CN211683392U - Integrally-formed extrusion die for producing side-emitting optical fibers - Google Patents
Integrally-formed extrusion die for producing side-emitting optical fibers Download PDFInfo
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- CN211683392U CN211683392U CN201922167882.1U CN201922167882U CN211683392U CN 211683392 U CN211683392 U CN 211683392U CN 201922167882 U CN201922167882 U CN 201922167882U CN 211683392 U CN211683392 U CN 211683392U
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Abstract
The utility model discloses an integrated into one piece's luminous optic fibre production extrusion tooling of side, include: the cladding splitting device is connected with a nozzle of the cladding extruder and is used for caching and extruding a plurality of strands of molten cladding; the core material stranding device is connected with a nozzle of the core material extruder and is used for buffering and extruding a plurality of strands of molten core materials, the sheath material stranding device extrudes the molten sheath materials into the core material stranding device, and the sheath materials are uniformly formed outside the core materials at an extrusion outlet of the core material stranding device. The utility model discloses have the beneficial effect that can extrude the luminous optic fibre of stranded side simultaneously.
Description
Technical Field
The utility model relates to an optic fibre product production and processing technology field. More specifically, the utility model relates to an integrated into one piece's side emitting optical fiber production extrusion tooling.
Background
The whole body light emitting fiber is usually a step polymer fiber, and the refractive index of the core material is higher than that of the sheath material. The core material is mostly made of transparent polymer or transparent organic matter. The side light optical fiber is also called a whole body light emitting optical fiber and can perform point light emitting and line light emitting; the material is soft and can be bent and shaped at will; the method is safe, energy-saving, environment-friendly and maintenance-free; water resistance and ultraviolet resistance; long service life and wide application range. The light is uniformly scattered along the length direction of the optical fiber, and the decoration effect is achieved by utilizing the halo.
The plastic optical fiber double-extrusion die with the authorization notice number of CN 2510272Y comprises a skin extrusion die and a core extrusion die, wherein the core extrusion die is arranged in the skin extrusion die. Although the mould realizes the one-step molding of the optical fiber core and the sheath, the mould has the following defects: when the die is used for producing optical fibers, only one optical fiber can be produced at the same time, so that the production efficiency is low, a large amount of production energy and labor resources are wasted, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses a still another purpose provides an integrated into one piece's luminous optic fibre production extrusion tooling of side, divides the melting core material to divide the vertical core material of extruding of stranded device into from cladding stranding device, and the cladding forms the luminous optic fibre of side of stranded integrated into one piece on the core material that the device divides the stranded core material to extrude, has the effect that improves production efficiency.
In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an integrally formed side-emitting optical fiber producing extrusion die, including:
the cladding splitting device is connected with a nozzle of the cladding extruder and is used for caching and extruding a plurality of strands of molten cladding;
the core material stranding device is connected with a nozzle of the core material extruder and is used for buffering and extruding a plurality of strands of molten core materials, the sheath material stranding device extrudes the molten sheath materials into the core material stranding device, and the sheath materials are uniformly formed outside the core materials at an extrusion outlet of the core material stranding device.
Preferably, the sheath extruder and the core extruder form an included angle of 90 degrees, and the sheath stranding device extrudes the molten sheath in the core stranding device in the vertical direction.
Preferably, the core material stranding device comprises a core material buffer section and two pairs of die heads uniformly arranged on the core material buffer section, and the core material buffer section is horizontally communicated with the two pairs of die heads.
Preferably, the die head comprises an outer die and an inner die, the inner die is installed in the outer die, the outer die is vertically communicated with the cladding stranding device, the inner die is horizontally communicated with the core material caching section, the cladding material is extruded by the outer die, and the core material is extruded by the inner die.
Preferably, the inner mold is a hollow conical structure, and the outer mold is a hollow cylindrical structure.
Preferably, the core material buffer section comprises a first core material buffer chamber and a pair of second core material buffer chambers, the first core material buffer chamber is horizontally communicated with a nozzle of the core material extruder, the pair of second core material buffer chambers are respectively horizontally communicated with the first core material buffer chamber, and the pair of die heads are respectively horizontally communicated with one of the second core material buffer chambers.
Preferably, the cladding stranding device comprises a pair of first cladding buffer chambers, two pairs of second cladding buffer chambers and two pairs of flow guide columns, the pair of first cladding buffer chambers are communicated with nozzles of the cladding extruder and are respectively distributed on two sides of two pairs of die heads in the vertical direction, one pair of second cladding buffer chambers are communicated with the first core buffer chamber located on the upper side, the other pair of second cladding buffer chambers are communicated with the first core buffer chamber located on the lower side, one end of each flow guide column is communicated with the second buffer section, and the other end of each flow guide column is communicated with the die heads.
Preferably, the core extruder comprises five temperature rising zones in series with a gradient of increasing temperature in sequence.
Preferably, the cladding extruder comprises four heating areas which are connected in series and have sequentially and gradiently increased temperature.
The utility model discloses at least, include following beneficial effect:
the cladding stranding device extrudes the molten cladding into the core material stranding device, and the cladding is uniformly formed outside the core material at an extrusion outlet of the core material stranding device, so that the side light-emitting optical fiber is integrally formed;
the two pairs of die heads are arranged, so that four side light-emitting optical fibers can be extruded simultaneously, and the production efficiency is improved;
the guide column vertically guides the molten leather into the die head, so that the contact time of the leather and the core is shortened, the temperature of the molten leather is kept, and the molten leather is not easy to solidify.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a cladding stranding device according to one embodiment of the present invention;
fig. 2 is a schematic structural diagram of a core material stranding device according to one embodiment of the present invention;
fig. 3 is a schematic structural diagram of a die head according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
In the description of the present invention, the terms "vertical", "horizontal", "inner", "outer", "upper", "lower", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-3, the utility model provides an integrated into one piece's luminous optic fibre in side production extrusion tooling, include:
the cladding stranding device 1 is connected with a nozzle of the cladding extruder 2 and is used for caching and extruding a plurality of strands of molten cladding and dividing the molten cladding into a plurality of strands, and the cladding stranding device 1 can obtain a plurality of strands of cladding once, so that the production time is shortened, and the production efficiency is improved;
the core material stranding device 3 is connected with a nozzle of the core material extruder 4 and is used for buffering and extruding a plurality of strands of molten core materials, the sheath material stranding device 1 extrudes the molten sheath materials into the core material stranding device 3, and the sheath materials are uniformly formed into a cladding layer outside the core materials at an outlet extruded by the core material stranding device 3.
In above-mentioned technical scheme, cladding is the fused cladding for the heating of cladding material extruder 2, gets into cladding stranding device 1, and the core material is the fused core material for the heating of core material extruder 4, gets into core material stranding device 3, and core material stranding device 3 is divided into the stranded with the fused core material and is extruded, and cladding stranding device 1 extrudes the fused cladding into the exit of core material stranding device 3, with the cladding of fused cladding on the core material of being extruded, the recooling solidification, the shaping of pulling forms integrated into one piece's side light-emitting fiber.
The cladding extruder 2 with core material extruder 4 is 90 degrees contained angles, cladding stranding device 1 extrudes into in the vertical direction of fused cladding in core material stranding device 3, and cladding extruder 2 and core material extruder 4 are 90 degrees contained angles and set up, make things convenient for cladding stranding device 1 and core material stranding device 3's cooperation to be connected, make in the cladding stranding device 1 fused cladding get into in the core material stranding device 3.
The core material stranding device 3 comprises a core material caching section 31 and two pairs of die heads 303 uniformly arranged on the core material caching section 31, the core material caching section 31 is horizontally communicated with the two pairs of die heads 303, four strands of divided core materials are arranged in the two pairs of die heads 303, and the core material caching section 31 and the two pairs of die heads 303 can extrude the molten core materials into four strands of core materials, so that the production time is saved.
The core material caching section 31 comprises a first core material caching chamber 301 and a pair of second core material caching chambers 302, the first core material caching chamber 301 is horizontally communicated with a nozzle of the core material extruder 4, the pair of second core material caching chambers 302 are respectively horizontally communicated with the first core material caching chamber 301, the pair of die heads 303 are respectively horizontally communicated with one of the second core material caching chambers 302, the core material caching section 31 divides the molten core material into two parts and four parts, the extruding speed and the extruding volume of the first core material caching chamber 301 and the second core material caching chambers 302 can realize adjustment and control of the size of a line diameter formed by the extruded core material, the core material caching section 31 is divided into the pair of second core material caching chambers 302, the volume of the second core material caching chambers 302 can be reduced, the core material is heated more uniformly, and the temperature of the core material is kept.
The die head 303 comprises an outer die 3032 and an inner die 3031, the inner die 3031 is installed in the outer die 3032, the outer die 3032 is vertically communicated with the leather material stranding device 1, the inner die 3031 is horizontally communicated with the core material buffer section 31, the leather material is extruded out by the outer die 3032, the core material is extruded out by the inner die 3031, the molten leather material directly enters the outer die 3032 from the vertical direction, the core material is extruded from the inner die 3031, the molten leather material in the outer die 3032 can be directly coated on the molten core material extruded from the inner die 3031, the contact time of the leather material and the core material is shortened, the temperature of the molten leather material is kept, and the molten leather material is not easy to solidify.
The inner mold 3031 is of a hollow conical structure, the inner mold 3031 extrudes core materials, the outer mold 3032 is of a hollow cylindrical structure, the outer mold 3032 extrudes leather materials, and after the core materials are extruded from the inner mold 3031, the leather materials cover the core materials.
The cladding dividing device comprises a pair of first cladding buffer chambers 101, two pairs of second cladding buffer chambers 102 and two pairs of guide columns 103, wherein the pair of first cladding buffer chambers 101 are communicated with nozzles of the cladding extruder 2 and are respectively distributed on two sides of two pairs of die heads 303 in the vertical direction, one pair of the second skin buffer chambers 102 communicates with the first core buffer chamber 301 located at the upper side, another pair of second skin buffer chambers 102 communicates with the first core buffer chamber 301 located at the lower side, one end of the guide post 103 is communicated with the second leather buffering chamber 102, the other end is communicated with the die head 303, the second leather buffering chamber 102 directly guides the melted leather into the external die 3032 through the guide post 103, the temperature of the molten cladding is ensured, the molten cladding of the second cladding buffer chamber 102 is extruded into a die head 303, the cladding extrusion operation is convenient to control, and the diameter of the side light-emitting optical fiber is easy to control.
The core material extruder 4 comprises five temperature rising areas which are connected in series and have sequentially and gradiently rising temperature, and the core material is sequentially and gradiently heated to keep the wire drawing performance of the core material.
The leather extruder 2 comprises four temperature rising areas which are connected in series and have gradually rising temperature, and the leather is sequentially and gradually heated to keep the wire drawing performance of the leather.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (9)
1. An integrated into one piece's side emitting optical fiber production extrusion tooling, its characterized in that includes:
the cladding stranding device (1) is connected with a nozzle of a cladding extruder (2) and is used for buffering and extruding a plurality of strands of molten cladding;
the core material stranding device (3) is connected with a nozzle of the core material extruder (4) and is used for buffering and extruding a plurality of strands of molten core materials, the sheath material stranding device (1) extrudes the molten sheath materials into the core material stranding device (3), and the sheath materials are uniformly formed into a cladding layer outside the core materials at an extrusion outlet of the core material stranding device (3).
2. The integrally formed extrusion die for producing side-emitting optical fibers according to claim 1, wherein the sheath extruder (2) is at an angle of 90 degrees to the core extruder (4), and the sheath stranding device (1) vertically extrudes the molten sheath into the core stranding device (3).
3. The integrally formed side-emitting optical fiber production extrusion die of claim 1, wherein the core material stranding device (3) includes a core material buffer section (31) and two pairs of die heads (303) uniformly arranged on the core material buffer section (31), and the core material buffer section (31) is horizontally communicated with the two pairs of die heads (303).
4. The integrally formed side-emitting optical fiber production extrusion die of claim 3, wherein the die head (303) comprises an outer die (3032) and an inner die (3031), the inner die (3031) is installed in the outer die (3032), the outer die (3032) is vertically communicated with the cladding stranding device (1), the inner die (3031) is horizontally communicated with the core material buffer section (31), the cladding is extruded through the outer die (3032), and the core is extruded through the inner die (3031).
5. The integrally formed side-emitting optical fiber production extrusion die of claim 4, wherein the inner mold (3031) is a hollow conical structure and the outer mold (3032) is a hollow cylindrical structure.
6. The integrally formed extrusion die for producing side-emitting optical fibers according to claim 3, wherein the core buffering section (31) comprises a first core buffering chamber (301) and a pair of second core buffering chambers (302), the first core buffering chamber (301) is horizontally communicated with a nozzle of the core extruder (4), the pair of second core buffering chambers (302) are respectively horizontally communicated with the first core buffering chamber (301), and the pair of dies (303) are respectively horizontally communicated with one of the second core buffering chambers (302).
7. The extrusion die for producing the integrally formed side-emitting optical fiber according to claim 3, wherein the cladding stranding device (1) comprises a pair of first cladding buffer chambers (101), two pairs of second cladding buffer chambers (102), and two pairs of flow guiding columns (103), the pair of first cladding buffer chambers (101) is communicated with the nozzle of the cladding extruder (2) and respectively distributed on two sides of the two pairs of die heads (303) in the vertical direction, one pair of second cladding buffer chambers (102) is communicated with the first core buffer chamber (301) located on the upper side, the other pair of second cladding buffer chambers (102) is communicated with the first core buffer chamber (301) located on the lower side, and one end of each flow guiding column (103) is communicated with the second cladding buffer chamber (102) and the other end is communicated with the die head (303).
8. The integrally formed extrusion die for producing a side-emitting optical fiber according to claim 1, wherein the core extruder (4) comprises five temperature-raising regions in series with sequentially gradient temperature rise.
9. The extrusion die for producing integrally formed side-emitting optical fibers according to claim 1, wherein the cladding extruder (2) comprises four temperature rising regions which are connected in series and have sequentially and gradiently rising temperatures.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922167882.1U CN211683392U (en) | 2019-12-06 | 2019-12-06 | Integrally-formed extrusion die for producing side-emitting optical fibers |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922167882.1U CN211683392U (en) | 2019-12-06 | 2019-12-06 | Integrally-formed extrusion die for producing side-emitting optical fibers |
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| CN211683392U true CN211683392U (en) | 2020-10-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948824A (en) * | 2019-12-06 | 2020-04-03 | 湖北森沃光电科技有限公司 | Integrally-formed extrusion die for producing side-emitting optical fibers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110948824A (en) * | 2019-12-06 | 2020-04-03 | 湖北森沃光电科技有限公司 | Integrally-formed extrusion die for producing side-emitting optical fibers |
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