CN211868579U - Screw rod for non-woven fabric extruder - Google Patents
Screw rod for non-woven fabric extruder Download PDFInfo
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- CN211868579U CN211868579U CN202020444213.4U CN202020444213U CN211868579U CN 211868579 U CN211868579 U CN 211868579U CN 202020444213 U CN202020444213 U CN 202020444213U CN 211868579 U CN211868579 U CN 211868579U
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The utility model discloses a screw rod for non-woven fabrics extruder, including the screw rod body, be equipped with the compression section on the screw rod body, be equipped with the spiral shell groove on the compression section, the spiral shell groove includes solid-state spiral shell groove and liquid spiral shell groove, solid-state spiral shell groove with liquid spiral shell groove degree of depth is the same, solid-state spiral shell groove with liquid spiral shell groove width is different. The screw pitch difference of the solid screw groove and the liquid screw groove is designed according to different materials, the separation section of the solid melt and the liquid melt is lengthened through the change of the screw pitch difference of the compression section, and then the solid melt and the liquid melt are more easily separated, so that the melt is output in a homogeneous manner, the heating and extruding effects of the extruder screw are further enhanced, the melting efficiency of the melt in the screw extruder is improved, and the spinning requirement is better met.
Description
Technical Field
The utility model relates to non-woven fabrics extruder's technical field especially relates to a screw rod for non-woven fabrics extruder.
Background
Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers. It is called a cloth because of its appearance and certain properties. The non-woven fabric has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity or irritation, rich color, low price, recycling and the like. For example, the polypropylene (pp material) granules are mostly adopted as raw materials and are produced by a continuous one-step method of high-temperature melting, spinning, laying a line and hot-pressing coiling.
The manufacturing process flow of the non-woven cloth bag mainly comprises the steps of cutting, blow molding, printing, film cutting and manufacturing of a finished non-woven cloth bag, wherein an extruder is required to be used for extruding and heating the non-woven cloth in the production process, and a screw extruder is used for outputting molten solid raw materials at uniform and constant temperature and constant pressure so as to meet the spinning requirement.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art, the utility model provides a screw rod for non-woven fabrics extruder has solved present solid-state and liquid fuse-element and has been difficult to the separation, leads to the lower technical problem of efficiency when the fuse-element melts in screw rod extruder.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a screw rod for non-woven fabrics extruder, includes the screw rod body, be equipped with the compression section on the screw rod body, be equipped with the spiral shell groove on the compression section, the spiral shell groove includes solid-state spiral shell groove and liquid spiral shell groove, solid-state spiral shell groove with liquid spiral shell groove degree of depth is the same, solid-state spiral shell groove with liquid spiral shell groove width is different.
Preferably, the compression section is provided with double spiral edges which are of an integral structure connected together smoothly.
Preferably, a detachable screw head is arranged at one end of the screw body.
Preferably, the side wall of the screw head is provided with grooves at intervals.
Preferably, the outer surface of the screw body is provided with an anticorrosive coating.
The utility model provides a screw rod for non-woven fabrics extruder possesses following beneficial effect: 1. the screw pitch difference of the solid screw groove and the liquid screw groove is designed according to different materials, the separation section of the solid melt and the liquid melt is lengthened through the change of the screw pitch difference of the compression section, and then the solid melt and the liquid melt are more easily separated, so that the melt is output in a homogeneous manner, the heating and extruding effects of the extruder screw are further enhanced, the melting efficiency of the melt in the screw extruder is improved, and the spinning requirement is better met.
2. The outer surface of the double helix is smooth, so that the material flow is more stable.
3. The screw head can be replaced independently after being damaged or deformed, so that the replacement cost is saved.
4. The screw rod can be flowed out from the recess to the material, avoids blockking up, and excellent in use effect improves the extrusion material rate.
5. The screw body is corrosion-resistant, and the service life of the screw is prolonged.
Drawings
FIG. 1 is a schematic view of a screw structure for a nonwoven fabric extruder;
FIG. 2 is a schematic view of a double-helical-edge partially enlarged structure;
FIG. 3 is a schematic structural view of a screw head;
wherein 1-screw body, 11-depth, 12-width, 2-compression section, 21-double screw rib, 3-screw groove, 31-solid screw groove, 32-liquid screw groove, 4-screw head, 41-groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following embodiments are merely illustrative, and are not intended to limit the manner in which features may be combined, and any features may be combined as appropriate across the embodiments.
As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a screw rod for non-woven fabrics extruder, includes screw rod body 1, is equipped with compression section 2 on the screw rod body 1, is equipped with the spiral shell groove 3 on the compression section 2, and the spiral shell groove 3 includes solid-state spiral shell groove 31 and liquid spiral shell groove 32, and solid-state spiral shell groove 31 is the same with liquid spiral shell groove 32 degree of depth 11, and solid-state spiral shell groove 31 is different with liquid spiral shell groove 32 width 12.
The pitch difference between the solid screw groove 31 and the liquid screw groove 32 is designed according to different materials, the separation section of the solid melt and the liquid melt is lengthened through the change of the pitch difference of the compression section 2, and then the solid melt and the liquid melt are more easily separated, so that the melt is output in a homogeneous manner, the heating and extruding effects of the screw rod of the extruder are further enhanced, the melting efficiency of the melt in the screw rod extruder is improved, and the spinning requirement is better met.
In this embodiment, the compression section 2 is provided with double screw ridges 21, and the double screw ridges 21 are of an integral structure which is smoothly connected together.
The outer surface of the double-screw edge 21 is smooth, so that the material flows more stably.
In this embodiment, 1 one end of screw rod body is equipped with can dismantle screw rod head 4.
The screw head 11 can be replaced independently after being damaged or deformed, so that the replacement cost is saved.
In this embodiment, grooves 41 are formed on the side wall of the screw head 4 at intervals.
The material can flow out of the screw rod from the groove 41, so that the blockage is avoided, the using effect is good, and the material extruding rate is improved.
In this embodiment, the outer surface of the screw body 1 is provided with an anticorrosive coating.
The screw body 1 is corrosion-resistant, and the service life of the screw is prolonged.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides a screw rod for non-woven fabrics extruder, includes the screw rod body, be equipped with compression section on the screw rod body, its characterized in that: the compression section is provided with a screw groove, the screw groove comprises a solid screw groove and a liquid screw groove, the depth of the solid screw groove is the same as that of the liquid screw groove, and the width of the solid screw groove is different from that of the liquid screw groove.
2. The screw rod for the non-woven fabric extruder according to claim 1, wherein the compression section is provided with double spiral ribs, and the double spiral ribs are of an integral structure which is smoothly connected together.
3. A screw for a nonwoven fabric extruder as claimed in claim 1, wherein: one end of the screw body is provided with a detachable screw head.
4. A screw for a nonwoven fabric extruder as claimed in claim 3, wherein: and grooves are formed in the side wall of the screw head at intervals.
5. A screw for a nonwoven fabric extruder as claimed in claim 1, wherein: the outer surface of the screw body is provided with an anticorrosive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020444213.4U CN211868579U (en) | 2020-03-31 | 2020-03-31 | Screw rod for non-woven fabric extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020444213.4U CN211868579U (en) | 2020-03-31 | 2020-03-31 | Screw rod for non-woven fabric extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211868579U true CN211868579U (en) | 2020-11-06 |
Family
ID=73256577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020444213.4U Active CN211868579U (en) | 2020-03-31 | 2020-03-31 | Screw rod for non-woven fabric extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211868579U (en) |
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2020
- 2020-03-31 CN CN202020444213.4U patent/CN211868579U/en active Active
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