CN116834421B - Laminating equipment and laminating method for high-moisture-permeability bio-based nylon fabric - Google Patents
Laminating equipment and laminating method for high-moisture-permeability bio-based nylon fabric Download PDFInfo
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- CN116834421B CN116834421B CN202311114822.8A CN202311114822A CN116834421B CN 116834421 B CN116834421 B CN 116834421B CN 202311114822 A CN202311114822 A CN 202311114822A CN 116834421 B CN116834421 B CN 116834421B
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- 239000004744 fabric Substances 0.000 title claims abstract description 58
- 238000010030 laminating Methods 0.000 title claims abstract description 27
- 229920006118 nylon 56 Polymers 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000002120 nanofilm Substances 0.000 claims abstract description 117
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 116
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 116
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 83
- 239000004677 Nylon Substances 0.000 claims abstract description 47
- 229920001778 nylon Polymers 0.000 claims abstract description 47
- 239000003292 glue Substances 0.000 claims abstract description 33
- 238000003892 spreading Methods 0.000 claims abstract description 25
- 230000007480 spreading Effects 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 239000004831 Hot glue Substances 0.000 claims abstract description 22
- 230000035699 permeability Effects 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000009940 knitting Methods 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000011800 void material Substances 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
-
- 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
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- 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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
- B32B2037/1215—Hot-melt adhesive
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Abstract
The application discloses laminating equipment and a laminating method of a high-moisture-permeability bio-based nylon fabric, wherein the laminating equipment comprises the following steps: the device comprises a bearing assembly, two glue spreading rollers, two pressure rollers and a monitoring execution assembly, wherein the two glue spreading rollers and the two pressure rollers are sequentially arranged on one side of the bearing assembly; the PTFE electrostatic spinning nano film is positioned between a plurality of glue spreading rollers and a plurality of pressure rollers, and the glue spreading rollers and the pressure rollers are connected in sequence; the monitoring execution component comprises: a detection module for detecting the gap of the PTFE electrospun nano-film and a stretching part for stretching the PTFE electrospun nano-film; the detection module controls the stretching amount of the stretching part on the PTFE electrospun nano film through an external control unit; according to the application, the stretching amount of the PTFE electrostatic spinning nano film can be adjusted in real time according to the change of the gap, so that the PTFE electrostatic spinning nano film is prevented from being attached to the bio-based nylon fabric and the nylon warp-knitted base yarn in a state of being heated, softened and deformed by the bio-based hot melt adhesive, and the waterproofness and the air permeability of the PTFE electrostatic spinning nano film are effectively improved.
Description
Technical Field
The application relates to the technical field of fabric spinning, in particular to laminating equipment and a laminating method of a high-moisture-permeability bio-based nylon fabric.
Background
The fabric refers to textile materials used for manufacturing clothes, home textiles, furniture and the like. It is usually made of fibres or threads, which may be natural, artificial or synthetic, and the characteristics of the fabric depend on the type of fibres, the way of weaving, the fibre density, the fibre structure and the subsequent processing, the quality and the way of handling of the fabric also having an important influence on the quality and the appearance of the final product.
The applicant discloses in chinese patent CN114987010a high moisture permeability bio-based nylon fabric comprising: the preparation method comprises the steps of sequentially arranging a bio-based nylon fabric layer, a PTFE electrostatic spinning nano film layer and nylon warp-knitted base yarns, stretching the gap length-width ratio of the PTFE electrostatic spinning nano film layer to be 1.5:1-3:1, coating melted bio-based hot melt adhesive on the PTFE electrostatic spinning nano film layer, attaching the bio-based nylon fabric layer and the nylon warp-knitted base yarns to the PTFE electrostatic spinning nano film layer coated with the hot melt adhesive, wherein the gap is in the range of 1.5:1-3:1, the nano-level gap of the PTFE electrostatic spinning nano film layer is deformed into an ellipse shape, and under the double effects of the width of the gap and the surface tension, water drops cannot be spread on the PTFE electrostatic spinning nano film layer, so that the transmittance of liquid water drops can be effectively reduced, meanwhile, the waterproofness and the air permeability of the PTFE electrostatic spinning nano film layer can be further improved, the high-permeability bio-based nylon fabric can be heated and deformed by the high-temperature bio-based hot melt adhesive, the nano-spinning nano film layer is difficult to achieve the ideal effect of increasing the gap length-width ratio of the PTFE electrostatic spinning nano film layer or the electrostatic spinning nano film layer to be 1:1, and the air permeability of the fabric is difficult to be reduced within the ideal range of the gap length-width ratio of the PTFE electrostatic spinning nano film layer to be 1:1.
Therefore, there is a need to improve the defect that the voids are changed due to the heating of the PTFE electrospun nano-film layer by the hot melt adhesive in the prior art, so as to solve the above-mentioned problems.
Disclosure of Invention
The application overcomes the defects of the prior art and provides laminating equipment and a laminating method of a high-moisture-permeability bio-based nylon fabric.
In order to achieve the above purpose, the application adopts the following technical scheme: laminating equipment of high moisture permeability bio-based nylon surface fabric includes: the bearing assembly is sequentially arranged on a plurality of glue spreading rollers and a plurality of pressure rollers on one side of the bearing assembly, and a monitoring executing assembly positioned between the glue spreading rollers and the pressure rollers,
the carrier assembly includes: the PTFE electrostatic spinning nano film roll is rotatably arranged in the fixing frame, and the base nylon fabric roll and the nylon warp knitting yarn backing roll are positioned on the upper side and the lower side of the PTFE electrostatic spinning nano film roll; the base nylon fabric roller and the nylon warp knitting bottom yarn roller are both rotationally connected with the fixing frame;
the PTFE electrostatic spinning nano film in the PTFE electrostatic spinning nano film roller is positioned between a plurality of glue spreading rollers and a plurality of pressure rollers, the glue spreading rollers are connected with the pressure rollers in sequence, and the glue spreading rollers are coated by high-temperature bio-based hot melt adhesive;
the monitoring execution component comprises: the device comprises a detection module for detecting the gap of the PTFE electrospun nano-film, a stretching part for stretching the PTFE electrospun nano-film and a control unit for controlling the stretching amount of the stretching part; the detection module is arranged above the PTFE electrospun nano-film, and the stretching amount of the stretching part on the PTFE electrospun nano-film is controlled by the control unit until the void aspect ratio of the PTFE electrospun nano-film is within the range of 1.5:1-3:1.
In a preferred embodiment of the present application, the stretching part includes: the device comprises a plurality of mounting plates positioned at the same horizontal position, clamping plates positioned at the inner sides of the mounting plates, a first electric push rod for driving one of the clamping plates to move, and a second electric push rod for driving the mounting plates to move; one clamping plate is fixedly connected with the mounting plate, the other clamping plate is in sliding connection with the mounting plate, and the clamping plate in sliding connection with the mounting plate is in rotary connection with the output end of the first electric push rod;
the output ends of the second electric push rods are respectively fixed with an extension plate, one end far away from the extension plates is fixedly connected with the middle part of the mounting plate, and the second electric push rods are rotationally symmetrical at the center position of the mounting plate;
the stretching parts are symmetrically arranged on two sides of the detection module, and one side of each stretching part is provided with a driving part for driving a plurality of mounting plates to alternately move.
In a preferred embodiment of the present application, the plurality of pressure rollers are located at the upper and lower sides of the mounting plate near one side thereof.
In a preferred embodiment of the present application, the driving part includes: the rack is fixed with the end part of the connecting plate, and the gear is meshed with the racks; the connecting plate is arranged on the supporting plate and is in sliding connection, a plurality of annular driving grooves which are vertically symmetrical are formed in one surface of the supporting plate, driving blocks are arranged in the annular driving grooves, and a supporting seat which is fixed with the driving blocks is arranged on the second electric push rod;
the motor also comprises a servo motor for driving the gear to rotate positively and negatively.
In a preferred embodiment of the present application, the annular driving groove includes: long slots and misplacement slots; the long groove is communicated with the dislocation groove, and the communication position of the long groove and the dislocation groove is in a step arrangement.
In a preferred embodiment of the present application, a notch is formed on a surface of the connecting plate, which contacts the supporting seat, and the connecting plate is slidably connected with the supporting seat.
In a preferred embodiment of the present application, a fixing plate for supporting the support plate is fixed to one side of the support plate.
In a preferred embodiment of the present application, a plurality of vertically symmetrical limiting rollers are arranged between the stretching portion and the pressure roller.
In a preferred embodiment of the present application, a plurality of said applicator rollers are in communication with an external applicator.
The application provides a laminating method of a high-moisture-permeability bio-based nylon fabric, which comprises the following steps:
s1, placing PTFE electrostatic spinning nano films between a plurality of glue spreading rollers and a plurality of pressure rollers, and enabling a base nylon fabric and nylon warp knitting base yarns to enter between the pressure rollers through a plurality of limit rollers respectively;
s2, coating the hot melt adhesive in a molten state on two sides of the PTFE electrostatic spinning nano film by a plurality of glue coating rollers, and detecting gaps of the PTFE electrostatic spinning nano film coated with the hot melt adhesive in real time by a detection module;
s3, controlling the stretching part to clamp and stretch the side face of the PTFE electrostatic spinning nano film until the detection module detects that the void aspect ratio of the PTFE electrostatic spinning nano film is in the range of 1.5:1-3:1;
s4, respectively attaching the base nylon fabric and the nylon warp knitting base yarns to two sides of the PTFE electrostatic spinning nano film, and pressing and attaching the attached fabric by a pressure roller.
The application solves the defects existing in the background technology, and has the following beneficial effects:
(1) The application provides a laminating method of a high-moisture-permeability bio-based nylon fabric, which comprises the steps of coating two sides of a PTFE electrostatic spinning nano film by using a glue coating roller, controlling a stretching part to stretch the PTFE electrostatic spinning nano film to two sides, and monitoring the aspect ratio of a gap of the PTFE electrostatic spinning nano film by a detection module in real time until the gap is monitored to be in a range of 1.5:1-3:1, so that the stretching amount of the PTFE electrostatic spinning nano film can be adjusted in real time according to the change of the gap after the PTFE electrostatic spinning nano film is coated with the hot melt adhesive, the condition that the PTFE electrostatic spinning nano film is softened and deformed due to heating of the bio-based hot melt adhesive is avoided, and the PTFE electrostatic spinning nano film is laminated with a base nylon fabric and a nylon warp-knitted base yarn under the condition that the gap is changed, so that the prepared fabric is difficult to achieve the waterproof property and the air permeability under the ideal condition.
(2) According to the application, through the cooperation of the detection module and the stretching part, after the hot melt adhesive is coated, the void length-width ratio of the PTFE electrostatic spinning nano film which is heated and softened and deformed is always in the range of 1.5:1-3:1, the void of the PTFE electrostatic spinning nano film is elliptical, the transmittance of liquid water drops is effectively reduced under the dual effects of the width of the void and the surface tension, a large number of water drops are prevented from penetrating through the PTFE electrostatic spinning nano film layer, the discharge of water vapor is not influenced, and the waterproofness and the air permeability of the PTFE electrostatic spinning nano film layer under ideal conditions are further improved.
(3) According to the application, through the arrangement of the driving part, two groups of clamping plates in the stretching part can alternately clamp and stretch the PTFE electrostatic spinning nano film, so that the continuity of the preparation of the base nylon fabric is effectively ensured, the preparation time of the base nylon fabric is saved, and the preparation production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art;
FIG. 1 is a perspective view of a preferred embodiment of the present application;
FIG. 2 is a schematic illustration of the structural cooperation of the stretching portion and the driving portion of the preferred embodiment of the present application;
FIG. 3 is a schematic view of the structure of the driving part of the preferred embodiment of the present application;
fig. 4 is a flow chart of a bonding method according to a preferred embodiment of the present application.
In the figure: 1. a glue spreading roller; 2. a pressure roller; 3. a fixing frame; 4. PTFE electrostatic spinning nano film roller; 5. a base nylon fabric roller; 6. nylon warp knitting backing yarn roller; 7. a detection module; 8. a mounting plate; 9. a clamping plate; 10. a first electric push rod; 11. a second electric push rod; 12. an extension plate; 13. a support plate; 14. a connecting plate; 15. a rack; 16. a gear; 17. an annular driving groove; 18. a driving block; 19. a long groove; 20. a dislocation groove; 21. a fixing plate; 22. and a limit roller.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may include one or more of the feature, either explicitly or implicitly. In the description of the application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art in a specific case.
As shown in fig. 1, a laminating device of a high moisture permeability bio-based nylon fabric includes: the bearing assembly is sequentially arranged on one side of the bearing assembly, two glue spreading rollers 1 and two pressure rollers 2, and a monitoring executing assembly positioned between the glue spreading rollers 1 and the pressure rollers 2,
the bearing assembly comprises: the PTFE electrostatic spinning nano film roller 4 is rotatably arranged in the fixing frame 3, PTFE electrostatic spinning nano film is wound on the PTFE electrostatic spinning nano film roller 4, and the base nylon fabric roller 5 and the nylon warp knitting base yarn roller 6 which are positioned on the upper side and the lower side of the PTFE electrostatic spinning nano film roller 4 are respectively wound with the base nylon fabric and the nylon warp knitting base yarn; the base nylon fabric roller 5 and the nylon warp knitting bottom yarn roller 6 are both in rotary connection with the fixing frame 3;
the PTFE electrostatic spinning nano film in the PTFE electrostatic spinning nano film roller 4 is positioned between the two glue spreading rollers 1 and between the two pressure rollers 2, the pressure rollers 2 are rotatably arranged on the fixed frame 3, the glue spreading rollers 1 and the pressure rollers 2 are connected in sequence, and the glue spreading rollers 1 are coated by adopting high-temperature bio-based hot melt adhesive;
the monitoring execution component comprises: the detection module 7 is used for detecting the gap of the PTFE electrostatic spinning nano film, the detection module 7 is a nano gap sensor and is used for monitoring the shape and the size of the gap of the PTFE electrostatic spinning nano film in real time, a stretching part used for stretching the PTFE electrostatic spinning nano film and a control unit used for controlling the stretching amount of the stretching part; the detection module 7 is arranged above the PTFE electrospun nano film, and the stretching amount of the stretching part on the PTFE electrospun nano film is controlled by the control unit until the void aspect ratio of the PTFE electrospun nano film is within the range of 1.5:1-3:1;
considering that when the PTFE electrospun nano film needs to be coated with hot melt adhesive in a molten state, the high-temperature hot melt adhesive heats the gaps of the PTFE electrospun nano film to deform, so that the PTFE electrospun nano film cannot achieve the waterproof property and the air permeability in an ideal state after being attached to the base nylon fabric and the nylon warp-knitted base yarn to prepare the fabric, the PTFE electrospun nano film coated with the hot melt adhesive needs to be stretched, so that the gaps of the PTFE electrospun nano film are always in the range of 1.5:1-3:1 and are attached to the base nylon fabric and the nylon warp-knitted base yarn, and the waterproof property and the air permeability of the prepared fabric can be effectively guaranteed to be in the ideal state.
As shown in fig. 2 and 3, in the present application, the stretching portion includes: the two clamping plates 9 are arranged on the inner side of the mounting plate 8, rubber sleeves are sleeved on the outer sides of the two clamping plates 9, clamping of the PTFE electrostatic spinning nano-film by the two clamping plates 9 is facilitated, a first electric push rod 10 for driving one clamping plate 9 to move is driven, the first electric push rod 10 is fixed on the mounting plate 8, and a second electric push rod 11 for driving the mounting plate 8 to move is driven; one clamping plate 9 is fixedly connected with the mounting plate 8, the other clamping plate 9 is in sliding connection with the mounting plate 8, the clamping plate 9 in sliding connection with the mounting plate 8 is in rotary connection with the output end of a first electric push rod 10, one clamping plate 9 is driven to approach the other clamping plate 9 through the first electric push rod 10, the side face of the PTFE electrostatic spinning nano film is clamped, the clamped PTFE electrostatic spinning nano film is pulled through a second electric push rod 11, and the length-width ratio of a gap of the PTFE electrostatic spinning nano film is stretched to be within a specified range; the two pressure rollers 2 are positioned at the upper side and the lower side of the mounting plate 8 near one side of the mounting plate, the PTFE electrostatic spinning nano film is clamped by the two clamping plates 9 and moves between the two pressure rollers 2, the aspect ratio of a gap of the PTFE electrostatic spinning nano film is ensured to be always attached to the base nylon fabric and the nylon warp knitting base yarn within the range of 1.5:1-3:1, and the waterproof property and the air permeability of the prepared fabric are ensured; the output ends of the two second electric push rods 11 are respectively fixed with an extension plate 12, the end parts of the two extension plates 12 are positioned on the same horizontal plane, one end far away from the extension plates 12 is fixedly connected with the middle parts of the mounting plates 8, and the two second electric push rods 11 are rotationally symmetrical at the central positions of the two mounting plates 8, so that the two mounting plates 8 fixed with the end parts of the extension plates 12 are positioned on the same horizontal position;
the stretching parts are symmetrically arranged at two sides of the detection module 7 and synchronously stretch the two sides of the PTFE electrostatic spinning nano film until the aspect ratio of the gap of the PTFE electrostatic spinning nano film is in the range of 1.5:1-3:1, and one side of the stretching part is provided with a driving part for driving the two mounting plates 8 to alternately move;
the driving section includes: the two connecting plates 14 are respectively sleeved on the two second electric push rods 11, the arrangement of the connecting plates 14 plays a role in supporting the second electric push rods 11, racks 15 fixed with the ends of the connecting plates 14 and gears 16 meshed with the two racks 15; the connecting plate 14 is arranged on the supporting plate 13 and is in sliding connection, two annular driving grooves 17 which are vertically symmetrical are formed in one surface of the supporting plate 13, driving blocks 18 are arranged in the annular driving grooves 17, and a supporting seat which is fixed with the driving blocks 18 is arranged on the second electric push rod 11; the device also comprises a servo motor for driving the gear 16 to rotate positively and negatively, and the moving speed of the servo motor for driving the second electric push rod 11 is consistent with the discharging speed of the PTFE electrostatic spinning nano-film.
It should be noted that, in order to achieve continuity of the preparation of the fabric and save the preparation dead time, two mounting plates 8 are provided, and the two mounting plates 8 can be driven by a driving part to perform reciprocating alternate operation, that is, two clamping plates 9 near one side of the inlet of the PTFE electrospun nano film are controlled by a first electric push rod 10 to clamp the side surface of the PTFE electrospun nano film, and the side surface of the PTFE electrospun nano film is stretched by a second electric push rod 11, the driving part drives the two second electric push rods 11 to move, and the driving part 18 moves in an annular driving groove 17, so that the two mounting plates 8 can alternately reciprocate to continuously clamp and stretch the PTFE electrospun nano film, and in the process of alternately operating the clamping plates 9 to clamp the PTFE electrospun nano film by the second electric push rods 11, a detection module 7 positioned above the mounting plates 8 on the feeding side of the PTFE electrospun nano film monitors the aspect ratio of the PTFE electrospun film in real time, and controls the stretching amount of the moving second electric push rods 11 to be within the range of 1:1.1.
In the present application, the annular driving groove 17 includes: long grooves 19 and offset grooves 20; the long groove 19 is communicated with the dislocation groove 20, the long groove 19 of the two annular driving grooves 17 is matched with the extension plate 12, so that the two mounting plates 8 are driven by the driving part to perform horizontal movement, the dislocation groove 20 is arranged, in the process that one mounting plate 8 moves towards the other mounting plate 8, the other mounting plate 8 moves to the dislocation groove 20 of the annular driving groove 17 where the other mounting plate 8 is positioned, a position is provided for the movement of the former mounting plate 8 until the mounting plate 8 moving at the position of the long groove 19 moves to the position communicated with the dislocation groove 20, the latter mounting plate 8 also moves to the position where the long groove 19 is communicated with the dislocation groove 20, and the two mounting plates 8 are driven by the driving part through the arrangement of the two annular driving grooves 17 and can perform reciprocating alternate operation, so that the PTFE electrostatic spinning nano film can be clamped without intermittence;
the communication position of the long groove 19 and the dislocation groove 20 is arranged in a step, and the bottom surface of the groove is in a rising trend by taking the moving direction of the mounting plate 8 as the direction; it is ensured that the driving block 18 can reciprocate in the annular driving groove 17 in accordance with the shape of the annular driving groove 17.
Considering that the second electric push rod 11 moves into the dislocation groove 20 in the long groove 19 through the driving block 18, the position of the second electric push rod 11 changes, so that a notch needs to be formed on one surface of the connecting plate 14, which contacts with the supporting seat, and the connecting plate 14 is in sliding connection with the supporting seat, so that a moving condition is provided for the second electric push rod 11 with the position changing.
In the application, one side of the supporting plate 13 is fixed with a fixing plate 21 for supporting the supporting plate 13, the supporting plate 13 is fixed through the fixing plate 21, and the fixing plate 21 is fixed on the fixing frame 3, so that the position of the whole monitoring execution assembly is fixed.
In the application, two limit rollers 22 which are vertically symmetrical are arranged between the stretching part and the pressure roller 2, and the two limit rollers 22 respectively support the base nylon fabric and the nylon warp knitting base yarn.
In the present application, two glue rolls 1 are in communication with an external glue applicator.
As shown in fig. 4, the application provides a method for attaching a high-moisture-permeability bio-based nylon fabric, which comprises the following steps:
s1, placing a PTFE electrostatic spinning nano film between two glue spreading rollers 1 and between two pressure rollers 2, wherein a base nylon fabric and nylon warp knitting base yarns enter between the two pressure rollers 2 through two limit rollers 22 respectively;
s2, coating the hot melt adhesive in a molten state on two sides of the PTFE electrospun nano film by two glue coating rollers 1, and detecting gaps of the PTFE electrospun nano film coated with the hot melt adhesive in real time by a detection module 7;
s3, controlling the stretching part to clamp and stretch the side face of the PTFE electrostatic spinning nano film until the detection module 7 detects that the void aspect ratio of the PTFE electrostatic spinning nano film is in the range of 1.5:1-3:1;
s4, respectively attaching the base nylon fabric and the nylon warp knitting base yarns to two sides of the PTFE electrostatic spinning nano film, and pressing and attaching the attached fabric by a pressure roller 2.
When the device is used, a PTFE electrostatic spinning nano film is placed between two glue coating rollers 1 and between two pressure rollers 2, a base nylon fabric and nylon warp knitting base yarn enter between the two pressure rollers 2 through two limit rollers 22 respectively, the PTFE electrostatic spinning nano film passing through the two glue coating rollers 1 is coated with hot melt adhesive, the PTFE electrostatic spinning nano film coated with the hot melt adhesive moves between two clamping plates 9 in an open state, a first electric push rod 10 is controlled, one clamping plate 9 is driven to move towards the other clamping plate 9, the side face of the PTFE electrostatic spinning nano film is clamped and fixed, the two sides of the PTFE electrostatic spinning nano film are stretched through a second electric push rod 11 until the detection module 7 detects that the aspect ratio of a gap of the PTFE electrostatic spinning nano film is in a range of 1.5:1-3:1, the second electric push rod 11 is controlled to stop stretching, in the process, a servo motor driving gear 16 is in forward and backward reciprocating rotation, two connecting plates 14 are controlled to alternately reciprocate at the upper side and lower sides of a supporting plate 13 through two racks 15 meshed with the servo motor driving gear 16, the PTFE electrostatic spinning nano film is driven to alternately stretch to the two groups of the PTFE electrostatic spinning nano film to move towards the second electric push rods 17 and the second electric push rods to the second electric push rods 17 and the second electric push rods are driven to rotate towards the second annular grooves 11 to the two electric push rods to the two groups of the PTFE electrostatic spinning nano film to rotate and the second electric push rods to the two opposite the PTFE electrostatic spinning nano film to 17 to the opposite the first-spinning film;
in the process that the clamping plates 9 move towards the discharging position of the PTFE electrospun nano film, the aspect ratio of the gap of the PTFE electrospun nano film is kept in the range of 1.5:1-3:1, the base nylon fabric and the nylon warp knitting base yarn are bonded with the PTFE electrospun nano film through the limiting roller 22 and are pressed and bonded by the pressure roller 2, then the first electric push rod 10 is controlled to reset the two clamping plates 9, the PTFE electrospun nano film is not clamped, the second electric push rod 11 is reset, and then the PTFE electrospun nano film is driven by the driving part to restore to the initial position, namely the feeding position of the PTFE electrospun nano film, and the operation is repeated again.
The above-described preferred embodiments according to the present application are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present application. The technical scope of the present application is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. Laminating equipment of high moisture permeability bio-based nylon surface fabric includes: the bearing assembly is sequentially arranged on a plurality of glue spreading rollers and a plurality of pressure rollers on one side of the bearing assembly, and a monitoring execution assembly positioned between the glue spreading rollers and the pressure rollers, and is characterized in that,
the carrier assembly includes: the PTFE electrostatic spinning nano film roll is rotatably arranged in the fixing frame, and the base nylon fabric roll and the nylon warp knitting yarn backing roll are positioned on the upper side and the lower side of the PTFE electrostatic spinning nano film roll; the base nylon fabric roller and the nylon warp knitting bottom yarn roller are both rotationally connected with the fixing frame;
the PTFE electrostatic spinning nano film in the PTFE electrostatic spinning nano film roller is positioned between a plurality of glue spreading rollers and a plurality of pressure rollers, the glue spreading rollers are connected with the pressure rollers in sequence, and the glue spreading rollers are coated by high-temperature bio-based hot melt adhesive;
the monitoring execution component comprises: the device comprises a detection module for detecting the gap of the PTFE electrospun nano-film, a stretching part for stretching the PTFE electrospun nano-film and a control unit for controlling the stretching amount of the stretching part; the detection module is arranged above the PTFE electrostatic spinning nano film, and the stretching amount of the stretching part on the PTFE electrostatic spinning nano film is controlled by the control unit until the void aspect ratio of the PTFE electrostatic spinning nano film is in the range of 1.5:1-3:1;
the stretching section includes: the device comprises a plurality of mounting plates positioned at the same horizontal position, clamping plates positioned at the inner sides of the mounting plates, a first electric push rod for driving one of the clamping plates to move, and a second electric push rod for driving the mounting plates to move; one clamping plate is fixedly connected with the mounting plate, the other clamping plate is in sliding connection with the mounting plate, and the clamping plate in sliding connection with the mounting plate is in rotary connection with the output end of the first electric push rod;
the output ends of the second electric push rods are respectively fixed with an extension plate, one end far away from the extension plates is fixedly connected with the middle part of the mounting plate, and the second electric push rods are rotationally symmetrical at the center position of the mounting plate;
the stretching parts are symmetrically arranged on two sides of the detection module, and one side of each stretching part is provided with a driving part for driving a plurality of mounting plates to alternately move;
the driving section includes: the rack is fixed with the end part of the connecting plate, and the gear is meshed with the racks; the connecting plate is arranged on the supporting plate and is in sliding connection, a plurality of annular driving grooves which are vertically symmetrical are formed in one surface of the supporting plate, driving blocks are arranged in the annular driving grooves, and a supporting seat which is fixed with the driving blocks is arranged on the second electric push rod;
the device also comprises a servo motor for driving the gear to rotate positively and negatively;
the annular driving groove includes: long slots and misplacement slots; the long groove is communicated with the dislocation groove, and the communication position of the long groove and the dislocation groove is in a step arrangement.
2. The laminating equipment of the high-moisture-permeability bio-based nylon fabric according to claim 1, wherein the laminating equipment comprises: the pressure rollers are positioned at the upper side and the lower side of the mounting plate near one side of the pressure rollers.
3. The laminating equipment of the high-moisture-permeability bio-based nylon fabric according to claim 1, wherein the laminating equipment comprises: the notch is offered to the one side that the connecting plate contacted with the supporting seat, just connecting plate and supporting seat sliding connection.
4. The laminating equipment of the high-moisture-permeability bio-based nylon fabric according to claim 1, wherein the laminating equipment comprises: one side of the supporting plate is fixed with a fixing plate for supporting the supporting plate.
5. The laminating equipment of the high-moisture-permeability bio-based nylon fabric according to claim 1, wherein the laminating equipment comprises: a plurality of limit rollers which are vertically symmetrical are arranged between the stretching part and the pressure roller.
6. The laminating equipment of the high-moisture-permeability bio-based nylon fabric according to claim 1, wherein the laminating equipment comprises: and the glue spreading rollers are communicated with an external glue spreading machine.
7. The laminating method based on the high-moisture-permeability bio-based nylon fabric as claimed in any one of claims 1 to 6, which is characterized by comprising the following steps:
s1, placing PTFE electrostatic spinning nano films between a plurality of glue spreading rollers and a plurality of pressure rollers, and enabling a base nylon fabric and nylon warp knitting base yarns to enter between the pressure rollers through a plurality of limit rollers respectively;
s2, coating the hot melt adhesive in a molten state on two sides of the PTFE electrostatic spinning nano film by a plurality of glue coating rollers, and detecting gaps of the PTFE electrostatic spinning nano film coated with the hot melt adhesive in real time by a detection module;
s3, controlling the stretching part to clamp and stretch the side face of the PTFE electrostatic spinning nano film until the detection module detects that the void aspect ratio of the PTFE electrostatic spinning nano film is in the range of 1.5:1-3:1;
s4, respectively attaching the base nylon fabric and the nylon warp knitting base yarns to two sides of the PTFE electrostatic spinning nano film, and pressing and attaching the attached fabric by a pressure roller.
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| CN202311114822.8A CN116834421B (en) | 2023-08-31 | 2023-08-31 | Laminating equipment and laminating method for high-moisture-permeability bio-based nylon fabric |
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| CN202311114822.8A CN116834421B (en) | 2023-08-31 | 2023-08-31 | Laminating equipment and laminating method for high-moisture-permeability bio-based nylon fabric |
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| WO2013090370A1 (en) * | 2011-12-13 | 2013-06-20 | 3M Innovative Properties Company | Method of detecting a component of an article and method of preparing a component for detection |
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| CN114987010A (en) * | 2022-08-05 | 2022-09-02 | 昆山东利新材料科技有限公司 | High-moisture-permeability bio-based nylon fabric and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102151494A (en) * | 2011-03-18 | 2011-08-17 | 上腾新材料科技（苏州）有限公司 | Nano-level polytetrafluoroethylene microporous membrane and preparation method thereof |
| WO2013090370A1 (en) * | 2011-12-13 | 2013-06-20 | 3M Innovative Properties Company | Method of detecting a component of an article and method of preparing a component for detection |
| WO2017058077A1 (en) * | 2015-09-28 | 2017-04-06 | Cellevate Ab | Method and arrangement for electrospinning of nanofibers |
| CN112144177A (en) * | 2020-09-27 | 2020-12-29 | 中国科学院过程工程研究所 | Polytetrafluoroethylene nanofiber membrane and preparation process thereof |
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