CN102555422A - Doctor Blade For Gravure Printing Apparatus And Method For Manufacturing The Same And Gravure Printing Apparatus - Google Patents

Doctor Blade For Gravure Printing Apparatus And Method For Manufacturing The Same And Gravure Printing Apparatus Download PDF

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Publication number
CN102555422A
CN102555422A CN201110314040XA CN201110314040A CN102555422A CN 102555422 A CN102555422 A CN 102555422A CN 201110314040X A CN201110314040X A CN 201110314040XA CN 201110314040 A CN201110314040 A CN 201110314040A CN 102555422 A CN102555422 A CN 102555422A
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China
Prior art keywords
layer
main body
wearing
tearing
scraper
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Pending
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CN201110314040XA
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Chinese (zh)
Inventor
张东翼
金基珑
金斗永
许康宪
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Samsung Electro Mechanics Co Ltd
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Samsung Electro Mechanics Co Ltd
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Publication of CN102555422A publication Critical patent/CN102555422A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/08—Wiping mechanisms
    • B41F9/10—Doctors, scrapers, or like devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/18—Impression cylinders
    • B41F13/187—Impression cylinders for rotogravure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F15/00—Screen printers
    • B41F15/14—Details
    • B41F15/44—Squeegees or doctors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/08—Wiping mechanisms
    • B41F9/10—Doctors, scrapers, or like devices
    • B41F9/1054—Sharpening, honing devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Printing Plates And Materials Therefor (AREA)

Abstract

The present invention provides a doctor blade for a gravure printing apparatus, a method for manufacturing the same, and the gravure printing apparatus thereof. The doctor blade comprises the following components: a body which is made of metal; an abrasion restraining layer which is formed on the body and comprises ceramic fine particles; a chip preventing layer which is formed on the abrasion restraining layer for restraining the chips in the abrasion restraining layer. The chip preventing layer is made of a material with hardness that is smaller than that of the abrasion restraining layer.

Description

The scraper and manufacturing approach and the gravure printing apparatus that are used for gravure printing apparatus
The application requires to be submitted on October 22nd, 2010 priority of the 10-2010-0103371 korean patent application of Korea S Department of Intellectual Property, and the open of this application is contained in this by reference.
Technical field
The present invention relates to a kind of scraper (doctorblade) of intaglio printing (gravure printing) equipment, a kind of method and a kind of gravure printing apparatus of making this scraper of being used for; More particularly, relate to a kind of be used for gravure printing apparatus can remove the scraper of printing paste, a kind of manufacturing approach and a kind of gravure printing apparatus of this scraper from the transfer printing main body.
Background technology
In general, gravure printing apparatus comprises the transfer printing main body, and wherein, the transfer printing main body has a zone that is immersed in the printing paste that is contained in the chamber.
The zone that is immersed in the printing paste that is contained in the chamber of transfer printing main body is contained in (said cave is arranged on the surface of transfer printing main body) in the cave (cell) with printing paste, then printing paste is offered substrate.
Therefore, printing paste is transferred on substrate.
Simultaneously, before printing paste is fed to substrate, be attached to the extra printing paste on the surface of transfer printing main body from the surface removal of transfer printing main body through scraper.
Yet, owing to scraper maintains under scraper and the transfer printing main body state of contact, so during the driving of transfer printing main body, possibly cause the contact portion between scraper and the transfer printing main body to be worn owing to friction.In addition, on the surface of scraper, produce owing to defective that the vibration from the transmission of transfer printing main body causes (for example, chip etc.).
As a result, when printing paste when the transfer printing main body is transferred to substrate, possibly cause printing defects (for example, spot, striped etc.).
Summary of the invention
One side of the present invention provides a kind of scraper that is used for gravure printing apparatus, and this scraper can suppress owing to friction and vibrate the defective that produces.
Another aspect of the present invention provides a kind of method of making scraper, and this scraper can suppress owing to friction and vibrate the defective that produces.
Another aspect of the present invention provides a kind of gravure printing apparatus, and this gravure printing apparatus can reduce the printing defects generation because the defective of the scraper that friction and vibration cause produces through suppressing.
According to an aspect of the present invention, a kind of scraper that is used for gravure printing apparatus is provided, said scraper comprises: main body is made of metal; Wearing and tearing suppress layer, are formed on the said main body, and comprise ceramic particle; Chip prevents layer, being formed on wearing and tearing and suppressing on the layer, suppresses the chip in the layer to suppress wearing and tearing, and chip prevents that layer from being processed by the material with the little hardness of hardness that specific wear suppresses layer.
Chip prevents that layer from can be formed by nickel coating, and has the thickness of 3 μ m to 20 μ m.
It can be the Ni-P base coating that comprises ceramic particle that wearing and tearing suppress layer.
Wearing and tearing suppress layer can have the thickness of 5 μ m to 30 μ m and the hardness of 900Hv to 1100Hv.
According to an aspect of the present invention, the method that provides a kind of manufacturing to be used for the scraper of gravure printing apparatus, said method comprises: the wearing and tearing that will comprise ceramic particle suppress layer and are stacked on the main body of scraper; To prevent that layer is stacked on wearing and tearing and suppresses on the layer by the chip that the material with the little hardness of hardness that specific wear suppresses layer is processed.
Can prevent layer through plating formation wearing and tearing inhibition layer and chip.
According to an aspect of the present invention, a kind of gravure printing apparatus is provided, this gravure printing apparatus comprises: chamber, printing paste are stored in the said chamber; The transfer printing main body, the bottom of said transfer printing main body is immersed in the printing paste that is contained in the said chamber, and the transfer printing main body comprises the cave, and said cave holds printing paste temporarily, printing paste is transferred to the substrate that transports; Pressing element is set to relatively with the transfer printing main body, and the substrate that transports is pressed to the transfer printing main body; Scraper is set to contact the transfer printing main body, is applied to the printing paste on the surface of transfer printing main body with removal.
Description of drawings
Through the detailed description of carrying out below in conjunction with accompanying drawing, above-mentioned and other aspects of the present invention, characteristics and other advantages will be expressly understood more, in the accompanying drawing:
Fig. 1 is the side view according to the gravure printing apparatus of exemplary embodiment of the present invention;
Fig. 2 is the schematic perspective view according to the structure of the scraper that is used for gravure printing apparatus of exemplary embodiment of the present invention;
Fig. 3 A to Fig. 3 D shows the sequential process of method that manufacturing according to exemplary embodiment of the present invention is used for the scraper of gravure printing apparatus.
The specific embodiment
Now, will describe exemplary embodiment of the present invention in detail with reference to accompanying drawing.Yet; It should be noted; The embodiment that spirit of the present invention is not limited in this elaboration; And understand those skilled in the art of the present invention and can and remove the parts in identical spirit and easily realize being included in other embodiment or the invention of degeneration in the spirit of the present invention, but these are interpreted as and are included in the spirit of the present invention through adding, revising.
In addition, when the detailed description of confirming the known technology relevant with the present invention can make main points of the present invention fog, with the detailed description of omitting said known technology.
Hereinafter, with the gravure printing apparatus that illustrates and describes according to exemplary embodiment of the present invention.
Fig. 1 is the side view according to the gravure printing apparatus of exemplary embodiment of the present invention.
With reference to Fig. 1, can be constructed to comprise chamber 110, transfer printing main body 120, pressing element 130 and scraper 200 according to the gravure printing apparatus 100 of exemplary embodiment of the present invention.
Chamber 110 has the inner space that can hold printing paste P, and has such shape: an end of chamber 110 opens wide, so that the part of transfer printing main body 120 can be immersed among the printing paste P.
That is, chamber 110 can have recessed ship shape shape, in this recessed ship shape shape, and the opened upper end of chamber 110, and chamber 110 can make printing paste be contained in this recessed ship shape shape.
Simultaneously, the printing paste P that is contained in the chamber 110 can be a conductive paste.
Transfer printing main body 120 has the bottom that is immersed among the printing paste P that is contained in the chamber 110, and comprises cave 122, and cave 122 holds printing paste P temporarily, printing paste P is transferred to the substrate that transports.
Simultaneously, transfer printing main body 120 can be formed by the roller component structure, and the outer surface of this roller component is applied with printing paste P, on the substrate W that electrode pattern is printed on high-speed motion.
In addition, exemplary embodiment of the present invention has been described the situation that transfer printing main body 120 is formed by for example roller component structure, yet, the invention is not restricted to this, but transfer printing main body 120 can be formed and has and can electrode pattern be printed on the Any shape on the substrate W.
At this, the operation of transfer printing main body 120 is described, the bottom of transfer printing main body 120 is set to be immersed among the printing paste P that is contained in the chamber 110.In addition, when substrate W was transferred, transfer printing main body 120 rotation made the outer surface of transfer printing main body 120 and the cave 122 that is formed on the outer surface of transfer printing main body 120 be applied in printing paste P.
Like this, the printing paste P that is applied to transfer printing main body 120 of the rotation through transfer printing main body 120 can be supplied to substrate W.At this moment, transfer printing main body 120 is rotated with the movement velocity of substrate W accordingly.
In addition, transfer printing main body 120 can be processed by the mild steel that can relatively easily process, and improving machining accuracy, and transfer printing main body 120 has the surface of chromium plating Cr, to prevent corrosion.
Simultaneously, substrate W can be ceramic printed-circuit board (ceramic green sheet), for example, and the ceramic printed-circuit board that the suppressed by vector film adheres to.
It is relative with transfer printing main body 120 that pressing element 130 can be set to, and substrate conveying W is pressed to transfer printing main body 120.
That is, pressing element 130 is pressed to transfer printing main body 120 with substrate W, makes substrate conveying W closely be attached to transfer printing main body 120, and makes electrode pattern can be formed on the surface of substrate W.
Simultaneously, pressing element 130 can be formed by the roller component structure.Yet the shape of pressing element 130 can be changed to corresponding with the shape of transfer printing main body 120.That is, for example, when transfer printing main body 120 had the plate shape, pressing element 130 also can have the plate shape.
In addition, when pressing element 130 was formed by roller component, pressing element can be formed the circumference with the circumference that is equal to or less than transfer printing main body 120.
Scraper 200 is set to contact with transfer printing main body 120, is attached to the printing paste P on the surface of transfer printing main body 120 with removal.
To describe scraper 200 in detail below.
Fig. 2 is the schematic perspective view according to the structure of the scraper that in gravure printing apparatus, uses of exemplary embodiment of the present invention.
See figures.1.and.2, the scraper 200 (being called as hereinafter, " scraper ") that is used for gravure printing apparatus is used for removing the printing paste P except the printing paste P in the cave 122 that is accommodated in transfer printing main body 120 of the outer surface that is applied to transfer printing main body 120.
In addition, scraper 200 can be configured to comprise that the main body 210, the wearing and tearing that are made of metal suppress layer 220 and chip (chipping) prevents layer 230.
Main body 210 can be processed by metal (for example, steel or stainless steel).In addition, main body 210 has the shape of the printing paste P that can remove the surface that is applied to transfer printing main body 120.
That is, main body 210 can comprise crooked contact 212 (contact 212 has an edge of the circle of forming), to produce defective on the surface that is suppressed at transfer printing main body 120.Therefore, when scraper 200 contact transfer printing main bodys 120, can reduce on the surface of transfer printing main body 120 producing defective.
Wearing and tearing suppress layer 220 and can be formed on the main body 210, and can comprise ceramic particle.
That is, wearing and tearing suppress layer 220 can be processed by the material that comprises ceramic particle, because the wearing and tearing that the friction between scraper 200 and the transfer printing main body 120 causes, and wearing and tearing suppress layers 220 and can be formed on the surface of main body 210 to reduce.
Simultaneously, ceramic particle can be Al for example 2O 3, SiO 2, SiC, TiN etc.Preferably, ceramic particle can be SiC.
In addition, wearing and tearing inhibition layer 220 can be the Ni-P base coating that comprises ceramic particle.Yet wearing and tearing suppress layer 220 and are not limited to said coating, but the whole bag of tricks formation such as (for example) ionic depositing method, chemical vapour desposition (CVD) etc. capable of using.
In addition, wearing and tearing inhibition layer 220 can have the thickness of 5 μ m to 30 μ m and the hardness of 900Hv to 1100Hv.
Therefore, though the wearing and tearing of main body 210 can be reduced in the surface of the transfer printing main body 120 of scraper 200 contact rotations.
Chip prevents that layer 230 can be formed on wearing and tearing and suppress on the layer 220, suppresses the chip in the layer 220 to suppress wearing and tearing, and chip prevents that layer 230 from can be processed by the material with the little hardness of hardness that specific wear suppresses layer 220.
In addition, chip prevents that layer 230 from can be formed by nickel coating, and can have the thickness of 3 μ m to 20 μ m.Simultaneously, chip prevents that layer 230 also is not limited to said coating, but the whole bag of tricks such as ionic depositing method, chemical vapour desposition (CVD) etc. capable of using applies.
Can prevent layer 230 minimizing because the defective that the vibration that the friction between the surface of wearing and tearing inhibition layer 220 and transfer printing main body 120 is perhaps transmitted from transfer printing main body 120 produces (for example, wearing and tearing inhibition layer 220 comes off) through chip.
In other words; Because chip prevents layer 230 and is processed by the material of the little hardness of the hardness with specific wear inhibition layer 220; So the impact that causes owing to the vibration of transmitting from transfer printing main body 120 is being prevented that by chip being passed to wearing and tearing when layer 230 from absorbing suppresses layer 220; Can reduce defective thus and produce (for example, wearing and tearing suppress coming off of layer 220).
Simultaneously, following table is represented the life-span that prevents layer 230 thickness according to chip of scraper 200, that is, but the number to be printed under the situation that does not produce printing defects.
[table]
Figure BSA00000592560500051
Figure BSA00000592560500061
As stated, what can recognize is to prevent that through chip layer 230 from having prolonged the life-span of scraper 200.
Specifically, what can recognize is, when chip prevents that the thickness of layer 230 from being 3 μ m to 20 μ m, prevents that with chip the situation that layer 230 is not set to scraper 200 from comparing, and has prolonged the life-span of scraper 200.
As stated, can prevent that layer 230 from suppressing wearing and tearing inhibition layer 220 and producing defective, produce thereby reduce printing defects through chip.
Promptly; Chip with the little hardness of hardness that specific wear suppresses layer 220 prevents that layer 230 is formed on wearing and tearing and suppresses on the layer 220; Can suppress thus to produce defective owing to the vibration of transmitting from transfer printing main body 120 causes wearing and tearing to suppress layer 220; Therefore can reduce the generation of printing defects (for example, flaw in printing, striped etc.).
Hereinafter, with illustrating and describing the method that is used for the scraper of gravure printing apparatus according to the manufacturing of exemplary embodiment of the present invention.
Yet, with using identical label to describe the parts identical with above-mentioned parts.
Fig. 3 A to Fig. 3 D shows the sequential process according to the method that is used to make the scraper that is used for gravure printing apparatus of exemplary embodiment of the present invention.
With reference to Fig. 3 A to Fig. 3 D, the main body 210 with writing board shape is by at first preparation, shown in Fig. 3 A.Main body 210 can be by processing such as the material of metal (for example, steel or stainless steel).
Then, processing is formed the contact 212 of circular bending on a length edge of main body 210, shown in Fig. 3 B.That is, crooked contact 212 is formed on the length edge of main body 210, thereby when scraper 200 contacts with transfer printing main body 120, can be suppressed on the surface of transfer printing main body 120 through scraper 200 and produce defective.
When the man-hour that adds of having accomplished crooked contact 212, wearing and tearing suppress layer 220 and are plated on the surface of main body 210, shown in Fig. 3 C.Simultaneously, wearing and tearing inhibition layer 220 can be processed by the material that comprises ceramic particle.
Simultaneously, ceramic particle can be Al for example 2O 3, SiO 2, SiC, TiN etc., preferably, ceramic particle can be SiC.In addition, wearing and tearing inhibition layer 220 can be the Ni-P base coating that comprises ceramic particle.
Simultaneously, the lip-deep wearing and tearing that are formed on main body 210 suppress layer 220 and can have the thickness of 5 μ m to 30 μ m, and can have the hardness of 900Hv to 1100Hv.
Therefore, though the wearing and tearing of main body 210 can be reduced in the surface of the transfer printing main body 120 of scraper 200 contact rotations.
In addition, wearing and tearing inhibition layer 220 can only be formed on the contact 212 of the bending that contacts transfer printing main body 120, perhaps can be formed on the whole surface of main body 210.
When having accomplished wearing and tearing and suppress piling up of layer 220, the chip of being processed by the material with the little hardness of hardness that specific wear suppresses layer 220 prevents that layer 230 can be formed on wearing and tearing and suppress on the layer 220, suppresses the chip in the layer 220 to suppress wearing and tearing, shown in Fig. 3 D.
In addition, chip prevents that layer 230 from can be formed by nickel coating, and can have the thickness of 3 μ m to 20 μ m.
Because chip prevents layer 230 and is processed by the material of the little hardness of the hardness with specific wear inhibition layer 220; So the impact that causes owing to the vibration of transmitting from transfer printing main body 120 is being prevented that by chip being passed to wearing and tearing when layer 230 from absorbing suppresses layer 220; Can reduce defective thus and produce (for example, wearing and tearing suppress coming off of layer 220).
Simultaneously, chip prevents that layer 230 can only be formed on the top of wearing and tearing inhibition layer 220.That is, chip prevents that layer 230 can only be formed on the part that is formed with wearing and tearing inhibition layer 220 partly.
As stated, prevent that through piling up chip the processing of layer 230 from making chip prevent that layer 230 is formed on the wearing and tearing inhibition layer 220, suppresses layer 220 generation defective thereby can suppress wearing and tearing.Therefore, can be provided for the scraper 200 that can reduce the printing defects generation of gravure printing apparatus.
That is, the chip with the little hardness of hardness that specific wear suppresses layer 220 prevents that layer 230 is formed on wearing and tearing and suppresses on the layer 220, can suppress thus because the vibration of transmitting from transfer printing main body 120 causes wearing and tearing to suppress layer 220 a generation defective.The gravure printing apparatus 100 that as a result, can be provided for the scraper 200 of gravure printing apparatus and can reduce printing defects (for example, flaw in printing, striped etc.) generation.
As stated, according to the scraper that is used for gravure printing apparatus of exemplary embodiment of the present invention, can prevent that layer from suppressing wearing and tearing inhibition layer and producing defective through chip.That is, the chip with the little hardness of hardness that specific wear suppresses layer prevents that layer is formed on wearing and tearing and suppresses on the layer, suppresses the contact between layer and the transfer printing main body to prevent to wear and tear, and the defective that suppresses layer that can suppress thus to wear and tear produces.
In addition, according to the method for the manufacturing scraper of exemplary embodiment of the present invention, prevent that through piling up chip layer from making a scraper, the defective that the wearing and tearing that can suppress scraper thus suppress layer produces.
In addition, according to the gravure printing apparatus of exemplary embodiment of the present invention, can prevent that the scraper of layer from reducing printing defects and producing through comprising chip.
Though combined exemplary embodiment to illustrate and described the present invention, be clear that to those skilled in the art, under the situation that does not break away from the spirit and scope of the present invention that are defined by the claims, can make amendment and change.

Claims (8)

1. scraper that is used for gravure printing apparatus, said scraper comprises:
Main body is made of metal;
Wearing and tearing suppress layer, are formed on the said main body, and comprise ceramic particle;
Chip prevents layer, being formed on wearing and tearing and suppressing on the layer, suppresses the chip in the layer to suppress wearing and tearing, and chip prevents that layer from being processed by the material with the little hardness of hardness that specific wear suppresses layer.
2. scraper according to claim 1, wherein, chip prevents that layer from being formed by nickel coating, and has the thickness of 3 μ m to 20 μ m.
3. scraper according to claim 1, wherein, it is the Ni-P base coating that comprises ceramic particle that wearing and tearing suppress layer.
4. scraper according to claim 1, wherein, wearing and tearing suppress layer and have the thickness of 5 μ m to 30 μ m and the hardness of 900Hv to 1100Hv.
5. a manufacturing is used for the method for the scraper of gravure printing apparatus, and said method comprises:
The wearing and tearing that will comprise ceramic particle suppress layer and are stacked on the main body of scraper;
To prevent that layer is stacked on wearing and tearing and suppresses on the layer by the chip that the material with the little hardness of hardness that specific wear suppresses layer is processed.
6. method according to claim 5 wherein, prevents layer through plating formation wearing and tearing inhibition layer and chip.
7. method according to claim 5, wherein, chip prevents that layer from being formed by nickel coating, and has the thickness of 3 μ m to 20 μ m.
8. gravure printing apparatus comprises:
Chamber, printing paste are stored in the said chamber;
The transfer printing main body, the bottom of said transfer printing main body is immersed in the printing paste that is contained in the said chamber, and the transfer printing main body comprises the cave, and said cave holds printing paste temporarily, printing paste is transferred to the substrate that transports;
Pressing element is set to relatively with the transfer printing main body, and the substrate that transports is pressed to the transfer printing main body;
Each described scraper according among the claim 1-4 is set to contact the transfer printing main body, is applied to the printing paste on the surface of transfer printing main body with removal.
CN201110314040XA 2010-10-22 2011-10-17 Doctor Blade For Gravure Printing Apparatus And Method For Manufacturing The Same And Gravure Printing Apparatus Pending CN102555422A (en)

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KR1020100103371A KR20120041945A (en) 2010-10-22 2010-10-22 Doctor blade for gravure printing apparatus and method for manufacturing the same and gravure printing apparatus

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103287078A (en) * 2013-05-29 2013-09-11 昆山欧莱特印刷机械工业有限公司 Printing ink scraper of silk screen printer
CN105346285A (en) * 2015-10-28 2016-02-24 重庆宏劲印务有限责任公司 Intaglio printing process for preventing sawtooth opening from being formed in image-text edge of printing material

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102199416B1 (en) 2020-10-20 2021-01-07 (주)올바른 Printer for label paper

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103287078A (en) * 2013-05-29 2013-09-11 昆山欧莱特印刷机械工业有限公司 Printing ink scraper of silk screen printer
CN105346285A (en) * 2015-10-28 2016-02-24 重庆宏劲印务有限责任公司 Intaglio printing process for preventing sawtooth opening from being formed in image-text edge of printing material

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KR20120041945A (en) 2012-05-03

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Application publication date: 20120711