CN85105665A - Cable assembly autofrettage and carry out the apparatus of this method - Google Patents
Cable assembly autofrettage and carry out the apparatus of this method Download PDFInfo
- Publication number
- CN85105665A CN85105665A CN85105665.2A CN85105665A CN85105665A CN 85105665 A CN85105665 A CN 85105665A CN 85105665 A CN85105665 A CN 85105665A CN 85105665 A CN85105665 A CN 85105665A
- Authority
- CN
- China
- Prior art keywords
- heart yearn
- traction
- conduit
- rotation
- traction heart
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
A kind of continuous process of making cable assembly, a center traction heart yearn is arranged in the optical cable, press the cyclomorphosis sense of rotation, provide plastic conduit to the traction heart yearn then, put one or more optical fiber in the pipe, the synthetic resin sheath cover of an extrusion modling perhaps is provided to the traction heart yearn, has conduit to put into one or more optical fiber on it.Because the result of traction heart yearn rotation, the helix that synthetic resin sheath cover conduit and plastic conduit have been obtained the sense of rotation conversion changes.
Description
The relevant method of in a continuous process, making cable assembly of the present invention, this method comprises one or more optical fiber around a center traction heart yearn, the synthetic resin sheath condom that the traction heart yearn has an extrusion modling outside, groove is arranged on the surface, optical fiber is placed in the groove, perhaps optical fiber is placed in the plastic conduit loosely, pitch tube is bonded on the surface of traction heart yearn with bonding agent, conduit or be bonded at the variation that the pitch tube of traction on the heart yearn has helix, its spiral shell veer is pressed cyclomorphosis.
This method comprises the manufacturing of two types cable assembly.First type is called grooved core type, and second kind is called loose cast.All quite know for these two kinds.
General every conduit or plastic conduit all have only an optical fiber.But in each bar groove or pipe, also may use many optical fibers.At the synthetic resin sheath cover of the peripheral extrusion modling of heart yearn, the conduit of some stretching, extensions parallel to each other is arranged generally.Pine cast cable assembly also has situation similarly, and the plastic conduit of some stretching, extensions parallel to each other is generally arranged around heart yearn.Even the plastic conduit of several layers may be arranged around the heart yearn.
The helix variation of mutarotation veer also is called SZ and changes, or is called the SZ type.Groove or pipe are made SZ to be changed and is unusual difficulty.For example aspect the SZ variation that produces pipe, be the pipe winding disk subassembly around the traction heart yearn, conversion sense of rotation rotation regularly, this uses very complicated and expensive apparatus with regard to needs.
Announce in 52-126238 number at published Japanese patent application, narrated a kind of method of the plastic conduit with extruder manufacturing band SZ groove, extruder rotated to the left or to the right by the cycle.The rotation extruder makes this method both expensive and complicated.Maximum shortcoming is that extrusion speed is restricted, because after fast, because shearing effect, conduit is damaged by pressure or other distortion take place.
In US Patent specification the 4th, 201, narrated a kind of method in No. 899, use be the extruder of a kind of fixed (promptly not rotary), the nozzle of extruder has definite shape, can form conduit on the surface of the sheath cover of extrusion modling.The cooling of sheath cover, make it that the sclerosis of quite big degree be arranged then.With a twister sheath cover is twisted, twister has a disk around the rotation of sheath cover again.Talk the Fig. 4 and the conduit engagement that have some projections (seeing 19 among above-mentioned patent Fig. 4) may refer to United States Patent (USP) on the disk.Alternately rotation to the left or to the right of disk, put at sheath and to apply shearing, conduit is in the place of synthetic resin discharge nozzle as a result, and when synthetic resin has high-ductility, forms SZ and change.The further cooling of sheath cover, in groove, put into optical fiber then.
Shortcoming in the method that above-mentioned US Patent specification is announced is to cool off and carries out in two stages, is to cool off and carries out in two stages, must use the cooling duct that interruption is arranged.It is that this method has very harsh requirement that an even more serious shortcoming is arranged, and gets on because must be communicated to synthetic resin jet expansion zone to shearing.Can not do the shape of requirement with regard to the handlebar conduit like this or make the danger of its damage.
The purpose of this invention is to provide a kind of method, the shortcoming that unlikely appearance is above-mentioned.
First purpose of the present invention is to make the easing cable assembly, does not need to be provided with the pipe winding disk in company with rotation.
Second purpose is to make the grooved core type cable assembly, process velocity height, and the low restriction of speed that is not squeezed and overlaps around the synthetic resin sheath of heart yearn.In addition, this method should require not severe, being squeezed on the heart yearn synthetic resin sheath on every side, can avoid the damage and the distortion of groove when making the SZ groove.For the sheath cover that makes extrusion modling solidifies, also continual cooling system must might be used.
Use the class methods described in first section in this instructions, just can achieve the above object, be characterized as on heart yearn, add synthetic resin sheath cover or pipe before, the rotation of traction heart yearn, sense of rotation changed by the cycle, because the result of conduit that synthetic resin sheath puts and plastic conduit rotation has just made the variation that above-mentioned helix changes with sense of rotation.
The periodicity regurgitation of sense of rotation, the moment of wanting of can in officely what is the need for carries out.For example sense of rotation can be rotated a complete week (360 °) back regurgitation at pipe or groove, also can be at the rotating part circumference, and regurgitation after 180 ° for example.
Press a kind of ideal form of the method for the present invention's proposition, pipe and groove rotate some commentaries on classics to a direction, begin to use the phase sex reversal then.
As an example, earlier the helix of pipe or groove is changeed to the right or to anticlockwise 3-8, rotate 3-8 then to the left or to the right and change, to obtain variation.
The invention still further relates to the apparatus that carries out said method, this an apparatus or extruder is arranged, squeeze out one surround the traction heart yearn conduit sheath cover arranged, a paying out machine is arranged, optical fiber is placed in the conduit; A bonding agent dosage machine is perhaps arranged, provide layer of adhesive on the heart yearn originally drawing, and a dispenser arranged, fibre-optic plastic conduit is arranged, batch to the traction heart yearn that adhesive phase is arranged, being characterized as this apparatus has anchor clamps, be placed on the extruder front, or being placed on bonding agent dosage machine front, anchor clamps can rotate around the traction heart yearn, and runner are arranged the clamping of traction heart yearn.
In a desirable embodiment, runner is evenly distributed on traction heart yearn circumference, and the proper number of runner is exemplified as three.
In another desirable embodiment, runner links to each other with elastic arm, regulates the pressure of runner to the traction heart yearn with elastic arm.
Increase pressure and just can prevent sliding stop.And the position of runner can be regulated with the different-diameter of traction heart yearn.
Also have a kind of desirable embodiment, runner has recessed profile, adapts to the cylindrical surface of traction heart yearn.
Now be described in detail with reference to accompanying drawing by way of example, the accompanying drawing brief introduction is as follows:
Fig. 1 is the summary signal and the used apparatus of the method for the present invention's proposition,
Fig. 2 is the partial elevation view (anchor clamps) of Fig. 1 apparatus,
The cable assembly skeleton view of Fig. 3 for making by the method and apparatus of Fig. 1 and Fig. 2,
Fig. 4 another embodiment of method, and used apparatus for proposing by the present invention,
The cable assembly cut-open view of Fig. 5 for making with method and apparatus shown in Figure 4.
Steel traction of label 1 expression heart yearn among Fig. 1, its structure is exemplified as with its a large amount of this lines twisted together, the result, drawing heart yearn has suitable flexible.The left that the traction heart yearn is drawn continuously from Fig. 1 moves to right-hand, from anchor clamps 2, passes through one by one in extruder 3 and the wire dispenser 4 etc.Anchor clamps 2 have support 5, and conduction band groove 6 is arranged on it.Support 5 can be around the rotation of traction heart yearn, as shown in Figure 2.Support 5 has three arms 7, and runner 8 is arranged on its free end.Runner 8 has recessed profile 9 as shown in Figure 2, contacts and make it with traction heart yearn 1 to embed.By spring 10 and adjusting screw 11 can control arm the position, its result makes the pressure of 8 pairs of tractions of runner heart yearn 1 become adjustable and may command.The traction heart yearn that from anchor clamps 2, passes, by arm 7 driven rotary that runner 8 is arranged, its sense of rotation is pressed cyclomorphosis, thereby from left to right, or rotation from right to left.Preferably draw heart yearn and rotate some commentaries on classics to a direction, sense of rotation changes then, and the traction heart yearn just in the opposite direction, also rotates some commentaries on classics to the direction that changes.The suitable cycle that sense of rotation changes is to change after revolution 5-10 changes.Extruder 3 has a center pit 12, guiding traction heart yearn, and extruder follows the back at runner 8 closely.In extruder head 13.The sheath of cylindrical synthetic resin being provided for traction heart yearn 1 overlaps 14(referring to Fig. 3) because projection 15 is arranged, so the sheath cover has just had conduit 16(Fig. 3).The heating liquid synthetic resin provides by way of the passage 17 in squeezer 3.Because anchor clamps 2 drive result's (pressing the periodic change sense of rotation) of traction heart yearn 1 rotation, groove 16 has been obtained helix and has been changed 18, and the variation of its sense of rotation as shown in Figure 3.The traction heart yearn 1 of band synthetic resin sheath cover 14 cooled off by drawing in the cooling duct 19 of water filling.Utilize wire dispenser 4, optical fiber 20 is placed in the groove 16.Wire dispenser 4 has a location-plate 21, and is porose 22 on it, for the fiber 20 of emitting from wire spool 23 from wherein passing through.
Location-plate 21 links to each other with distributor plate 25 by a quill shaft 24, and distributor plate 25 has the flexible finger 26 of hollow.From optical fiber 20 lead-in grooves 16 that hollow refers to draw the bar 26, refer to that bar and groove 16 communicate and by groove 16 guiding.Wire dispenser 4 can be around 1 rotation of traction heart yearn.Other synthetic resin sheath cover or other sheaths overlap on the cable assembly that can be enclosed within formation again (Fig. 3).Can also form a large-scale optical cable to various cable assembly set bunchys.
In Fig. 2,3, with Fig. 1 components identical with the identical number of marking on a map.
Anchor clamps 2(Fig. 2) drives by motor pivot 28 with driving belt 27, do the rotation of changing direction.
The helix of the label 29 expression grooves 16 in Fig. 3 changes 18 sense of rotation change points.
The identical anchor clamps of label 2 among label 30 expression in Fig. 4 and Fig. 1.Anchor clamps 30 have support 31, conduction band groove 32, elastic arm 33, runner 34, spring 35, adjusting screw 36.
The layer of adhesive (not shown) provides with the surface of bonding agent dispenser 39 to traction heart yearn 37.Traction heart yearn 37 has been coated with after the glue-line from the teeth outwards, passes in the center pit 40 of lead ring 41.Lead ring 41 is porose in addition 42, places the optical fiber 44 of loose plastic conduit 43 to pass (Fig. 5) from the inside and supplies with to the traction heart yearn.The loose plastic conduit 43 of band fiber 44.Be bonded on the traction heart yearn 37.The plastic conduit 43 of band fiber 44 is emitted from fixing pipe winding disk 45, and pipe winding disk does not rotate around the traction heart yearn.Because the traction heart yearn is as previously discussed, do the rotation of periodically-varied sense of rotation, the helix that plastic conduit also has one-period to sexually revise direction changes.
Fig. 5 is the sectional view of the cable assembly made, and the wherein used number of marking on a map is identical with the label of corresponding assembly among Fig. 1.In the cable assembly of Fig. 5, can also increase sheath cover or encapsulation piece if desired.Can also form the bigger optical cable of volume to some cable assembly set bunchys.
Claims (6)
1, a kind of method of in continuous process, making cable assembly, this method is one or more optical fiber (among Fig. 1 20, among Fig. 5 44) around a center traction heart yearn (among Fig. 11, among Fig. 4 37) place, fiber can be placed on the lip-deep conduit of synthetic resin sheath cover (14) (16) lining around traction heart yearn (1) extruding shape shape, also fiber can be placed on loosely in the plastic conduit (43), pitch tube (43) is bonded on the surface of traction heart yearn (37) with bonding agent, conduit (16) and the pitch tube (43) that is bonded on the traction heart yearn (37) have the helix by the cyclomorphosis sense of rotation to change, be characterized as synthetic resin sheath cover (14) or pitch tube (43) before traction heart yearn (1 or 37) arranged around, earlier traction heart yearn (1 or 37) rotation, sense of rotation changed by the cycle, because the result of rotation, conduit that synthetic resin sheath puts and synthetic resin are in control the helix variation that rotation direction changes.
2, the method as being proposed in 1 of the claim the is characterized as pipe and conduit and rotates some commentaries on classics, retrograde rotation then to a direction.
3, carry out the used apparatus of method that proposes in 1 or the 2nd of the claim the, an apparatus or extruder (3) is arranged, squeeze out the sheath cover (14) in trough of belt road (16), be trapped among traction heart yearn (1) on every side, and a wire dispenser (4) is arranged, optical fiber (20) is placed on conduit (16) lining; A bonding agent dispenser (39) is perhaps arranged, coating adhesive layer on the traction heart yearn, and a dispenser arranged, the plastic conduit (43) that optical fiber (44) are arranged in the traction heart yearn (37) that adhesive phase is arranged is supplied with, be characterized as in extruder (3) front or there are anchor clamps (2 or 30) bonding agent dispenser (39) front, can rotate around traction heart yearn (1 or 37), and runner (8 or 34) is arranged, can use the clamping of traction heart yearn (1 or 37).
4,, be characterized as runner (8,34) and be evenly distributed on the circumference that draws heart yearn as 3 apparatuses that proposed of claim the.
5, as 3 of claims the or the 4th apparatus that is proposed, be characterized as runner (8 or 34) and be installed on the elastic arm (7 or 33), runner can be regulated with elastic arm the pressure of traction heart yearn.
6, the apparatus as proposing among claim the 3,4 or the 5th, characteristics are that runner (8 or 34) has the cylindrical surface of recessed profile and traction heart yearn to coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85105665.2A CN1004384B (en) | 1985-07-26 | 1985-07-26 | Process for mfg. optical cable packages and relative equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85105665.2A CN1004384B (en) | 1985-07-26 | 1985-07-26 | Process for mfg. optical cable packages and relative equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85105665A true CN85105665A (en) | 1987-01-28 |
| CN1004384B CN1004384B (en) | 1989-05-31 |
Family
ID=4794623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85105665.2A Expired CN1004384B (en) | 1985-07-26 | 1985-07-26 | Process for mfg. optical cable packages and relative equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1004384B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852847A (en) * | 2014-04-03 | 2014-06-11 | 烽火通信科技股份有限公司 | SZ stranding cable forming machine and method for realizing twist stopping |
-
1985
- 1985-07-26 CN CN85105665.2A patent/CN1004384B/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852847A (en) * | 2014-04-03 | 2014-06-11 | 烽火通信科技股份有限公司 | SZ stranding cable forming machine and method for realizing twist stopping |
| CN103852847B (en) * | 2014-04-03 | 2015-11-04 | 烽火通信科技股份有限公司 | SZ stranding machine and realization thereof hinder the method turned round |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1004384B (en) | 1989-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3507108A (en) | Method of producing s-z alternating twists and the apparatus therefor | |
| CN85108873A (en) | Be used to make the method and the production line of the ordinary optical fiber cable that has the open helix grooves cable core | |
| US4676054A (en) | Method and device for manufacturing an optical cable element | |
| CA1082435A (en) | Process and device for producing multi-wire power cables or lines provided with reversing lay | |
| US5060467A (en) | Cable core with a twisting channel, and laying optical fiber therein | |
| US6190583B1 (en) | Apparatus and method for making slotted rod for optical cable | |
| CN1042575C (en) | Reverse stranding apparatus | |
| CN85105665A (en) | Cable assembly autofrettage and carry out the apparatus of this method | |
| US4325214A (en) | Apparatus for stranding wire | |
| CN2169863Y (en) | Optical cable making machine | |
| CA2045320C (en) | Apparatus for reverse stranding and a method in connection with stranding and reverse stranding | |
| US4426837A (en) | Apparatus for stranding wire | |
| CN2241889Y (en) | Twisting device for tube-type SZ-twist strand optical cable cable-forming machine | |
| US4365469A (en) | SZ Twisting device for twisting elements of electric cables | |
| EP0031081A1 (en) | Apparatus for stranding wires | |
| CN1081827C (en) | Method and arrangement in connection with reverse stranding | |
| JP3266340B2 (en) | Self-supporting cable manufacturing equipment | |
| JP2996134B2 (en) | Manufacturing method of optical fiber cable with suspension wire | |
| CN116313316B (en) | Extruding and packing device for cable sheath of drag chain | |
| US5513487A (en) | Process and apparatus for reverse-twisting cable elements | |
| CN2495458Y (en) | Equipment for producing metal wire reinforced plastic tube | |
| JP3505298B2 (en) | SZ twisting method and apparatus for optical fiber | |
| GB2052585A (en) | Stranding Apparatus for Manufacturing Multi-layer Steel Cables, Particularly Steel Cord | |
| CN2713489Y (en) | Ultra-end type high-speed yarn-bundling device with one point bundled concentric crosses | |
| CA1178859A (en) | Apparatus for stranding wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |