CN204295999U - A kind of indoor cable sheath production mould - Google Patents
A kind of indoor cable sheath production mould Download PDFInfo
- Publication number
- CN204295999U CN204295999U CN201420790425.2U CN201420790425U CN204295999U CN 204295999 U CN204295999 U CN 204295999U CN 201420790425 U CN201420790425 U CN 201420790425U CN 204295999 U CN204295999 U CN 204295999U
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- cable core
- cable
- die cap
- hole
- conduit
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Abstract
The utility model relates to optical fiber cable manufacturing equipment technical field, especially a kind of indoor cable sheath production mould is related to, include and be assembled in core rod on extruder head and die cap, core rod has through mesopore and nozzle, the extrusion of nozzle periphery and die cap is formed extrudes gap, die cap is connected on extruder head by securing member, mould also includes the cable core conduit of hollow, this cable core tube at one end passes the through mesopore of core rod and stretches out outside die cap, the cable core conduit other end is then threaded connection fixture, and fixture is assembled on extruder head; One end circumference stretching out die cap of described cable core conduit is provided with through hole, and through hole is communicated with the middle guide hole of cable core conduit.During the utility model is produced, through hole on cable core catheter wall makes to have stable pressure in the cable core after entering extruder head, making the plastics extruded can not be adjacent to cable core because producing negative pressure, effectively preventing cable core and sheath from sticking together and affecting the temperature performance of sheath stripping performance and optical cable.
Description
Technical field
The utility model relates to optical fiber cable manufacturing equipment technical field, especially relates to a kind of indoor cable sheath production mould.
Background technology
Indoor optical cable, due to the difference of use occasion and using method, there is numerous version, wherein a class formation is the type without band between cable core and sheath, this kind of structure optical cable, easily there is sheath and the phenomenon of core member phase adhesion by the sheath production technology of routine, affect temperature performance and the workability of optical cable, cause product qualified rate low.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art, and provide a kind of indoor cable sheath production mould, structure is simple, easy enforcement, gained sheath rounding, uniform wall thickness, solve core member and sheath adhesion problems, product temperature performance is good, and product qualified rate is high.
For achieving the above object, the utility model adopts following technical scheme:
A kind of indoor cable sheath production mould, include and be assembled in core rod on extruder head and die cap, core rod has through mesopore and nozzle, the extrusion of nozzle periphery and die cap is formed extrudes gap, extrude gap to be communicated with the charging aperture of extruder head, die cap is connected on extruder head by securing member, described mould also includes the cable core conduit of hollow, this cable core tube at one end passes the through mesopore of core rod and stretches out outside die cap, the cable core conduit other end is then threaded connection fixture, and fixture is assembled on extruder head; One end circumference stretching out die cap of described cable core conduit is provided with through hole, and through hole is communicated with the middle guide hole of cable core conduit.
Such scheme is further: described cable core conduit sections design, and have construction section and extension, extension is pipe structure, axially be socketed on construction section by tight fit, and dock with the axis hole of construction section, to form the passage of walking for cable core, through hole is arranged on the end of extension; Described construction section is provided with external screw thread and the first groove, and this external screw thread is threaded with the internal thread hole on fixture, and the first groove is communicated with the through mesopore of core rod; The inner periphery of the nozzle of described core rod has many second grooves uniformly.
When the mould that the utility model provides is implemented, successively core rod, die cap, fixture are mounted in extruder head, cable core conduit utilizes screw thread and fixture threaded engagement, successively through fixture, core rod to stretch out die cap outer and be in level, by rotating one end of the nearly screw thread of cable core conduit, its other end of adjustable stretches out the length of die cap to OK range.In production, cable core passes extruder head from cable core conduit, through hole on cable core catheter wall makes to have stable pressure in the cable core after entering extruder head, make the plastics extruded can not be adjacent to cable core because producing negative pressure, and cable core conduit stretches out the plastics of portion retards high temperature fused state and the contact of cable core of die cap, effectively prevents cable core and sheath from sticking together and affecting the temperature performance of sheath stripping performance and optical cable.Simultaneously, on second groove of supravasal first groove of cable core and core rod nozzle and cable core conduit, through hole circumferentially communicates with outside air, maintain air pressure balance, the gas preventing cable core from bringing into too much causes sheath play bag or break, and ensures to extrude rear sheath rounding, external diameter is stablized.
A utility model again advantage is that structure is simple, and scientific and reasonable, cost of investment is low, easily makes assembling, easy maintenance, meets industry and utilizes, and the cable jacket surface quality of production is better, and uniform wall thickness is adjustable.
accompanying drawing illustrates:
Accompanying drawing 1 is the utility model preferred embodiment structural representation;
Accompanying drawing 2 is the cable core guide-tube structure schematic diagram of Fig. 1 embodiment;
Accompanying drawing 3 is the mold insert structure schematic diagram of Fig. 1 embodiment.
detailed description of the invention:
Be described further below with reference to the technique effect of accompanying drawing to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.
Consult shown in Fig. 1,2,3, the utility model is about a kind of indoor cable sheath production mould, include and be assembled in core rod 2 on extruder head 1 and die cap 3, core rod 2 has through mesopore 21 and nozzle 22, the extrusion of nozzle 22 periphery and die cap 3 is formed extrudes gap 4, extrudes gap 4 and is communicated with the charging aperture 11 of extruder head 1.Die cap 3 is connected on extruder head 1 by securing member 31, and securing member 31 is by the mode such as screw thread or screw connecting extruder head 1.Described mould also includes the cable core conduit 5 of hollow, and this cable core conduit 5 one end is passed the through mesopore 21 of core rod 2 and stretched out outside die cap 3, and cable core conduit 5 other end is then threaded connection fixture 6, and fixture 6 is assembled on extruder head 1; One end circumference stretching out die cap 3 of described cable core conduit 5 is provided with through hole 521, and through hole 521 is communicated with the middle guide hole of cable core conduit 5.Cable core penetrates from one end of cable core conduit 5, pass from the other end, through hole 521 on cable core conduit 5 wall makes to have stable pressure in the cable core after entering extruder head 1, make the plastics extruded can not be adjacent to cable core because producing negative pressure, and cable core conduit 5 stretches out the plastics of portion retards high temperature fused state and the contact of cable core of die cap 3, effectively prevents cable core and sheath from sticking together and affecting the temperature performance of sheath stripping performance and optical cable.
Shown in Fig. 1,2,3, the further optimal design of the utility model is: by cable core conduit 5 segment design, has construction section 51 and extension 52, is convenient to processing and fabricating; Extension 52 is pipe structure, is axially socketed on construction section 51, and docks with the axis hole of construction section 51 by tight fit, and to form the passage of walking for optical fiber, through hole 521 is arranged on the end of extension 52, is circumferentially uniformly distributed, and obtains effect of well giving vent to anger.Described construction section 51 is provided with external screw thread 511 and the first groove 512, this external screw thread 511 is threaded with the internal thread hole 61 on fixture 6, and the first groove 512 is communicated with the through mesopore 21 of core rod 2, the inner periphery of the nozzle 22 of core rod 2 has many second grooves 221 uniformly, second groove 221 is formed with the first groove 512 and is communicated with, maintain air pressure balance, the gas preventing cable core from bringing into too much causes sheath play bag or break, and ensures to extrude rear sheath rounding, external diameter is stablized.
When the mould that the utility model provides is implemented, successively core rod 2, die cap 3, fixture 6 are mounted in extruder head 1, cable core conduit 5 utilizes screw thread 511 to coordinate with fixture screw thread 61, successively through fixture 6, core rod 2 to stretch out die cap 3 outer and be in level, by rotating one end of the nearly screw thread of cable core conduit 5, its other end of adjustable stretches out the length of die cap 3 to OK range.In production, cable core passes extruder head 1 from cable core conduit 5, through hole 521 on cable core conduit 5 wall makes to have stable pressure in the cable core after entering extruder head 1, make the plastics extruded can not be adjacent to cable core because producing negative pressure, and cable core conduit 5 stretches out the plastics of portion retards high temperature fused state and the contact of cable core of die cap 3, effectively prevents cable core and sheath from sticking together and affecting the temperature performance of sheath stripping performance and optical cable.Simultaneously, on the first groove 512 on cable core conduit 5 and the second groove 221 of core rod nozzle 22 and cable core conduit 5, through hole 521 circumferentially communicates with outside air, maintain air pressure balance, the gas preventing cable core from bringing into too much causes sheath play bag or break, and ensures to extrude rear sheath rounding, external diameter is stablized.
Although describe preferred embodiment of the present utility model by reference to the accompanying drawings above-mentioned, the utility model should not be restricted to and above description and the identical structure of accompanying drawing and operation.Concerning those skilled in the art; also can make many improvement and change to above-described embodiment when not exceeding the utility model design and scope by logical analysis, reasoning, or a limited experiment, but these improve and change all should belong to the claimed scope of the utility model.
Claims (2)
1. an indoor cable sheath production mould, include and be assembled in core rod (2) on extruder head (1) and die cap (3), core rod (2) has through mesopore (21) and nozzle (22), the extrusion of nozzle (22) periphery and die cap (3) is formed extrudes gap (4), extrude gap (4) to be communicated with the charging aperture (11) of extruder head (1), die cap (3) is connected on extruder head (1) by securing member (31), it is characterized in that: described mould also includes the cable core conduit (5) of hollow, this cable core conduit (5) one end is passed the through mesopore (21) of core rod (2) and is stretched out die cap (3) outward, cable core conduit (5) other end is then threaded connection fixture (6), fixture (6) is assembled on extruder head (1), one end circumference stretching out die cap (3) of described cable core conduit (5) is provided with through hole (521), and through hole (521) is communicated with the middle guide hole of cable core conduit (5).
2. one according to claim 1 indoor cable sheath production mould, it is characterized in that: described cable core conduit (5) segment design, there are construction section (51) and extension (52), extension (52) is pipe structure, axially be socketed on construction section (51) by tight fit, and dock with the axis hole of construction section (51), to form the passage of walking for cable core, through hole (521) is arranged on extension (52) end; Described construction section (51) is provided with external screw thread (511) and the first groove (512), and this external screw thread (511) is threaded with the internal thread hole (61) on fixture (6), and the first groove (512) is communicated with the through mesopore (21) of core rod (2); The inner periphery of the nozzle (22) of described core rod (2) has many second grooves (221) uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420790425.2U CN204295999U (en) | 2014-12-15 | 2014-12-15 | A kind of indoor cable sheath production mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420790425.2U CN204295999U (en) | 2014-12-15 | 2014-12-15 | A kind of indoor cable sheath production mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204295999U true CN204295999U (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420790425.2U Active CN204295999U (en) | 2014-12-15 | 2014-12-15 | A kind of indoor cable sheath production mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204295999U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607198A (en) * | 2016-03-01 | 2016-05-25 | 山东太平洋光纤光缆有限公司 | 8-shaped optical cable longitudinal forming die |
| CN109016443A (en) * | 2018-08-01 | 2018-12-18 | 芜湖市崇兴乐塑胶有限公司 | A kind of extrusion die for plastic sheath production |
| CN113103543A (en) * | 2021-04-14 | 2021-07-13 | 滁州市美创塑胶科技有限公司 | Production process of internal decorative strip of household appliance refrigerator |
-
2014
- 2014-12-15 CN CN201420790425.2U patent/CN204295999U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607198A (en) * | 2016-03-01 | 2016-05-25 | 山东太平洋光纤光缆有限公司 | 8-shaped optical cable longitudinal forming die |
| CN109016443A (en) * | 2018-08-01 | 2018-12-18 | 芜湖市崇兴乐塑胶有限公司 | A kind of extrusion die for plastic sheath production |
| CN113103543A (en) * | 2021-04-14 | 2021-07-13 | 滁州市美创塑胶科技有限公司 | Production process of internal decorative strip of household appliance refrigerator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |