CN102615930A - Manufacturing method for printing rotary screen - Google Patents

Manufacturing method for printing rotary screen Download PDF

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Publication number
CN102615930A
CN102615930A CN2012100850242A CN201210085024A CN102615930A CN 102615930 A CN102615930 A CN 102615930A CN 2012100850242 A CN2012100850242 A CN 2012100850242A CN 201210085024 A CN201210085024 A CN 201210085024A CN 102615930 A CN102615930 A CN 102615930A
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metal
cylinder
warp
alloy
metallic fibers
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CN102615930B (en
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孙杰
夏祥华
张兴伟
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Shenyang Ligong University
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Shenyang Ligong University
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Abstract

A manufacturing method for a rotary printing screen comprises the steps as follows: 1, metal microfilaments or metallized nonmetal fibers are wound around on a roll at intervals in the warp and weft directions to form a metal microfilament or nonmetal fiber rotary screen; on the circumferential surface of the roll, one or more filaments are wound to form a framework in the weft direction, another one or more filaments are wound to form a framework in the warp direction, and the sequences of weaving the frameworks in the warp and weft directions can be interchanged; the frameworks in the warp and weft directions cannot in interpenetration and form a non-weaved printing rotary screen; or the frameworks in the warp and weft directions incline in the weft direction and are sequentially intertwined to and fro so as to form a crossed mesh shape; 2, the metal microfilament rotary screen or the nonmetal fiber rotary screen is treated preliminarily; and 3, the electroplating or the chemical plating, the water washing, the mesh separating, the drying and the cutting are conducted as required. The frameworks have high tensile strength and good toughness, thereby avoiding easy breakage. The percentage of opening is high, and through the use of the nonmetal fibers, the cost can be lowered. The rotary screen has a large mesh size and high high permeability. The printing rotary screen shaped like double loudspeakers is plated once through the method while twice in the prior art, therefore, the method has the advantages that the process is saved.

Description

A kind of preparation method of print cylinder mould
Technical field
The invention belongs to the electroplating technology field, particularly a kind of preparation method of print cylinder mould.Specifically be to adopt non-braiding and non-impact style to prepare metal or nonmetal print cylinder mould.
Background technology
At present print cylinder mould adopts the electrotyping forming method more, behind electrotyping forming on the core, takes off from core and carries out the secondary plating and form cylinder and do not have the seam nickel screen.This net making method at first must be made core, and the method for making core usually has (1) extrusion, promptly uses steel core formpiston (former) mechanical presses method; (2) laser method, promptly laser dashes (melting) hole.Electrodeposited coating electroplating technology according to core copper surface can be divided into: chromium plating net making process (being Chinese law); Someone proposes a kind of printed nickel net mould of improvement, is coated with the copper layer at outer surface of matrix, and the pressure rolling of copper laminar surface has the site; Surface, site and the site copper layer between intermittence is coated with nickel dam; Nickel dam is coated with hard chromium layers [Zhu Zhonghua, printed nickel net improvement mould, patent announcement number: CN 201366834Y] outward; Nickel plating net making process (being foreign law) [Zhou Jiaxiang, printed nickel net technology and products innovation].The print cylinder mould of this two kinds of methods preparation of domestic employing mainly contains 60 orders [Sun Juncheng, Wei Fubin, Zhang Guangde, Zhang Peihai and Soviet Union are deep, 60 orders printing nickel screen, patent announcement number: CN 201442376U], [Sun Juncheng, Wei Fubin, Zhang Guangde, Zhang Peihai and Soviet Union are deep for 70 orders; 70 orders printings nickel screen, patent announcement number: CN 201442373U], [Sun Juncheng, Wei Fubin, Zhang Guangde, Zhang Peihai and Soviet Union are deep, 80 orders printing nickel screen for 80 orders; Patent announcement number: CN 201442374U], [Sun Juncheng, Wei Fubin, Zhang Guangde, Zhang Peihai and Soviet Union are deep for 105 orders; 105 orders printings nickel screen, patent announcement number: CN 201442375U] percent opening is lower, generally at [Zhou Jiaxiang below 30%; Printed nickel net technology and products innovation]; Owing to be the nickel screen of electrotyping forming, the whole tensile strength of cylinder is not very high, causes the life cycle of cylinder short.
Summary of the invention
The preparation method that the purpose of this invention is to provide a kind of print cylinder mould; The electrotyping forming secondary plating method that this method is used to prior art; Metal of making or nonmetal print cylinder mould are electroplated perhaps chemical plating; Make its longitude and latitude place coated to connect as one and form net, adopt this law to prepare that print cylinder mould only needs once to electroplate or chemical plating gets final product by electrodeposited coating or chemical plating coating.
The technical scheme that adopts is:
A kind of preparation method of print cylinder mould comprises the following steps:
The first step, with metal fibril or through metallized non-metallic fibers, the angle that tilts to set with the direction of warp and weft or the broadwise that coexists and the spacing of setting are wrapped in (netting) on the roller, form latticed metal fibril cylinder or non-metallic fibers cylinder.
Netting mode: on the circumferential surface of roller,, circumferentially with the setpoint distance uniform winding, form the skeleton of weft direction along circumferential surface with a rhizoid or multi-filament.Then on the circumferential surface and end face of roller,, with the setpoint distance uniform winding, form the skeleton of warp direction, (skeleton of weft direction is interior, and the skeleton of warp direction outside) at the axial direction of end face and roller with a rhizoid or multi-filament.The order of above-mentioned braiding longitude and latitude can exchange also that (skeleton of weft direction outside; The skeleton of warp direction is interior) broadwise that coexists canoe is for being wrapped in earlier the circumferential surface of roller with one or more inclination set angle, twines to twine according to the angle of setting in the other direction again behind the setpoint distance to go back to form crossing grid.The skeleton of the warp direction of above-mentioned netting mode and the skeleton of weft direction do not intert mutually, and are in contact with one another, and form the print cylinder mould of non-weaving manner.The relative position of the skeleton of direction of warp and weft is to not influence of the making step among the embodiment.
Second step, metal fibril cylinder or non-metallic fibers cylinder that a last step is processed carry out pre-treatment.
The 3rd step, to through the metal fibril cylinder or the non-metallic fibers cylinder of pre-treatment, electroplate as required respectively or chemical plating, reach setting thickness to coating.
The 4th step, the last step accomplish was electroplated or the metal fibril cylinder or the non-metallic fibers cylinder of chemical plating washing.
The 5th step, off-grid, finished product is dried and cut.
Off-grid can adopt the method for expanding with heat and contract with cold, and utilizes the coefficient of thermal expansion difference of metal fibril cylinder or non-metallic fibers cylinder and roller, and heating is cooling again, takes off thereby utilize through the generation gap of expanding with heat and contract with cold.For example can formerly place it in the hot water, and then be placed in the cold water and cool off, can finished product be taken off from roller.For the weaving method of direction of warp and weft, can be earlier the silk of the end face of roller be dismissed off-grid then.
Described non-metallic fibers is carried out metallized method, can adopt methods such as known magnetron sputtering method or electroless plating method.
Metal fibril that is adopted or non-metallic fibers are meant known various metal fibrils, alloy microfilament, macromolecular fibre or carbon fiber etc.The diameter of metal fibril and non-metallic fibers is all less than 1000 microns.
The pre-treating method that described second step adopts is: (1), 1. chemical method oil removing, washing or 2. physics method oil removing, (2), carry out can carrying out pickling, washing as required after (1) step.The oil removing of physics method is a known plasma sputtering method etc., as adopting the plasma sputtering method, does not then need after oil removing, to wash.Can adopt known activation method to carry out activation processing as required before the chemical plating.
Described roller can adopt the columniform roller of materials such as PVC, rubber.
Spacing between described metal fibril or the non-metallic fibers is confirmed according to cylinder order number, can calculate according to known computational methods and confirm.
The described coating that obtains, plated metal comprises the various single metals that can electroplate like zinc, nickel, copper, chromium, cadmium, tin, silver, gold or lead etc., or alloy is like acid bronze alloy, ashbury metal, nickel alloy or kirsite etc.
The described coating that obtains, the metal of chemical deposit comprises various single metals that can chemical plating like nickel, copper, silver, tin, iron or chromium etc., or alloy is like nickel-phosphorus alloy, ni-b alloy or leypewter etc.
Carry out pre-treatment, plating and chemical plating and can select this area electroplate liquid formulation, process conditions and equipment commonly used for use according to required coated metal that obtains and technology.Netting can adopt equipment known in the art to carry out.As adopt distilled water when disposing plating bath and pre-treatment, then can reduce the influence of impurity.
This method makes the direction of warp and weft of print cylinder mould lean on electrodeposited coating or chemical plating coating, and diffusion layer connects at the contact place.
Its advantage is:
Adopt metal fibril or the metallized non-metallic fibers skeleton as print cylinder mould, tensile strength is high, and good toughness can bear higher squeegee pressure, is difficult for taking place suspension during printing.The cylinder percent opening is high, only need once to plate to get final product, and the non-metallic fibers system of employing net is to reduce the cost of system net.The present technique scheme can be made the cylinder of high order number, high permeability.Use technology of the present invention and can use cylinder through the printing that once is coated with the double horn shape, promptly the axial cross section of mesh is the double horn shape, and makes such double horn shape print cylinder mould now, needs twice processing, saves operation so this method is compared prior art.
Description of drawings
Fig. 1 is first kind of weaving method sketch map of print cylinder mould of the present invention.
Fig. 2 is second kind of weaving method sketch map of print cylinder mould of the present invention.
Fig. 3 is the third weaving method sketch map of print cylinder mould of the present invention.
Fig. 4 is the partial enlarged drawing of warp parallel of first kind of weaving method of print cylinder mould of the present invention.
Fig. 5 is that the A-A of Fig. 4 is to view.
Fig. 6 is that the B-B of Fig. 4 is to view.
The specific embodiment
Embodiment 1
Prepare 60 purpose cylinders, method is following:
The fine stainless steel wire that with diameter is 30 microns is wrapped on the PVC cylinder with direction of warp and weft according to 390 microns at interval, forms square net; After electrochemical deoiling, heat, cold wash, put into coating bath and carry out electronickelling; When reaching 60 microns, thickness of coating takes out, washing, and off-grid gets final product; The cylinder percent opening of making like this is 40.7%, much larger than 60 purposes 12~14% of present prior art preparation.
1. electrochemical deoiling: tank liquor composition and condition of work are following:
Figure BDA0000147233590000041
2. heat, cold wash: with hot water (40-50 ℃) flushing, remaining degreasing fluid is arranged earlier, use cold water (room temperature) flushing afterwards to prevent surface mesh.
3. plating solution formula and process conditions:
Figure BDA0000147233590000042
This prescription fine stainless steel wire cylinder needs the charged groove of going into, and adopts 3~4A/dm earlier 2Dash current, the time is 1~3min, reduces to above-mentioned normal value 1A/dm then 2
4. washing
5. off-grid, oven dry, cutting get final product.
Embodiment 2
Prepare 165 purpose cylinders, method is following:
With the copper alloy microfilament (brass alloys microfilament) of 30 microns of diameters according at interval 123 microns be wrapped on the PVC cylinder with the mode of longitude and latitude respectively, form square net, electrochemical deoiling is after after the warm, cold wash; Carry out pickling again and remove the oxide-film that copper alloy surface is produced, put into coating bath and carry out electronickelling, take out when coating reaches 22 microns; Washing; Off-grid gets final product, and the cylinder percent opening is 27%, moves 19% of hairnet 165ED greater than prior art.
1. electrochemical deoiling: tank liquor composition and condition of work are following:
Figure BDA0000147233590000051
2. pickling prescription and condition of work:
Figure BDA0000147233590000052
3. heat, cold wash: with instance 1.
4. plating solution formula and process conditions:
Figure BDA0000147233590000053
Figure BDA0000147233590000061
5. washing
6. off-grid, oven dry, cutting get final product.
Embodiment 3
Prepare 60 order cylinders, concrete grammar is following:
With diameter is after 30 microns nylon yarn adopts magnetron sputtering method to metallize, according at interval 390 microns be wrapped on the PVC cylinder with the mode of longitude and latitude respectively, form square net; After electrochemical deoiling, heat, cold wash, put into coating bath and carry out electronickelling; When reaching 60 microns, thickness of coating takes out, washing, and off-grid gets final product; The cylinder percent opening of making like this is 40.7%, much larger than 60 purposes 12~14% of present prior art preparation.
1. electrochemical deoiling: with instance 1.
2. heat, cold wash: with instance 1.
3. electroplating formula and technology: with instance 1.
4. washing
5. off-grid, oven dry, cutting get final product.
Embodiment 4
Prepare 80 order cylinders, method is following:
With diameter be 35 microns copper alloy microfilament (brass alloys microfilament) according at interval 282 microns be wrapped on the PVC cylinder with the mode of longitude and latitude respectively; Form square net; After electrochemical deoiling, heat, cold wash, put into coating bath and carry out chemical plating Mi-P alloy, take out when thickness of coating reaches 40 microns, washing; Off-grid gets final product, and the cylinder percent opening of making like this is 42.5%.
1. electrochemical deoiling: with instance 1.
2. heat, cold wash: with instance 1.
3. chemical plating prescription and technology:
Figure BDA0000147233590000062
Figure BDA0000147233590000071
3-1. bring out 2~5s with clean iron wire or direct current (less than 35V) during the plating of copper alloy chemistry, treat to take out when the silk screen surface produces great amount of bubbles iron wire or outage.
3-2. the configuration plating bath adopts distilled water, to reduce the influence of impurity.The tank liquor useful load is calculated according to every liter of solution plating 1~2dm2 area.
3-3. in the plating process, can use clean compressed air to stir plating bath.
4. washing
5. off-grid, oven dry, cutting get final product.

Claims (6)

1. the preparation method of a print cylinder mould is characterized in that comprising the following steps:
The first step, with metal fibril or through metallized non-metallic fibers, be wrapped on the roller with direction of warp and weft or by the spacing of broadwise inclination certain angle and setting respectively, form latticed metal fibril cylinder or non-metallic fibers cylinder;
The skeleton of warp direction and the skeleton of weft direction do not intert mutually, and broadwise tilts to twine also not to be interted mutually, and is in contact with one another, and forms the print cylinder mould of non-weaving manner;
Second step, metal fibril cylinder or non-metallic fibers cylinder that a last step is processed carry out pre-treatment;
The 3rd step, to through the metal fibril cylinder or the non-metallic fibers cylinder of pre-treatment, electroplate as required respectively or chemical plating, reach setting thickness to coating;
The 4th step, the last step accomplish was electroplated or the metal fibril cylinder or the non-metallic fibers cylinder of chemical plating washing;
The 5th step, off-grid, finished product is dried and cut.
2. the preparation method of a kind of print cylinder mould according to claim 1, it is characterized in that: metal fibril that is adopted or non-metallic fibers are meant various metal fibrils, alloy microfilament, macromolecular fibre or carbon fiber.The diameter of metal fibril and non-metallic fibers is all less than 1000 microns.
3. the preparation method of a kind of print cylinder mould according to claim 1 and 2 is characterized in that: off-grid adopts the method for expanding with heat and contract with cold.
4. the preparation method of a kind of print cylinder mould according to claim 3; It is characterized in that: the pre-treating method that described second step adopts is: (1), 1. chemical method oil removing, washing or 2. physics method oil removing; (2), carry out to carry out pickling, washing as required after (1) step; The oil removing of physics method is the plasma sputtering method, and does not need after oil removing, to wash.
5. the preparation method of a kind of print cylinder mould according to claim 4, it is characterized in that: described roller can adopt the columniform roller of PVC, elastomeric material.
6. the preparation method of a kind of print cylinder mould according to claim 5; It is characterized in that: the described coating that obtains; Plated metal comprises the various single metals that can electroplate like zinc, nickel, copper, chromium, cadmium, tin, silver, gold or plumbous, or alloy is like acid bronze alloy, ashbury metal, nickel alloy or kirsite;
The described coating that obtains, the metal of chemical deposit comprises various single metals that can chemical plating like nickel, copper, silver, tin, iron or chromium, or alloy is like nickel-phosphorus alloy, ni-b alloy or leypewter.
CN201210085024.2A 2012-03-27 2012-03-27 Manufacturing method for printing rotary screen Expired - Fee Related CN102615930B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115976731A (en) * 2023-03-21 2023-04-18 海底鹰深海科技股份有限公司 Optical fiber net and weaving method thereof
CN116163075A (en) * 2023-01-09 2023-05-26 常州钇尚机械设备有限公司 Manufacturing process and electroforming device for spun-laced non-woven jacquard mesh

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Publication number Priority date Publication date Assignee Title
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CN101559662A (en) * 2009-05-21 2009-10-21 上海希尔彩印制版有限公司 Manufacturing method and product for nickel screen die roll for fabric printing

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Publication number Priority date Publication date Assignee Title
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CN101318401A (en) * 2007-06-08 2008-12-10 富葵精密组件(深圳)有限公司 Screen printing plate and manufacturing method thereof
CN101284438A (en) * 2007-12-12 2008-10-15 山东同大镍网有限公司 High mesh size print cylinder mould production method
CN101559662A (en) * 2009-05-21 2009-10-21 上海希尔彩印制版有限公司 Manufacturing method and product for nickel screen die roll for fabric printing

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116163075A (en) * 2023-01-09 2023-05-26 常州钇尚机械设备有限公司 Manufacturing process and electroforming device for spun-laced non-woven jacquard mesh
CN115976731A (en) * 2023-03-21 2023-04-18 海底鹰深海科技股份有限公司 Optical fiber net and weaving method thereof

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