Multifunctional composite fabric and production process

Abstract

The present invention discloses a multifunctional composite cloth and production process, which relates to the field related to composite cloth production, including a waterproof outer layer, a support layer, an antibacterial inner layer and a side stabilizing layer. The composite cloth made of a fluorocarbon polymer outer layer, a waterproof microporous process, a polylactic acid fiber intermediate support layer, a nano titanium dioxide inner layer antibacterial material and a polyurethane coating edge reinforcement combines the advantages of multiple high-performance materials. The fluorocarbon polymer provides excellent waterproofness and chemical resistance, and the microporous process ensures the air permeability of the cloth; the polylactic acid fiber is not only environmentally friendly but also has good mechanical strength; the nano TiO2 gives the cloth a lasting antibacterial and self-cleaning function; the polyurethane coating reinforces the edge to improve the stability and durability of the overall structure. Overall, this composite cloth has excellent waterproof, breathable, antibacterial and environmental protection properties, and a stable structure.

Description

Technical Field

[0001] The present invention relates to the field related to composite cloth production, and in particular to a multifunctional composite cloth and a production process. Background Art

[0002] Multifunctional composite fabrics are high-performance materials that meet a variety of application requirements by combining different functional layers. Such fabrics are often used in products that require multiple protection and performance, such as outdoor equipment, medical textiles, and high-performance sportswear.

[0003] Chinese patent application number: CN201610106826.5 A multifunctional composite cloth for pregnant women, including a base cloth, an antibacterial layer, an anti-ultraviolet layer and a waterproof layer, the base cloth is interwoven by warp and weft; the warp is pure cotton thread, the weft is anti-radiation fiber; the thickness ratio of the base cloth to the antibacterial layer, the anti-ultraviolet layer and the waterproof layer is 3~4:1:1:0.8. The multifunctional composite cloth for pregnant women of the present invention adopts pure cotton thread in radial direction and anti-radiation fiber in weft direction, which is smooth, soft and anti-radiation. The antibacterial layer is directly compounded on the base cloth, and has long-lasting antibacterial performance. The anti-ultraviolet layer and the waterproof layer are arranged on the base cloth, which can effectively prevent ultraviolet rays and waterproof, and the script is multifunctional, which can meet the use of multifunctional composite cloth for pregnant women.

[0004] The above patents and prior art have the following problems in actual use: lack of breathability in the waterproofing process, weak overall breathability, and the edges of the composite cloth tend to loosen after long-term use; in the process, most of them are fixed and pressed once, and the pressing effect is weak, resulting in the need for manual stabilization of the composite cloth after combination, affecting work efficiency. Summary of the invention

[0005] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a multifunctional composite cloth and a production process.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a multifunctional composite cloth and a production process, including a waterproof outer layer, the waterproof outer layer is a fluorocarbon polymer, the inner side of the waterproof outer layer is connected to the antibacterial inner layer through a support layer, the support layer is a polylactic acid fiber material, the outer sides of the waterproof outer layer, the support layer and the antibacterial inner layer are bonded with a side stabilization layer, the side stabilization layer is used to stabilize the sides of the three, and the side stabilization layer is a polyurethane coating.

[0007] Preferably, the specific steps are as follows:

[0008] S1 material preparation: waterproof outer layer: fluorocarbon polymer; middle support layer material: polylactic acid fiber; inner antibacterial material: nano titanium dioxide; side stabilizing layer: polyurethane coating;

[0009] S2 hole making: prepare high-precision laser drilling equipment, fix the waterproof outer layer on the workbench, start the laser drilling equipment, start micro-drilling, and check the uniformity of the hole diameter and distribution after completion;

[0010] S3 adhesive lamination: select environmentally friendly adhesive, apply the adhesive evenly on the surface of each layer of material, stack the outer layer material, middle layer material and inner layer material together in order, use lamination equipment to press, cure the adhesive, and complete the lamination;

[0011] S4 subsequent stabilization: the composite fabric is introduced into the auxiliary stabilization device for further stabilization, and then enters the next station after stabilization;

[0012] S5 Edge stability: Prepare the coating machine, evenly apply the reinforced polyurethane coating, i.e. the side stabilization layer, along the edge of the fabric, control the thickness and uniformity of the coating, ensure the firmness of the edge, and after the coating is completed, perform curing treatment to ensure that the coating is completely dry;

[0013] S6 performance test: waterproof, breathable and antibacterial tests are carried out, and production can be completed after the tests are completed.

[0014] Preferably, the auxiliary stabilization device includes two sets of main support plates for support and arranged relatively to each other, a reciprocating swinging mechanism arranged on the top of the main support plates, a flipping mechanism connected to the top of the two sets of reciprocating swinging mechanisms, the flipping mechanism allows the composite cloth to pass through and performs flipping movement on it, an auxiliary support plate arranged on the right side of the main support plate, and a rear pressing and conveying device arranged on the top of the auxiliary support plate, and the reciprocating swinging mechanism drives the flipping mechanism to reciprocate and swing.

[0015] Preferably, the reciprocating swing mechanism includes a support arm arranged on the top of the main support plate, a first motor arranged on the outside of the support arm, a rotating arm arranged on the inside of the support arm and connected to the output shaft of the first motor, a pushing rod hinged to the other end of the rotating arm, an active disk connected to the pushing rod, a driven disk connected to the side of the active disk, a slider arranged on the back of the active disk and the driven disk, and a guide frame matching the bottom of the slider and fixedly arranged on the top of the main support plate.

[0016] Preferably, the outer sides of the driving disk and the driven disk are both provided with half convex teeth, which mesh with each other, and a convex rod protrudes from the upper end of the driven disk, and the inner upper end of the convex rod is hinged to the flip mechanism.

[0017] Preferably, a strip groove matching the sliding block is formed on the top of the guide frame.

[0018] Preferably, the flipping mechanism includes a base plate connected to the protruding rod at the upper end of the driven disk, a fixed box arranged at the left end of the top of the base plate, a second motor arranged on the left side of the fixed box, a rotating rod arranged at the front and rear positions of the fixed box, a pushing piece hinged to the other end of the rotating rod, a linkage piece connected to the other end of the pushing piece, a supporting piece arranged at the top of the linkage piece, two groups of guide rods arranged at the front and rear ends of the linkage piece, and a guide seat fixed to the right end of the top of the base plate and connected to the guide rod.

[0019] Preferably, a square groove is provided in the middle of the supporting member.

[0020] Preferably, an inverted Y-shaped slide groove is provided at the front and rear ends of the guide seat, and the guide rod is movably embedded in the slide groove.

[0021] Preferably, a driving bevel gear connected to the output shaft of the second motor is arranged at the left end of the fixed box, the right front end of the driving bevel gear meshes with the driven bevel gear, a connecting shaft is arranged in the middle of the driven bevel gear, and the front and rear ends of the connecting shaft pass through the fixed box and are connected to the rotating rod.

[0022] Beneficial effects of the present invention:

[0023] The composite cloth of the present invention is made of a fluorocarbon polymer outer layer, a waterproof microporous process, a polylactic acid (PLA) fiber middle support layer, a nano titanium dioxide (TiO2) inner layer antibacterial material and a polyurethane coating edge reinforcement. It combines the advantages of multiple high-performance materials. The fluorocarbon polymer provides excellent waterproofness and chemical resistance, and the microporous process ensures the breathability of the cloth; the PLA fiber is not only environmentally friendly but also has good mechanical strength; the nano TiO2 gives the cloth lasting antibacterial and self-cleaning functions; the polyurethane coating reinforces the edges to improve the stability and durability of the overall structure. On the whole, this composite cloth has excellent waterproof, breathable, antibacterial and environmental protection properties, and a stable structure.

[0024] The present invention completes the pressing and stabilizing process by using an auxiliary stabilizing device. The auxiliary stabilizing device is equipped with a reciprocating swing mechanism. Two groups of reciprocating swing mechanisms are provided. The two groups of reciprocating swing mechanisms move with the flipping mechanism. The flipping mechanism allows the cloth to pass through. The flipping mechanism is driven by an independent motor to flip the cloth, and cooperates with the reciprocating swing mechanism connected below. The reciprocating swing mechanism makes it swing back and forth and move, which effectively and stably moves and presses the fabric and improves stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the structure of the auxiliary stabilization device of the present invention;

[0027] Figure 3 It is a schematic diagram of the structure of the reciprocating swing mechanism of the present invention;

[0028] Figure 4 It is a schematic diagram of the structure of the flipping mechanism of the present invention;

[0029] Figure 5 It is a schematic diagram of the linkage structure of the present invention;

[0030] Figure 6 It is a structural schematic diagram of the fixed box of the present invention.

[0031] Among them: waterproof outer layer-a, supporting layer-b, antibacterial inner layer-c, side stabilizing layer-d, main support plate-1, reciprocating swing mechanism-2, flipping mechanism-3, auxiliary support plate-4, rear pressing and conveying device-5, support arm-21, first motor-22, rotating arm-23, pushing rod-24, active disk-25, driven disk-26, slider-27, guide frame-28, base plate-31, fixed box-32, second motor-33, rotating rod-34, pushing member-35, linkage member-36, supporting member-37, guide rod-38, guide seat-39, active bevel gear-321, driven bevel gear-322, connecting shaft-323. DETAILED DESCRIPTION

[0032] In order to further explain the technical solution of the present invention, it is described in detail below through specific embodiments.

[0033] See also Figure 1 The present invention provides a multifunctional composite cloth, including a waterproof outer layer a, which is a fluorocarbon polymer. The fluorocarbon polymer has extremely strong hydrophobicity and chemical resistance, and can provide excellent waterproof and antifouling properties. The inner side of the waterproof outer layer a is connected to the antibacterial inner layer c through a supporting layer b. The supporting layer b is a polylactic acid (PLA) fiber material, which is biodegradable and has good mechanical properties and environmental protection characteristics. The antibacterial inner layer c is a nano titanium dioxide (TiO2) material: it generates strong oxidizing free radicals under ultraviolet light irradiation, and has self-cleaning and antibacterial functions. The outer sides of the waterproof outer layer a, the supporting layer b and the antibacterial inner layer c are bonded with a side stabilization layer d, which is used to stabilize the sides of the three to prevent loosening, and the side stabilization layer d is a polyurethane coating with high strength and wear resistance.

[0034] The present invention provides a production process of a multifunctional composite fabric, and the specific steps are as follows:

[0035] S1 Material preparation: waterproof outer layer a: fluorocarbon polymer; middle support layer b material: polylactic acid fiber; inner antibacterial material: nano titanium dioxide; side stabilization layer d: polyurethane coating; S2 Hole making: prepare high-precision laser drilling equipment, fix the waterproof outer layer a on the workbench, start the laser drilling equipment, start micro-drilling, and check the uniformity of the pore size and distribution after completion; S3 Adhesive lamination: select environmentally friendly adhesive, evenly apply the adhesive on the surface of each layer of material, stack the outer layer material, middle layer material and inner layer material together in order, use lamination equipment for lamination, cure the adhesive, and complete the lamination; S4 Subsequent stabilization: introduce the composite cloth into the auxiliary stabilization device for Stabilize again, and then proceed to the next workstation; S5 Edge stabilization: prepare the coating machine, evenly apply the reinforced polyurethane coating, i.e. the side stabilization layer d, along the edge of the fabric, control the thickness and uniformity of the coating, ensure the firmness of the edge, and after the coating is completed, perform curing treatment to ensure that the coating is completely dry; S6 Performance test: Water column test: fix the fabric on the test equipment, gradually increase the height of the water column, and record the height at which the fabric begins to seep water; Water vapor permeability test: fix the fabric on the test equipment, and measure the amount of water vapor passing through the fabric per unit time; Bacterial culture test: inoculate specific bacteria on the surface of the fabric, and after culturing for a certain period of time, measure the growth of bacteria. After the test is completed, production can be completed.

[0036] See also Figure 2 The auxiliary stabilization device includes a main support plate 1 for support. The main support plate 1 is provided with two groups. The two groups of main support plates 1 are installed correspondingly. A reciprocating swing mechanism 2 is provided on the top of the main support plate 1. The inner upper ends of the two groups of reciprocating swing mechanisms 2 are connected to a flipping mechanism 3. The flipping mechanism 3 can be used for the composite cloth to pass through and flip it to make the combined layer structure in the composite cloth more stable. The reciprocating swing mechanism 2 can move back and forth and swing with the flipping mechanism 3, and cooperate with its own movement to improve the stability of the composite cloth. An auxiliary support plate 4 is welded on the right side of the main support plate 1. A rear pressing and conveying device 5 is provided on the top of the auxiliary support plate 4. The rear pressing and conveying device 5 presses and stabilizes the stabilized composite cloth again to improve stability.

[0037] See also Figure 3The reciprocating swing mechanism 2 includes a support arm 21 for supporting and vertically fixed on the top of the main support plate 1, a first motor 22 is arranged on the upper end of the outer side of the support arm 21, and a rotating arm 23 connected to the output shaft of the first motor 22 is arranged on the back of the support arm 21. The rotating arm 23 is hinged with the push rod 24, and the other end of the push rod 24 is hinged with an active disk 25, and the left side of the active disk 25 is connected to the driven disk 26. The outer sides of the active disk 25 and the driven disk 26 are both provided with half convex teeth, which are meshed with each other. A convex rod protrudes from the upper end of the driven disk 26, and the inner upper end of the convex rod is hinged with the flipping mechanism 3. The middle parts of the active disk 25 and the driven disk 26 are both hinged with a slider 27, and the bottom of the slider 27 is connected to a guide frame 28, and the bottom of the guide frame 28 is welded to the top of the main support plate 1. The top of the guide frame 28 is provided with a strip groove matching the slider 27.

[0038] See also Figure 4-Figure 6 The flipping mechanism 3 includes a base plate 31 for supporting and hinged with the convex rod on the driven disk 26. A fixed box 32 is fixed to the left end of the top of the base plate 31. A second motor 33 is arranged on the left side of the fixed box 32. The front and rear ends of the fixed box 32 are connected to a rotating rod 34. The other end of the rotating rod 34 is hinged to a push piece 35. The other end of the push piece 35 is hinged to a linkage piece 36. A supporting piece 37 is fixed to the top of the linkage piece 36. A square groove is opened in the middle of the supporting piece 37 for the composite cloth to pass through, and the inner edge position of the square groove is rounded. Two sets of guide rods 38 are fixed to the front and rear ends of the supporting piece 37 respectively. The guide rods 38 are connected to a guide seat 39. The guide seat 39 is welded to the top of the base plate 31. Inverted Y-shaped slide grooves are opened at the front and rear ends of the guide seat 39. The guide rods 38 are movably embedded in the slide grooves.

[0039] A driving bevel gear 321 connected to the output shaft of the second motor 33 is provided at the left end of the fixed box 32. The right front end of the driving bevel gear 321 meshes with the driven bevel gear 322. A connecting shaft 323 is provided in the middle of the driven bevel gear 322. The front and rear ends of the connecting shaft 323 pass through the fixed box 32 and are connected to the rotating rod 34.

[0040] The post-pressing conveying device described in this embodiment is a conventional technology, which can press the passing cloth, and the positions of the two sets of pressing rollers inside can be manually adjusted.

[0041] The specific implementation process is as follows:

[0042] When the auxiliary stabilizing device needs to be used, the composite cloth is passed through the supporting member 37, and then through the rear pressing conveying device 5, and then input into the next process;

[0043] The first motor 22 is started to work, the first motor 22 drives the rotating arm 23 to rotate, the rotating arm 23 drives the pushing rod 24 to push the active disk 25, during which the slider 27 slides on the top of the guide frame 28, the active disk 25 rotates, and drives the driven disk 26 to rotate, and the convex rod on the driven disk 26 drives the flipping mechanism 3 to swing in the reciprocating movement;

[0044] Then the second motor 33 is started to work, the second motor 33 drives the active bevel gear 321 to rotate, and the active bevel gear 321 drives the driven bevel gear 322 to rotate. During the rotation of the driven bevel gear 322, the middle connecting shaft 323 can drive the rotating rod 34 to rotate and act on the pushing piece 35. The pushing piece 35 makes the linkage piece 36 flip up under the action of the guide rod 38, and the supporting piece 37 connected to the top of the linkage piece 36 can move with the fabric, and cooperate with the action of the driven disk 26 to stably move the composite cloth.

[0045] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A production process of a multifunctional composite fabric, characterized in that: The specific steps are as follows: S1 material preparation: waterproof outer layer: fluorocarbon polymer; middle support layer material: polylactic acid fiber; inner antibacterial material: nano titanium dioxide; side stabilization layer: polyurethane coating; S2 hole making: prepare high-precision laser drilling equipment, fix the waterproof outer layer on the workbench, start the laser drilling equipment, start micro-drilling, and check the uniformity of the hole diameter and distribution after completion; S3 adhesive lamination: select environmentally friendly adhesive, apply the adhesive evenly on the surface of each layer of material, stack the outer layer material, middle layer material and inner layer material together in order, use lamination equipment to press, cure the adhesive, and complete the lamination; S4 subsequent stabilization: the composite fabric is introduced into the auxiliary stabilization device for further stabilization, and then enters the next station after stabilization; S5 Edge stability: Prepare the coating machine, evenly apply the reinforced polyurethane coating, i.e. the side stabilization layer, along the edge of the fabric, control the thickness and uniformity of the coating, ensure the firmness of the edge, and after the coating is completed, perform curing treatment to ensure that the coating is completely dry; S6 performance test: waterproof, breathable and antibacterial tests are carried out, and production can be completed after the tests are completed; The auxiliary stabilizing device includes two sets of main support plates for supporting and arranged opposite to each other, a reciprocating swing mechanism arranged on the top of the main support plates, a flipping mechanism connected to the top of the two sets of reciprocating swing mechanisms, the flipping mechanism allows the composite cloth to pass through and flips it, an auxiliary support plate arranged on the right side of the main support plate, and a post-pressing conveying device arranged on the top of the auxiliary support plate, and the reciprocating swing mechanism drives the flipping mechanism to reciprocate and swing; The reciprocating swing mechanism includes a support arm arranged at the top of the main support plate, a first motor arranged outside the support arm, a rotating arm arranged inside the support arm and connected to the output shaft of the first motor, a push rod hinged to the other end of the rotating arm, a driving disk connected to the push rod, a driven disk connected to the side of the driving disk, a slider arranged on the back of the driving disk and the driven disk, and a guide frame matched with the bottom of the slider and fixedly arranged on the top of the main support plate; The driving disk and the driven disk are both provided with half convex teeth on their outer sides, the two are meshed with each other, a convex rod is protruded from the upper end of the driven disk, and the inner upper end of the convex rod is hinged with the flipping mechanism; The flipping mechanism includes a base plate connected to the protruding rod at the upper end of the driven disk, a fixed box arranged at the left end of the top of the base plate, a second motor arranged on the left side of the fixed box, a rotating rod arranged at the front and rear positions of the fixed box, a pushing piece hinged to the other end of the rotating rod, a linkage piece connected to the other end of the pushing piece, a supporting piece arranged at the top of the linkage piece, two groups of guide rods arranged at the front and rear ends of the linkage piece, and a guide seat fixed to the right end of the top of the base plate and connected to the guide rod.

2. The production process of a multifunctional composite fabric according to claim 1, characterized in that: A strip groove matching the sliding block is provided on the top of the guide frame.

3. The production process of a multifunctional composite fabric according to claim 1, characterized in that: A square groove is provided in the middle of the supporting member.

4. The production process of a multifunctional composite fabric according to claim 3, characterized in that: An inverted Y-shaped slide groove is provided at the front and rear ends of the guide seat, and the guide rod is movably embedded in the slide groove.

5. The production process of a multifunctional composite fabric according to claim 3, characterized in that: A driving bevel gear connected to the output shaft of the second motor is arranged at the left end of the fixed box, the right front end of the driving bevel gear meshes with the driven bevel gear, a connecting shaft is arranged in the middle of the driven bevel gear, and the front and rear ends of the connecting shaft pass through the fixed box and are connected to the rotating rod.

6. A multifunctional composite fabric produced by the production process of a multifunctional composite fabric according to claim 1, characterized in that: It includes a waterproof outer layer, which is a fluorocarbon polymer. The inner side of the waterproof outer layer is connected to the antibacterial inner layer through a supporting layer, and the supporting layer is a polylactic acid fiber material. The outer sides of the waterproof outer layer, the supporting layer and the antibacterial inner layer are bonded with a side stabilization layer, which is used to stabilize the sides of the three, and the side stabilization layer is a polyurethane coating.

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