CN105881032A - Color coating production method and production device for steel plates - Google Patents
Color coating production method and production device for steel plates Download PDFInfo
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- CN105881032A CN105881032A CN201610203885.4A CN201610203885A CN105881032A CN 105881032 A CN105881032 A CN 105881032A CN 201610203885 A CN201610203885 A CN 201610203885A CN 105881032 A CN105881032 A CN 105881032A
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- strip
- coating
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- steel band
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/586—No clear coat specified each layer being cured, at least partially, separately
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
Abstract
The invention discloses a color coating production method for steel plates. The method comprises the steps of (1a), No.1 belt material unwinding; (2a), No.1 belt material clamping feeding; (3a), No.1 belt material inlet shearing; (4) integral clamping feeding; (5) riveting; (6) flattening; (7) inlet looping; (8) degreasing; (9) water washing; (10) chemical coating; (11) chemical coating drying; (12) primary coating; (13) primary coating curing; (14) primary coating forced cooling; (15) roundabout air cooling; (16) finish coating; (17) finish coating curing; (18) finished coating forced cooling; (19) outlet looping; (20) cold film coating; (21) clamping feeding before shearing; (22) discharge shearing; (23) collection clamping feeding; and (24) winding. The invention further provides a production device for implementing the method. Through utilizing the method and the device, the coating technology of replacing paint through powder can be achieved, the environment is improved, the production efficiency of colored steel is improved, and the method and the device can be widely applied to color coating of steel plates and have good industrial production prospect and application potential.
Description
Technical field
The invention mainly relates to a kind of steel plate coating coating method and device, relate more particularly to a kind of steel plate color-coating raw
Product method and process units, belong to steel plate color-coating technical field.
Background technology
During steel plate color-coating processing, need the coating material containing organic solvent to be applied to steel plate
On band, process through follow-up dry, consolidation etc., the most just can produce the figuratum strip of steel plate of band,
Can apply in the numerous areas such as building construction, various electrical equipment.
At present, domestic color steel industry has been equipped with thousands of paint line of spraying paint, but these applications
Production line all uses traditional circulating air heating drying tunnel, described drying tunnel length 40-60 rice, heating region temperature
It is divided into 4 regions: 1 220 DEG C of district, 320 DEG C of 2nd district, 330 DEG C of 3rd district and 240 DEG C of 4th district；Used in it
Paint in usually contain the hazardous solvent (such as benzene, ketone etc.) that volume content is more than 60%, they release
VOC (volatile organic matter) is very big to human health damage, and environmental pollution is serious simultaneously.
In order to make improvements, people have carried out substantial amounts of further investigation, and achieve some useful changing
Enter, such as:
Chinese utility model patent CN201020229817.3 discloses a kind of color coating line, its technological process
For: above roll up dolly → uncoiler → uncoiling pinch roll → entrance plate shearing machine → turning, clamping and conveying roller → convergence pinch roll
→ double sewing machine → Burr removing roller → 1# tensioner → entry loop → deviation correcting device → 2# tensioner → pre-
Clean device → brushing device → alkali water washing device → 1# water washing device → 2# water washing device → hot-air drier
→ verticalization painting machine → vertical curing oven → 3# tensioner → deviation correcting device → rendering roller coating device → rendering is solid
Change stove → quenching cooling apparatus → cold air drying device →-tensioner → deviation correcting device → printing device → essence and be coated with solid
Change stove → 2# essence and be coated with roller coating device → finish oven → hot film covering device → quenching cooling apparatus → cold air drying
Device → 5# tensioner → vertical outlet looping device → deviation correcting device → 6# tensioner → pinch roll apparatus → go out
Mouth plate shearing machine → outlet pinch roll → coiling machine → coil stripping car, by the use of this paint line, permissible
Realize indirectly being heating and curing stove, thus avoid plate face and be contaminated.
Chinese utility model patent CN201220425278.X discloses a kind of Multifunctional color coating line, described
Production line is sequentially connected with by following equipment: feeding cart, uncoiler, pinch machine, cutter, sewing machine,
1# tensioning device, front kink, 2# tensioning device, 1# transducer, chemical pre-defat section, roller brush machine, clear water hydro-peening
Device, hot-air drying unit, change be coated with machine, change be coated with drying oven, Air cooler, slewing rollers device, base coating machine,
Primary coat curing oven, primary coat air-cooled with water cooling plant, slewing rollers device, 1# topcoating machine, 1# topcoating curing oven,
1# topcoating is air-cooled with water cooling plant, slewing rollers device, 2# transducer, slewing rollers device, 2# topcoating machine, 2#
Topcoating curing oven, 2# topcoating air-cooled with water cooling plant, 3# tensioning device, slewing rollers device, double roller transducer,
Embossing machine, printing machine, coating machine, coating curing oven, hot overlay film unit, air-cooled open with water cooling plant, 4#
Tight machine, rear kink, 5# tensioning device, cutter, turning, clamping and conveying machine, rolling unit, dump car；This is raw
Product line can be implemented in and completes kinds of processes on a production line, has good production versatility and universality.
But, country expressly provided use solvent-based paints must take strict environmental conservation and waste water,
The treatment measures up to standard of waste gas, have put into effect the most again using such coating add the consumption tax and strictly control to make
Behave, this undoubtedly give relevant enterprise bring huge production cost rising pressure.
In order to overcome drawbacks described above, abroad have been developed for color steel powder coating production line, and obtain
Actual application.Use powdery paints to replace solvent-based paints application color steel, not only have and solve environmental protection
Absolute advantages, also have enhance product performance, energy-conservation, economize on resources and reduce many benefits of cost.
But, another aspect, powder coating color steel technology also exists two technological difficulties: 1, need to solve
Certainly " big powder amount electrostatic dusting technology "；2, need to solve the color steel surface powder that quickly (25-100m/min) runs
The rapid solidification techniques of end coating.The two technological difficulties are also two key points that color steel realizes high speed application,
It is the key factor that ensured of high speed application, how to solve two above key technical problem, the most tired
Disturb the technical barrier of each big manufacturer.
Therefore, for developing a kind of new steel plate color-coating production method and process units, not only have urgent
Researching value, it may have good economic benefit and commercial Application potentiality, this just the present invention be accomplished
Power place and basis are leaned on.
Summary of the invention
In order to overcome existing steel plate color-coating production method as indicated above and the defect of process units, and seek
The steel plate color-coating production method of type of looking for novelty and process units, this is conducted in-depth research by the present inventor, is paying
After having gone out a large amount of creative work, thus complete the present invention.
Specifically, the technical problem to be solved is: provide a kind of steel plate color-coating production method and
Process units, described production method is by specific technological process etc., it is achieved thereby that the application of " with powder generation paint "
Technology, improves environment, improves the production efficiency of color steel, has good environment friendly and person peace
Quan Xing.
For solving above-mentioned technical problem, the technical scheme is that a kind of steel plate color-coating production method of offer,
Described steel plate color-coating production method comprises the following production steps that (1a) No. 1 strip uncoiling: use uncoiler, will
No. 1 steel band material volume gradually spreads out, and obtains No. 1 strip；(2a) No. 1 strip pinches: use clamping and conveying device by 1
Number steel band downstream transport；(3a) No. 1 strip entrance is sheared；(4) converge and pinch；(5) riveting；(6) flatten；
(7) entry loop；(8) defat；(9) washing；(10) painting is changed；(11) change painting to dry；(12) rendering:
Steel strip surface dusty spray coating；(13) rendering solidification: carry out at powder coating solidification in prime oven
Reason；(14) rendering is the coldest；(15) roundabout air cooling: steel band is exported cooling rear steering by the afterbody of prime oven
It is delivered to the stem import of finish oven, cools down in the outside of prime oven；(16) essence is coated with:
Steel strip surface implements electrostatic powder coating；(17) essence is coated with solidification: carry out powder coating in finish oven solid
Change processes；(18) essence is coated with the coldest；(19) outlet looping；(20) cold overlay film；(21) pinch before cutting；(22) go out
Material is sheared；(23) rewinding pinches；(24) rolling.
In the described steel plate color-coating production method of the present invention, as the preferred technical scheme of one, also include (1b)
No. 2 steel band material volumes are gradually spread out, obtain No. 2 strips by No. 2 strip uncoilings: use uncoiler；(2b)2
Number strip pinches: use pinch mechanism by No. 2 steel band downstream transport；(3b) No. 2 strip entrances are sheared.
Wherein, described No. 1 strip be arranged in parallel with No. 2 strips, and No. 1 strip and No. 2 strips are in step (4)
Converge, the most downstream pinch.Namely: step (1a)-(3a) be arranged in parallel with step (1b)-(3b), and then one
Rise and converge, carry out step (4) and the processing of subsequent step, will also recognize that and inerrably record and express in fig. 1.
In the described steel plate color-coating production method of the present invention, as the preferred technical scheme of one, in step (13)
With in step (17), described prime oven and finish oven are equipped with the circulating air of 260 DEG C, and position
Entrance location in described prime oven and finish oven is equipped with near-infrared (NIR) irradiated heat device.
For solving above-mentioned technical problem and completing said method, invention additionally discloses and provide a kind of steel plate
Color coating process units, described process units includes that set gradually No. 1 strip decoiling equipment, No. 1 strip pinch
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 be coated with machine, change be coated with drying unit, rendering machine, prime oven,
The strong device for cooling of rendering, roundabout air cooling device, essence painting machine, finish oven, essence are coated with strong device for cooling, outlet is lived
Covering device, cold film covering device, cut front clamping and conveying device, discharging shear, rewinding clamping and conveying device and rolling dress
Put.
In the described steel plate color-coating process units of the present invention, as the preferred technical scheme of one, with described 1
Number strip decoiling equipment, No. 1 strip clamping and conveying device and No. 1 strip entrance shear parallel side-by-side are provided with No. 2
Strip decoiling equipment, No. 2 strip clamping and conveying devices and No. 2 strip entrance shears, described No. 1 strip entrance
Shear and No. 2 strip entrance shears converged at clamping and conveying device in described converging.
This setting can also be found out realizingly from accompanying drawing 1 and be expressed.
In the described steel plate color-coating process units of the present invention, as the preferred technical scheme of one, described at the beginning of
It is coated with in curing oven and finish oven the circulating air being equipped with 260 DEG C, and is positioned at described prime oven and essence
The entrance location being coated with curing oven is equipped with near-infrared (NIR) irradiated heat device.
In the described steel plate color-coating process units of the present invention, as the preferred technical scheme of one, described closely
Infrared (NIR) irradiated heat device includes fixed frame, the upper installation being oppositely arranged up and down in described fixed frame
Frame and lower installing rack, steel band on described between installing rack and lower installing rack carry, described upper installing rack and
Two surfaces that lower installing rack is adjacent are mounted on some near-infrared lamps, the bearing of trend of described near-infrared lamp with
The conveying direction of steel band is vertical.
Wherein, the quantity of described near-infrared lamp can be raw according to reality after reading technical scheme
Product demand is reasonably arranged, and this is the ability that those skilled in the art should possess after reading the present invention,
No longer it is described in detail at this.
In the described steel plate color-coating process units of the present invention, as the preferred technical scheme of one, described on
Being provided with guard pins between near-infrared lamp described in adjacent two on installing rack and lower installing rack, described guard pins is vertical
In described upper installing rack or the surface of lower installing rack, the distance of the end of described guard pins to steel strip surface is less than
Described near-infrared lamp is to the distance of steel strip surface.
In the described steel plate color-coating process units of the present invention, as the preferred technical scheme of one, described 1
Number strip clamping and conveying device includes base, and described base is installed with column, and the top of described column is hinged
Being provided with counter-jib, one end of described counter-jib is rotatablely equipped with by the drive roll of driven by servomotor, described
It is provided with the first hydraulic jack between the other end and the described column of counter-jib, described column is rotatablely equipped with one
Driven voller, described driven voller is corresponding with described drive roll position；The institute corresponding with described driven voller position
Stating the hinged trailing arm that is provided with on column, described trailing arm has the support face of support steel band, described trailing arm and base
Between be provided with the second hydraulic jack.
In the described steel plate color-coating process units of the present invention, as the preferred technical scheme of one, described at the beginning of
Being coated with strong device for cooling and essence is coated with strong device for cooling and all includes horizontally disposed cooler bin, the two ends of described cooler bin are respectively
It is provided with forward (FWD) mouth and band outlet, in the described cooler bin of described forward (FWD) mouth, is provided with powder on spray steel band is coated with
First shower of layer, the downstream of described first shower is provided with second spray on spray two surfaces of steel band respectively
Shower pipe, described first shower and the second shower are all connected with cooling water pipe；Near described band outlet
Be provided with in described cooler bin spray two surfaces of steel band the 3rd shower, described 3rd shower connect liquid
Nitrogen pipe；The bottom of described cooler bin is provided with waste collection mouth, and the top of described cooler bin is provided with gas sampling mouth.
As it has been described above, the invention provides a kind of steel plate color-coating production method and steel plate color-coating process units, logical
Cross the use of the method and/or process units, many beneficial effects can be obtained, thus overcome in prior art
Many technological deficiencies, such as, achieve following beneficial effect:
(1) after employing near-infrared nonstorage calorifier of the present invention transformation color steel circulating air drying tunnel,
Can help color steel oil paint coating enterprise realize " with powder generation paint " to the purpose of high-end application techniques fast transformation,
The technical characterstic of the present invention is improved circulating air drying tunnel (prime oven and the drying tunnel of finish oven),
Color steel surface powder coating is carried out the heat treated of the entirely different mode of continuous quadratic, makes high-speed cruising shape
Powdery paints under state can fully be solidified, and can guarantee that again the requirement of appearance of film and quality, skill of the present invention
Art gets up the advantage perfect adaptation of near infrared technology with circulating air technology, utilizes near infrared technology quickly to add
Thermal property, is rapidly heated the steel band at near-infrared nonstorage calorifier irradiation zone, and makes its surface powder
The most molten gentle local solidification in end, then completes the perfect solidification of film by drying tunnel hot blast, and both is different
The heating of mode compensate for deficiency each other.
(2) the technology of the present invention effectively utilizes the existing drying tunnel of oil paint coating production line, implements to be transformed into be applicable to powder
The end quick-setting heating drying tunnel of coating, takes full advantage of existing equipment, greatly reduces cost of investment, keep away
Exempt from waste, used the technology of the present invention to produce the color steel of coating powder coating, long-standing problem row can be solved
The Heavy environmental pollution of industry and the problem wrecking operator's physical and mental health, be inherently eliminated the product of VOC
Raw, for country, save a large amount of organic solvent, thus obtained and economize on resources and the positive effect of the energy,
And color steel can be promoted to powder coating high-end technology fast transformation, the environment solving long-standing problem industry is dirty
Dye problem.
(3) owing to being provided with guard pins between two near-infrared lamps, it is to avoid steel band is in operation fluctuating to near-infrared lamp
Damage, extend the service life of near-infrared lamp.
(4) due to hinged on the column corresponding with driven voller position, trailing arm is installed, further increases actively
Roller and the driven voller transfer efficiency to steel band, it is to avoid steel band bends when conveying, and then improves spray
It is coated with effect and production efficiency.
(5) due in cooler bin conveying direction along steel band set gradually the first shower, the second shower
It is water cooling with the 3rd shower, the first shower and the second shower, high-temperature steel belt is carried out at pre-cooling
Reason, and the 3rd shower is liquid nitrogen cooling, steel band can carry out rapid cooling process, be arranged so as to a side
Face reduces the thermal stress of steel band, on the other hand reduces the rapid cooling destruction to powder coating, improves
The spraying effect of steel plate.
As it has been described above, the invention provides a kind of steel plate color-coating production method and steel plate color-coating process units, logical
Cross the use of described method and apparatus, many beneficial effects can be obtained, overcome of the prior art many
Defect, industrially has a good application prospect and productive potentialities, and has good and huge economy
It is worth.
Accompanying drawing explanation
Fig. 1 is the process frame chart of the embodiment of the present invention one；
Fig. 2 is the structural representation of near infrared irradiation heater in the embodiment of the present invention two；
Fig. 3 is the structural representation of No. 1 strip clamping and conveying device in the embodiment of the present invention two；
Fig. 4 is the structural representation of tension balance device in the embodiment of the present invention two；
Fig. 5 is the structural representation that in the embodiment of the present invention two, essence is coated with strong device for cooling.
Wherein, in Fig. 1 to Fig. 5, each number designation refer to respectively following concrete meaning, element and/
Or parts.
In figure: 1, near infrared irradiation heater, 101, fixed frame, 102, upper installing rack, 103,
Lower installing rack, 104, near-infrared lamp, 105, guard pins, 2, steel band, 3, No. 1 strip clamping and conveying device, 301,
Base, 302, column, 303, counter-jib, 304, drive roll, 305, driven voller, the 306, first hydraulic pressure
Oil cylinder, the 307, second hydraulic jack, 308, trailing arm, 309, support face, 4, tension balance device, 401,
Support seat, 402, gantry beam, the 403, first jockey pulley, the 404, second jockey pulley, the 405, the 3rd tension force
Roller, the 406, the 4th jockey pulley, 407, roll force, 408, crank arm, 409, cylinder, 410, adjust arm,
411, pressure roller, 5, essence be coated with strong device for cooling, 501, cooler bin, 502, forward (FWD) mouth, 503, band outlet, 504,
First shower, the 505, second shower, the 506, the 3rd shower, 507, cooling water pipe, 508, liquid
Nitrogen pipe, 509, gas sampling mouth, 510, waste collection mouth, 6, correcting unit, 601, frame, 602,
Lower die, the 603, the 3rd hydraulic jack, 604, slide, 605, upper die.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.But the purposes of these exemplary embodiments
Only it is used for purpose enumerating the present invention, not the real protection scope of the present invention is constituted any type of any
Limit, more non-protection scope of the present invention is confined to this.
Embodiment one
As it is shown in figure 1, the invention provides a kind of steel plate color-coating production method, described steel plate color-coating producer
Method mainly comprises the following production steps that (1a) No. 1 strip uncoiling, uses uncoiler, by No. 1 steel band material volume by
Gradually launch；(2a) No. 1 strip pinches, and uses clamping and conveying device by No. 1 steel band downstream transport；(3a) No. 1 band
Material entrance is sheared；(1b) No. 2 strip uncoilings, use uncoiler, are gradually spread out by No. 2 steel band material volumes；(2b)2
Number strip pinches, and uses pinch mechanism by No. 2 steel band downstream transport；(3b) No. 2 strip entrances are sheared；(4)
Converging and pinch, No. 1 strip and No. 2 strips carry toward downstream jointly；(5) riveting, uses riveting welder by No. 1
Strip and No. 2 strips combine, in order in finishing operations, No. 1 strip and No. 2 strips synchronize；(6) pressure
Flat, use roller press mechanism by smooth to No. 1 strip and No. 2 strip pressings；(7) entry loop；(8) defat；
(9) washing；(10) changing painting, useization painting machine carries out preliminary treatment to steel strip surface；(11) change painting to dry；(12)
Rendering, in steel strip surface dusty spray coating；(13) rendering solidification, carries out powder painting in prime oven
Layer cured；(14) rendering is the coldest；(15) roundabout air cooling, steel band is exported cold by the afterbody of prime oven
But rear steering is delivered to the stem import of prime oven, cools down in the outside of prime oven；(16) essence
It is coated with, implements electrostatic powder coating in steel strip surface；(17) essence is coated with solidification, carries out powder in finish oven
Curing of coatings processes；(18) essence is coated with the coldest；(19) outlet looping；(20) cold overlay film, at room temperature or less than often
Under temperature state, the steel strip surface scribbling powder coating is covered with protecting film；(21) pinch before cutting；(22) discharging
Shear；(23) rewinding pinches；(24) rolling.
Wherein, described No. 1 strip be arranged in parallel with No. 2 strips, and No. 1 strip and No. 2 strips are in step (4)
Converge, the most downstream pinch.Namely: step (1a)-(3a) be arranged in parallel with step (1b)-(3b), and then one
Rise and converge, carry out step (4) and the processing of subsequent step.By being arranged such, it is possible to achieve the bilayer of strip
Arrange, thus spray to double-deck strip simultaneously 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,
This repeats no more.
Wherein, prime oven be arranged over finish oven, its bearing of trend is consistent, and is spaced and sets
Put, therefore, after step (14), carry out step (15) roundabout air cooling, it is possible to reduce the occupation of land face of production line
Long-pending, improve land utilization ratio, simultaneously when carrying out step (16), (17), (18), it is simple to use identical money
Source, decreases the laying of pipeline, reduces equipment cost.
Wherein, in step (13) and step (17), prime oven and finish oven are equipped with 260 DEG C
Circulating air, and the entrance location being positioned at prime oven and finish oven is equipped with near infrared irradiation and adds
Thermal, this near infrared irradiation heater is generally spaced and arranges several, as spacing distance, this area
Technical staff can be in this no limit according to the transporting velocity sets itself of strip.Here, need explanation
, near infrared irradiation belongs near infrared irradiation, and its wavelength is between 0.8-1.5 μm, and irradiation ray is concentrated,
Irradiation energy is the highest, it is demonstrated experimentally that combine the circulating air of 260 DEG C, irradiated heat 5-10 second can
Make powdery paints fast setting.Therefore, it can meet the needs of high-speed production, follow with 330 DEG C of traditional hot blasts
Ring compares, and curing rate of the present invention is fast, and can realize the high speed conveying of strip, improves production effect
Rate, reduces production cost, decreases the energy and uses.
Wherein, step (19), (20), (21), (22), (23), (24) are also general procedure in existing production,
Do not repeat them here.
Embodiment two
As Fig. 1 to Fig. 5 jointly shown in, present invention also offers a kind of steel plate color-coating process units, described steel
No. 1 strip decoiling equipment that plate color coating process units mainly includes setting 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 painting drying unit, rendering machine, prime oven, rendering are strong
Device for cooling, roundabout air cooling device, essence painting machine, finish oven, essence be coated with strong device for cooling 5, outlet looping device,
Cold film covering device, cut front clamping and conveying device, discharging shear, rewinding clamping and conveying device and wrap-up.
Wherein, dress is sheared with described No. 1 strip decoiling equipment, No. 1 strip clamping and conveying device and No. 1 strip entrance
Put parallel side-by-side and be provided with No. 2 strip decoiling equipments, No. 2 strip clamping and conveying devices and No. 2 strip entrance shears,
Described No. 1 strip entrance shear and No. 2 strip entrance shears converged at clamping and conveying device in described converging
Close.
Wherein, various strip decoiling equipments, various strip entrance shear, riveting set, pressuring flat device,
Entry loop device, degreasing plant, water washing device, change are coated with machine, change painting drying unit, rendering machine, rendering
Curing oven, essence painting machine, finish oven, outlet looping device, cold film covering device, discharging shear and
Wrap-up is common equipment in existing production, does not repeats them here.
It should be noted that in the present invention, finish oven is arranged on the top of prime oven, its
Bearing of trend is consistent, and is spaced setting, so arranges the floor space being possible not only to reduce production line, carries
High land utilization ratio, is also convenient for being coated with in curing process in rendering solidification and essence using identical resource simultaneously,
Decrease the laying of pipeline, reduce equipment cost.Roundabout air cooling device includes being arranged on the strong device for cooling of rendering
First guide roller of afterbody, steel band 2 is imported by the first guide roller, and steel band 2 is gone out by the afterbody of prime oven
Mouth turns to the stem import being delivered to finish oven, cools down in the outside of prime oven.
Wherein, prime oven and finish oven are equipped with the circulating air of 260 DEG C, and it is solid to be positioned at rendering
The entrance location changing stove and finish oven is equipped with near infrared irradiation heater 1, and this near infrared irradiation heats
Device 1 is generally spaced and arranges several, and as spacing distance, those skilled in the art can be according to strip
Transporting velocity sets itself, in this no limit.Here, it is to be appreciated that NIR irradiation belongs to near-infrared spoke
According to, its wavelength is between 0.8-1.5 μm, and irradiation ray is concentrated, and irradiation energy is the highest, it is demonstrated experimentally that spoke
Powdery paints fast setting within 5-10 second, can be made, thereafter in drying tunnel 250～260 DEG C high of steel plate according to heating
Warm area section heats about 40 seconds, is sufficiently complete the solidification of powdery paints and obtains the film that quality is up to standard, therefore,
Can meet the needs of high-speed production, compared with 330 DEG C of traditional hot air circulation, curing rate of the present invention is fast,
And the high speed conveying of strip can be realized, improve production efficiency, reduce production cost, decrease
The energy uses.Actual production effect shows, the powder on steel band 2 surface is near infrared irradiation heater 1
The rapid gentle primary solidification of melt-flow under irradiation, the temperature of steel band 2 is quickly ramped up to more than 200 DEG C simultaneously, steel band
The 2 260 DEG C of high-temperature regions subsequently entering hot blast drying tunnel, make powder coat the most fully solidify and guarantee that film is not
Produce the quality drawback of outward appearance.
As in figure 2 it is shown, described near infrared irradiation heater 1 includes fixed frame 101, fixed frame 101
The upper installing rack 102 being oppositely arranged the most up and down and lower installing rack 103, steel band 2 be positioned at installing rack 102 with under
Two surfaces that between installing rack 103, conveying, upper installing rack 102 and lower installing rack 103 are adjacent are mounted on
Some near-infrared lamps 104, the bearing of trend of near-infrared lamp 104 is vertical with the conveying direction of steel band 2.
It is provided with guard pins 105 between two near-infrared lamps 104 adjacent on upper installing rack 102 and lower installing rack 103,
Guard pins 105 is perpendicular to installing rack 102 or the surface of lower installing rack 103, and the end of guard pins 105 is extremely
The distance on steel band 2 surface is less than the distance on NIR near-infrared lamp 104 to steel band 2 surface.
As it is shown on figure 3, No. 1 strip clamping and conveying device 3 includes base 301, base 301 is installed with vertical
Post 302, the hinged counter-jib 303 that is provided with in the top of column 302, one end of counter-jib 303 is rotatablely equipped with
By the drive roll 304 of driven by servomotor, between the other end and the column 302 of counter-jib 303, it is provided with the first liquid
Compressing cylinder 306, the cylinder body of the first hydraulic jack 306 is hingedly mounted on column 302, the first hydraulic jack
The piston rod of 306 is hinged on counter-jib 303, and column 302 is rotatablely equipped with a driven voller 305, driven
Roller 305 is corresponding with drive roll 304 position, drives counter-jib 303 to depress by the first hydraulic jack 306
Or rise, during pressure, steel band 2 is carried, during rise, then stop conveying；In order to improve drive roll 304
With the driven voller 305 transfer efficiency to steel band 2, it is to avoid steel band 2 bends, with driven voller when conveying
The hinged trailing arm 308 that is provided with on the column 302 that 305 positions are corresponding, trailing arm 308 has support steel band 2
Support face 309, is provided with the second hydraulic jack 307, the second hydraulic jack 307 between trailing arm 308 and base 301
Cylinder body be hingedly mounted on base 301, the piston rod of the second hydraulic jack 307 is hingedly mounted on trailing arm 308
On.
In the present invention, No. 2 strip clamping and conveying devices, converge clamping and conveying device, cut front clamping and conveying device and rewinding pinches dress
The effect put is toward downstream conveyor belt material, therefore, in order to avoid strip bending deformation, these clamping and conveying devices
Structure all with reference to No. 1 strip clamping and conveying device 3.
As it is shown in figure 5, the strong device for cooling of rendering and essence are coated with strong device for cooling 5 all includes horizontally disposed cooler bin 501,
Cooler bin 501 be respectively arranged at two ends with forward (FWD) mouth 502 and band outlet 503, near the cooler bin of forward (FWD) mouth 502
It is provided with the first shower 504 of powder coating on spray steel band 2 in 501, first powder coating is sprayed
Cooling, if monolayer steel band 2, the most only arranges side spray, if double-deck steel band, then needs to arrange two
Side spray is drenched, and the upper and lower surface at steel band 2 respectively arranges the first shower 504, and the downstream of the first shower 504 sets
There is the second shower 505 spraying 2 two surfaces of steel band respectively, further cooling steel band 2, the first shower
504 are all connected with cooling water pipe 507 with the second shower 505；Cooler bin 501 near band outlet 503
Inside be provided with spray 2 two surfaces of steel band the 3rd shower 506, the 3rd shower 506 connects liquid nitrogen pipe
508, it is possible to achieve quickly cooling of steel band 2, so can shorten the length of cooler bin 501；Cooling
The bottom of case 501 is provided with waste collection mouth 510, and the top of cooler bin 501 is provided with gas sampling mouth 509, cold
But the condensed water after water and liquid nitrogen distil can be collected by waste collection mouth 510 and be reclaimed, and liquid nitrogen distillation
Gas and water vapour can be collected by gas sampling mouth 509 and be reclaimed, decrease discharge.
The downstream being coated with strong device for cooling 5 in essence generally arranges correcting unit 6, and correcting unit 6 includes frame 601,
It is rotatablely equipped with lower die 602 in frame 601, the frame 601 relative with lower die 602 position is vertically slided
Move and the slide 604 driven by the 3rd hydraulic jack 603 is installed, slide 604 is rotatablely equipped with by servo electricity
The upper die 605 that machine drives, during duty, the piston rod of the 3rd hydraulic jack 603 stretches out, and drives slide
604 glide, and servomotor drives upper die 605 to rotate, and goes up die 605 simultaneously and steel band 2 is pressed in lower die
On 602, the length of upper die 605 and lower die 602 is suitable with the width of steel band 2, and upper die
605 and the two ends of lower die 602 be disposed as taper, on the one hand can quickly eliminate steel band 2 and be coated with the coldest in essence
During the thermal stress that produces, on the other hand can be by the steel by upper die 605 with lower die 602 gap
Band 2 correction, generally sets gradually two groups of correcting units 6 according to the conveying direction of steel band 2, further increases
Production efficiency.
In order to adapt to the needs of high-speed production, strip needs to be in tensioning state in course of conveying, is being up to
On the production line of nearly 200 meters, the tensioning of strip to be realized is an extremely difficult thing, as this
Another bright inventive point, inventor have studied a set of tension balance device 4, and this set tension balance device 4 sets
Put the following several positions at production line, be respectively provided with this equalization of strain a set of at entry loop device front and back position
Device 4, arranged this tension balance device 4 a set of, at the strong device for cooling of rendering before steel band 2 enters rendering machine
This tension balance device 4 a set of is set afterwards, this equalization of strain a set of dress is set after essence is coated with strong device for cooling 5
Put 4, this tension balance device 4 a set of is set after outlet looping device, so can effectively solve steel band
The 2 tensioning problems in whole course of conveying.As shown in Figure 4, this tension balance device 4 includes supporting seat
401, support be arranged in sequence with on seat 401 equal diameters first jockey pulley the 403, second jockey pulley 404,
3rd jockey pulley 405 and the 4th jockey pulley 406, first jockey pulley the 403, second jockey pulley 404, the 3rd
The centerline parallel of power roller 405 and the 4th jockey pulley 406 arranges and is all rotatably installed in support by bearing block
On seat 401, wherein the axial location of the second jockey pulley 404 and the 3rd jockey pulley 405 is higher than the first jockey pulley
403 and the 4th axial location of jockey pulley 406, every jockey pulley is mounted on a roll force 407, force
Roller 407 rotates and is installed on one and cranks arm on 408, and 408 one end of cranking arm are hinged on support seat 401, the other end
Being connected with a cylinder 409, steel band 2 is pressed on the surface of jockey pulley by roll force 407, supports seat 401
Be provided with gantry beam 402, gantry beam 402 between the second jockey pulley 404 and the 3rd jockey pulley 405, gantry
Being hinged with an adjustment arm 410 on beam 402, the two ends adjusting arm 410 are rotatablely equipped with a pressure roller 411 respectively,
Two pressure rollers 411 are press respectively against on the second jockey pulley 404 and the 3rd jockey pulley 405.During use, steel band 2 is first
It is introduced into the second jockey pulley 404, then pile warp the first jockey pulley 403 and the 4th jockey pulley 406, by the 3rd
Power roller 405 exports, and when the tension force of gantry beam 402 both sides steel band 2 changes, adjusting arm 410 will
Swinging therewith, pressure roller 411 just presses to the side that tension force is little, produces tensile force, and roll force 407 is then according to need
To adjust position in advance, on the one hand can ensure that the steel band 2 cornerite on jockey pulley, the most permissible
Applying tensile force in advance steel band 2, pressure roller 411 plays the effect adjusting tensile force at any time in the course of the work,
It is a quick condition, the most well solves the steel band 2 tension variation in course of conveying, it is ensured that
Spraying effect and production efficiency.
Should be appreciated that the purposes of these embodiments is merely to illustrate the present invention and is not intended to limit the guarantor of the present invention
Protect scope.Additionally, it will also be appreciated that after the technology contents having read the present invention, those skilled in the art can
So that the present invention to make various change, amendment and/or modification, all these equivalent form of value falls within the application equally
Within the protection domain that appended claims is limited.
Claims (10)
1. a steel plate color-coating production method, described steel plate color-coating production method comprises the following production steps that (1a)
No. 1 strip uncoiling: use uncoiler, gradually spreads out No. 1 steel band material volume, obtains No. 1 strip；(2a)1
Number strip pinches: use clamping and conveying device by No. 1 steel band downstream transport；(3a) No. 1 strip entrance is sheared；(4)
Converge and pinch；(5) riveting；(6) flatten；(7) entry loop；(8) defat；(9) washing；(10) painting is changed；
(11) change painting to dry；(12) rendering: in steel strip surface dusty spray coating；(13) rendering solidification: at rendering
Curing oven carries out powder coating cured；(14) rendering is the coldest；(15) roundabout air cooling: steel band is by rendering
The afterbody outlet cooling rear steering of curing oven is delivered to the stem import of finish oven, at prime oven
Outside cools down；(16) essence is coated with: implement electrostatic powder coating in steel strip surface；(17) essence is coated with solidification:
Finish oven carries out powder coating cured；(18) essence is coated with the coldest；(19) outlet looping；(20) cold
Overlay film；(21) pinch before cutting；(22) discharging is sheared；(23) rewinding pinches；(24) rolling.
2. steel plate color-coating production method as claimed in claim 1, it is characterised in that: also include (1b) No. 2 bands
No. 2 steel band material volumes are gradually spread out, obtain No. 2 strips by material uncoiling: use uncoiler；(2b) No. 2 strips
Pinch: use pinch mechanism by No. 2 steel band downstream transport；(3b) No. 2 strip entrances are sheared；
Wherein, described No. 1 strip be arranged in parallel with No. 2 strips, and No. 1 strip and No. 2 strips are in step (4)
Converge, the most downstream pinch.
3. steel plate color-coating production method as claimed in claim 1 or 2, it is characterised in that: in step (13)
With in step (17), described prime oven and finish oven are equipped with the circulating air of 260 DEG C, and position
Entrance location in described prime oven and finish oven is equipped with near-infrared (NIR) irradiated heat device.
4. a steel plate color-coating process units, described process units includes No. 1 strip uncoiling dress set gradually
Put, No. 1 strip clamping and conveying device, No. 1 strip entrance shear, converge clamping and conveying device, riveting set, pressure
Leveling device, entry loop device, degreasing plant, water washing device, change are coated with machine, change painting drying unit, rendering
The strong device for cooling of machine, prime oven, rendering, roundabout air cooling device, essence painting machine, finish oven, essence are coated with
Strong device for cooling, outlet looping device, cold film covering device, cut front clamping and conveying device, discharging shear, rewinding
Clamping and conveying device and wrap-up.
5. steel plate color-coating process units as claimed in claim 4, it is characterised in that: with described No. 1 strip
Decoiling equipment, No. 1 strip clamping and conveying device and No. 1 strip entrance shear parallel side-by-side are provided with No. 2 strips and open
Winding apparatus, No. 2 strip clamping and conveying devices and No. 2 strip entrance shears, described No. 1 strip entrance shears dress
Put and converge at clamping and conveying device in described converging with No. 2 strip entrance shears.
6. the steel plate color-coating process units as described in claim 4 or 5, it is characterised in that: described rendering is solid
Change the circulating air being equipped with 260 DEG C in stove and finish oven, and it is solid with essence painting to be positioned at described prime oven
The entrance location changing stove is equipped with near-infrared (NIR) irradiated heat device.
7. the steel plate color-coating process units as described in any one of claim 4-6, it is characterised in that: described closely
Infrared (NIR) irradiated heat device includes fixed frame, the upper installation being oppositely arranged up and down in described fixed frame
Frame and lower installing rack, steel band on described between installing rack and lower installing rack carry, described upper installing rack and
Two surfaces that lower installing rack is adjacent are mounted on some near-infrared lamps, the bearing of trend of described near-infrared lamp with
The conveying direction of steel band is vertical.
8. the steel plate color-coating process units as described in any one of claim 4-7, it is characterised in that: on described
Being provided with guard pins between near-infrared lamp described in adjacent two on installing rack and lower installing rack, described guard pins is vertical
In described upper installing rack or the surface of lower installing rack, the distance of the end of described guard pins to steel strip surface is less than
Described near-infrared lamp is to the distance of steel strip surface.
9. the steel plate color-coating process units as described in claim 4-8 any one claim, it is characterised in that:
Described No. 1 strip clamping and conveying device includes base, and described base is installed with column, the top of described column
The hinged counter-jib that is provided with in portion, one end of described counter-jib is rotatablely equipped with by the drive roll of driven by servomotor,
It is provided with the first hydraulic jack between the other end and the described column of described counter-jib, described column rotates and installs
Having a driven voller, described driven voller is corresponding with described drive roll position；Corresponding with described driven voller position
Described column on the hinged trailing arm that is provided with, described trailing arm has a support face of support steel band, described trailing arm with
The second hydraulic jack it is provided with between base.
10. the steel plate color-coating process units as described in claim 4-9 any one claim, it is characterised in that:
The strong device for cooling of described rendering and essence are coated with strong device for cooling and all include horizontally disposed cooler bin, the two of described cooler bin
End is respectively equipped with forward (FWD) mouth and band outlet, is provided with on spray steel band in the described cooler bin of described forward (FWD) mouth
First shower of powder coating, the downstream of described first shower is provided with and sprays two surfaces of steel band respectively
Second shower, described first shower and the second shower are all connected with cooling water pipe；Go out described in Kao Jin
Be provided with in the described cooler bin of band mouth spray two surfaces of steel band the 3rd shower, described 3rd shower
Connect liquid nitrogen pipe；The bottom of described cooler bin is provided with waste collection mouth, and the top of described cooler bin is provided with waste gas
Collection port.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097075A (en) * | 2017-04-27 | 2017-08-29 | 嘉峪关天源新材料有限责任公司 | The continous way automatic production device and production method of a kind of damping block |
| CN108380424A (en) * | 2018-04-27 | 2018-08-10 | 钱勤利 | A kind of aluminum-pinch embossing spray equipment |
| CN115889124A (en) * | 2022-11-24 | 2023-04-04 | 山东新美达科技材料有限公司 | Production process of single-coating color steel belt |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198107A (en) * | 1995-08-10 | 1998-11-04 | 特里林克公司 | Method and apparatus for powder coating |
| CN201057496Y (en) * | 2007-04-05 | 2008-05-07 | 佛山市顺德区铁业实业有限公司 | Hot oven |
| US20090074976A1 (en) * | 2007-09-14 | 2009-03-19 | Freking Anthony J | Method of reducing mottle and streak defects in coatings |
| CN201579341U (en) * | 2009-12-31 | 2010-09-15 | 中冶南方工程技术有限公司 | Automatic threading device of pinch straightener |
| CN201737994U (en) * | 2010-06-21 | 2011-02-09 | 广东韩江钢板有限公司 | Hot dip galvanizing continuous production line |
| CN201848359U (en) * | 2010-06-21 | 2011-06-01 | 广东韩江钢板有限公司 | Color coating production line |
| CN102580902A (en) * | 2012-03-23 | 2012-07-18 | 山东朗法博粉末涂料有限公司 | Infrared pulse radiation heating method for curing board surface powder and equipment for implementing method |
| CN102699224A (en) * | 2012-05-17 | 2012-10-03 | 中国重型机械研究院有限公司 | Pinch roll mechanism |
| CN103084416A (en) * | 2013-01-31 | 2013-05-08 | 中冶南方工程技术有限公司 | Horizontal type corrective pinch device |
| CN105234194A (en) * | 2015-11-04 | 2016-01-13 | 东北大学 | Ultrafast cooling device for hot continuous rolled narrow strip steel and control method of ultrafast cooling device |
-
2016
- 2016-04-01 CN CN201610203885.4A patent/CN105881032B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198107A (en) * | 1995-08-10 | 1998-11-04 | 特里林克公司 | Method and apparatus for powder coating |
| CN201057496Y (en) * | 2007-04-05 | 2008-05-07 | 佛山市顺德区铁业实业有限公司 | Hot oven |
| US20090074976A1 (en) * | 2007-09-14 | 2009-03-19 | Freking Anthony J | Method of reducing mottle and streak defects in coatings |
| CN201579341U (en) * | 2009-12-31 | 2010-09-15 | 中冶南方工程技术有限公司 | Automatic threading device of pinch straightener |
| CN201737994U (en) * | 2010-06-21 | 2011-02-09 | 广东韩江钢板有限公司 | Hot dip galvanizing continuous production line |
| CN201848359U (en) * | 2010-06-21 | 2011-06-01 | 广东韩江钢板有限公司 | Color coating production line |
| CN102580902A (en) * | 2012-03-23 | 2012-07-18 | 山东朗法博粉末涂料有限公司 | Infrared pulse radiation heating method for curing board surface powder and equipment for implementing method |
| CN102699224A (en) * | 2012-05-17 | 2012-10-03 | 中国重型机械研究院有限公司 | Pinch roll mechanism |
| CN103084416A (en) * | 2013-01-31 | 2013-05-08 | 中冶南方工程技术有限公司 | Horizontal type corrective pinch device |
| CN105234194A (en) * | 2015-11-04 | 2016-01-13 | 东北大学 | Ultrafast cooling device for hot continuous rolled narrow strip steel and control method of ultrafast cooling device |
Non-Patent Citations (1)
| Title |
|---|
| 杨晓东: "三种加热装置在带钢涂层中的应用", 《工业加热》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097075A (en) * | 2017-04-27 | 2017-08-29 | 嘉峪关天源新材料有限责任公司 | The continous way automatic production device and production method of a kind of damping block |
| CN108380424A (en) * | 2018-04-27 | 2018-08-10 | 钱勤利 | A kind of aluminum-pinch embossing spray equipment |
| CN115889124A (en) * | 2022-11-24 | 2023-04-04 | 山东新美达科技材料有限公司 | Production process of single-coating color steel belt |
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| Publication number | Publication date |
|---|---|
| CN105881032B (en) | 2018-10-09 |
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Effective date of registration: 20191126 Address after: No. 27, Pangjia Industrial Park, Pangjia Town, Boxing County, Binzhou City, Shandong Province Patentee after: Seaga powder technology (Binzhou) Co., Ltd. Address before: 264000 Shandong Province, Yantai City Development Zone Science and Technology Building Co-patentee before: Zhou Shiyue Patentee before: Dou Xintao |
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Inventor after: Dou Xintao Inventor before: Dou Xintao Inventor before: Zhou Shiyue |