CN103938459A - Needle plate sizing waterborne matte treatment production line - Google Patents
Needle plate sizing waterborne matte treatment production line Download PDFInfo
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- CN103938459A CN103938459A CN201410179570.1A CN201410179570A CN103938459A CN 103938459 A CN103938459 A CN 103938459A CN 201410179570 A CN201410179570 A CN 201410179570A CN 103938459 A CN103938459 A CN 103938459A
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- 238000004513 sizing Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000007761 roller coating Methods 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 6
- 241000826860 Trapezium Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 30
- 238000001035 drying Methods 0.000 abstract description 21
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract 1
- 239000012536 storage buffer Substances 0.000 abstract 1
- 239000002649 leather substitute Substances 0.000 description 53
- 239000010985 leather Substances 0.000 description 51
- 239000004814 polyurethane Substances 0.000 description 14
- 238000011161 development Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 5
- 239000004800 polyvinyl chloride Substances 0.000 description 5
- 238000004781 supercooling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000009955 starching Methods 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 240000006413 Prunus persica var. persica Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The invention discloses a needle plate sizing waterborne matte treatment production line, comprising an unreeling device, a storage buffer device, a waterborne pulp roller coating device, a primary oven, a cooling device, a secondary oven, a cooling sizing device and a reeling device, which are arranged sequentially from front to back, wherein the structures of the primary oven and the secondary oven are identical. By adopting the production line disclosed by the invention, a foundation is laid for guaranteeing the viscosity of a waterborne treatment agent, the sensitivity of the waterborne treatment agent to the external temperature is reduced, the consistency of pulp is ensured, and the requirements of people for products are met. For realizing volatilization and drying of water in the existing waterborne treatment agent, the invention provides a new method and new equipment, and the problem that the waterborne treatment agent cannot be used in the industry is solved by alternately carrying out heating and drying twice and cooling twice.
Description
Technical field
The invention belongs to artificial leather, synthetic leather manufacturing technology field, relate in particular to the sub-light process for producing of a kind of needle plate sizing water-based line.
Background technology
In China, people's custom will be that the artificial leather that raw material is produced is called PVC artificial leather (abbreviation artificial leather) with polyvinyl chloride resin; With PU resin, be that the artificial leather that raw material is produced is called PU artificial leather (being called for short PU leather): with PU resin and nonwoven fabric, be that the artificial leather that raw material is produced is called PU synthetic leather (abbreviation synthetic leather).
The development of Chinese's fabricate-leather, synthetic leather industry, has become an emerging industry that quite has development potentiality.Now, the leather goods that in daily life, designs and varieties are various are seen everywhere, as interior decoration, sofa fabric, automotive trim, clothes, footwear and case and bag etc., people often think that these goods are that natural leather is made, actually this is not so, and the sizable share of these leather goods is occupied by artificial leather, synthetic leather.
Artificial leather, synthetic leather are important component parts of plastics industry, in national economy every profession and trade, are widely used.Artificial leather, synthetic leather were produced existing 60 years development history in the world, and China started development and production artificial leather from 1958, and it is the industry developing early in China Plastics Industry.In recent years, growth, the product yield that manufacturing enterprise's equipment production line is not only in the development of Chinese's fabricate-leather, synthetic leather industry increases year after year, variety design increases every year, and in industry development process, there is an industry organization of oneself, there is suitable cohesiveness, thereby can be Chinese's fabricate-leather, synthetic leather enterprise, comprise that relevant industries organize together, develop into an industry that has considerable strength.
After PVC artificial leather, PU synthetic leather being concentrated on studies and developing through sci tech experts more than 30 year, as the ideal substitute of natural leather, has obtained breakthrough technological progress.
PU is applied on the market that fabric face comes across the 1950's the earliest, and by 1964, du pont company developed a kind of PU synthetic leather as upper of a shoe.After Japanese firm has set up the production line of 600,000 square metres of a set of annual outputs, through the continuous research and development of more than 20 years, no matter PU synthetic leather was in product quality, kind, or in output, all obtained increasing rapidly.Its performance more and more approaches natural leather, and some performance even surpasses natural leather, has reached the degree of dividing with the true and false difficulty of natural leather, in the mankind's daily life in occupation of consequence very.
Chinese's fabricate-leather, synthetic leather was through development in nearly 30 years, become Yi great industry state in the world, production technology level improves constantly, the superior development of forward, yet the raising day by day along with people's living standard and quality of life, artificial leather, synthetic leather must be walked the road of ecology, the application of aqueous polyurethane finishing agent, the finishing technology of aqueous polyurethane has become the development trend of industry, aqueous polyurethane is to take water as decentralized medium, have nontoxic, environmental protection, the features such as safety, it is the preferably replacement product of current solvent borne finishing agent, for realizing this goal, just must in production practicality, solve the technical barrier of aqueous treatment agent application.
Along with people's quality of life and the raising to ecological, environmental protective consciousness, more urgent to the artificial leather of demand in daily life, synthetic leather environmental consciousness, while is along with enforcement and the renewal of the PEACH of European Union rules, national environmental protection department law Laws & Regulations is put into effect in succession, the New Times of an environmental protection starts, as the necessity of people's life, people are more and more higher to the requirement of artificial leather, synthetic leather environmental protection.It is current one to drive greatly gesture that use finishing agent replaces solvent-borne type finishing agent, due to artificial leather, the difference of synthetic leather and corium maximum is exactly that lip-deep sub-light is processed, past artificial leather, the industries such as synthetic leather, all with solvent borne finishing agent, to realize sub-light to process, because the solid content of solvent-borne type finishing agent is all generally 15% left and right, and remaining more than 80% solvent all will evaporate in atmosphere, there is larger VOC residual, such one is to atmosphere pollution, the 2nd, residual is all that society is unacceptable with people to hazard to person, through whole industry unremitting effort, aqueous treatment agent is at artificial leather, synthetic leather industry has been born, but the variety of problems that aqueous treatment agent occurs in process of production, particularly be subject to the impact of ambient temperature, in aqueous treatment agent, moisture evaporation is incomplete, cause artificial leather, water paste in synthetic leather occurs that the excessive or too small phenomenon of viscosity directly affects the optical haze degree of product, feel degree and aesthetics.
Traditional solvent borne process for producing line mainly comprises following processing step: unreel → storing → above process slurry → oven dry → cooling → rolling.Because current environment protection requirement, aqueous treatment is industry Bi Zouzhi road, the physical property of aqueous treatment be water distribute speed slow, require that temperature is high, space is large, baking oven is long, not contraction, traditional machinery cannot meet product width, the feel of artificial leather, synthetic leather, the requirement of oven dry, what it leaned on is guide rolls support, therefore, heat artificial leather, synthetic leather etc. will be out of shape by contracted pattern, seriously perplex popularization and the enforcement of aqueous product.
Summary of the invention
The present invention is in order to solve weak point of the prior art, provides that a kind of moisture evaporation is fast, good drying effect, can guarantee that leather surface does not shrink the sub-light process for producing of indeformable needle plate sizing water-based line.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the sub-light process for producing of needle plate sizing water-based line, comprise unwinding device, storing buffer unit, water paste roller coating device, baking oven, cooling device, secondary baking oven, cooling and shaping device and the wrap-up arranged successively from front to back, a described baking oven is identical with the structure of secondary baking oven;
Baking oven and secondary baking oven include casing, in casing, be provided with hot oil heater, the entrance point of casing and port of export outside are respectively equipped with the first live-roller and the second live-roller, the two ends of the first live-roller and the second live-roller are respectively equipped with the first sprocket wheel, between first sprocket wheel at first sprocket wheel at the first live-roller two ends and the second live-roller two ends, correspondence is provided with the first chain respectively, the first chain is provided with the needle plate with draw point on along its length, casing entrance point outside is provided with and is positioned at the first vertical the first cylinder arranging in chain top, the first cylinder lower end is provided with circular platen, platen periphery is provided with a circle elasticity hairbrush, casing top is provided with exhaust emission tube, the first live-roller two ends are respectively equipped with horizontal strainer.
Described unwinding device comprises the first support, and the first support is provided with let off roll and the first deflector roll, and the first deflector roll is positioned at let off roll rear side.
Described storing buffer unit comprises the framework of hydraulic cylinder and rectangular shape, base of frame is provided with one along fore-and-aft direction level and ranked second deflector roll, frame roof is provided with the second sprocket wheel, hydraulic cylinder vertically arranges, the power drive end of hydraulic cylinder is connected with the second chain, and the second chain is walked around the second sprocket wheel and is connected with movable stand, and movable stand bottom is provided with one and ranked third deflector roll, movable stand front side and rear side are respectively equipped with the roller moving up and down along framework inside portion, and the outside rear side of framework is provided with the 4th deflector roll.
Described water paste roller coating device comprises the second support and pressure roller, second top of the trellis is provided with suspension bracket, two ends, suspension bracket left and right are respectively equipped with second cylinder, pressure roller two ends are provided with the slide block being vertically slidably connected on the second support, two the second cylinder lower end difference correspondences are connected with a slide block, the second support is provided with the slurry filling container being positioned under pressure roller, slurry filling container open top, slurry filling container cross section is lower little large trapezium structure, slurry filling container outside portion is provided with shell, between shell and slurry filling container, form the cavity passage of hollow, exhaust emission tube is connected with cavity passage by hot gas utilization pipe, in slurry filling container, be provided with the pasting roller parallel with pressure roller, pasting roller two ends are rotatably connected on the second support, slurry filling container bottom is provided with bracing frame, bracing frame has montant, the second support lower horizontal is provided with adjusting rod, between adjusting rod and montant, pass through worm-and-wheel gear connection for transmission, adjusting rod operating side is provided with handwheel.
Described cooling device comprises the 3rd support, and the 3rd support is provided with one group of first chill roll, and the first chill roll inside is provided with for passing into the cavity of cold water.
Described cooling and shaping device comprises the 4th support, the 4th support is provided with one group of second chill roll and cutting mechanism, the second chill roll inside is provided with for passing into the cavity of cold water, cutting mechanism is positioned at the second chill roll rear, cutting mechanism comprises along the installing rack that can move along the 4th support left and right horizontal, installing rack is provided with stationary knife dish and manual lead screw governor motion, manual lead screw governor motion lower end is provided with the movable knife disc that is positioned at stationary knife dish top, the blade of stationary knife dish and movable knife disc is crisscross arranged, and stationary knife dish is by being located at the driven by motor on the 4th support.
Described wrap-up comprises the 5th support, and the 5th support is provided with the 5th deflector roll and is positioned at the wind-up roll of the 5th deflector roll rear side.
Adopt technique scheme, concrete operation process of the present invention is: PVC/PU artificial leather, synthetic leather is wrapped on let off roll, artificial leather, the leather surface of synthetic leather first enters into second deflector roll foremost by the first deflector roll, by the second deflector roll, upwards walk around the 3rd deflector roll foremost again, again around to the second deflector roll, walk around so successively after the second deflector roll and the 3rd deflector roll, by the 4th deflector roll, enter between pressure roller and pasting roller again, in slurry filling container, fill aqueous treatment agent, pasting roller is applied to the aqueous treatment agent speckling with on leather surface, then leather surface is again by the first live-roller of a baking oven, the sprocket wheel at the first live-roller and the second live-roller two ends drives respectively the equidirectional motion of the first chain, under the effect of the first cylinder, to pressing down platen, elasticity hairbrush on platen is pressed leather surface to prick to draw point, because leather surface is by draw point tensioning, so just can guarantee that leather surface there will not be the situation of shrinkage while moving in casing, leather surface is out undertaken cooling by passing into the first chill roll of cold water by the first baking oven afterwards, cooled leather surface enters into and in the second baking oven, carries out secondary drying, the oven dry operation situation of leather surface in secondary baking oven is identical with the situation in a baking oven, after secondary baking oven, leather surface first carries out cooling and shaping through passing into the second chill roll of cold water, and then by stationary knife dish and the movable knife disc of cutting mechanism, stationary knife dish is High Rotation Speed under the drive of motor, because stationary knife dish and cutting blade are crisscross arranged, cut away on the limit at the place, hole of so just at an easy rate draw point being pricked, the leather surface of finally shaping after trimming is wound on wind-up roll after by the 5th deflector roll.
Storing buffer unit is in normal operation situation; hydraulic cylinder rises to highest point by the second chain by movable stand; when needs steel loop let off roll; in order not make production line stop operation; the piston rod of hydraulic cylinder extends, and under movable stand and the 3rd deflector roll self gravitation effect, slowly along framework, moves; so just the leather surface being wrapped between the second deflector roll and the 3rd deflector roll can be sent in follow-up operation, thereby realized storing buffering, not shut down operation.
Pressure roller in water paste roller coating device can move up and down by operating the second cylinder, leads to operation handwheel, and adjusting rod rotates, and by worm-and-wheel gear, drives montant to move up and down, thereby regulates the position height of slurry filling container.Aqueous treatment agent in slurry filling container need to guarantee that temperature is at 15 ° ± 5 ° C, guarantee slurry viscosity and starching gloss, carry out needle plate stretching device, because the application's oven structure is more about 50% than existing baking oven area, the high 20 ℃ of left and right of bake out temperature, long 30% left and right, therefore the present invention relies on needle plate drawing and setting, guarantee that product is high in temperature, in the situation of warm-up time length, do not shrink.
In cold winter, just in cavity passage, pass into the hot waste gas of discharging in a baking oven, during the broiling summer, just in cavity passage, pass into cold water, aqueous treatment agent in so just can basic guarantee slurry filling container keeps temperature constant state, thereby guarantees the quality of product.
Baking oven and secondary baking oven, in drying course, all adopt needle plate sizing leather surface, guarantee that like this leather surface keeps smooth in drying course, can shrinkage, thus improved the surface smoothness of drying effect and leather surface.Leather surface both sides are pricked on draw point and adopted the first cylinder compacting platen, and platen is provided with elasticity hairbrush, so easily leather surface is suppressed on draw point and not and is produced active force with draw point.Horizontal strainer is for adjusting the rate of tension of the first chain.
After an oven for drying, leather surface needs first after apparatus for supercooling is cooled to normal temperature, again to carry out to carry out in secondary baking oven oven dry operation again.Can carry out succeeding stretch sizing, oven dry, cooling like this, due to the maximum of water and solvent, distinguishing one is that temperature differs greatly, the 2nd, moisture content volatilization is slow, the finishing agent of solvent borne is after oven dry, along with temperature is progressively cooling, it is also in continuous volatilization, because fourth copper, the third bronze medal flash-point are low, boiling point is low, therefore it does not have larger bounce-back, and aqueous treatment agent, its water after lower than 100 ℃, volatilizees very slow, and can fall after rise again leather surface, therefore, must carry out secondary drying, cooling, progressively reach that product is dry and comfortable not to get damp.
After secondary drying, then through the laggard row cutting edge of supercooling, installing rack can move along the 4th support left and right horizontal, can adjust like this width of cutting edge corner material.
In sum, the present invention is a kind of sub-light for artificial leather, synthetic leather, light treatment facility, from storing to process starching, once, needle plate sizing (heat-conducting oil heating) is to once cooling; Secondary drying, needle plate is shaped again, and secondary is cooling, cutting edge, finished product rolling, baking oven of the present invention can make finished product after being coated with water paste, carries out needle plate stretching, guarantees that drying course does not shrink, after cooling, and secondary drying, needle plate sizing again, guarantees that finished width is consistent, and feel is smooth, does not get damp.
The present invention is that the assurance of aqueous treatment agent viscosity is laid a good foundation, and has reduced the aqueous treatment agent susceptibility of temperature to external world, guarantees the uniformity of slurry, reaches the requirement of people to product.The present invention, for solving volatilization, the oven dry of water in existing aqueous treatment agent, provides a new method and apparatus, uses heating, drying twice, and twice cooling mode hocketing solves a great problem that the industry can not be used aqueous treatment agent.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of storing buffer unit in Fig. 1;
Fig. 3 is the structural representation of water paste roller coating device in Fig. 1;
Fig. 4 is the structural representation of needle plate sizing in Fig. 1;
Fig. 5 is the structural representation of the cutting mechanism of cooling and shaping device in Fig. 1.
The specific embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the sub-light process for producing of needle plate sizing water-based of the present invention line, comprise from front to back the unwinding device arranged successively, storing buffer unit 1, water paste roller coating device 2, baking oven, cooling device, secondary baking oven, cooling and shaping device and a wrap-up, one time baking oven is identical with the structure of secondary baking oven.
Baking oven and secondary baking oven include casing 3, in casing 3, be provided with hot oil heater 4(hot oil heater 4 for existing mature technology, concrete structure repeats no more), the entrance point of casing 3 and port of export outside are respectively equipped with the first live-roller 5 and the second live-roller 6, the two ends of the first live-roller 5 and the second live-roller 6 are respectively equipped with the first sprocket wheel 7, between first sprocket wheel 7 at first sprocket wheel 7 at the first live-roller 5 two ends and the second live-roller 6 two ends, correspondence is provided with the first chain 8 respectively, the first chain 8 is provided with the needle plate with draw point 9 on along its length, casing 3 entrance point outsides are provided with and are positioned at vertical the first cylinder 10 arranging in the first chain 8 tops, the first cylinder 10 lower ends are provided with circular platen 11, platen 11 peripheries are provided with a circle elasticity hairbrush 12, casing 3 tops are provided with exhaust emission tube 13, the first live-roller 5 two ends are respectively equipped with horizontal strainer 51.Horizontal strainer 51 is existing mature technology, and concrete structure repeats no more, and horizontal strainer 51 is for adjusting the rate of tension of the first chain 8.
Unwinding device comprises that the first support 14, the first supports 14 are provided with let off roll 15 and the first deflector roll 16, the first deflector rolls 16 are positioned at let off roll 15 rear sides.
Storing buffer unit 1 comprises the framework 17 of hydraulic cylinder 52 and rectangular shape, framework 17 bottoms are provided with one along fore-and-aft direction level and ranked second deflector roll 18, framework 17 tops are provided with the second sprocket wheel 51, hydraulic cylinder 52 vertically arranges, the power drive end of hydraulic cylinder 52 is connected with the second chain 19, the second chain 19 is walked around the second sprocket wheel 51 and is connected with movable stand 20, movable stand 20 bottoms are provided with one and ranked third deflector roll 21, movable stand 20 front sides and rear side are respectively equipped with the roller 22 moving up and down along framework 17 inside portions, and the outside rear side of framework 17 is provided with the 4th deflector roll 23.
Water paste roller coating device 2 comprises the second support 24 and pressure roller 27, the second support 24 tops are provided with suspension bracket 25, suspension bracket 25 two ends, left and right are respectively equipped with second cylinder 26, pressure roller 27 two ends are provided with the slide block 28 being vertically slidably connected on the second support 24, two the second cylinder 26 lower ends difference correspondences are connected with a slide block 28, the second support 24 is provided with the slurry filling container 29 being positioned under pressure roller 27, slurry filling container 29 open tops, slurry filling container 29 cross sections are lower little large trapezium structure, slurry filling container 29 outside portions are provided with shell 30, between shell 30 and slurry filling container 29, form the cavity passage 31 of hollow, exhaust emission tube 13 is connected with cavity passage 31 by hot gas utilization pipe, in slurry filling container 29, be provided with the pasting roller 32 parallel with pressure roller 27, pasting roller 32 two ends are rotatably connected on the second support 24, slurry filling container 29 bottoms are provided with bracing frame 33, bracing frame 33 has montant 34, the second support 24 lower horizontal are provided with adjusting rod 35, between adjusting rod 35 and montant 34, pass through worm-and-wheel gear 36 connection for transmissions, adjusting rod 35 operating sides are provided with handwheel 37.
Cooling device comprises that the 3rd support 38, the three supports 38 are provided with one group of first chill roll, 39, the first chill roll 39 inside and are provided with for passing into the cavity of cold water.
Cooling and shaping device comprises the 4th support 40, the 4th support 40 is provided with one group of second chill roll 41 and cutting mechanism, the second chill roll 41 inside are provided with for passing into the cavity of cold water, cutting mechanism is positioned at the second chill roll 41 rears, cutting mechanism comprises along the installing rack 42 that can move along the 4th support 40 left and right horizontal, installing rack 42 is provided with stationary knife dish 43 and manual lead screw governor motion 46, manual lead screw governor motion 46 lower ends are provided with the movable knife disc 44 that is positioned at stationary knife dish 43 tops, the blade of stationary knife dish 43 and movable knife disc 44 is crisscross arranged, stationary knife dish 43 drives by the motor 45 being located on the 4th support 40.
Wrap-up comprises that the 5th support 47, the five supports 47 are provided with the 5th deflector roll 48 and the wind-up roll 49 that is positioned at the 5th deflector roll 48 rear sides.
Concrete operation process of the present invention is: PVC/PU artificial leather, synthetic leather is wrapped on let off roll 15, artificial leather, the leather surface 50 of synthetic leather first enters into second deflector roll 18 foremost by the first deflector roll 16, by the second deflector roll 18, upwards walk around the 3rd deflector roll 21 foremost again, again around to the second deflector roll 18, walk around so successively after the second deflector roll 18 and the 3rd deflector roll 21, by the 4th deflector roll 23, enter between pressure roller 27 and pasting roller 32 again, in slurry filling container 29, fill aqueous treatment agent, pasting roller 32 is applied to the aqueous treatment agent speckling with on leather surface 50, then leather surface 50 is again by the first live-roller 5 of a baking oven, the sprocket wheel at the first live-roller 5 and the second live-roller 6 two ends drives respectively the equidirectional motion of the first chain 8, under the effect of the first cylinder 10, to pressing down platen 11, elasticity hairbrush 12 on platen 11 is pressed leather surface 50 to prick to draw point 9, because leather surface 50 both sides are all by draw point 9 tensionings, so just can guarantee that leather surface 50 there will not be the situation of shrinkage when the interior operation of casing 3, leather surface 50 is out undertaken cooling by passing into the first chill roll 39 of cold water by the first baking oven afterwards, cooled leather surface 50 enters into and in the second baking oven, carries out secondary drying, the oven dry operation situation of leather surface 50 in secondary baking oven is identical with the situation in a baking oven, after secondary baking oven, leather surface 50 first carries out cooling and shaping through passing into the second chill roll 41 of cold water, and then by stationary knife dish 43 and the movable knife disc 44 of cutting mechanism, stationary knife dish 43 is High Rotation Speed under the drive of motor 45, because stationary knife dish 43 and cutting blade are crisscross arranged, cut away on the limit at the place, hole of so just at an easy rate draw point 9 being pricked, the leather surface 50 of finally shaping after trimming is wound on wind-up roll 49 after by the 5th deflector roll 48.
Storing buffer unit 1 is in normal operation situation; hydraulic cylinder 52 rises to highest point by the second chain 19 by movable stand 20; when needs steel loop let off roll 15; in order not make production line stop operation; the piston rod of hydraulic cylinder 52 extends, and under movable stand 20 and the 3rd deflector roll 21 self gravitation effects, slowly along framework 17, moves; so just the leather surface 50 being wrapped between the second deflector roll 18 and the 3rd deflector roll 21 can be sent in follow-up operation, thereby realized storing buffering, not shut down operation.
Pressure roller 27 in water paste roller coating device 2 can move up and down by operating the second cylinder 26, leads to operation handwheel 37, and adjusting rod 35 rotates, and by worm-and-wheel gear 36, drives montant 34 to move up and down, thereby regulates the position height of slurry filling container 29.Aqueous treatment agent in slurry filling container 29 need to guarantee that temperature is at 15 ° ± 5 ° C, guarantee slurry viscosity and starching gloss, carry out needle plate stretching device, because the application's oven structure is more about 50% than existing baking oven area, the high 20 ℃ of left and right of bake out temperature, long 30% left and right, therefore the present invention relies on needle plate drawing and setting, guarantee that product is high in temperature, in the situation of warm-up time length, do not shrink.
In cold winter, just in cavity passage 31, pass into the hot waste gas of discharging in a baking oven, during the broiling summer, just in cavity passage 31, pass into cold water, aqueous treatment agent in so just can basic guarantee slurry filling container 29 keeps temperature constant state, thereby guarantees the quality of product.
Baking oven and secondary baking oven, in drying course, all adopt needle plate sizing leather surface 50, guarantee that like this leather surface 50 keeps smooth in drying course, can shrinkage, thus improved the surface smoothness of drying effect and leather surface 50.Leather surface 50 both sides are pricked on draw point 9 and adopted the first cylinder 10 compacting platens 11, and platen 11 is provided with elasticity hairbrush 12, so easily leather surface 50 is suppressed on draw points 9 and not and is produced active forces with draw point 9.
After an oven for drying, leather surface 50 needs first after apparatus for supercooling is cooled to normal temperature, again carry out to carry out in secondary baking oven oven dry operation again.Can carry out succeeding stretch sizing, oven dry, cooling like this, due to the maximum of water and solvent, distinguishing one is that temperature differs greatly, the 2nd, moisture content volatilization is slow, the finishing agent of solvent borne is after oven dry, along with temperature is progressively cooling, it is also in continuous volatilization, because fourth copper, the third bronze medal flash-point are low, boiling point is low, therefore it does not have larger bounce-back, and aqueous treatment agent, its water after lower than 100 ℃, volatilizees very slow, and can fall after rise again leather surface, therefore, must carry out secondary drying, cooling, progressively reach that product is dry and comfortable not to get damp.
After secondary drying, then through the laggard row cutting edge of supercooling, installing rack 42 can move along the 4th support 40 left and right horizontal, can adjust like this width of cutting edge corner material.
The present embodiment is not done any pro forma restriction to shape of the present invention, material, structure etc.; any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all belong to the protection domain of technical solution of the present invention.
Claims (7)
1. the sub-light process for producing of needle plate sizing water-based line, it is characterized in that: comprise unwinding device, storing buffer unit, water paste roller coating device, baking oven, cooling device, secondary baking oven, cooling and shaping device and the wrap-up arranged successively from front to back, a described baking oven is identical with the structure of secondary baking oven;
Baking oven and secondary baking oven include casing, in casing, be provided with hot oil heater, the entrance point of casing and port of export outside are respectively equipped with the first live-roller and the second live-roller, the two ends of the first live-roller and the second live-roller are respectively equipped with the first sprocket wheel, between first sprocket wheel at first sprocket wheel at the first live-roller two ends and the second live-roller two ends, correspondence is provided with the first chain respectively, the first chain is provided with the needle plate with draw point on along its length, casing entrance point outside is provided with and is positioned at the first vertical the first cylinder arranging in chain top, the first cylinder lower end is provided with circular platen, platen periphery is provided with a circle elasticity hairbrush, casing top is provided with exhaust emission tube, the first live-roller two ends are respectively equipped with horizontal strainer.
2. the sub-light process for producing of needle plate sizing water-based according to claim 1 line, is characterized in that: described unwinding device comprises the first support, and the first support is provided with let off roll and the first deflector roll, and the first deflector roll is positioned at let off roll rear side.
3. the sub-light process for producing of needle plate according to claim 1 sizing water-based line, it is characterized in that: described storing buffer unit comprises the framework of hydraulic cylinder and rectangular shape, base of frame is provided with one along fore-and-aft direction level and ranked second deflector roll, frame roof is provided with the second sprocket wheel, hydraulic cylinder vertically arranges, the power drive end of hydraulic cylinder is connected with the second chain, the second chain is walked around the second sprocket wheel and is connected with movable stand, movable stand bottom is provided with one and ranked third deflector roll, movable stand front side and rear side are respectively equipped with the roller moving up and down along framework inside portion, the outside rear side of framework is provided with the 4th deflector roll.
4. the sub-light process for producing of needle plate according to claim 1 sizing water-based line, it is characterized in that: described water paste roller coating device comprises the second support and pressure roller, second top of the trellis is provided with suspension bracket, two ends, suspension bracket left and right are respectively equipped with second cylinder, pressure roller two ends are provided with the slide block being vertically slidably connected on the second support, two the second cylinder lower end difference correspondences are connected with a slide block, the second support is provided with the slurry filling container being positioned under pressure roller, slurry filling container open top, slurry filling container cross section is lower little large trapezium structure, slurry filling container outside portion is provided with shell, between shell and slurry filling container, form the cavity passage of hollow, exhaust emission tube is connected with cavity passage by hot gas utilization pipe, in slurry filling container, be provided with the pasting roller parallel with pressure roller, pasting roller two ends are rotatably connected on the second support, slurry filling container bottom is provided with bracing frame, bracing frame has montant, the second support lower horizontal is provided with adjusting rod, between adjusting rod and montant, pass through worm-and-wheel gear connection for transmission, adjusting rod operating side is provided with handwheel.
5. the sub-light process for producing of needle plate sizing water-based according to claim 1 line, is characterized in that: described cooling device comprises the 3rd support, and the 3rd support is provided with one group of first chill roll, and the first chill roll inside is provided with for passing into the cavity of cold water.
6. the sub-light process for producing of needle plate according to claim 1 sizing water-based line, it is characterized in that: described cooling and shaping device comprises the 4th support, the 4th support is provided with one group of second chill roll and cutting mechanism, the second chill roll inside is provided with for passing into the cavity of cold water, cutting mechanism is positioned at the second chill roll rear, cutting mechanism comprises along the installing rack that can move along the 4th support left and right horizontal, installing rack is provided with stationary knife dish and manual lead screw governor motion, manual lead screw governor motion lower end is provided with the movable knife disc that is positioned at stationary knife dish top, the blade of stationary knife dish and movable knife disc is crisscross arranged, stationary knife dish is by being located at the driven by motor on the 4th support.
7. the sub-light process for producing of needle plate sizing water-based according to claim 1 line, is characterized in that: described wrap-up comprises the 5th support, and the 5th support is provided with the 5th deflector roll and is positioned at the wind-up roll of the 5th deflector roll rear side.
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| CN201410179570.1A CN103938459B (en) | 2014-04-30 | 2014-04-30 | Needle plate sizing water-based sub-light process for producing line |
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| CN201410179570.1A CN103938459B (en) | 2014-04-30 | 2014-04-30 | Needle plate sizing water-based sub-light process for producing line |
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| CN106040010A (en) * | 2016-06-30 | 2016-10-26 | 深圳市浩能科技有限公司 | Reverse osmosis membrane production equipment and reverse osmosis membrane preparation method |
| CN110396829A (en) * | 2019-07-30 | 2019-11-01 | 浙江百得利制革有限公司 | A kind of artificial leather salient point application device |
| CN110924028A (en) * | 2019-12-23 | 2020-03-27 | 湖州甬邦纺织品织造有限公司 | Calendering device for textile fabric production |
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| CN103938459B (en) | 2015-11-18 |
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