectively, and the while is rotated driving to above-mentioned gravure roll 2 to the throughput direction of base material 1 equidirectional with fixing speed.Rotation through this gravure roll 2; Be trapped in the air in the born of the same parents of its whirlpool and remove respectively by above-mentioned inner member 10 attached to the air on the side face of gravure roll 2 (air in boundary layer); And through this air and above-mentioned application liquid being accumulated the application liquid displacement in the portion 6, thereby suitably apply application liquid and application liquid efficient is filled in the whirlpool born of the same parents of gravure roll 2 well to the side face of gravure roll 2.
Do not remove and the air that is brought into downstream chamber 13 from the upstream chamber 12 that above-mentioned application liquid accumulates portion 6 is removed by the above-mentioned blade coating blade 8 of the downstream portion setting in application liquid accumulates portion 6 in the portion of setting of above-mentioned inner member 10, thereby accumulate the application liquid displacement in the portion 6 with above-mentioned application liquid from gravure roll 2.And; Attached to the application liquid on the side face of above-mentioned gravure roll 2 scraped by above-mentioned blade coating blade 8 get unnecessary application liquid and thickness by the state of homogenising under; Rotation through this gravure roll 2 is to carrying with the contact site of above-mentioned base material 1, thus to the surface transfer of this base material 1.
Need to prove; The air of in above-mentioned airtight chamber 7, being removed from gravure roll 2 by inner member 10 is by to the side directed back of the base end part of inner member 10 (with reference to Fig. 2), via with the base end part of this inner member 10 near the first application liquid of the first application liquid feed mechanism 4 that is connected return carrying path 17 and in application liquid case 14, discharge (with reference to Fig. 1).In addition; The air of removing from gravure roll 2 through above-mentioned blade coating blade 8 is accumulated the upper portion guiding of portion 6 to application liquid after, the second application liquid of the second application liquid feed mechanism 5 that is connected via the upper surface with above-mentioned airtight chamber 7 returns carrying path 19 and is returned and is transported in the application liquid case 14.
Like this; Possess gravure roll 2 to the surface transfer application liquid of base material 1, have to this gravure roll 2 apply the airtight chamber 7 of application liquid application unit 3, accumulate in the intaglio plate painting device of the application liquid feed mechanism 4 of supply application liquid portion 6 in to the application liquid that in airtight chamber 7, forms; In above-mentioned airtight chamber 7, be provided with: the gravure roll direction of rotation downstream sidepiece that application liquid is accumulated portion 6 seals, and the blade coating blade 8 that will remove attached to the unnecessary application liquid on the above-mentioned gravure roll 2; Above-mentioned application liquid is accumulated the sealing plate 9 that the gravure roll direction of rotation downstream sidepiece of portion 6 seals; With leading section all the time and the mode of the side face butt of gravure roll 2 and be arranged on the inner member 10 between sealing plate 9 and the above-mentioned blade coating blade 8, therefore having can be with suitably replacing attached to air on the above-mentioned gravure roll 2 and airtight chamber 7 interior application liquid and improving the application liquid phase effectively for the such advantage of the screening characteristics of gravure roll 2.
Promptly; Stating airtight chamber 7 in the use applies under the situation of application liquid to gravure roll 2; When the coating of this application liquid, can prevent effectively because of application liquid disperses to the outside of airtight chamber 7, or the operating environment that makes that the organic solvent evaporation in the application liquid causes worsens the generation of such situation.On the contrary, the interior air of whirlpool born of the same parents that is trapped in above-mentioned gravure roll 2 reaches the application liquid that is trapped in airtight chamber 7 attached to the air on the side face of gravure roll 2 is brought into easily and accumulates in the portion 6, and extremely difficulty is removed above-mentioned air fully from gravure roll 2.
But; As stated; Accumulate at the application liquid of airtight chamber 7 and to set inner member 10 in the portion 6; And the leading section that makes inner member 10 all the time with the situation of the side face butt of above-mentioned gravure roll 2 under, through the rotation of above-mentioned gravure roll 2, the air in the whirlpool born of the same parents that can utilize inner member 10 to remove effectively respectively to be trapped in gravure roll 2 and attached to this two side of the air on the side face of gravure roll 2.Therefore; Application liquid in above-mentioned airtight chamber 7 accumulates in the portion 6; Can with this application liquid accumulate in the portion 6 application liquid with replace reliably attached to the air on the above-mentioned gravure roll 2; Thus, can suitably apply application liquid to the side face of gravure roll 2 and application liquid efficient is filled in the whirlpool born of the same parents of gravure roll 2 well.
In addition; In above-mentioned first embodiment; Form and be provided with the first application liquid feed mechanism 4 and the structure that possesses the second application liquid feed mechanism 5 of the second application liquid supply passageway 18 that possesses the first application liquid supply passageway 16; Wherein, The first application liquid supply passageway 16 is supplied with the application liquid to being positioned at than inner member 10 by the upstream chamber 12 of the position of the direction of rotation upstream portion of gravure roll 2; The second application liquid supply passageway 18 is supplied with application liquid to being positioned at the downstream chamber 13 of leaning on the application liquid of the position of direction of rotation downstream sidepiece to accumulate portion 6 than gravure roll 2, even therefore be divided into fully under the situation of above-mentioned upstream chamber 12 and downstream chamber 13 in the inside of application liquid being accumulated portion 6 through above-mentioned inner member 10, application liquid is filled in this upstream chamber 12 and the downstream chamber 13 fully respectively.
Therefore; Can the leading section of above-mentioned inner member 10 be crimped on the side face of gravure roll 2 securely and make this application liquid accumulate in the portion 6 application liquid with replace reliably attached to the air on the gravure roll 2, and the air that can prevent effectively in above-mentioned application liquid accumulates the upstream chamber 12 of portion 6 to be removed from gravure roll 2 by above-mentioned inner member 10 is from chamber 13 inflows downstream of above-mentioned upstream chamber 12.Therefore, have the upstream chamber 12 that can prevent effectively to accumulate portion 6 from above-mentioned application liquid downstream in the chamber 13 leaked-in airs be trapped near the portion that is provided with of above-mentioned blade coating blade 8 and the generation of such situation on the surface attached to gravure roll 2 once more.
Need to prove; Also can replace above-mentioned first embodiment that state that inner member 10 that above-mentioned that kind will set tilts with the mode of facing with the direction of rotation of gravure roll 2 is provided with in application liquid accumulates portion 6; And the such such structure as follows that forms of second embodiment as shown in Figure 3; Promptly; Between above-mentioned blade coating blade 8 and sealing plate 9, the inner member 20 that is made up of the tabular component of steel or plastic tabular component (interior scraper) etc. is set with mode along the direction of rotation of gravure roll 2; Inner member 20 is set at obtuse angle (natural angle of slope) with respect to the angle beta that is provided with of tangent line B, and this tangent line B extends along the direction of rotation of gravure roll 2 from the abutting part of inner member 20 with respect to above-mentioned gravure roll 2, and the leading section that makes above-mentioned inner member 20 all the time with the side face butt of gravure roll 2.
But; Under such situation that inner member 20 is provided with the mode along the direction of rotation of gravure roll 2 shown in above-mentioned second embodiment; With the leading section of the inner member 10 of the side face butt of above-mentioned gravure roll 2 through the rotation of gravure roll 2 by the direction application of force of leaving to side face (with reference to the dotted line of Fig. 9) from this gravure roll 2, therefore be difficult to leading section with above-mentioned inner member 20 and remain all the time the state with the side face butt of gravure roll 2.And the air of removing from above-mentioned gravure roll 2 forms near the state the leading section that is trapped in inner member 20 easily, and exists the air (bubble K) that leaves from the side face of this gravure roll 2 easily once more attached to the tendency on the gravure roll 2.
Therefore; First embodiment preferred as shown in Figure 2 is such; The state setting that inner member 10 is tilted with the mode of facing with the direction of rotation of gravure roll 2 in application liquid accumulates portion 6; Rotation through gravure roll 2 thus, with the leading section of above-mentioned inner member 10 to its direction of rotation downstream application of force, thereby can remain the state with the side face butt of this gravure roll 2.In addition; As shown in Figure 2; Under the situation that inner member 10 is provided with the mode relative with the direction of rotation of gravure roll 2; Through the air that will remove from gravure roll 2 along inner member 10 with the mode channeling conduct that the side face from gravure roll 2 leaves, suppress the situation of air trapping in application liquid accumulates portion 6 left from the side face of this gravure roll 2, can prevent effectively that this air is once more attached to the advantage on the gravure roll 2 thereby also have.
In addition; Also can replace be provided with to be positioned at the upstream chamber 12 of leaning on the application liquid of position of the direction of rotation upstream portion of gravure roll 2 to accumulate portion 6 than above-mentioned inner member 10 supply with the first application liquid feed mechanism 4 of application liquid, to being positioned at above-mentioned first, second embodiment that the downstream chamber 13 of leaning on the application liquid of position of the direction of rotation downstream sidepiece of gravure roll 2 to accumulate portion 6 than above-mentioned inner member 10 supplies with the second application liquid feed mechanism 5 of application liquid; And the such such structure as follows that forms of the 3rd embodiment as shown in Figure 4; Promptly; In airtight chamber 7, form access 23; This access 23 will be positioned at than inner member 10 and lean on upstream chamber 12 that the application liquid of position of the direction of rotation upstream portion of gravure roll 2 accumulates portion and be positioned at the downstream chamber 13 of leaning on the application liquid of position of the direction of rotation downstream sidepiece of gravure roll 2 to accumulate portion than above-mentioned inner member 10 and be communicated with, and the single application liquid feed mechanism 24 of supply application liquid in above-mentioned application liquid accumulates the upstream chamber 12 of portion 6 is set.
In above-mentioned the 3rd embodiment; Be provided with and possess the second application liquid feed mechanism 5 that send pump 15 and application liquid case 14 of giving from the application liquid to the downstream chamber 13 that application liquid accumulates portion 6 that supply with; And the application liquid of supplying with in application liquid accumulates the upstream chamber 12 of portion 6 via application liquid supply passageway 25 from single application liquid feed mechanism 24 is flowed in the chamber 13 from above-mentioned access 23 downstream; And can return carrying path 26 through application liquid and will return conveying to the application liquid case 14 of application liquid feed mechanism 24 to the application liquid that derive the outside of this downstream chamber 13; Therefore can make the designs simplification of above-mentioned application liquid feed mechanism 24, and make application liquid be full of above-mentioned upstream chamber 12 and 13 these two sides of downstream chamber simultaneously.
Fig. 5 representes the 4th embodiment of intaglio plate painting device of the present invention.In the intaglio plate painting device of the 4th embodiment; Have single application liquid case 41 and giving the second application liquid supply passageway 45 that is provided with the first application liquid supply passageway 44 that application liquid is accumulated to application liquid that the upstream chamber of portion 6 supplies with in the application liquid feed mechanism 43 that send pump 42, accumulates from these first application liquid supply passageway 44 bifurcateds and to application liquid that the downstream chamber 13 of portion 6 supplies with, will accumulate the first application liquid that application liquid that the upstream chamber 12 of portion 6 derives returns from conveying to application liquid case 41 from application liquid and return carrying path 46, will accumulate that application liquid that the downstream chamber 13 of portion 6 derives and this first application liquid return that carrying path 46 collaborates and return carrying path 47, and be provided with pressure-regulating valve 48 at the above-mentioned second application liquid supply passageway 45 from application liquid to the second application liquid that application liquid case 41 returns conveying.
Intaglio plate painting device according to above-mentioned the 4th embodiment; Above-mentioned access 23 etc. need not be set; Use single application liquid feed mechanism 43 just can application liquid be accumulated upstream chamber 12 and downstream chamber's 13 supplies of portion 6 respectively to above-mentioned application liquid; And through as required above-mentioned pressure-regulating valve 48 being operated, thereby has the such advantage of relative pressure that suitably to regulate above-mentioned upstream chamber 12 and downstream chamber 13.Need to prove; Also can be substituted on the above-mentioned second application liquid supply passageway 45 said structure of pressure-regulating valve 8 is set, and form with first, second application liquid supply passageway 44,45 that application liquid case 41 is connected respectively on giving of application liquid be set respectively send pump structure.
In addition; Also can the substituting group end ending member 11 via card is fixed at above-mentioned application liquid and accumulates the above-mentioned inner member 10,20 that the tabular component by steel (interior scraper) on the low early and high after inclined plane that the back side of portion 6 forms waits formation; And the 5th embodiment as shown in Figure 6 or the 6th embodiment that kind shown in Figure 7 form following such structure; Promptly; The inner member 27 that roller constitutes in the elasticity that in airtight chamber 7, will be formed by tartan etc. is adapted to rotation freely, the side face that makes inner member 27 all the time with gravure roll 2 butts.
According to said structure; The inner member 27 that is made up of roller in the elasticity is rolled with gravure roll 2 butts; Thereby the effect of can preventing on this gravure roll 2 has big load, and simultaneously can with application liquid accumulate in the portion 6 application liquid with replace effectively attached to the air on the gravure roll 2.
Value arbitrarily in the external diameter of the gravure roll 2 of the surface transfer application liquid of above-mentioned base material 1 for example can be set at the scope of 30mm～250mm; But be set at the path about 40mm through external diameter with this gravure roll 2; Can reduce the contact area of gravure roll 2 with respect to base material 1; And the effect of can being suppressed between gravure roll 2 and the base material 1 has big frictional force, therefore has can be suppressed at effectively via this gravure roll 2 to produce the uneven advantage of application when the base material 1 transfer printing application liquid.But; In above-mentioned gravure roll 2 forms rectangularly and sets its distance between bearings bigger painting device; When the external diameter of this gravure roll 2 forms path; Application liquid during to base material 1 transfer printing, being produced vibration on this gravure roll 2, easily application face is produced dysgenic tendency thereby exist via above-mentioned gravure roll 2.
Therefore; In order to prevent on above-mentioned gravure roll 2, to produce the application inequality that vibration causes; For example preferred the 6th embodiment that kind shown in Figure 8 forms following such structure, that is, will be provided in the airtight chamber 7 by the inner member 28 that the blocks of the thickness with regulation etc. constitutes and with its supporting for sliding; And be provided with this inner member 28 is driven and fastening bolt 29 that it is changed in application liquid accumulates portion 6; And the crimp force governor motion is set, and this crimp force governor motion above-mentioned inner member 28 spiral shells such as advances through this fastening bolt 29 being carried out rotating operation, regulates the crimp force of inner member 28 with respect to above-mentioned gravure roll 2.According to this structure; Make below and gravure roll 2 butts of the leading section of this inner member 28 from above-mentioned gravure roll 2; Thereby above-mentioned inner member 28 is had both promote effectively attached to the air on the gravure roll 2 and application liquid accumulate the application liquid in the portion 6 displacement function and as the function of the vibration attenuation member of this gravure roll 2, therefore have can prevent effectively via gravure roll 2 with application liquid during to base material 1 transfer printing on this gravure roll 2 vibrative advantage.
Claims (6)
1. intaglio plate painting device, it possesses: to the gravure roll of the surface transfer application liquid of base material; Has the application unit that applies the airtight chamber of application liquid to this gravure roll; Accumulate in the portion application liquid feed mechanism of supplying with application liquid to the application liquid that in airtight chamber, forms, said intaglio plate painting device is characterised in that,
In said airtight chamber, possess blade coating blade, sealing plate and inner member; Said blade coating blade seals the gravure roll direction of rotation downstream sidepiece that application liquid accumulates portion; And will remove attached to the unnecessary application liquid on the said gravure roll; Said sealing plate seals the gravure roll direction of rotation upstream portion that said application liquid accumulates portion, and said inner member with leading section all the time and the mode of the side face butt of said gravure roll and being arranged between sealing plate and the said blade coating blade.
2. intaglio plate painting device according to claim 1 is characterized in that,
Possess the first application liquid supply passageway and the second application liquid supply passageway; This first application liquid supply passageway is supplied with application liquid to the upstream chamber that application liquid accumulates portion; And the upstream chamber that said application liquid accumulates portion is positioned at the position of leaning on the direction of rotation upstream portion of gravure roll than said inner member; The said second application liquid supply passageway is supplied with application liquid to the downstream chamber that application liquid accumulates portion, and the downstream chamber that said application liquid accumulates portion is positioned at the position of leaning on the direction of rotation downstream sidepiece of gravure roll than said inner member.
3. intaglio plate painting device according to claim 1 is characterized in that,
Be formed with access in airtight chamber; Application liquid is accumulated the upstream chamber of portion to this access and downstream chamber that application liquid accumulates portion is communicated with; And possesses the single application liquid feed mechanism of in said application liquid accumulates the upstream chamber of portion, supplying with application liquid; Wherein, The upstream chamber that said application liquid accumulates portion is positioned at the position of leaning on the direction of rotation upstream portion of gravure roll than said inner member, and the downstream chamber that said application liquid accumulates portion is positioned at the position of leaning on the direction of rotation downstream sidepiece of gravure roll than said inner member.
4. according to claim 2 or 3 described intaglio plate painting devices, it is characterized in that,
Said inner member is by the tabular component with the state setting of tilting constitutes with the mode relative with the direction of rotation of gravure roll.
5. according to claim 2 or 3 described intaglio plate painting devices, it is characterized in that,
In airtight chamber, will be adapted to rotation freely by the inner member that roller in the elasticity constitutes, and the side face that makes this inner member all the time with the gravure roll butt.
6. according to claim 2 or 3 described intaglio plate painting devices, it is characterized in that,
In airtight chamber, will be adapted to by the inner member that blocks constitutes and to slide, and be provided with this inner member driven and regulate the crimp force governor motion of inner member with respect to the crimp force of said gravure roll.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-032278 | 2011-02-17 | ||
| JP2011032278A JP5735300B2 (en) | 2011-02-17 | 2011-02-17 | Gravure coating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102642392A true CN102642392A (en) | 2012-08-22 |
| CN102642392B CN102642392B (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210032798.9A Active CN102642392B (en) | 2011-02-17 | 2012-02-14 | Gravure coating apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5735300B2 (en) |
| KR (1) | KR101905902B1 (en) |
| CN (1) | CN102642392B (en) |
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| CN105188958A (en) * | 2013-05-24 | 2015-12-23 | 富士机械工业株式会社 | Double-sided coating device |
| CN106113935A (en) * | 2016-06-16 | 2016-11-16 | 铜陵锋帆彩色印务有限公司 | Printer |
| CN106457819A (en) * | 2014-06-10 | 2017-02-22 | 富士机械工业株式会社 | Print coating apparatus |
| CN109876994A (en) * | 2019-03-07 | 2019-06-14 | 溧阳卓越新材料科技有限公司 | A kind of aluminum plastic film bubble-free rotogravure application device and its coating processes |
| CN110053357A (en) * | 2019-05-26 | 2019-07-26 | 上海瑞源印刷设备有限公司 | A kind of anilox roll mounting structure |
| CN110624762A (en) * | 2018-06-25 | 2019-12-31 | 住友化学株式会社 | Liquid coating device |
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| CN105188958A (en) * | 2013-05-24 | 2015-12-23 | 富士机械工业株式会社 | Double-sided coating device |
| CN105188958B (en) * | 2013-05-24 | 2017-07-21 | 富士机械工业株式会社 | Double spread device |
| CN106457819A (en) * | 2014-06-10 | 2017-02-22 | 富士机械工业株式会社 | Print coating apparatus |
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| TWI803675B (en) * | 2019-03-26 | 2023-06-01 | 日商日本製鐵股份有限公司 | Closed coating machine and method for manufacturing coating |
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| CN113117987A (en) * | 2021-04-12 | 2021-07-16 | 淮南中智机械设备有限公司 | Automatic production line integrating mold pressing, soft porcelain and flexible laminated stone |
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| CN114273146A (en) * | 2021-12-24 | 2022-04-05 | 中汽创智科技有限公司 | Coating device |
| CN114273146B (en) * | 2021-12-24 | 2023-12-19 | 中汽创智科技有限公司 | Coating device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012170835A (en) | 2012-09-10 |
| CN102642392B (en) | 2015-04-08 |
| JP5735300B2 (en) | 2015-06-17 |
| KR20120094851A (en) | 2012-08-27 |
| KR101905902B1 (en) | 2018-10-08 |
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