CN212826741U - Double-end tight sleeve optical fiber extrusion die - Google Patents
Double-end tight sleeve optical fiber extrusion die Download PDFInfo
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- CN212826741U CN212826741U CN202021597209.8U CN202021597209U CN212826741U CN 212826741 U CN212826741 U CN 212826741U CN 202021597209 U CN202021597209 U CN 202021597209U CN 212826741 U CN212826741 U CN 212826741U
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Abstract
The utility model relates to an optic fibre extrusion tooling technical field, and disclose a tight cover optic fibre extrusion tooling of double-end, including the mold core, during the use, install the mold core inside the die sleeve, plastics for tight cover optic fibre cover is moulded gets into the extruder feed inlet through the material loading machine, the plastics fuse-element after the extruder heating is pushed and is got into the aircraft nose and is divided into two parts by the reposition of redundant personnel awl, even entering reposition of redundant personnel chamber, and extrusion moulding in the extrusion orifice department of reposition of redundant personnel chamber bottom, finally discharge from the discharge gate, meanwhile, the plastics fuse-element is followed the glue and is flowed the clearance injection, wrap up on the outer wall of optic fibre at the discharge gate via the toper chamber, form the sheath. When the optic fibre sheath was extruded, the arc lug of deformation inslot wall can form the arc wall on optic fibre outer wall sheath, effectively improves the wearability of optic fibre to improve its life, the utility model relates to a novelty, simple structure, the processing ease has once can extrude two optic fibres, has improved production efficiency, and the tight set optic fibre wearability of extruding is also better.
Description
Technical Field
The utility model relates to an optic fibre extrusion tooling technical field specifically is a tight set optic fibre extrusion tooling of double-end.
Background
Optical fiber cables generally consist of two or more optical fiber cores, the optical fiber cores are positioned in a protective covering layer and are covered by external sleeves made of PVC and other plastics, and normally, tight-buffered optical fibers are produced by adopting an extrusion type mold;
with the continuous growth of global optical communication market business, companies with lower manufacturing costs are more competitive. Currently, the production of tight-buffered optical fibers in the industry is carried out on a production line of a plastic-covered extrusion unit, only one tight-buffered optical fiber can be manufactured at one time, the production efficiency is low, the optical fibers extruded by a plurality of extrusion dies have poor wear resistance, and the service life is not long enough;
based on the above, the double-head tight-buffered optical fiber extrusion die is provided, which hopefully improves the production efficiency of the tight-buffered optical fiber and solves the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a tight cover optic fibre extrusion tooling of double-end possesses once can extrude two optic fibre, the better advantage of extruded optic fibre wearability.
(II) technical scheme
For realize above-mentioned once can extrude two optic fibre, the better purpose of extruded optic fibre wearability, the utility model provides a following technical scheme: a double-end tight-sleeved optical fiber extrusion die comprises a die sleeve and a die core, wherein a glue flow gap is formed in the die sleeve, a conical cavity is formed in the bottom of the glue flow gap, a discharge hole is formed in the bottom of the conical cavity, an installation plate is fixedly connected to the bottom of the die sleeve, a deformation groove is formed in the installation plate, and an arc-shaped convex block is fixedly connected to the inner wall of the deformation groove;
the die comprises a die core and is characterized in that a feed inlet is formed in the die core, a flow dividing cavity is formed in the bottom of the feed inlet, and an extrusion hole is formed in the bottom of the flow dividing cavity.
As a preferred technical scheme of the utility model, toper chamber and discharge gate all are provided with two, and two be provided with the toper dog between the toper chamber, the top of toper dog is provided with the flowing groove.
As an optimal technical scheme of the utility model, the outer wall swing joint of mounting panel has the bolt, the bottom of die sleeve seted up with bolt assorted thread groove.
As an optimized technical scheme of the utility model, the reposition of redundant personnel chamber is provided with two, and is provided with the reposition of redundant personnel awl between two reposition of redundant personnel chambers.
As an optimized technical proposal of the utility model, the vertical center line of the die sleeve and the vertical center line of the die core are coincided with each other.
As an optimized technical scheme of the utility model, the distance between the outer wall of inner wall in toper chamber and mold core reduces gradually.
(III) advantageous effects
Compared with the prior art, the utility model provides a tight set optic fibre extrusion tooling of double-end possesses following beneficial effect:
1. this tight cover optic fibre extrusion tooling of double-end, optic fibre material body get into the mold core from the feed inlet, are divided into two parts by the reposition of redundant personnel awl, even entering reposition of redundant personnel chamber to extrusion moulding in the extrusion orifice department of reposition of redundant personnel chamber bottom, finally discharge from the discharge gate, once can extrude two optic fibre, production efficiency is higher, has improved work efficiency.
2. According to the double-head tight-sleeved optical fiber extrusion die, plastic melt is injected from a glue flow gap and is wrapped on the outer wall of an optical fiber at the discharge port through the conical cavity to form a sheath. When the optical fiber sheath is extruded, the arc-shaped convex blocks on the inner wall of the deformation groove can form arc-shaped grooves on the outer wall sheath of the optical fiber, so that the wear resistance of the optical fiber is effectively improved, and the service life of the optical fiber is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of part B-B of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 4 is a bottom view of the deformation groove portion of the present invention.
In the figure: 1-die sleeve, 2-glue flow gap, 3-conical cavity, 4-discharge hole, 5-mounting plate, 6-bolt, 7-deformation groove, 8-arc projection, 9-die core, 10-feed inlet, 11-shunting cavity, 12-extrusion hole, 13-flow groove and 14-shunting cone.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a double-head tight-sleeve optical fiber extrusion die comprises a die sleeve 1 and a die core 9, wherein a glue flow gap 2 is formed inside the die sleeve 1, a conical cavity 3 is formed at the bottom of the glue flow gap 2, a discharge hole 4 is formed at the bottom of the conical cavity 3, an installation plate 5 is fixedly connected to the bottom of the die sleeve 1, a deformation groove 7 is formed inside the installation plate 5, and an arc-shaped bump 8 is fixedly connected to the inner wall of the deformation groove 7;
the die core 9 is provided with a feed inlet 10 inside, the bottom of the feed inlet 10 is provided with a shunting cavity 11, and the bottom of the shunting cavity 11 is provided with an extrusion hole 12.
In this embodiment, further, conical cavity 3 and discharge gate 4 all are provided with two, and are provided with the toper dog between two conical cavity 3, and the top of toper dog is provided with flowing groove 13, can extrude two optic fibre simultaneously, and production efficiency is higher.
In this embodiment, furthermore, the outer wall swing joint of mounting panel 5 has bolt 6, the bottom of die sleeve 1 seted up with bolt 6 assorted thread groove, mounting panel 5 passes through bolt 6 to be fixed in the bottom of die sleeve 1, and it is very firm to fix when needing to use, also convenient dismantlement when not needing to use, and, also can select different mounting panel 5 as required, the last arc lug 8 shape that warp in the groove 7 of mounting panel 5 can the free choice, include but not only be limited to the arc, also can be shapes such as rectangle, triangle-shaped.
In this embodiment, further, two shunting cavities 11 are provided, and a shunting cone 14 is provided between the two shunting cavities 11, so as to facilitate forming a sheath on two optical fibers.
In this embodiment, further, the vertical center line of the mold sleeve 1 and the vertical center line of the mold core 9 coincide with each other, so as to improve the tightness of the mold and prevent the mold from being dislocated to influence the quality of the optical fiber.
In this embodiment, furtherly, the distance between the inner wall of toper chamber 3 and the outer wall of mold core 9 reduces gradually, makes the pressure of moulding plastics glue more even, and the glue film of formation is also more level and smooth.
The utility model discloses a theory of operation and use flow:
when in use, the mold core 9 is arranged in the mold sleeve 1, then the optical fiber material body is introduced from the feed inlet 10, the introduced optical fiber material body is divided into two parts by the shunting cone 14, uniformly enters the shunting cavity 11, is extruded and molded at the extrusion hole 12 at the bottom of the shunting cavity 11, and is finally discharged from the discharge port 4;
meanwhile, the injection molding agent is injected from the glue flow gap 2 and is wrapped on the outer wall of the optical fiber at the discharge port 4 through the conical cavity 3 to form a sheath, and when the optical fiber with the sheath is discharged, the arc-shaped convex block 8 on the inner wall of the deformation groove 7 can scratch an arc-shaped groove on the outer wall sheath of the optical fiber, so that the wear resistance of the optical fiber is effectively improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a double-end tight cover optic fibre extrusion tooling, includes die sleeve (1) and mold core (9), its characterized in that: a glue flow gap (2) is formed in the die sleeve (1), a conical cavity (3) is formed in the bottom of the glue flow gap (2), a discharge hole (4) is formed in the bottom of the conical cavity (3), an installation plate (5) is fixedly connected to the bottom of the die sleeve (1), a deformation groove (7) is formed in the installation plate (5), and an arc-shaped bump (8) is fixedly connected to the inner wall of the deformation groove (7);
a feed inlet (10) is formed in the mold core (9), a flow dividing cavity (11) is formed in the bottom of the feed inlet (10), and an extrusion hole (12) is formed in the bottom of the flow dividing cavity (11).
2. The double-ended tight-buffered optical fiber extrusion die of claim 1, wherein: the discharge gate (4) all are provided with two in toper chamber (3), and two be provided with the toper dog between toper chamber (3), the top of toper dog is provided with flowing groove (13).
3. The double-ended tight-buffered optical fiber extrusion die of claim 1, wherein: the outer wall swing joint of mounting panel (5) has bolt (6), the bottom of die sleeve (1) seted up with bolt (6) assorted thread groove.
4. The double-ended tight-buffered optical fiber extrusion die of claim 1, wherein: the number of the diversion cavities (11) is two, and a diversion cone (14) is arranged between the two diversion cavities (11).
5. The double-ended tight-buffered optical fiber extrusion die of claim 1, wherein: the vertical center line of the die sleeve (1) and the vertical center line of the die core (9) are superposed with each other.
6. The double-ended tight-buffered optical fiber extrusion die of claim 1, wherein: the distance between the inner wall of the conical cavity (3) and the outer wall of the mold core (9) is gradually reduced.
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CN202021597209.8U CN212826741U (en) | 2020-08-04 | 2020-08-04 | Double-end tight sleeve optical fiber extrusion die |
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CN202021597209.8U CN212826741U (en) | 2020-08-04 | 2020-08-04 | Double-end tight sleeve optical fiber extrusion die |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115625868A (en) * | 2022-09-23 | 2023-01-20 | 四川天邑康和通信股份有限公司 | A Butterfly Optical Cable Production Device |
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2020
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115625868A (en) * | 2022-09-23 | 2023-01-20 | 四川天邑康和通信股份有限公司 | A Butterfly Optical Cable Production Device |
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