CN110561846A - Superfine fiber non-woven fabric and production method and lapping equipment thereof - Google Patents
Superfine fiber non-woven fabric and production method and lapping equipment thereof Download PDFInfo
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- CN110561846A CN110561846A CN201910956234.6A CN201910956234A CN110561846A CN 110561846 A CN110561846 A CN 110561846A CN 201910956234 A CN201910956234 A CN 201910956234A CN 110561846 A CN110561846 A CN 110561846A
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- web
- belt
- carding
- section
- lapping
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- 239000000835 fiber Substances 0.000 title claims abstract description 114
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000004744 fabric Substances 0.000 claims abstract description 62
- 238000009960 carding Methods 0.000 claims abstract description 46
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 34
- 229920001410 Microfiber Polymers 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 239000003658 microfiber Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001467 acupuncture Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 210000001520 comb Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The application relates to the field of superfine fiber non-woven fabrics, in particular to a superfine fiber non-woven fabric, a production method thereof and lapping equipment. The middle part of the superfine fiber non-woven fabric is compounded with the non-deformable mesh fabric to relieve the problem of unrecoverable deformation, the production method of the superfine fiber non-woven fabric is realized by using the lapping equipment and the needle machine, and the lapping equipment conveys the fiber web of the superfine fiber and the non-deformable mesh fabric to the needle machine for needling and winding into a whole after being superposed. The net laying equipment comprises a conveying belt, a first combing and laying device, a second combing and laying device and an unwinding device, wherein the first combing and laying device is used for forming a first fiber net, and the discharge end of the first combing and laying device is connected to the upstream of the conveying belt; the second carding and paving device is used for forming a second fiber web, and the discharge end of the second carding and paving device is connected to the downstream of the conveyor belt; unwinding device is used for exporting no deformation screen cloth, and unwinding device's discharge end sets up the midstream at the conveyer belt.
Description
Technical Field
The application relates to the field of superfine fiber non-woven fabrics, in particular to a superfine fiber non-woven fabric, a production method thereof and lapping equipment.
Background
In the production of the superfine fiber non-woven fabric, measures such as increasing the lapping thickness, improving the needling depth and needling density are usually adopted to enhance entanglement to improve the drafting resistance of the superfine fiber non-woven fabric so as to meet the requirements of long-term extrusion and small stretching deformation amount, but when the superfine fiber non-woven fabric is continuously stressed for a long time, the superfine fiber non-woven fabric still easily generates unrecoverable deformation.
Disclosure of Invention
The application aims to provide the superfine fiber non-woven fabric, the production method thereof and the lapping equipment so as to solve the problem that the superfine fiber non-woven fabric in the prior art is easy to generate unrecoverable deformation.
The embodiment of the application is realized as follows:
In a first aspect, an embodiment of the present application provides a lapping apparatus, which includes a conveyor belt, a first carding device, a second carding device, and an unwinding device, where the first carding device is used to form a first fiber web, and a discharge end of the first carding device is connected to an upstream of the conveyor belt; the second carding and paving device is used for forming a second fiber web, and the discharge end of the second carding and paving device is connected to the downstream of the conveyor belt; the unwinding device is used for outputting the mesh without deformation, and the discharge end of the unwinding device is arranged in the midstream of the conveyor belt.
The application provides a lapping equipment provides two sets of independent comb and paves the device and set up in two sets of combs unwinding device of paving between putting, makes two sets of comb and pave the discharge gate of device link up same conveyer belt, and the discharge gate of first comb and pave the device is located the upper reaches of conveyer belt, and the discharge gate of second comb and pave the device and be located the low reaches of conveyer belt to set up unwinding device between two discharge gates. The first carding and paving device combs and repeatedly paves the fiber raw materials to form a first fiber web, the second carding and paving device combs and repeatedly paves the fiber raw materials to form a second fiber web, and the first fiber web is output from a discharge port of the first carding and paving device, is flatly paved on the conveyor belt and continuously moves along with the conveyor belt; when the conveyor belt paved with the first fiber web moves to the position of the unwinding device, the unwinding device outputs the non-deformation mesh cloth to the conveyor belt and the non-deformation mesh cloth is flatly paved on the first fiber web; the conveying belt paved with the first fiber web and the non-deformation mesh cloth continuously moves along the conveying direction, and when the conveying belt moves to the position where the second carding and paving device is located, the second fiber web is output to the conveying belt from the discharge port of the second carding and paving device and is paved on the non-deformation mesh cloth; and finally, conveying the three layers of superposed non-deformation mesh cloth to downstream equipment by using a conveying belt to enter a needling procedure. The application provides a lapping equipment is used for forming the middle part and presss from both sides the three-layer no deformation screen cloth that is equipped with no deformation screen cloth, and the three-layer no deformation screen cloth can form the no deformation screen cloth that anti draft effect is good after the acupuncture is tangled, alleviates the problem that current superfine fiber non-woven fabrics produced the deformation that can not resume easily.
In addition, the first combing and laying equipment and the second combing and laying equipment are respectively combed and laid, the specifications of the formed first fiber web and the second fiber web can be respectively set, and the specification of the superfine fiber non-woven fabric and the position of the non-deformable mesh fabric in the superfine fiber non-woven fabric can be conveniently adjusted.
In an embodiment of this application, optionally, unwinding device includes the mounting bracket and set up in the material of mounting bracket is rolled up, is carried the padder, is rectified the ware, the mounting bracket erects in the conveyer belt top, carry the padder for it is close to roll up the material the second comb spreads the device, roll up the material with mounting bracket sliding connection, the rectifying ware is used for the drive it follows to roll up the material the conveyer belt width direction removes so that no deformation screen cloth with first fibre web aligns.
Erect the mounting bracket in the conveyer belt top through the setting, and install material book, transport padder and the rectification ware on the mounting bracket, carry the padder to make the non-deformation screen cloth of rolling up at the uniform velocity export to the conveyer belt, the rectification ware makes the non-deformation screen cloth to flushing spread on first fibre, prevents non-deformation screen cloth turn-up or unevenness, improves the tiling effect of non-deformation screen cloth.
In an embodiment of this application, optionally, the deviation rectifier includes detector, hydraulic pressure station and hydro-cylinder, the detector is used for surveying the edge of no deformation screen cloth, the hydro-cylinder with hydraulic pressure station connects, the hydro-cylinder with the material roll transmission is connected.
The edge of the non-deformation mesh cloth is detected through the detector, whether the non-deformation mesh cloth is aligned with the first fiber web or not can be known, and if the non-deformation mesh cloth is not aligned, the oil cylinder can drive the material roll to move in the width direction of the conveyor belt so that the non-deformation mesh cloth is aligned with the first fiber web.
In an embodiment of the present application, optionally, the transport padder includes a driving roller, a driven roller, and an air cylinder, the air cylinder is in transmission connection with the driven roller, and the air cylinder is used for driving the driven roller to approach or leave from the driving roller.
The driven roller in transmission connection with the air cylinder is arranged on the conveying padder, so that the driven roller can be close to the driving roller to compress the deformation-free mesh fabric; or the driven roller is far away from the driving roller so as to conveniently replace the new non-deformation mesh cloth and arrange the non-deformation mesh cloth between the two rollers.
In an embodiment of the present application, optionally, an operation platform capable of being used by a person is formed around the mounting frame.
Through the operating platform who can go to people that forms around the mounting bracket, make things convenient for the workman to change the material book on operating platform, carry the padder with the end feeding of the non-deformation screen cloth on the new material book.
In an embodiment of the application, optionally, a discharge end of the first carding device is provided with a first output belt, a discharge end of the second carding device is provided with a second output belt, and the first output belt, the second output belt and the conveyor belt are conveyed in the same direction.
Through setting up first output area and linking up the discharge end and the conveyer belt of first comb spread device, set up the discharge end and the conveyer belt that the second output area linked up the second comb spread device, first fibre web obtains on first output belt with the equidirectional speed with the conveyer belt equidirectional and the same size, the second fibre web obtains on the second output belt with the equidirectional speed with the conveyer belt equidirectional and the size, thereby make first fibre web, the steady conveyer belt that gets into of second fibre web, so that first fibre web tiling on the conveyer belt does not have the fold, reduce the initial frictional force between second fibre web and the no deformation screen cloth, so that the second fibre web tiling does not have the fold on no screen cloth deformation.
In one embodiment of the present application, each output belt optionally includes a first segment and a second segment, the second segment being rotatable relative to the first segment.
Through setting up the output belt into first section and second section, the fibre web that the discharge gate came out is accepted to first section to export to the second section, the second section is exported the fibre web to the conveyer belt, rotates the second section and can adjusts the second section inclination, so that adjust the inclination of second section according to the dead weight of fibre web, frictional force between fibre web and output belt or the conveyer belt, frictional force between fibre web and the no deformation screen cloth, so that the fibre web steadily exports to the conveyer belt.
In an embodiment of the application, optionally, the lapping device comprises a lifting mechanism, the end of the first section remote from the second section is rotatably arranged on the corresponding carding device, and the end of the first section close to the second section is rotatably arranged on the lifting mechanism.
When the inclination angle of the second section is adjusted, the height of the tail end of the second section relative to the conveying belt can be changed, in order to reduce the free falling distance of the fiber web, the lifting mechanism adjusts the height of one end, close to the second section, of the first section so as to lift the connection position of the first section and the second section, therefore, when the inclination angle of the second section is adjusted, the height of the tail end of the second section relative to the conveying belt can be kept consistent, the effect of reducing the free falling distance of the fiber web is achieved, and the whole process of outputting the fiber web to the conveying belt is reliable.
In a second aspect, the present application provides a method for producing an ultrafine fiber nonwoven fabric, which utilizes the aforementioned lapping device and needle punch to produce an ultrafine fiber nonwoven fabric; starting a first carding and paving device to form a first fiber web, wherein the first fiber web is output to the conveying belt from the discharge end of the first carding and paving device, starting a conveying padder to draw the non-deformation mesh cloth to the conveying belt at a constant speed and lay the non-deformation mesh cloth on the first fiber web, starting a second carding and paving device to form a second fiber web, and the second fiber web is output to the conveying belt from the discharge end of the first carding and paving device and is laid on the non-deformation mesh cloth; the conveying belt conveys the first fiber web, the deformation-free screen cloth and the second fiber web which are sequentially overlapped to a needling machine for needling reinforcement.
The application provides a superfine fiber non-woven fabric's production method, utilize aforementioned lapping equipment, two comb pave to put respectively comb and spread processing fiber raw materials and form first fibre web and second fibre web, and lay first fibre web, no deformation screen cloth and second fibre web according to the assembly line that the conveyer belt formed in proper order, carry out the acupuncture with the three-layer screen cloth after the stack at last and consolidate, form the effectual no deformation screen cloth of anti draft after the acupuncture is tangled, alleviate the problem of the deformation that current superfine fiber non-woven fabric produced unrecoverable easily. In the production method of the superfine fiber non-woven fabric, the specifications of the first fiber web and the second fiber web can be respectively set, so that the specification of the superfine fiber non-woven fabric and the position of the non-deformable mesh fabric in the superfine fiber non-woven fabric can be conveniently adjusted.
The application provides a production method can form the superfine fiber non-woven fabrics that is difficult to deformation fast, and the specification of superfine fiber non-woven fabrics can be adjusted as required.
In a third aspect, the present disclosure provides a microfiber nonwoven fabric manufactured by the above method for manufacturing a microfiber nonwoven fabric.
The application provides a superfine fiber non-woven fabrics is difficult to the characteristics of deformation, alleviates the problem of the deformation that superfine fiber non-woven fabrics among the prior art takes place unrecoverable easily.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic top view of a lapping apparatus provided in an embodiment of the present application;
3 FIG. 3 2 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
FIG. 3 is an enlarged view of the unrolling device in FIG. 1;
FIG. 4 is an enlarged view of the unrolling device in FIG. 2;
Fig. 5 is a schematic structural diagram of an ultrafine fiber nonwoven fabric provided in an embodiment of the present application.
Icon: 10-a lapping device; 100-a first carding machine; 200-a first lapper; 210-a first output ribbon; 211-a first segment of a first output ribbon; 212-a second segment of the first output ribbon; 300-a second carding machine; 400-a second lapper; 410-a second output ribbon; 411 — first segment of second output ribbon; 412-a second segment of a second output ribbon; 500, an unwinding device; 510-transport padder; 511-drive roll; 512-driven rollers; 513-a reduction motor; 514-cylinder; 520-old material roll; 530-new material roll; 540-a detector; 550-oil cylinder; 560-a hydraulic station; 570-a mount; 580-a platform; 600-a conveyor belt; 610-upstream; 620-midstream; 630-downstream; 20-superfine fiber non-woven fabric; 700-a first web; 800-no deformation net cloth; 900-second web.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion 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 application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Examples
The conventional superfine fiber non-woven fabric is a three-dimensional network structure formed by mutually intertwining superfine fibers, and the conventional superfine fiber non-woven fabric generally adopts the means of increasing the thickness and density of a lapping layer or improving the needling depth and the needling density to improve the drafting resistance so as to meet the requirement of small deformation amount under long-term extrusion and stretching, but the conventional superfine fiber non-woven fabric is still easy to generate unrecoverable deformation.
The embodiment of the application provides an ultrafine fiber non-woven fabric 20, and a lapping device 10 and a production method for producing the ultrafine fiber non-woven fabric 20.
This superfine fiber non-woven fabrics 20 has compounded no deformation screen cloth 800 in the middle of conventional superfine fiber non-woven fabrics 20, utilizes no deformation screen cloth 800 to improve the ability that superfine fiber non-woven fabrics 20 anti draft warp, alleviates among the prior art superfine fiber non-woven fabrics 20 and produces the problem of the deformation that can not resume easily.
As shown in FIG. 5, the microfiber nonwoven fabric 20 comprises a three-part, non-deformable web 800, and an upper first web 700 and a lower second web 900. The non-deformable mesh fabric 800 is generally woven from polyester or nylon fibers and has a grid of holes.
The apparatus for producing the ultrafine fiber nonwoven fabric 20 includes a web laying apparatus 10 and a needle punch. The lapping device 10 is used for stacking the three parts, and the needle machine is used for needling and winding the stacked three-layer mesh cloth into a whole.
The structure of the lapping device 10 is shown in fig. 1 and 2, and comprises a conveyor belt 600, a first combing and laying device, a second combing and laying device and an unwinding device 500. The discharge end of the first carding device is connected to the upstream 610 of the conveyor belt 600, the discharge end of the second carding device is connected to the downstream 630 of the conveyor belt 600, and the discharge end of the unwinding device 500 is arranged at the midstream 620 of the conveyor belt 600.
Wherein the first carding device comprises a first carding machine 100 and a first lapping machine 200, the first carding device is used for forming a first fiber web 700, and the forming principle of the first fiber web 700 is the prior art. The first carding machine 100 is used for carding the microfiber, adjusting the microfiber to be in a single fiber state, and forming a preliminary web structure through a disordering device and a stripping device inside the microfiber, wherein the preliminary web structure is stripped and conveyed to the inside of the first lapping machine 200 to be lapped in a reciprocating manner to form a required first web 700. It is noted that the construction of the carding machine is conventional and commercially available, wherein the scrambling device and stripping device are not described in this application but will be understood by those skilled in the art.
Wherein the second carding device comprises a second carding machine 300 and a second lapping machine 400, the second carding device is used for forming a second fiber web 900, and the forming principle of the second fiber web 900 is the same as that of the first fiber web 700.
The discharge end of the first carding device is the discharge outlet of the first lapper 200, and the discharge end of the second carding device is the discharge outlet of the second lapper 400.
The discharge port of the first lapper 200 is provided with a first output belt 210, the first output belt 210 is connected to the conveyor belt 600, as shown in fig. 2, the output end of the first output belt 210 is located above the conveyor belt 600 and spaced from the conveyor belt 600. The first conveyor belt has the same feeding direction as the conveyor belt 600, and is fed from the right to the left as shown in fig. 1 and 2.
The first conveyor belt includes a first section mounted to the body of the first lapper 200 for receiving the preliminary web structure to be laid back and forth to form the first web 700 and a second section spliced to the end of the first section to output the first web 700. Wherein, the first section is rotationally connected to the machine body and connected with a lifting mechanism (not shown in the figure), the second section is rotationally connected to the machine body, and the second section is driven to rotate by a motor (not shown in the figure) so as to change the inclination angle during output.
The discharge port of the second lapper 400 is provided with a second output belt 410, the second output belt 410 is connected with the conveyor belt 600, as shown in fig. 2, the output end of the second output belt 410 is located above the conveyor belt 600 and spaced from the conveyor belt 600. The second conveyor belt has the same output direction as the conveyor belt 600, and outputs from the right to the left as shown in fig. 1 and 2.
the second conveyor belt includes a first section mounted to the body of the second lapper 400 for receiving the preliminary web structure for reciprocal layup to form the second web 900 and a second section spliced to the end of the first section for outputting the second web 900. Wherein, one end of the first section is rotatably connected to the machine body, the other end is connected with a lifting mechanism (not shown in the figure), the second section is rotatably connected to the lifting mechanism, and the second section is driven by a motor (not shown in the figure) to rotate so as to change the inclination angle during output.
The first output ribbon 210 and the second output ribbon 410 are adjusted on the same principle.
The purpose of adjusting the output inclination angle of the second section is to ensure that the fiber web on the conveying belt is uniformly conveyed, whether the fiber web can be uniformly conveyed is related to the self weight of the fiber web, the friction force between the fiber web and the output belt or the conveying belt 600 and the friction force between the fiber web and the non-deformation mesh cloth 800, and the inclination angle of the second section is adjusted to adjust the three forces so as to prevent the fiber web from being wrinkled and uneven.
When the inclination of the second segment is adjusted, the height of the end of the second segment relative to the conveyor 600 changes, and when the inclination of the second segment is smaller, i.e., the second segment is relatively more gradual, or relatively more parallel to the conveyor 600, the end of the second segment is raised relatively farther from the upper surface of the conveyor 600, and the distance that the web falls increases, i.e., the distance that the web is uncontrollably removed during the feeding process increases, which tends to result in uneven laying or deviation from the intended position.
Therefore, the inventor sets the first section to be connected with the machine body in a rotating mode at one end, and connects the connection position of the first section and the second section with the lifting mechanism, and even if the tail end of the first section is connected with the lifting mechanism in a rotating mode, the second section is connected with the lifting mechanism in a rotating mode. After the inclination angle of the second section is reduced, the lifting mechanism drives the connection position of the first section and the second section to descend, so that the tail end of the second section is close to the conveyor belt 600, the distance of uncontrolled free falling of the fiber web is reduced, the output process of the fiber web is reliable, and the fiber web is laid uniformly without deviation.
After receiving the first fiber web 700, the conveyor belt 600 carries the first fiber web 700 to continue moving forward through the unwinding device 500, and the non-deformable mesh fabric 800 is output by the unwinding device 500 and is flatly laid on the first fiber web 700; the conveyor 600 then continues forward with the first web 700 and the non-texturized web 800 past the end of the second section 412 of the second output belt where it receives the second web 900, completing the three-part stack.
The unwinding device 500 is disposed between the first and second lappers 200 and 400, as shown in fig. 3 and 4, and includes a mounting bracket 570, a material roll mounted on the mounting bracket 570, a transport padder 510, and a deviation corrector.
the mounting rack 570 is erected above the conveyor 600, the mounting rack 570 is in a rectangular frame structure, and the left side and the right side of the mounting rack 570 are parallel to the conveyor 600.
The non-deformable web 800 is wound onto a cartridge to form a roll. The rotational axis of the roll, that is, both ends of the cartridge, are mounted to the left and right sides of the mounting frame 570, and the roll is movably mounted to the mounting frame 570. So that the roll can not only rotate around its own rotation axis but also move left and right with respect to the mounting frame 570.
the delivery padder 510 is positioned adjacent to the second lapper 400 relative to the web roll to facilitate the right-to-left pulling of the non-texturized web 800. The conveying padder 510 comprises a body, wherein a driving roller 511, a driven roller 512, an air cylinder 514 and a speed reducing motor 513 are arranged on the body, the speed reducing motor 513 is in transmission connection with the driving roller 511 to drive the driving roller 511 to rotate, and the air cylinder 514 is in transmission connection with the driven roller 512 to drive the driven roller 512 to be close to or far away from the driving roller 511. When the air cylinder 514 drives the driven roller 512 to approach the driving roller 511, the driving roller 511 and the driven roller 512 press the non-deformed mesh fabric 800, and the speed reduction motor 513 drives the driving roller 511 to rotate to pull the non-deformed mesh fabric 800, so that the non-deformed mesh fabric 800 is pulled out from the roll and put down to the conveyor belt 600.
The driven roller 512 may be attached to the body in a manner such that: the body is provided with a sliding groove, a sliding block capable of moving along the sliding groove is arranged in the sliding groove, a bearing seat is arranged on the sliding block, the end part of the driven roller 512 is installed on the bearing seat, and the air cylinder 514 is connected with the sliding block. The air cylinder 514 drives the sliding block to move along the sliding groove so as to drive the driven roller 512 to lift.
The rectifier includes a sonde 540, a ram 550 and a hydraulic station 560. The deviation rectifier is used to drive the rolls across the width of the belt 600 to align the non-texturized web 800 with the first web 700.
The sensing end of the sensor 540 is positioned adjacent to the drive roller 511 to detect the position of the non-deformed web 800 exiting between the drive roller 511 and the driven roller 512 onto the conveyor belt 600. The sensors 540 can be of various types, as long as they can detect whether the edge of the non-deformed web 800 coincides with the first web 700.
When the edge of the non-deformed web 800 is misaligned with the first web 700, the hydraulic station 560 is actuated to move the roll left or right via the cylinder 550 to align the non-deformed web 800 with the first web 700.
In order to facilitate the roll replacement, an operation platform 580 is formed around the mounting frame 570, the operation platform 580 is formed on the whole rectangular frame structure, and a worker can stand on the operation platform 580 for work, such as roll replacement, observation of the position of the non-deformed mesh fabric 800, adjustment of the left and right positions of the roll, operation of the driven roller 512 away from or close to the driving roller 511, and the like.
In order to realize quick replacement when the material rolls are used up and reduce the pause time of the equipment, two material rolls are arranged on the mounting frame 570, after the non-deformation mesh fabric 800 on one material roll is placed, the equipment is paused, the driving roller 511 is paused, the driven roller 512 is opened, the end head of the non-deformation mesh fabric 800 on the other material roll is pulled out and fed between the driving roller 511 and the driven roller 512, the driven roller 512 is closed, the driving roller 511 is opened, and the equipment is opened to continue lapping.
To further facilitate the taking and placing of the rolls, the two rolls are rotatably mounted on the turret such that the turret shaft is mounted on a bearing block and connected to a motor, the bearing block being drivingly connected to the cylinder 550. The old roll is in a position near the transport padder 510 and the new roll 530 is in a position away from the transport padder 510. After the non-deformed mesh cloth 800 on the old material roll 520 is discharged, the motor drives the turret to rotate to exchange the position of the new material roll 520, so that the new material roll 530 approaches the conveying padder 510 to continue discharging, and when the new material roll 530 is discharged, a worker can stand on the operating platform 580 to replace the old material roll 520.
In order to realize the material roll replacement without stopping, before the old material roll 520 is just put away, the motor drives the turret to rotate to exchange the position of the new and old material roll 520, glue is coated on the new material roll 530, the non-deformation mesh fabric 800 on the old material roll 520 is stuck on the new material roll 530, and then the non-deformation mesh fabric 800 on the old material roll 520 is cut off, so that the material roll replacement without stopping is realized.
The present application provides a method for producing a microfiber nonwoven fabric 20, which uses the aforementioned web laying apparatus 10 and needle punching machine to produce the aforementioned composite microfiber nonwoven fabric 20.
First, the conveyor belt 600, the first carding and spreading device, the unwinding device 500, the second carding and spreading device, and the needle loom are sequentially started.
The microfibers are carded and mixed in the first carding machine 100 to form a preliminary web structure that is stripped off and fed into the first lapper 200 and back and forth on the first section 211 of the first output belt to form a first web 700. The first segment 211 of the first output belt conveys the first web 700 to the second segment, and the first web 700 is then output by the second segment 212 of the first output belt to a location upstream 610 of the conveyor belt 600.
As the first web 700 is transported by the conveyor 600 to the midstream 620 position, the non-texturized web 800 is pulled from the roll by the delivery padder 510 and laid flat on top of the first web 700.
The superimposed first web 700, non-texturized web 800 is then conveyed by the conveyor 600 to the end position of the second segment 412 of the second output belt. The second web 900 is formed in the same manner as the first web 700. A second web 900 is formed on the first section 411 of the second output belt and is delivered by the second section 412 of the second output belt to lay flat on the non-texturized web 800.
The upstream 610 and the midstream 620 of the conveyor 600 are horizontal, and the downstream 630 smoothly conveys the stacked web upward to the inlet of the needling machine for needling reinforcement to wind the stacked three portions into the integrated microfiber nonwoven 20.
the thickness of the first web 700 may be set as desired by the first carding machine 100 and the first lapper 200, and as is known in the art, it will be understood by those skilled in the art that the thickness will not be described in detail herein. For example: the number of layers of the first web 700 includes, but is not limited to, 5 to 30 layers, optionally, 15 layers in this embodiment; the first web 700 has an average grammage including, but not limited to, 100 to 800g/m2, and optionally 400g/m2 in this embodiment.
The process parameters of the second web 900 may be the same as those of the first web 700, so that the non-deformable mesh fabric 800 is located in the middle of the microfiber non-woven fabric 20; the second process parameter may not be the same as the first web 700, such that the non-deformable mesh fabric 800 is located at the upper position or the lower position of the microfiber nonwoven fabric 20.
the mesh number of the holes of the non-deformable mesh fabric 800 selected in the embodiment of the present application is 50 to 200 meshes, and the basis weight is 20 to 100g/m 2.
The needling density of the needling machine in the embodiment of the application includes but is not limited to 800-2000 punches/m 2, and in the embodiment, 1500 punches/m 2.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The net laying equipment is characterized by comprising a conveyor belt, a first combing and laying device, a second combing and laying device and an unreeling device, wherein the first combing and laying device is used for forming a first fiber net, and the discharge end of the first combing and laying device is connected to the upstream of the conveyor belt; the second carding and paving device is used for forming a second fiber web, and the discharge end of the second carding and paving device is connected to the downstream of the conveyor belt; the unwinding device is used for outputting the mesh without deformation, and the discharge end of the unwinding device is arranged in the midstream of the conveyor belt.
2. The lapping apparatus of claim 1, wherein the unwinding device comprises a mounting frame, and a material roll, a conveying padder and a deviation corrector arranged on the mounting frame, the mounting frame is erected above the conveyor belt, the conveying padder is close to the second carding device relative to the material roll, the material roll is slidably connected with the mounting frame, and the deviation corrector is used for driving the material roll to move along the width direction of the conveyor belt so as to align the non-deformable mesh fabric with the first fiber web.
3. Lapping equipment as claimed in claim 2, wherein the deviation rectifier comprises a detector for detecting the edge of the non-deformed web, a hydraulic station and an oil cylinder, the oil cylinder being connected to the hydraulic station and to the material roll.
4. A lapping device as claimed in claim 3, wherein the transport padder comprises a drive roll, a driven roll and an air cylinder, the air cylinder being in driving connection with the driven roll, the air cylinder being adapted to drive the driven roll towards or away from the drive roll.
5. A lapping device as claimed in claim 2, wherein the mounting frame is formed with a man accessible operating platform around its periphery.
6. Lapping equipment as claimed in claim 1, wherein the discharge end of the first combing and laying device is provided with a first output belt, the discharge end of the second combing and laying device is provided with a second output belt, and the first output belt, the second output belt and the conveyor belt are conveyed in the same direction.
7. A lapping device as claimed in claim 6, wherein each output belt comprises a first section and a second section, the second section being rotatable relative to the first section.
8. A lapping device as claimed in claim 7, characterized in that the lapping device comprises a lifting mechanism, the end of the first section remote from the second section being rotatably arranged in a respective combing means, the end of the first section near the second section being rotatably mounted to the lifting mechanism.
9. A method for producing an ultrafine fiber nonwoven fabric, characterized in that the ultrafine fiber nonwoven fabric is produced by using the lapping apparatus and the needle punch according to any one of claims 1 to 8;
Starting a first carding and paving device to form a first fiber web, wherein the first fiber web is output to the conveying belt from the discharge end of the first carding and paving device, starting a conveying padder to draw the non-deformation mesh cloth to the conveying belt at a constant speed and lay the non-deformation mesh cloth on the first fiber web, starting a second carding and paving device to form a second fiber web, and the second fiber web is output to the conveying belt from the discharge end of the first carding and paving device and is laid on the non-deformation mesh cloth; the conveying belt conveys the first fiber web, the deformation-free screen cloth and the second fiber web which are sequentially overlapped to a needling machine for needling reinforcement.
10. An ultrafine fiber nonwoven fabric produced by the method for producing an ultrafine fiber nonwoven fabric according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910956234.6A CN110561846A (en) | 2019-10-08 | 2019-10-08 | Superfine fiber non-woven fabric and production method and lapping equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910956234.6A CN110561846A (en) | 2019-10-08 | 2019-10-08 | Superfine fiber non-woven fabric and production method and lapping equipment thereof |
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| CN110561846A true CN110561846A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910956234.6A Pending CN110561846A (en) | 2019-10-08 | 2019-10-08 | Superfine fiber non-woven fabric and production method and lapping equipment thereof |
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