CN110139482A - A kind of processing method that removal roller coating PCM part paint film realizes part conduction - Google Patents
A kind of processing method that removal roller coating PCM part paint film realizes part conduction Download PDFInfo
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- CN110139482A CN110139482A CN201910234748.0A CN201910234748A CN110139482A CN 110139482 A CN110139482 A CN 110139482A CN 201910234748 A CN201910234748 A CN 201910234748A CN 110139482 A CN110139482 A CN 110139482A
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- roller group
- substrate
- roller
- scrub
- scrubs
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0017—Etching of the substrate by chemical or physical means
- H05K3/0026—Etching of the substrate by chemical or physical means by laser ablation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/10—Using electric, magnetic and electromagnetic fields; Using laser light
- H05K2203/107—Using laser light
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of removal roller coating PCM part paint films to realize the conductive processing method in part, it mainly comprises the steps that step 1: being scrubbed aqueous slkali scrub-clear water scrub-aqueous slkali scrub-clear water is carried out after the substrate coiled strip uncoiling of winding, it is logical after having scrubbed to carry out surface passivation；Step 2: premenstrual pretreated substrate enters application chamber primer coating and conductive back paint, dries subsequently into baking oven, solidifies, and substrate applies application chamber by entering face after water-cooled cooling, and face applies end metacoxal plate and enters baking oven baking-curing；Step 3: the substrate winding after paint layer is coated with cuts into the scale material of corresponding size；Step 4: it specifies region to be scanned in substrate by laser mode after the completion of cutting, according to coating layer thickness and coating surface adjusting performance power, paint layer is removed by laser, pastes protective film.
Description
Technical field
The invention belongs to TV manufacturing technology fields, are specifically related to a kind of removal roller coating PCM part paint film realization part
Conductive processing method.
Background technique
TV back substrate conducting is completed by liner plate, and then liner plate and backboard are fixed.TV backboard needs
The two merging is more advantageous to production, this requires TV backboards must front surface region for modularized production by two parts composition
Electrically conductive, the plate that dusts now realizes that technique is formerly to form, and then manually pastes adhesive tape in corresponding region, fine degree is not
Height, and inconvenient benefit.Another roller coating PCM plate is to scrape off a part on applicator roll in roller coating technology to reveal its substrate layer
Surface is realized conductive out, but can only realize that vertical strip region is conductive, cannot achieve local conduction.
Current used TV backboard dusts after generally using zinc-plated molding substrate, and inner conductive circuit is in
Liner plate realizes that TV backboard of new generation is two-in-one by interior lining panel and backboard progress, realizes the backboard of appearance conductive.Roller coating
For PCM plate relative to the plate that dusts, appearance is richer, and more environmentally friendly, but coating surface cannot achieve accurate part conduction, the present invention
A kind of processing method that can locally remove coating on the surface roller coating PCM while not destroy substrate layer realization conduction is provided.
Summary of the invention
In view of the above problems, the present invention provides a kind of removal roller coating PCM part paint films to realize part conduction
Processing method.
The technical scheme is that a kind of removal roller coating PCM part paint film realizes the conductive processing method in part, mainly
The following steps are included:
Step 1: substrate pretreatment
Substrate is subjected to degreasing pretreatment, chemical treatment layer is then formed in substrate surface by passivation procedure；
Step 2: paint layer coating
Premenstrual pretreated substrate enters application chamber primer coating and conductive back paint, dries subsequently into baking oven, solidification,
Substrate applies application chamber by entering face after water-cooled cooling, and face applies end metacoxal plate and enters baking oven baking-curing, according to face
It applies situation selection and carries out second of face painting, further increase the corrosion resistance of substrate；
Step 3: winding is cut
Substrate winding after paint layer is coated with, the scale material of corresponding size is cut into according to the practical cutter of material requirements；
Step 4: paint removal pad pasting
Region is specified to be scanned in substrate by laser mode after the completion of cutting, according to coating layer thickness and coating surface
Power can be adjusted, is removed paint layer by laser, protective film is pasted according to coating surface performance.
A kind of removal roller coating PCM part paint film realizes the substrate pretreatment unit of part conduction, the pretreatment unit packet
It includes main body, uncoiler, stone roller and send roller, the first degreasing plant, the second degreasing plant, the first idler wheel, third degreasing plant, the second rolling
Wheel, the 4th degreasing plant, third idler wheel, cleaning device, the 4th idler wheel, passivating device and the device that degreases, the uncoiler are living
Dynamic to be mounted on the left side outer wall of main body, the stone roller send roller that upper left side is arranged in main body, and the first degreasing plant setting exists
It grinds and send on main body left side wall below roller, first is equidistantly equipped on the first degreasing plant right side wall and scrubs roller group, described second
Degreasing plant is arranged on the main body inner top surface for grinding and sending on the right side of roller, and corresponding first scrubs roller group on the left side wall of the second degreasing plant
Second equipped with identical quantity scrubs roller group, is equidistantly equipped with third on the right side wall of the second degreasing plant and scrubs roller group, described
First idler wheel is movably arranged on the lower end of the second degreasing plant, and the third degreasing plant is fixed at the second degreasing plant right side
Among the main body front-rear side walls of side, third is corresponded on the left side wall of third degreasing plant and scrubs the roller group is equipped with identical quantity the 4th
Roller group is scrubbed, the 5th is equidistantly equipped on the right side wall of third degreasing plant and scrubs roller group, second idler wheel is movably arranged on
The upper end of third degreasing plant, the 4th degreasing plant are arranged on the main body inner top surface on the right side of third degreasing plant, and the 4th
The corresponding 5th scrubs roller group and the 6th scrubs roller group, the right side of the 4th degreasing plant equipped with identical quantity on the left side wall of degreasing plant
It is equidistantly equipped with the 7th on side wall and scrubs roller group, the third idler wheel is movably arranged on the lower end of the 4th degreasing plant, described clear
Cleaning device is arranged among the main body front-rear side walls being fixed on the right side of the 4th degreasing plant, right on the left side wall of cleaning device
It answers the 7th to scrub roller group and the 8th scrubs roller group equipped with identical quantity, the 4th idler wheel is movably arranged on the upper of cleaning device
End, the passivating device are arranged between the right side wall of cleaning device and main body left side wall, and the device that degreases is arranged blunt
Makeup is set between the cleaning device and main body left side wall of lower section, which can be handled the pretreatment integration of substrate,
It is convenient and efficient, high treating effect.
Further, described first scrub roller group, second scrub roller group, third scrubs roller group, the 4th scrubs roller group, the 5th
Roller group is scrubbed, the 6th roller group is scrubbed, the 7th scrubs that roller group, the 8th to scrub roller group include activity roller frame, scrubs roller and bristle, institute
It states and scrubs roller and be movably connected in activity roller frame, the bristle is evenly distributed on the surface for scrubbing roller, by the rolling for scrubbing roller
Bristle is driven to carry out repeating scrub to substrate surface, cleaning effect is good.
Further, it is evenly distributed with spray-hole between the bristle gap for scrubbing roller surface, spray-hole can spray
Aqueous slkali or clear water reinforce cleaning effect.
Further, the upper surface of the main body is equipped with cleaning agent tank and washwater tank, and the cleaning agent water pot leads to respectively
Cross internal pipeline with first scrub roller group, second scrub roller group, the 5th scrub roller group, the 6th spray-hole for scrubbing roller group is connect,
The washwater tank passes through internal pipeline and third respectively and scrubs roller group, the 4th scrub roller group, the 7th scrub roller group, the 8th scrub
The spray-hole of roller group connects, and provides solution for aqueous slkali scrub and clear water flushing.
Further, the third scrubs roller group, the 4th scrubs roller group, the 7th scrub roller group, the 8th scrub the upper of roller group
Side is equipped with Wiper blade, and Wiper blade is arranged on the top that substrate rises, can will wash but be sticked to the greasy dirt of substrate surface
It is scraped with aqueous slkali, avoids polluting device or corroding.
Further, the passivating device includes transfer roller, sprinkler head, passivator tank, the transfer roller altogether there are two, point
Not She Zhi inside the passivating device at left and right sides of on wall, the sprinkler head be uniformly arranged on passivating device inner top surface and interior bottom
The top of passivating device is arranged in face, the passivator tank, and passivator tank is connect with sprinkler head respectively, and on main body right side wall
It is equipped with dodge gate at corresponding passivator tank position, processing is passivated to the substrate after cleaning, substrate surface is avoided to aoxidize.
Further, the device that degreases includes suction pump, dust collecter, water-oil separationg film group, negative pressure pump, the suction
Pump is arranged in the inside of the device that degreases, and the dust collecter is arranged in the lower surface for the device that degreases, and the upper end of air exhaust head with
The input terminal of suction pump connects, and degreasing in device on the right side of suction pump, water-oil separationg film is arranged in the water-oil separationg film group
Group is closed by pipeline and the output end of suction pump and is connected, and the negative pressure pump is arranged on the right side wall for the device that degreases, is used for
Aqueous solution after separation is sent to reusing in washwater tank, the greasy dirt water body of bottom part body is sucked and carries out grease point
It send from, the clear water after separation to reusing in washwater tank, energy conservation and environmental protection；
Preferably, a kind of removal roller coating PCM part paint film realizes the conductive processing method in part, mainly includes following step
It is rapid:
Step 1: substrate pretreatment
The substrate coiled strip of winding is fixedly attached on the uncoiler of pretreatment unit main body, by substrate can unreel one end
It send to stone roller to send and be ground in roller to smooth, then scrub roller group by first and scrub roller group with second first time alkali soluble is carried out to substrate two sides
Liquid scrub removes the oil layer of substrate surface, and the substrate after scrub is sent by the first idler wheel to be scrubbed roller group to third and scrub with the 4th
The scrub of first time clear water is carried out between roller group, and the oil layer washed off is washed with aqueous slkali, it then will by the second idler wheel
Substrate, which is sent, to be scrubbed roller group and the 6th to the 5th and scrubs and carry out second of aqueous slkali scrub between roller group, and substrate surface is further removed
Then substrate is sent by third idler wheel and scrubs roller group and the 8th to the 7th and scrub and carry out second between roller group by remaining oil layer
Secondary clear water scrub, substrate is sent into passivating device and carries out surface passivation, after having scrubbed by the 4th idler wheel in substrate surface shape
At chemical treatment layer；
Step 2: paint layer coating
Premenstrual pretreated substrate enters application chamber primer coating and conductive back paint, dries subsequently into baking oven, solidification,
Substrate applies application chamber by entering face after water-cooled cooling, and face applies end metacoxal plate and enters baking oven baking-curing, according to face
It applies situation selection and carries out second of face painting；
Step 3: winding is cut
Substrate winding after paint layer is coated with, the scale material of corresponding size is cut into according to the practical cutter of material requirements；
Step 4: paint removal pad pasting
Region is specified to be scanned in substrate by laser mode after the completion of cutting, according to coating layer thickness and coating surface
Power can be adjusted, is removed paint layer by laser, protective film is pasted according to coating surface performance.
Further, the substrate be stainless steel plate, it is electrolytic galvanized sheet, heat zinc coating plate, aluminium plating zinc plate, any in tin plate
It is a kind of.
The beneficial effects of the present invention are:
(1) in order to realize conducting function, paint layer from surface is removed using the mode of laser, and substrate layer is not destroyed, salt fog
Can achieve under experiment 72 hours it is unchanged；
(2) removal paint layer arbitrary shape can be operated conveniently by the realization of the drawing softwares such as CAD or UG at an arbitrary position,
Conducive to production.
(3) present invention can realize conductive, production convenience in the arbitrary region of roller coating PCM, and can guarantee the one of production
Cause property and measure of precision；
(4) substrate pretreatment unit is arranged according to substrate pretreatment condition, integrated pretreatment, time saving province is carried out to substrate
Power, and high treating effect.
Detailed description of the invention
Fig. 1 is board structure figure of the invention；
Fig. 2 is substrate pretreatment unit overall structure diagram of the invention；
Fig. 3 is of the invention to scrub roller surface schematic diagram.
Wherein, 1- main body, 2- uncoiler, that 3- stone roller send roller, the first degreasing plant of 4-, 41- first to scrub roller group, 5- second is de-
Rouge device, 51- second scrubs roller group, 52- third scrubs roller group, the first idler wheel of 6-, 7- third degreasing plant, 71- the 4th are scrubbed
Roller group, 72- the 5th scrub that roller group, the second idler wheel of 8-, the 4th degreasing plant of 9-, 91- the 6th scrubs roller group, 92- the 7th scrubs roller
Group, 10- third idler wheel, 11- cleaning device, 111- the 8th scrub roller group, the 4th idler wheel of 12-, 13- passivating device, 131- transmission
Roller, 132- sprinkler head, 133- passivator tank, 134- dodge gate, 14- degrease device, 141- sucking pump, 142- dust collecter, 143-
Water-oil separationg film group, 144- negative pressure pump, 15- Wiper blade, 16- cleaning agent tank, 17- washwater tank, 18- activity roller frame, 181- are washed
Brush roll, 182- bristle, 183- spray-hole.
Specific embodiment
For convenient for the understanding to technical solution of the present invention, with reference to the accompanying drawing 1-2 and specific embodiment to the present invention do into
The explanation of one step, embodiment do not constitute the restriction to invention protection scope.
A kind of processing method that removal roller coating PCM part paint film realizes part conduction, mainly comprises the steps that
Step 1: substrate pretreatment
The substrate coiled strip of winding is fixedly attached on the uncoiler 2 of pretreatment unit main body 1, by substrate can unreel one
End, which is sent to stone roller to send, grinds in roller 3 to smooth, then scrubs roller group 41 by first and scrubs roller group 51 to substrate two sides progress the with second
Aqueous slkali scrub removes the oil layer of substrate surface, and the substrate after scrub, which is sent by the first idler wheel 6 to third, scrubs roller group
52 and the 4th scrub progress first time clear water scrub between roller group 71, the oil layer washed off are washed with aqueous slkali, then
Substrate sent by the second idler wheel 8 and scrubs roller group 72 and the 6th to the 5th and scrubs and carry out second of aqueous slkali brush between roller group 91
It washes, further removes the remaining oil layer of substrate surface, then substrate is sent to the 7th by third idler wheel 10 and scrubs roller group 92
It is scrubbed with the 8th and carries out second of clear water scrub between roller group 111, passed through after the scrub of first time clear water and second of clear water scrub
Wiper blade 15 scrapes substrate surface liquid, send into passivating device 13 substrate to carry out table by the 4th idler wheel 12 after having scrubbed
Face passivation forms chemical treatment layer in substrate surface；
Step 2: paint layer coating
Premenstrual pretreated substrate enters application chamber primer coating and conductive back paint, dries subsequently into baking oven, solidification,
Substrate applies application chamber by entering face after water-cooled cooling, and face applies end metacoxal plate and enters baking oven baking-curing, according to face
It applies situation and carries out second of face painting；
Step 3: winding is cut
Substrate winding after paint layer is coated with, the scale material of corresponding size is cut into according to the practical cutter of material requirements；
Step 4: paint removal pad pasting
Region is specified to be scanned in substrate by laser mode after the completion of cutting, according to coating layer thickness and coating surface
Power can be adjusted, is removed paint layer by laser, protective film is pasted according to coating surface performance, obtained board structure figure is as schemed
Shown in 1.
As shown in Fig. 2, a kind of removal roller coating PCM part paint film realizes the conductive substrate pretreatment unit in part, pretreatment
Device includes main body 1, uncoiler 2, grinds and send roller 3, the first degreasing plant 4, the second degreasing plant 5, the first idler wheel 6, third degreasing
It device 7, the second idler wheel 8, the 4th degreasing plant 9, third idler wheel 10, cleaning device 11, the 4th idler wheel 12, passivating device 13 and removes
Greasy dirt device 14, uncoiler 2 are movably arranged on the left side outer wall of main body 1, are ground and are sent the setting of roller 3 upper left side in main body 1, and first
Degreasing plant 4 is arranged on 1 left side wall of main body for grinding and sending below roller 3, is equidistantly equipped with first on 4 right side wall of the first degreasing plant
Roller group 41 is scrubbed, the second degreasing plant 5, which is arranged in, to be ground on 1 inner top surface of main body for sending 3 right side of roller, the left side of the second degreasing plant 5
Corresponding first scrubs roller group 41 and second scrubs roller group 51 equipped with identical quantity on wall, on the right side wall of the second degreasing plant 5 etc.
Roller group 52 is scrubbed away from third is equipped with, the first idler wheel 6 is movably arranged on the lower end of the second degreasing plant 5, and third degreasing plant 7 is solid
It is arranged among 1 front-rear side walls of main body on 5 right side of the second degreasing plant calmly, corresponds to third on the left side wall of third degreasing plant 7
It scrubs roller group 52 and the 4th scrubs roller group 71 equipped with identical quantity, be equidistantly equipped with the 5th on the right side wall of third degreasing plant 7
Roller group 72 is scrubbed, the second idler wheel 8 is movably arranged on the upper end of third degreasing plant 7, and the 4th degreasing plant 9 is arranged in third degreasing
On 1 inner top surface of main body on 7 right side of device, the corresponding 5th scrubs roller group 72 equipped with identical number on the left side wall of the 4th degreasing plant 9
The 6th of amount scrubs roller group 91, and the 7th is equidistantly equipped on the right side wall of the 4th degreasing plant 9 and scrubs roller group 92, third idler wheel 10
It is movably arranged on the lower end of the 4th degreasing plant 9, the master for being fixed at 9 right side of the 4th degreasing plant is arranged in cleaning device 11
Among 1 front-rear side walls of body, the corresponding 7th scrubs the 8th the scrubbing equipped with identical quantity of roller group 92 on the left side wall of cleaning device 11
Roller group 111, the 4th idler wheel 12 are movably arranged on the upper end of cleaning device 11, and the right side of cleaning device 11 is arranged in passivating device 13
Between 1 left side wall of wall and main body, passivating device 13 includes transfer roller 131, sprinkler head 132, passivator tank 133, and transfer roller 131 is total
There are two, it is separately positioned on 13 inside left and right sides wall of passivating device, sprinkler head 132 is uniformly arranged on the interior of passivating device 13
The top of passivating device 13 is arranged in top surface and inner bottom surface, passivator tank 133, and passivator tank 133 connects with sprinkler head 132 respectively
It connects, and is corresponded on 1 right side wall of main body and be equipped with dodge gate 134 at 133 position of passivator tank, the device 14 that degreases setting is being passivated
Between 1 left side wall of cleaning device 11 and main body of the lower section of device 13, the device 14 that degreases include suction pump 141, dust collecter 142,
The inside for the device 14 that degreases is arranged in water-oil separationg film group 143, negative pressure pump 144, suction pump 141, and the setting of dust collecter 142 is removing
The lower surface of greasy dirt device 14, and the upper end of air exhaust head 142 is connect with the input terminal of suction pump 141, water-oil separationg film group 143 is set
Degreasing in device 14 on 141 right side of suction pump is set, water-oil separationg film group 143 passes through the output end of pipeline and suction pump 141
Closing connection, negative pressure pump 144 are arranged on the right side wall for the device 14 that degreases, for sending the aqueous solution after separation to ejected wash water
Recycling in tank 17；
First scrub roller group 41, second scrub roller group 51, third scrubs roller group the 52, the 4th and scrubs roller group the 71, the 5th and scrubs
It includes activity roller frame 18 that roller group the 72, the 6th, which scrubs roller group the 91, the 7th and scrubs roller group the 92, the 8th to scrub roller group 111, scrubs roller
181 and bristle 182, it scrubs roller 181 and is movably connected in activity roller frame 18；
As shown in figure 3, bristle 182 is evenly distributed on the surface for scrubbing roller 181,182 gap of bristle on 181 surface of roller is scrubbed
Between be evenly distributed with spray-hole 183；
The upper surface of main body 1 is equipped with cleaning agent tank 16 and washwater tank 17, and cleaning agent water pot 16 passes through internal pipeline respectively
Roller group 41 is scrubbed with first, second scrubs that roller group the 51, the 5th scrubs roller group 72, the 6th spray-hole 183 for scrubbing roller group 91 is connect,
Washwater tank 17, which scrubs roller group the 52, the 4th by internal pipeline and third respectively and scrubs roller group the 71, the 7th, scrubs roller group the 92, the 8th
The spray-hole 183 for scrubbing roller group 111 connects；
Third scrub roller group the 52, the 4th scrub roller group the 71, the 7th scrub roller group the 92, the 8th scrub roller group 111 top it is equal
Equipped with Wiper blade 15.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (9)
1. a kind of removal roller coating PCM part paint film realizes the conductive processing method in part, which is characterized in that mainly include following step
It is rapid:
Step 1: substrate pretreatment
Substrate is subjected to degreasing pretreatment, chemical treatment layer is then formed in substrate surface by passivation procedure；
Step 2: paint layer coating
Premenstrual pretreated substrate enters application chamber primer coating and conductive back paint, dries subsequently into baking oven, solidification, substrate
Application chamber is applied by entering face after water-cooled cooling, face applies end metacoxal plate and enters baking oven baking-curing, applies feelings according to face
Condition selection carries out second of face painting；
Step 3: winding is cut
Substrate winding after paint layer is coated with, the scale material of corresponding size is cut into according to material requirements using cutter；
Step 4: paint removal pad pasting
Region is specified to be scanned in substrate by laser mode after the completion of cutting, according to coating layer thickness and coating surface performance tune
Whole power, is removed paint layer by laser, pastes protective film according to coating surface performance.
2. a kind of removal roller coating PCM part paint film realizes the conductive substrate pretreatment unit in part, which is characterized in that the pre- place
Reason device includes main body (1), uncoiler (2), grinds and send roller (3), the first degreasing plant (4), the second degreasing plant (5), the first rolling
Take turns (6), third degreasing plant (7), the second idler wheel (8), the 4th degreasing plant (9), third idler wheel (10), cleaning device (11),
4th idler wheel (12), passivating device (13) and the device that degreases (14), the uncoiler (2) are movably arranged on a left side for main body (1)
On the outer wall of side, the stone roller send roller (3) setting on main body (1) interior upper left side, and first degreasing plant (4), which is arranged, send roller in stone roller
(3) on main body (1) left side wall below, first is equidistantly equipped on the first degreasing plant (4) right side wall and scrubs roller group (41), institute
It states the second degreasing plant (5) to be arranged on main body (1) inner top surface that stone roller send on the right side of roller (3), the left side wall of the second degreasing plant (5)
Upper correspondence first scrubs roller group (41) second scrubbing roller group (51) equipped with identical quantity, the right side wall of the second degreasing plant (5)
On third be equidistantly installed scrub roller group (52), first idler wheel (6) is movably arranged on the lower end of the second degreasing plant (5),
The third degreasing plant (7) is fixed among main body (1) front-rear side walls on the right side of the second degreasing plant (5), and third is de-
Third is corresponded on the left side wall of rouge device (7) and scrubs roller group (52) the 4th scrubbing roller group (71) equipped with identical quantity, and third is de-
It is equidistantly equipped with the 5th on the right side wall of rouge device (7) to scrub roller group (72), it is de- that second idler wheel (8) is movably arranged on third
The upper end of rouge device (7), main body (1) inner top surface that the 4th degreasing plant (9) is arranged on the right side of third degreasing plant (7)
On, the corresponding 5th scrubs roller group (72) and the 6th scrubs roller group equipped with identical quantity on the left side wall of the 4th degreasing plant (9)
(91), the 7th is equidistantly equipped on the right side wall of the 4th degreasing plant (9) scrub roller group (92), third idler wheel (10) activity
It is mounted on the lower end of the 4th degreasing plant (9), cleaning device (11) setting is being fixed at the 4th degreasing plant (9) right side
Among main body (1) front-rear side walls of side, the corresponding 7th scrubs roller group (92) equipped with identical number on the left side wall of cleaning device (11)
The 8th of amount scrubs roller group (111), and the 4th idler wheel (12) is movably arranged on the upper end of cleaning device (11), the passivation dress
It sets (13) to be arranged between the right side wall and main body (1) left side wall of cleaning device (11), the device that degreases (14) setting exists
Between cleaning device (11) below passivating device (13) and main body (1) left side wall.
3. a kind of substrate pretreatment unit according to claim 2, which is characterized in that described first scrub roller group (41),
Second scrubs roller group (51), third scrubs roller group (52), the 4th scrubs roller group (71), the 5th scrub roller group (72), the 6th scrub
Roller group (91), the 7th scrub roller group (92), the 8th scrub roller group (111) include activity roller frame (18), scrub roller (181) and brush
Hair (182), the roller (181) of scrubbing are movably connected on activity roller frame (18), and the bristle (182), which is evenly distributed on, scrubs roller
(181) surface.
4. a kind of substrate pretreatment unit according to claim 3, which is characterized in that described roller (181) surface of scrubbing
Spray-hole (183) are evenly distributed between bristle (182) gap.
5. a kind of substrate pretreatment unit according to claim 2, which is characterized in that the upper surface of the main body (1) is set
There are cleaning agent tank (16) and washwater tank (17), the cleaning agent water pot (16) scrubs roller group by internal pipeline and first respectively
(41), second scrub roller group (51), the 5th scrub roller group (72), the 6th scrub roller group (91) spray-hole (183) connection, it is described
Washwater tank (17) scrubs roller group (52) by internal pipeline and third respectively, the 4th scrubs roller group (71), the 7th scrubs roller group
(92), the 8th spray-hole (183) for scrubbing roller group (111) connects.
6. a kind of substrate pretreatment unit according to claim 2, which is characterized in that the third scrub roller group (52),
4th scrubs roller group (71), the 7th scrubs roller group (92), the 8th scrubs and be equipped with Wiper blade (15) above roller group (111).
7. a kind of substrate pretreatment unit according to claim 2, which is characterized in that the passivating device (13) includes passing
Send roller (131), sprinkler head (132), passivator tank (133), the transfer roller (131) altogether there are two, be separately positioned on passivation dress
It sets on (13) internal left and right sides wall, the sprinkler head (132) is uniformly arranged on the inner top surface and inner bottom surface of passivating device (13),
The passivator tank (133) is arranged in the top of passivating device (13), and passivator tank (133) is connect with sprinkler head (132) respectively,
And it is corresponded on main body (1) right side wall and is equipped with dodge gate (134) at passivator tank (133) position.
8. a kind of removal roller coating PCM part paint film realizes the conductive processing method in part, which is characterized in that mainly include following step
It is rapid:
Step 1: substrate pretreatment
The substrate coiled strip of winding is fixedly attached on the uncoiler (2) of pretreatment unit main body (1), by substrate can unreel one
End, which is sent to stone roller to send, grinds in roller (3) to smooth, then scrubs roller group (41) and second by first and scrubs roller group (51) to substrate two sides
The oil layer that the scrub of first time aqueous slkali removes substrate surface is carried out, the substrate after scrub is sent by the first idler wheel (6) to third
It scrubs roller group (52) and the 4th and scrubs progress first time clear water scrub between roller group (71), by the oil layer washed off and aqueous slkali
Wash, then by the second idler wheel (8) by substrate send to the 5th scrub roller group (72) and the 6th scrub between roller group (91) into
Second of aqueous slkali scrub of row, further removes the remaining oil layer of substrate surface, then passes through third idler wheel (10) for substrate
It send and scrubs roller group (92) and the 8th to the 7th and scrub and carry out second of clear water scrub between roller group (111), by the after having scrubbed
Substrate is sent and carries out surface passivation into passivating device (13) by four idler wheels (12), forms chemical treatment layer in substrate surface；
Step 2: paint layer coating
Premenstrual pretreated substrate enters application chamber primer coating and conductive back paint, dries subsequently into baking oven, solidification, substrate
Application chamber is applied by entering face after water-cooled cooling, face applies end metacoxal plate and enters baking oven baking-curing, applies feelings according to face
Condition selection carries out second of face painting；
Step 3: winding is cut
Substrate winding after paint layer is coated with, the scale material of corresponding size is cut into according to the practical cutter of material requirements；
Step 4: paint removal pad pasting
Region is specified to be scanned in substrate by laser mode after the completion of cutting, according to coating layer thickness and coating surface performance tune
Whole power, is removed paint layer by laser, pastes protective film according to coating surface performance.
9. a kind of removal roller coating PCM part paint film according to claim 1 or 8 realizes the conductive processing method in part,
It is characterized in that, the substrate is stainless steel plate, electrolytic galvanized sheet, heat zinc coating plate, aluminium plating zinc plate, any one in tin plate.
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