CN106671563B - A kind of metal coiled material color coating production method and process units - Google Patents
A kind of metal coiled material color coating production method and process units Download PDFInfo
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- CN106671563B CN106671563B CN201610202836.9A CN201610202836A CN106671563B CN 106671563 B CN106671563 B CN 106671563B CN 201610202836 A CN201610202836 A CN 201610202836A CN 106671563 B CN106671563 B CN 106671563B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B39/00—Layout of apparatus or plants, e.g. modular laminating systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
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Abstract
The invention discloses a kind of metal coiled material color coating process units, including No. 1 strip decoiling equipment set gradually, No. 1 strip clamping and conveying device, No. 1 strip entrance shear, converge clamping and conveying device, riveting set, pressuring flat device, entry loop device, degreasing plant, water washing device, change painting machine, change and applies drying unit, flush coater, curing oven, strong device for cooling after solidification, outlet looping device, cold film covering device, cut preceding clamping and conveying device, discharge shear, rewinding clamping and conveying device and wrap-up, the application techniques of " painting with powder generation " may be implemented in the present invention, improve environment, improve the production efficiency of color steel, it can be widely applied in steel plate color-coating, with good IP prospecting and application potential.
Description
Technical field
The invention mainly relates to a kind of metal coiled material coating method and devices, relate more particularly to a kind of metal coiled material color coating
Production method and process units belong to metal coiled material color coating technical field.
Background technique
During metal coiled material color coating processing, the coating material containing organic solvent is needed to be applied to metallic coil
On material band, handles, just can be so produced with figuratum metal coiled material band, Ke Yiying by subsequent drying, consolidation etc.
For in the numerous areas such as building construction, various electric appliances.
Currently, having been equipped with thousands of spray painting paint line, but these paintings in domestic metal coiled material industry
Line all uses traditional circulating air heating drying tunnel, 40-60 meters of the drying tunnel length, and heating region temperature is divided into 4 regions: 1
240 DEG C of 220 DEG C of area, 320 DEG C of 2nd area, 330 DEG C of 3rd area and 4th area；It is 60% that volume content is usually contained in paint used in wherein
Above hazardous solvent (such as benzene, ketone), the VOC (volatile organic matter) that they are discharged is very big to human health damage,
Environmental pollution is serious simultaneously.
In order to make improvements, people have carried out a large amount of further investigation, and achieve some beneficial improvement, example
Such as:
Chinese utility model patent CN201020229817.3 discloses a kind of color coating line, process flow are as follows: on
Volume trolley → uncoiler → uncoiling pinch roller → entrance plate shearing machine → turning, clamping and conveying roller → convergence pinch roller → double sewing machine →
Burr removing roller → 1# tensioner → entry loop → deviation correcting device → 2# tensioner → precleaning unit → brushing device → buck
Cleaning device → 1# water washing device → 2# water washing device → hot-air drier → verticalization painting machine → vertical curing oven → 3# tension
Device → deviation correcting device → rendering roller coating device → prime oven → quenching cooling apparatus → cold air drying device →-tensioner →
Deviation correcting device → printing device → finish oven → 2# essence applies roller coating device → finish oven → hot film covering device → water quenching
Cooling device → cold air drying device → 5# tensioner → vertical outlet looping device → deviation correcting device → 6# tensioner → pinch
Roller arrangement → outlet plate shearing machine → outlet pinch roller → coiling machine → coil stripping car can be with by the use of the paint line
Realize indirect heating curing oven, it is contaminated so as to avoid plate face.
Chinese utility model patent CN201220425278.X discloses a kind of Multifunctional color coating line, the production line
It is sequentially connected by following equipment: feeding cart, uncoiler, pinch machine, cutter, sewing machine, 1# tensioning device, preceding loop, 2#
Tight machine, the pre- degreasing section of chemistry, roller brush machine, clear water jetter, hot-air drying unit, changes painting machine, changes painting drying 1# transducer
Furnace, Air cooler, steering roller arrangement, base coating machine, primary coat curing oven, primary coat is air-cooled and water cooling plant, steering roller arrangement, the face 1# apply
Machine, the face 1# apply curing oven, the face 1# apply it is air-cooled with water cooling plant, turn to roller arrangement, 2# transducer, turn to roller arrangement, the face 2# applies machine,
The face 2# applies curing oven, the face 2# applies air-cooled and water cooling plant, 3# tensioning device, turns to roller arrangement, double roller transducer, embossing machine, stamp
Machine, coating machine, coating curing oven, hot overlay film unit, air-cooled and water cooling plant, 4# tensioning device, rear loop, 5# tensioning device, shearing
Machine, turning, clamping and conveying machine, winding unit, dump car；The production line may be implemented to complete kinds of processes on a production line, tool
There are good production versatility and universality.
However, country, which has expressly provided, must take stringent environmental protection and waste water, exhaust gas using solvent-based paints
Treatment measures up to standard have been put into effect to the behave that such coating adds the consumption tax and strict control uses is used again in the recent period, this is undoubtedly
Huge production cost rising pressure is brought to related enterprise.
In order to overcome drawbacks described above, foreign countries have been developed for metal coiled material powder coating production line, and have obtained reality
Border application.Solvent-based paints coating metal coiled material is replaced using powdery paints, not only there is the absolute predominance for solving environmental protection, also have
It is improved properties of product, energy conservation, many benefits for economizing on resources and reducing cost.
But on the other hand, there is two technological difficulties for powder coating metal coiled material technology: 1, needing to solve " big
Powder amount electrostatic dusting technology "；2, need to solve the quick of the metal coiled material surface powder coating that quickly (25-100m/min) is run
Curing technology.The two technological difficulties are also two key points that color steel realizes high speed coating, are that high speed coating is able to guarantee
How key factor solves two above key technical problem, is always the technical problem for perplexing major manufacturer.
Therefore, for developing a kind of new metal coiled material color coating production method and process units, not only there is urgent grind
Study carefully value, it may have good economic benefit and commercial application potentiality, this power place exactly of the invention being accomplished and base
Plinth leans on.
Summary of the invention
In order to overcome the defect of existing metal coiled material color coating production method and process units as indicated above, and seek
Novel metal coiled material color coating production method and process units, the present inventor have made intensive studies this, a large amount of having paid
After creative work, so as to complete the present invention.
Specifically, the technical problems to be solved by the present invention are: providing a kind of metal coiled material color coating production method and life
Device is produced, the production method, to realize the application techniques of " painting with powder generation ", is improved by specific process flow etc.
Environment improves the production efficiency of color steel, has good environment friendly and Personal Safety.
In order to solve the above technical problems, the technical scheme is that providing a kind of metal coiled material color coating production method, institute
It states metal coiled material color coating production method and comprises the following production steps that (1a) No. 1 strip uncoiling: using uncoiler, by No. 1 metallic coil
Material volume is gradually spread out, and obtains No. 1 strip；(2a) No. 1 strip pinches: using clamping and conveying device that No. 1 metal coiled material is downstream defeated
It send；(3a) No. 1 strip entrance shearing；(4) converge pinch；(5) it rivets；(6) it flattens；(7) entry loop；(8) degreasing；(9) water
It washes；(10) change and apply；(11) change and apply drying；(12) it sprays: in metal coiled material surface dusty spray coating；(13) spraying solidification:
It sprays and carries out powder coating curing process in curing oven；(14) strong cold after solidifying: metal coiled material is gone out by the tail portion of spraying curing oven
The cooling rear steering of mouth is delivered at outlet piston；(19) outlet looping；(20) cold overlay film；(21) preceding pinch is cut；(22) discharging is cut
It cuts；(23) rewinding pinches；(24) it winds.
In the metal coiled material color coating production method of the invention, as a kind of perferred technical scheme, further include
(1b) No. 2 strip uncoilings: uncoiler is used, No. 2 metal coiled material material volumes are gradually spread out, No. 2 strips are obtained；(2b) No. 2 strips
It pinches: using pinch mechanism by No. 2 metal coiled material downstream transports；(3b) No. 2 strip entrance shearings.
Wherein, No. 1 strip is arranged in parallel with No. 2 strips, and No. 1 strip is converged with No. 2 strips in step (4), so
Backward downstream pinch.Namely: step (1a)-(3a) is arranged in parallel with step (1b)-(3b), then converges together, carries out step
(4) and the processing of subsequent step it, will also recognize that and inerrably record and express in fig. 1.
In the metal coiled material color coating production method of the invention, as a kind of perferred technical scheme, in step
(13) in, it is equipped with 260 DEG C -300 DEG C of circulating air in the spraying curing oven, and is located at the import position of the spraying curing oven
Infrared (NIR) irradiated heat device is installed.
To solve above-mentioned technical problem and complete the above method, invention additionally discloses and to provide a kind of metal coiled material color
Process units is applied, the process units includes No. 1 strip decoiling equipment, No. 1 strip clamping and conveying device, No. 1 strip set gradually
Entrance shear converges clamping and conveying device, riveting set, pressuring flat device, entry loop device, degreasing plant, water washing device, change
Painting machine, change apply drying unit, flush coater, spraying curing oven, the strong device for cooling of spraying, outlet looping device, cold film covering device, cut before
Clamping and conveying device, discharging shear, rewinding clamping and conveying device and wrap-up.
In the metal coiled material color coating process units of the invention, as a kind of perferred technical scheme, with described No. 1
Strip decoiling equipment, No. 1 strip clamping and conveying device and No. 1 strip entrance shear parallel side-by-side be equipped with No. 2 strip decoiling equipments,
No. 2 strip clamping and conveying devices and No. 2 strip entrance shears, No. 1 strip entrance shear and No. 2 strip entrance shearings
Device it is described converge converge at clamping and conveying device.
The setting realizingly can also be found out and be expressed from attached drawing 1.
In the metal coiled material color coating process units of the invention, as a kind of perferred technical scheme, the spraying
260 DEG C -300 DEG C of circulating air is equipped in curing oven, and the entrance location for being located at the spraying curing oven is equipped with infrared (NIR)
Irradiated heat device.
It is as a kind of perferred technical scheme, described infrared in the metal coiled material color coating process units of the invention
(NIR) irradiated heat device includes fixed frame, the upper mounting rack and lower mounting rack being oppositely arranged up and down in the fixed frame,
Metal coiled material conveys between the upper mounting rack and lower mounting rack, the upper mounting rack and adjacent two tables of lower mounting rack
Face is mounted on several infrared lamps, and the extending direction of the infrared lamp and the conveying direction of metal coiled material are vertical.
Wherein, the quantity of the infrared lamp can after reading technical solution of the present invention, according to actual production demand into
The reasonable setting of row, this is the ability that those skilled in the art should have after reading the present invention, is no longer carried out herein detailed
Description.
In the metal coiled material color coating process units of the invention, as a kind of perferred technical scheme, the upper peace
Shelve and lower mounting rack on be equipped with guard pins between adjacent two infrared lamps, the guard pins are perpendicular to the upper mounting rack
Or the surface of lower mounting rack, the distance on end to the metal coiled material surface of the guard pins are less than the infrared lamp to metal coiled material
The distance on surface.
In the metal coiled material color coating process units of the invention, as a kind of perferred technical scheme, No. 1 band
Expect that clamping and conveying device includes pedestal, column is fixedly installed on the pedestal, the top of the column is hingedly equipped with counter-jib, institute
The one end for stating counter-jib is rotatably equipped with the drive roll being driven by motor, and sets between the other end of the counter-jib and the column
There is the first hydraulic cylinder, a driven voller is rotatably equipped on the column, the driven voller is corresponding with the drive roll position；
Trailing arm is hingedly installed, the trailing arm has holding for support metal coiled material on the column corresponding with the driven voller position
Support is equipped with the second hydraulic cylinder between the trailing arm and pedestal.
In the metal coiled material color coating process units of the invention, as a kind of perferred technical scheme, the solidification
Strong device for cooling and device for cooling strong after solidification include horizontally disposed cooler bin afterwards, and the both ends of the cooler bin are respectively equipped with forward (FWD)
Mouth and band outlet, first that powder coating on spray metal coiled material is equipped in the cooler bin of the forward (FWD) mouth spray
Pipe, the downstream of first spray tube are equipped with the second spray tube for spraying two surfaces of metal coiled material respectively, first spray
Pipe and the second spray tube are connected with cooling water pipe；Spray metal coiled material is equipped in the cooler bin of the band outlet
The third spray tube on two surfaces, the third spray tube connect liquid nitrogen pipe；The bottom of the cooler bin is equipped with waste collection
Mouthful, the top of the cooler bin is equipped with gas sampling mouth.
As described above, the present invention provides a kind of metal coiled material color coating production method and metal coiled material color coating process units,
By the use of this method and/or process units, many beneficial effects can be obtained, to overcome skills many in the prior art
Art defect, for example, achieve it is following the utility model has the advantages that
(1) it is of the present invention color metal coiled material circulating air drying tunnel is transformed using infrared nonstorage calorifier after, can be with
Metal coiled material oil paint coating enterprise is helped to realize " painting with powder generation " to the purpose of high-end application techniques fast transformation, skill of the invention
Art feature is improved circulating air drying tunnel (drying tunnel of spraying curing oven), is carried out to metal coiled material surface powder coating continuous
The heat treatment of secondary entirely different mode, enables the powdery paints under high-speed cruising state sufficiently to be solidified, and can guarantee
The requirement of appearance of film and quality, the technology of the present invention get up infrared technique and perfect combination the advantages of circulating air technology, benefit
Quickly add thermal property with infrared technique, the metal coiled material in infrared nonstorage calorifier irradiation zone is rapidly heated, and makes
Its surface powder melts rapidly gentle local solidification, then completes the perfect of film by drying tunnel hot wind and solidifies, both not Tongfangs
The heating of formula compensates for mutual deficiency.
(2) the existing drying tunnel of the technology of the present invention effective use oil paint coating production line, implementation is transformed into be applied suitable for powder
Expect quick-setting heating drying tunnel, take full advantage of existing equipment, greatly reduce cost of investment, avoid waste, using this
Inventive technique produces the metal coiled material of coating powder coating, can solve the Heavy environmental pollution of long-standing problem industry and to operation
The problem of person's physical and mental health is wrecked has been inherently eliminated the generation of VOC, for country, has saved a large amount of organic solvents, from
And the positive effect to economize on resources with the energy is obtained, and metal coiled material can be promoted to powder coating high-end technology fast transformation, solution
The problem of environmental pollution for long-standing problem industry of having determined.
(3) due to being equipped with guard pins between two infrared lamps, the damage that metal coiled material is risen and fallen in operation to infrared lamp is avoided
It ruins, extends the service life of infrared lamp.
(4) due to being hingedly equipped with trailing arm on column corresponding with driven voller position, further improve drive roll with
Driven voller avoids metal coiled material and bends in conveying to the transfer efficiency of metal coiled material, and then improves spraying effect
And production efficiency.
(5) since the conveying direction in cooler bin along metal coiled material has set gradually the first spray tube, the second spray tube
With third spray tube, the first spray tube and the second spray tube are that water is cooling, carry out pre- cooling processing to high-temperature metal coiled material, and the
Three spray tubes are cooling for liquid nitrogen, can carry out rapid cooling processing to metal coiled material, be arranged so and on the one hand reduce metallic coil
On the other hand the thermal stress of material reduces destruction of the rapid cooling to powder coating, improves the spraying effect of metal coiled material.
As described above, the present invention provides a kind of metal coiled material color coating production method and metal coiled material color coating process units,
By the use of the method and device, many beneficial effects can be obtained, many defects in the prior art are overcome, in work
It has a good application prospect in industry and productive potentialities, and there is good and huge economic value.
Detailed description of the invention
Fig. 1 is the process frame chart of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of infrared radiation heating device in the embodiment of the present invention two；
Fig. 3 is the structural schematic diagram of No. 1 strip clamping and conveying device in the embodiment of the present invention two；
Fig. 4 is the structural schematic diagram of tension balance device in the embodiment of the present invention two；
Fig. 5 is the structural schematic diagram of strong device for cooling after solidifying in the embodiment of the present invention two.
Wherein, in Fig. 1 into Fig. 5, each number designation is respectively referred to for following concrete meaning, element and/or component.
In figure: 1, infrared radiation heating device, 101, fixed frame, 102, upper mounting rack, 103, lower mounting rack, 104, red
Outer lamp, 105, guard pins, 2, metal coiled material, 3, No. 1 strip clamping and conveying devices, 301, pedestal, 302, column, 303, counter-jib,
304, drive roll, 305, driven voller, the 306, first hydraulic cylinder, the 307, second hydraulic cylinder, 308, trailing arm, 309, support face,
4, tension balance device, 401, support base, 402, gantry beam, the 403, first jockey pulley, the 404, second jockey pulley, 405, third
Power roller, the 406, the 4th jockey pulley, 407, roll force, 408, crank arm, 409, cylinder, 410, adjustment arm, 411, pressure roller, 5, after solidification
Strong device for cooling, 501, cooler bin, 502, forward (FWD) mouth, 503, band outlet, the 504, first spray tube, the 505, second spray tube, 506,
Third spray tube, 507, cooling water pipe, 508, liquid nitrogen pipe, 509, gas sampling mouth, 510, waste collection mouth, 6, means for correcting,
601, rack, 602, lower mold roller, 603, third hydraulic cylinder, 604, slide, 605, upper mold roller.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.But the purposes and mesh of these exemplary embodiments
Be only used to enumerate the present invention, any type of any restriction not is constituted to real protection scope of the invention, it is more non-to incite somebody to action this
The protection scope of invention is confined to this.
Embodiment one
As shown in Figure 1, the present invention provides a kind of metal coiled material color coating production method, the metal coiled material color coating producer
Method mainly comprises the following production steps that (1a) No. 1 strip uncoiling, and using uncoiler, No. 1 metal coiled material material volume is gradually spread out；
(2a) No. 1 strip pinches, using clamping and conveying device by No. 1 metal coiled material downstream transport；(3a) No. 1 strip entrance shearing；(1b)2
Number strip uncoiling is gradually spread out No. 2 metal coiled material material volumes using uncoiler；(2b) No. 2 strips pinch, and use pinch mechanism
By No. 2 metal coiled material downstream transports；(3b) No. 2 strip entrance shearings；(4) converge pinch, No. 1 strip and No. 2 strips are common
It is conveyed toward downstream；(5) it rivets, is combined together No. 1 strip and No. 2 strips using riveting welder, so as to No. 1 band in finishing operations
Expect synchronous with No. 2 strips；(6) it flattens, it is using roller press mechanism that No. 1 strip and No. 2 strips pressings is smooth；(7) entry loop；
(8) degreasing；(9) it washes；(10) change and apply, preliminary treatment is carried out to metal coiled material surface using painting machine is changed；(11) change and apply drying；
(12) it sprays, in metal coiled material surface dusty spray coating；(13) spraying solidification carries out at powder coating solidification in curing oven
Reason；(14) strong cold after solidifying；Metal coiled material is exported the stem import that cooling rear steering is delivered to curing oven by the tail portion of curing oven,
It is cooled down in the outside of curing oven；(15) outlet looping；(16) cold overlay film will be coated in room temperature or lower than under normal temperature state
The metal coiled material surface of powder coating is covered with protecting film；(17) preceding pinch is cut；(18) discharging shearing；(19) rewinding pinches；(20)
Winding.
Wherein, No. 1 strip is arranged in parallel with No. 2 strips, and No. 1 strip is converged with No. 2 strips in step (4), so
Backward downstream pinch.Namely: step (1a)-(3a) is arranged in parallel with step (1b)-(3b), then converges together, carries out step
(4) and the processing of subsequent step.By being arranged so set, the double-deck of strip may be implemented, thus can be same to the double-deck strip
When spray so that the production efficiency of color steel is doubled.
Wherein, step (7), (8), (9), (10), (11), (12) are institute's general procedure in existing production, herein no longer
It repeats.
Wherein, traditional double-deck curing process is changed, the present invention only uses a kind of curing process, it is possible to reduce production line
Occupied area improves land utilization ratio and is easy to use identical resource when then carrying out step (16), (17), (18) again, subtracts
The laying for having lacked pipeline reduces equipment cost, meanwhile, reduce 50% or more energy consumption.
Wherein, 260 DEG C -300 DEG C of circulating air is equipped in curing oven in step (13), and is located at the import of curing oven
Position is equipped with infrared radiation heating device, which, which is generally spaced, is arranged several, as spacing distance, originally
Field technical staff can be not limited thereto according to the conveying speed sets itself of strip.Herein, it should be noted that red
External irradiation wavelength is between 0.8-1.5 μm, and irradiated rays are concentrated, and irradiation energy is very high, it is demonstrated experimentally that in conjunction with 260 DEG C -300
DEG C circulating air, powdery paints rapid curing can be made within irradiated heat 5-10 seconds.Therefore, the need of high-speed production be can satisfy
It wants, compared with 330 DEG C of traditional hot air circulations, curing rate of the present invention is fast, and the high speed conveying of strip may be implemented, and mentions
High production efficiency, reduces production cost, decreases energy use.
Wherein, step (15), (16), (17), (18), (19), (20) are also general procedure in existing production, herein no longer
It repeats.
Embodiment two
As Fig. 1 to Fig. 5 jointly shown in, the present invention also provides a kind of metal coiled material color coating process units, the metallic coils
Material color coating process units mainly include include that No. 1 strip decoiling equipment, No. 1 strip clamping and conveying device, No. 1 strip set gradually enters
Mouth shear converges clamping and conveying device, riveting set, pressuring flat device, entry loop device, degreasing plant, water washing device, changes painting
Machine, change apply drying unit, spray equipment, curing oven, strong device for cooling 5 after solidification, outlet looping device, cold film covering device, cut before
Clamping and conveying device, discharging shear, rewinding clamping and conveying device and wrap-up.
Wherein, parallel simultaneously with No. 1 strip decoiling equipment, No. 1 strip clamping and conveying device and No. 1 strip entrance shear
Column are equipped with No. 2 strip decoiling equipments, No. 2 strip clamping and conveying devices and No. 2 strip entrance shears, and No. 1 strip entrance is cut
Cutting apparatus and No. 2 strip entrance shears it is described converge converge at clamping and conveying device.
Wherein, various strip decoiling equipments, various strip entrance shears, riveting set, pressuring flat device, entry loop
Device, water washing device, changes painting machine, changes painting drying unit, flush coater, curing oven, outlet looping device, cold overlay film degreasing plant
Device, discharging shear and wrap-up are commonly used equipment in existing production, and details are not described herein.
It should be noted that in the present invention, wherein change traditional double-deck curing process, the present invention only uses one kind
Curing process, it is possible to reduce the occupied area of production line improves land utilization ratio, then carries out step (16), (17), (18) again
When, it is easy to use identical resource, reduces the laying of pipeline, reduces equipment cost, meanwhile, reduce 50% or more energy
Consumption.There is the first guide roller in strong device for cooling tail portion after solidification, and the first guide roller imports metal coiled material 2, and metal coiled material 2 is by curing oven
Tail portion outlet turning be delivered to solidify after strong device for cooling stem import, cooled down in the outside of curing oven.
Wherein, the entrance location that 260 DEG C -300 DEG C of circulating air is equipped in curing oven, and is located at curing oven is equipped with infrared
Irradiated heat device 1, which, which is generally spaced, is arranged several, as spacing distance, those skilled in the art
Member can be not limited thereto according to the conveying speed sets itself of strip.Here, it is to be appreciated that NIR irradiation belongs to infrared spoke
According to wavelength is between 0.8-1.5 μm, and irradiated rays are concentrated, and irradiation energy is very high, it is demonstrated experimentally that irradiated heat 5-10 seconds
Clock can make powdery paints rapid curing, and 260~300 DEG C high temperature sections of the metal coiled material in drying tunnel heat 35 seconds left sides thereafter
The right side sufficiently completes the solidification of powdery paints and obtains quality film up to standard, therefore, can satisfy the needs of high-speed production, with
330 DEG C of traditional hot air circulations compare, and curing rate of the present invention is fast, and the high speed conveying of strip may be implemented, and improve
Production efficiency reduces production cost, decreases energy use.Actual production effect shows the powder on 2 surface of metal coiled material
Melt levelling and primary solidification rapidly under the irradiation of infrared radiation heating device 1, while the temperature of metal coiled material 2 is quickly ramped up to
200 DEG C or more, metal coiled material 2 subsequently enters 260 DEG C of high-temperature regions of hot wind drying tunnel, make powder coat further sufficiently solidification and it is true
Protect the quality drawback that film does not generate appearance.
As shown in Fig. 2, the infrared radiation heating device 1 includes fixed frame 101, it is opposite up and down in fixed frame 101
The upper mounting rack 102 and lower mounting rack 103 being arranged, metal coiled material 2 convey between upper mounting rack 102 and lower mounting rack 103,
Upper mounting rack 102 and adjacent two surfaces of lower mounting rack 103 are mounted on several infrared lamps 104, the extension side of infrared lamp 104
To vertical with the conveying direction of metal coiled material 2.
Guard pins 105, guard pins are equipped on upper mounting rack 102 and lower mounting rack 103 between two adjacent infrared lamps 104
105 perpendicular to upper mounting rack 102 or lower mounting rack 103 surface, the distance on end to 2 surface of metal coiled material of guard pins 105
Less than NIR infrared lamp 104 to the distance on 2 surface of metal coiled material.
As shown in figure 3, No. 1 strip clamping and conveying device 3 includes pedestal 301, column 302, column are fixedly installed on pedestal 301
302 top is hingedly equipped with counter-jib 303, and one end of counter-jib 303 is rotatably equipped with the drive roll 304 being driven by motor,
The first hydraulic cylinder 306 is equipped between the other end and column 302 of counter-jib 303, the cylinder body of the first hydraulic cylinder 306 is hingedly pacified
On column 302, the piston rod of the first hydraulic cylinder 306 is hinged on counter-jib 303, is rotatably equipped with one on column 302
Driven voller 305, driven voller 305 is corresponding with 304 position of drive roll, drives counter-jib 303 to depress by the first hydraulic cylinder 306
Or rise, when pressure, conveys metal coiled material 2, and when rise then stops conveying；In order to improve drive roll 304 and driven voller
The transfer efficiency of 305 pairs of metal coiled materials 2 avoids metal coiled material 2 from bending in conveying, corresponding with 305 position of driven voller
Column 302 on trailing arm 308 is hingedly installed, trailing arm 308 has the support face 309 of support metal coiled material 2, trailing arm 308 and bottom
The second hydraulic cylinder 307 is equipped between seat 301, the cylinder body of the second hydraulic cylinder 307 is hingedly mounted on pedestal 301, the second liquid
The piston rod of compressing cylinder 307 is hingedly mounted on trailing arm 308.
In the present invention, No. 2 strip clamping and conveying devices, the work for converging clamping and conveying device, cutting preceding clamping and conveying device and rewinding clamping and conveying device
With being toward downstream conveyor belt material, therefore, in order to avoid strip bends deformation, the structure of these clamping and conveying devices refers to No. 1 band
Expect clamping and conveying device 3.
As shown in figure 5, strong device for cooling 5 includes horizontally disposed cooler bin 501 after solidification, the both ends of cooler bin 501 are distinguished
Equipped with forward (FWD) mouth 502 and band outlet 503, spray 2 powder coating of metal coiled material is equipped in the cooler bin 501 of forward (FWD) mouth 502
The first spray tube 504, spraying cooling is carried out to powder coating first, if it is single-layer metal coiled material 2 side spray is then only set
Leaching then needs to be arranged two sides spray, the first spray is respectively arranged in the upper and lower surface of metal coiled material 2 if it is double-level-metal coiled material
Pipe 504, the downstream of the first spray tube 504 are equipped with the second spray tube 505 for spraying 2 two surfaces of metal coiled material respectively, further
Cool down metal coiled material 2, and the first spray tube 504 and the second spray tube 505 are connected with cooling water pipe 507；Close to band outlet 503
Cooler bin 501 in be equipped with spray 2 two surfaces of metal coiled material third spray tube 506, third spray tube 506 connect liquid nitrogen
Pipe 508 may be implemented the rapid cooling cooling of metal coiled material 2, can shorten the length of cooler bin 501 in this way；Cooler bin 501
Bottom is equipped with waste collection mouth 510, and the top of cooler bin 501 is equipped with gas sampling mouth 509, after cooling water and liquid nitrogen distil
Condensed water can be collected and be recycled by waste collection mouth 510, and the gas and water vapour of liquid nitrogen distillation can be by gas samplings
Mouth 509 is collected and is recycled, and discharge is reduced.
Means for correcting 6 is usually arranged in the downstream of strong device for cooling 5 after hardening, and means for correcting 6 includes rack 601, rack 601
On be rotatably equipped with lower mold roller 602, slid vertically in the rack 601 opposite with lower 602 position of mold roller be equipped with it is hydraulic by third
The slide 604 that oil cylinder 603 drives, is rotatably equipped with the upper mold roller 605 being driven by motor on slide 604, when working condition, third
The piston rod of hydraulic cylinder 603 stretches out, and slide 604 is driven to glide, and motor drives upper mold roller 605 to rotate, while upper mold roller 605 will
Metal coiled material 2 is pressed in lower mold roller 602, and the length of upper mold roller 605 and lower mold roller 602 is adapted with the width of metal coiled material 2, and
And the both ends of upper mold roller 605 and lower mold roller 602 are disposed as taper, and it is strong in spraying on the one hand can quickly to eliminate metal coiled material 2
On the other hand the thermal stress generated during cold can will pass through 2 school of metal coiled material of upper mold roller 605 and lower 602 gap of mold roller
Just, two groups of means for correctings 6 usually are set gradually according to the conveying direction of metal coiled material 2, further improves production efficiency.
In order to adapt to the needs of high-speed production, strip needs be up to nearly two in tensioning state during transportation
On hundred meters of production line, to realize that the tensioning of strip is a very difficult thing, as another inventive point of the invention,
Inventor has studied a set of tension balance device 4, and following several positions of production line are arranged in this set tension balance device 4,
Entry loop device front-rear position is respectively provided with a set of tension balance device 4, is arranged before metal coiled material 2 enters spray equipment
A set of tension balance device 4 is arranged after strong device for cooling 5 after hardening in a set of tension balance device 4, strong cold after hardening
A set of tension balance device 4 is set after device 5, a set of tension balance device 4 is set after outlet looping device, this
Sample can effectively solve the problems, such as tensioning of the metal coiled material 2 in entire transmission process.As shown in figure 4, the tension balance device 4 wraps
Support base 401 is included, the first equal jockey pulley 403 of diameter, the second jockey pulley 404, third are arranged in sequence on support base 401
Power roller 405 and the 4th jockey pulley 406, the first jockey pulley 403, the second jockey pulley 404, third jockey pulley 405 and the 4th jockey pulley
It 406 centerline parallel setting and is rotatably installed on support base 401 by bearing block, wherein the second jockey pulley 404 and the
The axial location of three jockey pulleys 405 is higher than the axial location of the first jockey pulley 403 and the 4th jockey pulley 406, on every jockey pulley
It is mounted on a roll force 407, the rotational installation of roll force 407 is cranked arm on 408 in one, and 408 one end of cranking arm are hinged on support base 401
On, the other end is connected with a cylinder 409, and metal coiled material 2 is pressed on the surface of jockey pulley by roll force 407, support base 401
Equipped with gantry beam 402, gantry beam 402 is hinged on gantry beam 402 between the second jockey pulley 404 and third jockey pulley 405
One adjustment arm 410, the both ends of adjustment arm 410 are rotatably equipped with a pressure roller 411 respectively, and two pressure rollers 411 are pressed respectively against the second tension
On roller 404 and third jockey pulley 405.In use, metal coiled material 2 initially enters the second jockey pulley 404, then the first tension of pile warp
Roller 403 and the 4th jockey pulley 406, are exported by third jockey pulley 405, when the tension of 402 two sides metal coiled material 2 of gantry beam becomes
When change, adjustment arm 410 will be swung therewith, and pressure roller 411 just presses to the small side of tension, generate tensile force, the then root of roll force 407
According to adjustment good position in advance is needed, it on the one hand can guarantee cornerite of the metal coiled material 2 on jockey pulley, it on the other hand can be preparatory
Apply tensile force to metal coiled material 2, pressure roller 411 plays the role of adjusting tensile force at any time during the work time, is a floating
State, thus the very good solution tension variation of metal coiled material 2 during transportation, ensure that spraying effect and production effect
Rate.
It should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit protection model of the invention
It encloses.In addition, it should also be understood that, after reading the technical contents of the present invention, those skilled in the art can make the present invention each
Kind change, modification and/or variation, all these equivalent forms equally fall within guarantor defined by the application the appended claims
Within the scope of shield.
Claims (5)
1. a kind of metal coiled material color coating process units, the process units includes No. 1 strip decoiling equipment set gradually, No. 1
Strip clamping and conveying device, No. 1 strip entrance shear, converge clamping and conveying device, riveting set, pressuring flat device, entry loop device,
Degreasing plant, water washing device change strong device for cooling, outlet looping dress after painting machine, change painting drying unit, flush coater, curing oven, solidification
It sets, cold film covering device, cut preceding clamping and conveying device, discharging shear, rewinding clamping and conveying device and wrap-up, the curing oven is red
The curing oven that outer technology and circulating air combine is equipped with 260 DEG C -300 DEG C of circulating air in the curing oven, and is located at described
The entrance location of curing oven is equipped with infrared radiation heating device, it is characterised in that: and No. 1 strip clamping and conveying device includes pedestal,
Column is fixedly installed on the pedestal, the top of the column is hingedly equipped with counter-jib, one end rotation of the counter-jib
The drive roll being driven by motor is installed, the first hydraulic cylinder, institute are equipped between the other end of the counter-jib and the column
It states and is rotatably equipped with a driven voller on column, the driven voller is corresponding with the drive roll position；With the driven voller position
Trailing arm is hingedly installed, the trailing arm has the support face of support steel band, the trailing arm and pedestal on the corresponding column
Between be equipped with the second hydraulic cylinder.
2. metal coiled material color coating process units as described in claim 1, it is characterised in that: with No. 1 strip decoiling equipment,
No. 1 strip clamping and conveying device and No. 1 strip entrance shear parallel side-by-side are equipped with No. 2 strip decoiling equipments, No. 2 strips pinch dress
Set with No. 2 strip entrance shears, No. 1 strip entrance shear and No. 2 strip entrance shears are in the remittance
It closes and converges at clamping and conveying device.
3. metal coiled material color coating process units as described in claim 1, it is characterised in that: the infrared radiation heating device packet
Fixed frame, the upper mounting rack and lower mounting rack being oppositely arranged up and down in the fixed frame are included, steel band is located at the upper installation
It being conveyed between frame and lower mounting rack, the upper mounting rack and adjacent two surfaces of lower mounting rack are mounted on several infrared lamps,
The extending direction of the infrared lamp and the conveying direction of steel band are vertical.
4. metal coiled material color coating process units as claimed in claim 3, it is characterised in that: the upper mounting rack and lower mounting rack
It is equipped with guard pins between the upper two adjacent infrared lamps, the guard pins are perpendicular to the upper mounting rack or lower mounting rack
Surface, the end of the guard pins are less than the distance of the infrared lamp to steel strip surface to the distance of steel strip surface.
5. the metal coiled material color coating process units as described in claim 2,3 or 4, it is characterised in that: strong cold charge after the solidification
It sets including horizontally disposed cooler bin, the both ends of the cooler bin are respectively equipped with forward (FWD) mouth and band outlet, close to the forward (FWD) mouth
The cooler bin in be equipped with spray metal coiled material powder coating the first spray tube, the downstream of first spray tube is equipped with
Spray second spray tube on two surfaces of metal coiled material respectively, first spray tube and the second spray tube with cooling water pipe phase
Connection；It is equipped with the third spray tube on spray two surfaces of metal coiled material in the cooler bin of the band outlet, described the
Three spray tubes connect liquid nitrogen pipe；The bottom of the cooler bin is equipped with waste collection mouth, and the top of the cooler bin is received equipped with exhaust gas
Ji Kou.
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| CN107344158A (en) * | 2017-08-08 | 2017-11-14 | 重庆交通大学 | EVA hot-melt adhesive coiled material is coated with manufacturing equipment |
| CN110385240A (en) * | 2019-08-01 | 2019-10-29 | 中冶京诚工程技术有限公司 | Metal coil powder spraying method and spraying production system |
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| CN201057496Y (en) * | 2007-04-05 | 2008-05-07 | 佛山市顺德区铁业实业有限公司 | Hot oven |
| CN204866438U (en) * | 2015-07-08 | 2015-12-16 | 青岛澳丽森建材有限公司 | Anticorrosive various steel sheet production line |
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