A kind of adhesive type ply-metal
Technical field
The present invention relates to metal processing sectors, particularly a kind of ply-metal.
Background technology
The base material of ply-metal is usually using various ordinary carbon steels such as Q235B, Q345B, 20R and special
Steel.Clad material can use the precious metal such as 304,316L, 1Cr13 and copper, aluminium, titanium alloy.Material and thickness can be free
Combination, the need for meeting different user.Not only the corrosion resistance with stainless steel again has carbon steel good to stainless steel clad plate
Mechanical strength and processing characteristics, are new industrial products.Stainless steel clad plate have been widely used for oil, chemical industry, salt industry,
The industries such as hydraulic and electric engineering.Stainless steel clad plate reduces the consumption of precious metal, significantly as a kind of product of resource-conserving
Reduce construction costs.Inexpensive and high performance perfect adaptation is realized, there is good social benefit.
But ply-metal in the market is all to use blast or the technology mode rolled by stainless steel and carbon
Steel plate rolling is together.The national standard that the stainless steel clad plate that explodes is performed is NB47002.1-2009, and hot-rolled stainless steel composite board is held
Capable national standard is GB/T8165-2008, and being mainly for both composite plates reduces product cost, realization by reducing noble metal
For the purpose of economizing on resources.
Chinese patent CN201510503104.9 discloses a kind of manufacture method of explosive welding clad plate, smooth
On base surface, lower plywood is put first, then transition interlayer is glued with glue point, and the transition interlayer is dilval paper tinsel, uses glue point
It is bonded on lower plywood, after drying, then on transition interlayer upper berth sets top plate, explosive is laid on top plate, explosive blasting makes
Blast, under explosion wave and heat effect, top plate heat conduction directly melts transition interlayer, and with lower plywood and upper strata
Combined together between plate, as ply-metal.The composite plate manufactured using this method, with conjugation it is good the characteristics of.
The suitable method application as a variety of double-level-metal Explosive Weldings.
Method hot rolling plate technique is to be in physics pure state with carbon steel substrate and stainless steel plate, under the conditions of high vacuum
Rolling is carried out to form.Complete metallurgical binding is realized in two kinds of metal diffusions in the operation of rolling.Certainly, in order to improve compound interface
Wetting effect, improve bond strength, also to take a series of technical measures in terms of the physical chemistry processing at interface.
But current ply-metal still suffers from problems with:
1st, Explosion composite utilizes the energy production of explosive, and vibration, noise and smoke contamination can be caused to environment;
2nd, the thickness of blast bimetallic joint product is generally in more than 10mm;
3rd, under current technological conditions, hot rolling technology can not directly produce the non-ferrous metal composite plate such as titanium, copper, aluminium.Simultaneously
Heat is also needed to by annealing, pickling, cold rolling, intermediate annealing, pickling (or bright annealing) straightening on the basis of pricking stainless steel clad plate
The production technologies such as finishing, could the higher stainless steel Combined roll (plate) in production requirement surface, production process complexity, equipment throwing
Money is than larger.
4th, existing composite board product does not have antidetonation to reduce the characteristic of noise, therefore use occasion is limited.
5th, the carbon steel substrate of composite plate does not carry out preservative treatment, and antiseptic property is low, and application is made to a certain extent
About.
The content of the invention
To solve the above mentioned problem that prior art is present, the present invention, which will design one kind, can reduce noise, application more
Extensively and with anti-corrosion function adhesive type ply-metal.
To achieve these goals, technical scheme is as follows:A kind of adhesive type ply-metal, including your gold
Belong to plate, gluing oxidant layer, substrate, passivation layer and anticorrosive coat, described substrate front side coating adhesive layer, substrate back apply passivation layer,
Passivation layer back side coated anti-corrosion layer, described noble metal plate is compound in substrate front side by gluing oxidant layer;Described noble metal plate,
Gluing oxidant layer, substrate, passivation layer and anticorrosive coat are combined into ply-metal by following steps:
A, base-plate cleaning
After substrate is by uncoiler uncoiling, substrate is sent to cleaning section and cleaned, and cleaning condition is as follows:Alkali liquid temperature is controlled
At 60-80 DEG C, scrubbing roller respectively puts into one group of operation up and down, and roller rotating speed 500-750 per minute turns, and spray pressure is controlled in 1.5-
2.5kg/cm2;By cleaning, the degreasing of saturability and unsaturation grease in aqueous slkali of the organic matter of metal surface is attached to
During cause saponification, emulsification, osmosis and peptizaiton, and taken off under the mechanical stripping effect of cleaning equipment
From surface of steel plate, so as to reach the purpose of cleaning;Spray enters hot water and rinses section, 60-80 DEG C of hot water rinse temperature, heat after scrubbing
Water spray pressure is also controlled in 1.5-2.5kg/cm2, the substrate then cleaned up is by heated-air drying progress surface drying, wind
Temperature control system is at 50-70 DEG C.
B, substrate passivation
Substrate after prerinse enters roll coater and roller coat passivation is carried out to substrate back, and the control of passivation layer coating layer thickness exists
20-40mg/m2, then dried, the drying temperature PMT of substrate reaches more than 80 DEG C, and PMT refers to highest temperature of steel strips.
C, glue spreading of base plate japanning
Substrate through transpassivation enters roll coater, and front applies paving head coating adhesive, back side head painting.Adhesive exists
With being pumped into before coating pan, it is sufficiently stirred for dispersion machine, and viscosity is measured with No. 4 Ford cups, viscosity was controlled at 60-75 seconds,
Winter is more appropriate than summer to add diluent, and the adhesive after mixing up squeezes into coating pan with pump, in order to prevent the uneven of viscosity,
Coating pan will consider overflow, and the internal circulating load for keeping adhesive is 10 liters per minute.The paint at the back side is also stirred with dispersion machine in advance
Fully, the control of paint viscosity was at 50-65 seconds.Start before application, first adjust the rotating speed and roll pressure of roller, pressed between every side roller
Power is controlled in 300kg or so, and the painting machine of front adhesive is by the way of inverse painting, and adhesive layer thickness is in 10-40 μm, back side oil
Paint is by the way of along applying, and anticorrosive coat thickness control is at 5-20 μm or so.
D, substrate solidification
Substrate carries out entering curing oven after application, and curing oven uses gas-fired heater or electric furnace, and each stove area has
Temperature in thermocouple detection burner hearth, temperature signal is sent to PLC, is compared with man-machine picture HMI desired temperature, then
By the PID arithmetic output order inside PLC, heating power is controlled.Bad in order to avoid toasting, the temperature control in the firstth area exists
Within 200 DEG C, the final temperature control of substrate is defined by the PMT of substrate, and substrate maximum temperature PMT will reach 220-250 DEG C.
E, noble metal plate preheating
While substrate solidification is carried out, the noble metal plate after uncoiling is preheated, preheating temperature is 200-250 DEG C,
Preheating time 20-30 second, plate face temperature is measured by contact temperature instrument, by controlling fire box temperature indirect control plate temperature.
F, compounding machine are pressed
Substrate and noble metal plate are sent into compounding machine simultaneously to be pressed, the pressure both sides of pressure roller are controlled in 3000-
8000kg。
G, composite plate are air-dried
Composite plate after compound enters air cooling zone, again through granulating unit progress water cooling, and the plate temperature after cooling is no more than 45
DEG C, then air-dried, the composite plate front after air-drying is sticked diaphragm and protected, it is to avoid the surface in product secondary operation
Contaminated and damage.
H, composite plate need scale to cut according to client as needed after being checked, are also prevented after product is offline
Shield packaging, it is to avoid pollution and goods damage in storage and transportation.
Further, described substrate is carbon steel sheet or galvanized sheet.
Further, the material of described noble metal plate is stainless steel, copper, aluminium or titanium alloy.
Further, described substrate thickness is 0.2-1.3mm.
Further, described noble metal plate thickness is 0.1-0.4mm.
Further, the gluing activation temperature of described adhesive is 200-250 degree, and adhesive strength is more than 5N/mm.
Further, described paint meets color steel product standard GB/T/T13448-2006.
Compared with prior art, the invention has the advantages that:
1st, traditional ply-metal is by way of milling train is pressed or the mode of blast is by two kinds of different metals
It is combined with each other, the metallic plate after being combined does not possess any noise-reducing ability, and corrosion resistance is poor;Simultaneously because substrate is needed after carrying out
Application is handled, and keeping, the storage of product need extra package.Application is largely restricted.The present invention is to use glue
Noble metal plate (paper tinsel) and carbon steel sheet, galvanized sheet are combined by viscous method, except the cost with general clad metal sheet is excellent
Outside gesture, because having nonmetallic adhesive as interlayer, using the distinctive viscoplasticity of binder resin, product has good antidetonation drop
Make an uproar characteristic, be such as used in lift car, automobile, railway car, building interior trim, 40% noise and vibration can be reduced!
2nd, the present invention applies last layer corrosion-resistant paint on the surface of substrate, improves the antiseptic property of product, can be extensive
Ground is used for the industries such as household electrical appliances, kitchen and bath's tool, building, automobile, decoration.
3rd, roll and explosion method is all, by powerful external force, two kinds of metals to be passed through physics between different metals
Method, is merged at a high temperature of certain.The especially deformation of products of rolling composite plate than more serious, while both
Method has an impact to the finish of precious metal surface, it is necessary to which follow-up have annealing and pickling and finishing line reprocessing processing.Processing technology
More complicated, production cost is high.And the pressure very little of gluing composite algorithm, compound tense steel plate is indeformable, while your gold do not damaged yet
Metal surface, can fully keep the gloss characteristic of precious metal surface.
4th, the back side of the invention that steel plate after processing, passivation is passivated to substrate can improve the adhesion of steel plate and paint,
It can also improve the corrosion resistance of product simultaneously.
5th, the present invention carries out anticorrosive coating to substrate back while positive application adhesive is carried out to substrate, gluing
Agent is while curing oven is activated, and coating is also dried in curing oven, and two kinds of metals pass through the glue activated during compounding machine
Stick is bonded together under high hot rolling, is interpenetrated due to molecular structure being presented between adhesive and metallic plate, with reference to jail
Gu, it is counter-bending, do not ftractureed when bending or shearing.
6th, the adhesive type composite plate produced using the method for the present invention, because its product thickness is relatively thin, corrosivity preferable, and
And have notable antidetonation noise-reducing characteristic, therefore as household electrical appliances, building inner trim panels, interior decoration of elevator plate, stainless steel can be reduced
Expect usage amount 30%-40%, be that client brings huge economic interests.
7th, adhesive type composite plate production process of the invention pollutes very little compared with explosion method, rolling, meets current state
Family advocates the policy requirements of ground environmental protection production.
8th, adhesive type composite plate is produced using the method for the present invention, can significantly saves equipment investment.
Brief description of the drawings
Shared 2, the accompanying drawing of the present invention, wherein:
Fig. 1 is adhesive type ply-metal structural representation.
Fig. 2 is adhesive type ply-metal manufacture method schematic flow sheet.
In figure:1st, noble metal plate, 2, gluing oxidant layer, 3, substrate, 4, passivation layer, 5, anticorrosive coat.
Embodiment
The present invention is further described through below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of adhesive type ply-metal, including noble metal plate 1, gluing oxidant layer 2, substrate 3, passivation layer
4 and anticorrosive coat 5, the described front coating adhesive layer 2 of substrate 3, the back side of substrate 3 apply passivation layer 4, the back side coated anti-corrosion layer of passivation layer 4
5, described noble metal plate 1 is compound on the front of substrate 3 by gluing oxidant layer 2.
As shown in Figure 1-2, now production adhesive type composite plate width specifications be 700mm, 1000mm, 1200mm, 1250mm and
1400mm.It is that width 1200mm, product thickness 1.0mm stainless steel clad plate are embodiment below.
First, it is galvanized sheet from substrate 3, width is 1200mm, and thickness is 0.8mm, and double side zinc coating amount is 100g/m2,
Material rate is SGCC, and oil surface amount is less than 500mg/m2.
After coil of strip is by uncoiler uncoiling, steel band is sent to cleaning section and cleaned, and alkali liquid temperature is controlled at 60-80 DEG C, takes off
The special product of Henkel is selected in fat agent, and free alkalinity is controlled in 8-12 degree, and scrubbing roller respectively puts into one group of operation, roller rotating speed up and down
750 turns per minute, spray pressure is controlled in 2kg/cm2, enter hot water after spray scrub and rinse section, hot water rinse temperature 60-80
DEG C, heat water-spraying's pressure is also controlled in 2kg/cm2.Then the substrate 3 cleaned up carries out surface drying, wind by heated-air drying
Temperature control system is at 50-70 DEG C.
Steel band entranceization painting machine after prerinse, roller coat passivation, the one side coating layer thickness of passivation layer 4 are carried out to the back side of steel plate
Control is in 20-40mg/m2, then dried, the drying temperature PMT of steel band reaches more than 80 DEG C.
Steel band through transpassivation enters roll coater, and front applies paving head coating adhesive, back side head painting epoxies oil
Paint.Adhesive is sufficiently stirred for before being pumped into coating pan with dispersion machine, and side measures viscosity, viscosity control with No. 4 Ford cups
At 60-75 seconds, winter is more appropriate than summer to add diluent, and the adhesive after mixing up squeezes into coating pan with pump, in order to prevent gluing
That spends is uneven, and coating pan will consider overflow, and the internal circulating load for keeping adhesive is 10 liters per minute.The paint at the back side is also used in advance
Dispersion machine stirring is abundant, and dope viscosity was controlled at 50-65 seconds.Start before application, first adjust the rotating speed and roll pressure of roller,
Per Stress control between side roller in 300kg or so, the painting machine of front adhesive by the way of inverse painting, coating layer thickness at 10-40 μm,
Back side paint is by the way of along applying, and coating layer thickness is controlled at 5-20 μm or so.
Substrate carries out entering curing oven after application, and curing oven can be using heating sides such as gas-fired heater or electric furnaces
Formula, each stove area has thermocouple to detect the temperature in burner hearth, and temperature signal is sent to PLC, is set with man-machine picture HMI temperature
Value is compared, then by the PID arithmetic output order inside PLC, controls heating power.It is bad in order to avoid toasting, the
The temperature control in one area is within 200 DEG C, and the final temperature control of substrate is defined by the PMT of substrate, and substrate maximum temperature PMT will
Reach 220-250 degree.
Simultaneously using 0.2mm 304 stainless steels as composite noble metal plate 1, stainless steel will also be preheated before entering compounding machine
Heat arrives 200-250 DEG C or so, is pressed by compounding machine, and the pressure both sides of pressure roller are controlled in 3000-8000kg, after being combined
Steel band enters air cooling zone, again through granulating unit progress water cooling, and the plate temperature after cooling is no more than 45 DEG C, then air-dried, wind
Stick diaphragm and protected in composite steel band front after dry, it is to avoid surface is contaminated in product secondary operation and damages.
Final product carries out client after being checked, as needed needs scale to cut, and is also prevented after product is offline
Shield packaging, it is to avoid pollution and goods damage in storage and transportation.
The economic benefit of the present invention:Exemplified by producing one ton of 1.0mm stainless steel clad plate, wherein stainless steel requirement is
200kg, stainless steel material cost is 2400 yuan, and galvanized sheet requirement is 800kg, 3200 yuan of galvanized sheet material cost, adhesive
And 300 yuan of the consumption per ton of the auxiliary material such as paint, degreasing agent, 70 yuan of energy resource consumption (combustion gas and electric power), total cost per ton
For 5970 yuan, and one ton of about 12000 yuan of pure stainless steel product.8000 yuan of composite plate price per ton, reduces cost more than 30%.
The present invention is not limited to the present embodiment, any equivalent concepts in the technical scope of present disclosure or changes
Become, be classified as protection scope of the present invention.