CN103962812B - For manufacturing the preparation method of the spinneret of Lyocell fiber - Google Patents
For manufacturing the preparation method of the spinneret of Lyocell fiber Download PDFInfo
- Publication number
- CN103962812B CN103962812B CN201410199615.1A CN201410199615A CN103962812B CN 103962812 B CN103962812 B CN 103962812B CN 201410199615 A CN201410199615 A CN 201410199615A CN 103962812 B CN103962812 B CN 103962812B
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- Prior art keywords
- spinneret
- forming part
- active section
- preparation
- spinneret orifice
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/16—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass plates with holes of very small diameter, e.g. for spinning or burner nozzles
-
- 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
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/022—Processes or materials for the preparation of spinnerettes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses the preparation method of a kind of spinneret for manufacturing Lyocell fiber, comprise the following steps: the first step, blanking shapes；Second step, for the first time punching；3rd step, for the second time punching；4th step, for the third time punching；5th step, welding.The present invention can be 0.04～0.20mm in the corrosion resistant plate upper punch aperture that thickness is 1.2～1.5mm, and hole count is the spinneret orifice of 7500～35000, and manufactured spinneret is 4～5 times of conventional tantalum spinneret thickness.
Description
Technical field
The present invention relates to the preparation method of a kind of spinneret, be specifically related to the system of a kind of spinneret for manufacturing Lyocell fiber
Preparation Method.
Background technology
Lyocell (lyocell) fiber is New Regenerated Cellulosic Fibers, and the characteristic of its existing viscose rayon has again synthetic fibers
Strongly, due to pollution-free in its whole production process, environmental protection fiber therefore it is described as.
The production process of Lyocell fiber relates to three big critical processes, i.e. dissolving, spinning and solvent recovery.Dissolution process is
The pulp of chopping is dissolved in N-methyl agate quinoline-N-oxide (NMMO) solvent formation oleo stock；Spinning technique is to make oleo stock warp
Strand is formed after crossing the spinneret orifice of spinneret；Solvent recovery process is to make the solvent on strand be dissolved in the water, and is then entered by strand
Row drawing-off, cutting off, wash, make the solvent on fiber the most clean, finally drying becomes finished product.
Wherein the precision of the spinneret that spinning technique is used directly determines the quality of finished product.Existing spinneret employing thickness is
The tantalum alloy plate of 0.30mm, is distributed multiple spinneret orifice on tantalum alloy plate, the degree of depth of spinneret orifice and diameter are than for 1:1.This spray
Filament plate is only used for producing viscose rayon, it is impossible to produce Lyocell fiber.And the preparation technology of current spinneret, it is impossible to real
Thickness is to form the spray webbing duct that draw ratio is 2:1 on the spinneret of 4～5 times of tantalum alloy plates now.
Summary of the invention
The technical problem to be solved is to provide the preparation method of a kind of spinneret for manufacturing Lyocell fiber, it
The degree of depth and the spray webbing duct that diameter ratio is 2:1 can be formed on the corrosion resistant plate that thickness is 1.2～1.5mm.
For solving above-mentioned technical problem, the present invention is for manufacturing the technology solution party of the preparation method of the spinneret of Lyocell fiber
Case is:
Described spinneret includes spinning plate and pedestal, spinning plate be thickness be the metallic plate of 1.2～1.5mm, metallic plate is along its length
Directional spreding has multiple cloth porose area, and multiple spinneret orifice is distributed in cloth porose area, and spinneret orifice extends along the thickness direction of metallic plate；Spray
Silk hole includes holding slurry portion and strand forming part, holds slurry portion and is connected with strand forming part and is positioned at the top of strand forming part；Hold slurry
Portion is up big and down small taper, and strand forming part is cylindrical；A diameter of the 0.04 of strand forming part～0.20mm, strand molding
The degree of depth in portion and diameter ratio are 2:1；Hold the minimum diameter diameter more than strand forming part in slurry portion；The upper surface of pedestal is offered
Having spinning plate to fix groove, spinning plate is fixedly installed on the spinning plate of pedestal and fixes in groove；
Described spinneret orifice is dense distribution in cloth porose area, is distributed and exceedes on the metallic plate of area 5000 ± 1000 square millimeters
10000 spinneret orifices.
Described metallic plate uses resistant material.
Described preparation method comprises the following steps:
The first step, blanking shapes；
Second step, for the first time punching；
Utilizing Digit Control Machine Tool, use slubbing red needle, the upper surface at the cloth porose area of metallic plate implements punching for the first time, is formed multiple
Tapered blind hole, this tapered blind hole is the appearance slurry portion of spinneret orifice；
Described slubbing red needle is up big and down small taper, and end is plane；The shape of slubbing red needle and the shape holding slurry portion of spinneret orifice
Shape matches.
3rd step, for the second time punching；
Using two road red needles, the tapered blind hole being formed second step implements second time punching, at the cone formed below of tapered blind hole
Shape through hole；
Further, polished and cleaned step is implemented.
Described two road red needles are made up of main paragraph, changeover portion, active section, tip four part, main paragraph, changeover portion, active section,
The diameter of tip is the most tapered and rounding off, and active section is up big and down small taper, and the maximum gauge of active section is less than spray webbing
The diameter of the strand forming part in hole, the length of active section is identical with the degree of depth of strand forming part；The length of main paragraph and changeover portion and
Identical with the length holding slurry portion of spinneret orifice.
4th step, for the third time punching；
Using three road red needles, the conical through-hole being formed the 3rd step implements third time punching, makes conical through-hole become straight hole, from
And form multiple spinneret orifice on a metal plate；
Further, implement to clean grinding steps.
Described three road red needles are made up of main paragraph, active section, tip three part, main paragraph, active section, the roundest and the most smooth mistake in tip
Crossing, active section is cylindrical, and the diameter of active section is identical with the diameter of the strand forming part of spinneret orifice；The length of active section is big
Length in the degree of depth of strand forming part, main paragraph and active section and the thickness more than metallic plate.
5th step, welding；
Using laser-beam welding machine, the spinning plate having the spinning plate of multiple spinneret orifice to be welded in pedestal upper surface punching is fixed in groove.
Described laser-beam welding machine includes mobile platform, and mobile platform is provided with universal dividing head, and universal dividing head connects the first weldering
Welding fixture, the side of the first weld jig is provided with the second weld jig；The clamping part of the second weld jig is provided above laser
Machine head.
What the present invention can reach has the technical effect that
The present invention can be 0.04～0.20mm in the corrosion resistant plate upper punch aperture that thickness is 1.2～1.5mm, hole count be 7500～
The spinneret orifice of 35000, manufactured spinneret is 4～5 times of conventional tantalum spinneret thickness.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings:
Fig. 1 is the schematic top plan view of the spinning plate of the present invention；
Fig. 2 is the partial enlarged drawing of B in Fig. 1；
Fig. 3 is the schematic cross-section of the spinneret orifice in the spinning plate of the present invention；
Fig. 4 is the schematic top plan view of the pedestal of the present invention；
Fig. 5 is the schematic diagram that the present invention implements three punchings successively；
Fig. 6 is the schematic diagram of the slubbing red needle of the present invention；
Fig. 7 is the schematic diagram of the two road red needles of the present invention；
Fig. 8 is the schematic diagram of the three road red needles of the present invention；
Fig. 9 is the schematic diagram of laser-beam welding machine of the present invention.
Description of reference numerals in figure:
1 for holding slurry portion, and 2 is strand forming part,
3 fix groove for spinning plate,
10 is spinneret orifice,
11 is the main paragraph of two road red needles, and 12 is the changeover portion of two road red needles,
13 is the active section of two road red needles, and 14 is the tip of two road red needles,
21 is the main paragraph of three road red needles, and 22 is the active section of three road red needles,
23 is the tip of three road red needles,
31 is mobile platform, and 32 is universal dividing head,
33 is the first weld jig, and 34 is the second weld jig,
35 is protection pad, and 36 is laser machine head.
Detailed description of the invention
The present invention is for manufacturing the preparation method of the spinneret of Lyocell fiber, and described spinneret includes spinning plate and pedestal；As
Shown in Fig. 1, spinning plate be thickness L be the corrosion resistant plate of 1.2～1.5mm, corrosion resistant plate be distributed along its length multiple (figure
In 1 it is 9) cloth porose area A；As in figure 2 it is shown, be intensively distributed with multiple spinneret orifice 10 in cloth porose area A, spinneret orifice 10 is not along
The thickness direction of rust steel plate extends；It is distributed more than 10000 spinneret orifices on the corrosion resistant plate of area about 5000 square millimeters
10；
As it is shown on figure 3, spinneret orifice 10 includes holding slurry portion 1 and strand forming part 2 (i.e. spray webbing duct), hold slurry portion 1 and strand
Forming part 2 is connected and is positioned at the top of strand forming part 2；The cross section holding slurry portion 1 is up big and down small taper, strand molding
Portion 2 is cylindrical；A diameter of the 0.04 of strand forming part 2～0.20mm, the ratio of the depth H of strand forming part 2 and diameter of phi
For 2:1；Hold the minimum diameter diameter more than strand forming part 2 in slurry portion 1；
As shown in Figure 4, the upper surface of pedestal offers spinning plate and fixes groove 3, and the spinning plate that spinning plate is fixedly installed on pedestal is solid
Determine in groove 3.
The preparation method of spinneret of the present invention comprises the following steps:
The first step, blanking shapes；
Form the corrosion resistant plate that thickness is 1.2～1.5mm being of the required size；
Second step, for the first time punching；
Utilizing Digit Control Machine Tool, use slubbing red needle, the upper surface at the cloth porose area A of corrosion resistant plate implements punching for the first time, is formed
Multiple tapered blind hole, this tapered blind hole is the appearance slurry portion 1 of spinneret orifice 10, as shown in Figure 5；
As shown in Figure 6, slubbing red needle is up big and down small taper, and end is plane；The shape of slubbing red needle and spinneret orifice 10
The shape holding slurry portion 1 matches；
3rd step, for the second time punching；
Using two road red needles, the tapered blind hole being formed second step implements second time punching, at the cone formed below of tapered blind hole
Shape through hole (i.e. conical through-hole is through the lower surface of corrosion resistant plate), as shown in Figure 5；
As it is shown in fig. 7, two road red needles are made up of main paragraph 11, changeover portion 12, active section 13, tip 14 4 part, main body
Section 11, changeover portion 12, active section 13, tip 14 diameter is the most tapered and rounding off, active section 13 is up big and down small
Taper, and the maximum gauge of active section 13 is less than the diameter of strand forming part 2 of spinneret orifice 10, the length of active section 13 with
The degree of depth of strand forming part 2 is identical；Main paragraph 11 and the length of changeover portion 12 and the length phase in the appearance slurry portion 1 with spinneret orifice 10
With；
4th step, polished and cleaned；
It is polished cleaning to the lower surface of corrosion resistant plate；
5th step, for the third time punching；
Using three road red needles, the conical through-hole being formed the 3rd step implements third time punching, makes conical through-hole become straight hole, as
Shown in Fig. 5, thus form multiple spinneret orifice 10 on stainless steel；
As shown in Figure 8, three road red needles are made up of main paragraph 21, active section 22, tip 23 3 part, main paragraph 21, work
Section 22, tip 23 rounding off successively, active section 22 be cylindrical, and the diameter of active section 22 and the strand of spinneret orifice 10
The diameter of forming part 2 is identical；The length of active section 22 is more than the degree of depth of strand forming part 2, main paragraph 21 and active section 22
Length and the thickness L more than corrosion resistant plate；
6th step, cleans and grinds；
It is carried out grinding to the lower surface of corrosion resistant plate；
7th step, welding；
Use NC laser welding machine, punching has the corrosion resistant plate (i.e. spinning plate) of multiple spinneret orifice 10 be welded in pedestal upper surface
Spinning plate fix in groove 3；
As it is shown in figure 9, laser-beam welding machine includes mobile platform 31, mobile platform 31 is provided with universal dividing head 32；Universal
Dividing head 32 connects the first weld jig 33, and the side of the first weld jig 33 is provided with the second weld jig 34, the second welding
The clamping part of fixture 34 is provided with protection pad 35；The clamping part of the second weld jig 34 is provided above laser machine head 36；
During welding, make the first weld jig 33 gripping base, make the second weld jig 34 clamp spinning plate, spinning plate is placed in
The spinning plate of pedestal upper surface is fixed in groove 3, launches laser beam by laser machine head 36, and spinning plate is welded in spinning of pedestal
Filament plate is fixed in groove 3.
The present invention uses laser welding, it is possible to avoid causing in welding process the deformation of spinneret orifice 10.
Claims (8)
1. the preparation method being used for manufacturing the spinneret of Lyocell fiber, it is characterised in that described spinneret includes spinning
Plate and pedestal, spinning plate be thickness be the metallic plate of 1.2～1.5mm, metallic plate is distributed multiple cloth porose area along its length,
Multiple spinneret orifice is distributed in cloth porose area, and spinneret orifice extends along the thickness direction of metallic plate；Spinneret orifice includes that holding slurry portion becomes with strand
Type portion, holds slurry portion and is connected with strand forming part and is positioned at the top of strand forming part；Holding slurry portion is up big and down small taper, silk
Bar forming part is cylindrical；A diameter of the 0.04 of strand forming part～0.20mm, the degree of depth of strand forming part and diameter ratio are 2:
1；Hold the minimum diameter diameter more than strand forming part in slurry portion；The upper surface of pedestal offers spinning plate and fixes groove, and spinning plate is solid
Surely the spinning plate being arranged at pedestal is fixed in groove；
Described spinneret orifice is dense distribution in cloth porose area, is distributed and exceedes on the metallic plate of area 5000 ± 1000 square millimeters
10000 spinneret orifices；
Described preparation method comprises the following steps:
The first step, blanking shapes；
Second step, for the first time punching；
Utilizing Digit Control Machine Tool, use slubbing red needle, the upper surface at the cloth porose area of metallic plate implements punching for the first time, is formed multiple
Tapered blind hole, this tapered blind hole is the appearance slurry portion of spinneret orifice；
3rd step, for the second time punching；
Using two road red needles, the tapered blind hole being formed second step implements second time punching, at the cone formed below of tapered blind hole
Shape through hole；
4th step, for the third time punching；
Using three road red needles, the conical through-hole being formed the 3rd step implements third time punching, makes conical through-hole become straight hole, from
And form multiple spinneret orifice on a metal plate；
5th step, welding；
Using laser-beam welding machine, the spinning plate having the spinning plate of multiple spinneret orifice to be welded in pedestal upper surface punching is fixed in groove.
The preparation method of the spinneret for manufacturing Lyocell fiber the most according to claim 1, it is characterised in that institute
Stating slubbing red needle is up big and down small taper, and end is plane；The shape of slubbing red needle and the shape kissing holding slurry portion of spinneret orifice
Close.
The preparation method of the spinneret for manufacturing Lyocell fiber the most according to claim 1, it is characterised in that institute
State two road red needles to be made up of main paragraph, changeover portion, active section, tip four part, main paragraph, changeover portion, active section, tip
Diameter is the most tapered and rounding off, active section is up big and down small taper, and the maximum gauge of active section is less than spinneret orifice
The diameter of strand forming part, the length of active section is identical with the degree of depth of strand forming part；The length of main paragraph and changeover portion and with spray
The length holding slurry portion in silk hole is identical.
The preparation method of the spinneret for manufacturing Lyocell fiber the most according to claim 1, it is characterised in that institute
State three road red needles to be made up of main paragraph, active section, tip three part, main paragraph, active section, tip rounding off successively, work
The section of work is cylindrical, and the diameter of active section is identical with the diameter of the strand forming part of spinneret orifice；The length of active section is more than strand
The degree of depth of forming part, the length of main paragraph and active section and the thickness more than metallic plate.
The preparation method of the spinneret for manufacturing Lyocell fiber the most according to claim 1, it is characterised in that institute
State enforcement polished and cleaned step between the 3rd step and the 4th step.
The preparation method of the spinneret for manufacturing Lyocell fiber the most according to claim 1, it is characterised in that institute
State and implement between the 4th step and the 5th step to clean grinding steps.
The preparation method of the spinneret for manufacturing Lyocell fiber the most according to claim 1, it is characterised in that institute
Stating laser-beam welding machine and include mobile platform, mobile platform is provided with universal dividing head, universal dividing head connects the first weld jig,
The side of the first weld jig is provided with the second weld jig；The clamping part of the second weld jig is provided above laser machine head.
The preparation method of the spinneret for manufacturing Lyocell fiber the most according to claim 1, it is characterised in that institute
State metallic plate and use resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199615.1A CN103962812B (en) | 2014-05-13 | 2014-05-13 | For manufacturing the preparation method of the spinneret of Lyocell fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199615.1A CN103962812B (en) | 2014-05-13 | 2014-05-13 | For manufacturing the preparation method of the spinneret of Lyocell fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103962812A CN103962812A (en) | 2014-08-06 |
| CN103962812B true CN103962812B (en) | 2016-08-17 |
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| CN201410199615.1A Active CN103962812B (en) | 2014-05-13 | 2014-05-13 | For manufacturing the preparation method of the spinneret of Lyocell fiber |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593420B (en) * | 2020-07-08 | 2022-03-29 | 厦门厦芝科技工具有限公司 | Spinneret orifice processing method of spinneret plate |
| CN114178786A (en) * | 2021-11-26 | 2022-03-15 | 浙江精诚模具机械有限公司 | A kind of micro-hole processing technology of extrusion die spinneret |
| CN115255114B (en) * | 2022-07-27 | 2024-12-13 | 苏州上金数控科技有限公司 | A method for processing a spinneret |
| CN119426935A (en) * | 2025-01-10 | 2025-02-14 | 湖南弥特精密机械有限公司 | Processing method of spinneret and lyocell spinneret |
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| CN103962812A (en) | 2014-08-06 |
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