CN102514302A - Laminated metal plate as well as production method and production device thereof - Google Patents
Laminated metal plate as well as production method and production device thereof Download PDFInfo
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- CN102514302A CN102514302A CN2011103784356A CN201110378435A CN102514302A CN 102514302 A CN102514302 A CN 102514302A CN 2011103784356 A CN2011103784356 A CN 2011103784356A CN 201110378435 A CN201110378435 A CN 201110378435A CN 102514302 A CN102514302 A CN 102514302A
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Abstract
The invention discloses a laminated metal plate as well as a production method and a production device thereof. The laminated metal plate comprises a metal plate and a polyester film laminated on the surface of the metal plate, wherein an adhesive is not arranged between the metal plate and the polyester film. The laminated metal plate production method comprises the following steps: heating the metal plate to realize that the temperature of the metal plate is higher than the melting point of the polyester film; applying mechanical pressure to the polyester film by virtue of a lamination device so as to cover the polyester film on the metal plate; enabling one side, close to the metal plate, of the polyester film to be molten and the other side, far from the metal plate, of the polyester film to be not molten; and rapidly cooling the metal plate laminated by the polyester film to obtain the laminated metal plate. The laminated metal plate can be used for overcoming a plurality of defects of the prior art, and realizing no adhesive, safety, environmental friendliness, strong adhesion and strong corrosion resistance, and can be directly used in food package; the production process is simple ad practical; and the production device meets the requirement of industrial production.
Description
Technical field
The present invention relates to material technology, relate in particular to a kind of precoated metal plate, production method and process units thereof.
Background technology
Variation along with technical development, consumption idea and fashion; Competition in packaging material between metal, plastics, paper and the glass is growing more intense; And characteristics such as metal packing material is hard with its good leak tightness, quality, good springiness, the resistance photosensitiveness is good and gas barrier property is good are occupied critical role at packaging field always.
Tin plate has important role as the important component part of metal packing material in fields such as food, beverage, aerosol jar and chemical tanks.But because tin is a kind of main strategic resource, price is more expensive, and resource is exhausted day by day, and the precoated metal plate is more and more paid close attention to by people as a kind of product that can substitute tin plate.
Precoated metal plate for example overlay film iron is a mylar (thickness is about 15～25 μ m) on cold-reduced sheet/chromium plating iron two sides covers, and is a kind of Metallic Functional Materials that has plastic sheeting and sheet metal dual characteristics concurrently.Can avoid from metallic plate dissolve that taste deterioration, the local flavor that the metal that causes jar interior food or beverage degenerates, content goes bad, and the generation of perforation.
Traditional precoated metal plate manufacturing process is a low temperature adhesion technology, uses adhesive that metallic plate and polyester film are bonded, and with the precoated metal panel products that this kind method is produced, has following several respects shortcoming:
1, low temperature adhesion technology is through binding agent metallic plate and polyester film to be combined with each other; In compound process; Binding agent has solvent evaporates, this not environmental protection of process, instability when oven dry; The precoated metal panel products of producing cannot be directly and Food Contact, and this type of precoated metal panel products only is used for non-food stuff jar industries such as chemical industry;
2, the applying degree of metallic plate and polyester film is weak in the traditional precoated metal plate, adhesive force is little, causes anti-ly dashing, corrosion-resistant;
3, traditional precoated metal plate producing process receives the influence of environment temperature, humidity bigger, and technology is unstable, and product stability is poor;
4, low temperature adhesion explained hereafter efficient is lower, and cost is high.
Summary of the invention
The present invention provides a kind of precoated metal plate, and in order to solving defective of the prior art, implementation structure is simple, nontoxic, can be widely used in the packaging for foodstuff industry.
The present invention provides a kind of precoated metal plate, comprises metallic plate and is coated on its surperficial polyester film, adhesive-free between said metallic plate and the polyester film.Said metallic plate can be selected from the common metal in mental package field, like steel plate, chrome plating, aluminium alloy plate etc.
Polyester film according to the invention can adopt the polyester film described in one Chinese patent application number 200910259903.0 (tunica albugineas) or 200910223570.6 (hyaline membranes); Adopt the precoated metal plate of above-mentioned polyester film production to have strong adhesion, the advantage of anti-boiling.
Another object of the present invention is the production method that above-mentioned precoated metal plate also is provided, with the advantage that realizes that production efficiency is high, production cost is low.
The production method of above-mentioned precoated metal plate may further comprise the steps:
With metallic plate heating, make the temperature of metallic plate be greater than or equal to the fusing point of polyester film; Through film covering device polyester film is applied mechanical pressure, polyester film is covered on the metallic plate; Said polyester film melts near metallic plate one side, does not melt away from metallic plate one side; The metallic plate that will be coated with polyester film then sharply cools off and obtains the precoated metal plate.The metallic plate temperature of said heating is greater than or equal to the fusing point (fusing point of the general polyester film that adopts is 200-300 ℃) of polyester film, under the pressure effect of overlay film roller, and polyester film and metallic plate pressing.Polyester film is near the temperature transmission through metallic plate of a side of metallic plate, arrive fusing point after, fusing is compound on the metallic plate, polyester film does not then reach fusing point away from an other side of metallic plate, fusing does not become the precoated metal plate after the cooling.
Further, remove the oil stain on surface through alkali cleaning, washing before the said metallic plate heating, to guarantee the cleaning of metallic plate.
Further; When said polyester film covers on the metallic plate of heating, there is the tension force of 80-100 ox on the polyester film, this tension closed loop control; Polyester film exists under the condition of tension force through film-spreading roller; Can guarantee the smoothness before polyester film covers metallic plate, be difficult for producing ripple, and then guarantee the quality of precoated metal plate.
Further, resistance heated and eddy-current heating are successively adopted in said metallic plate heating.Induction heating equipment is a conventional equipment, both can purchase commercially available equipment, also can design voluntarily.
Further, the transfer rate of said metallic plate in heating process do not limit, and that optional is 20-60m/min, 40-50m/min preferably, and this transfer rate can guarantee the heating and the overlay film effect of metallic plate.
Further, said overlay film promptly can be unidirectional overlay film and also can be two-way overlay film, and preferably two-way overlay film promptly covers polyester film in the metallic plate both sides simultaneously.Said film covering device comprises the overlay film roller, and said overlay film roller is two, and one is fixed roll, another is action roller.
Further, it is 6-12kg/mm that said film covering device applies linear pressure to polyester film, and optional linear pressure is 6-7kg/mm.
Further, the said per minute temperature that sharply is cooled to reduces by 70～80 ℃.Sharply cooling can be adopted air-cooled and/or water-cooled.
Further, after cooling obtains the precoated metal plate, said precoated metal coiled sheet rolling is convenient to storage and transportation.
Another object of the present invention has provided the process units of realizing above-mentioned precoated metal plate producing process, to realize that the precoated metal plate continuously, produce fast.
The process units of precoated metal plate comprises: the gateway unit, cleaning unit, heating unit, overlay film unit, cooling unit and the outlet port unit that set gradually according to the metallic plate direction of transfer.Said gateway unit launches metallic plate; Said cleaning unit washes the foreign matter of metal sheet surface, and said foreign matter comprises that grease, dust etc. influence the material of overlay film effect; Said heating unit heats metallic plate; Said overlay film unit overlays on polyester film on the metallic plate; Said cooling unit cools off the precoated metal plate; Said rolling unit is with precoated metal coiled sheet rolling.
Said gateway unit is used for metallic plate is launched, make metallic plate along process route steadily, operation smoothly.Said gateway unit comprises uncoiler, pinch roll, welding machine and the slewing rollers that are provided with in order along the metallic plate direction of transfer.Metal plate coils (like coil of strip) is positioned on the uncoiler, and through auxiliary pinch roll, slewing rollers launch metal plate coils;
Said cleaning unit is used for the oil stain on clean metal plate surface, and said cleaning unit comprises alkali cleaning equipment, washing equipment, squeezing apparatus and the drying plant that is provided with in order along the metallic plate direction of transfer.Metal plate coils gets into cleaning unit after gateway unit launches, because there is oil stain (like coil of strip is that the chrome plating surface has grease, pass through ungrease treatment) in metal sheet surface; Under the effect of alkali wash water, the oil stain of said metal sheet surface is removed, spray washing then; Under the effect of squeezing apparatus (like squeeze roll), the water of said metal sheet surface is extracted, and gets into drying plant; Guarantee metallic plate through behind the cleaning unit, cleaning surfaces, drying.
Said heating unit comprises resistance heated and the eddy-current heating that is provided with in order according to the metallic plate direction of transfer, and said eddy-current heating is replenishing resistance heated.Said resistance heating device is two groups of conductive rollers, also is provided with attemperator between two groups of conductive rollers, is difficult for running off to guarantee the metallic plate temperature between the conductive rollers, and what said attemperator was optional is Muffle furnace.Said resistance heated be metallic plate with 20-60m/min (preferably 45m/min) service condition under, the metallic plate between two conductive rollers is heated.The temperature that metallic plate can reach in the resistance heated process receives the influence of environment, attemperator, is not easy control, and resistance heated power should be moderate, and power is too high, and metallic plate can be out of shape, and metallic plate speed is low excessively, and metallic plate also can be out of shape.Adopting eddy-current heating is the additional and adjusting to resistance heated, and temperature increase was to preset value after the assurance metallic plate passed through eddy-current heating.Said preset value is 240-260 ℃, and optional is 245-265 ℃.To different polyester films, its fusing point has nothing in common with each other, and only need adjust heating-up temperature and metallic plate is heated to the polyester film fusing point gets final product.
Said overlay film unit is used under the adhesive-free condition, metallic plate being pasted polyester film to obtain the precoated metal plate, and said equipment for coating film comprises that at least overlay film unit and pressure provide the unit; Wherein said overlay film unit constitutes by inner hollow and with the overlay film roller and the auxiliary chill roll of cooling fluid system connectivity, and said cooling fluid system can be cooling water, is used to cool off overlay film roller and auxiliary chill roll; Said overlay film roller comprises fixed roll and action roller; And can the overlay film of realizing under the unit drives metallic plate be provided at pressure; Said auxiliary chill roll is at least two; Be arranged at the outside of fixed roll and action roller respectively and form the expansion clearance, just contact when said expansion clearance is set to fixed roll and action roller expanded by heating with auxiliary chill roll; All with the glue-line of surface through polishing, said auxiliary chill roll has the surface through mirror process for said fixed roll and action roller surface.
Said cooling unit comprises air-cooled equipment, water cooling equipment and the drying plant that is provided with in order along the metallic plate direction of transfer.When precoated metal plate first product promptly gets into cooling unit, take away a part of heat through air-cooled equipment earlier, get into water cooling equipment then.Said air-cooled equipment adopts airduct, and said water-cooled adopts water-cooling groove, rapid cooling behind the precoated metal plate first product entering water-cooling groove; The compound of metallic plate and polyester film reaches stable; Be connected with recirculated water in the said water-cooling groove, can the heat on precoated metal plate surface be taken away, avoid too much steam to produce.Precoated metal panel products surface temperature through cooling section arrives room temperature state.
Said outlet port unit is used for the rolling of precoated metal panel products, and said outlet port unit comprises the slewing rollers that are provided with in order along the metallic plate direction of transfer, and EPC is with limit device and coiling machine.Said EPC before the steel band rolling, can realize detecting automatically the limit portion of coil of strip with the limit device, then the effect of alignment.
The course of work of said precoated metal plate process units:
To the curl metallic plate of rolling of gateway unit launches; Metallic plate is sent into cleaning unit wash its surperficial foreign matter off, guarantee the cleaning of metal sheet surface, and dry; Metallic plate is heated to design temperature (equal or a little more than the fusing point of polyester film); Polyester film is covered on the metallic plate (can a side also can both sides) through film covering device; Cooling unit will be coated with the metallic plate cooling of film; Pass through the rolling unit at last with precoated metal coiled sheet rolling.
A kind of precoated metal plate of the present invention, production method and process units thereof, raw material is chosen safety, environmental protection, and production method science, reasonable is compared prior art and is mainly had following several respects advantage:
1, safety and environmental protection, metallic plate and film be overlay film under HTHP directly, does not have the use of intermediate adhesive, and therefore the precoated metal panel products sanitary safe of therefore producing can directly contact with food;
2, the strong adhesion of precoated metal panel products polyester film anti-ly dashes, corrosion resistance is strong;
3, the production of precoated metal plate is not strong to the dependence of environment, reaches required process conditions, just can directly prepare;
4, production efficiency is high, cost is low;
5, the process units of precoated metal plate can be realized the serialization commercial production of precoated metal plate.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a precoated metal plate process units annexation sketch map of the present invention;
Fig. 2 is an overlay film cellular construction sketch map of the present invention.
In conjunction with accompanying drawing, Reference numeral is following in the embodiment of the invention:
The 1-uncoiler; The 2-pinch roll; The 3-welding machine;
The 4-slewing rollers; 5-alkali cleaning equipment; The 6-washing equipment;
The 7-squeezing apparatus; The 8-drying plant; The 9-conductive rollers;
The 10-induction heating equipment; The 11-metallic plate; The air-cooled equipment of 12-;
The 13-water cooling equipment; The 14-drying plant; The 15-slewing rollers;
16-EPC is with the limit device; The 17-coiling machine; The 18-attemperator;
The 19-action roller; The 20-fixed roll; 21-assists chill roll;
22-drives the film machine; The 23-jockey pulley; 24-film slewing rollers;
The 25-nip rolls; The 26-film collection apparatus that gives up; 27-moves hydraulic means.
The specific embodiment
Embodiment one
Present embodiment provides a kind of precoated metal plate, comprises metallic plate and is coated on its surperficial polyester film, adhesive-free between said metallic plate and the polyester film.The polyester film that adopts is PETG, and is concrete, and the polyester film that present embodiment adopts is one Chinese patent application number 200910259903.0 disclosed tunica albugineas, and its fusing point is 230-260 ℃.Metallic plate is the chromium plating cold-reduced sheet.
The production method of above-mentioned precoated metal plate may further comprise the steps:
With metallic plate heating, make the temperature of metallic plate be higher than the fusing point of polyester film, promptly be heated to 260-280 ℃; Through film covering device polyester film is applied linear pressure 6kg/mm, make polyester film cover a side of metallic plate; Said polyester film melts near metallic plate one side, does not melt away from metallic plate one side; The metallic plate that will be coated with polyester film then sharply cools off and obtains the precoated metal plate.
Embodiment two
Present embodiment provides a kind of precoated metal plate, comprises metallic plate and is coated on its surperficial polyester film, adhesive-free between said metallic plate and the polyester film.The polyester film that adopts is PETG, and concrete, polyester film adopts like one Chinese patent application 200910223570.6 described hyaline membranes, and its fusing point is 210-260.Metallic plate is the chromium plating cold-reduced sheet.
The production method of above-mentioned precoated metal plate may further comprise the steps:
With metallic plate heating, make the temperature of metallic plate equal the fusing point of polyester film, be about to this metallic plate and be heated to 245 ℃; Through film covering device polyester film is applied linear pressure 6kg/mm, polyester film is covered on the both sides of metallic plate (chromium plating cold-reduced sheet); Polyester film melts near metallic plate one side, does not melt away from metallic plate one side; The metallic plate that will be coated with polyester film then sharply cools off and obtains the precoated metal plate.
The process units of above-mentioned precoated metal plate is as shown in Figure 1, comprises the gateway unit, cleaning unit, heating unit, overlay film unit, cooling unit and the outlet port unit that set gradually along metallic plate 11 directions of motion.To the curl metallic plate of rolling of gateway unit launches; Cleaning unit washes the foreign matter on metallic plate 11 surfaces; Heating unit heats metallic plate 11; The overlay film unit overlays on polyester film on the metallic plate 11; Cooling unit cools off the precoated metal plate; The rolling unit is with precoated metal coiled sheet rolling.
Gateway unit is used for the metallic plate of the rolling of curling is launched, make then metallic plate 11 along the process route of precoated metal plate process units steadily, operation smoothly.Gateway unit comprises uncoiler 1, pinch roll 2, welding machine 3 and the slewing rollers 4 that are provided with in order along metallic plate 11 direction of transfers.
Cleaning unit is used for the oil stain on clean metal plate 11 surfaces, and said cleaning unit comprises alkali cleaning equipment 5, washing equipment 6, squeezing apparatus 7 and the drying plant 8 that is provided with in order along metallic plate 11 direction of transfers.Because coil of strip is that the chrome plating surface has grease, pass through ungrease treatment, under the effect of alkali wash water, the oil stain on metallic plate 11 surfaces is removed, spray washing then, under the effect of squeeze roll, the water on metallic plate 11 surfaces is extracted, and gets into drying plant.
Heating unit comprises resistance heated and the eddy-current heating that is provided with in order according to metallic plate 11 direction of transfers, and eddy-current heating is replenishing resistance heated.Resistance heated in the present embodiment is that the conveyer belt of the centre of 9, two groups of conductive rollers 9 of two groups of conductive rollers is provided with attemperator 18 Muffle furnaces.Resistance heated is under metallic plate 11 service conditions, and the metallic plate 11 between two conductive rollers 9 is heated.The temperature that resistance heated process metallic plate 11 reaches receives the influence of environment, attemperator, is not easy control, and resistance heated power should be moderate, and power is too high or too low, and metallic plate 11 all can be out of shape.Induction heating equipment 10 is a conventional equipment, both can purchase commercially available equipment, also can design voluntarily.
The overlay film unit of present embodiment as shown in Figure 1 comprises: exhibition film unit, overlay film unit, and pressure provides the unit; The overlay film unit constitutes by inner hollow and with the overlay film roller and the auxiliary chill roll 21 of cooling fluid system connectivity, and the cooling fluid system is used to cool off overlay film roller and auxiliary chill roll 21, the optional water-cooling system of using of cooling fluid system; The overlay film roller comprises fixed roll 20 and action roller 19; And can the overlay film of realizing under the unit drives metallic plate be provided at pressure; Auxiliary chill roll 21 is four; Be arranged at the outside of fixed roll 20 and action roller 19 respectively and form the expansion clearance, the expansion clearance just contacts with auxiliary chill roll 19 when being set to fixed roll 20 with action roller 19 expanded by heating; Fixed roll 20 and action roller 19 surfaces are all with the glue-line of surface through polishing, and auxiliary chill roll 21 has the surface through mirror process.Two cover exhibition film units are arranged in the overlay film unit of present embodiment as shown in Figure 2; The exhibition film unit comprises out film machine 22, jockey pulley 23, film slewing rollers 24, nip rolls 25, and useless film collection apparatus 26; The wherein said film machine 22 of opening comprises the inflatable axle; Two cover exhibition film units are symmetricly set in the both sides of overlay film unit respectively, are used to launch said polyester film, make the overlay film unit of present embodiment to paste polyester film in metallic plate 11 both sides.
In above-mentioned overlay film unit; The overlay film roller is divided into fixed roll 20 and action roller 19; Action roller 19 provides the unit to be connected with pressure; Pressure provides the unit to comprise and moves hydraulic means 27, and it is made up of oil cylinder, turbine and worm leading screw and variable-frequency motor, and mobile hydraulic means 27 is used to drive the pressing of action roller 19 and fixed roll 20 or separates.Have the silicon rubber glue-line of surface on fixed roll 20 and the action roller 19 through polishing; Glue-line has 15mm thickness; Auxiliary chill roll 21 has the chrome-plated surface through mirror process, and directly the optional ratio in generally auxiliary chill roll 21 and the roller footpath of fixed roll 20 and action roller 19 is 1 to the roller of roller directly is
the auxiliary chill roll 21 of the fixed roll 20 of overlay film roller and action roller 19: 3-4 for
in the present embodiment.
The working mechanism of overlay film unit is: with the polyester film that is unfolded and treat that the metal heating plate of overlay film is delivered between the fixed roll 20 and action roller 19 of overlay film unit simultaneously; Starting pressure provides the unit simultaneously; Drive the overlay film roller and polyester film is fitted to processes precoated metal plate first product on the metallic plate, and be 120-150 ℃ through feeding cooling fluid control overlay film roll surface temperature to overlay film roller and auxiliary chill roll 21 inner chambers.
Cooling unit comprises air-cooled equipment 12, water cooling equipment 13 and the drying plant 14 that is provided with in order along the metallic plate direction of transfer.When above-mentioned precoated metal plate first product promptly gets into cooling unit, take away a part of heat through air-cooled equipment 12 earlier, get into water cooling equipment 13 then.Air-cooled equipment 12 adopts airduct, and water cooling equipment 13 adopts water-cooling groove, rapid cooling behind the precoated metal plate first product entering water-cooling groove; The compound of metallic plate and polyester film reaches stable; Be connected with recirculated water in the water-cooling groove, can the heat on precoated metal plate surface be taken away, avoid too much steam to produce.Precoated metal panel products surface temperature through cooling section arrives room temperature state.
Outlet port unit is used for the rolling of precoated metal panel products, and outlet port unit comprises the slewing rollers 15 that are provided with in order along the metallic plate direction of transfer, and EPC is with limit device 16 and coiling machine 17.
The course of work of said precoated metal plate process units is following:
Open a book: coil of strip is positioned on the uncoiler 1, and through auxiliary pinch roll 2, slewing rollers 4 are launched into steel band to coil of strip; Through welding machine 3 two sections steel bands are welded together then.
Clean: carry out clean through alkali cleaning equipment 5,6 pairs of metallic plates of washing equipment (steel band), wash the grease of metal sheet surface, and then extract through squeezing apparatus 7, drying plant 8 is dried, and guarantees cleaning, the drying of metal sheet surface; The alkali cleaning equipment 5 that present embodiment adopted, washing equipment 6 and squeezing apparatus 7 are respectively alkaline bath, rinsing bowl and squeeze roll
Heating: metallic plate gets into the heating ring joint after cleaning; The heating link is made up of resistance soft heat heating (resistance heated) and induction reflow heating (eddy-current heating); Resistance heated be metallic plate with the certain speed service condition under; Under the indeformable prerequisite of assurance metallic plate, the metallic plate between the conductive rollers 9 is heated, the movement velocity of metallic plate is 45m/min in the present embodiment.Resistance soft heat heating is because the influence of various factors; Can't guarantee metallic plate by uniform heating to design temperature, further come regulating and controlling temperature with eddy-current heating this moment, i.e. replenishing and regulating resistance heated; Guarantee that metallic plate through after heating link, reaches 245 ℃ of technological temperatures.
Overlay film: the metallic plate through resistance heated and eddy-current heating moves with the speed of 45m/min, walks to the overlay film point, and temperature reaches technological requirement, is open and flat polyester films in the metallic plate both sides; At jockey pulley, under the acting in conjunction of nip rolls, film slewing rollers, polyester film is more straight; Do not have ripple to produce, this moment, the action roller 19 of control overlay film roller was to fixed roll 20 direction pressings through moving hydraulic means; The pressure balance that keeps action roller 19 both sides, when action roller 19 and fixed roll 20 pressed together metallic plate and both sides polyester film, overlay film began; Polyester film reaches fusing point near a side of metallic plate at this moment, is bonded on the metallic plate; Side away from metallic plate does not reach fusing point and does not melt, and has guaranteed the apparent mass of precoated metal plate.Because the metallic plate movement velocity is very fast, the heat time heating time of polyester film is shorter, can realize the part fusing of polyester film, and a part does not melt.After metallic plate and polyester film are compound, become precoated metal plate first product, said precoated metal plate first product gets into the cooling link with the speed of 45m/min.
Cooling: after metallic plate and polyester film are compounded to form precoated metal plate first product, promptly get into the cooling link, through air-cooled equipment 12, water cooling equipment 13 reduces the temperature on precoated metal plate surface, makes the surface quality of precoated metal panel products stable; And then by the water mark quick evaporate to dryness of drying plant with steel strip surface.
Rolling: will produce good precoated metal panel products and carry out rolling.
Embodiment three
Embodiment two prepared precoated metal plates are applied in the lid and two piece can product of mental package jar, experiment showed, that said precoated metal plate has strong adhesion, the advantage of anti-boiling.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (15)
1. a precoated metal plate comprises metallic plate and is coated on its surperficial polyester film, it is characterized in that adhesive-free between said metallic plate and the polyester film.
2. the said precoated metal plate producing process of claim 1 is characterized in that, may further comprise the steps:
With metallic plate heating, make the temperature of metallic plate be greater than or equal to the fusing point of polyester film; Through film covering device polyester film is applied mechanical pressure, polyester film is covered on the metallic plate; Said polyester film melts near metallic plate one side, does not melt away from metallic plate one side; The metallic plate that will be coated with polyester film then sharply cools off and obtains the precoated metal plate.
3. the production method of precoated metal plate according to claim 2 is characterized in that, removes the oil stain on surface through alkali cleaning, washing before the said metallic plate heating.
4. the production method of precoated metal plate according to claim 2 is characterized in that, when said polyester film covers on the metallic plate, has the tension force of 80-100 ox on the polyester film.
5. according to the production method of claim 2 or 3 described precoated metal plates, it is characterized in that resistance heated and eddy-current heating are successively adopted in said metallic plate heating.
6. according to the production method of claim 2 or 3 described precoated metal plates, it is characterized in that the transfer rate of said metallic plate in heating process is 20-60m/min.
7. the production method of precoated metal plate according to claim 2 is characterized in that, covers polyester film simultaneously in the metallic plate both sides.
8. the production method of precoated metal plate according to claim 2 is characterized in that, it is 6-12kg/mm that said film covering device applies linear pressure to polyester film.
9. the production method of precoated metal plate according to claim 2 is characterized in that, the said each second temperature of sharply being cooled to reduces by 70～80 ℃, and sharply cooling can be adopted air-cooled and/or water-cooled.
10. process units of realizing any said precoated metal plate producing process of claim 2-9; It is characterized in that; Comprise: according to gateway unit, cleaning unit, heating unit, overlay film unit, cooling unit and outlet port unit that the metallic plate direction of transfer sets gradually, said gateway unit launches metallic plate; Said cleaning unit washes the foreign matter of metal sheet surface; Said heating unit heats metallic plate; Said overlay film unit overlays on polyester film on the metallic plate; Said cooling unit cools off the precoated metal plate; Said rolling unit is with precoated metal coiled sheet rolling.
11., it is characterized in that said cleaning unit comprises alkali cleaning equipment, washing equipment, squeezing apparatus and the drying plant that is provided with in order along the metallic plate direction of transfer according to the said process units of claim 10.
12., it is characterized in that said heating unit comprises resistance heated and the eddy-current heating that is provided with in order along the metallic plate direction of transfer according to the said process units of claim 10.
13., it is characterized in that said overlay film unit is used under the adhesive-free condition, metallic plate being pasted polyester film to obtain the precoated metal plate according to the said process units of claim 10, said equipment for coating film comprises that at least overlay film unit and pressure provide the unit; Wherein
Said overlay film unit constitutes by inner hollow and with the overlay film roller and the auxiliary chill roll of cooling fluid system connectivity; Said overlay film roller comprises fixed roll and action roller; And can the overlay film of realizing under the unit drives metallic plate be provided at pressure; Said auxiliary chill roll is at least two, is arranged at the outside of fixed roll and action roller respectively and forms the expansion clearance, just contacts with auxiliary chill roll when said expansion clearance is set to fixed roll and action roller expanded by heating;
All with the glue-line of surface through polishing, said auxiliary chill roll has the surface through mirror process for said fixed roll and action roller surface.
14., it is characterized in that said cooling unit comprises air-cooled, water-cooled and the oven dry that is provided with in order along the metallic plate direction of transfer according to the said process units of claim 10.
15., it is characterized in that said outlet port unit comprises the slewing rollers that are provided with in order along the metallic plate direction of transfer according to the said process units of claim 10, EPC is with limit device and coiling machine.
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| CN201110378435.6A CN102514302B (en) | 2011-11-24 | 2011-11-24 | Laminated metal plate as well as production method and production device thereof |
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| CN102941705A (en) * | 2012-09-29 | 2013-02-27 | 奥瑞金包装股份有限公司 | Color printing lamination metal plate and preparation method thereof |
| CN103112233A (en) * | 2013-02-07 | 2013-05-22 | 奥瑞金包装股份有限公司 | Method and device for applying polyester film onto metal substrate under adhesive-free conditions |
| CN103306447A (en) * | 2012-12-31 | 2013-09-18 | 江苏华中冷弯机械有限公司 | Metal hard foam polyurethane composite decorative sheet and production process thereof |
| CN104626779A (en) * | 2015-01-12 | 2015-05-20 | 陈淼 | Laminating printing and punching methods of metal plates |
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| CN113753282A (en) * | 2021-08-27 | 2021-12-07 | 安徽爱瑞德新材料有限公司 | A finished product packing apparatus that is qualified for next round of competitions for wood-Plastic production |
| CN114382229A (en) * | 2021-12-21 | 2022-04-22 | 东南大学 | Continuous processing technology and processing device for A-level metal composite fireproof plate |
| CN116372028A (en) * | 2023-04-13 | 2023-07-04 | 粤海中粤(中山)马口铁工业有限公司 | Method and device for treating local heating of tank openings of two coated iron tanks |
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| CN102941705A (en) * | 2012-09-29 | 2013-02-27 | 奥瑞金包装股份有限公司 | Color printing lamination metal plate and preparation method thereof |
| CN102936646A (en) * | 2012-11-20 | 2013-02-20 | 上海实达精密不锈钢有限公司 | Tension removing device for precise stainless steel strip |
| CN103306447A (en) * | 2012-12-31 | 2013-09-18 | 江苏华中冷弯机械有限公司 | Metal hard foam polyurethane composite decorative sheet and production process thereof |
| CN103112233A (en) * | 2013-02-07 | 2013-05-22 | 奥瑞金包装股份有限公司 | Method and device for applying polyester film onto metal substrate under adhesive-free conditions |
| CN104626779A (en) * | 2015-01-12 | 2015-05-20 | 陈淼 | Laminating printing and punching methods of metal plates |
| CN107538881B (en) * | 2016-06-28 | 2019-12-27 | 宝山钢铁股份有限公司 | Production method and equipment of film-coated metal plate |
| CN107538881A (en) * | 2016-06-28 | 2018-01-05 | 宝山钢铁股份有限公司 | The production method and equipment of a kind of film-covered metal plate |
| WO2018001179A1 (en) * | 2016-06-28 | 2018-01-04 | 宝山钢铁股份有限公司 | Method and device for producing film-coated metal plate |
| US11225054B2 (en) | 2016-06-28 | 2022-01-18 | Baoshan Iron & Steel Co., Ltd. | Method and apparatus for producing film-coated metal plate |
| CN107538883A (en) * | 2016-06-29 | 2018-01-05 | 佛山市定中机械有限公司 | A kind of hot equipment for coating film of sheet metal and its processing method |
| CN106364060A (en) * | 2016-08-31 | 2017-02-01 | 四川东和欣包装科技有限公司 | Laser transfer laminated steel production process |
| CN108943732A (en) * | 2018-06-06 | 2018-12-07 | 常州欧邦机械有限公司 | A kind of preparation method of metal film coated plate |
| CN109760295A (en) * | 2019-01-28 | 2019-05-17 | 广州卓迅包装机械有限公司 | The film covering method of sheet metal and pre- laminating machine |
| CN110421947B (en) * | 2019-07-30 | 2022-01-11 | 北京建筑大学 | Hot-pressing compounding method of heat exchange plate and heat exchange plate |
| CN110421947A (en) * | 2019-07-30 | 2019-11-08 | 北京建筑大学 | A kind of the hot pressing complex method and heat exchanger plate of heat exchanger plate |
| CN112048252A (en) * | 2020-08-26 | 2020-12-08 | 江苏鼎胜新能源材料股份有限公司 | Cold roofing that PET modified film prepared |
| CN112659540A (en) * | 2020-12-07 | 2021-04-16 | 江阴卓普新型包装材料有限公司 | Tectorial membrane iron directional heating and continuous cleaning drying equipment |
| CN112659540B (en) * | 2020-12-07 | 2023-03-31 | 江阴卓普新型包装材料有限公司 | Tectorial membrane iron directional heating and continuous cleaning drying equipment |
| CN113753282A (en) * | 2021-08-27 | 2021-12-07 | 安徽爱瑞德新材料有限公司 | A finished product packing apparatus that is qualified for next round of competitions for wood-Plastic production |
| CN113753282B (en) * | 2021-08-27 | 2022-10-25 | 安徽爱瑞德新材料有限公司 | A finished product packing apparatus that is qualified for next round of competitions for wood-Plastic production |
| CN114382229A (en) * | 2021-12-21 | 2022-04-22 | 东南大学 | Continuous processing technology and processing device for A-level metal composite fireproof plate |
| CN114382229B (en) * | 2021-12-21 | 2023-01-31 | 东南大学 | Continuous processing technology and processing device for A-level metal composite fireproof plate |
| CN116372028A (en) * | 2023-04-13 | 2023-07-04 | 粤海中粤(中山)马口铁工业有限公司 | Method and device for treating local heating of tank openings of two coated iron tanks |
| CN116372028B (en) * | 2023-04-13 | 2023-12-22 | 粤海中粤(中山)马口铁工业有限公司 | Method and device for treating local heating of tank openings of two coated iron tanks |
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Address after: 101407 Beijing Huairou District wild goose Industrial Development Zone Patentee after: Origen Polytron Technologies Inc. Address before: 101407 No. 7 Nan Yi Street, Yan Xi economic development zone, Huairou District, Beijing Patentee before: ORG PACKAGING Co.,Ltd. |
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Application publication date: 20120627 Assignee: Beijing Lanpeng Ruichi Technology Co.,Ltd. Assignor: Origen Polytron Technologies Inc. Contract record no.: X2022990000787 Denomination of invention: Film coated metal plate, production method and production device Granted publication date: 20140723 License type: Common License Record date: 20221012 |
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