CN103341428B - A kind of metal roll bending directly carries out the technique of silanization treatment after opening and putting down - Google Patents
A kind of metal roll bending directly carries out the technique of silanization treatment after opening and putting down Download PDFInfo
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- CN103341428B CN103341428B CN201310272516.7A CN201310272516A CN103341428B CN 103341428 B CN103341428 B CN 103341428B CN 201310272516 A CN201310272516 A CN 201310272516A CN 103341428 B CN103341428 B CN 103341428B
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Abstract
The invention discloses a kind of metal roll bending open flat after directly carry out the technique of silanization treatment, it comprises the following steps: first by the uncoiling of metal roll bending; Then the sheet metal after uncoiling is carried out successively degreasing, washing process; Again the sheet metal after degreasing, washing process is carried out film process on silanization, then the sheet metal after film process on silanization dried, be incubated, complete silanization treatment.This technique is used to carry out sheet material process, can simplification of flowsheet, improve degreasing efficiency and washing cleannes, reduce the waste of inorganic agent and eliminate the impact that channelling brings, improving the upper film quality of silane film, effectively reduce production cost.
Description
Technical field
The present invention relates to a kind of metal roll bending open flat after directly carry out the technique of silanization treatment.
Background technology
In order to provide protection to parent metal, the front metal substrate that prevents from painting is corroded and improves adhesion and the Corrosion Protection of paint film and ground, and metal substrate first will carry out pretreatment before painting.Metal substrate pretreating process conventional is at present silanization treatment technique.Silanization treatment technique comprises degreasing, washing and upper membrane process, and processing mode comprises immersion type, fountain, spray immersion combined type and brushing formula etc.In prior art, this silanization treatment technique is all carried out after metal roll bending opens flat cutting, machine-shaping.But work pieces process shaping after, due to by the restriction of its factor such as physical dimension and shape, inevitably there is the dead angle of the not easy cleaning such as groove, is therefore adopt which kind of processing mode all can affect degreasing and water washing effect.Degreasing and water washing effect bad, seriously can hinder the generation of silane film, even and if the adhesive force of follow-up paint film, drying property and decay resistance also can be affected after upper film.In addition degreasing and water washing effect bad, also can cause shaping workpiece by degreasing bath not easily clean surfactant and foreign ion bring in silane treatment groove, cause channelling, have a strong impact on the upper film quality of silane film and the service life of silane finish.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of metal roll bending open flat after directly carry out the technique of silanization treatment.
Its technical solution is:
Metal roll bending directly carries out a technique for silanization treatment after opening and putting down, it comprises the following steps:
(1) by the uncoiling of metal roll bending;
(2) sheet metal after uncoiling is carried out successively degreasing, washing process;
(3) sheet metal after degreasing, washing process is carried out film process on silanization, then the sheet metal after film process on silanization dried, be incubated, complete silanization treatment.
Preferably, in step (2), described degreasing, washing process adopt spray respectively or spray and soak the processing mode combined; In step (3), on described silanization, film process adopts the processing mode of spray.
Preferably, in step (2), when carrying out degreasing, washing process to sheet metal, brush roll and/or scouring pad is adopted to clean sheet metal; After sheet metal being carried out to degreasing, washing process, rubber flap is adopted to wipe degreasing agent unnecessary on sheet metal or moisture off.
Preferably, in step (3), when carrying out film process on silanization to sheet metal, install sponge brush additional in the both sides of sheet metal, with the surface making silane finish cover sheet metal uniformly, the waste of silane finish can be reduced simultaneously, improve its utilization rate, reduce costs.
Preferably, in step (3), Electromagnetic Heating mode is adopted to be dried by sheet metal.
Advantageous Effects of the present invention is:
The present invention devise a kind of metal roll bending open flat after directly carry out the Processes and apparatus of silanization treatment, can the metal roll bending such as collineation processing cold-rolled steel sheet, galvanized sheet and color steel.This Processes and apparatus is used to carry out sheet material process, can simplification of flowsheet, improve degreasing efficiency and washing cleannes, reduce the waste of inorganic agent and eliminate the impact that channelling brings, improving the upper film quality of silane film, effectively reduce production cost.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of embodiment 1;
Fig. 2 is the process flow diagram of embodiment 2.
In Fig. 1: 1-unreeling machine, 2-melt pit, 3-carry-over pinch rolls group, 4-alkali lye pond, 5-shower, 6-brush roll, 7-scouring pad, 8-rubber flap, 9-guide roller, 10-carry-over pinch rolls group, 11-carry-over pinch rolls group, 12-washing pool, 13-recirculated water shower, 14-brush roll, 15-guide roller, 16-carry-over pinch rolls group, 17-clear water shower, 18-rubber flap, 19-silane treatment pond, 20-carry-over pinch rolls group, 21-shower, 22,23-sponge brush, 24-carry-over pinch rolls group, 25-Electromagnetic Heating district, 26-heat preservation zone, 27-winder.
In Fig. 2: 1-unreeling machine, 2-carry-over pinch rolls group, 3-alkali lye pond, 4-shower, 5-brush roll, 6-carry-over pinch rolls group, 7-rubber flap, 8-help roll, 9-carry-over pinch rolls group, 10-washing pool, 11-recirculated water shower, 12-brush roll, 13-clear water shower, 14-rubber flap, 15-help roll, 16-carry-over pinch rolls group, 17-smooths pressure roller, 18-silane treatment pond, 19-shower, 20,21-sponge brush, 22-carry-over pinch rolls group, 23-plate shearing machine, 24-dumper, 25-Electromagnetic Heating district, 26-heat preservation zone.
Detailed description of the invention
Metal roll bending open flat after directly carry out the technique of silanization treatment, it carries out according to the following steps: first by driven by motor unreeling machine by the uncoiling of metal roll bending; Then the sheet metal after uncoiling is carried out successively degreasing, washing process, the mode that processing procedure all adopts spray or spray to combine with immersion; Again the sheet metal after degreasing, washing process is carried out film process on silanization, processing procedure adopts the mode of spray, then by the sheet metal oven dry after film process on silanization, insulation, completes silanization treatment.Sheet metal after silanization treatment can rolling be for subsequent use or directly carry out cutting processing again.Above-mentioned treatment process carries out the technique of silanization treatment again after comparing and first opening flat cutting, machine-shaping at present, more simple and practical, processing speed is faster, also substantially increases degreasing efficiency and washing cleannes, ensure that silanization treatment effect while reducing energy consumption and rinse water consumption.
As the further improvement to this technique, when carrying out degreasing, washing process to sheet metal, brush roll and/or scouring pad is adopted to clean sheet metal.Brush roll and/or scouring pad can strengthen degreasing to sheet metal surface and water washing effect.Carrying out degreasing to sheet metal, washing is after process completes, and adopts rubber flap to wipe unnecessary degreasing agent and moisture off.Can prevent sheet metal from bringing too much degreasing agent into washing pool after rubber flap is arranged on degreasing district, increase water cleaning difficulty; The water yield entering silane treatment pond can be reduced after rubber flap is arranged on water wash zone, reduce the impact that excess moisture brings silane treatment agent concentration.When carrying out film process on silanization to sheet metal, the adjustable sponge brush in gap has all been installed additional in rear and front end, silanization treatment district, can ensure that silane finish covers plate surface uniformly, also unnecessary silane finish can be wiped lower recovery, greatly reduce the waste of silane finish, improve utilization ratio, while ensureing silane treatment effect, can production cost be reduced again.
Further, Electromagnetic Heating mode is adopted to be dried by sheet metal.Compare with Resistant heating mode with traditional coal-fired air blast, Electromagnetic Heating mode not only cleanliness without any pollution, also heat conduction loss can be greatly reduced, energy consumption is low and electric energy conversion efficiency is high, but also have long service life, heating rate fast, safeguard the advantages such as simple, can greatly reduce energy resource consumption and production cost.
Below by two specific embodiments, the invention will be further described:
Embodiment 1
As shown in Figure 1, by driven by motor unreeling machine 1 by the uncoiling of metal roll bending, the buffering in the melt pit 2 of long 4m, dark 1.5m, wide 1.2 ~ 2m of the sheet metal after uncoiling.There is provided the power of the motor of uncoiling power according to actual uncoiling weight set, time as heavier in uncoiling and the larger motor of installation power as PTO.
Sheet metal traction after uncoiling, by driven by motor, is carried out ungrease treatment to alkali lye pond 4 by carry-over pinch rolls group 3.The two ends of carry-over pinch rolls are connected with adjusting rod, can gap between free adjustment two carry-over pinch rolls, meet the demand of process different-thickness sheet material.The long 2m in alkali lye pond, dark 1.5m, wide 1.2 ~ 2m, bottom is connected with the spray system of water pump and pipeline composition, and pressure can be provided to carry out spray degreasing process to sheet material.
When carrying out ungrease treatment, the spray equipment of sheet material first by being made up of one or more groups shower 5, spray equipment is connected alkali lye pond by water pump with pipeline.Often organizing shower 5 is upper and lower two, can carry out spray degreasing to sheet material upper and lower surface simultaneously.Sheet metal after spray enters alkali lye pond and soaks, and first after the scrubbing action of two groups of brush roll 6 and one group of scouring pad 7, is pulled out alkali lye pond.After going out alkali lye pond, sheet material also can pass through the adjustable rubber flap 8 of two block gaps, prevents from bringing too much degreasing agent into washing pool, increases water cleaning difficulty.
Have employed spray in skimming processes and soak the mode that combines of wiping and ungrease treatment is carried out to sheet metal.Except spray equipment, also install the eraser that one or more groups is made up of brush roll or scouring pad additional, improve degreasing effect and speed.Often organizing gap between brush roll or scouring pad eraser can by coupled adjusting rod free adjustment, to process the sheet material of different-thickness.The kind of brush roll and scouring pad and quantity can consider factor such as the cleaning of plate surface greasy dirt difficulty and production cost etc. and select.When adopting brush roll to carry out wiping, rotate in opposite directions between driven by motor same group of brush roll, rotating speed is adjustable, and rotation direction is contrary with sheet material direct of travel, can play and be equivalent to manual effect of cleaning, by the greasy dirt scrub of plate surface in traveling process of sheet material.The step of such oil removing mode artificial pre-wiping before can saving ungrease treatment, saves labour cost, improves degreasing efficiency.When carrying out ungrease treatment the season that temperature is higher, good degreasing effect can be reached equally without the need to heating degreasing agent.Alkali lye is provided with heating tube in pond, in the season that temperature is lower, can heat degreasing agent.A guide roller 9 has also been installed additional, for the course of fixed plate bottom alkali lye pond.Sheet material after degreasing pulls out alkali lye pond via the carry-over pinch rolls group 10 that one group of gap of driven by motor is adjustable.Through alkali lye pond end, by the rubber flap that two block gaps are adjustable, degreasing agent unnecessary for plate surface can be scraped, both decreased the waste of degreasing agent, the difficulty of follow-up water cleaning step can be alleviated again, save precious water resource and reduce production cost.
Sheet material, under driven by motor, draws to washing pool 12 by carry-over pinch rolls group 11.The long 2m of washing pool, dark 1.5m, wide 1.2 ~ 2m.Washing after degreasing adopts the mode of recirculated water spray-immersion scouring-clear water spray to carry out.Concrete technology is as follows: first by one or more groups recirculated water shower 13 when sheet material enters washing pool, often organizing recirculated water shower 13 is two, carry out cleaning showers from sheet material upper and lower surface respectively, spray pressure provides by the water pump be connected to bottom washing pool, can free adjustment.Shower water is herein the recirculated water in washing pool.Sheet material enters in washing pool and soaks after cleaning showers, has installed one group of brush roll 14 herein equally additional, brush roll 14 rotate through connected driven by motor, the gap between roller and roller also all regulates by adjusting rod.Often organize brush roll to rotate in opposite directions, rotation direction is contrary with sheet material direct of travel, can carry out effective wiping cleaning, substantially increase cleaning efficiency to sheet material.In order to cushion the active force of middle generation of advancing, fixed plate course, bottom washing pool, there are also installed a guide roller 15.In carry-over pinch rolls group 11 with under the drive of carry-over pinch rolls group 16, sheet material is pulled out washing pool subsequently, above washing pool, install one or more groups clear water shower 17 additional, need spray clear water to rinse sheet material herein, ensure the residual degreasing agent of plate surface and impurity to clean up.The water flowed down enters washing pool, and water unnecessary in washing pool can flow out from washing pool overfall.Washing pool end has installed the adjustable rubber flap of two block gaps 18 equally additional, is hung by moisture unnecessary for plate surface, reduces the water yield entering silane treatment pond 19, reduces the impact that excess moisture brings silane treatment agent concentration.
The sheet material cleaned up, under driven by motor, draws to silane treatment pond 19 by carry-over pinch rolls group 20.The long 2m in silane treatment pond 19, dark 1m, wide 1.5 ~ 2m, be connected with water pump and pipeline bottom the body of pond, line end is connected with one or more groups shower 21, and often organizing shower 21 is two, carries out cleaning showers respectively from sheet material upper and lower surface.Spray pressure provides by the water pump be connected to bottom silane treatment pond.The adjustable sponge brush in gap 22,23 has all been installed additional in rear and front end, silane treatment pond, both can ensure that silane finish covered plate surface uniformly, also unnecessary inorganic agent can be wiped lower recovery, greatly reduce the waste of silane finish, improve utilization ratio, while ensureing silane treatment effect, can production cost be reduced again.Sponge brush 22,23 needs to soak through silane finish before use.Sheet metal on silanization after film process draws to drying tunnel through carry-over pinch rolls group 24.The vertical range on the distance between center line ground of carry-over pinch rolls group 20, higher than carry-over pinch rolls group 16 about 5 ~ 10cm, makes there is an inclination angle between sheet material and horizontal line, is also convenient to unnecessary silane treatment liquid and flows back to treatment pond.
The sheet material of spray silane finish can directly enter drying tunnel heating, drying.Drying tunnel adopts the Electromagnetic Heating mode of clean and effective to dry sheet material.Compare with Resistant heating mode with traditional coal-fired air blast, Electromagnetic Heating mode not only cleanliness without any pollution, also heat conduction loss can be greatly reduced, energy consumption is low and electric energy conversion efficiency is high, but also have long service life, heating rate fast, safeguard the advantages such as simple, can greatly reduce energy resource consumption and production cost.After sheet material enters drying tunnel, successively by Electromagnetic Heating district 25 and heat preservation zone 26.The Electromagnetic Heating head of district 30 ~ 50cm, sheet material by time can by more than plate surface temperature transient rise to 100 DEG C.Electromagnetic Heating is close to heat preservation zone behind district, and the insulation head of district 4 ~ 6m, can take the mode heated first to carry out preheating, can take combustion gas or electrically heated mode that heat preservation zone temperature is risen to 120 ~ 150 DEG C, stop heating and thermal insulation after reaching set temperature during heating.The time that sheet material solidifies in high-temperature region can be extended like this, increase the crosslinking degree of silane film, improve adhesive force and the decay resistance of follow-up paint film.Sheet material through drying is pulled roller group 24 and pulls out heat preservation zone and again roll through winder 27, do deposit in short-term for subsequent use.
Embodiment 2
As shown in Figure 2, under the drive of motor, unreeling machine 1 is by the uncoiling of metal roll bending, and the sheet metal after uncoiling is drawn by carry-over pinch rolls group 2 and enters degreasing district.
Alkali lye pond 3 is arranged at bottom, degreasing district, the long 2m in alkali lye pond, dark 1m, wide 1.2 ~ 2m, bottom is connected with the spray system of water pump and pipeline composition, the spray equipment of sheet material first by being made up of one or more groups shower 4 after entering degreasing district, spray equipment is connected alkali lye pond by water pump with pipeline, often organizing shower is upper and lower two, can spray sheet material upper and lower surface simultaneously.Install one group of brush roll 5 additional in the centre in degreasing district, the gap between brush roll 5 can by coupled adjusting rod free adjustment, to process the sheet material of different-thickness.Adopt brush roll when cleaning, to rotate in opposite directions and rotating speed is adjustable between same group of brush roll, rotation direction is contrary with sheet material direct of travel, can play the effect being equivalent to craft scouring, by the greasy dirt scrub of plate surface in traveling process of sheet material.Alkali lye is provided with heating tube in pond, can heat alkali lye.The advantage of this skimming processes is, in the season that temperature is higher, without the need to heating alkali lye, can reach good degreasing effect.Adopt when the season that temperature is lower the mode of heating to carry out ungrease treatment again, the consumption of the energy can be greatly reduced, reduce production cost.Sheet material after ungrease treatment pulls out degreasing district through carry-over pinch rolls group 6, degreasing district end is provided with the adjustable rubber flap of two block gaps 7, by the interaction of rubber flap 7 with sheet material, degreasing agent unnecessary for plate surface can be scraped, both the waste of degreasing agent had been decreased, the difficulty of follow-up water cleaning step can be alleviated again, save precious water resource and reduce production cost.In order to allow the degreasing agent scraped reflux smoothly, installed one group of help roll 8 before carry-over pinch rolls group 6 additional, the height on help roll 8 distance between center line ground is lower than carry-over pinch rolls group 6 about 5 ~ 10cm.
Carry-over pinch rolls group 9 is under driven by motor, and by sheet material traction to water wash zone, washing pool 10 is arranged at bottom, water wash zone.The long 2m of washing pool, dark 0.8m, wide 1.2 ~ 2m.Washing employing recirculated water spray-clear water after degreasing sprays the mode combined to carry out.Concrete technology is as follows: first by one or more groups recirculated water shower 11 when sheet material enters washing pool, often organizing recirculated water shower 11 is two, carry out cleaning showers from sheet material upper and lower surface respectively, spray pressure provides by the water pump be connected to bottom washing pool, can free adjustment.Shower water is herein the recirculated water in washing pool.Above washing pool 10, install one group of brush roll 12 additional, brush roll 12 can carry out effective wiping cleaning to the sheet material cleaned through recirculated water, substantially increases cleaning efficiency.Be one or more groups clear water shower 13 after next-door neighbour's brush roll 12, spray clear water herein and sheet material is cleaned, ensure the residual degreasing agent of plate surface and impurity to clean up.The water flowed down enters washing pool, and water unnecessary in washing pool can flow out from overfall.This mode had both improve the utilization rate of water, can play good cleaning performance again.Water wash zone end installs the adjustable rubber flap of two block gaps 14 equally additional, is hung by moisture unnecessary for plate surface, reduces the water yield entering silane treatment pond, reduces the impact that excess moisture brings silane treatment agent concentration.In order to ensure that the water cleaning sheet material refluxes smoothly, add one group of help roll 15 in washing pool front end, help roll 15 is identical with the help roll 8 of alkali lye pond end, and the height on the distance between center line ground of help roll 15 is also lower than carry-over pinch rolls group 9 about 5 ~ 10cm.
Under carry-over pinch rolls group 9 acting in conjunction with carry-over pinch rolls group 16, the sheet material cleaned up is pulled by the adjustable smoothing pressure roller 17 in several groups of gaps, and the height on smoothing pressure roller 17 distance between center line ground is consistent, sheet material by time can play good smoothing effect.Sheet material after smoothing is pulled and enters silanization treatment district and carry out silanization treatment, and silane treatment pond 18 is arranged at the bottom in silanization treatment district.The long 2m in silane treatment pond, dark 1m, wide 1.5 ~ 2m.Be connected with water pump and pipeline bottom the body of pond, line end is connected with one or more groups shower 19, and often organizing shower 19 is two, carries out cleaning showers respectively from sheet material upper and lower surface.Spray pressure provides by the water pump be connected to bottom treatment pond.The adjustable sponge brush in gap 20,21 has all been installed additional in rear and front end, silanization treatment district, both can ensure that silane finish covered plate surface uniformly, also unnecessary inorganic agent can be wiped lower recovery, greatly reduce the waste of silane finish, improve utilization ratio, while ensureing silane treatment effect, can production cost be reduced again.The vertical range on the distance between center line ground of carry-over pinch rolls group 16, higher than carry-over pinch rolls group 9 about 5 ~ 10cm, makes there is an inclination angle between sheet material and horizontal line, is convenient to unnecessary silane treatment liquid and flows back to treatment pond.
Sheet metal after silanization treatment directly can enter drying tunnel heating, drying under the draw of carry-over pinch rolls group 22, and drying course is identical with the first technique.Sheet metal after oven dry through plate shearing machine 23 cutting, then can be delivered to processing district through dumper 24.
It should be noted that, under the instruction of this description, any equivalents done by those skilled in the art, or obvious variant, all should within protection scope of the present invention.
Claims (1)
1. metal roll bending directly carries out a technique for silanization treatment after opening and putting down, and it is characterized in that comprising the following steps:
(1) by the uncoiling of metal roll bending;
(2) sheet metal after uncoiling is carried out successively degreasing, washing process;
(3) sheet metal after degreasing, washing process is carried out film process on silanization, then the sheet metal after film process on silanization dried, be incubated, complete silanization treatment;
In step (2), described degreasing, washing process adopt spray respectively or spray and soak the processing mode combined; In step (3), on described silanization, film process adopts the processing mode of spray;
In step (2), when carrying out degreasing, washing process to sheet metal, brush roll and/or scouring pad is adopted to clean sheet metal; After sheet metal being carried out to degreasing, washing process, rubber flap is adopted to wipe degreasing agent unnecessary on sheet metal or moisture off;
In step (3), when carrying out film process on silanization to sheet metal, install sponge brush additional in the both sides of sheet metal, with the surface making silane finish cover sheet metal uniformly;
In step (3), Electromagnetic Heating mode is adopted to be dried by sheet metal.
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| CN201310272516.7A CN103341428B (en) | 2013-07-01 | 2013-07-01 | A kind of metal roll bending directly carries out the technique of silanization treatment after opening and putting down |
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Cited By (1)
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| US11807942B2 (en) | 2015-05-01 | 2023-11-07 | Novelis Inc. | Continuous coil pretreatment process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111558654A (en) * | 2020-05-20 | 2020-08-21 | 无锡市真言自动化机械配套厂 | Aluminum strip processing technological process |
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Effective date of registration: 20211223 Address after: 266555 Room 302, No. 884, Maoshan Road, Huangdao District, Qingdao City, Shandong Province Patentee after: Qingdao Haiyida New Material Technology Co.,Ltd. Address before: 266590 No. 579, Qian Wan Gang Road, Qingdao economic and Technological Development Zone, Shandong Patentee before: SHANDONG University OF SCIENCE AND TECHNOLOGY |