CN112604899A - Non-woven fabric glue dipping device, method and preparation system - Google Patents
Non-woven fabric glue dipping device, method and preparation system Download PDFInfo
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- CN112604899A CN112604899A CN202011322049.0A CN202011322049A CN112604899A CN 112604899 A CN112604899 A CN 112604899A CN 202011322049 A CN202011322049 A CN 202011322049A CN 112604899 A CN112604899 A CN 112604899A
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 81
- 238000007598 dipping method Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000003292 glue Substances 0.000 title description 17
- 238000005470 impregnation Methods 0.000 claims abstract description 29
- 239000004744 fabric Substances 0.000 claims abstract description 24
- 238000001125 extrusion Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000005096 rolling process Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009998 heat setting Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/12—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length
- B05C3/125—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length the work being a web, band, strip or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
- B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
- B05C3/12—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length
- B05C3/15—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length not supported on conveying means
- B05C3/152—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length not supported on conveying means the work passing in zig-zag fashion over rollers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
A non-woven fabric gum dipping device, a method and a preparation system are provided, the device comprises a gum dipping tank, a first roller set and a second roller set, wherein the first roller set and the second roller set are arranged above the gum dipping tank; the first roller set comprises a first roller and a second roller which are arranged in parallel, the second roller set comprises a third roller and a fourth roller which are arranged in parallel, and when the original non-woven fabric passes through the space between the first roller and the second roller and the space between the third roller and the fourth roller, the original non-woven fabric can be extruded. According to the non-woven fabric gum dipping device, method and preparation system, a double gum dipping process is adopted to carry out gum dipping on the non-woven fabric raw fabric for two times, so that gum dipping of the non-woven fabric is more thorough and uniform in high-speed production, and gum dipping efficiency and product quality are improved; and an S roller is adopted during the second impregnation, so that the adjustment range of the rolling residue rate of the impregnator and the impregnation uniformity are improved.
Description
Technical Field
The invention belongs to the field of non-woven fabric production equipment, and particularly relates to a non-woven fabric glue dipping device, a non-woven fabric glue dipping method and a non-woven fabric glue dipping preparation system.
Background
The nonwoven fabric is a fabric in which fibers are entangled with each other by a large number of needles with needle punching or a part of the fibers is bonded to each other without being woven. Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers. The Polyester spinning material is prepared by taking Polyester (PET) granules as raw materials and carrying out continuous production through high-temperature melting, spinning, lapping, needling, hot pressing, drying and rolling. It is called a cloth because of its appearance and certain properties. It is called a non-woven fabric although it is a fabric and not woven. The nonwoven fabric has: the air permeability, filtering property, heat preservation property, water absorption property, waterproofness, flexibility, no disorder, good hand feeling, softness, lightness, elasticity, recoverability, no cloth directionality, high productivity, high production speed, low price, mass production and the like compared with woven cloth, so the fabric has the characteristics of wide application.
In the production of the non-woven fabric, after needle punching reinforcement and heat setting, the raw fabric needs to be dipped by a dipping machine and redundant starch glue or acrylic glue is extruded, and because the two rollers extrude each other, the upper roller surface made of rubber deforms, the center of the upper roller surface is sunken, so that the rolling residual rate is not uniform everywhere. The traditional rubber roller of the impregnator is designed into a middle-high rubber roller with a fixed middle height, and when fixed pressure is provided at two sides of the impregnator, deformation generated by extrusion of two rollers is compensated by the middle height of the rubber roller, so that the uniformity of gluing of a product is ensured.
In the prior art, a rubber roller of a impregnator is fixed in a middle-high mode, the pressure adjusting ranges on two sides are small, the rolling allowance range of the impregnator is limited, and no adjusting space exists in the rolling allowance; when the roller surface of the rubber roller is used for too long time, the middle and high rubber roller surfaces are worn and consumed, and the roller surface needs to be polished again; the impregnator only carries out one impregnation, the impregnation is not thorough, the efficiency is poor, and the production requirement of the production line with the speed of more than 20m/min can not be well met. The design of the rubber roller with high fixation has great defects, and the deformation of the rubber roller can be influenced by the pressure change, so that the rubber roller with high fixation can only use the pressure on two sides within a fixed range to ensure the uniformity of the rolling allowance, and the improvement of the formula of the rubber for the felt base cloth and the improvement of the production efficiency of a production line are limited.
Therefore, it is necessary to design a variable middle-height S roll and a production process using the same, which can be applied to a rolling mill of a high-speed nonwoven fabric production line to control thickness uniformity.
Disclosure of Invention
The invention aims to provide a non-woven fabric dipping device, a non-woven fabric dipping method and a non-woven fabric dipping preparation system, which can be applied to a rolling mill of a high-speed non-woven fabric production line to control the thickness uniformity.
In order to achieve the aim, the invention provides a non-woven fabric dipping device which comprises a dipping tank, a first roller group and a second roller group, wherein the first roller group and the second roller group are arranged above the dipping tank;
the first roller set comprises a first roller and a second roller which are arranged in parallel, the second roller set comprises a third roller and a fourth roller which are arranged in parallel, and when the non-woven fabric raw cloth passes through the first roller and between the second roller and between the third roller and the fourth roller, the non-woven fabric raw cloth can be extruded.
Preferably, the first roller is arranged above the second roller, the third roller is arranged above the fourth roller, and the second roller and the fourth roller are both steel rollers; the first roller and the third roller are both made of rubber.
Preferably, both ends of the first roller are in driving connection with a first oil pressure system.
Preferably, the third roller is the S roller, including interior roller with rotationally overlap and locate the outside roller of interior roller, the inside of interior roller is separated into low-pressure chamber and high-pressure chamber, the low-pressure chamber is located high-pressure chamber top.
The low pressure chamber with the high pressure chamber all communicates with second oil pressure system, the both ends drive connection of outer roller in first oil pressure system.
Preferably, the low pressure chamber and the high pressure chamber are provided with regulating valves at the communication part with the second oil pressure system.
Preferably, the glue dipping machine further comprises a first guide roller and a second guide roller, and the first guide roller and the second guide roller are both arranged in the glue dipping tank;
the first guide roller is arranged at the upstream of the first roller group, and the second guide roller is arranged between the first roller group and the second roller group.
The invention also provides a non-woven fabric dipping method, which utilizes the non-woven fabric dipping device and comprises the following steps:
step 1), pre-dipping the non-woven fabric raw cloth in a dipping tank, and then performing primary extrusion through the first roller set;
step 2), carrying out secondary gum dipping on the raw non-woven fabric in the gum dipping tank;
and 3) carrying out secondary extrusion on the raw non-woven fabric through the second roller group.
The invention also provides a non-woven fabric preparation system which comprises the non-woven fabric rubber dipping device.
The non-woven fabric glue dipping device, the non-woven fabric glue dipping method and the non-woven fabric glue dipping preparation system have the beneficial effects that: the double-dipping process is adopted to dip the non-woven fabric raw cloth twice, so that the non-woven fabric is dipped more thoroughly and uniformly in high-speed production, and the dipping efficiency and the product quality are improved; and an S roller is adopted during the second impregnation, so that the adjustment range of the rolling residue rate of the impregnator and the impregnation uniformity are improved.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 shows a front view of a nonwoven fabric size impregnator according to one embodiment of the present invention;
FIG. 2 shows an axial cross-sectional view of a third roll in a nonwoven sizing device according to one embodiment of the invention;
FIG. 3 shows a radial cross-sectional view of a third roll in a nonwoven sizing device according to one embodiment of the invention;
description of reference numerals:
1 a glue dipping tank, 2 a first roller, 3 a second roller, 4 non-woven fabric raw cloth, 5 a third roller, 6 a fourth roller,
7 outer rollers, 8 low pressure cavities, 9 high pressure cavities, 10 first guide rollers and 11 second guide rollers.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In order to solve the problems in the prior art, the invention provides a non-woven fabric impregnation device, which comprises an impregnation tank, a first roller set and a second roller set, wherein the first roller set and the second roller set are arranged above the impregnation tank;
the first roller set comprises a first roller and a second roller which are arranged in parallel, the second roller set comprises a third roller and a fourth roller which are arranged in parallel, and when the original non-woven fabric passes through the space between the first roller and the second roller and the space between the third roller and the fourth roller, the original non-woven fabric can be extruded.
The non-woven fabric impregnation device adopts a double-impregnation process to perform twice impregnation on the non-woven fabric raw fabric, so that the impregnation of the non-woven fabric is more thorough and uniform in high-speed production, and the impregnation efficiency and the product quality are improved.
The non-woven fabric raw cloth sequentially passes through the first roller set and the second roller set, namely, the impregnation and extrusion processes are carried out twice, so that the impregnation effect is better, the redundant glue solution extrusion effect is better, and the gluing uniformity of a product is ensured.
Preferably, the first roller is arranged above the second roller, the third roller is arranged above the fourth roller, and the second roller and the fourth roller are both steel rollers; the first roller and the third roller are both made of rubber.
Preferably, both ends of the first roller are in driving connection with the first oil pressure system.
The second roller is fixedly arranged, when the device is opened, the first oil pressure system drives the first roller to move to be attached to the second roller in an extrusion mode, after long-time work, the first roller made of rubber and the second roller are extruded for a long time to cause the contact surface of the first roller and the second roller to be abraded, the abrasion is compensated in the fixation of the first roller, and after the middle height is consumed by abrasion, the roller surface needs to be polished again or replaced.
Preferably, the third roller is an S roller, and includes an inner roller and an outer roller rotatably sleeved outside the inner roller, the inside of the inner roller is divided into a low pressure chamber and a high pressure chamber, and the low pressure chamber is located above the high pressure chamber.
The low-pressure cavity and the high-pressure cavity are communicated with the second oil pressure system, and two ends of the outer roller are in driving connection with the first oil pressure system.
The first oil pressure system comprises two pairs of oil cylinders, one pair of oil cylinders are connected to two ends of the first roller in a driving mode, and the other pair of oil cylinders are connected to two ends of the outer roller of the third roller in a driving mode so as to drive the third roller to move to the surface of the outer roller of the third roller to be extruded and attached to the fixedly arranged fourth roller;
the third roller is an S roller, when the device works for a long time and the surface of the outer roller of the third roller is abraded, the high-pressure cavity extrudes the outer roller by adjusting the pressure in the low-pressure cavity and the high-pressure cavity, and then the difference between the height of the bottom surface in the middle of the outer roller and the height of the bottom surfaces at the two ends of the outer roller is increased, namely the height is increased to make up the abrasion.
The middle height of the S roller can be adjusted by controlling the pressure of the inner roller, and when the actual middle height is small, the actual middle height is increased by increasing the pressure of the high-pressure cavity, so that the uniformity of the gum dipping residual ratio is adjusted. The pressure of the inner roller is adjusted to change the middle height of the S roller, so that the rubber roller is suitable for abrasion, the maintenance period of the rubber roller can be prolonged, the service life is longer, and the adjustment range of the rolling residue rate of the impregnator and the impregnation uniformity are improved.
The first oil pressure system and the second oil pressure system are common oil pressure supply devices, the structure and the principle are not repeated, the oil pressure system is adopted to replace the traditional air pressure gumming machine to control the pressure at the two ends of the first roller set and the second roller set, the pressure adjusting range at the two ends can be expanded, and the adjusting range of the second rolling residue rate of gumming is expanded to 200% -300%.
Preferably, the low pressure chamber and the high pressure chamber are provided with regulating valves at the communication positions with the second oil pressure system to regulate the pressure in the low pressure chamber and the high pressure chamber.
Preferably, the glue dipping machine further comprises a first guide roller and a second guide roller, and the first guide roller and the second guide roller are both arranged in the glue dipping tank; the first guide roller is arranged at the upstream of the first roller group, and the second guide roller is arranged between the first roller group and the second roller group.
The non-woven fabric raw cloth sequentially passes through a first guide roller, a first roller set, a second guide roller and a second roller set, the first roller set and the second roller set are communicated with the same impregnation tank, pre-impregnation is carried out during first impregnation, and secondary impregnation is carried out through the second roller set, so that the impregnation is more thorough and uniform; and through the cooperation with the S roller, production line efficiency promotes greatly, through the in-service use, can satisfy the gumming requirement of the speed of a motor vehicle of production line more than 30 m/min.
The invention also provides a non-woven fabric dipping method, which utilizes the non-woven fabric dipping device and comprises the following steps:
step 1), pre-dipping non-woven fabric raw cloth in a dipping tank, and then performing primary extrusion through a first roller set;
step 2), carrying out secondary impregnation on the non-woven fabric raw cloth in an impregnation tank;
and 3) carrying out secondary extrusion on the original non-woven fabric through a second roller set.
The non-woven fabric is processed by adopting a double-dipping process, the first dipping is used as pre-dipping, and the uniformity of gluing is controlled by the second dipping after the pre-dipping, so that the dipping quality is improved.
The S roller technology is applied to a double-dipping system, and the dipping efficiency of double dipping in high-speed production and the controllability of the S roller on the uniformity of the rolling residue rate are utilized to improve the quality of products.
The invention also provides a non-woven fabric preparation system which comprises the non-woven fabric rubber dipping device.
Example 1
As shown in fig. 1 to 3, the invention provides a non-woven fabric dipping device, which comprises a dipping tank 1, a first roller set and a second roller set, wherein the first roller set and the second roller set are arranged above the dipping tank 1;
the first roller set comprises a first roller 2 and a second roller 3 which are arranged in parallel, the second roller set comprises a third roller 5 and a fourth roller 6 which are arranged in parallel, and when the original non-woven fabric 4 passes through the space between the first roller 2 and the second roller 3 and the space between the third roller 5 and the fourth roller 6, the original non-woven fabric can be squeezed.
In the embodiment, the first roller 2 is arranged above the second roller 3, the third roller 5 is arranged above the fourth roller 6, and the second roller 3 and the fourth roller 6 are both steel rollers; the first roller 2 and the third roller 5 are both made of rubber.
Both ends of the first roller 2 are connected with a first oil pressure system in a driving way.
The second roller 3 is fixedly arranged, and when the device is opened, the first oil pressure system drives the first roller 2 to move to be attached to the second roller 3 in an extrusion mode.
The third roller 5 is an S roller, and comprises an inner roller and an outer roller 7 which is rotatably sleeved outside the inner roller, the inner part of the inner roller is divided into a low-pressure cavity 8 and a high-pressure cavity 9, and the low-pressure cavity 8 is positioned above the high-pressure cavity 9.
The low-pressure cavity 8 and the high-pressure cavity 9 are communicated with a second oil pressure system, and two ends of the outer roller 7 are in driving connection with the first oil pressure system.
The first oil pressure system comprises two pairs of oil cylinders, one pair of oil cylinders are connected to two ends of the first roller 2 in a driving mode, the other pair of oil cylinders are connected to two ends of an outer roller 7 of the third roller 5 in a driving mode, and therefore the third roller 5 is driven to move to the outer roller 7 of the third roller to be extruded and attached to a fixedly arranged fourth roller 6;
the third roller 5 is an S roller, when the device works for a long time and the surface of the outer roller 7 of the third roller 5 is abraded, the high-pressure cavity 9 extrudes the outer roller 7 by adjusting the pressure in the low-pressure cavity 8 and the high-pressure cavity 9, and further the difference between the height of the bottom surface of the middle part of the outer roller 7 and the height of the bottom surfaces of the two ends of the outer roller 7 is increased, namely the middle height is increased, so that the abrasion is compensated.
The first oil pressure system and the second oil pressure system are common oil pressure supply devices, and the structure and the principle are not described in detail.
And regulating valves are arranged at the communication positions of the low-pressure cavity 8 and the high-pressure cavity 9 and the second oil pressure system.
In this embodiment, the device further comprises a first guide roller 10 and a second guide roller 11, and the first guide roller 10 and the second guide roller 11 are both arranged in the glue dipping tank; a first guide roller 10 is provided upstream of the first roller set and a second guide roller 11 is provided between the first roller set and the second roller set.
The raw non-woven fabric 4 sequentially passes through a first guide roller 10, a first roller set, a second guide roller 11 and a second roller set.
The invention provides a non-woven fabric gum dipping method, which utilizes the non-woven fabric gum dipping device and comprises the following steps:
step 1), carrying out pre-impregnation on a non-woven fabric raw cloth 4 in an impregnation tank 1, and then carrying out primary extrusion through a first roller set;
step 2), carrying out secondary gum dipping on the non-woven fabric raw cloth 4 in the gum dipping tank 1;
and 3) carrying out secondary extrusion on the non-woven original cloth 4 through a second roller set.
Example 2
The invention provides a non-woven fabric preparation system, which comprises the non-woven fabric gum dipping device in embodiment 1.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (9)
1. A non-woven fabric dipping device is characterized by comprising a dipping tank (1) and a first roller set and a second roller set which are arranged above the dipping tank (1);
the first roller set comprises a first roller (2) and a second roller (3) which are arranged in parallel, the second roller set comprises a third roller (5) and a fourth roller (6) which are arranged in parallel, and when a non-woven fabric raw fabric penetrates through the first roller (2) and between the second roller (3) and between the third roller (5) and the fourth roller (6), the non-woven fabric raw fabric can be squeezed.
2. The nonwoven fabric impregnation apparatus according to claim 1, wherein the first roll (2) is arranged above the second roll (3), the third roll (5) is arranged above the fourth roll (6), and both the second roll (3) and the fourth roll (6) are steel rolls; the first roller (2) and the third roller (5) are both made of rubber.
3. The apparatus according to claim 2, characterized in that both ends of the first roll (2) are drivingly connected to a first hydraulic system.
4. The nonwoven fabric gumming device of claim 3, characterized in that the third roller (5) is an S-roller, comprising an inner roller and an outer roller (7) rotatably sleeved outside the inner roller, the inside of the inner roller is divided into a low pressure chamber (8) and a high pressure chamber (9), and the low pressure chamber (8) is located above the high pressure chamber (9).
5. The non-woven fabric gumming device according to claim 4, characterized in that both the low pressure chamber (8) and the high pressure chamber (9) are communicated with a second oil pressure system, and both ends of the outer roller (7) are in driving connection with the first oil pressure system.
6. The non-woven fabric gum dipping device according to claim 4, wherein the low pressure chamber (8) and the high pressure chamber (9) are provided with regulating valves at the communication part with the second oil pressure system.
7. The non-woven fabric dipping device according to claim 1, further comprising a first guide roller (10) and a second guide roller (11), wherein the first guide roller (10) and the second guide roller (11) are both arranged in the dipping tank (1);
the first guide roller (10) is arranged at the upstream of the first roller group, and the second guide roller (11) is arranged between the first roller group and the second roller group.
8. A method for impregnating a nonwoven fabric, characterized by using the nonwoven fabric impregnating apparatus according to any one of claims 1 to 7, the method comprising:
step 1), carrying out pre-impregnation on raw non-woven fabric in the impregnation tank (1), and then carrying out primary extrusion through the first roller set;
step 2), carrying out secondary gum dipping on the raw non-woven fabric in the gum dipping tank (1);
and 3) carrying out secondary extrusion on the raw non-woven fabric through the second roller group.
9. A nonwoven fabric preparation system comprising a nonwoven fabric preg-ping device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011322049.0A CN112604899A (en) | 2020-11-23 | 2020-11-23 | Non-woven fabric glue dipping device, method and preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011322049.0A CN112604899A (en) | 2020-11-23 | 2020-11-23 | Non-woven fabric glue dipping device, method and preparation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112604899A true CN112604899A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011322049.0A Pending CN112604899A (en) | 2020-11-23 | 2020-11-23 | Non-woven fabric glue dipping device, method and preparation system |
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| CN (1) | CN112604899A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114990789A (en) * | 2022-04-20 | 2022-09-02 | 巩义市泛锐熠辉复合材料有限公司 | Device and method for continuously preparing silicon dioxide gel felt |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Application publication date: 20210406 |