CN111304832A - Spunbonded nonwoven production line with adjustable spinning box angle - Google Patents

Abstract

The invention discloses a spunbonded nonwoven production line with an adjustable spinning box angle, which comprises a spinning assembly and a web former, wherein the spinning assembly comprises a feeder, a screw extruder, an leftover material returning device, a filter, a spinning box, a cold air box, a drafting device and a diffuser; the invention can adjust the breadth of the product and effectively improve the uniformity and the coverage of the product.

Description

A spunbond nonwoven production line with adjustable spinning box angle

technical field

The invention relates to the technical field of non-woven fabric weaving, in particular to a spunbond non-woven fabric production line with an adjustable spinning box angle.

Background technique

Non-woven fabric is a kind of fabric that does not require spinning or weaving, but only by orienting or randomly arranging textile staple fibers or filaments to form a web structure, and then reinforced by mechanical, thermal bonding or chemical methods. Non-woven fabric is a new type of fiber product with soft, breathable and flat structure formed directly by high polymer chips, short fibers or filaments through various web forming methods and consolidation technologies. Its production process is short and the production speed is fast. , high output, low cost, wide use, and many sources of raw materials.

The two commonly used processes in the manufacture of nonwovens are spunbond and spunlace. Although these two methods can produce nonwovens, they both have certain defects. The nonwovens produced by spunbond feel It is hard and has poor water absorption; while the non-woven fabric produced by the spunlace method has poor strength and high cost. With the continuous development of the market, people's demand and quality requirements for non-woven fabrics are getting higher and higher. The above two methods The non-woven fabrics produced can no longer meet people's needs.

In order to solve the above technical problems, the Chinese patent application number 201320123973.5 is a composite non-woven fabric production line. This patent is to install two fiber web production equipment, and install a cloth guide roll between the two fiber web production equipment, which is convenient for many Production of ply nonwoven fabrics, each web production equipment includes feed hopper, extruder, screw extruder, spinning box, side blower, air drafter, nip roll and underwire suction fan, plus Spunlace machines, ovens and hot rolling mills can improve the production efficiency of fabrics and improve the quality of fabrics; however, due to the manufacturing process of the spunlace method itself, the non-woven fabrics produced have certain defects, such as hard hand feeling and poor water absorption. ; And this patent only combines two sets of front-end equipment to produce non-woven fabrics, although the production volume is improved, but there is a disadvantage that the equipment occupies a large space.

Therefore, in order to obtain more reasonable product performance and higher cost performance, and improve production efficiency, the present invention provides a spunbond non-woven fabric production line with an adjustable spinning box angle.

SUMMARY OF THE INVENTION

In view of the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a spunbond non-woven fabric production line with an adjustable spinning box angle. The present invention is achieved through the following technical solutions.

A spunbond non-woven fabric production line with an adjustable spinning box angle includes a spinning assembly and a web forming machine, wherein the spinning assembly includes a feeder, a screw extruder, a leftover material returning device, a filter, a spinning Silk box, cold air box, drafting device, diffuser, the installation angle between the spinning assembly and the web forming machine is adjusted by an angle adjustment device, and the angle adjustment device is installed on the spinning device through a connecting block. on the component.

Specifically, the feeder, screw extruder, leftover material returning device and filter are installed on the third floor of the production workshop. The feeder can automatically inhale the raw materials and mix them in a certain proportion; the raw materials are melted at a high temperature by the screw extruder to make the raw materials into a molten state; the leftover material returning device is connected with the screw extruder The leftover material enters the screw extruder through the leftover material returning device and is melted together with the raw material at high temperature, and the leftover material is recycled and reused; the raw material after being melted at high temperature by the screw extruder enters the spinning box through the filter. The filter is also connected with a metering pump, and the spinning pressure is controlled by the metering pump.

The upper part of the cold air box is communicated with the spinning box, and the lower part is communicated with the drafting device. It is located on the second floor of the production workshop. The cold air box is mainly used to cool the melt and provide the drafting device. The wind energy makes the filaments stretch; a diffuser is connected under the drafting device, and the diffuser reduces the speed of the filaments and the wind to spread and facilitates the web, and the web forming machine accepts the filaments to form a web.

Preferably, the adjustment range of the angle between the spinning assembly and the web forming machine is 0°-45°; the specific angle between the spinning assembly and the web forming machine is determined according to actual production requirements and site.

Preferably, the angle adjustment device includes a first angle adjustment device and a second angle adjustment device, the first angle adjustment device and the second angle adjustment device each include a bottom plate and an upper cover plate, and the upper cover plate and the bottom plate respectively A groove is provided, a plurality of balls are arranged in the groove, and square holes are provided on the upper cover plate and the bottom plate.

Preferably, the connection block includes a first connection block and a second connection block; the spinning box is mounted on the first angle adjustment device through the first connection block; the drafting device is installed through the second connection block The connecting block is mounted on the second angle adjusting device. The first connecting block and the second connecting block are respectively welded on the spinning box and the drafting device, and there are fixing means for fixing on the first connecting block and the second connecting block. Holes for bolts.

Preferably, the first angle adjustment device is fixed on the third floor through the bottom plate, and the spinning box passes through the square hole of the first angle adjustment device and is installed on the third floor through the first connection block. On an angle adjusting device; the upper part of the spinning box is located on the third floor of the workshop through the square hole of the first angle adjusting device.

Preferably, the second angle adjusting device is fixed on the second floor through the bottom plate, and the drafting device passes through the square hole of the second angle adjusting device and is installed on the second floor through the second connecting block on the angle adjustment device.

Preferably, the first angle adjustment device and the second angle adjustment device rotate synchronously.

Preferably, a handle is also welded on the top of the upper cover; the handle is mainly used to manually rotate the angle adjustment device.

Preferably, the angle adjustment device is driven by electricity.

Compared with the prior art, the beneficial effects of the present invention are:

1. The maximum width of the product can be adjusted, which can greatly improve the strength ratio of the product in the MD/CD direction. This production line can reach 1:1:1;

2. In the present invention, the spinning assembly and the center line of the web forming machine are at 45°, which can greatly improve the production capacity. Under the condition of the same width, the length of the spinneret can be increased by 40%;

4. In the present invention, the spinning assembly and the center line of the web forming machine are at 45°. When the spinneret hole density and the single hole extrusion volume are the same, the output can be increased by 40%, which effectively improves the product uniformity and coverage.

Description of drawings

FIG. 1 is a front view of Embodiment 1. FIG.

FIG. 2 is an enlarged view of A in FIG. 1 .

FIG. 3 is a top view of FIG. 1 .

FIG. 4 is an enlarged view of B in FIG. 3 .

FIG. 5 is a schematic structural diagram of the first angle adjustment device and the second angle adjustment device.

FIG. 6 is a C-C cross-sectional view of FIG. 5 .

FIG. 7 is an enlarged view of D in FIG. 6 .

In the figure: 1. Web forming machine; 2. Feeder; 3. Screw extruder; 4. Leftover material returning device; 5. Filter; 6. Spinning box; 7. Cold air box; 8. Drafting device; 9, diffuser; 10, first angle adjustment device; 11, second angle adjustment device; 12, third floor slab; 13, second floor slab; 101, bottom plate; 102, upper cover plate; 103, groove; 104, ball; 105, square hole; 106, handle; 201, first connecting block; 202, second connecting block.

Detailed ways

The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

Example 1

As shown in Figures 1-7, a spunbond nonwoven fabric production line with an adjustable spinning box angle includes a spinning assembly, a web forming machine 1, and the spinning assembly includes a feeder 2, a screw extruder 3. Leftover material returning device 4, filter 5, spinning box 6, cold air box 7, drafting device 8, diffuser 9, the installation angle between the spinning assembly and the web forming machine 1 is through the angle The adjustment device is adjusted, and the angle adjustment device is installed on the spinning assembly through a connecting block; in this embodiment, the spinning assembly is divided into two groups.

The angle between the spinning pack and the web former was 45°.

In actual use of the spunbond nonwoven production line, the components in the production line are located on the first, second and third floors. The feeder 2, the screw extruder 3, the leftover material returning device 4 and the filter 5 are installed on the third floor of the production workshop. The feeder 2 can automatically inhale the raw materials and mix them in a certain proportion; the raw materials are melted at high temperature by the screw extruder 3 to make the raw materials into a molten state; the leftover material returning device 4 and the screw extruder are used. The press 3 is connected, and the leftover material enters the screw extruder 3 through the leftover material returning device 4 and is melted at high temperature together with the raw material, and the leftover material is recycled and reused; the raw material after the high temperature melting of the screw extruder 3 passes through the filter. The filter 5 enters the spinning box 6, and a metering pump is also connected to the filter 5, and the spinning pressure is controlled by the metering pump.

The upper part of the cold air box 7 is communicated with the spinning box 6, and the lower part is communicated with the drafting device 8. It is located on the second floor of the production workshop. The cold air box 7 is mainly used for cooling the melt and for the The drafting device 8 provides wind energy to stretch the thread; the lower end of the drafting device 8 is connected with a diffuser 9, and the diffuser 9 reduces the speed of the thread and the wind to spread and facilitate the meshing, and the web forming machine 1 accepts the thread Strip into a network.

The angle adjustment device includes a first angle adjustment device 10 and a second angle adjustment device 11. The first angle adjustment device 10 and the second angle adjustment device 11 each include a bottom plate 101 and an upper cover plate 102. The upper cover plate 102 and the bottom plate 101 are respectively provided with grooves 103, the grooves 103 are provided with 36 balls 104, the upper cover plate 102 and the bottom plate 101 are provided with square holes 105, and the upper cover plate 102 passes through the holes 105. The balls 104 roll in the grooves 103 to achieve rotation on the bottom plate 101 so as to adjust the angle between the spinning assembly and the web forming machine 1 .

The connecting block includes a first connecting block 201 and a second connecting block 202; the spinning box 6 is installed on the first angle adjusting device 10 through the first connecting block 201; the drafting device 8 It is mounted on the second angle adjusting device 11 through the second connecting block 202 . The first angle adjusting device 10 is fixed on the third floor floor 12 through the bottom plate 101 , and the spinning box 6 passes through the square hole 105 on the first angle adjusting device 10 and passes through the first connecting block 201 Installed on the first angle adjustment device 10 .

The second angle adjusting device 11 is fixed on the second floor slab 13 through the bottom plate 101 , and the drafting device 8 passes through the square hole 105 on the second angle adjusting device 11 and is installed through the second connecting block 202 on the second angle adjustment device 11 .

The first angle adjusting device 10 rotates synchronously with the second angle adjusting device 11 .

A handle 106 is also welded on the top of the upper cover plate 102 .

When installing the production line, after the angle between the web former 1 and the spinning assembly is determined, the first angle adjustment device 10 and the second angle adjustment device 11 are simultaneously rotated to make the spinning box The body 6, the cold air box 7, the drafting device 8 and the diffuser 9 are on the same plane; the bottom plate 101 and the bottom plate 101 are welded as a whole, and the spinning box 6 and the drafting device 8 are respectively fixed on the upper cover plate 102 .

Example 2

The structural principle of this embodiment is similar to that of Embodiment 1, the difference is that the angle adjusting device is driven by electricity. The first angle adjustment device 10 and the second angle adjustment device 11 are simultaneously driven by electric power.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The present invention will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or some or all of the technical features thereof are equivalently replaced; these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.

Claims (9)

1. A spunbond non-woven fabric production line with an adjustable spinning box angle, comprising a spinning assembly, a web forming machine (1), and the spinning assembly includes a feeder (2), a screw extruder (3) ), leftover material returning device (4), filter (5), spinning box (6), cold air box (7), drafting device (8), diffuser (9), characterized in that the spinning The installation angle between the silk assembly and the web forming machine (1) is adjusted through an angle adjustment device, and the angle adjustment device is installed on the spinning assembly through a connecting block. 2. The spunbond nonwoven production line with adjustable spinning box angle according to claim 1, wherein the adjustment range of the angle between the spinning assembly and the web forming machine is 0 °-45°. 3. The spunbond nonwoven production line with adjustable spinning box angle according to claim 1, wherein the angle adjustment device comprises a first angle adjustment device (10), a second angle adjustment device (11), the first angle adjustment device (10) and the second angle adjustment device (11) both include a bottom plate (101), an upper cover plate (102), the upper cover plate (102) and the bottom plate (101) Grooves (103) are respectively provided, several balls (104) are provided in the grooves (103), and square holes (105) are provided on the upper cover plate (102) and the bottom plate (101). 4. The spunbond non-woven fabric production line with adjustable spinning box angle according to claim 3, wherein the connecting block comprises a first connecting block (201) and a second connecting block (202) ; the spinning box (6) is mounted on the first angle adjusting device (10) through the first connecting block (201); the drafting device (8) is connected through the second connecting block (202) Installed on the second angle adjustment device (11). 5. The spunbond non-woven fabric production line with adjustable spinning box angle according to claim 4, wherein the first angle adjustment device (10) is fixed on the third floor floor through the bottom plate (101) On (12), the spinning box (6) passes through the square hole (105) on the first angle adjusting device (10) and is mounted on the first connecting block (201) through the first connecting block (201). on the angle adjustment device (10). 6. The spunbond non-woven fabric production line with adjustable spinning box angle according to claim 4, wherein the second angle adjustment device (11) is fixed on the second floor floor through the bottom plate (101). On (13), the drafting device (8) passes through the square hole (105) on the second angle adjusting device (11) and is installed at the second angle through the second connecting block (202) on the adjustment device (11). 7. The spunbond nonwoven production line with adjustable spinning box angle according to claim 3, characterized in that the first angle adjustment device (10) and the second angle adjustment device (11) ) to rotate synchronously. 8. The spunbond non-woven fabric production line with an adjustable spinning box angle according to claim 3, wherein a handle (106) is also welded on the top of the upper cover plate (102). 9 . The spunbond non-woven fabric production line with adjustable spinning box angle according to claim 1 , wherein the angle adjustment device is driven by electricity. 10 .

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