Fiber filler and manufacturing device for the same

The invention addresses the issue of material degradation in fiber fillings by using multiple layers of varying hardness and density to maintain elasticity and hygiene in household items.

JP2025009763AActive Publication Date: 2025-01-20HEFENG (QINGDAO) HOME TEXTILES CO LTD

Patent Information

Application Number
JP2024019156
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-07-06
Filing Date
2024-02-13
Publication Date
2025-01-20
Estimated Expiration
2044-02-13

AI Technical Summary

Technical Problem

Existing filling materials for household items like pillows and sofas lose elasticity and breathability over time, leading to reduced service life and hygiene issues, especially with staple fibers.

Method used

The invention involves creating fiber padding with multiple layers or areas of varying hardness and density, using a screw extrusion manufacturing device to mold and stack PE fibers, allowing for adjustable stiffness and color differentiation.

Benefits of technology

The solution maintains elasticity and extends the service life of the filling materials by preventing deformation, adapting to user preferences, and ensuring hygiene through antibacterial properties.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a fiber filler that can maintain repulsion and aging resistance of the filler for a long time and extend its service life.SOLUTION: A fiber filler includes at least two filler zones, each of which is formed by winding and stacking fibers. The hardness of each filler zone varies. The filler zones can be set in layers, in the same layer in different regions, or a combination of both. By utilizing multiple independent filler zones made up of layered fiber base layers, and subsequently assembling these zones with different hardnesses into a single unit, the present invention allows flexible control of the hardness characteristics of different areas of the fiber filler. This maintains different hardness characteristics from the inside out, improving the deformation smoothness of cushions for household decoration, and meeting the needs of various users.SELECTED DRAWING: Figure 1
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Description

[Technical field]

[0001] The present invention relates to the field of packaging and stuffing, specifically to fiber stuffing and an apparatus for its production. [Background technology]

[0002] Currently, there are a variety of stuffing materials used in home decorations such as pillows, sofas, and chairs on the market, including Chinese herbal medicine materials such as Cassia jasmine, Chinese laurel wort, and Chinese radish, grains such as buckwheat husks, millet bran, and cotton, as well as materials such as rice stalks, cattail heads, and discarded tea leaves. In addition, materials processed and manufactured using modern technology such as porous vacuum cotton and memory foam sponge are all widely used stuffing materials on the market, and the rebound time varies depending on the material.

[0003] However, existing stuffing materials often have limited service life, and after long-term use, they lose elasticity, age, and other problems occur. At present, staple fiber is the most common, and after several months of use, it is easily compacted, deformed, and loses elasticity, resulting in limited service life, and its comfort of use gradually decreases with time, and its breathability is low, resulting in poor hygiene conditions. Therefore, to solve the problems raised in the background art above, a person skilled in the art provides a fiber stuffing and its manufacturing device. In particular, the effect is higher when PE material is used. Summary of the Invention [Problem to be solved by the invention]

[0004] SUMMARY OF THE PRESENT EMBODIMENT The present invention aims to provide a fiber wad and a manufacturing apparatus thereof to solve the problems presented in the background art. [Means for solving the problem]

[0005] In order to achieve the above object, the present invention provides the following technical means: The fiber stuffing includes at least two stuffing parts, each of which is formed by winding and stacking fibers, has a different hardness, and is divided into multiple layers, or is divided into multiple regions in the same layer, or is divided into multiple layers and multiple regions.

[0006] Furthermore, the filling portion is formed by heating and melting the fiber using a screw extrusion manufacturing device, extruding the fiber, and then stacking and compressing multiple sets of base layers at once using a compression mold after the fiber has been molded.

[0007] Furthermore, when divided into multiple regions, each region is set to be 50 square centimeters or more, and when divided into multiple layers, the thickness of each layer is set to be 10 centimeters or more, the density of each layer or each region is set to be between 30 kilograms / cubic meter and 100 kilograms / cubic meter, adjacent layers or adjacent regions are set to have a density difference of at least 10% or different fiber shapes and materials therebetween, the hardness is set to be 60-100 Newtons, each layer or each region has a different hardness, and different colors can be set to distinguish layers or regions with different hardness.

[0008] Furthermore, the hardness of each filling portion is determined by the thickness and density of the fibers in the filling base layer, and in the case of production, the thickness of the fibers is first determined by the screw extrusion production device, and then the winding diameter and density of the fibers are determined.

[0009] Furthermore, the fiber thickness of each filling portion is determined by the extrusion head of the screw extrusion manufacturing equipment, and by replacing the corresponding model number of the extrusion head, the molten raw material can be extruded into a fiber of a corresponding thickness, and further, the hardness of the fiber filling can be determined based on the fiber thickness of each filling portion.

[0010] The apparatus for manufacturing PE fiber stuffing includes a support stand (1), a screw extrusion mechanism is attached above the support stand (1), a drive motor (2) is attached to an end of the support stand (1) facing the screw extrusion mechanism, a thermal melting mechanism is attached to one end of a tube passage of an extrusion tube (8) of the screw extrusion mechanism, and the screw extrusion mechanism and the thermal melting mechanism are electrically connected by a drain pipe (7). The screw extrusion mechanism includes an extrusion tube (8) attached above a support stand (1), a horizontal transmission shaft (14) is rotatably connected inside a cylindrical passage of the extrusion tube (8), a screw (15) is fitted to a shaft rod of the horizontal transmission shaft (14), and an extrusion head (10) is attached to the other end of the cylindrical passage of the extrusion tube (8) so as to directly face the push head of the screw (15); The heat melting mechanism includes a heat melting tube (6) attached to one end of the tube passage of the extrusion tube (8), a vertical transmission shaft (11) is rotatably connected to the inside of the tube passage of the heat melting tube (6), a plurality of sets of stirring arms (12) are fitted to the outside of the shaft of the vertical transmission shaft (11) so as to face the inside of the tube passage of the heat melting tube (6), and a material extrusion screw (13) is fitted to the outside of the shaft of the vertical transmission shaft (11) so as to face the bottom of the tube passage of the heat melting tube (6), and stirring scrapers (18) are symmetrically installed on the outer ends of the branch arms of the stirring arms (12) to be attached to the tube wall of the heat melting tube (6).

[0011] Furthermore, a transmission sprocket A (3) is provided at the output end of the drive motor (2), and a transmission sprocket B (5) is provided at one end of the lateral transmission shaft (14), and the transmission sprocket A (3) and the transmission sprocket B (5) are connected by a transmission chain (4).

[0012] Furthermore, a bevel gear B (17) is installed on one end of the shaft of the horizontal transmission shaft (14), and a bevel gear A (16) that meshes with the bevel gear B (17) is installed on the bottom end of the shaft of the vertical transmission shaft (11).

[0013] Furthermore, a heating coil is attached inside the cylindrical wall of the thermal melting cylinder (6), and a plurality of sets of heating cylinder sleeves (9) are arranged at equal intervals on the outside of the cylindrical passage of the extrusion cylinder (8).

[0014] Furthermore, at least two sets of screw extrusion mechanisms are provided, and the extrusion heads of the two or more sets of screw extrusion mechanisms can all face the compression die.

[0015] The PE fiber stuffing manufacturing apparatus includes a support stand, a screw extrusion mechanism is attached above the support stand, a drive motor is attached to the end of the support stand facing the screw extrusion mechanism, a thermal melting mechanism is attached to one end of the extrusion tube of the screw extrusion mechanism, and the screw extrusion mechanism and the thermal melting mechanism are connected by a drain pipe; The screw extrusion mechanism includes an extrusion tube mounted above a support stand, a horizontal transmission shaft is rotatably connected to the inside of the cylindrical passage of the extrusion tube, a screw is fitted to the shaft rod of the horizontal transmission shaft, and an extrusion head is mounted to the other end of the cylindrical passage of the extrusion tube so as to face the push head of the screw; The heat melting mechanism includes a heat melting tube attached to one end of the tube passage of the extrusion tube, a vertical transmission shaft rotatably connected to the inside of the tube passage of the heat melting tube, a plurality of sets of stirring arms directly facing the inside of the tube passage of the heat melting tube are fitted onto the outside of the shaft rod of the vertical transmission shaft, and a material extrusion screw directly facing the bottom of the tube passage of the heat melting tube is fitted onto the outside of the shaft rod of the vertical transmission shaft, and stirring scrapers that are attached to the wall of the heat melting tube are symmetrically installed on the outer ends of the branch arms of the stirring arms.

[0016] As a further aspect of the present invention, a transmission sprocket A is provided at the output end of the driving motor, a transmission sprocket B is provided at one end of the lateral transmission shaft, and the transmission sprockets A and B are connected by a transmission chain.

[0017] As a further feature of the present invention, a bevel gear B is installed at one end of the shaft of the horizontal transmission shaft, and a bevel gear A meshing with the bevel gear B is installed at the bottom end of the shaft of the vertical transmission shaft.

[0018] As a further aspect of the present invention, a heating coil is attached inside the barrel wall of the thermal melting barrel, and a plurality of sets of heating barrel sleeves are arranged at equal intervals on the outside of the barrel passage of the extrusion barrel.

[0019] As a further aspect of the present invention, at least two sets of screw extrusion mechanisms are installed, and the extrusion heads of the two or more sets of screw extrusion mechanisms can all face the compression die. The two or more sets of screw extrusion mechanisms can be operated independently or simultaneously, and several sets of screw extrusion mechanisms can be selected to operate in order to meet the requirements of different raw materials and different hardness of fibers.

[0020] The fiber material in this technical means can be set according to need, and can be PE, POE, PA, TPE, PP, or a mixture of two or more of the above, where PE is the most main material, POE has high elasticity, TPE is soft to the touch, and PP or nylon has high hardness. Different materials can be combined, and the proportion of the composite material can be adjusted. Effect of the Invention

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] 1. The present invention uses independent stuffing parts consisting of multiple fiber-based layers, and stacks and assembles stuffing parts of different hardness together, thereby flexibly adjusting the hardness characteristics of different areas of the fiber stuffing, maintaining the characteristic of different hardness between the inside and the outside, improving the deformation smoothness of the cushion as a home decoration item, and allowing it to be used in accordance with the needs of different people. Furthermore, by utilizing the elastic molding, deformation-resistant properties and antibacterial properties of PE fiber, the resilience and aging resistance of the stuffing can be maintained for a long period of time, and its service life can be extended, making it more widely used.

[0023] 2. The present invention has the characteristics of simple and convenient production by utilizing independent stuffing parts consisting of multiple fiber-based layers, and is formed by stacking and processing the PE fiber stuffing by utilizing the mutual stacking characteristics between the multiple layers, so that the strength of a single molding can be reduced. In addition, by utilizing the mutual stacking installation and regional division installation of the multiple base layers, the softness of the PE fiber stuffing regions can be flexibly controlled, and various softness characteristics of the PE fiber stuffing can be improved, so as to fulfill the function of padding that provides different hardness according to demand. In addition, different colors can be set for each layer or region to distinguish them, and one color may be set for one hardness. [Brief description of the drawings]

[0024] [Figure 1] FIG. 2 is a schematic diagram showing the disassembled parts of the fiber stuffing according to Example 1. [Diagram 2] FIG. 6 is a schematic diagram of a fiber filling according to Example 2. [Diagram 3] 1 is a schematic diagram of each region of deformation of the fiber stuffing according to Example 2. FIG. [Figure 4] FIG. 2 is a schematic diagram of a modified fiber filling according to the first embodiment. [Diagram 5] FIG. 2 is a schematic diagram of a modified fiber filling according to the first embodiment. [Figure 6]FIG. 11 is a schematic diagram of a fiber filling according to Example 4. [Figure 7] FIG. 2 is a schematic plan view of an apparatus for producing fiber wadding. [Figure 8] FIG. 2 is a schematic plan view of an apparatus for producing fiber wadding. [Figure 9] 8 is an enlarged schematic view of the fiber wadding manufacturing apparatus of FIG. 7 at point A. FIG. [Figure 10] FIG. 2 is a schematic diagram of a stirring scraper in a fiber stuffing manufacturing apparatus. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS EXAMPLES

[0025] As shown in FIG. 1, in the embodiment of the present invention, the PE fiber stuffing includes, but is not limited to, a first stuffing portion 100, a second stuffing portion 200, a third stuffing portion 300 and a fourth stuffing portion 400; The first stuffing portion 100, the second stuffing portion 200, the third stuffing portion 300 and the fourth stuffing portion 400 are all made of PE fiber, The first stuffing portion 100, the second stuffing portion 200, the third stuffing portion 300 and the fourth stuffing portion 400 have different hardnesses and the hardnesses increase in sequence. The number of layers of the first stuffing section 100, the second stuffing section 200, the third stuffing section 300 and the fourth stuffing section 400 are all multiple, and the multiple layers of the first stuffing section 100, the second stuffing section 200, the third stuffing section 300 and the fourth stuffing section 400 are stacked on top of each other.

[0026] The first stuffing section 100, the second stuffing section 200, the third stuffing section 300 and the fourth stuffing section 400 are all formed by heating and melting the fibers by a screw extrusion manufacturing device, extruding the fibers, and winding the fibers into a plurality of sets of independent base layers by a loop forming device in sequence, and then stacking and compressing the plurality of sets of base layers at one time by a compression mold to form the fibers; The hardness of the first stuffing section 100, the second stuffing section 200, the third stuffing section 300 and the fourth stuffing section 400 is determined by the thickness and density of the fibers of the stuffing base layer; The fiber thickness of the first stuffing section 100, the second stuffing section 200, the third stuffing section 300 and the fourth stuffing section 400 is determined by the extrusion head of the screw extrusion manufacturing device; The fiber density of the first stuffing portion 100, the second stuffing portion 200, the third stuffing portion 300 and the fourth stuffing portion 400 is determined by the winding diameter and the rotation path of the loop forming device; In the case of manufacturing the first stuffing section 100, the second stuffing section 200, the third stuffing section 300 and the fourth stuffing section 400, the thickness of the fiber is first determined by the screw extrusion manufacturing device, and then the winding diameter and density of the fiber are determined by the loop forming device.

[0027] The fiber thickness of the first stuffing section 100, the second stuffing section 200, the third stuffing section 300 and the fourth stuffing section 400 is determined by the extrusion head of the screw extrusion manufacturing equipment. By replacing the extrusion head with the corresponding model number, the molten PE raw material can be extruded into PE fibers of the corresponding thickness, and the hardness of the PE fiber stuffing can be determined based on the fiber thickness of the first stuffing section 100, the second stuffing section 200, the third stuffing section 300 and the fourth stuffing section 400. EXAMPLES

[0028] As shown in Figures 2 and 3, in an embodiment of the present invention, any two or three types of fiber stuffing including PE, POE, PA, TPE, and PP are composed of a first deformable pillow area A1301 and a first deformable pillow area B1302. By making the first deformable pillow 1300 into two sets of independent areas, the pillow can be kept in a form in which one side is hard and the other side is soft, so that the user can more appropriately select and use it.

[0029] In addition, for example, the second deformable pillow 1400 is composed of the second deformable pillow area A1401, the second deformable pillow area B1402, and the second deformable pillow area C1403, and by making the second deformable pillow 1400 into three sets of independent areas, the pillow can be kept in a form in which the center is hard and both sides are soft, so that the user can more appropriately select and use it. Each area in this embodiment is distinguished by setting a different color. EXAMPLES

[0030] As shown in FIG. 4 and FIG. 5, in the embodiment of the present invention, any two or three kinds of fiber filling of PE, POE, PA, TPE, PP is a modification to claim 1.

[0031] The mattress includes a first mattress region 900, a second mattress region 1000, a third mattress region 1100 and a fourth mattress region 1200, the second mattress region 1000, the third mattress region 1100 and the fourth mattress region 1200 being arranged symmetrically in pairs on both sides of the first mattress region 900, and the first mattress region 900, the second mattress region 1000, the third mattress region 1100 and the fourth mattress region 1200 being arranged so that the density gradually decreases from the inside to the outside, and the mattress is divided into four sets of independent mattresses. By providing these raised areas, the mattress can be kept in a form that is firm in the middle and soft on both sides, with the first mattress area 900 in the middle being firmer to better support the weight of the user's lower back, the second mattress area 1000 being better adapted to the user's hips and back, the third mattress area 1100 being better adapted to the user's shoulders and legs, and the fourth mattress area 1200 being better adapted to the user's head and feet, improving the levelness when the user is lying flat, distributing forces evenly, and improving comfort when the user is lying flat. In addition, in this embodiment, after the fiber is extruded by the screw extruder, it can be wound into different types of mattresses. For example, the first deformable mattress 1500 is composed of a first deformable mattress area A1501, a first deformable mattress area B1502, and a first deformable mattress area C1503. By making the first deformable mattress 1500 into three sets of independent areas, the mattress can be maintained in a form that is hard in the middle and soft on both sides, allowing the user to more appropriately select and use it. EXAMPLES

[0032] As shown in FIG. 6 , in this embodiment of the present invention, the fiber filling is different from that in the first embodiment in that in this embodiment, the fiber is extruded by a screw extruder and then wound into a cushion form, and the cushion includes a first cushion region 1600, a second cushion region 1700 and a third cushion region 1800.

[0033] The first cushion region 1600 is enclosed on the outside of the second cushion region 1700, and the second cushion region 1700 is enclosed on the outside of the third cushion region 1800, making the cushion into three sets of independent regions, which keeps the cushion in a hard form in the middle and soft on the periphery, allowing for better force distribution and improving the uniformity of the user's force distribution on the cushion.

[0034] As shown in Figures 7 to 10, in an embodiment of the present invention, the manufacturing apparatus for PE fiber stuffing includes a support stand 1, a screw extrusion mechanism is installed above the support stand 1, and a drive motor 2 is installed at the end opposite to the screw extrusion mechanism inside the support stand 1, a transmission sprocket A3 is installed at the output end of the drive motor 2, and a transmission sprocket B5 is installed at one end of the horizontal transmission shaft 14, and the transmission sprocket A3 and the transmission sprocket B5 are connected by a transmission chain 4. In the process of manufacturing PE fiber stuffing by the manufacturing apparatus, each raw material is supplied into the thermal melting cylinder 6 according to a predetermined specific gravity, and after the supply is completed, the drive motor 2 starts to operate, driving the transmission sprocket A3 to rotate, and driving the transmission sprocket B5 to rotate through the relay transmission of the transmission chain 4, and then driving the corresponding members in the screw extrusion mechanism and the thermal melting mechanism to operate.

[0035] A thermal melting mechanism is attached to one end of the passage of the extrusion tube 8 of the screw extrusion mechanism, and the screw extrusion mechanism and the thermal melting mechanism are connected by a drain pipe 7. The screw extrusion mechanism includes an extrusion tube 8 attached above a support stand 1, a horizontal transmission shaft 14 is rotatably connected inside the passage of the extrusion tube 8, and a screw 15 is fitted to the shaft rod of the horizontal transmission shaft 14. An extrusion head 10 is attached to the other end of the passage of the extrusion tube 8 so as to face the push head of the screw 15. The thermal melting mechanism includes a thermal melting tube 6 attached to one end of the passage of the extrusion tube 8, and a thermal melting A vertical transmission shaft 11 is rotatably connected to the inside of the passage of the melting cylinder 6, a plurality of sets of stirring arms 12 are fitted to the outside of the shaft of the vertical transmission shaft 11, facing the inside of the passage of the thermal melting cylinder 6, and a material extrusion screw 13 is fitted to the outside of the shaft of the vertical transmission shaft 11, facing the bottom of the passage of the thermal melting cylinder 6. Stirring scrapers 18 are symmetrically installed on the outer ends of the branch arms of the stirring arms 12 to be bonded to the wall of the thermal melting cylinder 6. A bevel gear B17 is installed at one end of the shaft of the horizontal transmission shaft 14, and a bevel gear A16 meshing with the bevel gear B17 is installed at the bottom end of the shaft of the vertical transmission shaft 11. In the process of producing PE fiber stuffing by the production device, the transmission sprocket B5 is rotated, and at the same time, the horizontal transmission shaft 14 is driven to rotate, and the bevel gear B17 is driven to rotate. Through the meshing transmission between the bevel gear B17 and the bevel gear A16, the vertical transmission shaft 11 is driven to rotate synchronously. During the rotation of the vertical transmission shaft 11, the multiple sets of stirring arms 12 and stirring scrapers 18 are driven to rotate synchronously, so that on the one hand, the uniformity of the thermal melting, stirring and mixing of the PE fiber raw material is improved, and on the other hand, the melted PE fiber is melted and mixed. After the PE fiber raw material is completely heat-melted, the valve of the drain line 7 is opened, and the material extrusion screw 13 is driven to rotate spirally by the vertical transmission shaft 11, so that the heat-melted PE fiber raw material is extruded spirally and sent into the extrusion tube 8 through the drain line 7. Furthermore, while the horizontal transmission shaft 14 is rotating, the screw 15 is driven spirally to synchronously propel the discharged PE fiber raw material, and the PE fiber raw material is extruded by the extrusion head 10 to form a PE fiber.

[0036] A heating coil is installed inside the barrel wall of the heat melting tube 6, and multiple sets of heating tube sleeves 9 are arranged and installed at equal intervals on the outside of the barrel passage of the extrusion tube 8. In the process of producing PE fiber stuffing by the manufacturing device, the heating coil inside the heat melting tube 6 can be used as a heat melting member to perform heat melting processing on the PE fiber raw material, and the fiber raw material is not limited to PE, but can further include materials such as polyester yarn, PVC, gel and their mixtures. The multiple sets of heating tube sleeves 9 on the outside of the barrel passage of the extrusion tube 8 can provide continuous auxiliary heating to the heat-melted PE fiber raw material, thereby maintaining its heat-melted state and improving the smoothness of the fiber molding.

[0037] The above content is merely a preferred specific embodiment of the present invention, and the protection scope of the present invention is not limited thereto. Any equivalent replacement or modification made by a person skilled in the art based on the technical means and inventive ideas of the present invention within the technical scope disclosed in the present invention should be included in the protection scope of the present invention. [Explanation of symbols]

[0038] 100 First stuffing part 200 Second stuffing part 300 3rd stuffing part 400 4th stuffing part 900 First Mattress Area 1000 Second Mattress Area 1100 3rd Mattress Area 1200 4th Mattress Area 1300 1st Deformable Pillow 1301 First deformation pillow area A 1302 First deformation pillow area B 1400 2nd Deformable Pillow 1401 Second deformation pillow area A 1402 Second deformation pillow area B 1403 Second deformation pillow area C 1500 1st Deformable Mattress 1501 First deformation mattress area A 1502 First deformation mattress area B 1503 First deformation mattress area C 1600 First cushion area 1700 Second cushion area 1800 3rd cushion area 1 Support stand 2 Drive motor 3 Transmission sprocket A 4 Transmission Chain 5 Transmission sprocket B 6 Heat melting tube 7 Drain line 8 Extrusion tube 9 Heater sleeve 10 Extrusion Head 11 Vertical transmission shaft 12 Mixing arm 13 Material extrusion screw 14 Transverse transmission shaft 15 Screw 16 Bevel gear A 17 Bevel gear B 18 Mixing scraper

Claims

1. The fiber stuffing includes at least two stuffing sections, each of which is formed by winding and stacking fibers, has a different hardness, and is divided into multiple layers, or is divided into multiple regions in the same layer, or is divided into multiple layers and multiple regions.

2. The fiber stuffing according to claim 1, characterized in that the stuffing portion is formed by heating and melting the fiber by a screw extrusion manufacturing device, extruding the fiber, and then stacking and compressing multiple sets of base layers at one time by a compression mold after the fiber is molded.

3. The fiber stuffing according to claim 1, characterized in that, when divided into multiple regions, each region is set to be 50 square centimeters or more, and when divided into multiple layers, the thickness of each layer is set to be 10 centimeters or more, the density of each layer or each region is set to be between 30 kilograms / cubic meter and 100 kilograms / cubic meter, adjacent layers or adjacent regions have a density difference of at least 10% between them or different fiber shapes and materials are set, the hardness is set to 60-100 Newtons, each layer or each region has a different hardness, and different colors can be set to distinguish layers or regions with different hardness.

4. The fiber filling material according to claim 1, characterized in that the hardness of each filling portion is determined by the thickness and density of the fiber in the filling base layer, and in the case of production, the thickness of the fiber is first determined by a screw extrusion manufacturing device, and then the winding diameter and density of the fiber are determined.

5. The fiber filling material according to claim 1, characterized in that the fiber thickness of each filling portion is determined by the extrusion head of the screw extrusion manufacturing equipment, and by replacing the extrusion head with the corresponding model number, the molten raw material can be extruded into a fiber of the corresponding thickness, and the hardness of the fiber filling material can be determined based on the fiber thickness of each filling portion.

6. The fiber stuffing manufacturing apparatus according to any one of claims 1 to 5, comprising a support stand (1), a screw extrusion mechanism attached above the support stand (1), a drive motor (2) attached to an end of the support stand (1) facing the screw extrusion mechanism, a thermal melting mechanism attached to one end of a tube passage of an extrusion tube (8) of the screw extrusion mechanism, and the screw extrusion mechanism and the thermal melting mechanism are electrically connected by a drain pipe (7); The screw extrusion mechanism includes an extrusion tube (8) attached above a support stand (1), a horizontal transmission shaft (14) is rotatably connected inside a cylindrical passage of the extrusion tube (8), a screw (15) is fitted to a shaft rod of the horizontal transmission shaft (14), and an extrusion head (10) is attached to the other end of the cylindrical passage of the extrusion tube (8) so as to directly face the push head of the screw (15); The heat melting mechanism includes a heat melting tube (6) attached to one end of the tube passage of the extrusion tube (8), a vertical transmission shaft (11) is rotatably connected to the inside of the tube passage of the heat melting tube (6), a plurality of sets of stirring arms (12) are fitted to the outside of the shaft of the vertical transmission shaft (11) facing the inside of the tube passage of the heat melting tube (6), a material extrusion screw (13) is fitted to the outside of the shaft of the vertical transmission shaft (11) facing the bottom of the tube passage of the heat melting tube (6), and stirring scrapers (18) are symmetrically installed on the outer ends of the branch arms of the stirring arms (12) to be attached to the tube wall of the heat melting tube (6).

7. 7. The fiber stuffing manufacturing apparatus according to claim 6, characterized in that a transmission sprocket A (3) is provided at the output end of the driving motor (2), a transmission sprocket B (5) is provided at one end of the transverse transmission shaft (14), and the transmission sprocket A (3) and the transmission sprocket B (5) are connected by a transmission chain (4).

8. The fiber stuffing manufacturing apparatus according to claim 6, characterized in that a bevel gear B (17) is installed at one end of the shaft of the horizontal transmission shaft (14), and a bevel gear A (16) meshing with the bevel gear B (17) is installed at the bottom end of the shaft of the vertical transmission shaft (11).

9. The fiber stuffing manufacturing apparatus according to claim 6, characterized in that a heating coil is attached inside the cylindrical wall of the heat melting tube (6), and a plurality of sets of heating tube sleeves (9) are arranged at equal intervals on the outside of the cylindrical passage of the extrusion tube (8).

10. The fiber stuffing manufacturing apparatus according to claim 6, characterized in that at least two sets of screw extrusion mechanisms are installed, and the extrusion heads of the two or more sets of screw extrusion mechanisms can all face the compression die.

Citation Information

Patent Citations

  • Cushion

    JP2005066134A

  • bedding

    JP6754084B2

  • pillow

    JP7185200B1

  • Transparent mattress

    US20100287708A1

  • Method of making textile laminate

    US5806154A

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