WO2015154244A1

WO2015154244A1 - Three-dimensional elastic cushion processing using plurality of yarns

Info

Publication number: WO2015154244A1
Application number: PCT/CN2014/074960
Authority: WO
Inventors: 陶义祥
Original assignee: 耀亿工业股份有限公司
Priority date: 2014-04-09
Filing date: 2014-04-09
Publication date: 2015-10-15

Abstract

Provided is three-dimensional elastic cushion processing using a plurality of yarns, comprising the following steps: (a) melting plastic raw material, and respectively extruded from at least two ejection openings; (b) rolling and shaping yarns having at least two yarn diameters: attaching the yarn rolling mold at each ejection opening, the yarn rolling mold having at least two yarn rolling areas respectively corresponding to the ejection openings; the first yarn rolling area and the second yarn rolling area respectively have different aperture sizes and different aperture setup densities, such that the plastic raw material entering the ejection opening is rolled in the first yarn rolling area and the second yarn rolling area into at least two yarn molds having different yarn diameters and density. The three-dimensional elastic cushion process using a plurality of yarns has a yarn rolling molds, the yarn rolling molds being provided with at least two yarn rolling areas having different aperture sizes and aperture setup density so as to roll and form more than two layers of three-dimensional elastic yarn structures having different aperture sizes and density of apertures.

Description

Three-dimensional elastic pad process for multiple wires

Technical field

The invention relates to a process for a three-dimensional elastic pad, in particular to a three-dimensional elastic pad structure which is entangled in two layers and has different thickness and density of different yarns.

Background technique

The structure of the cushion body is often applied to furniture, vehicles, machinery and other supplies, especially the parts in contact with the human body, mainly providing buffering, preventing collision, and improving the comfort of use; the common cushion body is in the form of a seat cushion, Cushions, guardrails, handles, mattresses, etc., which are mainly used to provide the aforementioned requirements, and filled with materials with cushioning and elastic properties, such as air, liquid, foam, sponge, spring, elastic cotton, etc. Ways to achieve.

For the further analysis of the elastic cotton yarn, the structure is formed by a plurality of yarns in a mutually entangled crimping manner, and the yarns are combined in a plurality of manners so that the entire cushion body is supported, and the gap space between the yarns is matched to automatically The cushioning effect of the recovery; compared with other elastic materials, the elastic cotton yarn has better dispersibility and gas permeability, and the elasticity is more sensitive, and can be cut according to the structure during use. And the operation in use is also quite simple, and can be widely used in various fields.

The manufacturing process of the existing elastic cotton yarn, such as the mesh structure and the manufacturing method of the cushion disclosed in the invention patent No. 083101192, the starting material of the manufacturing process mainly uses a thermoplastic elastic resin, from a plurality of fine pores, The molten thermoplastic elastomer is injected downward at a temperature higher by 10 ° C to 80 ° C than the melting point, and the loops of the continuous linear body are formed in the melted state, and the individual loops are in contact with each other, and are fused into a three-dimensional random loop structure. At the same time, it is clamped by the stretching device, and then cooled continuously. After cooling, the annealing is performed at a temperature lower than the melting point by at least 10 ° C, wherein the continuous linear body has a fineness of 300-100,000 Danni, and the irregular loop The diameter is 2-50 mm, and the apparent density of the mesh structure is 0.005-0.1 g/cm.

There is also a method for producing an elastic cotton yarn, such as the method for manufacturing a gas permeable elastic mat disclosed in Japanese Patent No. 090126977. The preparation process includes: a: Feed melting: preparing a plastic material having elastic properties and heating Melting; b: blow molding: plastic is formed by blow molding to form a hollow tubular plastic strip; c: roll forming type: the plastic strip is sent to the blowing nozzle to add at least one auxiliary heater, and the plastic strip is sent to two Between the guide wheel and the adjusting wheel which are adjacent to each other and rotate at a constant speed, a part of the adjusting wheel and the guiding wheel are immersed in the cooling groove, so that the plastic strip is formed in a curl shape on the guide wheel, and is pressed by the adjusting wheel The plastic strip is formed to control the thickness; d: cooling: before the plastic strip enters the cooling tank, the plastic strips are welded to each other at a plurality of points, so that the joint forms a joint, and the cooling groove is cooled and solidified, so that the plastic strips are formed. Irregularly staggered venting holes; e: cutting: will be shaped, connected to each other to form a long plastic strip, after being transported out of the guide wheel, according to the set specifications, one by one cut to form a block of elastic mat.

There is also a process and structure of an elastic cotton yarn, such as the three-dimensional network structure disclosed in the US Patent No. 7,993,794, and a method and apparatus for producing the three-dimensional network structure, which are manufactured from a raw material of a thermoplastic resin, wherein The resin forms a plurality of spirals and random entanglement to extrude a portion of the thermally bonded filaments, and the filament liquid is cooled to obtain a network structure, wherein the network structure has a single or a plurality of high density regions along a strip The mesh structure of the sides or parallel sides is arranged in the thickness direction of the mesh structure.

In the above process, although the manufacturing technology of the elastic cotton yarn is the same, and the finished products are all composed of yarns in a curled entangled state; however, the above-mentioned processes are still respectively belonging to elastic cotton pads for different structures, and different manufacturing applications are applied. Technology, the first case is to make a single wire diameter size, a single material, and the same density of elastic mesh structure; the second case is to manufacture hollow wire yarn, single wire diameter size, single raw material, and the same density of elasticity The net body structure; the third case is a single wire diameter size, a single material, and an elastic mesh structure with different densities.

technical problem

In the foregoing prior art processes, no elastic cotton yarns having different wire diameters and different densities, or even different materials at the same time, have been disclosed. At present, the prior art has not been able to simultaneously produce more than two layers, respectively. The elastic mesh structure of different wire diameter sizes and different densities; therefore, the inventors have provided a three-dimensional elastic pad process which can be consistently formed to simultaneously form a plurality of layers and multiple wires for the process of such elastic cotton yarns.

Technical solution

In view of this, the three-dimensional elastic pad process of the multiple wire disclosed in the present invention comprises the following steps:

(a) melting a plastic raw material to discharge at least two outlets: melting a plastic raw material in a melting furnace, having a feed port poured into the plastic raw material, and at least a predetermined portion of the melting furnace is provided The two shot outlets are separately discharged;

(b) embossing at least two kinds of wire diameters: using a one-piece spinning die and each of the ejection openings, the embossed spinning mold has at least a first line body pressing zone and a second wire body ramming zone Corresponding to each of the ejection outlets, the first linear body pressing zone and the second linear body clamping zone respectively have different aperture sizes and different aperture setting densities, so that the plastic raw materials entering the ejection openings respectively pass through the first linear body After the pressing zone and the second wire body ramming zone, at least two kinds of wire yarns having different wire diameters and densities are respectively extruded;

(c) Thickness adjustment: a wire thickness adjusting device disposed under the water surface of the water tank is connected to each of the wire yarns pressed by the embossed spinning mold, and each of the wire yarns is concentrated and compressed together to form a preset by a thickness adjusting die Thickness dimension

(d) tangling each of the wire body forming: each of the wire yarns is entangled with each other by the thickness adjusting device and the cooling water to form a three-dimensional elastic yarn having a continuous shape and having at least two layers of the yarns;

(e) guiding and cutting discharge: the three-dimensional elastic yarn is guided out of the water surface at a preset speed by a guiding device, and is connected with the guiding device by a cutting device, and the continuous guiding is extended. The three-dimensional elastic yarn is cut to form a predetermined shape and size, and a three-dimensional elastic mat formed by each of the yarns having at least two different wire diameters and different densities is completed.

The invention also provides a three-dimensional elastic pad process for multiple wires, which comprises the following steps:

(a) melting at least two plastic raw materials to be discharged at at least one ejection outlet: melting at least two plastic raw materials in a respective melting furnace, and discharging each of the at least one ejection outlet of each of the melting furnaces;

(b) embossing at least two kinds of plastic raw materials and two kinds of wire diameters: forming a spinning die with at least a first wire pressing zone and a second wire by using a one-piece spinning die The body-carrying zone respectively corresponds to each of the injection ports, and each of the first wire body pressing zone and the second wire body ramming zone respectively have different pore size and different aperture setting densities, so that the plastic raw materials entering each of the injection outlets Forming at least two kinds of yarns having different wire diameters and densities respectively after passing through each of the first wire body pressing zone and the second wire body pressing zone;

(e) guiding and cutting discharge: the three-dimensional elastic yarn is guided out of the water surface at a preset speed by a guiding device, and is connected with the guiding device by a cutting device, and the continuous guiding is extended. The three-dimensional elastic yarn is cut to form a predetermined shape and size, and a three-dimensional elastic mat formed by each of the yarns having at least two layers of different plastic materials, different wire diameters, and different densities is completed.

In one embodiment of the invention, the first wire body pressing zone has a pore size value ranging from 0.5 to 3.0 mm; and the second wire body binder zone has a pore size value ranging from 0.1 to 1.0 mm.

In an embodiment of the present invention, the second line body lacing area has a hole distance dimension value ranging from 10 to 20 mm; and the first line body escaping area has a hole distance distance dimension value ranging from 10 to 50 mm; each of the first line The aperture distance dimension of the two sides of the body pressing zone and the second wire body ramming zone ranges from 1 to 50 mm.

In one embodiment of the invention, the distance dimension of the embossed die to the water surface of the sink is 100-1000 mm.

In one embodiment of the present invention, the guiding device guides the three-dimensional elastic yarn to the cutting device by the thickness adjusting device at a constant speed, and the guiding speed ranges from 0.1 to 3. m/min.

In one embodiment of the invention, the thickness adjusting device has a thickness adjustment mode of relative linear displacement to adjust the overall width of the three-dimensional elastic yarn.

In one embodiment of the present invention, the plastic raw material is a material of a polyolefin copolymer PEO, a polyolefin and a rubber copolymer PET, a nylon-based elastomer Nylon, and a polyurethane-based elastomer PU.

In one embodiment of the present invention, the three-dimensional elastic pad has a support layer and an elastic layer, wherein the support layer has a large wire diameter and a density of 15-100. The yarn of kg/m3 is entangled together; the elastic layer is composed of a wire having a small wire diameter and a density of 5-90 kg/m3.

In the above embodiment, the three-dimensional elastic pad has a supporting layer and an elastic layer, wherein the supporting layer is made of a plastic material, and has a large wire diameter and a density of 15-100. The yarn of kg/m3 is entangled together; the elastic layer is composed of another plastic material, which is composed of a wire having a small wire diameter and a density of 5-90 kg/m3.

Beneficial effect

Compared with the prior art, the present invention has the following beneficial effects:

1. The three-dimensional elastic pad process of the multiple wire of the present invention has a embossed spinning die which is provided with at least a two-line body squeezing zone of different pore size and pore size density, thereby forming a three-dimensional elastic with different pore sizes and densities of at least two layers. Yarn structure.

2. A three-dimensional elastic pad process for multiple wires according to the present invention, which utilizes a thickness adjustment device having a thickness adjustment effect to concentrate and entangle the drawn yarns in a predetermined space to form a pre-form A three-dimensional elastic yarn structure having a thickness.

3. The three-dimensional elastic pad process of the multiple wire of the present invention, wherein the three-dimensional elastic pad is a support layer and an elastic layer structure having at least two different wire diameters and different densities, so that they have high support portions and high elasticity at the same time. The buffer portion is located on an elastic mat, and at the same time achieves the double effect of high support force and good cushioning property.

4. The three-dimensional elastic pad process of the multiple wires of the present invention can be further combined with the separate melting furnaces to respectively melt different raw materials, and the respective wire body pressing regions corresponding to different pore sizes and different pore diameters can be entangled and formed differently. The material layer is applied to an elastic mat while at the same time achieving the function of changing the material with its characteristics.

DRAWINGS

1 is a flow chart of a manufacturing process in accordance with a preferred embodiment of the present invention.

2 is a schematic view of a process tool according to a preferred embodiment of the present invention.

Figure 3 is a schematic view of a embossed spinning die in accordance with a preferred embodiment of the present invention.

4 is a view showing a state of use of a thickness adjusting device according to a preferred embodiment of the present invention.

FIG. 5 is a schematic view of a three-dimensional elastic pad according to a preferred embodiment of the present invention.

Figure 6 is a flow chart showing the manufacture of another embodiment of the present invention.

FIG. 7 is a schematic view of a process tool according to another embodiment of the present invention.

FIG. 8 is a schematic view of a three-dimensional elastic pad according to another embodiment of the present invention.

Figure 9 is a schematic view of a process tool according to still another embodiment of the present invention.

Figure 10 is a schematic view of a embossed spinning die in accordance with still another embodiment of the present invention.

FIG. 11 is a schematic view of a three-dimensional elastic pad according to still another embodiment of the present invention.

Figure 12 is a schematic view of a embossed spinning die in accordance with a further embodiment of the present invention.

Figure 13 is a schematic view of a process tool according to a further embodiment of the present invention.

[Simplified symbol]:

10 melting furnace 40 sink 11 inlet

50 thickness adjustment device 12, 13 injection port 51 thickness adjustment mode

20 embossed spinning mold 60 guiding device 21, the first line body escorting area

22Second line body mortuary area 23 Third line body mortuary area 70 cutting device

30-dimensional elastic yarn 211, 221, 231 Yarn hole 31, 32 thread yarn 80-dimensional elastic pad 30-dimensional elastic yarn 81 support layer

31, 32, 33 thread yarn 82 elastic layer 83 intermediate layer.

BEST MODE FOR CARRYING OUT THE INVENTION

First, referring to FIG. 1 to FIG. 5, the three-dimensional elastic pad process of the multi-wire material provided by the present invention mainly comprises the following steps:

(a) Melting a plastic raw material to discharge at the two outlets (12, 13):

a plastic raw material is melted in a melting furnace 10, which has a feed port 11 poured into the plastic raw material, and a predetermined portion of the melting furnace 10 is provided with two injection outlets (12, 13) for discharging; The plastic raw material can be used for materials such as polyolefin copolymer PEO, polyolefin and rubber copolymer PET, nylon elastomer Nylon, and polyurethane elastomer PU.

(b) Forming two types of wire diameter yarns (31, 32):

The embossed spinning mold 20 is connected to each of the ejection openings (12, 13), and the embossed spinning mold 20 has a first linear body squeezing area 21 and a second linear body staking area 22 Corresponding to each of the ejection outlets (12, 13), each of the first linear body urging zone 21 and the second linear body mortal zone 22 is provided with a plurality of yoke insertion holes (211, 221) respectively. Each has a different pore size and a different pore size setting density, so that the plastic raw materials entering the respective ejection openings (12, 13) are respectively pushed out after passing through the first linear body holding zone 21 and the second linear body holding zone 22 respectively. Two kinds of yarns (31, 32) with different wire diameters and densities are formed.

(c) Thickness adjustment:

Each of the wire yarns (31, 32) pressed by the embossed spinning mold 20 is engaged by a thickness adjusting device 50 disposed under the water surface of a water tank 40, and each of the yarns is replaced by a thickness adjusting die 51. 32) Concentrating and co-compressing to form a predetermined thickness dimension; the thickness adjusting die 51 is formed by two corresponding left and right dies, and the overall width of each of the wire yarns (31, 32) is adjusted in a relatively linear displacement manner.

(d) tangling each of the wire bodies (31, 32) to form:

Each of the yarns (31, 32) is entangled with each other after the thickness adjusting device 50 and the cooling water entering the water tank to form a three-dimensional elastic yarn 30 having a continuous shape and two layers of the yarn.

(e) Guide and cut discharge:

The three-dimensional elastic yarn 30 is guided out of the water surface by a guiding device 60 at a preset speed, and is connected to the guiding device 60 by a cutting device 70 to cut the three-dimensional elastic yarn 30 continuously guided and extended. Forming a predetermined shape and size, a three-dimensional elastic pad 80 formed by each of the two different wire diameters and different densities is completed.

Through the above-mentioned process, the three-dimensional elastic pad process with multiple layers and multiple wires is synchronously completed in the production line, and the embossed yarn mold 20 is pressed to form at least two layers of three-dimensional elastic yarn structures with different apertures and different densities, and at the same time The dual effect of high support force and good cushioning property, combined with the thickness adjustment device 50, has the effect of thickness adjustment, so that the three-dimensional elastic yarn 30 has already conformed to the preset thickness before cutting, and can also form a preset thread yarn according to requirements (31). 32) The number of layers or the material of each layer of yarn is changed.

For a further understanding of the structural features of the present invention, the use of technical means, and the desired benefits, the manner of use of the present invention is described as follows:

The present invention is carried out in sequence with the above five processes, and the three-dimensional elastic pad 80 is manufactured by a consistent operation of a production line. First, in the step (a), the melting furnace 10 is used to set two outlets (12, 13) for discharging; (b) cooperating with the setting of the embossed spinning mold 20, and respectively arranging each of the first line body clogging area 21 and the second line body escaping area 22 to respectively correspond to the respective ejection openings (12, 13) And each of the first line body occlusion area 21 and the second line body escrow area 22 respectively have a plurality of yoke holes (211, 221) having different aperture sizes and different densities, and the yoke holes are arranged. (211, 221) respectively compressing the respective yarns (31, 32) of the predetermined wire diameter and the density; and then joining and concentrating the thickness adjusting device 50 disposed in the water tank 40 in the step (c); Each of the yarns (31, 32) is pressed, thereby limiting the space in which the yarns (31, 32) can be curled and entangled, that is, the predetermined thickness that can be formed; and then in step (d) in the water tank 40 Each of the yarns (31, 32) which are limited by space is entangled and entangled with each other due to a decrease in temperature to form a stand having a predetermined thickness and continuously extending. The elastic yarn 30 is finally pushed to the cutting device 70 by the guiding device 60 in the step (e), and the length and width are cut according to the requirement, that is, a three-dimensional elastic is completed. Pad 80.

The embossed spinning mold 20 of the present invention has a first line body squeezing area and a second line body escrow area (21, 22), the difference being that each of the first line body escorting area 21 and the second line body escrow area 22 each of the yarn insertion holes (211, 221) having different aperture sizes, and the distance between the respective yarn insertion holes (211, 221) are also different; further, the first line body The yarn opening hole 211 of the pressing zone 21 has a pore size value ranging from 0.5 to 3.0 mm, and the aperture distance is relatively large, that is, the density is low, and the size value ranges from 10 to 50 mm; the second wire body pressing zone 22 has the same The aperture size of the yoke hole 221 ranges from 0.1 to 1.0 mm, and the aperture distance is small, that is, the density is high, and the size range thereof is 10-20 mm; each of the first line body occlusion area 21 and the second line body The hole distance (211, 221) of each of the yarn insertion holes (211, 221) spaced apart on both sides of the garnish area 22 ranges from 1 to 50 mm.

The distance dimension (d) of the embossed spinning mold 20 to the water surface of the water tank 40 of the present invention is 100-1000 mm; the guiding device 60 guides the three-dimensional elastic yarn (30) at a constant speed and is pulled by the thickness adjusting device 50. Up to the cutting device 70, the guiding speed has a value ranging from 0.1 to 3. m/min.

Referring to FIG. 5, the three-dimensional elastic pad 80 of the present invention has a support layer 81 and an elastic layer 82. The support layer 81 is composed of a wire mesh 32 having a large wire diameter and a low density, and the wire yarn is entangled. 32 tangled density values range from about 15-100 Kg/m3, Danny number 1500-80000D; the elastic layer 82 is composed of a wire 31 having a small wire diameter and a high density, and the wire entangled density value range is about 5-90. Kg/m3, Danny number 60-10000D. The density according to the invention is calculated as the ratio of the mass of the product to the measured apparent volume, the volume of which contains the entangled voids of each of the strands (31, 32).

The present invention utilizes the embossed spinning mold 20, which is provided with at least a first line body squeezing area 21 and a second line body squeezing area 22 having different aperture sizes and aperture densities, each of which is provided with a preset aperture and a density differently. Each of the yarns is inserted (211, 221), so after the feeding of the respective ejection ports (12, 13) respectively, each of the first line body pressing area 21 and the second line body holding area 22 The three-dimensional elastic yarn 30 structure having different pore diameters and densities of at least two layers or more is separately formed, and the problem that the prior art can only produce the same pore diameter or the same density can be solved.

The present invention utilizes the thickness adjustment device 50, which has a thickness adjustment effect, to concentrate and entangle the entangled yarns (31, 32) in a predetermined space between the thickness adjustment dies 51, In order to form the structure of the three-dimensional elastic yarn 30 of a predetermined thickness, the subsequent work of thickness cutting can be saved to achieve the effect of reducing the manufacturing cost.

The three-dimensional elastic pad 80 manufactured by the process of the present invention has a support layer 81 and an elastic layer 82 structure having at least two different wire diameters and different densities, so as to have a high support portion and a high elastic buffer portion at the same time. Compared with the existing elastic mesh structure with only a single layer and a single wire diameter, the three-dimensional elastic pad 80 of the present invention can achieve the double effect of high support force and good cushioning property due to different hardness on both sides. The user can flip the stereo elastic pad 80 as needed, so that the use is extremely convenient, that is, it has high practicability.

Referring to FIG. 6 to FIG. 8 , in another embodiment of the present invention, a three-dimensional elastic pad process mainly includes the following steps:

(a) melting at least two plastic raw materials to be discharged at at least one of the ejection outlets (12, 13):

At least two plastic raw materials are separately melted in a melting furnace 10, and are respectively discharged from at least one of the injection ports (12, 13) of each of the melting furnaces 10.

(b) Manufacture at least two types of plastic raw materials and two types of wire diameters:

The embossing die 20 is connected to each of the ejection openings (12, 13), and the embossed spinning mold 20 has a first linear body squeezing zone 21 and a second linear body staking zone 22 to respectively correspond to the respective ejection openings. (12, 13), each of the first line body holding area 21 and the second line body pressing area 22 respectively have a plurality of yarn opening holes (211, 221) of different aperture sizes and different aperture setting densities, so that each The plastic raw materials entering the ejection outlets (12, 13) pass through the first linear body pressing zone 21 and the second linear body pressing zone 22, respectively. After that, at least two types of yarns (31, 32) having different wire diameters and densities are formed.

(c) Thickness adjustment:

Each of the wire yarns (31, 32) pressed by the embossed spinning mold 20 is engaged by a thickness adjusting device 50 disposed under the water surface of the water tank 40, and each of the yarns (31, 32) is used by the thickness adjusting mold 51. Concentrated and co-compressed to form a preset thickness dimension.

(d) tangling each of the wire forms:

After the wire yarns (31, 32) are subjected to the thickness adjusting device 50 and the cooling water, they are entangled with each other to form at least two layers of the three-dimensional elastic yarn 30 having a continuous shape.

(e) Guide and cut discharge:

The three-dimensional elastic yarn 30 is guided out of the water surface by a guiding device 60 at a preset speed, and is connected to the guiding device 60 by a cutting device 70 to cut the three-dimensional elastic yarn 30 continuously guided and extended. Forming a preset shape and size, that is, completing a three-dimensional elastic pad 80 formed by at least two layers of different plastic materials, different wire diameters, and different density yarns.

In this embodiment, the two different raw materials are mainly melted by using at least two melting furnaces 10, and different raw materials are fed from the respective injection outlets (12, 13), and the respective outlets of the different raw materials (12, 13) ) respectively corresponding to the first line body pressing zone 21 and the second wire body pressing zone 22, then the yarns (31, 32) of the different thread materials are different except for different wire diameters and densities. And completing the process according to the steps (c) to (e) which are identical to the preferred embodiment; the three-dimensional elastic pad 80 is manufactured, and each of the support layer 81 and the elastic layer 82 is applied to different materials, and has The wire yarns (31, 32) which are bent at different wire diameters and different densities are further entangled and formed. Therefore, the three-dimensional elastic pad 80 of the embodiment has the characteristics of different raw materials, and at the same time, the raw materials are matched with the characteristics thereof. The efficiency of the transformation, and the richness of the application, is a very practical process. Other manufacturing methods, tools and mold usage patterns, environmental parameter settings, and expected efficacy are the same as in the previous embodiments.

Referring to FIG. 9 to FIG. 11 , in another embodiment of the present invention, a manufacturing process of a three-layer three-dimensional elastic pad is provided. The melting furnace 10 is provided with a three-shot outlet (12, 13, 14). Corresponding to the first line body pressing area 21, the second line body pressing area 22, and the third line body pressing area 23 (,, and the first line body pressing area 21, the second line body pressing area 22, and the third line body holding area 23 respectively have different apertures and different density distributions of the yarn holes (211, 221, 231) ).

At the time of manufacture, the first line body pressing area 21, the second line body pressing area 22, and the third line body pressing area 23 respectively press the respective thread diameters (31, 32, 33) of different wire diameters and different densities. And completing the process according to steps (c) to (e) which are identical to the preferred embodiment; the three-dimensional elastic pad 80 is manufactured, and has a support layer 81 and an elastic layer 82 which are different in support and hardness. And an intermediate layer 83, each layer having different wire diameters and different density of yarns; therefore, the process of the present invention can be consistently produced according to requirements, and the layers have different supports and hardnesses. Compared with the prior art and the elastic pad structure, the present invention has a relatively varied use and is widely used in various fields, different products, and different buffering conditions.

Referring to FIG. 12 to FIG. 13 , a further embodiment of the present invention is an embodiment of staggered at least two yarns of different wire diameters and densities, wherein at least two wire diameters (31, 32) are pressed in step b. The yarn forming, each of the ejection openings (12, 13) is arranged in an appropriate number and at a predetermined position, and is connected to the embossed spinning mold 20 to cooperate with the embossed spinning mold 20 and each of the ejection openings (12). And 13) corresponding to the yarn hole (211, 221) of different wire diameters, that is, at least two kinds of yarns (31, 32) which are mutually staggered and have different wire diameters can be formed, and the same yarn (31, 31) 32) The spacing is also different and thus produces different densities, while having another elastic cushion with different elasticity and support. Other modes of use and expected efficacy are identical to the previous embodiments.

In summary, the three-dimensional elastic pad process of the multiple wire disclosed in the present invention provides a continuous operation process of a production line, which is formed by more than one layer, and each layer has different wire diameters and different densities to achieve different support effects. The three-dimensional elastic pad utilizes each of the ejection openings to correspond to each of the line body embossing areas of different apertures and densities, and at the same time, each of the different diameters and different densities of the yam is pressed, and then thickness-adjusted and entangled. And the guiding and cutting process, the three-dimensional elastic pad is manufactured, and has a plurality of elastic layers belonging to different support and hardness, and the yarns of each layer have different wire diameters and densities respectively, and can be formed according to requirements. The preset number of yarn layers or the material of each layer of yarn can effectively reduce the manufacturing cost, and the use of multiple raw materials makes the three-dimensional elastic mat extremely versatile, and can be widely used in various industries to respond to various fields. The different requirements of the products, and the elastic pad technology of the multi-wires which are highly practical, make the whole industry practical and cost-effective.

The above is a specific embodiment of the present invention and the technical principles applied thereto. If the changes made by the concept of the present invention do not exceed the spirit of the specification and the drawings, Within the scope of the invention.

Claims

A three-dimensional elastic pad process for multiple wires, characterized in that it comprises the following steps:

(a) melting a plastic raw material to discharge at least two outlets: melting a plastic raw material in a melting furnace, having a feed port poured into the plastic raw material, and at least a predetermined portion of the melting furnace is provided The two shot outlets are separately discharged;

(b) embossing at least two kinds of wire diameters: using a one-piece spinning die and each of the ejection openings, the embossed spinning mold has at least a first line body pressing zone and a second wire body ramming zone Corresponding to each of the ejection outlets, the first linear body pressing zone and the second linear body clamping zone respectively have different aperture sizes and different aperture setting densities, so that the plastic raw materials entering the ejection openings respectively pass through the first linear body After the pressing zone and the second wire body ramming zone, at least two kinds of wire yarns having different wire diameters and densities are respectively extruded;

(c) Thickness adjustment: a wire thickness adjusting device disposed under the water surface of the water tank is connected to each of the wire yarns pressed by the embossed spinning mold, and each of the wire yarns is concentrated and compressed together to form a preset by a thickness adjusting die Thickness dimension

(d) tangling each of the wire body forming: each of the wire yarns is entangled with each other by the thickness adjusting device and the cooling water to form a three-dimensional elastic yarn having a continuous shape and having at least two layers of the yarns;

(e) guiding and cutting discharge: the three-dimensional elastic yarn is guided out of the water surface at a preset speed by a guiding device, and is connected with the guiding device by a cutting device, and the continuous guiding is extended. The three-dimensional elastic yarn is cut to form a predetermined shape and size, and a three-dimensional elastic mat formed by each of the yarns having at least two different wire diameters and different densities is completed.
A three-dimensional elastic pad process for multiple wires, characterized in that it comprises the following steps:

(a) melting at least two plastic raw materials to be discharged at at least one ejection outlet: melting at least two plastic raw materials in a respective melting furnace, and discharging each of the at least one ejection outlet of each of the melting furnaces;

(b) embossing at least two kinds of plastic raw materials and two kinds of wire diameters: forming a spinning die with at least a first wire pressing zone and a second wire by using a one-piece spinning die The body-carrying zone respectively corresponds to each of the injection ports, and each of the first wire body pressing zone and the second wire body ramming zone respectively have different pore size and different aperture setting densities, so that the plastic raw materials entering each of the injection outlets Forming at least two kinds of yarns having different wire diameters and densities respectively after passing through each of the first wire body pressing zone and the second wire body pressing zone;

(c) Thickness adjustment: a wire thickness adjusting device disposed under the water surface of the water tank is connected to each of the wire yarns pressed by the embossed spinning mold, and each of the wire yarns is concentrated and compressed together to form a preset by a thickness adjusting die Thickness dimension

(d) tangling each of the wire body forming: each of the wire yarns is entangled with each other by the thickness adjusting device and the cooling water to form a three-dimensional elastic yarn having a continuous shape and having at least two layers of the yarns;

(e) guiding and cutting discharge: the three-dimensional elastic yarn is guided out of the water surface at a preset speed by a guiding device, and is connected with the guiding device by a cutting device, and the continuous guiding is extended. The three-dimensional elastic yarn is cut to form a predetermined shape and size, and a three-dimensional elastic mat formed by each of the yarns having at least two layers of different plastic materials, different wire diameters, and different densities is completed.
The three-dimensional elastic pad process for a multiple wire according to claim 1 or 2, wherein the first wire body pressing zone has a hole size value ranging from 0.5 to 3.0 mm; and the second wire body pressing zone has a hole size value The range is 0.1-1.0mm.
The three-dimensional elastic pad process of the multiple wire according to claim 1 or 2, wherein the second wire body lacing zone has a hole distance dimension value ranging from 10 to 20 mm; and the aperture distance of the first wire body ramming zone The size value ranges from 10 to 50 mm; the aperture distance dimension of the first line body pressing area and the second line body pressing area is 1-50 mm.
The three-dimensional elastic pad process for a multiple wire according to claim 1 or 2, wherein the distance dimension of the embossed die to the water surface of the sink is 100-1000 mm.
The three-dimensional elastic pad process for a multiple wire according to claim 1 or 2, wherein the guiding device guides the three-dimensional elastic yarn at a constant speed to the cutting device by the thickness adjusting device, and the guiding device The range of the velocity is 0.1-3 m/min.
The three-dimensional elastic pad process for a multiple wire according to claim 1 or 2, wherein the thickness adjusting device has a thickness adjusting mold of a relative linear displacement to adjust the overall width of the three-dimensional elastic yarn.
The three-dimensional elastic pad process for a multiple wire according to claim 1 or 2, wherein the plastic material is a polyolefin copolymer PEO, a polyolefin and a rubber copolymer PET, a nylon elastomer Nylon, a polyurethane The material of the ester elastomer PU.
The three-dimensional elastic pad process of the multiple wire according to claim 1 or 2, wherein the three-dimensional elastic pad has a support layer and an elastic layer, wherein the support layer has a large wire diameter and a density of 15- 100 The yarn of kg/m3 is entangled together; the elastic layer is composed of a wire having a small wire diameter and a density of 5-90 kg/m3.
The three-dimensional elastic pad process of the multiple wire according to claim 2, wherein the three-dimensional elastic pad has a supporting layer and an elastic layer, wherein the supporting layer is applied by a plastic material, and the wire diameter is larger And the density is 15-100 The yarn of kg/m3 is entangled together; the elastic layer is composed of another plastic material, which is composed of a wire having a small wire diameter and a density of 5-90 kg/m3.