CN111646690B - Glass fiber wire drawing machine and wire breaking device thereof - Google Patents
Glass fiber wire drawing machine and wire breaking device thereof Download PDFInfo
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- CN111646690B CN111646690B CN202010627082.8A CN202010627082A CN111646690B CN 111646690 B CN111646690 B CN 111646690B CN 202010627082 A CN202010627082 A CN 202010627082A CN 111646690 B CN111646690 B CN 111646690B
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- cutting
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- glass fibers
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/08—Bushings, e.g. construction, bushing reinforcement means; Spinnerettes; Nozzles; Nozzle plates
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/10—Non-chemical treatment
- C03B37/16—Cutting or severing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The invention discloses a glass fiber drawing machine and a fiber cutting device thereof, wherein the fiber cutting device comprises a fiber cutting ring and at least one fiber cutting block which is fixedly arranged on the periphery of the fiber cutting ring along the circumferential direction so as to cut glass fibers, and the fiber cutting block arranged along the circumferential direction is favorable for quick fiber cutting; the periphery of the wire cutting ring is provided with a circular groove for winding glass fibers and a conical groove, the small-diameter end of the conical groove is adjacent to the circular groove to guide the glass fibers to be wound to the machine head, the arrangement of the conical groove can enable the glass fibers to be wound quickly, the glass fibers are prevented from being wound in the circular groove too much, and the reduction of waste wire amount is facilitated; all the wire cutting blocks are positioned between the circular ring groove and the conical groove, the periphery of the wire cutting ring is provided with a plurality of wire breaking grooves which extend along the axial direction and penetrate through the circular ring groove and the conical groove, and the wire breaking grooves are used for cutting off glass fibers. The glass fiber is cut by utilizing the two modes of the cutting block and the cutting groove, so that the glass fiber is prevented from being excessively wound on the cutting ring, the waste of the glass fiber is avoided, the waste silk amount is reduced, and the production cost is favorably reduced.
Description
Technical Field
The invention relates to the technical field of glass manufacturing, in particular to a glass fiber drawing machine and a wire breaking device thereof.
Background
Glass fiber production has developed into an independent industrial system, becomes a material with unique functions in a modern non-metallic material family, products containing the glass fiber can play unique properties in the aspects of machinery, electricity, optics, corrosion resistance, heat insulation, sound absorption and the like, and the application fields of the products are spread in various departments of national economy such as electronics, electrical appliances, traffic, buildings, aviation, aerospace, environmental protection, national defense and military industry and the like.
When the glass fiber is manufactured, a batch prepared by weighing and mixing a plurality of mineral raw materials such as pyrophyllite, quartz sand, limestone, dolomite, borocalcite, boromagnesite, fluorite, sepiolite, kaolin, spodumene and the like is conveyed to a kiln head bin, then the batch is put into a unit melting kiln by a spiral feeding machine to be melted into glass liquid, the melted glass liquid flows out from a melting part of the unit melting kiln and then enters a main passage to be clarified, homogenized and temperature conditioned, then flows into a liquid flowing groove through a transition passage and an operation passage respectively, flows out from a plurality of rows of porous platinum bushings to form the glass fiber, and finally is cooled by a cooler, coated with an impregnating compound by a monofilament oiling machine and drawn and wound into a spinning cake by a high-speed rotating drawing machine.
Two machine heads are usually arranged on a rotary table of the existing glass fiber drawing machine, and when the machine head at a winding position fully winds glass fibers, the rotary table needs to switch the glass fibers to the other machine head for winding. In order to facilitate the winding of the glass fiber, the end part of each machine head is provided with a wire breaking device for cutting off the glass fiber. The periphery of current disconnected silk device only is equipped with the waste silk ring that is used for holding the waste silk, and the waste silk ring is the ring form, and the periphery has a plurality of disconnected silk grooves that extend along the axial, only utilizes disconnected silk groove to be difficult to cut off the waste silk fast, causes the periphery winding of current disconnected silk device to have a large amount of waste silks, causes the wasting of resources, influences glass fiber's manufacturing cost.
Therefore, how to optimize the wire breaking device of the existing glass fiber drawing machine is a technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
In view of the above, the present invention provides a glass fiber drawing machine and a fiber cutting device thereof, wherein a fiber cutting ring is provided with a fiber cutting groove, and a fiber cutting block is further added to the fiber cutting ring, so that rapid fiber cutting can be realized by superimposing two fiber cutting modes, thereby effectively reducing waste fiber amount, avoiding resource waste, and facilitating production cost reduction.
The invention provides a wire cutting device of a glass fiber drawing machine, which comprises a wire cutting ring and at least one wire cutting block which is fixedly arranged on the periphery of the wire cutting ring along the circumferential direction to cut glass fibers, wherein the periphery of the wire cutting ring is provided with a circular groove for winding the glass fibers and a conical groove, the small-diameter end of the conical groove is adjacent to the circular groove to guide the glass fibers to be wound to a machine head, all the wire cutting blocks are positioned between the circular groove and the conical groove, and the periphery of the wire cutting ring is provided with a plurality of wire cutting grooves which extend along the axial direction and penetrate through the circular groove and the conical groove.
Preferably, the wire cutting ring is fixedly provided at the periphery thereof with an isolation ring for separating the circular groove from the conical groove, all the wire cutting blocks are fixedly arranged on the isolation ring along the circumferential direction, and all the wire cutting grooves penetrate through the isolation ring.
Preferably, the cutting block comprises a fixing plate fixed on the isolating ring by means of a fastening screw and a cutting plate for cutting off the glass fiber, the fixing plate is obliquely and fixedly connected with the cutting plate, and the cutting plate is perpendicular to the conical groove.
Preferably, one end of the circular groove, which is far away from the circular groove, is provided with a stop flange, and the outer diameter of the stop flange is larger than that of the circular groove.
Preferably, the bottom of the circular groove is provided with a guide groove for guiding the glass fiber to wind, and the guide groove is spiral.
Preferably, the cutting device also comprises a knife separating plate which is used for being fixedly arranged between the cutting wire ring and the cutting knife sleeve to separate the cutting wire ring and the cutting knife sleeve.
Preferably, the cutter head further comprises a connecting sleeve fixedly connected between the cutter sleeve and the cutter head.
Preferably, the cutting knife further comprises a limiting sleeve which is sleeved on the periphery of the cutting knife sleeve, abuts against between the wire cutting ring and the connecting sleeve and is used for limiting the position of the wire cutting ring.
Preferably, the outer periphery of the stop collar is conical.
The glass fiber drawing machine provided by the invention comprises a machine head and any one of the wire breaking devices, wherein the wire breaking device is fixedly arranged at the end part of the machine head.
Compared with the background art, the wire cutting device of the glass fiber drawing machine comprises a wire cutting ring and at least one wire cutting block, wherein all the wire cutting blocks are fixedly arranged on the periphery of the wire cutting ring along the circumferential direction and used for cutting glass fibers, and the wire cutting blocks arranged along the circumferential direction are favorable for quickly cutting wires; the periphery of the wire cutting ring is provided with a circular groove and a conical groove, the circular groove is used for winding glass fibers, the small-diameter end of the conical groove is adjacent to the circular groove and used for guiding the glass fibers to be wound to the machine head, the glass fibers can be quickly wound due to the arrangement of the conical groove, the glass fibers are prevented from being wound in the circular groove too much, and the reduction of waste wire amount is facilitated; all the wire cutting blocks are positioned between the circular ring groove and the circular cone groove, the periphery of the wire cutting ring is provided with a plurality of wire cutting grooves extending along the axial direction, all the wire cutting grooves penetrate through the circular ring groove and the circular cone groove, and the wire cutting grooves can also be used for cutting glass fibers. Therefore, the wire cutting device of the glass fiber drawing machine provided by the invention can simultaneously cut glass fibers by utilizing the wire cutting block and the wire cutting groove, and compared with the prior art of cutting wires only by utilizing the wire cutting groove, the wire cutting device can realize quick wire cutting by superposing two wire cutting modes, further avoid the situation that the glass fibers are wound on the wire cutting ring too much, avoid the waste of the glass fibers, reduce the waste wire amount and be beneficial to reducing the production cost.
The glass fiber drawing machine comprising the wire breaking device has the same beneficial effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of a wire breaking device of a glass fiber drawing machine according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the cutting ring and cutting sleeve of FIG. 1 after assembly;
FIG. 3 is a left side view of FIG. 2;
fig. 4 is a sectional view taken along line a-a in fig. 2.
The reference numbers are as follows:
the cutting device comprises a cutting ring 1, a cutting block 2, a cutting knife sleeve 3, a knife isolating plate 4, a connecting sleeve 5 and a limiting sleeve 6;
the device comprises a circular groove 11, a conical groove 12, a wire breaking groove 13, an isolation ring 14 and a stop flange 15;
a guide groove 111;
the plate 21 is cut.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific examples.
Referring to fig. 1 to 4, fig. 1 is a cross-sectional view of a wire breaking device of a glass fiber drawing machine according to an embodiment of the present invention; FIG. 2 is a cross-sectional view of the cutting ring and cutting sleeve of FIG. 1 after assembly; FIG. 3 is a left side view of FIG. 2; fig. 4 is a sectional view taken along line a-a in fig. 2.
The embodiment of the invention discloses a wire breaking device of a glass fiber drawing machine, which comprises a wire cutting ring 1, wherein the wire cutting ring 1 is arranged at the end part of a machine head, so that the wire cutting ring 1 rotates synchronously with the machine head. The invention also comprises at least one cutting block 2, and all the cutting blocks 2 are fixed on the periphery of the cutting ring 1 along the circumferential direction so as to cut the glass fiber by using the cutting blocks 2. The at least one cutting block 2 arranged along the circumferential direction is beneficial to realizing rapid cutting.
The periphery of the wire cutting ring 1 is provided with a circular groove 11 and a conical groove 12, the small-diameter end of the conical groove 12 is adjacent to the circular groove 11, the circular groove 11 is used for winding glass fibers, and waste wires are mainly wound in the circular groove 11. Conical flute 12 is used for guiding glass fiber winding to the aircraft nose, and the setting up of conical flute 12 can make glass fiber realize twining fast, avoids glass fiber too much to twine in ring groove 11, is favorable to reducing the scrap wire volume. The length of the circular groove 11, the length of the conical groove 12, and the taper of the conical groove 12 may be set according to actual conditions, and are not particularly limited herein.
All the cutting blocks 2 are positioned between the circular groove 11 and the conical groove 12, so that the cutting blocks 2 can play a cutting function, and can also be used for separating the circular groove 11 from the conical groove 12, so that the glass fiber wound on the circular groove 11 can be directly wound on the conical groove 12 after being cut by the cutting ring 1, and the glass fiber is wound on the machine head under the guidance of the conical groove 12.
The periphery of the wire cutting ring 1 is provided with a plurality of wire cutting grooves 13 extending along the axial direction, all the wire cutting grooves 13 penetrate through the circular groove 11 and the conical groove 12, and the wire cutting grooves 13 can also be used for cutting glass fibers. It should be noted that the wire cutting groove 13 needs to be arranged in a staggered manner with the wire cutting block 2 along the radial direction, so as to ensure that the wire cutting groove and the wire cutting block perform the wire cutting function at the same time. The thread cutting grooves 13 and the thread cutting blocks 2 are sequentially and alternately arranged along the circumferential direction.
In conclusion, the wire cutting device of the glass fiber drawing machine provided by the invention can simultaneously cut glass fibers by using the wire cutting block 2 and the wire cutting groove 13, and compared with the conventional method of cutting wires only by using the wire cutting groove 13, the wire cutting device provided by the invention adopts two wire cutting modes to be superposed, so that the rapid wire cutting can be realized, the glass fibers are further prevented from being excessively wound on the wire cutting ring 1, the waste of the glass fibers is avoided, the waste wire amount is reduced, and the production cost is favorably reduced.
In order to separate the circular groove 11 and the conical groove 12, the periphery of the cutting ring 1 is fixedly provided with an isolation ring 14, the isolation ring 14 is annular, and the outer diameter of the isolation ring 14 is larger than that of the circular groove 11 and larger than that of the small-diameter end of the conical groove 12. The isolating ring 14 is integrally arranged on the periphery of the cutting wire ring 1. All the cutting blocks 2 are fixedly arranged on the isolating ring 14 along the circumferential direction, and four cutting blocks 2 which are uniformly distributed are specifically fixed on the isolating ring 14. In order to realize smooth cutting, all the wire breaking grooves 13 also penetrate through the isolating ring 14, that is, each wire breaking groove 13 sequentially penetrates through the cylindrical groove, the isolating ring 14 and the conical groove 12 along the axial direction. Specifically, four wire breaking grooves 13 are formed outside the wire cutting ring 1, the cross section of each wire breaking groove 13 is in a T shape, and the depth of each wire breaking groove 13 is greater than the depth of the circular groove 11 and the depth of the conical groove 12. Of course, the number, structure and distribution of the filament breakage grooves 13 are not limited to these.
In this embodiment, the cutting block 2 comprises a fixing plate and a cutting plate 21, the fixing plate and the cutting plate 21 are integrally connected, the fixing plate is fixed on the isolating ring 14 by fastening screws, and the cutting plate 21 is used for cutting off glass fibers. The cutting plate 21 is provided with a V-shaped cutting groove. In order to realize rapid wire cutting, the fixed plate is obliquely and fixedly connected with the cutting plate 21, and the cutting plate 21 is vertical to the conical groove 12. Specifically, the included angle between the fixing plate and the cutting plate 21 is an obtuse angle, the cutting plate 21 is bent in a direction close to the conical groove 12, and the cutting plate 21 is perpendicular to the generatrix of the conical groove 12, but may not be perpendicular. The cutting plate 21 keeps a proper distance from the conical groove 12, and a certain space is reserved for winding the glass fiber to the conical groove 12. Of course, the structure of the cutting block 2 is not limited thereto.
In order to prevent the glass fibers from being separated from the circular groove 11, one end, far away from the circular groove 12, of the circular groove 11 is provided with a stopping flange 15, and the outer diameter of the stopping flange 15 is larger than that of the circular groove 11, so that the glass fibers are reliably wound to the circular groove 11 under the combined action of the stopping flange 15 and the isolating ring 14. The stop flange 15 is annular, and all the thread breakage grooves 13 necessarily pass through the stop flange 15.
Alternatively, the groove bottom of the circular groove 11 is provided with a guide groove 111 so as to guide the glass fiber to be wound around the circular groove 11 by using the guide groove 111. The depth of the guide groove 111 is close to the radius of the glass fiber, but is not limited thereto. The guiding groove 111 may be spiral, and may be composed of a plurality of V-shaped grooves distributed along the axial direction.
In order to facilitate the installation of the cutting knife, a cutting knife sleeve 3 is fixedly arranged in the cutting ring 1. In order to prevent the cutting knife sleeve 3 from being seriously worn, the invention also comprises a knife separation plate 4 fixedly arranged between the cutting wire ring 1 and the cutting knife sleeve 3, the knife separation plate 4 is used for separating the cutting wire ring 1 and the cutting knife sleeve 3, and the knife separation plate 4 can effectively prevent the cutting knife sleeve 3 from being worn, thereby being beneficial to delaying the service life of the cutting knife sleeve 3 and further prolonging the service life of the cutting knife. In this embodiment, two knife-separating plates 4 are symmetrically arranged in the cutting ring 1, but the structure of the knife-separating plates 4 is not limited to this.
The invention also comprises a connecting sleeve 5 fixedly connected between the cutter sleeve 3 and the machine head, which provides a condition for fixing the wire cutting ring 1 at the end part of the machine head. The connecting sleeve 5 is fixedly connected with the cutting knife sleeve 3 by a plurality of fastening screws, and the connecting sleeve 5 is fixedly connected with the machine head in an interference connection mode. Of course, the fastening manner between the connecting sleeve 5, the cutting knife sleeve 3 and the machine head is not limited to this.
The invention also comprises a limiting sleeve 6 sleeved on the periphery of the cutter sleeve 3, and two ends of the limiting sleeve 6 are respectively abutted against the wire cutting ring 1 and the connecting sleeve 5 so as to limit the position of the wire cutting ring 1. In order to facilitate the winding of the glass fiber on the machine head, the periphery of the limiting sleeve 6 is conical, the small-diameter end of the limiting sleeve 6 abuts against the large end of the conical groove 12, and the outer diameter of the small-diameter end of the limiting sleeve 6 is larger than that of the large end of the conical groove 12.
The invention also provides a glass fiber drawing machine, which comprises a machine head and the wire breaking device, wherein the wire breaking device is fixedly arranged at the end part of the machine head, and the glass fiber drawing machine has the same beneficial effects.
The glass fiber drawing machine and the wire breaking device thereof provided by the invention are described in detail, the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. The wire breaking device of the glass fiber drawing machine is characterized by comprising a wire cutting ring (1) and at least one wire cutting block (2) which is fixedly arranged on the periphery of the wire cutting ring (1) along the circumferential direction and used for cutting glass fibers, wherein the periphery of the wire cutting ring (1) is provided with a circular groove (11) for winding the glass fibers and a conical groove (12) with a small diameter end adjacent to the circular groove (11) and used for guiding the glass fibers to be wound to a machine head, all the wire cutting blocks (2) are positioned between the circular groove (11) and the conical groove (12), and the periphery of the wire cutting ring (1) is provided with a plurality of wire breaking grooves (13) which extend along the axial direction and penetrate through the circular groove (11) and the conical groove (12).
2. The wire breaking device of the glass fiber drawing machine according to claim 1, wherein a separation ring (14) for separating the circular groove (11) from the conical groove (12) is fixedly arranged on the periphery of the wire cutting ring (1), all the wire cutting blocks (2) are fixedly arranged on the separation ring (14) along the circumferential direction, and all the wire breaking grooves (13) penetrate through the separation ring (14).
3. The device for breaking glass fibers of a glass fiber drawing machine according to claim 2, wherein the cutting block (2) comprises a fixing plate for fixing to the spacer ring (14) by means of a fastening screw and a cutting plate (21) for breaking glass fibers, the fixing plate is obliquely and fixedly connected with the cutting plate (21), and the cutting plate (21) is perpendicular to the conical groove (12).
4. The wire breaking device of the glass fiber drawing machine according to claim 1, wherein one end of the circular groove (11) far away from the conical groove (12) is provided with a stop flange (15), and the outer diameter of the stop flange (15) is larger than that of the circular groove (11).
5. The device for breaking glass fibers of a drawing machine according to any one of claims 1 to 4, wherein the bottom of the circular groove (11) is provided with a guide groove (111) for guiding the glass fibers to be wound, and the guide groove (111) is helical.
6. The device for breaking glass fibers of a drawing machine according to any one of claims 1 to 4, further comprising a knife separating plate (4) for being fixedly arranged between the cutting ring (1) and the cutting knife sleeve (3) to separate the cutting ring and the cutting knife sleeve.
7. The wire breaking device of the glass fiber drawing machine according to claim 6, further comprising a connecting sleeve (5) for being fixedly connected between the cutter sleeve (3) and a machine head.
8. The wire breaking device of the glass fiber drawing machine according to claim 7, further comprising a limiting sleeve (6) sleeved on the periphery of the cutter sleeve (3) and abutted between the wire cutting ring (1) and the connecting sleeve (5) for limiting the position of the wire cutting ring (1).
9. The device for breaking glass fibers of a drawing machine according to claim 8, wherein the outer circumference of the stop collar (6) is conical.
10. A glass fiber drawing machine, comprising a head and the wire breaking device of any one of claims 1 to 9, wherein the wire breaking device is fixedly arranged at the end of the head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627082.8A CN111646690B (en) | 2020-07-02 | 2020-07-02 | Glass fiber wire drawing machine and wire breaking device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010627082.8A CN111646690B (en) | 2020-07-02 | 2020-07-02 | Glass fiber wire drawing machine and wire breaking device thereof |
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| Publication Number | Publication Date |
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| CN111646690A CN111646690A (en) | 2020-09-11 |
| CN111646690B true CN111646690B (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010627082.8A Active CN111646690B (en) | 2020-07-02 | 2020-07-02 | Glass fiber wire drawing machine and wire breaking device thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114988696A (en) * | 2022-06-28 | 2022-09-02 | 杭州天启机械有限公司 | Expansion piece forced expansion device for glass fiber drawing machine head |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045196A (en) * | 1976-10-06 | 1977-08-30 | Ppg Industries, Inc. | Method and apparatus for chopping glass strands |
| CN208561281U (en) * | 2018-05-31 | 2019-03-01 | 巨石集团有限公司 | A kind of wire-drawing machine head end cap |
| CN209082236U (en) * | 2018-10-30 | 2019-07-09 | 苏州力佳新型材料有限公司 | A kind of sub-wire broken yarn device |
-
2020
- 2020-07-02 CN CN202010627082.8A patent/CN111646690B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045196A (en) * | 1976-10-06 | 1977-08-30 | Ppg Industries, Inc. | Method and apparatus for chopping glass strands |
| CN208561281U (en) * | 2018-05-31 | 2019-03-01 | 巨石集团有限公司 | A kind of wire-drawing machine head end cap |
| CN209082236U (en) * | 2018-10-30 | 2019-07-09 | 苏州力佳新型材料有限公司 | A kind of sub-wire broken yarn device |
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| CN111646690A (en) | 2020-09-11 |
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