Preparation method for manufacturing flannel fabric by recycling cut rags

Abstract

The invention discloses a preparation method for manufacturing flannel fabric by recycling tailored rags, which comprises the following steps: collecting the tailored rags, classifying, cleaning the classified rags, crushing the cleaned rags to obtain fibrous materials, mixing the fibrous materials, carding and processing to obtain a fiber net, and drying the fiber net to obtain the flannel fabric. The method comprises the following steps: firstly, carrying out hot pressing treatment, annealing treatment and fuzzing treatment to form a fluff layer on the surface of an initial fiber web layer, and carrying out soft finishing and shaping treatment on the fiber web to obtain the flannel fabric. Various tailored rags are collected and classified, cleaned, smashed and carded to form fiber webs, the fiber webs are overlaid to form a fiber web layer, annealing is carried out to eliminate internal stress, fluffing treatment is carried out to form a fluff layer on the surface, and finally finishing is carried out to obtain the flannel fabric, so that generation of textile waste is reduced, and the production cost is reduced. And waste fiber materials are reprocessed into new flannel fabrics, so that the use of raw materials is saved, and the resource utilization rate is improved.

Description

Technical Field

[0001] The invention relates to the technical field of recycling rags, and in particular to a preparation method for manufacturing flannel fabric by recycling cut rags. Background Art

[0002] Cutting scraps are the leftovers or excess fabric fragments produced by cutting fabric during the textile production process.

[0003] Some textile workshops now treat the cut scraps of cloth directly as waste, while others use them as filling materials to make pillows, cushions, toys and furniture.

[0004] However, most of the rags in textile workshops are directly used as fillers due to their material properties, which will lead to the waste of valuable rags. Therefore, we propose a preparation method for cutting rags and reusing them to make flannel fabrics. Summary of the invention

[0005] The object of the present invention is to provide a method for preparing flannel fabric by recycling cut scraps of cloth, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a method for preparing flannel fabric by recycling cut scraps, comprising the following steps:

[0007] Step 1: Collect and sort the scraps of fabric;

[0008] Step 2: Wash the sorted rags;

[0009] Step 3: crushing the cleaned rags through a crushing device to obtain fibrous materials;

[0010] Step 4: Mixing the fibrous materials and combing them through a carding machine to obtain a fiber web;

[0011] Step 5: stacking the fiber web in multiple layers through a web forming device to form an initial fiber web layer;

[0012] Step 6: subjecting the initial fiber web layer to heat pressing and annealing treatments, and subjecting the initial fiber web layer to a raising machine for raising treatment to form a fluff layer on its surface;

[0013] Step seven: Soften and shape the fiber web to obtain flannel fabric.

[0014] Preferably, the material of the rags collected in step 1 includes but is not limited to cotton, wool, linen, polyester, nylon, viscose, acrylic or blended fibers, and the way of classifying the rags includes but is not limited to material, color or thickness.

[0015] Preferably, the rag cleaning in step 2 is used to remove stains and impurities on the rags, and the rags need to be dehydrated after cleaning.

[0016] Preferably, the crushing equipment in step three is a low-speed high-torque crushing equipment.

[0017] Preferably, the carding machine in step four is a double-roller carding machine, and the carding step of the fibrous material is: the mixed fibrous material is evenly fed into the carding machine, the fibers are dispersed and straightened through the opening and carding processes of the carding machine, the combed fibers are arranged into uniform fiber layers, and the fiber layers are stacked to form a preliminary fiber web.

[0018] Preferably, the specific steps of stacking the fiber webs include: evenly spreading the combed fiber web on the conveyor belt of the web-forming equipment, stacking the fiber webs layer by layer through the web-forming equipment, adjusting the number of stacked layers to achieve a desired thickness, and lightly pressing the stacked fiber webs to initially combine the layers of the fiber webs to form an initial fiber web layer.

[0019] Preferably, the specific steps of hot pressing treatment of the fiber web in step six include: placing the initial fiber web layer evenly in the hot pressing equipment, setting the temperature of the hot pressing equipment between 120-180 degrees Celsius, adjusting the hot pressing time to 10-30 minutes, starting the hot pressing equipment, hot pressing the fiber web layer to make each layer of fiber firmly bonded, and after completing the hot pressing, taking the fiber web layer out of the equipment.

[0020] Preferably, the specific steps of the fiber web annealing treatment in step six include: placing the hot-pressed fiber web layer into an annealing device, setting the annealing temperature to 100-150 degrees Celsius, adjusting the annealing time to 30-60 minutes, starting the annealing device, and performing annealing treatment to eliminate internal stress. After annealing is completed, remove the fiber web layer from the device and cool it to room temperature.

[0021] Preferably, the specific steps of the fiber web fluffing treatment in step six include: evenly spreading the annealed fiber web on the conveyor belt of a fluffing machine, starting the fluffing machine so that its needle cloth or sandpaper roller contacts the surface of the fiber web, adjusting the speed of the fluffing machine and the density of the needle cloth to control the depth and uniformity of the fluffing, repeating the process multiple times to form a uniform fluff layer on the surface of the fiber web, and after the fluffing is completed, lightly combing the fiber web to remove excess floating hair.

[0022] Preferably, the fiber web in step 7 may be dyed before being softened and shaped, and the specific steps of the dyeing process include: preparing a dye solution according to the desired color, fully immersing the fiber web after the napping process in the dye solution, heating the dye solution to a suitable temperature, usually between 60 and 90 degrees Celsius, to promote the adsorption and fixation of the dye, and maintaining uniform stirring of the dye solution during the dyeing process to uniformly color the fiber web, and controlling the dyeing time to 30 to 60 minutes according to the type of dye and the fiber material. After the dyeing is completed, the fiber web is taken out and rinsed with clean water for multiple times until the water is clear and free of dye. The dyed fiber web is dried to keep it flat during the drying process; the specific steps of the fiber web softening treatment include: immersing the dyed fiber web in a softener solution to allow the fiber to absorb the softener, and mechanically kneading or rolling the softener to evenly distribute and penetrate the fiber; the specific steps of the fiber web shaping treatment include: placing the softened fiber web in a shaping machine, shaping the fiber web by heating, the temperature is controlled at 150-180 degrees Celsius, cooling the fiber web after heat setting, and using a finishing machine to lightly press and shape the fabric.

[0023] Technical effects and advantages of the present invention:

[0024] The present invention collects and classifies various natural and synthetic fiber cut scraps, washes to remove stains and impurities, crushes them into fibrous materials, mixes fiber materials of different materials and colors, forms a fiber web by combing, stacks multiple layers of the fiber web into an initial fiber web layer, performs hot pressing to firmly combine the fiber web layers, performs annealing to eliminate internal stress, performs raising treatment to form a fluff layer on the surface, and performs dyeing and finishing to obtain flannel fabric, thereby reducing the generation of textile waste, reprocessing the discarded fiber materials into new flannel fabric, saving the use of raw materials, and improving resource utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the preparation process of the present invention. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The present invention provides Figure 1 The method for preparing flannel fabric by recycling cut scraps of cloth comprises the following steps:

[0028] Step 1: Collect and sort the scraps of fabric;

[0029] Step 2: Wash the sorted rags;

[0030] Step 3: crushing the cleaned rags through a crushing device to obtain fibrous materials;

[0031] Step 4: Mixing the fibrous materials and combing them through a carding machine to obtain a fiber web;

[0032] Step 5: stacking the fiber web in multiple layers through a web forming device to form an initial fiber web layer;

[0033] Step 6: subjecting the initial fiber web layer to heat pressing and annealing treatments, and subjecting the initial fiber web layer to a raising machine for raising treatment to form a fluff layer on its surface;

[0034] Step seven: Soften and shape the fiber web to obtain flannel fabric.

[0035] By collecting and sorting various natural and synthetic fiber cut scraps, washing to remove stains and impurities, crushing into fibrous materials, mixing fiber materials of different materials and colors, forming a fiber web through combing, stacking multiple layers of the fiber web into an initial fiber web layer, hot pressing to make the fiber web layers firmly bonded, annealing to eliminate internal stress, raising treatment to form a fluff layer on the surface, dyeing treatment and finishing to obtain flannel fabric, the generation of textile waste is reduced, the discarded fiber materials are reprocessed into new flannel fabric, the use of raw materials is saved, and the resource utilization rate is improved.

[0036] The materials of the rags collected in step 1 include but are not limited to cotton, wool, linen, polyester, nylon, viscose, acrylic or blended fibers, and the classification methods of the rags include but are not limited to material, color or thickness.

[0037] Among them, the rag cleaning in step 2 is used to remove stains and impurities on the rags, and the rags need to be dehydrated after cleaning.

[0038] Among them, the crushing equipment in step three is a low-speed high-torque crushing equipment.

[0039] Among them, the carding machine in step four is a double-roller carding machine, and the carding steps of the fibrous material are: the mixed fibrous material is evenly fed into the carding machine, the fibers are dispersed and straightened through the opening and carding processes of the carding machine, the carded fibers are arranged into uniform fiber layers, and the fiber layers are stacked to form a preliminary fiber web.

[0040] The specific steps of fiber web stacking include: evenly spreading the combed fiber web on the conveyor belt of the web forming equipment, stacking the fiber web layer by layer through the web forming equipment, adjusting the number of stacked layers to achieve the required thickness, and lightly pressing the stacked fiber web to initially combine the layers of fiber web to form an initial fiber web layer.

[0041] Among them, the specific steps of hot pressing treatment of the fiber mesh in step six include: evenly placing the initial fiber mesh layer in the hot pressing equipment, setting the temperature of the hot pressing equipment between 120-180 degrees Celsius, adjusting the hot pressing time to 10-30 minutes, starting the hot pressing equipment, hot pressing the fiber mesh layer to make each layer of fiber firmly combined, after completing the hot pressing, taking the fiber mesh layer out of the equipment, hot pressing makes the fibers bond to each other at high temperature, increases the bonding force between the fiber mesh layers, forms a tighter and stronger structure, effectively prevents the fiber mesh layer from being delaminated during subsequent processing and use, and ensures the integrity of the fabric. The fiber mesh after hot pressing has higher strength and durability, can better withstand external force and friction, and eliminates the internal friction of the fiber mesh through hot pressing. The loose structure of the fiber web improves the dimensional stability and shape retention ability of the fiber web. Hot pressing can make the surface of the fiber web smoother and improve the appearance quality of the fabric. Hot pressing treatment helps to increase the uniformity and density distribution of the fiber web, giving the fabric a better feel. The hot pressing process can reduce the need for additional adhesive treatment of the fiber web, simplify the production process, and reduce production costs. The hot pressing process usually has a high level of automation, which can greatly improve production efficiency and output. The fiber web treated with hot pressing is more convenient for subsequent dyeing, raising and finishing processes, can accept subsequent processing more evenly, and improve processing quality. Hot pressing can effectively fix the fibers, reduce the fiber shedding phenomenon in subsequent processing, and improve the quality of the final product.

[0042] Among them, the specific steps of the fiber web annealing treatment in step six include: placing the hot-pressed fiber web layer into the annealing equipment, setting the annealing temperature to 100-150 degrees Celsius, adjusting the annealing time to 30-60 minutes, starting the annealing equipment, and performing annealing treatment to eliminate internal stress. After the annealing is completed, the fiber web layer is taken out of the equipment and cooled to room temperature. The annealing treatment can eliminate the internal stress generated by the fiber web during the hot pressing process, making the structure of the fiber web more stable. By eliminating the internal stress, the fiber web is not easily deformed during subsequent processing and use, and the stability of size and shape is maintained. The annealing treatment can make the fibers of the fiber web more flexible and reduce the risk of brittleness and fracture. Annealing can enhance the toughness and strength of the fibers and improve the overall durability and service life of the fiber web. The annealing treatment can eliminate the stress in the fiber web. The force is evenly distributed to prevent local stress concentration and improve the uniformity of the fiber web. Through annealing treatment, the consistency of the fiber web in the entire structure can be ensured, and the overall quality of the product can be improved. The annealed fiber web is more suitable for subsequent processes such as raising, dyeing and finishing, and can accept these treatments more evenly, improving the processing quality. Annealing treatment reduces the cracks, wrinkles and other defects that may appear in the fiber web in subsequent processing, and improves the appearance and performance of the final product. Annealing treatment makes the fiber web softer and helps to improve the feel of flannel fabric. Through annealing, the surface of the fiber web becomes flatter and smoother, improving the appearance quality of the fabric. Annealing treatment can improve the heat resistance of the fiber web and keep it stable in high temperature environment. The annealed fiber web has enhanced resistance to chemicals and extends the service life of the fabric.

[0043] Among them, the specific steps of the fiber web raising treatment in step six include: evenly spreading the annealed fiber web on the conveyor belt of the raising machine, starting the raising machine to make its needle cloth or sandpaper roller contact with the surface of the fiber web, adjusting the speed of the raising machine and the density of the needle cloth to control the depth and uniformity of raising, repeating the process several times to form a uniform fluff layer on the surface of the fiber web, and after the raising is completed, lightly combing the fiber web to remove excess floating hair.

[0044] In particular, the fiber web may be dyed before being softened and shaped in step seven. The specific steps of the dyeing process include: preparing a dye solution according to the desired color, fully immersing the fiber web after the napping process in the dye solution, heating the dye solution to a suitable temperature, usually between 60 and 90 degrees Celsius, to promote the adsorption and fixation of the dye, and maintaining uniform stirring of the dye solution during the dyeing process to uniformly color the fiber web. Depending on the type of dye and the fiber material, the dyeing time is controlled to be 30 to 60 minutes. After the dyeing is completed, the fiber web is taken out and rinsed with clean water for multiple times until the water is clear and free of dye. The dyed fiber web is dried to keep it flat during the drying process; the specific steps of the fiber web softening treatment include: immersing the dyed fiber web in a softener solution to allow the fiber to absorb the softener, and mechanically kneading or rolling the softener to evenly distribute and penetrate the fiber; the specific steps of the fiber web shaping treatment include: placing the softened fiber web in a shaping machine, shaping the fiber web by heating, controlling the temperature at 150-180 degrees Celsius, cooling the fiber web after heat setting, and using a finishing machine to lightly press and shape the fabric.

[0045] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for preparing flannel fabric by recycling cut scraps, characterized in that: The following steps are involved: Step 1: Collect and sort the scraps of fabric; Step 2: Wash the sorted rags; Step 3: crushing the cleaned rags through a crushing device to obtain fibrous materials; Step 4: Mixing the fibrous materials and combing them through a carding machine to obtain a fiber web; Step 5: stacking the fiber web in multiple layers through a web forming device to form an initial fiber web layer; Step 6: subjecting the initial fiber web layer to heat pressing and annealing treatments, and subjecting the initial fiber web layer to a raising machine for raising treatment to form a fluff layer on its surface; Step 7: Soften and shape the fiber web to obtain flannel fabric.

2. The method for preparing flannel fabric by recycling cut scraps according to claim 1, characterized in that: The materials of the rags collected in step 1 include but are not limited to cotton, wool, linen, polyester, nylon, viscose, acrylic or blended fibers, and the rags are classified in a manner including but not limited to material, color or thickness.

3. The method for preparing flannel fabric by recycling cut scraps according to claim 2, characterized in that: The rag cleaning in step 2 is used to remove stains and impurities on the rags, and the rags need to be dehydrated after cleaning.

4. The method for preparing flannel fabric by recycling cut scraps according to claim 3, characterized in that: The crushing equipment in step three is a low-speed high-torque crushing equipment.

5. The method for preparing flannel fabric by recycling cut scraps according to claim 4, characterized in that: The carding machine in step 4 is a double-roller carding machine, and the carding step of the fibrous material is: the mixed fibrous material is evenly fed into the carding machine, the fibers are dispersed and straightened through the opening and carding processes of the carding machine, the carded fibers are arranged into uniform fiber layers, and the fiber layers are stacked to form a preliminary fiber web.

6. The method for preparing flannel fabric by recycling cut scraps according to claim 5, characterized in that: The specific steps of stacking the fiber webs include: evenly spreading the combed fiber web on the conveyor belt of the web-forming equipment, stacking the fiber webs layer by layer through the web-forming equipment, adjusting the number of stacked layers to achieve the required thickness, and lightly pressing the stacked fiber webs to initially combine the layers of fiber webs to form an initial fiber web layer.

7. The method for preparing flannel fabric by recycling cut scraps according to claim 6, characterized in that: The specific steps of the fiber web hot pressing treatment in step six include: evenly placing the initial fiber web layer in the hot pressing equipment, setting the temperature of the hot pressing equipment between 120-180 degrees Celsius, adjusting the hot pressing time to 10-30 minutes, starting the hot pressing equipment, hot pressing the fiber web layer to make each layer of fiber firmly bonded, and after completing the hot pressing, taking the fiber web layer out of the equipment.

8. The method for preparing flannel fabric by recycling cut scraps according to claim 7, characterized in that: The specific steps of the fiber web annealing treatment in step six include: placing the hot-pressed fiber web layer into an annealing device, setting the annealing temperature to 100-150 degrees Celsius, adjusting the annealing time to 30-60 minutes, starting the annealing device, and performing annealing treatment to eliminate internal stress. After annealing is completed, the fiber web layer is removed from the device and cooled to room temperature.

9. The method for preparing flannel fabric by recycling cut scraps according to claim 8, characterized in that: The specific steps of the fiber web raising treatment in step six include: evenly spreading the annealed fiber web on the conveyor belt of the raising machine, starting the raising machine so that its card clothing or sandpaper roller contacts the surface of the fiber web, adjusting the speed of the raising machine and the density of the card clothing to control the depth and uniformity of raising, repeatedly treating the fiber web to form a uniform fluff layer on the surface of the fiber web, and after raising, lightly combing the fiber web to remove excess floating hair.

10. The method for preparing flannel fabric by recycling cut scraps according to claim 9, characterized in that: The fiber web in step 7 may be dyed before being softened and shaped. The specific steps of the dyeing process include: preparing a dye solution according to the desired color, fully immersing the fiber web after the napping process in the dye solution, heating the dye solution to a suitable temperature, usually between 60 and 90 degrees Celsius, to promote the adsorption and fixation of the dye, and maintaining uniform stirring of the dye solution during the dyeing process to uniformly color the fiber web. According to the type of dye and the fiber material, the dyeing time is controlled to be 30 to 60 minutes. After the dyeing is completed, the fiber web is taken out and rinsed with clean water for multiple times until the water is clear and there is no dye residue. The dyed fiber web is retained, and a color fixing treatment is performed as needed, and the dyed fiber web is dried to keep it flat during the drying process; the specific steps of the fiber web softening treatment include: immersing the dyed fiber web in a softener solution to allow the fiber to absorb the softener, and mechanically kneading or rolling to evenly distribute the softener and penetrate into the fiber; the specific steps of the fiber web shaping treatment include: placing the softened fiber web in a shaping machine, shaping the fiber web by heating, the temperature is controlled at 150-180 degrees Celsius, cooling the fiber web after heat setting, and using a finishing machine to lightly press and shape the fabric.

Images