阅读说明：本技术 超细纤维无纺布及其生产方法和铺网设备 (Superfine fiber non-woven fabric and production method and lapping equipment thereof ) 是由 王乐智 王晓磊 马金美 孙建林 李正奇 于 2019-10-08 设计创作，主要内容包括：本申请涉及超细纤维无纺布领域,具体而言,涉及一种超细纤维无纺布及其生产方法和铺网设备。该超细纤维无纺布中部复合有无形变网布,以缓解容易产生不可恢复的变形的问题,该超细纤维无纺布的生产方法利用前述的铺网设备和针刺机来实现,铺网设备将超细纤维的纤网与无形变网布叠加后输送至针刺机针刺缠绕为一体。铺网设备包括传送带、第一梳铺装置、第二梳铺装置和放卷装置,第一梳铺装置用于形成第一纤网,第一梳铺装置的出料端连接于传送带的上游；第二梳铺装置用于形成第二纤网,第二梳铺装置的出料端连接于传送带的下游；放卷装置用于输出无形变网布,放卷装置的出料端设置在传送带的中游。(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.)

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.

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.