CN202421592U - Rotary mould - Google Patents
Rotary mould Download PDFInfo
- Publication number
- CN202421592U CN202421592U CN2012200462577U CN201220046257U CN202421592U CN 202421592 U CN202421592 U CN 202421592U CN 2012200462577 U CN2012200462577 U CN 2012200462577U CN 201220046257 U CN201220046257 U CN 201220046257U CN 202421592 U CN202421592 U CN 202421592U
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- Prior art keywords
- mould
- rotary
- sizing
- die
- threading mould
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Abstract
The utility model discloses a rotary mould which comprises a rotary threading mould and a sizing mould. The sizing mould comprises a bell mouth and a sizing mould hole which are coaxial and communicated with each other. The rotary threading mould can be fit in the bell mouth of the sizing mould closely and rotate. A cavity is formed between the rotary threading mould and the sizing mould when the rotary threading mould is in close fit inside the bell mouth of the sizing mould. The rotary threading mould comprises a center threading hole and a plurality of side threading holes. A feed hole arranged in the sizing mould is communicated with the cavity formed between the rotary threading mould and the sizing mould. According to the technical scheme, optical cables can be stranded and waterproof and corrosion-resistant materials can be filled during the dynamic rotation process, excellent sealing performance of the optical cables can be achieved, and the waterproof and corrosion-resistant materials can be bonded with all internal components of the cables well and fill all gaps.
Description
Technical field
The utility model relates to a kind of equipment for preparing optical cable, and particularly a kind of rotary die for preparing the longitudinal sealing underwater optical cable belongs to the technical field of transmission of optical fiber communication, monitor signal or temperature measurement system.
Background technology
Underwater optical cable mainly is under the underwater environment condition in areas such as river, lake, shallow sea and coastal, island, to use.The long-term under water need of work that is suitable for of underwater optical cable meets some requirements, and for example: good moisture-proof anticorrosive erosion performance and good pressure resistance can wait.
The structure of the underwater optical cable of prior art mainly is made up of light unit, reinforcement and sheath.Light unit wherein is to use the structure that optical fiber is provided certain protection; Common underwater optical cable is employed in the modes such as internal lining pipe that metal or plastics are set in the cable configuration and protects the light unit not corroded and improve intensity; For example in recent years, stainless steel cast light unit was widely used because of having advantages such as good anti-corrosion is good, compressive property property is good, diameter is little.The reinforcement mode be in the light unit and metal is set or the internal lining pipe of plastics around twine the multilayer cross section and be circular reinforcement, steel-tape armouring etc.; It is used for resisting wall pressure that optical cable in use receives, stretching resistance etc., and the main waterproof material of optical cable is in the middle of the reinforcement outside light unit and protection tube.In addition; Be filled with in the space of optical cable inside and block water and anticorrosive; Usually usefulness be pitch, viscous filling material such as the cable cream that blocks water; And the sheath of optical cable is in case during because of external force or biological damage, and it is inner and break through viscous filling material and makes it distortion and produce the part gap to continue infiltration that water is easy to enter into because of pressure is excessive optical cable.The underwater optical cable of prior art exists defectives such as manufacturing cost height, complex structure, cable diameter are big, direction waterproof property difference.
In addition; In the prior art filling of pitch commonly used, the viscous filling materials such as cable cream that block water immersed after the stranded moulding of cable and realize in the corresponding viscous filling material; This filling mode; Though can improve for the certain pressure of packing material through the device for exerting of complicacy, but still be difficult to make the inner space of cable all to fill full packing material, thereby influence watertightness performance.
The utility model content
The technical matters that the utility model will solve is: provide a kind of and can implement to make optical cable to form the full packing structure, produce the rotary die of manufacturing approach of the optical cable of good direction waterproof performance.
In order to achieve the above object, the technical scheme of the utility model employing is:
Rotary die is characterized in that: comprise rotation threading mould and plug die; Said plug die comprises hydraucone and sizing nib coaxial and that connect; The outside of said rotation threading mould is identical with the bell mouth angle of plug die; The hydraucone that feasible rotation threading mould can fit snugly in plug die is interior and rotatable; And when rotation threading mould fits snugly in the hydraucone of plug die, form cavity between rotation threading mould and the plug die; Simultaneously; In rotation threading mould, also comprise a center through wires hole and several side through wires holes; Said center through wires hole is coaxial with the sizing nib, said several side through wires holes with concentrically ringed mode be distributed in the center through wires hole around and these several side through wires holes identical with angle between the through wires hole of center; In addition, in plug die, also be provided with charging hole, the cavity that forms between said charging hole and rotation threading mould and the plug die connects.
Adopt technique scheme, the utility model has reached following beneficial effect with respect to prior art:
Adopt this rotary die when making optical cable; Can realize stranded cable, block water and the filling of anticorrosive is in the dynamic process of heat fused, rotation, to carry out; The optical cable internal voids can all be filled to block water and anticorrosive; And can both finely bond with inner all members of cable, make optical cable inside form good hermetically sealed property structure.
Description of drawings
Below in conjunction with accompanying drawing the embodiment of the utility model is done further explanation, wherein:
Fig. 1 is the schematic cross-section of optical cable of preferred implementation preparation of the rotary die of the utility model;
Fig. 2 is the partial enlarged drawing of the light unit of embodiment shown in Figure 1;
Fig. 3 is the structural representation of the preferred implementation of the utility model rotary die;
Fig. 4 is the structural representation of panel of the rotation threading mould of embodiment shown in Figure 3.
Embodiment
Fig. 1-Fig. 2 shows is the optical cable of preferred implementation preparation of the rotary die of the utility model.
As shown in Figure 1, said optical cable comprises a light unit 4, stiffening device 5, twining package tape 7 and oversheath 8.Said stiffening device 5 comprises between center line 51, light unit stiffening device 53 outside the stiffening device 52 and one deck light unit: said center line 51 is that a cross section is circular reinforcement; Stiffening device 52 comprises five cross sections and is circular reinforcement between said smooth unit, and said smooth unit 4 and these five cross sections closely are placed on around the center line 51 with concentrically ringed mode for circular reinforcement; Stiffening device 53 comprises the reinforcement of 12 cross sections for circle outside the said smooth unit, and it closely is placed on stiffening device 52 outsides between light unit 4 and light unit.Need to prove that stiffening device 53 is not to be necessary outside the said smooth unit, and the number of plies can be multilayer also, arrange according to demand.In addition, said cross section is zinc-coated wire, alloy layer bullet wire, aluminum cald steel wire, FRP or kFRP for the reasonable embodiment of circular reinforcement.
Said water-proof jacket comprises the sheath that is coated on the waterproofing type in the cable outside by waterproof material, comprises twining package tape 7 and oversheath 8 specifically.Example as comparative optimization: the material of said oversheath 8 is plastics or rubber-plastic elastomer material; The material of said twining package tape 7 is waterstop or plastic sheeting, further plastic sheeting preferably.Plastic sheeting is when extruding oversheath, and the surplus temperature and the oversheath 8 that heat the back extruded material through extrusion molding bond together.
Be filled with in the space between light unit 4, stiffening device 5 and twining package tape 7 and block water and anticorrosive 6.This blocks water and anticorrosive 6 is hot melt adhesives.
In addition, can also be a kind of preferred to 4 propositions of light unit, referring to Fig. 2; Said smooth unit 4 is stainless steel cast light unit; It comprises stainless-steel tube 3 and optical fiber 1, and said optical fiber 1 is covered by in the stainless-steel tube 3, is filled with in the space in stainless-steel tube 3 to inhale the fine cream 2 of hydrogen.And in this embodiment, light unit 4 quantity in the optical cable can be 1 also can be many, and the example of comparative optimization is the 1-3 root.
Specify the preparation method of optical cable down through embodiment 1 below:
Embodiment 1:
Optical cable comprises:
2 light unit 4 comprise in every light unit 4: 24 optical fiber 1, inhale the stainless-steel tube 3 of the fine cream 2 of hydrogen, 3mm diameter;
Block water and the material of anticorrosive 6 is: hot melt adhesive;
Water-proof jacket comprises: twining package tape 7, polyurethane jacket 8.
Said preparation method comprises following steps:
The first step, employing common process carry out optical fiber 1, fine cream 2 bags of suction hydrogen in the inside of stainless-steel tube 3, process light unit 4.
Second step, melting heat melten gel also keep constant temperature;
The 3rd goes on foot, 5 steel wires and 2 light unit is contacted in rotary die with the hot melt adhesive of fusing;
The 4th step, with a steel wire to be axis around it synchronously stranded other 4 steel wires and 2 light unit; These other 4 steel wires and 2 light unit closely are placed on to around the steel wire of axis; In stranded process, make said other 4 steel wires and 2 light unit when moving ahead for the steel wire of axis also along steel wire rotation for axis;
The 5th step, cooling are solidified hot melt adhesive;
The 6th step, second step of repeating step, different was that the cable that solidifies with the 5th step is an axis to the 5th step, around it, closely placed 12 steel wires;
The 7th step, in the outermost of cable around one deck twining package tape;
The 8th goes on foot, extrudes oversheath.
Adopt such preparation method; Make inner all members of hot melt adhesive and cable can both fine bonding and be full of whole spaces; Watertight structure and material have also been taked in survey in the sheath, therefore make optical cable form solid-state full packing hermetically-sealed construction, produce good direction waterproof performance.Simultaneously the cable configuration that obtains of preparation method is simple, the cable diameter is little, has feature performance benefits such as corrosion-resistant, stretching resistance and compressive resistance, has improved the product quality and the reliability of optical cable, has reduced the manufacturing cost of underwater optical cable.
What Fig. 3-Fig. 4 showed is the preferred implementation of the rotary die of the utility model.As shown in Figure 3, the rotary die of this embodiment comprises rotation threading mould 11 and plug die 21; Said plug die 21 comprises hydraucone and sizing nib 23 coaxial and that connect; The outside of said rotation threading mould 11 is identical with the bell mouth angle of plug die 21; The hydraucone that feasible rotation threading mould 11 can fit snugly in plug die 21 is interior and rotatable; And when rotation threading mould 11 fits snugly in the hydraucone of plug die 21, formation cavity 25 between rotation threading mould 11 and the plug die 21; Simultaneously, in rotation threading mould 11, also comprise through wires hole 12.Said through wires hole 12 comprises a center through wires hole 121 and several side through wires holes 122; Said center through wires hole 121 is coaxial with sizing nib 23, said several side through wires holes 122 with concentrically ringed mode be distributed in center through wires hole 121 around (referring to Fig. 4) and this several side through wires holes 122 identical with angle between the center through wires hole 121; In addition, in plug die 21, also be provided with charging hole 22, the cavity 25 that forms between said charging hole 22 and rotation threading mould 11 and the plug die 21 connects.
As a kind of optimal way of this embodiment, said charging hole 22 is connected to constant temperature heating device 24.
As the another kind of optimal way of this embodiment, conventional heating, constant temperature, attemperator are placed in said plug die 21 outsides.
Rotary die below in conjunction with 2 pairs of these embodiments of embodiment is further explained.
Embodiment 2:
Optical cable comprises:
1 light unit 4 comprises in every light unit 1: 12 optical fiber 1, inhale the stainless-steel tube 3 of the fine cream 2 of hydrogen, 2.8mm diameter;
Block water and the material of anticorrosive 6 is: hot melt adhesive;
Water-proof jacket comprises: twining package tape 7, pe sheath 8.
Repeat to implement the preparation method of embodiment 1 in conjunction with rotary die, in addition also having any different is, stiffening device 53 outside the also unglazed in the present embodiment unit, thereby save above-mentioned the 6th step.Said preparation method comprises following steps:
The first step, prefabricated smooth unit;
Second goes on foot, in constant temperature heating device 24, hot melt adhesive is melted, and the hot melt adhesive of fusing gets into the cavity 25 of rotary dies through charging hole 22;
The 3rd step, process light unit and steel wire pass the through wires hole 12 that rotates threading mould 11, get into the inner chamber 25 of rotary die, contact with the hot melt adhesive of fusing.Wherein, a steel wire gets into center through wires hole 121, other steel wires and light unit approaching side through wires hole 122.Driven rotary threading mould 11 rotations synchronously during the wire twisting machine rotation, light unit and steel wire are twisted into cable core at the hydraucone and sizing nib 23 places of plug die 21; In the inner chamber 25 of rotary die; Light unit and steel wire rotate with central shaft steel wire along central shaft when moving ahead along hydraucone is oblique; Drive hot melt adhesive and be coated with the surface of shoe at light unit and every steel wire; Make cable outside surface and inner all gaps be full of hot melt adhesive, and unnecessary hot melt adhesive is drawn together continuation use in the inner chamber 25 at rotary die when the sizing nib 23 that cable passes through.
After the cable of the 4th step, process hot melt adhesive full packing sealing was walked out sizing nib 23, while the air that moves ahead cools, hot melt adhesive progressively solidified.
The 5th the step, in the outside of cable, around one deck twining package tape 7.
The 6th goes on foot, extrudes oversheath 8.
When using rotary die to implement the preparation method of the utility model; The hydraucone of rotation threading mould 11 and plug die 21 closely cooperates and also makes when rotation threading mould 11 rotates in plug die 21 hydraucones, plays inner chamber 25 effects that seal hot melting glue does not flow out rotary die simultaneously.
In addition, the reasonable thickness range of said rotation threading mould 11 is 10-50mm.
Combine accompanying drawing and embodiment that the utility model has been done detailed explanation above; But the utility model is not limited to this; The technician in any present technique field is in the ken that is possessed; Under the prerequisite of the utility model aim, can make various distortion and modification to it.
Claims (3)
1. rotary die is characterized in that: comprise rotation threading mould and plug die; Said plug die comprises hydraucone and sizing nib coaxial and that connect; The outside of said rotation threading mould is identical with the bell mouth angle of plug die; The hydraucone that feasible rotation threading mould can fit snugly in plug die is interior and rotatable; And when rotation threading mould fits snugly in the hydraucone of plug die, form cavity between rotation threading mould and the plug die; Simultaneously; In rotation threading mould, also comprise a center through wires hole and several side through wires holes; Said center through wires hole is coaxial with the sizing nib, said several side through wires holes with concentrically ringed mode be distributed in the center through wires hole around and these several side through wires holes identical with angle between the through wires hole of center; In addition, in plug die, also be provided with charging hole, the cavity that forms between said charging hole and rotation threading mould and the plug die connects.
2. rotary die according to claim 1 is characterized in that: said charging hole is connected to constant temperature heating device.
3. rotary die according to claim 1 and 2 is characterized in that: the thickness of said rotation threading mould is 10-50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200462577U CN202421592U (en) | 2012-02-14 | 2012-02-14 | Rotary mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200462577U CN202421592U (en) | 2012-02-14 | 2012-02-14 | Rotary mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421592U true CN202421592U (en) | 2012-09-05 |
Family
ID=46746340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200462577U Expired - Lifetime CN202421592U (en) | 2012-02-14 | 2012-02-14 | Rotary mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421592U (en) |
-
2012
- 2012-02-14 CN CN2012200462577U patent/CN202421592U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |