CN109353095B - Environment-friendly waterproof non-woven fabric and production process thereof - Google Patents
Environment-friendly waterproof non-woven fabric and production process thereof Download PDFInfo
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- CN109353095B CN109353095B CN201811500211.6A CN201811500211A CN109353095B CN 109353095 B CN109353095 B CN 109353095B CN 201811500211 A CN201811500211 A CN 201811500211A CN 109353095 B CN109353095 B CN 109353095B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses an environment-friendly waterproof non-woven fabric and a production process thereof, wherein the environment-friendly waterproof non-woven fabric comprises a first PP non-woven fabric layer, a PE casting film layer and a second PP non-woven fabric layer, wherein the first PP non-woven fabric layer, the PE casting film layer and the second PP non-woven fabric layer form an environment-friendly waterproof non-woven fabric body, and the first PP non-woven fabric layer and the second PP non-woven fabric layer are respectively attached to two sides of the PE casting film layer; wherein the weight of each square meter of the environment-friendly waterproof non-woven fabric body is 250g, and the weight component ratio of the first PP non-woven fabric layer, the PE cast film layer and the second PP non-woven fabric layer in each square meter of the environment-friendly waterproof non-woven fabric body is 2: 1: 2; the invention does not cause any pollution, is harmless to human body, and has strong strength, high thickness, good friction resistance and super-strong waterproofness; be convenient for prevent the skew of environmental protection waterproof non-woven fabrics body, be favorable to removing the hot pressing bonding, be convenient for simultaneously cooling and secondary pressurization make the environmental protection waterproof non-woven fabrics body more inseparable, the structure is more durable.
Description
Technical Field
The invention relates to the technical field of environment-friendly waterproof non-woven fabrics, in particular to an environment-friendly waterproof non-woven fabric and a production process thereof.
Background
Waterproof non-woven fabrics are of various kinds, most common is PVC waterproof non-woven fabric, and a two-layer compounding method is adopted. The waterproof non-woven fabric adopted by the prior technical scheme is not an environment-friendly material, and PVC is a slightly toxic material harmful to human bodies, so that the health organization in 2017 confirms that PVC has cancerogenic harm, and in addition, the waterproof performance of the waterproof non-woven fabric produced by the prior art is poor. For the production of waterproof nonwovens, the following disadvantages are present: the environment-friendly waterproof non-woven fabric body is inconvenient to clamp, the environment-friendly waterproof non-woven fabric body cannot be prevented from deviating, and cooling and secondary pressurization are inconvenient, so that the environment-friendly waterproof non-woven fabric body is not compact enough, and the structure is not firm enough; aiming at the defects, the design of an environment-friendly waterproof non-woven fabric and a production process are necessary.
Disclosure of Invention
The invention aims to provide an environment-friendly waterproof non-woven fabric and a production process thereof, which do not cause any pollution and are harmless to human bodies, and have super-strong waterproofness due to strong strength, high thickness and good friction resistance; be convenient for prevent the skew of environmental protection waterproof non-woven fabrics body, be favorable to removing the hot pressing bonding, be convenient for simultaneously cooling and secondary pressurization make the environmental protection waterproof non-woven fabrics body more inseparable, the structure is more durable.
The purpose of the invention can be realized by the following technical scheme:
an environment-friendly waterproof non-woven fabric comprises a first PP non-woven fabric layer, a PE casting film layer and a second PP non-woven fabric layer, wherein the first PP non-woven fabric layer, the PE casting film layer and the second PP non-woven fabric layer form an environment-friendly waterproof non-woven fabric body, and the first PP non-woven fabric layer and the second PP non-woven fabric layer are respectively attached to two sides of the PE casting film layer;
wherein the weight of each square meter of the environment-friendly waterproof non-woven fabric body is 250g, and the weight component ratio of the first PP non-woven fabric layer, the PE cast film layer and the second PP non-woven fabric layer in each square meter of the environment-friendly waterproof non-woven fabric body is 2: 1: 2.
As a further scheme of the invention: the first PP non-woven fabric layer and the second PP non-woven fabric layer are both polypropylene material members, the PE casting film layer is a polyethylene material member, and the first PP non-woven fabric layer and the second PP non-woven fabric layer are both spun-bonded filament non-woven fabrics.
As a further scheme of the invention: the thickness of the combination of the first PP non-woven fabric layer, the PE casting film layer and the second PP non-woven fabric layer is 1-5 mm.
The production process of the environment-friendly waterproof non-woven fabric comprises the following steps in sequence:
step S1: clamping and fixing the environment-friendly waterproof non-woven fabric body through a hot-pressing compound machine after aligning corners and adjusting the position of the PE cast film layer between a first PP non-woven fabric layer and a second PP non-woven fabric layer;
step S2: preheating one surface of the environment-friendly waterproof non-woven fabric body by a hot-pressing compound machine at the preheating temperature of 80-90 ℃ for 1-2 min, and preheating the other surface of the environment-friendly waterproof non-woven fabric body at the preheating temperature of 80-90 ℃ for 1-2 min;
step S3: carrying out hot-pressing bonding on one surface of the environment-friendly waterproof non-woven fabric body through a hot-pressing compound machine, wherein the hot-pressing bonding temperature is 240 ℃, the hot-pressing bonding time is 5min, and the hot-pressing bonding pressure is 1-2 MPa;
step S4: and cooling one surface of the environment-friendly waterproof non-woven fabric body after hot-press bonding by using a hot-press compound machine for 2min, carrying out hot-press bonding on the other surface of the environment-friendly waterproof non-woven fabric body by using the hot-press compound machine at the hot-press bonding temperature of 240 ℃ for 5min, wherein the hot-press bonding pressure is 1-2 MPa, and then carrying out cooling treatment.
As a further scheme of the invention: the hot-pressing compound machine comprises a working platform, a clamping component, a moving component and a hot-pressing component, wherein the clamping component and the moving component are installed on the working platform, the hot-pressing component is installed on the moving component, the working platform is in a shape that two sides are high and the middle is low, and the two sides of the working platform are high and vertical plates;
the clamping assembly comprises a clamping groove and a bolt, the clamping groove is formed in the bottom end of the inner side of a vertical plate of the working platform, two bolt holes are symmetrically formed in two ends of the top of the vertical plate of the working platform respectively, and each bolt hole is in threaded connection with the bolt;
the movable assembly comprises a fixed plate, a servo motor, side plates, a fixed groove, a threaded rod and a sliding block, wherein the fixed plate is installed at the top of a vertical plate of the working platform, the fixed groove is formed in the inner side of the fixed plate, the servo motor is fixed on one side of the fixed plate through screws, two sides of the fixed groove correspond to two ends of the threaded rod and are connected with the two ends of the threaded rod, an output shaft of the servo motor is connected with one end of the threaded rod in a transmission mode through a shaft coupling, a threaded hole is formed in the center of one side of the sliding block, the sliding block is sleeved on the threaded rod, one end of the sliding block is clamped in the fixed groove, the top of the sliding block and the bottom of the sliding block correspond to the top.
As a further scheme of the invention: the hot-pressing assembly comprises a first rotating motor, a first pressing roller, an electric heating pipe, a second rotating motor and a second pressing roller, one side of the side plate of the group A on one of the slide blocks is provided with a first rotating motor, the output shaft of the first rotating motor is in transmission connection with one end of a rotating shaft a through a coupler, the other end of the rotating shaft a is vertically connected with the side plate of the group A on the other slide block, wherein one side of a side plate of the group B on the sliding block provided with the first rotating motor is provided with a second rotating motor, the output shaft of the second rotating motor is in transmission connection with one end of a rotating shaft B through a coupler, the other end of the rotating shaft B is vertically connected with the side plate of the group B on the other sliding block, the rotating shaft a is sleeved with a first compression roller, the rotating shaft b is sleeved with a second compression roller, and a plurality of electric heating tubes are embedded in the first compression roller at equal angles.
As a further scheme of the invention: the electrothermal tube is electrically connected with a temperature adjusting device, and the temperature adjusting device is any temperature adjuster.
As a further scheme of the invention: and supporting rods are welded and fixed on the periphery of the bottom of the working platform.
As a further scheme of the invention: the height of draw-in groove equals environmental protection waterproof non-woven fabrics body thickness, first compression roller with second compression roller radius is greater than 3mm than first compression roller and second compression roller axis to draw-in groove top vertical distance.
The invention has the beneficial effects that:
1. the first PP non-woven fabric layer, the second PP non-woven fabric layer and the PE cast film layer are all environment-friendly materials, no pollution is caused, and the environment-friendly waterproof fabric is harmless to a human body, the first PP non-woven fabric layer and the second PP non-woven fabric layer are arranged, so that the impact resistance effect is achieved, the thickness is high, the friction resistance is good, the super-strong waterproof performance is achieved, the thickness of the combination of the first PP non-woven fabric layer, the PE cast film layer and the second PP non-woven fabric layer is 1-5 mm, the waterproof performance is favorably improved, and the environment-friendly waterproof fabric can bear the water column height of 8 meters and is not prone to water leakage by taking;
2. the two side edges of the environment-friendly waterproof non-woven fabric body are correspondingly clamped into the clamping grooves, and then the bolt is in threaded connection with the bolt hole, so that the threaded end of the bolt is pressed down to the edge of the environment-friendly waterproof non-woven fabric body to be compressed, the servo motor drives the threaded rod to rotate, thereby driving the slide block to move, the slide block drives the side plate to move, the first rotating motor drives the first compression roller to rotate through the rotating shaft a, the electric heating pipe works, heat is transmitted through the first compression roller, meanwhile, the second rotating motor drives the second compression roller to rotate through the rotating shaft b, the first compression roller carries out hot-pressing adhesion on the environment-friendly waterproof non-woven fabric body, meanwhile, the second compression roller compresses the environment-friendly waterproof non-woven fabric body, and meanwhile, the temperature difference exists between the first compression roller and the second compression, the movable hot-pressing adhesion is facilitated, and meanwhile, the cooling and secondary pressurization are facilitated, so that the environment-friendly waterproof non-woven fabric body is more compact, and the structure is firmer.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall top view of the present invention;
FIG. 3 is a schematic view of the internal structure of the working platform according to the present invention;
in the figure: 1. a working platform; 2. a clamping assembly; 21. a card slot; 22. a bolt; 3. a moving assembly; 31. a fixing plate; 32. a servo motor; 33. a side plate; 34. fixing grooves; 35. a threaded rod; 36. a slider; 4. a hot pressing assembly; 41. a first rotating electrical machine; 42. a first press roll; 43. an electric heating tube; 44. a second rotating electrical machine; 45. and a second press roll.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: an environment-friendly waterproof non-woven fabric and a production process:
an environment-friendly waterproof non-woven fabric comprises a first PP non-woven fabric layer, a PE casting film layer and a second PP non-woven fabric layer, wherein the first PP non-woven fabric layer, the PE casting film layer and the second PP non-woven fabric layer form an environment-friendly waterproof non-woven fabric body, and the first PP non-woven fabric layer and the second PP non-woven fabric layer are respectively attached to two sides of the PE casting film layer;
wherein the weight of each square meter of the environment-friendly waterproof non-woven fabric body is 250g, and the weight component ratio of the first PP non-woven fabric layer, the PE cast film layer and the second PP non-woven fabric layer in each square meter of the environment-friendly waterproof non-woven fabric body is 2: 1: 2;
the first PP non-woven fabric layer and the second PP non-woven fabric layer are both polypropylene material components, the PE casting film layer is a polyethylene material component, the first PP non-woven fabric layer and the second PP non-woven fabric layer are both spun-bonded filament non-woven fabrics, the first PP non-woven fabric layer, the second PP non-woven fabric layer and the PE casting film layer are all environment-friendly materials, cannot cause any pollution and are harmless to a human body, and the first PP non-woven fabric layer and the second PP non-woven fabric layer have an impact resistance effect and have super-strong waterproofness due to strong strength, high thickness and good friction resistance; the thickness that first PP non-woven fabrics layer, PE curtain coating rete and second PP non-woven fabrics layer are combined is 1 ~ 5mm, is favorable to promoting waterproof performance.
The production process of the environment-friendly waterproof non-woven fabric comprises the following steps in sequence:
step S1: the PE cast film layer is clamped between the first PP non-woven fabric layer and the second PP non-woven fabric layer, after the corners are aligned and the position is adjusted, the environment-friendly waterproof non-woven fabric body is clamped and fixed through a hot-pressing compound machine, and the deviation of the environment-friendly waterproof non-woven fabric body is prevented;
step S2: preheating one surface of the environment-friendly waterproof non-woven fabric body by a hot-pressing compound machine at the preheating temperature of 80-90 ℃ for 1-2 min, and preheating the other surface of the environment-friendly waterproof non-woven fabric body at the preheating temperature of 80-90 ℃ for 1-2 min, so that later hot-pressing adhesion is facilitated, and the phenomenon that the environment-friendly waterproof non-woven fabric body is folded due to too large temperature difference is prevented;
step S3: carrying out hot-pressing bonding on one surface of the environment-friendly waterproof non-woven fabric body through a hot-pressing compound machine, wherein the hot-pressing bonding temperature is 240 ℃, the hot-pressing bonding time is 5min, and the hot-pressing bonding pressure is 1-2 MPa;
step S4: cooling one surface of the environment-friendly waterproof non-woven fabric body after hot-pressing and bonding by using a hot-pressing compound machine for 2min, carrying out hot-pressing and bonding on the other surface of the environment-friendly waterproof non-woven fabric body by using the hot-pressing compound machine, wherein the hot-pressing and bonding temperature is 240 ℃, the hot-pressing and bonding time is 5min, and the hot-pressing and bonding pressure is 1-2 MPa, and then carrying out cooling treatment;
the hot-pressing compound machine comprises a working platform 1, a clamping component 2, a moving component 3 and a hot-pressing component 4, wherein the clamping component 2 and the moving component 3 are installed on the working platform 1, the hot-pressing component 4 is installed on the moving component 3, the working platform 1 is in a shape that two sides are high and the middle is low, and the two sides of the working platform 1 are high and vertical plates are arranged;
the clamping assembly 2 comprises a clamping groove 21 and a bolt 22, the clamping groove 21 is formed in the bottom end of the inner side of a vertical plate of the working platform 1, two bolt holes are symmetrically formed in two ends of the top of the vertical plate of the working platform 1, and each bolt hole is in threaded connection with the bolt 22;
the moving assembly 3 comprises a fixing plate 31, a servo motor 32, side plates 33, a fixing groove 34, a threaded rod 35 and a sliding block 36, the fixing plate 31 is installed at the top of a vertical plate of the working platform 1, the fixing groove 34 is formed in the inner side of the fixing plate 31, the servo motor 32 is fixed on one side of the fixing plate 31 through screws, two sides of the fixing groove 34 are correspondingly connected with two ends of the threaded rod 35, an output shaft of the servo motor 32 is in transmission connection with one end of the threaded rod 35 through a coupler, a threaded hole is formed in the center of one side of the sliding block 36, the sliding block 36 is sleeved on the threaded rod 35, one end of the sliding block 36 is clamped in the fixing groove 34, the top and the bottom of the sliding block 36 are correspondingly contacted with the top and the bottom of the fixing groove 34 respectively, the sliding block 36;
the press assembly 4 includes a first rotating motor 41, a first press roller 42, a heating tube 43, a second rotating motor 44 and a second press roller 45, one side of the side plate 33 of the group A on one sliding block 36 is provided with a first rotating motor 41, the output shaft of the first rotating motor 41 is in transmission connection with one end of a rotating shaft a through a coupler, the other end of the rotating shaft a is vertically connected with the side plate 33 of the group A on the other sliding block 36, wherein, a second rotating motor 44 is arranged on one side of the side plate 33 of the B group on the sliding block 36 provided with the first rotating motor 41, the output shaft of the second rotating motor 44 is in transmission connection with one end of a rotating shaft B through a coupler, the other end of the rotating shaft B is vertically connected with the side plate 33 of the B group on the other sliding block 36, a first press roller 42 is sleeved on the rotating shaft a, a second press roller 45 is sleeved on the rotating shaft B, and a plurality of electric heating tubes 43 are embedded and arranged in the first press roller 42 at equal angles;
the electric heating tube 43 is electrically connected with a temperature adjusting device, the temperature adjusting device is any temperature adjuster, and supporting rods are welded and fixed on the periphery of the bottom of the working platform 1, so that temperature adjustment and supporting are facilitated;
draw-in groove 21 highly equals environmental protection waterproof non-woven fabrics body thickness, and first compression roller 42 and 45 radiuses of second compression roller are 3mm bigger than first compression roller 42 and 45 axes of second compression roller to draw-in groove 21 top vertical distance, are favorable to carrying out the hot pressing to environmental protection waterproof non-woven fabrics body.
The working principle of the invention is as follows: the first PP non-woven fabric layer, the second PP non-woven fabric layer and the PE cast film layer are all environment-friendly materials, no pollution is caused, and the environment-friendly waterproof fabric is harmless to a human body, the first PP non-woven fabric layer and the second PP non-woven fabric layer are arranged, so that the impact resistance effect is achieved, the thickness is high, the friction resistance is good, the super-strong waterproof performance is achieved, the thickness of the combination of the first PP non-woven fabric layer, the PE cast film layer and the second PP non-woven fabric layer is 1-5 mm, the waterproof performance is favorably improved, and the environment-friendly waterproof fabric can bear the water column height of 8 meters and is not prone to water leakage by taking; the two side edges of the environment-friendly waterproof non-woven fabric body are correspondingly clamped into the clamping grooves 21, and then the bolt 22 is in threaded connection with the bolt hole, so that the threaded end of the bolt 22 is pressed down to the edge of the environment-friendly waterproof non-woven fabric body to be compressed, the servo motor 32 drives the threaded rod 35 to rotate, thereby driving the sliding block 36 to move, the sliding block 36 drives the side plate 33 to move, the first rotating motor 41 drives the first compression roller 42 to rotate through the rotating shaft a, the electric heating pipe 43 works to transmit heat through the first compression roller 42, meanwhile, the second rotating motor 44 drives the second compression roller 45 to rotate through the rotating shaft b, the first compression roller 42 carries out hot-press bonding on the environment-friendly waterproof non-woven fabric body, meanwhile, the environment-friendly waterproof non-woven fabric body is compressed by the second compression roller 45, meanwhile, because the temperature difference exists between the first, prevent the skew of environmental protection waterproof non-woven fabrics body, be favorable to removing the hot pressing bonding, be convenient for simultaneously cooling and secondary pressurization make the environmental protection waterproof non-woven fabrics body more inseparable, the structure is more durable.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The environment-friendly waterproof non-woven fabric is characterized by comprising a first PP non-woven fabric layer, a PE casting film layer and a second PP non-woven fabric layer, wherein the first PP non-woven fabric layer, the PE casting film layer and the second PP non-woven fabric layer form an environment-friendly waterproof non-woven fabric body, and the first PP non-woven fabric layer and the second PP non-woven fabric layer are respectively attached to two sides of the PE casting film layer;
wherein the weight of each square meter of the environment-friendly waterproof non-woven fabric body is 250g, and the weight component ratio of the first PP non-woven fabric layer, the PE cast film layer and the second PP non-woven fabric layer in each square meter of the environment-friendly waterproof non-woven fabric body is 2: 1: 2;
the environment-friendly waterproof non-woven fabric is prepared by the following steps:
step S1: clamping and fixing the environment-friendly waterproof non-woven fabric body through a hot-pressing compound machine after aligning corners and adjusting the position of the PE cast film layer between a first PP non-woven fabric layer and a second PP non-woven fabric layer;
the hot-pressing compound machine comprises a working platform (1), a clamping component (2), a moving component (3) and a hot-pressing component (4), wherein the clamping component (2) and the moving component (3) are installed on the working platform (1), the hot-pressing component (4) is installed on the moving component (3), the working platform (1) is in a shape that the two sides are high and the middle is low, and the two sides of the working platform (1) are high and vertical plates are arranged;
the clamping assembly (2) comprises a clamping groove (21) and bolts (22), the clamping groove (21) is formed in the bottom end of the inner side of a vertical plate of the working platform (1), two bolt holes are symmetrically formed in two ends of the top of the vertical plate of the working platform (1), and each bolt hole is in threaded connection with a bolt (22);
the movable assembly (3) comprises a fixed plate (31), a servo motor (32), a side plate (33), a fixed groove (34), a threaded rod (35) and a sliding block (36), the fixed plate (31) is installed at the top of a vertical plate of the working platform (1), the fixed groove (34) is formed in the inner side of the fixed plate (31), the servo motor (32) is fixed on one side of the fixed plate (31) through screws, two sides of the fixed groove (34) are correspondingly connected with two ends of the threaded rod (35), an output shaft of the servo motor (32) is in transmission connection with one end of the threaded rod (35) through a coupler, a threaded hole is formed in the central position of one side of the sliding block (36), the sliding block (36) is sleeved on the threaded rod (35), one end of the sliding block (36) is clamped in the fixed groove (34), and the top and the bottom of the sliding block (36), two side plates (33) are symmetrically arranged on two sides of the other end of the sliding block (36), and the two side plates (33) on the sliding block (36) are divided into a group A and a group B;
the hot-pressing assembly (4) comprises a first rotating motor (41), a first pressing roller (42), an electric heating pipe (43), a second rotating motor (44) and a second pressing roller (45), wherein the first rotating motor (41) is installed on one side of a side plate (33) of the group A on one of the sliding blocks (36), an output shaft of the first rotating motor (41) is in transmission connection with one end of a rotating shaft a through a coupler, the other end of the rotating shaft a is vertically connected with the other side plate (33) of the group A on the sliding block (36), the second rotating motor (44) is installed on one side of the side plate (33) of the group B on the sliding block (36) provided with the first rotating motor (41), an output shaft of the second rotating motor (44) is in transmission connection with one end of a rotating shaft B through a coupler, the other end of the rotating shaft B is vertically connected with the other side plate (33) of the group B on the sliding block (, a first press roller (42) is sleeved on the rotating shaft a, a second press roller (45) is sleeved on the rotating shaft b, and a plurality of electric heating tubes (43) are embedded in the first press roller (42) at equal angles;
the height of the clamping groove (21) is equal to the thickness of the environment-friendly waterproof non-woven fabric body, and the radius of the first pressing roller (42) and the radius of the second pressing roller (45) are 3mm greater than the vertical distance from the axis of the first pressing roller (42) and the axis of the second pressing roller (45) to the top of the clamping groove (21);
step S2: preheating one surface of the environment-friendly waterproof non-woven fabric body by a hot-pressing compound machine at the preheating temperature of 80-90 ℃ for 1-2 min, and preheating the other surface of the environment-friendly waterproof non-woven fabric body at the preheating temperature of 80-90 ℃ for 1-2 min;
step S3: carrying out hot-pressing bonding on one surface of the environment-friendly waterproof non-woven fabric body through a hot-pressing compound machine, wherein the hot-pressing bonding temperature is 240 ℃, the hot-pressing bonding time is 5min, and the hot-pressing bonding pressure is 1-2 MPa;
step S4: and cooling one surface of the environment-friendly waterproof non-woven fabric body after hot-press bonding by using a hot-press compound machine for 2min, carrying out hot-press bonding on the other surface of the environment-friendly waterproof non-woven fabric body by using the hot-press compound machine at the hot-press bonding temperature of 240 ℃ for 5min, wherein the hot-press bonding pressure is 1-2 MPa, and then carrying out cooling treatment.
2. The environment-friendly waterproof non-woven fabric according to claim 1, wherein the first PP non-woven fabric layer and the second PP non-woven fabric layer are both polypropylene material members, the PE cast film layer is a polyethylene material member, and the first PP non-woven fabric layer and the second PP non-woven fabric layer are both spun-bonded filament non-woven fabrics.
3. The environment-friendly waterproof non-woven fabric according to claim 1, wherein the combined thickness of the first PP non-woven fabric layer, the PE cast film layer and the second PP non-woven fabric layer is 1-5 mm.
4. The production process of the environment-friendly waterproof non-woven fabric according to claim 1, which is characterized by comprising the following steps in sequence:
step S1: clamping and fixing the environment-friendly waterproof non-woven fabric body through a hot-pressing compound machine after aligning corners and adjusting the position of the PE cast film layer between a first PP non-woven fabric layer and a second PP non-woven fabric layer;
the hot-pressing compound machine comprises a working platform (1), a clamping component (2), a moving component (3) and a hot-pressing component (4), wherein the clamping component (2) and the moving component (3) are installed on the working platform (1), the hot-pressing component (4) is installed on the moving component (3), the working platform (1) is in a shape that the two sides are high and the middle is low, and the two sides of the working platform (1) are high and vertical plates are arranged;
the clamping assembly (2) comprises a clamping groove (21) and bolts (22), the clamping groove (21) is formed in the bottom end of the inner side of a vertical plate of the working platform (1), two bolt holes are symmetrically formed in two ends of the top of the vertical plate of the working platform (1), and each bolt hole is in threaded connection with a bolt (22);
the movable assembly (3) comprises a fixed plate (31), a servo motor (32), a side plate (33), a fixed groove (34), a threaded rod (35) and a sliding block (36), the fixed plate (31) is installed at the top of a vertical plate of the working platform (1), the fixed groove (34) is formed in the inner side of the fixed plate (31), the servo motor (32) is fixed on one side of the fixed plate (31) through screws, two sides of the fixed groove (34) are correspondingly connected with two ends of the threaded rod (35), an output shaft of the servo motor (32) is in transmission connection with one end of the threaded rod (35) through a coupler, a threaded hole is formed in the central position of one side of the sliding block (36), the sliding block (36) is sleeved on the threaded rod (35), one end of the sliding block (36) is clamped in the fixed groove (34), and the top and the bottom of the sliding block (36), two side plates (33) are symmetrically arranged on two sides of the other end of the sliding block (36), and the two side plates (33) on the sliding block (36) are divided into a group A and a group B;
the hot-pressing assembly (4) comprises a first rotating motor (41), a first pressing roller (42), an electric heating pipe (43), a second rotating motor (44) and a second pressing roller (45), wherein the first rotating motor (41) is installed on one side of a side plate (33) of the group A on one of the sliding blocks (36), an output shaft of the first rotating motor (41) is in transmission connection with one end of a rotating shaft a through a coupler, the other end of the rotating shaft a is vertically connected with the other side plate (33) of the group A on the sliding block (36), the second rotating motor (44) is installed on one side of the side plate (33) of the group B on the sliding block (36) provided with the first rotating motor (41), an output shaft of the second rotating motor (44) is in transmission connection with one end of a rotating shaft B through a coupler, the other end of the rotating shaft B is vertically connected with the other side plate (33) of the group B on the sliding block (, a first press roller (42) is sleeved on the rotating shaft a, a second press roller (45) is sleeved on the rotating shaft b, and a plurality of electric heating tubes (43) are embedded in the first press roller (42) at equal angles;
the height of the clamping groove (21) is equal to the thickness of the environment-friendly waterproof non-woven fabric body, and the radius of the first pressing roller (42) and the radius of the second pressing roller (45) are 3mm greater than the vertical distance from the axis of the first pressing roller (42) and the axis of the second pressing roller (45) to the top of the clamping groove (21);
step S2: preheating one surface of the environment-friendly waterproof non-woven fabric body by a hot-pressing compound machine at the preheating temperature of 80-90 ℃ for 1-2 min, and preheating the other surface of the environment-friendly waterproof non-woven fabric body at the preheating temperature of 80-90 ℃ for 1-2 min;
step S3: carrying out hot-pressing bonding on one surface of the environment-friendly waterproof non-woven fabric body through a hot-pressing compound machine, wherein the hot-pressing bonding temperature is 240 ℃, the hot-pressing bonding time is 5min, and the hot-pressing bonding pressure is 1-2 MPa;
step S4: and cooling one surface of the environment-friendly waterproof non-woven fabric body after hot-press bonding by using a hot-press compound machine for 2min, carrying out hot-press bonding on the other surface of the environment-friendly waterproof non-woven fabric body by using the hot-press compound machine at the hot-press bonding temperature of 240 ℃ for 5min, wherein the hot-press bonding pressure is 1-2 MPa, and then carrying out cooling treatment.
5. The production process of the environment-friendly waterproof non-woven fabric according to claim 4, wherein the electric heating tube (43) is electrically connected with a temperature adjusting device, and the temperature adjusting device is any temperature adjuster.
6. The production process of the environment-friendly waterproof non-woven fabric according to claim 4, wherein support rods are welded and fixed on the periphery of the bottom of the working platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811500211.6A CN109353095B (en) | 2018-11-29 | 2018-11-29 | Environment-friendly waterproof non-woven fabric and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811500211.6A CN109353095B (en) | 2018-11-29 | 2018-11-29 | Environment-friendly waterproof non-woven fabric and production process thereof |
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| Publication Number | Publication Date |
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| CN109353095A CN109353095A (en) | 2019-02-19 |
| CN109353095B true CN109353095B (en) | 2021-05-14 |
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| CN110588122A (en) * | 2019-10-29 | 2019-12-20 | 江苏金荣泰新材料科技有限公司 | Non-woven fabric containing casting film |
| CN112571801B (en) * | 2020-11-25 | 2022-07-08 | 湖北羽林自动化设备有限公司 | Welding and edge covering system and mask production line |
| CN113547754A (en) * | 2021-07-19 | 2021-10-26 | 江苏康隆迪超净科技有限公司 | High-temperature film covering device and method of PTFE filter bag for flue gas emission system |
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| CN204845001U (en) * | 2015-07-14 | 2015-12-09 | 雄县夏氏包装有限公司 | Waterproof ventilative non -woven fabrics |
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