CN103537401B - For coating the coating apparatus of slurry, method and coating mechanism on metal base - Google Patents
For coating the coating apparatus of slurry, method and coating mechanism on metal base Download PDFInfo
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- CN103537401B CN103537401B CN201210242036.1A CN201210242036A CN103537401B CN 103537401 B CN103537401 B CN 103537401B CN 201210242036 A CN201210242036 A CN 201210242036A CN 103537401 B CN103537401 B CN 103537401B
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Abstract
The invention discloses a kind of for coating the coating apparatus of slurry, method and coating mechanism on metal base, described coating apparatus includes unreeling structure, coating mechanism, drying mechanism and the rolling-up mechanism set gradually, described coating mechanism includes glue laminated roller, scraper and cylinder for containing the supply package of slurry, anilox roll, Surface coating rubber layer, wherein, described supply package, anilox roll and glue laminated roller from bottom to top right angle setting；Described glue laminated roller rotates in opposite directions with described anilox roll, and forms certain contact pressure between described glue laminated roller and described anilox roll, for the metal base of processing is carried out film.Described cylinder is installed on glue laminated roller two ends, for regulating the height of glue laminated roller.When metal base being carried out film by the present invention, overcome that film of the prior art is uneven, have bubble, cause metal base to be crumpled or produce the problems such as folding line.And its simple in construction, method easily operate.
Description
Technical field
The present invention relates to technology for coating field, a kind of for coating the coating apparatus of slurry, method and coating mechanism on metal base.
Background technology
Along with electronics industry is towards high-density packages, the development of miniaturization, has after the material of specific functionality generally requires film for conductive material, insulant, Heat Conduction Material and the anti-static material etc. of high-end line plate manufacture and re-use.Film mode is just like gravure application, Printing techniques, silk-screen technology, extrusion forming technology etc. at present.
Now widely used gravure application is to use high-speed gravure printing machine, and coating mechanism therein is all to use two diameters anilox roll more than or equal to 200 mm and hard pressure roller to carry out film.The plastic basis material that this type of coating mechanism is relatively suitable for restoring after flexibility and deformation carries out film, such as plastic sheeting, paper wood etc., is adapted to occasion less demanding to film quality and uses.And the coating thickness of Printing techniques of the prior art and extrusion forming technology is generally more than 20 μm, is then difficult to ensure that the homogeneity of coating thickness less than 20 μm.It addition, silk-screen technology is generally not suitable for consecutive production.
Because the price of metallic foil substrates is higher, and have crumple after the most recoverable characteristic, prior art is unsuitable for coating on metal foil a layer thickness uniform thin film less than 20 μm.
Meanwhile, carrying out one very important problem of film in prior art is exactly easily to produce bubble.If bubble is present in the middle of thin film, it will affect film quality, particularly prepare insulating properties thin-film material.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, drawbacks described above for prior art, propose a kind of for coating the coating apparatus of slurry, method and coating mechanism on metal base, the film occurred when overcoming existing coating technique film on metal base is uneven, have bubble or the problem such as cause that metal forming is crumpled, and is particularly well-suited to the thin film forming thickness on metal base less than 20 μm.
It is as follows that the present invention solves the technical scheme that technical problem used:
A kind of coating apparatus for coating slurry on metal base, including the unreeling structure set gradually, coating mechanism, drying mechanism and rolling-up mechanism, wherein, described coating mechanism includes glue laminated roller, scraper and the cylinder for containing the supply package of slurry, anilox roll, Surface coating rubber layer；
Described supply package, anilox roll and glue laminated roller right angle setting the most from down to up；Described anilox roll is for taking up the slurry in supply package when rotating, described glue laminated roller rotates in opposite directions with described anilox roll, and form certain contact pressure between described glue laminated roller and described anilox roll, for the metal base of processing is carried out film, by the slurry in anilox roll texture is transferred to be formed on metal base film；
Described cylinder is installed on glue laminated roller two ends, for regulating the height of glue laminated roller, and contact pressure between metal base and glue laminated roller and anilox roll during to control film；
Described scraper is mounted to contact setting with anilox roll surface, and makes described scraper with the horizontal the angle of 45 ° ~ 60 °, is used for wiping the slurry of anilox roll excess surface off.
The described coating apparatus for coating slurry on metal base, wherein, the diameter of described anilox roll is less than or equal to 100 mm.
The described coating apparatus for coating slurry on metal base, wherein, the diameter of described glue laminated roller is less than or equal to 0.9 times of described anilox roll diameter.
The described coating apparatus for coating slurry on metal base, wherein, rubber layer thickness is glue laminated roller radius the 5% ~ 30% of described glue laminated roller Surface coating setting.
The described coating apparatus for coating slurry on metal base, wherein, the width of described glue laminated roller is less than the width of described anilox roll.
A kind of coating mechanism for coating slurry on metal base, wherein, described coating mechanism includes glue laminated roller, scraper and cylinder for containing the supply package of slurry, anilox roll, Surface coating rubber layer；
Described supply package, anilox roll and glue laminated roller right angle setting the most from down to up；Described anilox roll is for taking up the slurry in supply package when rotating, described glue laminated roller rotates in opposite directions with described anilox roll, and form certain contact pressure between described glue laminated roller and described anilox roll, for the metal base coating slurry to processing, by the slurry in anilox roll texture is transferred to be formed on metal base film；
Described cylinder is installed on glue laminated roller two ends, for regulating the height of glue laminated roller, and contact pressure between metal base and glue laminated roller and anilox roll during to control film；
Described scraper is mounted to contact setting with anilox roll, and makes described scraper with the horizontal the angle of 45 ° ~ 60 °, is used for wiping the slurry of anilox roll excess surface off.
Coating apparatus described in employing carries out the method for film on metal base, wherein, including: the step that the metal base of processing unreeled by unreeling structure, by coating mechanism the metal base of processing carried out the step of film, the step toasted the metal base after film by drying mechanism and the metal base after baking is carried out the step of rolling；
Wherein, the described step metal base of processing being carried out film by coating mechanism specifically includes:
Deflector roll is driven to import between glue laminated roller and anilox roll by the metal base of processing, glue laminated roller is driven to rotate in opposite directions with anilox roll, the slurry in supply package is taken up when rotating by anilox roll, and by with the horizontal 45 ° ~ 60 ° of angles and contact with anilox roll surface setting scraper, the slurry of anilox roll excess surface is wiped off；
Control to be transferred to by the slurry in anilox roll texture on the metal base of processing；And regulate and form certain contact pressure by being installed on the cylinder at glue laminated roller two ends between described glue laminated roller and described anilox roll, carry out the metal base after unreeling extruding film, to form film on the metal base processed.
The described method carrying out film on metal base, wherein, the speed controlling to drive deflector roll to drive metal base to run is 0.5 m/min ~ 20
m/min。
The described method carrying out film on metal base, wherein, the speed controlling to drive deflector roll to drive metal base to run is 1 m/min ~ 6 m/min.
The described method carrying out film on metal base, wherein, the metal base thickness processed is 8 ~ 35 μm；The width of described metal base is between glue laminated roller and anilox roll.
Provided by the present invention a kind of for coating the coating mechanism of slurry, Apparatus and method on metal base, described film mechanism tool is made up of the splendid attire supply package of slurry, anilox roll, glue laminated roller, scraper and the cylinder of Surface coating rubber layer, wherein, described supply package, anilox roll and glue laminated roller from bottom to top vertical alignment are installed；Described anilox roll is for taking up the slurry in supply package when rotating, and described glue laminated roller rotates in opposite directions with described anilox roll, and forms certain contact pressure between described glue laminated roller and described anilox roll, for the metal base of processing is carried out film.Described scraper is set to contact with described anilox roll surface and horizontal by an inclination angle, for being wiped off by the slurry of described anilox roll excess surface；Described cylinder is installed on glue laminated roller two ends, for regulating the height of glue laminated roller, and contact pressure between metal base and glue laminated roller and anilox roll during to control film.It has the beneficial effect that, by film mechanism, equipment and the technique of the present invention, can prevent when carrying out film on metallic foil substrates that film is uneven, have bubble or the problem such as cause that metal base is crumpled.And its simple in construction, method easily operate, it is particularly well-suited to during industry generates process on metal base the thickness thin film less than 20 μm.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of coating mechanism for coating slurry on metal base of present pre-ferred embodiments.
Fig. 2 is glue laminated roller and structural representation during anilox roll processing metal material of a kind of coating mechanism for coating slurry on metal base of present pre-ferred embodiments.
Fig. 3 is the structural representation of a kind of coating apparatus for coating slurry on metal base of present pre-ferred embodiments.
Fig. 4 is the flow chart of a kind of method for coating slurry on metal base of present pre-ferred embodiments.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearer, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of coating mechanism for coating slurry on metal base of the present invention, refers to the structural representation that Fig. 1, Fig. 1 are a kind of coating mechanisms for coating slurry on metal base of present pre-ferred embodiments.Described coating mechanism is formed by containing the supply package 130 of slurry, anilox roll 120, the glue laminated roller 110 of Surface coating rubber layer, scraper 150 and cylinder.
As seen from Figure 1, wherein, described supply package 130, anilox roll 120 and the alignment of glue laminated roller 110 vertical centre the most from down to up are installed；Described anilox roll 120 is for taking up the slurry in supply package 130 when rotating, described glue laminated roller 110 rotates in opposite directions with described anilox roll 120, and form certain contact pressure between described glue laminated roller 110 and described anilox roll 120, for the metal base 140 of processing is carried out film, by the slurry in anilox roll 120 texture is transferred to be formed on metal base 140 film.In implementation process of the present invention, metal base 140 is driven deflector roll 160 to import by left side, is driven deflector roll 160 to derive by right side after film.Therefore left side drives deflector roll 160 to be arranged on the downside of metal base 140, and right side drives deflector roll 160 to be arranged at the upside (side of the most non-film) of metal base 140.
Preferably, at described glue laminated roller 110 two ends, one cylinder (not marking in figure) is respectively set, the height of described cylinder scalable glue laminated roller, i.e. regulate the distance between described glue laminated roller and described anilox roll, and then reach to control during film the purpose of contact pressure between metal base 140 and glue laminated roller 110 and anilox roll 120.Preferably, it is optimum position when being just in close contact between described glue laminated roller 110, metal base 140 and anilox roll 120 three, because the contact pressure between three is excessive or too small being all likely to result in leaves bubble when film, affect the effect of film, when particularly preparing Ins. ulative material.
Described scraper 150 is mounted to contact with anilox roll 120 surface, and makes scraper 150 with the horizontal the angle of 45 ° ~ 60 °, and described scraper 150 is for wiping off the slurry of anilox roll 120 excess surface.It should be noted that when the angle of scraper and horizontal plane is less than 45 °, it is easily caused the slurry that described anilox roll surface stays very few, thus causes coating thickness inadequate, scraper and anilox roll surface are also had serious abrasion simultaneously.When the angle of scraper with horizontal plane is more than 60 °, scraper can be caused again incomplete with contacting of anilox roll, make the slurry local on described anilox roll surface too much, also result in coating thickness controls inaccurate or that formation became uneven is even film.
Further, in present pre-ferred embodiments, the diameter of described anilox roll 120 is less than or equal to 100
mm.The relation being directly proportional to the diameter of anilox roll and width to the contact area of anilox roll 120 due to metal base 140.That is the reduction of anilox roll 120 diameter, can effectively reduce the contact area between metal base 140 and anilox roll 120, by anilox roll 120 in the way of enabling hard metal base material with linear contact lay, and the slurry in anilox roll 120 is transferred to smooth form of film the surface of hard metal base material, effectively prevent hard metal base material extruding film between described glue laminated roller 110 and anilox roll 120 and produce folding line.
It is also preferred that the left the diameter of described glue laminated roller 110 is less than or equal to 0.9 times of described anilox roll 120 diameter, and the rubber layer that thickness is glue laminated roller 110 radius 5% ~ 30% is set at described glue laminated roller 110 Surface coating.The glue laminated roller stock size of existing intaglio press is relatively big, and is the steel rider that hardness is the highest frequently with outer surface, therefore easily hard metal base material is produced expendable permanent folds, affects the quality of product.The embodiment of the present invention arranges rubber layer at described glue laminated roller Surface coating, can effectively avoid the rigid contact of glue laminated roller and metal base, the rubber layer thickness that glue laminated roller is wrapped up simultaneously exceedes the 5% of its radius, elasticity based on rubber layer, metal base can be made more fully to contact under the glue laminated roller pressure with anilox roll, thus be effectively guaranteed the homogeneous of coating thickness.When the rubber layer thickness that glue laminated roller is wrapped up is more than 30%, glue laminated roller elasticity is too big, is easily caused deformation during pressing.
Further, as in figure 2 it is shown, structural representation during the glue laminated roller of a kind of coating mechanism that Fig. 2 is present pre-ferred embodiments and anilox roll processing metal base.The width of described glue laminated roller 110 is less than the width of described anilox roll 120, and it is also preferred that the left when carrying out metal base 140 film, the width of metal base 140 can be between the width of the width of described anilox roll 120 and described glue laminated roller 110.Owing to the width of anilox roll can be conducive to its marginal position during metal base is by anilox roll to be supported more than the width of metal base, it is to avoid metal base is destroyed.On the other hand, the width of described glue laminated roller less than the benefit of the width of metal base is, if glue laminated roller is as the width of metal base or wider, during film, glue laminated roller then can contact with anilox roll, the edge of glue laminated roller can touch the slurry in anilox roll, and the passage slurry in elapsed time is cumulative, it is easy to transfer to the edge of metal base, thus one layer of thicker thin film can be formed at the edge of metal base.The back side of metal base marginal position the most also can be transferred to because of the spreading effect of slurry.Causing the thickness of metal base marginal position to cause with the variable thickness in centre position, when rolling As time goes on, the thickness of marginal position differs increasing with the thickness in centre position, and rolling can produce serious rolling deformation after a certain amount of.It addition, the sizing material existing for the metal base back side is also possible to transfer on described driving deflector roll during being transferred to apparatus for baking, thus pollute whole baking mechanism.
Therefore, by a kind of coating mechanism for coating slurry on metal base of above-described embodiment, outside glue laminated roller, cladding arranges rubber layer, cylinder is set so that the height adjustable of described glue laminated roller, the scraper contacted with described anilox roll surface is set, and the width of described anilox roll is set greater than described glue laminated roller etc., by the improvement in these structures, to when carrying out film on metal base, anilox roll rotates in opposite directions with glue laminated roller, anilox roll takes up slurry when rotating, the material of anilox roll excess surface is wiped off by scraper, slurry in anilox roll texture then transfers to be formed on metal base film, the film overcoming existing coating mechanism is uneven, there is bubble, or cause metal base to be crumpled or produce the problems such as folding line.Thickness can be formed on metal base less than 20 μm, uniform thin film.
The described coating mechanism provided based on the above embodiment of the present invention, additionally provides a kind of coating apparatus for coating slurry on metal base, and Fig. 3 is the structural representation of a kind of coating apparatus for coating slurry on metal base of present pre-ferred embodiments.As it is shown on figure 3, described equipment includes unreeling structure 30, coating mechanism 31, drying mechanism 32 and the rolling-up mechanism 33 set gradually, wherein, the concrete structure of described coating mechanism 31 refers to described in Fig. 1, Fig. 2 and above-described embodiment.
It addition, based on the above embodiment of the present invention, additionally provide a kind of method carrying out film on metal base, as shown in Figure 4, Fig. 4 is the flow chart of a kind of method for coating slurry on metal base of present pre-ferred embodiments.The method comprises the step of:
S110, by unreeling structure to processing metal base unreel.
S120, by coating mechanism to processing metal base carry out film.
S130, by drying mechanism, the metal base after film is toasted.
S140, to baking after metal base carry out rolling.
It is also preferred that the left described step S120 specifically includes:
First, deflector roll 160 is driven to import between glue laminated roller 110 and anilox roll 120 by the metal base 140 of the processing put into by unreeling structure, glue laminated roller is driven to rotate in opposite directions with anilox roll, take up the slurry in supply package 130 by anilox roll 120 when rotating, and by with the horizontal 45 ° ~ 60 ° of angles and the scraper 150 that contacts setting with anilox roll surface the slurry of anilox roll excess surface is wiped off；Specifically refer to described in Fig. 1 and Fig. 2 and embodiment.
Secondly, control to be transferred to by the slurry in anilox roll texture on the metal base of processing；And regulate and form certain contact pressure by being installed on the cylinder at glue laminated roller two ends between described glue laminated roller and described anilox roll, carry out extruding film, to form film on metal base to the metal base of processing.As shown in Figure 1, metal base from left to right by between described glue laminated roller and described anilox roll, metal base on the left of the most described glue laminated roller and described anilox roll is the state before film, and the metal base on the right side of described glue laminated roller and described anilox roll is the state after film.
It is also preferred that the left the speed controlling to drive deflector roll to drive described metal base to run can be 0.5 m/min ~ 20 m/min.When the speed that described metal base runs is less than 0.5 m/min, impact is coated with membrane efficiency.The speed run when described metal base is higher than 20
During m/min, easily produce the discontinuity (in other words, i.e. metal base can not be by complete film) of film, or cause the defect such as generation fold of metal base, affect the quality of film.Metal base is carried out in the detailed description of the invention of film by the present invention, and the speed controlling to drive deflector roll to drive described metal base to run is 1
m/min~6 m/min。
It is also preferred that the left the width of the metal base processed is between glue laminated roller and anilox roll, as described in Fig. 2 and embodiment.And the metal base used can be Copper Foil, aluminium foil, native silver, nickel foil etc..If using Copper Foil can be again electrolytic copper foil and rolled copper foil.
It is also preferred that the left the metal base thickness processed is 8 ~ 35 μm；Because when the thickness of metal base is less than 8 μm, easily it is being coated with membrane process generation fracture.And when the thickness of metal base is higher than 35 μm, the most easily produce folding line being coated with membrane process.
In sum, a kind of coating mechanism for coating slurry on metal base that the above embodiment of the present invention provides, Apparatus and method for, described coating mechanism is by the supply package containing slurry, anilox roll, the glue laminated roller of Surface coating rubber layer, scraper and cylinder composition, outside glue laminated roller, cladding arranges rubber layer, cylinder is set so that the height adjustable of described glue laminated roller, the scraper contacted with described anilox roll surface is set, and the width of described anilox roll is set greater than described glue laminated roller etc., improved by these, when carrying out film on metal base, anilox roll rotates in opposite directions with glue laminated roller, anilox roll takes up slurry when rotating, the material of anilox roll excess surface is wiped off by scraper, slurry in anilox roll texture then transfers to be formed on metal base film.Additionally when carrying out metal base film, the speed controlling metal base operation is 0.5
M/min ~ 20 m/min, further avoid that the film during film is uneven, has bubble, causes metal base to be crumpled or produce the problems such as folding line.And its simple in construction, method easily operate, it is particularly well-suited to during industry generates form thickness on metal base less than 20 μm, uniform thin film.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (6)
1. the coating apparatus being used for coating slurry on metal base, including the unreeling structure set gradually, coating mechanism, drying mechanism and rolling-up mechanism, it is characterized in that, described coating mechanism includes glue laminated roller, scraper and cylinder for containing the supply package of slurry, anilox roll, Surface coating rubber layer；
Described supply package, anilox roll and glue laminated roller right angle setting the most from down to up；Described anilox roll is for taking up the slurry in supply package when rotating, described glue laminated roller rotates in opposite directions with described anilox roll, and form certain contact pressure between described glue laminated roller and described anilox roll, for the metal base of processing is carried out film, by the slurry in anilox roll texture is transferred to be formed on metal base film；
Described cylinder is installed on glue laminated roller two ends, for regulating the height of glue laminated roller, and contact pressure between metal base and glue laminated roller and anilox roll during to control film；
Described scraper is mounted to contact setting with anilox roll surface, and makes described scraper with the horizontal the angle of 45 ° ~ 60 °, is used for wiping the slurry of anilox roll excess surface off；
The diameter of described anilox roll is less than or equal to 100 mm；
The diameter of described glue laminated roller is less than or equal to 0.9 times of described anilox roll diameter；
The width of described glue laminated roller is less than the width of metal base；
Rubber layer thickness is glue laminated roller radius the 5% ~ 30% of described glue laminated roller Surface coating setting；
The width of described glue laminated roller is less than the width of described anilox roll；
When carrying out metal base film, the width of metal base is between the width and the width of described glue laminated roller of described anilox roll.
2. the coating mechanism being used for coating slurry on metal base, it is characterised in that described coating mechanism includes glue laminated roller, scraper and cylinder for containing the supply package of slurry, anilox roll, Surface coating rubber layer；
Described supply package, anilox roll and glue laminated roller right angle setting the most from down to up；Described anilox roll is for taking up the slurry in supply package when rotating, described glue laminated roller rotates in opposite directions with described anilox roll, and form certain contact pressure between described glue laminated roller and described anilox roll, for the metal base coating slurry to processing, by the slurry in anilox roll texture is transferred to be formed on metal base film；
Described cylinder is installed on glue laminated roller two ends, for regulating the height of glue laminated roller, and contact pressure between metal base and glue laminated roller and anilox roll during to control film；
Described scraper is mounted to contact setting with anilox roll, and makes described scraper with the horizontal the angle of 45 ° ~ 60 °, is used for wiping the slurry of anilox roll excess surface off；
The diameter of described anilox roll is less than or equal to 100 mm；
The diameter of described glue laminated roller is less than or equal to 0.9 times of described anilox roll diameter；
The width of described glue laminated roller is less than the width of metal base；
Rubber layer thickness is glue laminated roller radius the 5% ~ 30% of described glue laminated roller Surface coating setting；
The width of described glue laminated roller is less than the width of described anilox roll；
When carrying out metal base film, the width of metal base is between the width and the width of described glue laminated roller of described anilox roll.
3. the method that the coating apparatus used described in claim 1 carries out film on metal base, it is characterized in that, including: the step that the metal base of processing unreeled by unreeling structure, by coating mechanism the metal base of processing carried out the step of film, the step toasted the metal base after film by drying mechanism and the metal base after baking is carried out the step of rolling；
Wherein, the described step metal base of processing being carried out film by coating mechanism specifically includes:
Deflector roll is driven to import between glue laminated roller and anilox roll by the metal base of processing, glue laminated roller is driven to rotate in opposite directions with anilox roll, the slurry in supply package is taken up when rotating by anilox roll, and by with the horizontal 45 ° ~ 60 ° of angles and contact with anilox roll surface setting scraper, the slurry of anilox roll excess surface is wiped off；
Control to be transferred to by the slurry in anilox roll texture on the metal base of processing；And regulate and form certain contact pressure by being installed on the cylinder at glue laminated roller two ends between described glue laminated roller and described anilox roll, carry out the metal base after unreeling extruding film, to form film on the metal base processed.
The method carrying out film the most on metal base, it is characterised in that the speed controlling to drive deflector roll to drive metal base to run is 0.5 m/min ~ 20 m/min.
The method carrying out film the most on metal base, it is characterised in that the speed controlling to drive deflector roll to drive metal base to run is 1 m/min ~ 6 m/min.
The method carrying out film the most on metal base, it is characterised in that the metal base thickness processed is 8 ~ 35 μm；The width of described metal base is between glue laminated roller and anilox roll.
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| CN201862537U (en) * | 2010-10-22 | 2011-06-15 | 东莞光群雷射科技有限公司 | Pressure roller wiping device for coating machine and coating machine |
| CN202238491U (en) * | 2011-09-14 | 2012-05-30 | 广东生益科技股份有限公司 | Extruding and presoaking structure for reinforcing material |
| CN202238492U (en) * | 2011-09-16 | 2012-05-30 | 江阴市汇通包装机械有限公司 | Gluing equipment |
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| CN103537401A (en) | 2014-01-29 |
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