CN214881947U

CN214881947U - Spinning device is used in non-woven production

Info

Publication number: CN214881947U
Application number: CN202121091072.3U
Authority: CN
Inventors: 彭馨
Original assignee: Tefula Weifang New Material Technology Co ltd
Current assignee: Tefula Weifang New Material Technology Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-11-26
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a spinning equipment is used in non-woven production is located the top of pendulum silk network formation device for receive and carry the fuse-element of coming, and divide into a plurality of strands of trickle with the fuse-element uniformly, including spinning die head (1) that a plurality of arranged the setting, on the cutting wire of the conveyer belt traffic direction of pendulum silk network formation device, distribute the quantity of spinning die head (1) equals the setting, spinning die head (1) and the conveyer belt traffic direction slope and/or perpendicular setting of pendulum silk network formation device. The utility model provides high product property can, has improved comprehensive output, is favorable to improving production speed, to the requirement greatly reduced of control capacity, the production degree of difficulty reduces greatly, the extension of being convenient for.

Description

Spinning device is used in non-woven production

Technical Field

The utility model relates to a non-woven fabrics production technical field especially relates to a spinning equipment is used in non-woven fabrics production.

Background

The non-woven fabric does not need a fabric formed by spinning woven fabric, but is formed by arranging textile short fibers or filaments in an oriented or random mode to form a fiber web structure and then reinforcing the fiber web structure by adopting a mechanical method, a thermal bonding method or a chemical method. It directly uses high polymer slice, short fiber or filament to form a novel fiber product with soft, air-permeable and plane structure through various fiber web forming methods and consolidation techniques. The non-woven fabric breaks through the traditional spinning principle and has the characteristics of short process flow, high production speed, high yield, low cost, wide application, multiple raw material sources and the like.

The width of the existing non-woven fabric is mostly 1600mm, 2400mm and 3200mm, and in the production process of the non-woven fabric, because the length of the spinning component corresponds to the width of the non-woven fabric of 1600mm, 2400mm and 3200mm, the production capacity requires to increase the width of a spinneret plate, so that the difficulty of spinning cooling is increased, and the problem of the production process can be brought. Under the influences of stress release of metal materials, uneven high-temperature deformation, accurate calculation requirement of a melt flow channel and the like, the required control capability is stronger, great difficulty is brought to width increase and capacity improvement of the existing non-woven fabric, and the production cost is extremely high

SUMMERY OF THE UTILITY MODEL

The utility model provides an improved and produced property ability, improved comprehensive output, be favorable to improving production speed, to the requirement greatly reduced of control capacity, the production degree of difficulty reduces greatly, the spinning equipment is used in non-woven production of the extension of being convenient for.

In order to solve the technical problem, the technical scheme of the utility model is that: the spinning device for producing the non-woven fabric is positioned above the swing fiber net-forming device and used for receiving the melt conveyed by the metering pump and uniformly dividing the melt into a plurality of strands of thin streams, and comprises a plurality of spinning die heads which are arranged in an array mode, wherein the number of the spinning die heads distributed on a cutting line along the running direction of a conveying belt of the swing fiber net-forming device is equal to that of the spinning die heads, and the spinning die heads and the running direction of the conveying belt of the swing fiber net-forming device are obliquely and/or vertically arranged.

As a preferred technical scheme, the length of the spinning die head is not more than the width of the non-woven fabric.

As a preferable technical scheme, the angle formed by inclining the spinning die head and the running direction of the cycloidal silk-laying device is 20-70 degrees.

Preferably, the spinning dies are arranged in parallel and/or at an angle.

According to a preferable technical scheme, the spinning die head comprises a spinning box, a feeding channel is arranged above the spinning box, a spinneret plate is connected below the spinning box, and spinneret holes are densely distributed in the spinneret plate.

According to the preferable technical scheme, the discharge end of the feeding channel is connected with a material distribution plate, a heating pipe is arranged above the material distribution plate, a single suction groove is formed in the periphery of the lower portion of the spinning box and communicated with the inside of the spinning box inwards, and a single suction pipe is connected to the outside of the single suction groove.

Preferably, a sealing air bag is arranged on the outer periphery of the spinneret plate; and a fixed connecting column is connected above the spinning box.

By adopting the technical scheme, the running directions of the spinning die head and the conveying belt of the swinging-silk-forming device are obliquely arranged, so that the transverse strength of the PP spunbonded non-woven fabric is improved, the ratio of the longitudinal and transverse strengths of the PP spunbonded non-woven fabric is reduced to 1.0-1.5 from the traditional 1.5-2, and the product performance is improved. The utility model discloses can pass through spinning die head and pendulum silk become web device's conveyer belt traffic direction inclination realize the angular adjustment to fibrous structure, traditional the fibrous network structure longitudinal fibre of spinning die head parallel arrangement production is arranged many, and the transverse fiber is arranged fewly, and the fibre direction is hardly adjusted, and the product is indulged transverse strength ratio 1.5-2.0, through the utility model relates to an usable difference spinning die head angle changes indulges transverse fiber structure, and the position fibre of lapping after the fibre spinning presents certain angle with equipment traffic direction and arranges to increase transverse fiber distribution, reached the effect of adjustment fibrous structure, make the vertical transverse strength ratio of PP spunbonded non-woven fabrics realize 1.0-1.5. The design of a plurality of spinning die heads increases the number of the spinning die heads, increases the width of the spinning die heads on the whole, can improve the yield of products, can provide sufficient melt trickle, and is favorable for improving the production speed. Meanwhile, compared with the traditional single spinning die head design, the combined design of the plurality of spinning die heads has the advantages that the length and the width are separated from the limitation of the size of the traditional spinning die head, the combined design can be expanded according to actual requirements, the requirement on the control capacity is greatly reduced, and the production difficulty is greatly reduced. The utility model provides high product property can, has improved comprehensive output, is favorable to improving production speed, to the requirement greatly reduced of control capacity, the production degree of difficulty reduces greatly, the extension of being convenient for.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention, showing a top-view arrangement structure of the spinning die head;

FIG. 2 is a schematic illustration of FIG. 1 taken in transverse and longitudinal extension;

fig. 3 is a schematic structural diagram of the spinning die head according to the first embodiment of the present invention;

fig. 4 is a side view of the spinning die of the first embodiment of the present invention;

FIG. 5 is a sectional view taken along line A-A of FIG. 3;

FIG. 6 is a sectional view taken along line B-B of FIG. 3;

fig. 7 is a front view of the spinning die head according to the first embodiment of the present invention;

fig. 8 is a schematic structural diagram of the spinneret plate according to the first embodiment of the present invention;

fig. 9 is a surface view of a sample according to a first embodiment of the present invention;

fig. 10 is a schematic structural view of a second embodiment of the present invention, showing a top-view direction arrangement structure of the spinning die head;

FIG. 11 is a schematic illustration of FIG. 10 taken in transverse and longitudinal extension;

fig. 12 is a schematic structural diagram of a third embodiment of the present invention, showing a top-view direction arrangement structure of the spinning die head;

FIG. 13 is a schematic illustration of FIG. 12 taken in transverse and longitudinal extension;

fig. 14 is a schematic structural view of a fourth embodiment of the present invention, showing a top-view direction arrangement structure of the spinning die head;

FIG. 15 is a schematic illustration of FIG. 14 taken in transverse and longitudinal extension;

fig. 16 is a schematic structural view of a fifth embodiment of the present invention, showing a top-view direction arrangement structure of the spinning die head;

fig. 17 is a schematic structural diagram of example six of the present invention, showing the arrangement structure of the spinning die head in the top view direction.

In the figure: 1-a spinning die head; 2-spinning box; 3-a feed channel; 4-spinneret plate; 5-spinneret orifices; 6-material distributing plate; 7-heating a tube; 8-monomer aspiration groove; 9-a single suction tube; 10-sealing the air bag; 11-fixed connection column.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The first embodiment is as follows: as shown in figure 1 of the drawings, in which,

the spinning device for producing the non-woven fabric is positioned above the yarn swinging and net forming device, is used for receiving the conveyed melt and uniformly dividing the melt into a plurality of strands of thin streams, comprises a plurality of spinning die heads 1 which are arranged, the number of the spinning die heads 1 which are distributed is equal on a cutting line along the running direction of a conveying belt of the yarn swinging and net forming device, and the spinning die heads 1 and the running direction of the conveying belt of the yarn swinging and net forming device are obliquely arranged.

In fig. 1, five spinning die heads 1 are shown in an arrangement, the number of the spinning die heads 1 can be increased transversely or longitudinally according to actual requirements, the number of the spinning die heads 1 is only used for better explaining the embodiment, the five spinning die heads 1 are obliquely arranged with the running direction of a conveyer belt of a swing wire netting device, so that the transverse strength of the PP spunbonded non-woven fabric is improved, the ratio of the longitudinal strength to the transverse strength of the PP spunbonded non-woven fabric is reduced from the traditional 1.5-2 to 1.0-1.5, and the product performance is improved.

The embodiment can pass through spinning die head 1 and the realization of pendulum silk web-forming device's conveyer belt traffic direction inclination angle to fibrous structure's angular adjustment, and the tradition the longitudinal fiber arrangement of fibrous web structure that spinning die head 1 parallel arrangement produced is many, and horizontal fiber arrangement is few, and the fibre direction is difficult to adjust, and the product is indulged horizontal strength ratio 1.5-2.0, can utilize different through this embodiment design 1 angle of spinning die head changes indulge horizontal fiber structure, and the fibre presents certain angle with equipment traffic direction and arranges after the fibre spinning at lapping position to increase horizontal fiber distribution, reached the effect of adjusting fibrous structure, make the vertical and horizontal strength ratio of PP spunbonded nonwoven realize 1.0-1.5.

The lengths of the first spinning die head 1 and the last spinning die head 1 are shorter, for example (the following numerical values are only used for better explaining the embodiment), the lengths of the first spinning die head 1 and the last spinning die head 1 are 800mm, the lengths of the middle three spinning die heads 1 are 1600mm, transverse and longitudinal extension can be performed, the transverse extension is suitable for width extension, such as 1600mm and 3200mm of width, and the longitudinal extension can provide sufficient melt trickle due to the plurality of spinning die heads 1, so that the production speed of the swing-silk-forming and the subsequent processes thereof can be improved, and the productivity can be greatly improved. Meanwhile, the requirement on the control capability of the spinning die head 1 only needs to be maintained at the requirement of the size of 800mm or 1600mm in width, the requirement on the control capability is greatly reduced, and the production difficulty is greatly reduced.

The number of the spinning die heads 1 distributed on the cutting line along the running direction of the conveying belt of the swing-silk-forming device is equal, the structure can ensure that the melt trickle falls onto the swing-silk-forming device after being stretched, and the thickness of the product running on the conveying belt of the swing-silk-forming device is consistent. Particularly, the end arrangement of the spinning die heads 1 ensures the butt joint, as shown in fig. 1, the tail end of the first spinning die head 1 is butted with the head end of the third spinning die head 1, and the tail end of the third spinning die head 1 is butted with the head end of the fifth spinning die head 1 on a cutting line in the running direction of a conveyer belt of the swing-net device, so that the number of the spinning die heads 1 on the cutting line is kept the same as that of other positions. The number of the spinning die heads 1 is not fixed, and the spinning die heads 1 with the middle 1600mm are in one group or multiple groups. The length of the single spinning die head 1 can be adjusted, the length of each spinning die head 1 can be 0.8 m-4.2 m, and the overall width of the non-woven production equipment can be 0.8 m-10 m after the non-woven production equipment is arranged and installed through the combined design of the number and the length of the combined spinning die heads 1. The actual equipment width can be varied in both the transverse and longitudinal dimensions, increasing or decreasing the number of spinning dies 1 in the arrangement. Fig. 2 is a schematic diagram showing the horizontal and vertical extension of the array of fig. 1.

The length of the spinning die 1 is not more than the width of the nonwoven fabric. The length of the spinning die head 1 is the width of the non-woven fabric or less than the width of the non-woven fabric, the requirement on the control capability of the spinning die head 1 is reduced, and the manufacturing cost of the spinning die head 1 is greatly reduced on the premise of ensuring the production capacity and the product performance.

The angle formed by the inclined arrangement of the spinning die head 1 and the running direction of the swing wire netting device is 20-70 degrees. The angle can be adjusted according to the actual situation, for example, 30 degrees, 45 degrees, etc.

The spinning die heads 1 are arranged in parallel, and the structure is convenient to arrange.

Referring to fig. 3, 4, 5, 6, 7 and 8, the spinning die head 1 includes a spinning manifold 2, a feeding channel 3 is provided above the spinning manifold 2, a spinneret 4 is connected below the spinning manifold 2, and spinneret holes 5 are densely distributed on the spinneret 4. The melt enters from the feed channel 3 and flows out through the spinneret orifice 5 to become a fine flow.

The discharge end of charge passage 3 is connected with divides flitch 6, and the top of dividing flitch 6 is equipped with heating pipe 7, and the below periphery of spinning case 2 is equipped with monomer suction groove 8, and inside 8 inside intercommunication spinning case 2 in monomer suction groove, the monomer suction groove 8 outwards was connected with monomer suction tube 9. Divide flitch 6 can evenly drain the top of spinneret 4 with the fuse-element, can discharge the flue gas after the fuse-element melts through monomer suction tube 9 and monomer suction groove 8.

A sealing air bag 10 is arranged on the outer periphery of the spinneret plate 4; the upper part of the spinning box 2 is connected with a fixed connecting column 11. The sealing air bag 10 can ensure the sealing performance when being butted with a stretching process, and the fixed connecting column 11 is convenient to mount.

The swinging wire netting device and the stretching process corresponding device are conventional devices for producing non-woven fabrics, the protection range defined by the utility model is not limited, and the swinging wire netting device and the stretching process corresponding device are known technologies for the technicians in the field, and are not described in detail herein.

As shown in fig. 9, the PP spun-bonded nonwoven fabric produced by the spinning apparatus for nonwoven fabric production has increased fiber distribution in the cross direction and MD/CD strength < 1.5.

The results of the comparison of the PP spunbonded nonwoven of the present example with the PP spunbonded products of the current market are given in the following table:

comparative test conditions: the width of the test sample is 50mm, the test fixture is 100mm, and the stretching speed is 300 mm/min.

The PET spunbonded non-woven fabric produced by the spinning device for the non-woven fabric production is added with transverse fiber distribution arrangement, and the MD strength/CD strength is less than 1.8.

The results of the PET spunbonded nonwoven of this example compared to the existing commercial PET spunbonded product are given in the following table:

The PE spun-bonded non-woven fabric produced by the spinning device for producing the non-woven fabric is added with transverse fiber distribution, and the MD strength/CD strength is less than 1.8.

The results of the PE spunbond nonwoven fabric of this example compared to the existing market PE spunbond product are given in the following table:

The PP spunbonded nonwoven fabric, the PET spunbonded nonwoven fabric and the PE spunbonded nonwoven fabric can also be used for producing corresponding products with other gram weights, the performances are greatly improved compared with the same type of products in the market, and the performance slightly different due to the gram weight difference can be confirmed without objection for the technical personnel in the field, and the products are required to fall into the protection scope of the application.

Example two: as shown in fig. 10, the difference from the first embodiment is that the arrangement positions of the spinning die heads 1 are different, the tail ends of the first, second, third and fourth spinning die heads 1 are located on an inclined line which is obliquely arranged with the running direction of the conveyer belt of the swing-wire netting device, and the head ends of the second, third, fourth and fifth spinning die heads 1 are located on an inclined line which is obliquely arranged with the running direction of the conveyer belt of the swing-wire netting device. The tail end of the first spinning die head 1 is butted with the head end of the third spinning die head 1, and the tail end of the third spinning die head 1 is butted with the head end of the fifth spinning die head 1 on a cutting line in the running direction of a conveyer belt of the swing-wire netting device, so that the number of the spinning die heads 1 on the cutting line is kept the same as that of other positions. As shown in fig. 11, when the transverse and longitudinal extensions are performed, the number of spinning dies 1 is increased in an arrangement manner.

Example three: as shown in fig. 12, the difference from the first embodiment lies in that the arrangement positions of the spinning die heads 1 are different, the first and fourth spinning die heads 1 are arranged perpendicular to the running direction of the conveyer belt of the swing-wire-laying device, the second and third spinning die heads 1 are arranged obliquely to the running direction of the conveyer belt of the swing-wire-laying device, and an angle combination mode is adopted, and the spinning die heads 1 are arranged in parallel and in an angle combination mode. Wherein the tail end of the second spinning die head 1 and the head end of the third spinning die head 1 are butted on a cutting line in the running direction of a conveyer belt of the swing-net forming device, so that the number of the spinning die heads 1 on the cutting line is kept the same as that of other positions. As shown in fig. 13, when the transverse and longitudinal extensions are performed, the number of spinning dies 1 is increased in an arrangement manner.

Example four: as shown in fig. 14, the difference from the first embodiment lies in that the arrangement positions of the spinning die heads 1 are different, the first and fifth spinning die heads 1 are arranged perpendicular to the running direction of the conveyer belt of the swing-wire-laying device, the second, third and fourth spinning die heads 1 are arranged obliquely to the running direction of the conveyer belt of the swing-wire-laying device, and an angle combination mode is adopted, and the spinning die heads 1 are arranged in parallel and in an angle combination mode. Wherein the tail end of the second spinning die head 1 is butted with the head end of the third spinning die head 1, and the tail end of the third spinning die head 1 is butted with the head end of the fourth spinning die head 1 on a cutting line in the running direction of a conveyer belt of the swing-wire netting device, so that the number of the spinning die heads 1 on the cutting line is kept the same as that of other positions. As shown in fig. 15, when the transverse and longitudinal extensions are performed, the number of spinning dies 1 is increased in an arrangement manner.

Example five: as shown in fig. 16, the difference from the first example is that the spinning dies 1 are arranged at different positions, and the longitudinal direction is extended, wherein the tail end of the first spinning die 1 and the head end of the second spinning die 1, the tail end of the second spinning die 1 and the head end of the third spinning die 1, and the tail end of the fourth spinning die 1 and the head end of the fifth spinning die 1 are butted on the cutting line in the running direction of the conveyer belt of the web laying device, so that the number of the spinning dies 1 on the cutting line is kept the same as that of other positions.

Example six: as shown in fig. 17, unlike the first example, the spinning dies 1 are arranged at different positions, and the spinning dies 1 are arranged in parallel and at an angle while being extended in the longitudinal direction. Wherein the tail end of the second spinning die head 1 is butted with the head end of the third spinning die head 1, and the tail end of the third spinning die head 1 is butted with the head end of the fourth spinning die head 1 on a cutting line in the running direction of a conveyer belt of the swing-wire netting device, so that the number of the spinning die heads 1 on the cutting line is kept the same as that of other positions.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The spinning device for producing the non-woven fabric is positioned above the swinging-silk-forming device and used for receiving the conveyed melt and uniformly dividing the melt into a plurality of strands of thin streams, and is characterized in that: the device comprises a plurality of spinning die heads (1) which are arranged, wherein the number of the spinning die heads (1) which are distributed on a cutting line along the running direction of a conveying belt of a swing-silk-forming device is equal, and the spinning die heads (1) are inclined and/or vertical to the running direction of the conveying belt of the swing-silk-forming device.

2. The spinning apparatus for producing a nonwoven fabric according to claim 1, wherein: the length of the spinning die head (1) is not more than the width of the non-woven fabric.

3. The spinning apparatus for producing a nonwoven fabric according to claim 2, wherein: the angle formed by the spinning die head (1) and the running direction of the cycloidal silk-forming device in an inclined mode is 20-70 degrees.

4. The spinning apparatus for producing a nonwoven fabric according to claim 1, wherein: the spinning die heads (1) are arranged in parallel and/or at an angle.

5. The spinning apparatus for producing a nonwoven fabric according to claim 1, wherein: the spinning die head (1) comprises a spinning box (2), a feeding channel (3) is arranged above the spinning box (2), a spinneret plate (4) is connected below the spinning box (2), and spinneret holes (5) are densely distributed in the spinneret plate (4).

6. The spinning apparatus for producing a nonwoven fabric according to claim 5, wherein: the discharge end of charge-in passage (3) is connected with divides flitch (6), the top of dividing flitch (6) is equipped with heating pipe (7), the below periphery of spinning case (2) is equipped with monomer suction groove (8), monomer suction groove (8) inwards communicate inside spinning case (2), monomer suction groove (8) are outwards connected with monomer suction tube (9).

7. The spinning apparatus for producing a nonwoven fabric according to claim 5 or 6, wherein: a sealing air bag (10) is arranged on the periphery of the outer side of the spinneret plate (4); the upper part of the spinning box (2) is connected with a fixed connecting column (11).