CN105908519B - Polyurethane PU synthetic leather semi-finished product production line - Google Patents
Polyurethane PU synthetic leather semi-finished product production line Download PDFInfo
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- CN105908519B CN105908519B CN201610406551.7A CN201610406551A CN105908519B CN 105908519 B CN105908519 B CN 105908519B CN 201610406551 A CN201610406551 A CN 201610406551A CN 105908519 B CN105908519 B CN 105908519B
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- baking oven
- cloth
- coating
- polyurethane
- synthetic leather
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a kind of polyurethane PU synthetic leather semi-finished product production line, set successively according to the order of unwinding device, dipping device, the first apparatus for coating, the first baking oven, the second apparatus for coating, the second baking oven and wrap-up, in the baking oven warm-air pipe is respectively equipped with above and below cloth conveying device, the side of the warm-air pipe towards cloth is respectively equipped with discharge pipe, and the wind direction of the hot blast of the air outlet blowout of the discharge pipe for horizontal direction or blows to the side away from cloth.Understand from the above, the polyurethane PU synthetic leather semi-finished product production line of the present invention, the wind direction of the air outlet of discharge pipe in baking oven does not blow to cloth directly, while ensureing the moisture content rapid evaporation in aqueous coating, the aqueous coating of design on fabric surface is avoided to destroy surface quality under wind-force effect not solidified when；It is and relatively low compared to infrared lamps, its energy consumption.
Description
Technical field
The present invention relates to the production field of synthetic leather, and in particular to a kind of polyurethane PU synthetic leather semi-finished product production line.
Background technology
The equipment for drying synthetic leather production line of prior art, it is specific to the design of oleoresin coating.Oleoresin
In contain substantial amounts of toxic and harmful gas, bring great injury to environment and operator, and use oleoresin coating
Also poisonous and harmful substance can be remained in manufactured synthetic leather, harm is also resulted in consumer.So people gradually start at present
The production of synthetic leather is carried out using nontoxic water-base resin.It is that blow-through is carried out to cloth with oven equipment of the prior art
, because oleoresin viscosity is larger, even if airduct is directly against oiliness tree in the case of oleoresin coating is not solidified
Fat coating blows, and will not also cause the air that oleoresin coating surface is flowed to destroy, so existing baking oven is imitated to dry
Fruit, all it is against cloth blow-through by airduct, but water-base resin viscosity is smaller, water-base resin coating quilt in the case of not solidified
If airduct blow-through, the surface of water-base resin coating can be caused to be destroyed, and then cause the outward appearance of product unqualified；And due to
Contain substantial amounts of water in water-base resin, water-base resin can also evaporate a large amount of vapor, cause oven equipment of the prior art
It is not enough to the drying requirement for reaching water-base resin polyurethane PU synthetic leather.If carrying out illumination heating using infrared lamp, though
So can effectively it heat, and the coating surface of cloth there will not be air blow-through, but because the length of baking oven is longer, cause
It is high using the baking oven energy consumption of infrared lamp lampshade；Additionally, due between the heating effect and cloth and infrared lamp of infrared light away from
From there is direct relation, so the cloth of the heating effect of the cloth between two neighboring infrared lamp and face infrared lamp adds
Thermal effect simultaneously differs, i.e., infrared lamp is used as the oven temperature of heating source and uneven.
In addition, the water-base resin synthetic leather production line of prior art is, it is necessary to which the water-base resin on cloth is put in acid solution
The acid on cloth is removed by washing again after alternatively.This technics comparing is cumbersome, and can be produced in production process big
The acid waste water of amount, the processing for waste water is cumbersome, and processing cost is higher.
The content of the invention
It is an object of the invention to：Overcome the deficiencies in the prior art, there is provided a kind of air outlet of the discharge pipe in baking oven
Wind direction does not blow to cloth directly, and the wind direction of the air outlet of the discharge pipe in baking oven does not blow to cloth directly, ensures in aqueous coating
Moisture content rapid evaporation while, avoid the aqueous coating of the design on fabric surface destruction table under wind-force effect not solidified when
Face quality；It is and relatively low compared to infrared lamps, its energy consumption；Air outlet is directly arranged in the side wall of discharge pipe, is easy to air-out
The direct production and processing of pipe, reduce production cost；By the way that air outlet to be located to the bottom of discharge pipe, and set below air outlet
There is baffle plate, be easy to existing oven equipment to be transformed；By the effect of the exhaust column at the top of baking oven, baking oven is included into a large amount of water and steamed
The air of gas is extracted out, and ensure that cloth continues drying；Hot blast is used in baking oven as heat-conducting medium, by the flowing of hot blast,
It ensure that the homogeneous heating degree in baking oven；Dried by the way that the cloth after impregnation is directly entered into baking oven, by the water in cloth
Divide and directly remove, so as to reduce technological process, it also avoid the generation of acid waste water, reduce the processing cost of waste water；Root
It is different according to the medium in dipping device, and by the use of ironing device, the second apparatus for coating and the second baking oven whether so that
The production line of the present invention can also be realized comprising impregnated with method, double rubbing methods and the poly- ammonia for being impregnated with the techniques such as rubbing method, double rubbing methods
Ester PU synthetic leather semi-finished product produce, and improve the scope of application of production line；Cloth is produced by the technique of double rubbing methods, institute
The product of production has more thickness sense, and texture is closer to corium；Due to eliminating the process with acid displacement and washing acid solution, directly
Connect and water-base resin is dried, cause the moisture that cloth can volatilize in drying course to be far longer than in the prior art through peracid
The moisture that the cloth drying chamber of displacement and washing acid solution is volatilized, can be before design on fabric surface not be influenceed by oven structure
Put, cloth is effectively dried.
The technical solution used in the present invention is：
Polyurethane PU synthetic leather semi-finished product production line, including unwinding device, dipping device, apparatus for coating, baking oven and winding
Device, in addition to through the cloth conveying device in baking oven, the apparatus for coating includes the first apparatus for coating and the second painting arranges
Put, the baking oven includes the first baking oven and the second baking oven, and successively according to unwinding device, dipping device, the first apparatus for coating,
First baking oven, the second apparatus for coating, the order of the second baking oven and wrap-up are set, and are located at cloth conveying device in the baking oven
Above and below be respectively equipped with warm-air pipe, the side of the warm-air pipe towards cloth is respectively equipped with discharge pipe, the discharge pipe
The wind direction of hot blast of air outlet blowout for horizontal direction or blow to the side away from cloth.
Further improvement project of the invention is that the air outlet is located at discharge pipe towards one end of cloth, the discharge pipe
Air outlet and cloth between be provided with deep bead.
Further improvement project of the invention is the two side portions level of the deep bead or the side to remote cloth
Tilt.
Further improvement project of the invention is that the air outlet is located at the side wall of discharge pipe.
Further improvement project of the invention is, the top of the baking oven is provided with exhaust column, in the exhaust column and baking oven
Connection.
Further improvement project of the invention is that the ironing device is located at opening position between pressurizing unit and apparatus for coating
Top.
Further improvement project of the invention is that the temperature in the baking oven is in the range of 70 ~ 140 degrees Celsius.
Further improvement project of the invention is that the temperature in baking oven increases successively along order from the front to the back, described
The temperature of leading portion is in the range of 70 ~ 90 degrees Celsius in baking oven, model of the temperature of back segment at 100 ~ 140 degrees Celsius in the baking oven
In enclosing.
Further improvement project of the invention is that the conveying direction that the discharge pipe is respectively perpendicular to cloth is horizontally disposed with,
And it is sequentially distributed along the conveying direction of cloth.
Further improvement project of the invention is that the cloth is transmitted, the biography when by baking oven by driving-chain
Direction of the top of chain along driving-chain is sent to be fixed with pricker, the pricker fixes the both sides of cloth with driving-chain.
Further improvement project of the invention is, in addition to cooling device, the cooling device include the first cooling device
With the second cooling device, first cooling device is located at opening position between the first baking oven and the second apparatus for coating, and described second
Cooling device is located at opening position between the second baking oven and wrap-up.
Further improvement project of the invention is, in addition to cloth storage device, and the cloth storage device is located at unwinding device with containing
Between bath unit.
Further improvement project of the invention is, in addition to pressurizing unit, the pressurizing unit are located at going out for dipping device
Expect end.
Further improvement project of the invention is, in addition to ironing device, and the ironing device is located at dipping device and the
Opening position between one apparatus for coating.
Further improvement project of the invention is that the ironing device is located at the pressurizing unit and apparatus for coating of dipping device
Between opening position top.
Further improvement project of the invention is that one end of cloth is wound on unwinding device, and the other end of cloth passes through successively
Cross cloth storage device, dipping device, pressurizing unit, the first apparatus for coating, the first baking oven, the first cooling device, the second apparatus for coating,
Second baking oven, the second cooling device and wrap-up, the interior dipping device is containing immersion liquid.
Further improvement project of the invention is that one end of cloth is wound on unwinding device, and the other end of cloth passes through successively
Cross cloth storage device, dipping device, pressurizing unit, ironing device, the first apparatus for coating, the first baking oven, the first cooling device, second
Apparatus for coating, the second baking oven, the second cooling device and wrap-up, it is clear water that the dipping device is interior.
Further improvement project of the invention is that one end of cloth is wound on unwinding device, and the other end of cloth passes through successively
Cross cloth storage device, dipping device, pressurizing unit, the first apparatus for coating, the first baking oven, the first cooling device, the second apparatus for coating,
Second baking oven, the second cooling device and wrap-up, it is provided with the dipping device and contains immersion liquid, second apparatus for coating and the
Two baking ovens are stopped.
The beneficial effects of the present invention are：
Firstth, polyurethane PU synthetic leather semi-finished product production line of the invention, the wind direction of the air outlet of the discharge pipe in baking oven
Cloth is not blowed to directly, while ensureing the moisture content rapid evaporation in aqueous coating, avoids the aqueous coating of design on fabric surface not
When solidification surface quality is destroyed under wind-force effect；It is and relatively low compared to infrared lamps, its energy consumption.
Secondth, polyurethane PU synthetic leather semi-finished product production line of the invention, air outlet is directly arranged in the side wall of discharge pipe,
It is easy to the direct production and processing of discharge pipe, reduces production cost.
3rd, polyurethane PU synthetic leather semi-finished product production line of the invention, by the way that air outlet to be located to the bottom of discharge pipe,
And baffle plate is provided with the lower section of air outlet, it is easy to existing oven equipment to be transformed.
4th, polyurethane PU synthetic leather semi-finished product production line of the invention, will by the effect of the exhaust column at the top of baking oven
The air that baking oven includes a large amount of vapor is extracted out, and ensure that cloth continues drying.
5th, polyurethane PU synthetic leather semi-finished product production line of the invention, baking oven is interior to use hot blast to lead to as heat-conducting medium
The flowing of hot blast is crossed, ensure that the homogeneous heating degree in baking oven.
6th, polyurethane PU synthetic leather semi-finished product production line of the invention, by the way that the cloth after impregnation is directly entered into baking
Case is dried, and the moisture in cloth is directly removed, and so as to reduce technological process, it also avoid the generation of acid waste water,
Reduce the processing cost of waste water.
7th, polyurethane PU synthetic leather semi-finished product production line of the invention, it is different according to the medium in dipping device, and
By the use of ironing device, the second apparatus for coating and the second baking oven whether so that production line of the invention can also realize bag
Containing impregnated with method, double rubbing methods and the polyurethane PU synthetic leather semi-finished product production for being impregnated with the techniques such as rubbing method, double rubbing methods, improve
The scope of application of production line.
8th, polyurethane PU synthetic leather semi-finished product production line of the invention, cloth are given birth to by the technique of double rubbing methods
Production, the product produced have more thickness sense, and texture is closer to corium.
9th, polyurethane PU synthetic leather semi-finished product production line of the invention, due to eliminating with acid displacement and washing acid solution
Process, directly water-base resin is dried, causes the moisture that cloth can volatilize in drying course to be far longer than existing skill
The moisture that the cloth drying chamber of acid solution is volatilized is replaced and washed in art through peracid, cloth can not influenceed by oven structure
On the premise of expecting surface, cloth is effectively dried.
Brief description of the drawings：
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the partial structurtes schematic cross-sectional view of baking oven.
Fig. 3 is the section view enlarged diagram of embodiment 1.
Fig. 4 is the section view enlarged diagram of embodiment 2.
Fig. 5 is the section view enlarged diagram of embodiment 3.
Fig. 6 is the section view enlarged diagram of embodiment 4.
Embodiment：
Understood with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the present invention includes unwinding device 1, dipping device 3, coating
Device 6, baking oven 7 and wrap-up 9, in addition to include first through the cloth conveying device in baking oven 7, the apparatus for coating 6
Apparatus for coating and the second apparatus for coating, the baking oven 7 include the first baking oven and the second baking oven, and successively according to unwinding device 1,
Dipping device 3, the first apparatus for coating, the first baking oven, the second apparatus for coating, the order of the second baking oven and wrap-up 9 are set, institute
State and be respectively equipped with warm-air pipe 12 in baking oven 7 above and below cloth conveying device, the warm-air pipe 12 is towards cloth 11
Side be respectively equipped with discharge pipe 13, the wind direction for the hot blast that the air outlet 17 of the discharge pipe 13 is blown out for horizontal direction or blows
To the side away from cloth 11；The air outlet 17 goes out located at discharge pipe 13 towards one end of cloth 11, the discharge pipe 13
Deep bead 18 is provided between air port 17 and cloth 11；The two side portions level of the deep bead 18 or one to remote cloth 11
Roll oblique；The air outlet 17 is located at the side wall of discharge pipe 13；The top of the baking oven 7 is provided with exhaust column 16, the exhaust column
16 in baking oven 7 with connecting；Temperature in the baking oven 7 in the range of 70 ~ 140 degrees Celsius, and the temperature in baking oven 7 along
Order from the front to the back increases successively, and the temperature of leading portion is in the range of 70 ~ 90 degrees Celsius in the baking oven 7, in the baking oven 7
The temperature of back segment is in the range of 100 ~ 140 degrees Celsius；The conveying direction that the discharge pipe 13 is respectively perpendicular to cloth 11 is horizontal
Set, and be sequentially distributed along the conveying direction of cloth 11；The cloth 11 is transmitted when by baking oven 7 by driving-chain 15,
Direction of the top of the conveyer chain 15 along driving-chain 15 is fixed with pricker 14, and the pricker 14 is by the both sides of cloth 11 and transmission
Chain 15 is fixed；Also including cooling device 8, the cooling device 8 includes the first cooling device and the second cooling device, and described first
Cooling device is located at opening position between the first baking oven and the second apparatus for coating, and second cooling device is located at the second baking oven with receiving
Opening position between winding apparatus 9；Also include cloth storage device 2, the cloth storage device 2 is located between unwinding device 1 and dipping device 3；
Also include pressurizing unit 4, the pressurizing unit 4 is located at the discharge end of dipping device 3；Also include ironing device 5, the dress that plates
Put 5 opening positions being located between the apparatus for coating of dipping device 3 and first；The ironing device 5 fills located at the extruding of dipping device 3
Put the top of opening position between 4 and apparatus for coating 6.
Embodiment 1
With reference to shown in Fig. 2 and Fig. 3, the top and bottom in the baking oven 7 are respectively fixed with warm-air pipe 12, the warm-air pipe
12 are respectively equipped with discharge pipe 13 towards the side of cloth 11, and the wind direction of the hot blast of the blowout of air outlet 17 of the discharge pipe 13 is water
Square to；The air outlet 17 is located at discharge pipe 13 towards one end of cloth 11, air outlet 17 and the serge of the discharge pipe 13
Deep bead 18 is provided between 11；Two side portions of the deep bead 18 are horizontal.
Embodiment 2
With reference to shown in Fig. 2 and Fig. 4, the top and bottom in the baking oven 7 are respectively fixed with warm-air pipe 12, the warm-air pipe
12 are respectively equipped with discharge pipe 13 towards the side of cloth 11, and the hot blast that the air outlet 17 of the discharge pipe 13 is blown out is blowed to away from cloth
The side of material 11；The air outlet 17 located at discharge pipe 13 towards one end of cloth 11, the air outlet 17 of the discharge pipe 13 with
Deep bead 18 is provided between cloth 11；Two side portions of the deep bead 18 tilt to the side away from cloth 11.
Embodiment 3
With reference to shown in Fig. 2 and Fig. 5, the top and bottom in the baking oven 7 are respectively fixed with warm-air pipe 12, the warm-air pipe
12 are respectively equipped with discharge pipe 13 towards the side of cloth 11, and the wind direction of the hot blast of the blowout of air outlet 17 of the discharge pipe 13 is water
Square to；The air outlet 17 is located at the side wall of discharge pipe 13.
Embodiment 4
With reference to shown in 2 and Fig. 6, the top and bottom in the baking oven 7 are respectively fixed with warm-air pipe 12, the warm-air pipe
12 are respectively equipped with discharge pipe 13 towards the side of cloth 11, and the wind direction of the hot blast of the blowout of air outlet 17 of the discharge pipe 13 blows to
Side away from cloth 11；The air outlet 17 is located at the side wall of discharge pipe 13.
One end of the cloth 11 is wound on unwinding device 1, and the other end of cloth 11 is successively by cloth storage device 2, impregnation
Device 3, pressurizing unit 4, the first apparatus for coating, the first baking oven, the first cooling device, the second apparatus for coating, the second baking oven, second
Cooling device and wrap-up 9, the interior dipping device 3 is containing immersion liquid.The polyurethane PU synthesis of impregnation rubbing method can be realized
Remove from office the production of semi-finished product.
One end of the cloth 11 is wound on unwinding device 1, and the other end of cloth 11 is successively by cloth storage device 2, impregnation
Device 3, pressurizing unit 4, ironing device 5, the first apparatus for coating, the first baking oven, the first cooling device, the second apparatus for coating,
Two baking ovens, the second cooling device and wrap-up 9, it is clear water that the dipping device 3 is interior.The polyurethane of double rubbing methods can be realized
The production of PU synthetic leather semi-finished product.
One end of the cloth 11 is wound on unwinding device 1, and the other end of cloth 11 is successively by cloth storage device 2, impregnation
Device 3, pressurizing unit 4, the first apparatus for coating, the first baking oven, the first cooling device, the second apparatus for coating, the second baking oven, second
Cooling device and wrap-up 9, the interior dipping device 3 is to stop containing immersion liquid, second apparatus for coating and the second baking oven
Work.The production of the polyurethane PU synthetic leather semi-finished product of impregnated with method can be realized.
One end of the cloth 11 is wound on unwinding device 1, and the other end of cloth 11 is successively by cloth storage device 2, impregnation
Device 3, pressurizing unit 4, ironing device 5, the first apparatus for coating, the first baking oven, the first cooling device, the second apparatus for coating,
Two baking ovens, the second cooling device and wrap-up 9, the interior dipping device 3 is clear water, and second apparatus for coating and second are dried
Case is stopped.The production of the polyurethane PU synthetic leather semi-finished product of rubbing method can be realized.
Claims (7)
1. polyurethane PU synthetic leather semi-finished product production line, it is characterised in that：Including unwinding device（1）, dipping device（3）, coating
Device（6）, baking oven（7）And wrap-up（9）, in addition to through baking oven（7）Interior cloth conveying device, the apparatus for coating
（6）Including the first apparatus for coating and the second apparatus for coating, the baking oven（7）Including the first baking oven and the second baking oven, and successively
According to unwinding device（1）, dipping device（3）, the first apparatus for coating, the first baking oven, the second apparatus for coating, the second baking oven and winding
Device（9）Order set, the baking oven（7）It is interior to be respectively equipped with warm-air pipe above and below cloth conveying device
（12）, the warm-air pipe（12）Towards cloth（11）Side be respectively equipped with discharge pipe（13）, the discharge pipe（13）Air-out
Mouthful（17）The wind direction of the hot blast of blowout is horizontal direction or blowed to away from cloth（11）Side；The air outlet（17）It is located at
Discharge pipe（13）Towards cloth（11）One end, the discharge pipe（13）Air outlet（17）With cloth（11）Between be provided with keep out the wind
Plate（18）, or the air outlet（17）Located at discharge pipe（13）Side wall；The discharge pipe（13）It is respectively perpendicular to cloth
（11）Conveying direction be horizontally disposed with, and along cloth（11）Conveying direction be sequentially distributed.
2. polyurethane PU synthetic leather semi-finished product production line as claimed in claim 1, it is characterised in that：The baking oven（7）Top
Portion is provided with exhaust column（16）, the exhaust column（16）With baking oven（7）Interior connection.
3. the production line of impregnated with method production polyurethane PU synthetic leather semi-finished product as claimed in claim 1, it is characterised in that：Also wrap
Include cooling device（8）, the cooling device（8）Including the first cooling device and the second cooling device, first cooling device
The opening position between the first baking oven and the second apparatus for coating, second cooling device are located at the second baking oven and wrap-up
（9）Between opening position.
4. the production line of impregnated with method production polyurethane PU synthetic leather semi-finished product as claimed in claim 1, it is characterised in that：Also wrap
Include cloth storage device（2）, the cloth storage device（2）Located at unwinding device（1）With dipping device（3）Between.
5. the production line of impregnated with method production polyurethane PU synthetic leather semi-finished product as claimed in claim 1, it is characterised in that：Also wrap
Include pressurizing unit（4）, the pressurizing unit（4）Positioned at dipping device（3）Discharge end.
6. polyurethane PU synthetic leather semi-finished product production line as claimed in claim 1, it is characterised in that：Also include ironing device
（5）, the ironing device（5）Located at dipping device（3）With the opening position between the first apparatus for coating.
7. polyurethane PU synthetic leather semi-finished product production line as claimed in claim 6, it is characterised in that：The ironing device（5）
Located at dipping device（3）With apparatus for coating（6）Between opening position top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406551.7A CN105908519B (en) | 2016-06-12 | 2016-06-12 | Polyurethane PU synthetic leather semi-finished product production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406551.7A CN105908519B (en) | 2016-06-12 | 2016-06-12 | Polyurethane PU synthetic leather semi-finished product production line |
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| CN105908519A CN105908519A (en) | 2016-08-31 |
| CN105908519B true CN105908519B (en) | 2017-12-19 |
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| CN107034685B (en) * | 2017-03-31 | 2020-05-05 | 福建锐信合成革有限公司 | Polyurethane waterproof leather production line |
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2016
- 2016-06-12 CN CN201610406551.7A patent/CN105908519B/en active Active
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|---|---|---|---|---|
| CN201092628Y (en) * | 2007-07-18 | 2008-07-30 | 常州市东龙合成革厂 | Production facility for polyurethane four-side elastic synthetic leather |
| CN201924176U (en) * | 2010-12-09 | 2011-08-10 | 东莞盈隆机械有限公司 | Braid dyeing machine oven |
| CN102671830A (en) * | 2012-06-04 | 2012-09-19 | 浙江科翔壁纸制造有限公司 | Coating machine |
| CN202786892U (en) * | 2012-09-10 | 2013-03-13 | 合肥市科天化工有限公司 | Production line of waterborne polyurethane synthetic leather bass |
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| CN105908519A (en) | 2016-08-31 |
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