Summary of the invention
The objective of the invention is, the adhesive method of a kind of ultra high molecular weight polyethylene films sheet and metallic plate is provided, make it can be with ultra high molecular weight polyethylene films sheet and metal material tight bond, thereby improve the product service life after ultra high molecular weight polyethylene films sheet and the metal bonding, enlarge the range of application of ultra high molecular weight polyethylene films sheet.
The present invention is achieved through the following technical solutions for achieving the above object: the adhesive method of a kind of ultra high molecular weight polyethylene films sheet and metallic plate comprises the steps:
1. getting the ultra high molecular weight polyethylene films sheet that is covered with the copolymer primer is cut into block for subsequent use;
2. the plate face of metal material being made or the surface finish of casing become coarse shape surface;
3. with the coarse shape surface heating to 190 of step in 2. ℃-250 ℃;
4. step block ultra high molecular weight polyethylene films sheet 1. is fitted in one by one the rough surface after 3. step heats, to block ultra high molecular weight polyethylene films sheet pressurization, Rough Metal Surface after making it and heating fits tightly, and be that the Rough Metal Surface temperature is cooled to till 50 ℃-60 ℃ pressing time.The firing equipment of step in 3. is the hyperfrequency induction machine, and the frequency of this machine is about 200KHz, and power is 20-30KW.The packaged type heating head that the hyperfrequency induction machine adopts heating head to separate with main frame, heating head is connected with soft coaxial cable with main frame.
The glueing method of the adhesive method of described a kind of ultra high molecular weight polyethylene films sheet and metallic plate, the step ultra high molecular weight polyethylene films sheet that is covered with the copolymer primer described in 1. is:
1. it is for subsequent use to get the copolymer primer;
2. adopt flame gun that heat-activated is carried out on ultra high molecular weight polyethylene films sheet surface and process, that is: the shower nozzle of flame gun is aimed at ultra high molecular weight polyethylene films sheet jet surface flame, the ultra high molecular weight polyethylene films sheet passes through flame in walking;
3. be coated to ultra high molecular weight polyethylene films sheet surface after step glue for subsequent use 1. being heated to 200-260 ℃;
4. 3. step is pressurizeed on the ultra high molecular weight polyethylene films sheet surface behind the gluing, the ultra high molecular weight polyethylene films sheet pressurizes in walking;
5. the ultra high molecular weight polyethylene films sheet in the rear walking of pressurizeing is carried out press polish;
6. the ultra high molecular weight polyethylene films sheet after the press polish is inserted in the cooler bin and cool off, cooling fluid is lower than 25 ℃;
7. will carry out rolling through cooled ultra high molecular weight polyethylene films sheet.The ultra high molecular weight polyethylene films sheet from step 2. to step 7. whole process all walking, carry out, the speed of travel of ultra high molecular weight polyethylene films sheet is the 20-30 cel, the flame temperature of flame gun ejection is about 600 ℃, and the shower nozzle of flame gun is 2.5-3.5 centimetre apart from the vertical range on ultra high molecular weight polyethylene films sheet surface.Step described in 4. to ultra high molecular weight polyethylene films sheet surface-pressure, adopt the polytetrafluoro roll of heating to pressurize, the surface temperature of roll is 160 ℃-175 ℃.
The adhesive method of described a kind of ultra high molecular weight polyethylene films sheet and metallic plate, step method 1.-7. adopts laminating machine to finish, the structure of laminating machine is: comprise the adhesive extruder, mounting adhesive extruding pipe on the sizing machine extruder, adhesive extruding pipe one end mounting adhesive mould, adhesive extruder one side mounting bracket, support one end is installed ultra high molecular weight polyethylene films sheet volume, the support other end is installed ultra high molecular weight polyethylene films sheet winder motor, from roll-film one end is installed, the first roll stacks is installed successively on the support, king roller, the second roll stacks and cooler bin deflector roll, ultra high molecular weight polyethylene films sheet on the roll-film is through the first roll stacks, king roller, the cooler bin deflector roll is involved on the winder, between the first roll stacks and king roller, flame gun is installed, the shower nozzle of flame gun is positioned at the top of ultra high molecular weight polyethylene films sheet upper surface, the plastic emitting port of adhesive extruding pipe is installed cooler bin between the second roll stacks and the winder between flame gun and king roller.Cooler bin is arranged on below the support, and the cooler bin interior bottom portion is installed two cooler bin guide wheels, and two cooler bin guide wheels are arranged in parallel.Between cooler bin on the support and winder, guide wheel is installed.The inner electric heating tube of installing of king roller, electric heating tube is to the king roller surface heating, and the king roller surface temperature is 160 ℃-175 ℃, and the king roller surface applies polytetrafluoroethylene floor.
Method of the present invention can make ultra high molecular weight polyethylene films sheet and metal secure bond, high strength mucous layer on the ultra high molecular weight polyethylene films sheet is heated to 110-130 ℃ can be bonding with metal material, can make various products after bonding, with sheet material or the various long product lifecycles such as casing of the inventive method after with ultra high molecular weight polyethylene films sheet and metal bonding, prolong 20-25 doubly than prior art, the multiple deficiency such as solved in the prior art that the bonding fastness is poor, inefficiency, labour intensity are large.After testing: the peel strength mean value after ultra high molecular weight polyethylene films sheet and the metal bonding is greater than 170N/cm.With the product of the inventive method with ultra high molecular weight polyethylene films sheet and metal adhesive, can be applicable to the various fields such as mine car, coal bunker, steamer and submarine.The inventive method is easy to the industrialization operation.
In the inventive method at the high strength mucous membrane of the surface recombination of ultra high molecular weight polyethylene films sheet, the thickness of this mucous membrane is generally the 0.3-1.5 millimeter, this layer mucous membrane can with ultra high molecular weight polyethylene films sheet surface good bond, make its peel strength mean value reach 170N/cm, in the recombination process of high strength mucous membrane, make the ultra high molecular weight polyethylene films sheet not produce contraction, the phenomenon of distortion, do not destroy the tensile property of ultra high molecular weight polyethylene films sheet itself, the equipment that uses has in the methods of the invention guaranteed uniformity and the higher production efficiency of mucous membrane, makes the thickness of mucous membrane controlled, the temperature of adhesive is controlled, the surface active temperature of ultra high molecular weight polyethylene films sheet before gluing is controlled.
The Kelvin effect that key of the present invention is to utilize high-frequency induction is controlled at the zone of heating of metal in the top layer, the colloid of superelevation membrane surface is melted rapidly, rapid and metal bonding is cooled off rapidly again, thereby overcome a superelevation diaphragm long key difficult problem that makes diaphragm body distortion heat time heating time, increase substantially simultaneously combined efficiency, reduction adds heat power consumption.
The specific embodiment
The adhesive method of a kind of ultra high molecular weight polyethylene films sheet of the present invention and metallic plate comprises the steps:
1. getting the ultra high molecular weight polyethylene films sheet that is covered with the copolymer primer is cut into block for subsequent use;
2. the plate face of metal material being made or the surface finish of casing become coarse shape surface;
3. with the coarse shape surface heating to 190 of step in 2. ℃-250 ℃;
4. step block ultra high molecular weight polyethylene films sheet 1. is fitted in one by one the rough surface after 3. step heats, to block ultra high molecular weight polyethylene films sheet pressurization, Rough Metal Surface after making it and heating fits tightly, and be that the Rough Metal Surface temperature is cooled to till 50 ℃-60 ℃ pressing time.
The firing equipment of step of the present invention in 3. is the hyperfrequency induction machine, and the frequency of this machine is about 200KHz, and power is 20-30KW.
The packaged type heating head that the hyperfrequency induction machine adopts heating head to separate with main frame, heating head is connected with soft coaxial cable with main frame.
The glueing method of the ultra high molecular weight polyethylene films sheet that be covered with copolymer primer of step of the present invention described in 1. is:
1. it is for subsequent use to get the copolymer primer;
2. adopt flame gun that heat-activated is carried out on ultra high molecular weight polyethylene films sheet surface and process, that is: the shower nozzle of flame gun is aimed at ultra high molecular weight polyethylene films sheet jet surface flame, the ultra high molecular weight polyethylene films sheet passes through flame in walking;
3. be coated to ultra high molecular weight polyethylene films sheet surface after step glue for subsequent use 1. being heated to 200-260 ℃;
4. 3. step is pressurizeed on the ultra high molecular weight polyethylene films sheet surface behind the gluing, the ultra high molecular weight polyethylene films sheet pressurizes in walking;
5. the ultra high molecular weight polyethylene films sheet in the rear walking of pressurizeing is carried out press polish;
6. the ultra high molecular weight polyethylene films sheet after the press polish is inserted in the cooler bin and cool off, cooling fluid is lower than 25 ℃;
7. will carry out rolling through cooled ultra high molecular weight polyethylene films sheet.
Described ultra high molecular weight polyethylene films sheet from step 2. to step 7. whole process all walking, carry out, the speed of travel of ultra high molecular weight polyethylene films sheet is the 20-30 cel, the flame temperature of flame gun ejection is 600 ℃-800 ℃, and the shower nozzle of flame gun is 2.5-3.5 centimetre apart from the vertical range on ultra high molecular weight polyethylene films sheet surface.
Step of the present invention described in 4. to ultra high molecular weight polyethylene films sheet surface-pressure, adopt the roll of heating to pressurize, the surface temperature of roll is 160 ℃-175 ℃.
In the method for the invention step 5. described method to the pressurization of block ultra high molecular weight polyethylene films sheet following method is generally arranged: when applying ultra high molecular weight polyethylene films sheet on the horizontal metal plate, adopt pressure roller at ultra high molecular weight polyethylene films sheet surface-pressure, ultra high molecular weight polyethylene films sheet and horizontal metal surface are fitted tightly; When vertically metallic plate pastes the ultra high molecular weight polyethylene films sheet, can adopt the electromagnet pressing plate to ultra high molecular weight polyethylene films sheet surface-pressure, ultra high molecular weight polyethylene films sheet and vertical metal sheet surface are fitted tightly; The surface area of fitting when needs is less, in the time of can't using the tool equipment such as apparatus, can adopt the heat insulation Rough Metal Surface temperature that is pressed into of manual method to be cooled to till 50 ℃-60 ℃.
The adhesive method of a kind of ultra high molecular weight polyethylene films sheet of the present invention and metallic plate, step method 1.-7. adopts laminating machine to finish, the structure of laminating machine is: comprise adhesive extruder 2, mounting adhesive extruding pipe 19 on the sizing machine extruder 2, adhesive extruding pipe 19 1 end mounting adhesive moulds 7, adhesive extruder 2 one side mounting brackets 20, support 20 1 ends are installed ultra high molecular weight polyethylene films sheet volume 1, support 20 other ends are installed ultra high molecular weight polyethylene films sheet winder motor 16, from roll-film one end is installed, the first roll stacks 4 is installed successively on the support 20, king roller 8, the second roll stacks 9 and cooler bin deflector roll 11, ultra high molecular weight polyethylene films sheet on the roll-film 1 is through the first roll stacks 4, king roller 8, the cooler bin deflector roll is involved on the winder, flame gun 6 is installed between the first roll stacks 4 and king roller 8, the shower nozzle of flame gun 6 is positioned at the top of ultra high molecular weight polyethylene films sheet upper surface, the plastic emitting port of adhesive extruding pipe 19 is installed cooler bin 10 between the second roll stacks 9 and the winder 15 between flame gun 6 and king roller 8.
Cooler bin 10 of the present invention is arranged on below the support 20, cooler bin 10 interior bottom portion are installed two cooler bin guide wheels 11, two cooler bin guide wheels 11 are arranged in parallel, the ultra high molecular weight polyethylene films sheet that keeps being compounded with the high strength mucous membrane enters cooler bin and is cooled off fully, cooling fluid in the cooler bin 10 is running water, flow for circulating, keep coolant temperature to be lower than 25 ℃.
The present invention installs guide wheel 13 between cooler bin 10 on the support 20 and winder 15, be convenient to the ultra high molecular weight polyethylene films sheet and enter winder.
The described king roller 8 inner electric heating tubes of installing, electric heating tube is to king roller 8 surface heatings, make king roller 8 surface temperatures remain on 160 ℃-175 ℃, be convenient to when pressurization, keep the temperature of ultra high molecular weight polyethylene films sheet, to increase the adhesion firmness of mucous membrane and ultra high molecular weight polyethylene films sheet.
To produce pinning phenomenon in order making between king roller 8 surfaces and mucous membrane, to apply polytetrafluoroethylene floor on king roller 8 surfaces.
In the method for the present invention, the shower nozzle of flame gun is 2.5-3.5 centimetre apart from the vertical height of ultra high molecular weight polyethylene films sheet, it is the 20-30 cel that this distance is based on the ultra high molecular weight polyethylene films sheet speed of travel, the flame temperature of flame gun ejection is to arrange on the basis about 600 ℃, this group parameter is a kind of reasonable embodiment, certainly, process for ultra high molecular weight polyethylene films sheet surface being carried out heat-activated, the flame temperature that also can spray the speed of travel and the flame gun of ultra high molecular weight polyethylene films sheet of the present invention and the shower nozzle of flame gun change apart from the parameter of the vertical height of diaphragm, to reach the purpose of activation process.The purpose of ultra high molecular weight polyethylene films sheet surface being carried out activation process is, spray by flame, make ultra high molecular weight polyethylene films sheet surface under the thermal-flame effect, some chemical molecular key fractures of material surface form little molecular product or are oxidized to CO, CO
2Deng, the polarity of material surface is significantly increased, simultaneously, produce new free radical and two key isoreactivity group after the fracture of ultra high molecular weight polyethylene films sheet surface molecular chain, produce the reactions such as surface-crosslinked, grafting thereupon, and between strand, produce laterally connection, and form network structure, be conducive to infiltration and the combination of jointing material molecule.In addition, uneven, roughness increase that ultra high molecular weight polyethylene films sheet surface becomes, hole capsule has wherein increased the surface area of ultra high molecular weight polyethylene films sheet, has produced firmly bonding between ultra high molecular weight polyethylene films sheet and jointing material thereby make.Described jointing material is the copolymer primer.This glue is prior art, and its component performance is not done detailed description.Adopt method of the present invention behind ultra high molecular weight polyethylene films sheet surface recombination high strength mucous membrane, during use, both pressings are got final product after mucomembranous surface is heated to 130 ℃.Flame gun structure of the present invention is prior art.The shower nozzle of flame gun is adjustable structure, and the large I of flame is regulated as required.The glue that king roller of the present invention is used for will being coated on the ultra high molecular weight polyethylene films sheet heats, pressurizes.
The first roll stacks 4 of using on the equipment of the present invention is two guide wheels up and down, and the ultra high molecular weight polyethylene films sheet is wrapped in up and down and walks behind two guide wheels, and the first roll stacks 4 is convenient to next step activation process with the press polish of ultra high molecular weight polyethylene films sheet.The second roll stacks 9 is arranged above and below by 3 wires and forms, and the ultra high molecular weight polyethylene films sheet enters between upper end and middle two guide wheels and enters pressing between middle and two guide wheels in lower end after the pressing again, then enters cooler bin 12 interior coolings.The first roll stacks 4 and the second roll 9 are installed in the framework respectively, as shown in Figure 1, roll degree of tightness release handle is installed in the framework top, as shown in Figure 1 the first degree of tightness release handle 5 is installed in the framework upper end of the first roll stacks 4, the second degree of tightness release handle 21 is installed in the framework upper end of the second roll stacks 9, the structure of two degree of tightness release handles is identical, forms by screw mandrel and handle.3 is motors among the figure, the 14th, and ultra high molecular weight polyethylene films sheet, the 17th, cooling liquid water inlet pipe, the 18th, cooling fluid outlet pipe, the 22nd, high strength mucous membrane, the 23rd, ultra high molecular weight polyethylene films sheet.