CN111139598A

CN111139598A - Thermoplastic elastomer non-woven fabric material and processing technology

Info

Publication number: CN111139598A
Application number: CN201811308536.4A
Authority: CN
Inventors: 许一斌
Original assignee: Suzhou Long Term Materials Science Co ltd
Current assignee: Suzhou Long Term Materials Science Co ltd
Priority date: 2018-11-05
Filing date: 2018-11-05
Publication date: 2020-05-12

Abstract

The invention discloses a thermoplastic elastomer non-woven fabric material and a processing technology, belonging to the technical field of non-woven fabric materials, the thermoplastic elastomer non-woven fabric material and the processing technology comprise a processing equipment frame, a melting plastic extruding machine is fixedly connected on the processing equipment frame, a metering pump is fixedly connected at the extruding end of the melting plastic extruding machine, a melt blowing-out head is fixedly connected at the output end of the metering pump, a non-woven fabric forming roller, a rotary transfer printing roller, a cooling roller and a pair of traction rollers are connected on the processing equipment frame, the non-woven fabric forming roller is positioned at the right side of the melt blowing-out head, the rotary printing roller is positioned under the non-woven fabric forming roller, the pair of traction rollers is positioned at the right side of the rotary transfer printing roller, filaments spun by a spinning device can be directly gathered and bonded on the rotary roller, the step of conveying belt to the rotary roller in the prior art is reduced, the yield is improved.

Description

Thermoplastic elastomer non-woven fabric material and processing technology

Technical Field

The invention relates to the technical field of non-woven fabric materials, in particular to a thermoplastic elastomer non-woven fabric material and a processing technology thereof.

Background

Thermoplastic elastomer TPE/TPR, also known as elastomer or elastomer. The product not only has the excellent performances of high elasticity, aging resistance and oil resistance of the traditional cross-linked vulcanized rubber, but also has the characteristics of convenient processing and wide processing mode of common plastics. The nozzle can be produced by processing modes such as injection molding, extrusion, blow molding and the like, and 100 percent of the nozzle corners are directly used for the second time after being crushed. The processing process is simplified, and the processing cost is reduced, so that the thermoplastic elastomer TPE/TPR material becomes a latest material for replacing the traditional rubber, is environment-friendly, nontoxic, comfortable in hand feeling and exquisite in appearance, and makes the product more creative. Therefore, the material is a novel synthetic material with more humanization and high grade, and is also a worldwide standard environment-friendly material.

Nonwoven fabrics, also called non-woven fabrics, are composed of oriented or random fibers, called fabrics because of their appearance and certain properties, and rolls of thermoplastic elastomer nonwoven fabrics and their manufacturing methods and apparatuses are disclosed in patent application No. CN01805134.0, which mentions: the filaments spun by the spinning device are gathered and bonded on a conveyor belt to form a sheet-like nonwoven fabric, and the formed nonwoven fabric is conveyed by the conveyor belt, guided to a rotating roller disposed above the conveying area, peeled off from the conveyor belt, and wound around a tubular body by a winding device to form a nonwoven fabric roll. But use the conveyer belt and need occupy great volume, the efficiency utilization ratio is lower, and the transmission between conveyer belt and the guider easily causes the deformation of non-woven fabrics moreover, influences the yield of non-woven fabrics.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a thermoplastic elastomer non-woven fabric material and a processing technology thereof, which can realize that filaments spun by a spinning device can be directly gathered and bonded on a rotating roller, reduce the step of transferring a conveying belt to the rotating roller in the prior art, improve the efficiency, simultaneously prevent tearing deformation in the production process and improve the yield.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

Thermoplastic elastomer non-woven fabric material and processing technology, including the processing equipment frame, fixedly connected with melting extruding machine on the processing equipment frame, the end fixedly connected with measuring pump is held in the extrusion of melting extruding machine, the head is blown out to the output fixedly connected with fuse-element of measuring pump, be connected with non-woven fabrics forming roll, rotary transfer printing system roller, chill roll and a pair of carry over pinch rolls on the processing equipment frame, the non-woven fabrics forming roll is located the right side that the head was blown out to the fuse-element, rotary printing roller is located the non-woven fabrics forming roll under, and is a pair of the carry over pinch rolls is located the right side of rotary transfer printing system roller, the chill roll is located between rotary transfer printing system roller and a pair of carry over pinch rolls, the transmission has the non-woven fabrics between non-woven fabrics forming roll, rotary transfer printing system roller, chill roll and a pair of carry over pinch rolls, it can, the step of conveyer belt to the rotatory roller transmission among the prior art has been reduced, has improved efficiency, and the difficult tearing that produces in the production process simultaneously warp, has improved the yield.

Furthermore, the melt blowing head comprises a pair of air chambers and a spinneret hole, air flow slits are formed between the pair of air chambers and the spinneret hole, and the required filaments can be blown out from the spinneret hole by debugging of a person skilled in the art.

Further, first pattern board of fixedly connected with and second pattern board on the rotary transfer system roller can directly print sunken pattern on the non-woven fabrics, when the non-woven fabrics of sunken pattern or characters are taken in the needs production preparation, can combine the technology of production and printing together, need not process once more at the later stage, has not only saved the time, has still greatly reduced the cost of production and processing, has promoted the competitiveness of product.

Furthermore, melting extruding machine includes heating plate, temperature sensing head and control mainboard, the control mainboard can be with melting temperature control in the melting extruding machine at 200 degrees centigrade, and the non-Newtonian index n of polyurethane melt is the peak value along with the temperature rising and changes, and when the temperature rose to 200 degrees centigrade, n reached maximum 0.85, and the rheological behavior that is close Newtonian fluid is difficult for making viscosity fluctuation too big, is difficult for influencing the non-woven fabrics quality.

Further, the one end fixedly connected with cold water filling valve of chill roll, the one end of cold water filling valve runs through the interior rampart of chill roll and is located the inside of chill roll, can form the cooling chamber in the inside of chill roll, and accessible cold water filling valve adds cold water to the cooling intracavity, realizes the cooling to the non-woven fabrics, greatly reduced the cost.

Further, the flabellum of a plurality of slopes of inner ring fixedly connected with of chill roll, it has a plurality of evenly distributed's exhaust vent to cut on the chill roll, the cavity that forms in the chill roll wraps up the exhaust vent, and a plurality of flabellums can produce the wind of equidimension when the chill roll is rotatory, and wind accessible exhaust vent cools off the non-woven fabrics, and by angle and the size of relevant technical personnel debugging flabellum slope, make wind can not influence the shape of non-woven fabrics, and wind can be cooled by the cold water of cooling intracavity through the exhaust vent simultaneously, and is better to the cooling effect of non-woven fabrics.

Furthermore, the main raw material of the production is polyurethane, the main raw material of polyurethane is required to be dried for 8 hours in vacuum at the temperature of 80 ℃ before the production, and the quality of the non-woven fabric can be greatly improved after the main raw material of polyurethane is dried in the environment through the reference of relevant documents.

Furthermore, the spinneret orifice is connected with a heating device, the heating device comprises a heating ring, a second temperature sensing head and a second control main board, the temperature of the spinneret orifice can be controlled to be 245-.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can realize that filaments spun by the spinning device can be directly gathered and bonded on the rotating roller, reduces the step of transmitting the conveying belt to the rotating roller in the prior art, improves the efficiency, is not easy to generate tearing deformation in the production process, and improves the yield.

(2) The melt blow-out head comprises a pair of air chambers and spinneret orifices, airflow slits are respectively cut between the air chambers and the spinneret orifices, and the required filaments can be blown out from the spinneret orifices by debugging of a person skilled in the art.

(3) First pattern board of fixedly connected with and second pattern board on the rotary transfer system roller, can directly print sunken pattern on the non-woven fabrics, when the non-woven fabrics of sunken pattern or characters is taken in the needs production preparation, can combine the technology of production and printing together, need not process once more at the later stage, not only saved the time, still greatly reduced the cost of production and processing, promoted the competitiveness of product.

(4) The melting plastic extruding machine comprises a heating sheet, a temperature sensing head and a control main board, wherein the control main board can control the melting temperature in the melting plastic extruding machine to be 200 ℃, the non-Newtonian index n of a polyurethane melt is in peak value change along with the temperature rise, when the temperature rises to 200 ℃, the n reaches the maximum value of 0.85, the rheological behavior close to Newtonian fluid is not easy to cause overlarge viscosity fluctuation, and the quality of non-woven fabrics is not easy to influence.

(5) The one end fixedly connected with cold water filling valve of chill roll, the one end of cold water filling valve runs through the interior rampart of chill roll and is located the inside of chill roll, can form the cooling chamber in the inside of chill roll, and accessible cold water filling valve adds cold water to the cooling intracavity, realizes the cooling to the non-woven fabrics, greatly the cost is reduced.

(6) The flabellum of a plurality of slopes of inner ring fixedly connected with of chill roll, it has a plurality of evenly distributed's exhaust vent to cut on the chill roll, the cavity that forms in the chill roll wraps up the exhaust vent, a plurality of flabellums can produce the wind of equidimension when the chill roll is rotatory, wind accessible exhaust vent cools off the non-woven fabrics, angle and size by relevant technical personnel debugging flabellum slope, make wind can not influence the shape of non-woven fabrics, wind can be cooled by the cold water in the cooling chamber through the exhaust vent simultaneously, the cooling effect to the non-woven fabrics is better.

(7) The main raw material of the production is polyurethane, the main raw material polyurethane needs to be dried for 8 hours in vacuum at 80 ℃ before production, and the quality of the non-woven fabric can be greatly improved after the main raw material polyurethane is dried in the environment through relevant literature review.

(8) The spinneret orifice is connected with a heating device, the heating device comprises a heating ring, a second temperature sensing head and a second control main board, the temperature of the spinneret orifice can be controlled between 245 and 265 ℃, and the mechanical property of the non-woven fabric produced at the temperature is better according to related documents.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a rotating roll according to the present invention;

fig. 3 is a schematic view of the structure of the cooling roller of the present invention.

The reference numbers in the figures illustrate:

1 melting extruding machine, 2 metering pumps, 3 melt blowing heads, 4 air chambers, 5 spinneret orifices, 6 airflow slits, 7 non-woven fabric forming rollers, 8 rotary transfer printing rollers, 801 first pattern plate, 802 second pattern plate, 9 cooling rollers, 901 cold water injection valve, 902 fan blades, 903 air outlet holes, 10 non-woven fabric and 11 drawing rollers.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, a thermoplastic elastomer non-woven fabric material and a processing process thereof, comprising a processing equipment frame, wherein the processing equipment frame is fixedly connected with a melting plastic extruding machine 1, the melting plastic extruding machine 1 comprises a heating sheet, a temperature sensing head and a control mainboard, the control mainboard can control the melting temperature in the melting plastic extruding machine 1 to be 200 ℃, the non-newtonian index n of a polyurethane melt is in peak value change along with the temperature rise, when the temperature rises to 200 ℃, n reaches a maximum value of 0.85, the viscosity fluctuation is not easy to be overlarge due to the rheological behavior close to newtonian fluid, the quality of the non-woven fabric 10 is not easy to be influenced, the extruding end of the melting plastic extruding machine 1 is fixedly connected with a metering pump 2, the output end of the metering pump 2 is fixedly connected with a melt blowing head 3, the processing equipment frame is connected with a non-woven fabric 10 forming roller 7, a rotary printing roller 8, a cooling roller, the rotary transfer printing roller 8 is positioned under the non-woven fabric 10 forming roller 7, the pair of traction rollers 11 is positioned on the right side of the rotary transfer printing roller 8, the cooling roller 9 is positioned between the rotary transfer printing roller 8 and the pair of traction rollers 11, the melt blowing head 3 comprises a pair of air chambers 4 and spinneret holes 5, a heating device is connected on the spinneret holes 5, the heating device comprises a heating ring, a second temperature sensing head and a second control main board, the temperature of the spinneret holes 5 can be controlled to be 245 plus 265 ℃, the mechanical property of the non-woven fabric 10 produced at the temperature is better according to related documents, airflow slits 6 are formed between the pair of air chambers 4 and the spinneret holes 5, the required filaments can be blown out of the spinneret holes 5 through debugging of technicians in the field, and the non-woven fabric 10 is driven between the non-woven fabric 10 forming roller 7, the rotary transfer printing roller 8, the cooling rollers 9 and the pair of traction rollers 11.

Referring to fig. 2, the first pattern plate 801 and the second pattern plate 802 are fixedly connected to the rotary transfer printing roller 8, so that the non-woven fabric 10 can be directly printed with a concave pattern, and when the non-woven fabric 10 with the concave pattern or characters needs to be produced, the production process and the printing process can be combined together without further processing at a later stage, thereby saving time, greatly reducing the production and processing cost, and improving the competitiveness of the product.

Referring to fig. 3, one end of the cooling roller 9 is fixedly connected with a cold water injection valve 901, one end of the cold water injection valve 901 penetrates through the inner annular wall of the cooling roller 9 and is located inside the cooling roller 9, a cooling cavity can be formed inside the cooling roller 9, cold water can be added into the cooling cavity through the cold water injection valve 901 to cool the non-woven fabric 10, so that the cost is greatly reduced, the inner ring of the cooling roller 9 is fixedly connected with a plurality of inclined fan blades 902, the cooling roller 9 is provided with a plurality of uniformly distributed air outlets 903, the air outlets 903 are wrapped by a cavity formed in the cooling roller 9, the plurality of fan blades 902 can generate air with a certain size when the cooling roller 9 rotates, the air can pass through the air outlets 903 and cool the non-woven fabric 10, relevant technical personnel can adjust the inclined angle and size of the fan blades 902, so that the air does not affect the shape of the non-woven fabric 10, and the air can be cooled by the cold, the cooling effect on the nonwoven fabric 10 is better.

The main raw material of the production is polyurethane, and the main raw material polyurethane needs to be dried for 8 hours in vacuum at 80 ℃ before production, and the quality of the non-woven fabric 10 can be greatly improved after the main raw material polyurethane is dried in the environment through the reference of relevant documents.

This scheme can realize that the long filament spun by spinning device can directly gather, the bonding on rotatory roller, has reduced the step of conveyer belt to rotatory roller transmission among the prior art, has improved efficiency, and the difficult tearing that produces in the production process simultaneously warp, has improved the yield, can combine the technology of production and printing together simultaneously, has not only saved the time, has still greatly reduced the cost of production and processing, has promoted the competitiveness of product.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. Thermoplastic elastomer non-woven fabric material and processing technology, including processing equipment frame, its characterized in that: a melting plastic extruding machine (1) is fixedly connected on the processing equipment frame, a metering pump (2) is fixedly connected at the extruding end of the melting plastic extruding machine (1), the output end of the metering pump (2) is fixedly connected with a melt blowing head (3), the processing equipment frame is connected with a non-woven fabric forming roller (7), a rotary transfer printing roller (8), a cooling roller (9) and a pair of traction rollers (11), the non-woven fabric forming roller (7) is positioned at the right side of the melt blowing head (3), the rotary transfer printing roller (8) is positioned under the non-woven fabric forming roller (7), the pair of traction rollers (11) is positioned on the right side of the rotary transfer printing roller (8), the cooling roller (9) is positioned between the rotary transfer printing roller (8) and a pair of traction rollers (11), the non-woven fabric forming roller (7), the rotary transfer printing roller (8), the cooling roller (9) and the pair of traction rollers (11) are driven by a non-woven fabric (10).

2. The thermoplastic elastomer nonwoven material and the processing technology thereof according to claim 1, characterized in that: the melt blowing head (3) comprises a pair of air chambers (4) and spinneret holes (5), and air flow slits (6) are formed between the air chambers (4) and the spinneret holes (5).

3. The thermoplastic elastomer nonwoven material and the processing technology thereof according to claim 1, characterized in that: the rotary transfer printing roller (8) is fixedly connected with a first pattern plate (801) and a second pattern plate (802).

4. The thermoplastic elastomer nonwoven material and the processing technology thereof according to claim 1, characterized in that: the melting plastic extruding machine (1) comprises a heating sheet, a temperature sensing head and a control main board, and the control main board can control the melting temperature in the melting plastic extruding machine (1) to be 200 ℃.

5. The thermoplastic elastomer nonwoven material and the processing technology thereof according to claim 1, characterized in that: one end of the cooling roller (9) is fixedly connected with a cold water injection valve (901), and one end of the cold water injection valve (901) penetrates through the inner annular wall of the cooling roller (9) and is positioned inside the cooling roller (9).

6. The thermoplastic elastomer nonwoven material and the processing technology thereof according to claim 1, characterized in that: inner ring fixedly connected with flabellum (902) of a plurality of slopes of chill roll (9), it has a plurality of evenly distributed's exhaust vent (903) to cut on chill roll (9), cavity that forms in chill roll (9) wraps up exhaust vent (903).

7. The thermoplastic elastomer nonwoven material and the processing technology thereof according to claim 1, characterized in that: the main raw material of the production is polyurethane, and the main raw material polyurethane needs to be dried for 8 hours in vacuum at 80 ℃ before production.

8. The thermoplastic elastomer nonwoven material and the processing technology thereof according to claim 1, characterized in that: the spinneret orifice (5) is connected with a heating device, the heating device comprises a heating ring, a second temperature sensing head and a second control main board, and the temperature of the spinneret orifice (5) can be controlled between 245 ℃ and 265 ℃.