CN106048752A - Threaded rod for spinning filaments - Google Patents
Threaded rod for spinning filaments Download PDFInfo
- Publication number
- CN106048752A CN106048752A CN201610619669.8A CN201610619669A CN106048752A CN 106048752 A CN106048752 A CN 106048752A CN 201610619669 A CN201610619669 A CN 201610619669A CN 106048752 A CN106048752 A CN 106048752A
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- CN
- China
- Prior art keywords
- section
- screw rod
- groove depth
- segment
- compression
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Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D13/00—Complete machines for producing artificial threads
- D01D13/02—Elements of machines in combination
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a threaded rod for spinning filaments. The threaded rod sequentially comprises a feeding segment, a compression segment, a metering segment and a mixing segment in the first direction. The compression segment is sequentially divided into a first section, a second section and a third section in the first direction. In the first direction, a first groove of the first section gradually becomes shallow so that materials can be fused fully; the depth of a second groove of the second section is constant; in the first direction, a third groove of the third section gradually becomes deep so that shear heat of the materials can be reduced to a controllable range. The threaded rod solves the technical problems that according to a threaded rod for spinning filaments PA66 in the prior art, the temperature is not controlled easily, and the materials are fused unevenly. The technical effects that the temperature is controlled more easily and the materials are fused more evenly and fully are achieved.
Description
Technical field
The present invention relates to spining technology field, particularly relate to a kind of spinning filament screw rod.
Background technology
PA66 long filament is mainly used in cord fabric tire, due to its have that intensity is high, high temperature resistant, endurance and good impact resistance
Deng premium properties, make the carcass produced have the performance advantages such as firm, lightweight, load is big, therefore quickly grow.The most several
Year, along with the development rapidly of auto industry, world's tire industry there occurs that great variety, each manufacturer are all devoted to product
Energy comprehensive study, continues to optimize production technology, Improving The Quality of Products.
Because PA66 melt easily produces gel, and spinning quality is the most sensitive to the change of melt temperature, screw extruding
Machine stands in the breach as the parts the changing melt impact just on spinning quality of cutting into slices.Spin PA66 long filament screw rod draw ratio,
Compression ratio, subregion arrange and differ greatly with conventional chemical fibre screw rod, design slightly different will to spinning quality generation extreme influence,
Current common spinning screw rod material is melted uneven, compression section shear heat is excessive, temperature is wayward, so screw rod
Extruder is always the short slab bottleneck of domestic PA66 equipment.
Spin PA66 long filament screw rod it is to say, of the prior art, there is temperature wayward, material is melted not
Uniform technical problem.
Summary of the invention
The present invention, by providing a kind of spinning filament screw rod, solves and of the prior art spins PA66 long filament screw rod, deposit
Temperature wayward, material is melted uneven technical problem.
The embodiment of the present application provides following technical scheme:
A kind of spinning filament screw rod, described screw rod includes the most successively: feed zone, compression section, metering section and mixed
Refining section；
Described compression section is divided into along described first direction: first paragraph, second segment and the 3rd section；Wherein, along described
One direction, the first groove depth of described first paragraph gradually becomes shallower as, with abundant fused materials；Second groove depth of described second segment is constant；
Along described first direction, the 3rd groove depth of described 3rd section gradually deepens, so that the shear heat of described material is reduced to controlled model
Enclose.
Optionally, the draw ratio of described screw rod is 29.5-30.5；Described feed zone, described compression section, described metering section and
The lenth ratio of described mixing section is 10:9:8:3, by increasing described feed zone and the length of described metering section, makes described thing
Expect at described feed zone molten homogeneous and the most melted at described metering section.
Optionally, the compression ratio of described screw rod is 2.9-3.1.
Optionally, described second groove depth is less than described first groove depth；Described second groove depth is less than described 3rd groove depth.
Optionally, the lenth ratio of described first paragraph, described second segment and described 3rd section is 6:2:1.
Optionally, described mixing section uses one milling type rhombus pin to arrange.
Optionally, described screw rod is for spinning PA66 long filament screw rod.
The one or more technical schemes provided in the embodiment of the present application, at least have the following technical effect that or advantage:
1, the screw rod that the embodiment of the present application provides, arranges compression section and is divided into three sections, in the first direction, first, at first paragraph
Groove depth gradually becomes shallower as, so that shear heat becomes larger, and then makes solid-phase material shear by compression fully to melt to liquid phase, then
Second segment maintains constant groove depth, further such that solid-phase material is the most melted, then, the groove depth arranging the 3rd section deepens, to subtract
The shear heat of little compression section back segment, and then reduce the overheating problem of compression section back segment, it is ensured that in metering section below, material cuts
Cut heat and be reduced to controlled range.
2, the screw rod that the embodiment of the present application provides, arranges the feed zone screw diameter than long 2-3 times of common screw, works as solid phase
When material is heated in Stirring advances, the length that feed zone increases makes solid-phase material preheating more uniform and stable, for
Compression section melts and lays a good foundation；It addition, fully melt residue solid-phase material by the length lengthening metering section, subtract
Little pressure oscillation.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only embodiments of the invention, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to the accompanying drawing according to providing obtains other
Accompanying drawing.
Fig. 1 is the structure chart of screw rod in the embodiment of the present application；
Fig. 2 is the structural representation of screw compression section in the embodiment of the present application.
Detailed description of the invention
The embodiment of the present application, by providing a kind of spinning filament screw rod, solves and of the prior art spins PA66 long filament spiral shell
Bar, the temperature existed is wayward, and material melts uneven technical problem.Achieve and make temperature more controlled, to thing
Material melted evenly with sufficient technique effect.
For solving above-mentioned technical problem, the general thought of the embodiment of the present application offer technical scheme is as follows:
The application provides a kind of spinning filament screw rod, it is characterised in that described screw rod includes the most successively: charging
Section, compression section, metering section and mixing section；
Described compression section is divided into along described first direction: first paragraph, second segment and the 3rd section；Wherein, along described
One direction, the first groove depth of described first paragraph gradually becomes shallower as, with abundant fused materials；Second groove depth of described second segment is constant；
Along described first direction, the 3rd groove depth of described 3rd section gradually deepens, so that the shear heat of described material is reduced to controlled model
Enclose.
By foregoing it can be seen that arrange compression section to be divided into three sections, in the first direction, first, in first paragraph groove depth
Gradually become shallower as, so that shear heat becomes larger, and then make solid-phase material shear by compression fully to melt to liquid phase, then second
Section maintains constant groove depth, further such that solid-phase material is the most melted, then, the groove depth arranging the 3rd section deepens, to reduce pressure
The shear heat of contracting section back segment, and then reduce the overheating problem of compression section back segment, it is ensured that the shear heat of material in metering section below
It is reduced to controlled range.
In order to be better understood from technique scheme, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment is to the application skill
The detailed description of art scheme rather than the restriction to technical scheme, in the case of not conflicting, the embodiment of the present application
And the technical characteristic in embodiment can be mutually combined.
In the present embodiment, it is provided that a kind of spinning filament screw rod, refer to Fig. 1 and Fig. 2, described screw rod is in the first direction
Include successively: feed zone 1, compression section 2, metering section 3 and mixing section 4；
Described compression section 2 is divided into along described first direction 101: first paragraph 11, second segment 12 and the 3rd section 13；Its
In, along described first direction 101, the first groove depth 7 of described first paragraph 12 gradually becomes shallower as, with abundant fused materials；Described second
Second groove depth 8 of section 12 is constant；Along described first direction 101, the 3rd groove depth 9 of described 3rd section 13 gradually deepens, so that institute
The shear heat stating material is reduced to controlled range.
In specific implementation process, described screw rod specially spins PA66 long filament screw rod, according to the actual requirements, the most described
Screw rod can also be the spinning filament screw rod of remaining model, and this is not restricted.
It should be noted that specifically used time, described material is in rotary moving along described first direction 101, sequentially passes through institute
State feed zone 1, described compression section 2, described metering section 3 and described mixing section 4.
In the embodiment of the present application, the draw ratio of described screw rod is 29.5-30.5；Described feed zone 1, described compression section 2,
The lenth ratio of described metering section 3 and described mixing section 4 is 10:9:8:3, by increasing described feed zone 1 and described metering section 3
Length, make described material at described feed zone molten homogeneous and the most melted at described metering section.
Specifically, with the diameter 5 of described screw rod as D, a length of 29.5D-30.5D of the most described screw rod；According to 10:9:
The ratio of 8:3, the length of described feed zone 1 is about 10D, and the length of described compression section 2 is about 9D, the length of described metering section 3
Being about 8D, the length of described mixing section 4 is about 3D.What the present embodiment provided spins PA66 long filament screw rod, on the one hand, its feed zone
1 than the screw diameter of charging segment length 2-3 times of common screw in prior art.Solid-phase material is added in Stirring advances
Heat, the length of increase makes the rotary heating time of solid-phase material increase, so that preheating is more uniform and stable, in compression section 4
In melted lay a good foundation.On the other hand, its metering section 3 ratio metering segment length of common screw in prior art, by adding
Long metering section 3 can fully melt residue solid-phase material, reduces pressure oscillation.
In the embodiment of the present application, the compression ratio of described screw rod is 2.9-3.1.
Specifically, described compression ratio is: [feed zone groove depth 6* (diameter 5-feed zone groove depth 6)]/[second groove depth 8*
(diameter 5-the second groove depth 8)].
In the embodiment of the present application, the lenth ratio of described first paragraph 11, described second segment 12 and described 3rd section 13 is
6:2:1。
Specifically, with the diameter 5 of described screw rod as D, then according to the ratio of 6:2:1, the length of described first paragraph 11 is about
For 6D, the length of described second segment 12 is about 2D, and the length of described 3rd section is about D.
Further, along described first direction 101, the first groove depth 7 of described first paragraph 11 gradually becomes shallower as, to improve shearing
Heat, makes solid-phase material shear by compression and progressively melts to liquid phase；Second groove depth 8 of described second segment 12 is constant, functions as
One little metering section so that it is remelted；Now, the heat discharged due to PA66 solid-phase material conversional solution phase time is excessive, meeting
Cause rear portion, compression section overheating problem, therefore the 3rd groove depth 9 of described 3rd section 13 gradually deepens until metering section groove depth 10, with soon
The solid-liquid mixture of high compression ratio is discharged thus reduces shear heat by speed.Further, described second groove depth 8 is less than described first groove
Deep 7 or described second groove depths 8 are less than the meansigma methods of described first groove depth 7；Described second groove depth 8 less than described 3rd groove depth 9 or
Described second groove depth 8 is less than the meansigma methods of described 3rd groove depth 9.
Specifically, compression section 2 being divided into three sections, at first paragraph 11, the first groove depth 7 progressively shoals, solid-phase material temperature
Raising further, simultaneously under the shear heat effect of storeroom, part will the material of melting melt the most therewith, material gradually by
Solid becomes molten state melt.And be accomplished by suitable compression ratio in order to fully melted, compression ratio is the biggest, material shear heat
The biggest.Owing to PA66 material has the characteristic that viscosity is high, there is bigger shear heat thus cause rear portion, compression section overheating problem.
In order to solve the problems referred to above, the 3rd groove depth 9 is set at the 3rd section 13 and again deepens in the diameter length of 1 times, so that metering
In section 3, the shear heat of material is reduced to controlled range, also assures that the compression ratio of screw rod simultaneously.
In the embodiment of the present application, described mixing section uses one milling type rhombus pin to arrange.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage:
1, the screw rod that the embodiment of the present application provides, arranges compression section and is divided into three sections, in the first direction, first, at first paragraph
Groove depth gradually becomes shallower as, so that shear heat becomes larger, and then makes solid-phase material shear by compression fully to melt to liquid phase, then
Second segment maintains constant groove depth, further such that solid-phase material is the most melted, then, the groove depth arranging the 3rd section deepens, to subtract
The shear heat of little compression section back segment, and then reduce the overheating problem of compression section back segment, it is ensured that in metering section below, material cuts
Cut heat and be reduced to controlled range.
2, the screw rod that the embodiment of the present application provides, arranges the feed zone screw diameter than long 2-3 times of common screw, works as solid phase
When material is heated in Stirring advances, the length that feed zone increases makes solid-phase material preheating more uniform and stable, for
Compression section melts and lays a good foundation；It addition, fully melt residue solid-phase material by the length lengthening metering section, subtract
Little pressure oscillation.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a spinning filament screw rod, it is characterised in that described screw rod includes the most successively: feed zone, compression section, meter
Amount section and mixing section；
Described compression section is divided into along described first direction: first paragraph, second segment and the 3rd section；Wherein, along described first party
To, the first groove depth of described first paragraph gradually becomes shallower as, with abundant fused materials；Second groove depth of described second segment is constant；Along institute
Stating first direction, the 3rd groove depth of described 3rd section gradually deepens, so that the shear heat of described material is reduced to controlled range.
2. screw rod as claimed in claim 1, it is characterised in that the draw ratio of described screw rod is 29.5-30.5；Described charging
The lenth ratio of section, described compression section, described metering section and described mixing section is 10:9:8:3, by increase described feed zone and
The length of described metering section, makes described material at described feed zone molten homogeneous and the most melted at described metering section.
3. screw rod as claimed in claim 1, it is characterised in that the compression ratio of described screw rod is 2.9-3.1.
4. screw rod as claimed in claim 1, it is characterised in that described second groove depth is less than described first groove depth；Described second
Groove depth is less than described 3rd groove depth.
5. screw rod as claimed in claim 1, it is characterised in that described first paragraph, described second segment and the length of described 3rd section
Degree ratio is 6:2:1.
6. screw rod as claimed in claim 1, it is characterised in that described mixing section uses one milling type rhombus pin to arrange.
7. the screw rod as described in claim 1-6 is arbitrary, it is characterised in that described screw rod is for spinning PA66 long filament screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619669.8A CN106048752A (en) | 2016-07-29 | 2016-07-29 | Threaded rod for spinning filaments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619669.8A CN106048752A (en) | 2016-07-29 | 2016-07-29 | Threaded rod for spinning filaments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106048752A true CN106048752A (en) | 2016-10-26 |
Family
ID=57196966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610619669.8A Pending CN106048752A (en) | 2016-07-29 | 2016-07-29 | Threaded rod for spinning filaments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106048752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737290A (en) * | 2021-09-30 | 2021-12-03 | 北京中丽制机工程技术有限公司 | Screw extruder and fiber spinning drafting and winding combination machine for polylactic acid industry |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523654A (en) * | 1975-06-25 | 1977-01-12 | Teijin Ltd | Screw type melting device |
| CN2193248Y (en) * | 1994-04-22 | 1995-03-29 | 延俊生 | Compound thread rod for press or extruder |
| CN2706482Y (en) * | 2004-02-22 | 2005-06-29 | 高雨声 | New type extruder screw used for producing non woven fabric and chemical fiber |
| CN201287456Y (en) * | 2008-07-25 | 2009-08-12 | 朱凯生 | Screw of parallel-slice spinning machine |
| CN102534819A (en) * | 2012-03-15 | 2012-07-04 | 北京中丽制机工程技术有限公司 | Extruder screw |
| CN204997974U (en) * | 2015-07-28 | 2016-01-27 | 天津市盈德意利保温材料有限公司 | A mushy separation type screw rod for on extruder |
| CN205990467U (en) * | 2016-07-29 | 2017-03-01 | 北京中丽制机工程技术有限公司 | A kind of spinning filament screw rod |
-
2016
- 2016-07-29 CN CN201610619669.8A patent/CN106048752A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523654A (en) * | 1975-06-25 | 1977-01-12 | Teijin Ltd | Screw type melting device |
| CN2193248Y (en) * | 1994-04-22 | 1995-03-29 | 延俊生 | Compound thread rod for press or extruder |
| CN2706482Y (en) * | 2004-02-22 | 2005-06-29 | 高雨声 | New type extruder screw used for producing non woven fabric and chemical fiber |
| CN201287456Y (en) * | 2008-07-25 | 2009-08-12 | 朱凯生 | Screw of parallel-slice spinning machine |
| CN102534819A (en) * | 2012-03-15 | 2012-07-04 | 北京中丽制机工程技术有限公司 | Extruder screw |
| CN204997974U (en) * | 2015-07-28 | 2016-01-27 | 天津市盈德意利保温材料有限公司 | A mushy separation type screw rod for on extruder |
| CN205990467U (en) * | 2016-07-29 | 2017-03-01 | 北京中丽制机工程技术有限公司 | A kind of spinning filament screw rod |
Non-Patent Citations (1)
| Title |
|---|
| 范有发: "《冷冲压与塑料成型机械》", 30 June 2012, 北京：机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737290A (en) * | 2021-09-30 | 2021-12-03 | 北京中丽制机工程技术有限公司 | Screw extruder and fiber spinning drafting and winding combination machine for polylactic acid industry |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |
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| RJ01 | Rejection of invention patent application after publication |