CN103962812A - Method for manufacturing spinneret plate for making Lyocell fibers - Google Patents
Method for manufacturing spinneret plate for making Lyocell fibers Download PDFInfo
- Publication number
- CN103962812A CN103962812A CN201410199615.1A CN201410199615A CN103962812A CN 103962812 A CN103962812 A CN 103962812A CN 201410199615 A CN201410199615 A CN 201410199615A CN 103962812 A CN103962812 A CN 103962812A
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- CN
- China
- Prior art keywords
- spinneret
- forming part
- active section
- strand forming
- preparation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Landscapes
- 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 a method for manufacturing a spinneret plate for making Lyocell fibers. The method comprises the following steps of blanking and forming, the first time of punching, the second time of punching, the third time of punching and welding. By means of the method, spinneret holes with the diameter being 0.04-0.20 mm can be punched in a stainless steel plate with the thickness being 1.2-1.5 mm, the number of the holes is 7500 to 35000, and the thickness of the manufactured spinneret plate is 4-5 times that of a conventional tantalum spinneret plate.
Description
Technical field
The present invention relates to a kind of preparation method of spinneret, be specifically related to a kind of preparation method of the spinneret for the manufacture of Lyocell fiber.
Background technology
Lyocell (lyocell) fiber is New Regenerated Cellulosic Fibers, and the characteristic of its existing viscose rayon has again the brute force of synthetic fibers, due to pollution-free in its whole production process, is therefore described as environmental protection fiber.
In the production process of Lyocell fiber, relate to three large critical processes, i.e. dissolving, spinning and solvent recovery.Dissolution process is that the pulp of chopping is dissolved in N-methyl agate quinoline-N-oxide (NMMO) solvent and forms magma; Spinning technique is to make magma form strand after the spinneret orifice of spinneret; Solvent recovery process is to make dissolution with solvents on strand in water, then strand is carried out to drawing-off, cut-out, washing, makes the solvent on fiber fully clean, finally dries and becomes finished product.
The precision of the spinneret that wherein spinning technique uses has directly determined the quality of finished product.Existing spinneret adopts the tantalum alloy plate that thickness is 0.30mm, is distributed with multiple spinneret orifices on tantalum alloy plate, and the degree of depth of spinneret orifice is 1:1 with diameter ratio.This spinneret can only, for the production of viscose rayon, can not be produced Lyocell fiber.And the preparation technology of current spinneret cannot realize and be 4～5 times at thickness and on the spinneret of tantalum alloy plate, form the spinneret orifice road that draw ratio is 2:1.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of preparation method of the spinneret for the manufacture of Lyocell fiber, and it forms the spinneret orifice road that the degree of depth and diameter ratio are 2:1 on can the corrosion resistant plate that be 1.2～1.5mm at thickness.
For solving the problems of the technologies described above, the present invention for the manufacture of the preparation method's of the spinneret of Lyocell fiber technical solution is:
Described spinneret comprises spinning plate and pedestal, and spinning plate is that thickness is the metallic plate of 1.2～1.5mm, and metallic plate is distributed with multiple cloth porose areas along its length, is distributed with multiple spinneret orifices in cloth porose area, and spinneret orifice extends along the thickness direction of metallic plate; Spinneret orifice comprises appearance slurry portion and strand forming part, holds the top that slurry portion is connected with strand forming part and is positioned at strand forming part; Holding slurry portion is up big and down small taper, and strand forming part is cylindrical; The diameter of strand forming part is 0.04～0.20mm, and the degree of depth of strand forming part and diameter ratio are 2:1; The minimum diameter that holds slurry portion is greater than the diameter of strand forming part; The upper surface of pedestal offers spinning plate holddown groove, and spinning plate is fixedly installed in the spinning plate holddown groove of pedestal;
Described spinneret orifice is dense distribution in cloth porose area, is distributed with and exceedes 10000 spinneret orifices on the metallic plate of 5000 ± 1000 square millimeters of areas.
Described metallic plate adopts resistant material.
Described preparation method comprises the following steps:
The first step, blanking is shaped;
Second step, for the first time punching;
Utilize Digit Control Machine Tool, adopt slubbing red needle, implement punching for the first time at the upper surface of the cloth porose area of metallic plate, form 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 the appearance slurry portion of the shape of slubbing red needle and spinneret orifice matches.
The 3rd step, for the second time punching;
Adopt two road red needles, the tapered blind hole that second step is formed is implemented punching for the second time, forms conical through-hole below tapered blind hole;
Further, implement polished and cleaned step.
Described two road red needles are made up of main paragraph, changeover portion, active section, tip four parts, the diameter of main paragraph, changeover portion, active section, tip is convergent and rounding off successively, active section is up big and down small taper, and the maximum gauge of active section is less than the diameter of the strand forming part of spinneret orifice, and the length of active section is identical with the degree of depth of strand forming part; Main paragraph and the length of changeover portion and identical with the length of the appearance slurry portion of spinneret orifice.
The 4th step, for the third time punching;
Adopt three road red needles, the conical through-hole that the 3rd step is formed is implemented punching for the third time, makes conical through-hole become straight hole, thereby on metallic plate, forms multiple spinneret orifices;
Further, implement to clean grinding steps.
Described three road red needles are made up of main paragraph, active section, tip three parts, main paragraph, active section, tip rounding off successively, and 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 greater than the degree of depth of strand forming part, the length of main paragraph and active section and the thickness that is greater than metallic plate.
The 5th step, welding;
Adopt laser-beam welding machine, have the spinning plate of multiple spinneret orifices to be welded in the spinning plate holddown groove of pedestal upper surface punching.
Described laser-beam welding machine comprises mobile platform, is provided with universal dividing head on mobile platform, and universal dividing head connects the first weld jig, and a side of the first weld jig is provided with the second weld jig; The clamping part top of the second weld jig is provided with laser machine head.
The technique effect that the present invention can reach is:
The corrosion resistant plate upper punch aperture that the present invention can be 1.2～1.5mm at thickness is 0.04～0.20mm, the spinneret orifice that hole count is 7500～35000, and the spinneret of manufacturing is 4～5 times of conventional tantalum spinneret thickness.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the schematic top plan view of 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 spinning plate of the present invention;
Fig. 4 is the schematic top plan view of 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 slubbing red needle of the present invention;
Fig. 7 is the schematic diagram of two road red needles of the present invention;
Fig. 8 is the schematic diagram of 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 is spinning plate holddown groove,
10 is spinneret orifice,
The main paragraph of 11Wei bis-road red needles, the changeover portion of 12Wei bis-road red needles,
The active section of 13Wei bis-road red needles, the tip of 14Wei bis-road red needles,
The main paragraph of 21Wei tri-road red needles, the active section of 22Wei tri-road red needles,
The tip of 23Wei tri-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 the manufacture of the preparation method of the spinneret of Lyocell fiber, and described spinneret comprises spinning plate and pedestal; As shown in Figure 1, spinning plate is that thickness L is the corrosion resistant plate of 1.2～1.5mm, corrosion resistant plate is distributed with along its length multiple (in Fig. 1 being 9) cloth porose area A; As shown in Figure 2, be intensively distributed with multiple spinneret orifices 10 in cloth porose area A, spinneret orifice 10 extends along the thickness direction of corrosion resistant plate; On the corrosion resistant plate of approximately 5000 square millimeters of areas, be distributed with and exceed 10000 spinneret orifices 10;
As shown in Figure 3, spinneret orifice 10 comprises appearance slurry portion 1 and strand forming part 2 (being spinneret orifice road), holds the top that slurry portion 1 is connected with strand forming part 2 and is positioned at strand forming part 2; The cross section that holds slurry portion 1 is up big and down small taper, and strand forming part 2 is cylindrical; The diameter of strand forming part 2 is 0.04～0.20mm, and the depth H of strand forming part 2 is 2:1 with the ratio of diameter of phi; The minimum diameter that holds slurry portion 1 is greater than the diameter of strand forming part 2;
As shown in Figure 4, the upper surface of pedestal offers spinning plate holddown groove 3, and spinning plate is fixedly installed in the spinning plate holddown groove 3 of pedestal.
The preparation method of spinneret of the present invention comprises the following steps:
The first step, blanking is shaped;
The thickness that formation is of the required size is the corrosion resistant plate of 1.2～1.5mm;
Second step, for the first time punching;
Utilize Digit Control Machine Tool, adopt slubbing red needle, implement punching for the first time at the upper surface of the cloth porose area A of corrosion resistant plate, form 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 the appearance slurry portion 1 of the shape of slubbing red needle and spinneret orifice 10 matches;
The 3rd step, for the second time punching;
Adopt two road red needles, the tapered blind hole that second step is formed is implemented punching for the second time, forms conical through-hole (being the lower surface that conical through-hole passes corrosion resistant plate), as shown in Figure 5 below tapered blind hole;
As shown in Figure 7, two road red needles are made up of main paragraph 11, changeover portion 12, active section 13, tip 14 4 parts, the diameter of main paragraph 11, changeover portion 12, active section 13, tip 14 convergent and rounding off successively, active section 13 is up big and down small taper, and the maximum gauge of active section 13 is less than the diameter of the strand forming part 2 of spinneret orifice 10, and the length of active section 13 is identical with the degree of depth of strand forming part 2; Main paragraph 11 and the length of changeover portion 12 and identical with the length of the appearance slurry portion 1 of spinneret orifice 10;
The 4th step, polished and cleaned;
The lower surface of corrosion resistant plate is carried out to polished and cleaned;
The 5th step, for the third time punching;
Adopt three road red needles, the conical through-hole that the 3rd step is formed is implemented punching for the third time, makes conical through-hole become straight hole, as shown in Figure 5, thereby on corrosion resistant plate, forms multiple spinneret orifices 10;
As shown in Figure 8, three road red needles are made up of main paragraph 21, active section 22, tip 23 3 parts, main paragraph 21, active section 22, tip 23 rounding off successively, active section 22 is cylindrical, and the diameter of active section 22 is identical with the diameter of the strand forming part 2 of spinneret orifice 10; The length of active section 22 is greater than the degree of depth of strand forming part 2, the length of main paragraph 21 and active section 22 and the thickness L that is greater than corrosion resistant plate;
The 6th step, cleans and grinds;
The lower surface of corrosion resistant plate is cleaned to grinding;
The 7th step, welding;
Adopt NC laser welding machine, have the corrosion resistant plate (being spinning plate) of multiple spinneret orifices 10 to be welded in the spinning plate holddown groove 3 of pedestal upper surface punching;
As shown in Figure 9, laser-beam welding machine comprises mobile platform 31, is provided with universal dividing head 32 on mobile platform 31; The clamping part that the side that universal dividing head 32 connects the first weld jig 33, the first weld jigs 33 is provided with the second weld jig 34, the second weld jigs 34 is provided with protection pad 35; The clamping part top of the second weld jig 34 is provided with laser machine head 36;
When welding, make the first weld jig 33 clamp pedestal, make the second weld jig 34 clamp spinning plate, spinning plate is placed in the spinning plate holddown groove 3 of pedestal upper surface, by laser machine head 36 Emission Lasers bundles, spinning plate is welded in the spinning plate holddown groove 3 of pedestal.
The present invention adopts laser weld, can avoid causing in welding process the distortion of spinneret orifice 10.
Claims (9)
1. the preparation method for the manufacture of the spinneret of Lyocell fiber, it is characterized in that, described spinneret comprises spinning plate and pedestal, spinning plate is that thickness is the metallic plate of 1.2～1.5mm, metallic plate is distributed with multiple cloth porose areas along its length, in cloth porose area, be distributed with multiple spinneret orifices, spinneret orifice extends along the thickness direction of metallic plate; Spinneret orifice comprises appearance slurry portion and strand forming part, holds the top that slurry portion is connected with strand forming part and is positioned at strand forming part; Holding slurry portion is up big and down small taper, and strand forming part is cylindrical; The diameter of strand forming part is 0.04～0.20mm, and the degree of depth of strand forming part and diameter ratio are 2:1; The minimum diameter that holds slurry portion is greater than the diameter of strand forming part; The upper surface of pedestal offers spinning plate holddown groove, and spinning plate is fixedly installed in the spinning plate holddown groove of pedestal;
Described preparation method comprises the following steps:
The first step, blanking is shaped;
Second step, for the first time punching;
Utilize Digit Control Machine Tool, adopt slubbing red needle, implement punching for the first time at the upper surface of the cloth porose area of metallic plate, form multiple tapered blind hole, this tapered blind hole is the appearance slurry portion of spinneret orifice;
The 3rd step, for the second time punching;
Adopt two road red needles, the tapered blind hole that second step is formed is implemented punching for the second time, forms conical through-hole below tapered blind hole;
The 4th step, for the third time punching;
Adopt three road red needles, the conical through-hole that the 3rd step is formed is implemented punching for the third time, makes conical through-hole become straight hole, thereby on metallic plate, forms multiple spinneret orifices;
The 5th step, welding;
Adopt laser-beam welding machine, have the spinning plate of multiple spinneret orifices to be welded in the spinning plate holddown groove of pedestal upper surface punching.
2. the preparation method of the spinneret for the manufacture of Lyocell fiber according to claim 1, is characterized in that, described slubbing red needle is up big and down small taper, and end is plane; The shape of the appearance slurry portion of the shape of slubbing red needle and spinneret orifice matches.
3. the preparation method of the spinneret for the manufacture of Lyocell fiber according to claim 1, it is characterized in that, described two road red needles are made up of main paragraph, changeover portion, active section, tip four parts, the diameter of main paragraph, changeover portion, active section, tip is convergent and rounding off successively, active section is up big and down small taper, and the maximum gauge of active section is less than the diameter of the strand forming part of spinneret orifice, and the length of active section is identical with the degree of depth of strand forming part; Main paragraph and the length of changeover portion and identical with the length of the appearance slurry portion of spinneret orifice.
4. the preparation method of the spinneret for the manufacture of Lyocell fiber according to claim 1, it is characterized in that, described three road red needles are made up of main paragraph, active section, tip three parts, main paragraph, active section, tip rounding off successively, 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 greater than the degree of depth of strand forming part, the length of main paragraph and active section and the thickness that is greater than metallic plate.
5. the preparation method of the spinneret for the manufacture of Lyocell fiber according to claim 1, is characterized in that, between described the 3rd step and the 4th step, implements polished and cleaned step.
6. the preparation method of the spinneret for the manufacture of Lyocell fiber according to claim 1, is characterized in that, implements to clean grinding steps between described the 4th step and the 5th step.
7. the preparation method of the spinneret for the manufacture of Lyocell fiber according to claim 1, it is characterized in that, described laser-beam welding machine comprises mobile platform, on mobile platform, be provided with universal dividing head, universal dividing head connects the first weld jig, and a side of the first weld jig is provided with the second weld jig; The clamping part top of the second weld jig is provided with laser machine head.
8. the preparation method of the spinneret for the manufacture of Lyocell fiber according to claim 1, is characterized in that, described spinneret orifice is dense distribution in cloth porose area, is distributed with and exceedes 10000 spinneret orifices on the metallic plate of 5000 ± 1000 square millimeters of areas.
9. the preparation method of the spinneret for the manufacture of Lyocell fiber according to claim 1, is characterized in that, described metallic plate adopts 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 |
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| 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 |
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| CN103962812A true CN103962812A (en) | 2014-08-06 |
| CN103962812B 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593420A (en) * | 2020-07-08 | 2020-08-28 | 厦门厦芝科技工具有限公司 | Spinneret orifice processing method of spinneret plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111593420A (en) * | 2020-07-08 | 2020-08-28 | 厦门厦芝科技工具有限公司 | Spinneret orifice processing method of spinneret plate |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103962812B (en) | 2016-08-17 |
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