The present invention relates to a kind of high molecular leather release liners production technology, belong to material processing field.
Dermatine release liners is a kind of special separate paper, its coating generally has concavo-convex pattern structure, it is used in a large number in artificial leather and synthetic leather industry, as the carrier in artificial leather and synthetic leather production, dermatine release liners can copy to impression decorative pattern thereon on artificial leather and synthetic leather.The main dependence on import of the required release liners of China.Import release liners product structure is that body paper surface applies one deck TPX resin material, this material has natural release function, its shortcoming is that cost cost is higher, produce waste, energy consumption is larger, and the technique of employing is electronic beam solidified resin technique, has the defect that cost cost is high, power consumption is large, access times only have left and right 10 times, are only equivalent to 10% left and right of macromolecule dermatine release liners.
Traditional leather release liners manufacture craft is, first macromolecule release layer is coated on body paper, and then use in addition embossing machine embossing, now need the paper that was coated with release layer to be again warmed to 150-260 ℃, and the temperature of release liners is unsuitable too high, otherwise can produce release layer and paper departs from, embossing speed can only be controlled as 8-15 rice per minute, and therefore, traditional leather release liners manufacture craft is lost time, manpower, energy consumption.
Summary of the invention
The object of this invention is to provide a kind of high molecular leather release liners production technology that can effectively improve the production efficiency of leather products, reduce production costs.
For realizing above object, a kind of high molecular leather release liners production technology of the present invention is: at body paper backside coating resistance to oxidation liquid glue, moment high temperature, heated-air drying, carry out ultraviolet (UV) and solidify processing, deliver to composite embossed unit, layer high molecule resin is pushed away to signature device by the melting of hot reflux high speed to be pushed to high temperature, the clearance-type of high pressure subtracts stream shower nozzle, evenly be injected in body paper front, form and partly soak into combination with body paper, and carry out machine printed simultaneously, macromolecular material is combined with body paper, form leather pattern, rolling after deburring arranges, obtain high molecular leather release liners.
Further, described ultraviolet irradiation intensity is 40-200 μ W/cm
2.
Further, described in subtract stream shower nozzle in temperature be 130-450 ℃, pressure is 5-23MPa.
Further, the pressure that described machinery is suppressed is not less than 100 tons.
Further, described embossing speed is 40-80m/min.
Further, the melting of described hot reflux high speed pushes away signature device and comprises frame, described frame is internally connected with Duo Zutuiya mechanism and subtracts stream shower nozzle, and described Tui Ya mechanism comprises motor, screw mechanism and pressurizing filter mechanism, and described motor is connected with the tail end of screw mechanism by decelerator; The top of described screw mechanism by pressurizing filter mechanism with subtract stream shower nozzle be connected; Described Duo Zutuiya mechanism combines side by side.
Further, described screw mechanism is followed successively by metering section, hot reflux section by tail end to top, supercharging mixing section, fluxing zone, supercharging section, shear at high temperature section, feeding preheating section and link; Described link is connected with pressurizing filter mechanism; The screw thread trend of described hot reflux section is contrary with the screw thread trend of screw mechanism main body.
Further, described in, subtract stream shower nozzle and comprise housing and inner high temperature chamber, high temperature runner, temperature sensor, gap shower nozzle and expansion bolt formula gap adjustment valve thereof; One end, described high temperature chamber is connected with screw mechanism by pressurizing filter device, and the other end is communicated with high temperature runner; Described high temperature runner is communicated with gap shower nozzle by expansion bolt formula gap adjustment valve; Described temperature sensor is connected with high temperature chamber.
Further, described in subtract stream and be also provided with servo-drive speed-adjustable in shower nozzle and subtract stream proportional valve, described servo-drive speed-adjustable subtracts stream proportional valve and is positioned at the outlet of high temperature chamber.
Further, described in subtract stream and be also provided with thermal insulation layer in shower nozzle, described thermal insulation layer is between adjacent two high temperature chambeies.
The beneficial effect that the present invention produces is, the present invention is by body paper, macromolecular material, resistance to oxidation liquid glue is raw material, by hot reflux high speed melting spiral, push away signature device, by multiple macromolecular material under the state of hot reflux high-speed molten, carry out microcosmic Combined Processing, change its original molecular structure, and according to the direction of technological requirement, rearrange, crystallization is cured to cuts out on body (paper), compound rear macroscopic view sees it is the material that one deck is identical, but the interlayer that still belongs to multiple different macromolecular materials from microcosmic is compound, thereby form a kind of novel dermatine moulding material, there is stronger oxidative resistance, easy fissility, embossing stereovision is stronger, be difficult for producing the characteristics such as deformation.
Compare with traditional leather release liners manufacture craft, production technology of the present invention is that separated type material is combined with paper from clearance-type subtracts the ejection of stream shower nozzle, and carry out machinery simultaneously and suppress, temperature is now 220-350 ℃, the speed of embossing can be increased to 40-80 rice per minute, effectively improve the production efficiency of leather products, reduce the production cost of 50-70%.
The specific embodiment
A high molecular leather release liners production technology, comprises the steps:
1) that body paper is put into production line puts paper unit, by vector converter drive system, body paper is delivered to back of the body gluing solution unit, and tension force is controlled as full-automatic weighing apparatus tension force PLC system auto computing therebetween.
2) described body paper, in back of the body gluing solution unit, is coated on resistance to oxidation liquid glue at the back side of body paper through net roller coating, moment high temperature, heated-air drying, carries out ultraviolet (UV) and solidifies and process, ultraviolet irradiation intensity: 40-200 μ W/cm
2.
3) driving by motion controller is delivered to composite embossed unit by servomotor to complete body paper that the back of the body is coated with, layer high molecule resin is pushed away and given as security the clearance-type that device pushes to high temperature, high pressure and subtract stream shower nozzle by the melting of hot reflux high speed, evenly be injected in body paper front, form and partly soak into combination with paper, described subtract stream shower nozzle in temperature be 130-450 ℃, pressure is 5-23MPa; And through 100 tons of above mechanical pressures, macromolecular material and body paper are carried out to high strength bond simultaneously, and by high pressure, extruding needed leather pattern, embossing speed is 40-80m/min.
4) after composite embossed completes, then be transported to x-ray detection system by servo electrical machinery system, material error is revised, after having revised, by vector converter motor, carry out finished product and batch, obtain high molecular leather release liners.
Wherein, hot reflux high speed melting spiral pushes away signature device, comprise frame 6, described frame is internally connected with Duo Zutuiya mechanism and subtracts stream shower nozzle 1, described Tui Ya mechanism comprises motor 5, screw mechanism 3 and pressurizing filter mechanism 2, described motor 5 is connected with the tail end of screw mechanism 3 by decelerator 4, for screw mechanism provides kinetic energy; The top of described screw mechanism 3 by pressurizing filter mechanism 2 with subtract stream shower nozzle 1 be connected.The high speed melting of described macromolecule material Jing Tuiya mechanism, pushes away signature to subtracting stream shower nozzle, from subtract stream shower nozzle, sprays, and is injected in uniformly that body paper is positive to be formed and partly soak into combination with body paper.
As shown in Figure 2, described screw mechanism 3 is followed successively by metering section 31, hot reflux section 32 by tail end to top, supercharging mixing section 33, fluxing zone 34, supercharging section 35, shear at high temperature section 36, feeding preheating section 37 and link 38; Described link 38 is provided with fine thread, is threaded with pressurizing filter mechanism 2; The screw thread trend of described hot reflux section is contrary with the screw thread trend of screw mechanism main body, for generation of buffer brake, produces hot reflux; Described metering section is for measuring the volume of macromolecule material.
As shown in Figure 3, described in, subtract stream shower nozzle 1 and comprise housing 10 and inner high temperature chamber 11, high temperature runner 12, temperature sensor 13, gap shower nozzle 14 and expansion bolt formula gap adjustment valve 15 thereof; One end, described high temperature chamber is connected with screw mechanism by pressurizing filter mechanism, and the other end is communicated with high temperature runner; Described high temperature runner is communicated with gap shower nozzle by expansion bolt formula gap adjustment valve; Described temperature sensor is connected with high temperature chamber, for responding to the temperature of charge in high temperature chamber.
If the macromolecule release liners of producing needs multiple macromolecular material compound, the present invention can combine Duo Zutuiya mechanism side by side, the corresponding stream shower nozzle that subtracts comprises many groups high temperature chamber, be that every kind of macromolecular material is through the high speed melting of Yi Zutuiya mechanism, push away and give as security to high temperature chamber, organize high temperature chamber more and be communicated in high temperature runner, thereby realize multiple macromolecular material is compound in high temperature runner, come together in gap shower nozzle, compound rear macroscopic view sees it is the material that one deck is identical.
Because the viscosity of macromolecule material under high melt state is different, different to the speed of gap shower nozzle ejection by high temperature chamber, easily cause multiple macromolecule material to mix inhomogeneous, affect the quality of release liners, therefore described in, subtract and in stream shower nozzle, be also provided with servo-drive speed-adjustable and subtract stream proportional valve 16, described servo-drive speed-adjustable subtracts stream proportional valve and is positioned at the outlet of high temperature chamber, for controlling the flowing velocity of material in high temperature chamber, the flow velocity of material in each high temperature chamber is consistent, in high temperature runner, mix, ejection simultaneously, and be injected in equably body paper front.
The temperature required due to different macromolecule materials is different, and the temperature in every group of high temperature chamber is different, and in order to prevent that the temperature in adjacent two high temperature chambeies is affected, described two adjacent groups high temperature is also provided with thermal insulation layer 17 between chamber.
Described macromolecule material completes high melt through techniques such as mixing, plasticizing, supercharging, hot reflux, shear at high temperature, preheatings in screw mechanism, again after pressurizing filter, push away signature to the high temperature chamber subtracting in stream shower nozzle, macromolecule material in many groups high temperature chamber is mixed in high temperature channel, and sprays in gap shower nozzle.
Embodiment 1:
A high molecular leather release liners production technology, comprises the steps:
1) that body paper is put into production line puts paper unit, by vector converter drive system, body paper is delivered to back of the body gluing solution unit, and tension force is controlled as full-automatic weighing apparatus tension force PLC system auto computing therebetween.
2) described body paper, in back of the body gluing solution unit, is coated on resistance to oxidation liquid glue at the back side of body paper through net roller coating, moment high temperature, heated-air drying, carries out ultraviolet (UV) and solidifies and process, ultraviolet irradiation intensity is 40 μ W/cm
2.
3) driving by motion controller is delivered to composite embossed unit by servomotor to complete body paper that the back of the body is coated with, layer high molecule resin is pushed away and given as security the clearance-type that device pushes to high temperature, high pressure and subtract stream shower nozzle by the melting of hot reflux high speed, evenly be injected in body paper front, form and partly soak into combination with paper, described subtract stream shower nozzle in temperature be 130 ℃, pressure is 5MPa; And through 100 tons of above mechanical pressures, macromolecular material and body paper are carried out to high strength bond simultaneously, and by high pressure, extruding needed leather pattern, embossing speed is 40m/min.
4) after composite embossed completes, then be transported to x-ray detection system by servo electrical machinery system, material error is revised, after having revised, by vector converter motor, carry out finished product and batch, obtain high molecular leather release liners.
Embodiment 2:
A high molecular leather release liners production technology, comprises the steps:
1) that body paper is put into production line puts paper unit, by vector converter drive system, body paper is delivered to back of the body gluing solution unit, and tension force is controlled as full-automatic weighing apparatus tension force PLC system auto computing therebetween.
2) described body paper, in back of the body gluing solution unit, is coated on resistance to oxidation liquid glue at the back side of body paper through net roller coating, moment high temperature, heated-air drying, carries out ultraviolet (UV) and solidifies and process, ultraviolet irradiation intensity is 80 μ W/cm
2.
3) driving by motion controller is delivered to composite embossed unit by servomotor to complete body paper that the back of the body is coated with, layer high molecule resin is pushed away and given as security the clearance-type that device pushes to high temperature, high pressure and subtract stream shower nozzle by the melting of hot reflux high speed, evenly be injected in body paper front, form and partly soak into combination with paper, described subtract stream shower nozzle in temperature be 200 ℃, pressure is 10MPa; And through 100 tons of above mechanical pressures, macromolecular material and body paper are carried out to high strength bond simultaneously, and by high pressure, extruding needed leather pattern, embossing speed is 50m/min.
4) after composite embossed completes, then be transported to x-ray detection system by servo electrical machinery system, material error is revised, after having revised, by vector converter motor, carry out finished product and batch, obtain high molecular leather release liners.
Embodiment 3:
A high molecular leather release liners production technology, comprises the steps:
1) that body paper is put into production line puts paper unit, by vector converter drive system, body paper is delivered to back of the body gluing solution unit, and tension force is controlled as full-automatic weighing apparatus tension force PLC system auto computing therebetween.
2) described body paper, in back of the body gluing solution unit, is coated on resistance to oxidation liquid glue at the back side of body paper through net roller coating, moment high temperature, heated-air drying, carries out ultraviolet (UV) and solidifies and process, ultraviolet irradiation intensity is 120 μ W/cm
2.
3) driving by motion controller is delivered to composite embossed unit by servomotor to complete body paper that the back of the body is coated with, layer high molecule resin is pushed away and given as security the clearance-type that device pushes to high temperature, high pressure and subtract stream shower nozzle by the melting of hot reflux high speed, evenly be injected in body paper front, form and partly soak into combination with paper, described subtract stream shower nozzle in temperature be 300 ℃, pressure is 15MPa; And through 100 tons of above mechanical pressures, macromolecular material and body paper are carried out to high strength bond simultaneously, and by high pressure, extruding needed leather pattern, embossing speed is 60m/min.
4) after composite embossed completes, then be transported to x-ray detection system by servo electrical machinery system, material error is revised, after having revised, by vector converter motor, carry out finished product and batch, obtain high molecular leather release liners.
Embodiment 4
A high molecular leather release liners production technology, comprises the steps:
1) that body paper is put into production line puts paper unit, by vector converter drive system, body paper is delivered to back of the body gluing solution unit, and tension force is controlled as full-automatic weighing apparatus tension force PLC system auto computing therebetween.
2) described body paper, in back of the body gluing solution unit, is coated on resistance to oxidation liquid glue at the back side of body paper through net roller coating, moment high temperature, heated-air drying, carries out ultraviolet (UV) and solidifies and process, ultraviolet irradiation intensity: 160 μ W/cm
2.
3) driving by motion controller is delivered to composite embossed unit by servomotor to complete body paper that the back of the body is coated with, layer high molecule resin is pushed away and given as security the clearance-type that device pushes to high temperature, high pressure and subtract stream shower nozzle by the melting of hot reflux high speed, evenly be injected in body paper front, form and partly soak into combination with paper, described subtract stream shower nozzle in temperature be 400 ℃, pressure is 20MPa; And through 100 tons of above mechanical pressures, macromolecular material and body paper are carried out to high strength bond simultaneously, and by high pressure, extruding needed leather pattern, embossing speed is 70m/min.
4) after composite embossed completes, then be transported to x-ray detection system by servo electrical machinery system, material error is revised, after having revised, by vector converter motor, carry out finished product and batch, obtain high molecular leather release liners.
Embodiment 5
A high molecular leather release liners production technology, comprises the steps:
1) that body paper is put into production line puts paper unit, by vector converter drive system, body paper is delivered to back of the body gluing solution unit, and tension force is controlled as full-automatic weighing apparatus tension force PLC system auto computing therebetween.
2) described body paper, in back of the body gluing solution unit, is coated on resistance to oxidation liquid glue at the back side of body paper through net roller coating, moment high temperature, heated-air drying, carries out ultraviolet (UV) and solidifies and process, ultraviolet irradiation intensity: 200 μ W/cm
2.
3) driving by motion controller is delivered to composite embossed unit by servomotor to complete body paper that the back of the body is coated with, layer high molecule resin is pushed away and given as security the clearance-type that device pushes to high temperature, high pressure and subtract stream shower nozzle by the melting of hot reflux high speed, evenly be injected in body paper front, form and partly soak into combination with paper, described subtract stream shower nozzle in temperature be 450 ℃, pressure is 23MPa; And through 100 tons of above mechanical pressures, macromolecular material and body paper are carried out to high strength bond simultaneously, and by high pressure, extruding needed leather pattern, embossing speed is 80m/min.
After composite embossed completes, then be transported to x-ray detection system by servo electrical machinery system, material error is revised, after having revised, by vector converter motor, carry out finished product and batch, obtain high molecular leather release liners.
Embodiment 6
As shown in Figure 4 and Figure 5, if the macromolecule release liners of producing needs two kinds of macromolecular materials compound, hot reflux high speed melting spiral of the present invention pushes away signature device and Liang Zutuiya mechanism can be combined side by side, the corresponding housing that subtracts stream shower nozzle comprises two high temperature chambeies, the one end in described each high temperature chamber is connected with screw mechanism by pressurizing filter mechanism respectively, the other end is all communicated with high temperature runner, comes together in gap shower nozzle, thereby realizes two kinds of macromolecular materials are compound.
Embodiment 7
As shown in Figure 6 and Figure 7, if the macromolecule release liners of producing needs three kinds of macromolecular materials compound, hot reflux high speed melting spiral of the present invention pushes away signature device and San Zutuiya mechanism can be combined side by side, the corresponding housing that subtracts stream shower nozzle comprises three high temperature chambeies, the one end in described each high temperature chamber is connected with screw mechanism by pressurizing filter mechanism respectively, the other end is all communicated with high temperature runner, comes together in gap shower nozzle, thereby realizes three kinds of macromolecular materials are compound.
Embodiment 8
As shown in Figure 8 and Figure 9, if the macromolecule release liners of producing needs five kinds of macromolecular materials compound, hot reflux high speed melting spiral of the present invention pushes away signature device and Wu Zutuiya mechanism can be combined side by side, the corresponding housing that subtracts stream shower nozzle comprises five high temperature chambeies, the one end in described each high temperature chamber is connected with screw mechanism by pressurizing filter mechanism respectively, the other end is all communicated with high temperature runner, comes together in gap shower nozzle, thereby realizes five kinds of macromolecular materials are compound.
Same, the present invention can combine 1-7Zu Tuiya mechanism side by side, compound to realize 1-7 kind macromolecular material.