CN105500662B - A kind of optical cable loose tube shrinkage compensating device of optical fiber secondary mould set - Google Patents
A kind of optical cable loose tube shrinkage compensating device of optical fiber secondary mould set Download PDFInfo
- Publication number
- CN105500662B CN105500662B CN201511002027.5A CN201511002027A CN105500662B CN 105500662 B CN105500662 B CN 105500662B CN 201511002027 A CN201511002027 A CN 201511002027A CN 105500662 B CN105500662 B CN 105500662B
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- Prior art keywords
- wheel
- loose tube
- lower pressure
- optical cable
- return pulley
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- 230000003287 optical effect Effects 0.000 title claims abstract description 30
- 239000013307 optical fiber Substances 0.000 title claims abstract description 15
- 230000001360 synchronised effect Effects 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/267—Intermediate treatments, e.g. relaxation, annealing or decompression step for the melt
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a kind of optical cable loose tube shrinkage compensating device of optical fiber secondary mould set, including frame, drive mechanism, linear speed synchronous drive mechanism, pressing wheel mechanism, upper and lower hoisting mechanism, the pressing wheel mechanism includes at least one lower pressure wheel, at least one return pulley, the number of the lower pressure wheel is equal with the number of return pulley, the lower pressure wheel and return pulley are driven by linear speed synchronous drive mechanism, lower pressure wheel and return pulley is connected with Loose tube the linear velocity V of contact1 It is identical, and both linear velocity V1More than the main hauling speed V of optical cable loose tube2.The present invention is by setting linear velocity consistent lower pressure wheel and return pulley, and its linear velocity is higher than the hauling speed of optical cable, make the present apparatus by it is a kind of lead drag in a manner of drag spring thimble, in to a certain degree and offset Loose tube shrinkage factor, so as to ensure the stability of optical fiber remaining length in Loose tube, the quality of production and speed of production of optical cable are improved.
Description
Technical field
The present invention relates to a kind of optical cable loose tube shrinkage compensating device of optical fiber secondary mould set.
Background technology
Fiber secondary coating technique is to select suitable high polymer material, using extrusion process, in rational process conditions
Under, a Loose tube suitable with fiber lengths is put to optical fiber, because Loose tube has shrinkage, the Loose tube of shaping only fills perhaps
In a smaller range, traditional handicraft is only capable of in relatively low speed and the control of material lesser degree of contraction limited casing shrink
To reach requirement, but exempt from ointment dry type environmental protection cover in the material of the higher and larger retractility of speed of production, particularly high-speed production
Guan Shi, because now dry sleeve shrinkage is larger, traditional mode of production mode can not control the shrinkage factor of Loose tube rational
In the range of, so as to influence the quality of production of Loose tube and production efficiency.
The content of the invention
The technical problems to be solved by the invention are that providing one kind for above-mentioned the shortcomings of the prior art can control
The shrinkage factor of Loose tube, ensure the stable optical cable loose tube of optical fiber excess length presses draw-gear.
The technical solution adopted in the present invention is：Optical cable loose tube shrinkage compensating device, it is characterised in that：Including frame,
Drive mechanism in frame, linear speed synchronous drive mechanism, pressing wheel mechanism, upper and lower hoisting mechanism are installed in, the drive mechanism is driven
Moving-wire speed synchronous drive mechanism, the pressing wheel mechanism include at least one lower pressure wheel, at least one return pulley, of the lower pressure wheel
Number is equal with the number of return pulley, and the lower pressure wheel and return pulley are driven by linear speed synchronous drive mechanism, make lower pressure wheel and return pulley and
Loose tube connects the linear velocity V of contact1 It is identical, and both linear velocity V1More than the main hauling speed V of optical cable loose tube2 , on
Lower hoisting mechanism is installed in frame, for adjusting the spacing between lower pressure wheel and return pulley.
By above-mentioned technical proposal, the pressing wheel mechanism also includes upper bracket and lower carriage, and the lower pressure wheel is installed in branch
On frame, the return pulley is installed on lower carriage, and one end of the hoisting mechanism up and down is connected with frame, the other end and upper bracket phase
Even.
By above-mentioned technical proposal, precision gap position adjusting mechanism is additionally provided with frame, for accurate adjustment lower pressure wheel
Spacing between return pulley, supporting plate that the precision gap position adjusting mechanism includes being fixedly connected with frame, lead to supporting plate
Screw rod, the baffle plate being fixedly connected in screw rod lower end of screw thread arranging are crossed, the baffle plate is located at the upper bracket of pressing wheel mechanism
Lower section.
By above-mentioned technical proposal, the hoisting mechanism up and down includes the lift cylinder being installed in frame, the lifting air
The tailpiece of the piston rod of cylinder is connected with the upper bracket of pressing wheel mechanism.
By above-mentioned technical proposal, the linear speed synchronous drive mechanism is double-faced toothed ribbon line speed synchronous drive mechanism.
By above-mentioned technical proposal, the lower pressure wheel is two, is divided into preceding lower pressure wheel and rear lower pressure wheel, and the return pulley is two
It is individual, it is divided into preceding return pulley and rear return pulley, forms four synchronizing wheel optical cable loose tube shrinkage compensating devices.
By above-mentioned technical proposal, the driving that the linear speed synchronous drive mechanism includes with driving motor output shaft is connected is synchronous
Take turns, be symmetricly set on two of both sides below driving synchronizing wheel and tighten up wheel, transmission synchronizing wheel on symmetrically arranged two, be symmetrical arranged
Two underdrive synchronizing wheels, tighten up wheel, timing belt under symmetrically arranged two, the timing belt is after driving synchronizing wheel, both sides point
Not through above tighten up wheel inner side, on the outside of upper transmission synchronizing wheel, on the inside of underdrive synchronizing wheel, under tighten up wheel outside after tighten；Described two
Upper transmission synchronizing wheel drives preceding lower pressure wheel and rear lower pressure wheel respectively, and the two underdrives synchronizing wheel drives preceding return pulley and rear bottom respectively
Wheel.
By above-mentioned technical proposal, V1 -V2 / V2 =2%~5%。
By above-mentioned technical proposal, the wheel face V-type shape of the lower pressure wheel and return pulley.
By above-mentioned technical proposal, water receiving tank is configured with below Loose tube, security protection dress is also configured with frame
Put.
The beneficial effect of patent of the present invention is：1st, it is of the invention by setting linear velocity consistent lower pressure wheel and return pulley, and
Its linear velocity be higher than optical cable hauling speed, make the present apparatus by it is a kind of lead drag in a manner of drag spring thimble, in a certain degree and support
Disappear the shrinkage factor of Loose tube, so as to ensure the stability of optical fiber remaining length in Loose tube, improves the quality of production and the life of optical cable
Produce speed；2nd, for the present invention by setting four contact rollers, formation presses wheel for two groups up and down, and Loose tube and contact point of the present invention are become
For two compression points, in the case of each point is not increased compacting degree, exponentially added with superposition and lead drag, reliability
Greatly improve, can be high speed steady production optical cable pine in the case where meeting the technological requirements such as the circularity of sleeve pipe, wall thickness, physical dimension
Casing product provides possibility.3rd, it is rational to adjust between lower pressure wheel and return pulley by setting precision gap position adjusting mechanism
Spacing, avoid both from being contacted with Loose tube too tight or excessively loose, contact tension, easily make Loose tube extruding optical fiber, influence optical fiber
Performance, contacted pine, and easily skidded when drawing Loose tube, influence the operating efficiency of the present apparatus, thus, by setting the mechanism
Further increase the reliability of the present invention.4th, the wheel face of lower pressure wheel and return pulley is arranged to concave shape, further prevent its with
Loose tube skids when contacting, and improves the practical performance of the present invention.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of the present invention.
Fig. 2 is the structure chart of pressing wheel mechanism in the present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, a kind of optical cable loose tube shrinkage compensating device of optical fiber secondary mould set is present embodiments provided,
It is described including frame 17, the drive mechanism being installed in frame, linear speed synchronous drive mechanism, pressing wheel mechanism, upper and lower hoisting mechanism
Drive mechanism includes motor 1, and pressing wheel mechanism includes upper bracket 12, the lower carriage 10 being installed in frame, in upper bracket 12
On at least provided with a lower pressure wheel, at least provided with a return pulley, the number of the lower pressure wheel and the number of return pulley on lower carriage
Equal, the linear speed synchronous drive mechanism is distributed on upper bracket 12 and lower carriage 10, and is matched with the output shaft of motor 1
If the lower pressure wheel and return pulley are driven by linear speed synchronous drive mechanism, lower pressure wheel and return pulley is set to connect with Loose tube contact
Linear velocity V1 It is identical, and both linear velocity V1More than the main hauling speed V of optical cable loose tube 82；The hoisting mechanism bag up and down
The lift cylinder 15 being installed in frame 17 is included, the tailpiece of the piston rod of the lift cylinder 15 is connected with upper bracket 12, passes through control
The flexible of 15 cylinders is lifted, so as to control the spacing between upper bracket 12 and lower carriage 10, further adjusts lower pressure wheel and return pulley
Spacing.Wherein, motor 1 can be servomotor, and the electric control gear is used for the rotating speed for controlling motor, so as to logical
Linear speed synchronous drive mechanism control lower pressure wheel and the difference of return pulley linear velocity and Loose tube hauling speed are crossed, both formation is led and drags,
Loose tube is resisted because of self-characteristic and caused by larger natural shrinking, avoid it from forming optical fiber and extrude, so as to ensure more than optical fiber
Long stability.Because the Loose tube of the present invention before not being fully crystallized lead dragging, there is bosh both sides of the invention
Device, therefore, water receiving tank 18 is configured with below Loose tube, conveniently catches the cooling water on Loose tube.
In the present embodiment, for the spacing between accurate adjustment lower pressure wheel and return pulley, precision gap is additionally provided with frame
Position adjusting mechanism, prevent two pinch rollers by the too tight or too loose of Loose tube pressure.The precision gap position adjusting mechanism include with
Supporting plate 14 that frame is fixedly connected with, the screw rod 16 that is arranged with supporting plate 14 by screw thread, it is fixedly connected in the lower end of screw rod 16
Baffle plate 13, the baffle plate 13 are located at the lower section of upper bracket 12.At work, screw rod 16 is first carried out to the adjustment of precision, made
Baffle plate 13 then controls the piston rod of lift cylinder 15 to stretch out positioned at the position of setting, so as to drive upper bracket 12 and with pushing
Wheel moves downward, and after upper bracket 12 props up baffle plate 13, shows the position for regulation lower pressure wheel and the optimum bit of return pulley spacing
Put, so that thrust control of two pinch rollers to Loose tube 8 is in the reasonable scope.
In the present embodiment, the lower pressure wheel is two, is divided into preceding lower pressure wheel 17 and rear lower pressure wheel 6, and the return pulley is two,
It is divided into preceding return pulley 11 and rear return pulley 7, forms four synchronizing wheel optical cable loose tube shrinkage compensating devices.The linear speed synchronous drive mechanism
For double-faced toothed ribbon line speed synchronous drive mechanism, its driving synchronizing wheel 2 for including being connected with driving motor output shaft, symmetrically set
Put and tighten up wheel 4 on two of the both sides below the driving synchronizing wheel, be driven under synchronizing wheel 5, symmetrically arranged two on symmetrically arranged two
Wheel 9, timing belt 3 are tightened up under drive coordination wheel, symmetrically arranged two, engaging tooth, each synchronization are equipped with the two sides of timing belt 3
Wheel periphery is equipped with the tooth being meshed with timing belt 3, and each synchronizing wheel is supported by corresponding axle, and the timing belt 3 passes through
After driving synchronizing wheel 2, both sides are respectively through above tightening up the inner side of wheel 4, the upper outside of transmission synchronizing wheel 5, underdrive synchronizing wheel inner side, lower receipts
The outside of bearing up pulley 9；Synchronizing wheel 5 is driven on described two and drives preceding lower pressure wheel 17 and rear lower pressure wheel 6, the two underdrives synchronizing wheel respectively
Preceding return pulley 11 and rear return pulley 7 are driven respectively.
Loose tube in the present embodiment is dry type Loose tube, lead dragging before Loose tube is not fully crystallized, so as to reach
To the purpose for the expansion and contraction for largely controlling Loose tube, i.e., by setting linear velocity consistent lower pressure wheel and return pulley, and its line
Speed is higher than the hauling speed of optical cable, in the present embodiment, preferably controls V1 -V2 / V2 =2% ~ 5%, in a certain degree and offset
The shrinkage factor of Loose tube, so as to ensure the stability of optical fiber remaining length in Loose tube, to meet that high-speed production fills hydrogel formula
Loose tube and the production requirement that factice for filling material making full-dry optical cable loose tube is substituted with air.
Claims (9)
- A kind of 1. optical cable loose tube shrinkage compensating device of optical fiber secondary mould set, it is characterised in that：Including frame, it is installed in machine Drive mechanism, linear speed synchronous drive mechanism on frame, pressing wheel mechanism, upper and lower hoisting mechanism, the drive mechanism driving linear speed are same Walk transmission mechanism, the pressing wheel mechanism includes two lower pressure wheels and two return pulleys, two lower pressure wheels be divided into preceding lower pressure wheel and afterwards under Pinch roller, two return pulleys are divided into preceding return pulley and rear return pulley, form four synchronizing wheel optical cable loose tube shrinkage compensating devices, the lower pressure wheel Driven with return pulley by linear speed synchronous drive mechanism, lower pressure wheel and return pulley is connected with Loose tube the linear velocity V of contact1 It is identical, And both linear velocity V1More than the main hauling speed V of optical cable loose tube2 , upper and lower hoisting mechanism is installed in frame, for adjusting Save the spacing between lower pressure wheel and return pulley.
- 2. optical cable loose tube shrinkage compensating device according to claim 1, it is characterised in that the pressing wheel mechanism also includes Upper bracket and lower carriage, the lower pressure wheel are installed on upper bracket, and the return pulley is installed on lower carriage, the elevator up and down One end of structure is connected with frame, and the other end is connected with upper bracket.
- 3. optical cable loose tube shrinkage compensating device according to claim 1 or 2, it is characterised in that be additionally provided with frame Precision gap position adjusting mechanism, for the spacing between accurate adjustment lower pressure wheel and return pulley, the precision gap position adjustment Supporting plate that mechanism includes being fixedly connected with frame, the screw rod arranged with supporting plate by screw thread, it is fixedly connected in screw rod lower end Baffle plate, the baffle plate are located at the lower section of the upper bracket of pressing wheel mechanism.
- 4. optical cable loose tube shrinkage compensating device according to claim 1 or 2, it is characterised in that the elevator up and down Structure includes the lift cylinder being installed in frame, and the tailpiece of the piston rod of the lift cylinder is connected with the upper bracket of pressing wheel mechanism.
- 5. optical cable loose tube shrinkage compensating device according to claim 1 or 2, it is characterised in that the linear speed synchronously passes Motivation structure is double-faced toothed ribbon line speed synchronous drive mechanism.
- 6. optical cable loose tube shrinkage compensating device according to claim 1, it is characterised in that the linear speed Synchronous Transmission machine Structure include be connected with driving motor output shaft driving synchronizing wheel, be symmetricly set on drive synchronizing wheel lower section both sides two on tighten up Take turns, tighten up wheel on symmetrically arranged two under transmission synchronizing wheel, symmetrically arranged two underdrives synchronizing wheel, symmetrically arranged two, be same Band is walked, the timing belt is after driving synchronizing wheel, and both sides are respectively through above tightening up wheel inner side, upper transmission synchronizing wheel outside, underdrive On the inside of synchronizing wheel, under tighten up wheel outside after tighten；Synchronizing wheel is driven on described two and drives preceding lower pressure wheel and rear lower pressure wheel, institute respectively State two underdrive synchronizing wheels and drive preceding return pulley and rear return pulley respectively.
- 7. optical cable loose tube shrinkage compensating device according to claim 1 or 2, it is characterised in that V1 -V2 / V2 =2%~ 5%。
- 8. optical cable loose tube shrinkage compensating device according to claim 1 or 2, it is characterised in that the lower pressure wheel and bottom The wheel face of wheel is V-type shape.
- 9. optical cable loose tube shrinkage compensating device according to claim 1 or 2, it is characterised in that in the lower section of Loose tube Water receiving tank is configured with, the pressing wheel mechanism periphery in frame is configured with safety device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002027.5A CN105500662B (en) | 2015-12-29 | 2015-12-29 | A kind of optical cable loose tube shrinkage compensating device of optical fiber secondary mould set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002027.5A CN105500662B (en) | 2015-12-29 | 2015-12-29 | A kind of optical cable loose tube shrinkage compensating device of optical fiber secondary mould set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105500662A CN105500662A (en) | 2016-04-20 |
| CN105500662B true CN105500662B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511002027.5A Active CN105500662B (en) | 2015-12-29 | 2015-12-29 | A kind of optical cable loose tube shrinkage compensating device of optical fiber secondary mould set |
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| CN (1) | CN105500662B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106273338B (en) * | 2016-10-31 | 2019-03-19 | 珠海汉胜科技股份有限公司 | A kind of production method of casing and press formula traction device |
| CN107186994B (en) * | 2017-06-09 | 2019-09-06 | 烽火通信科技股份有限公司 | A kind of extruding traction device of optical cable loose tube |
| CN111890671A (en) * | 2020-08-03 | 2020-11-06 | 上海千一科技股份有限公司 | Special traction device for high-speed optical fiber secondary coating production line |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1371740A (en) * | 1973-03-29 | 1974-10-23 | Standard Telephones Cables Ltd | Coating optical fibres |
| CN100368843C (en) * | 1998-12-29 | 2008-02-13 | 普雷斯曼电缆及系统能源有限公司 | Method and apparatus for manufacturing optical fibre cable and cable so manufactured |
| CN102346286B (en) * | 2011-11-21 | 2013-06-26 | 江苏江扬电缆有限公司 | Manufacturing method of full-dry optical cable loose tube |
| CN103203854B (en) * | 2013-03-18 | 2016-08-03 | 江阴爱科森通信材料有限公司 | A kind of process of MODIFIED PP material secondary coating |
| CN104228040B (en) * | 2014-08-15 | 2016-06-08 | 汕头高新区奥星光通信设备有限公司 | A kind of optical fiber loose tube process units and operation principle thereof |
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| CN105500662A (en) | 2016-04-20 |
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Effective date of registration: 20230825 Address after: 112007 Yaobao Industrial Park, Tieling County Industrial Park, Tieling City, Liaoning Province Patentee after: CHANGFEI OPTICAL FIBER AND CABLE SHENYANG Co.,Ltd. Patentee after: SHANTOU HIGH-TECH ZONE AOXING OPTICAL COMMUNICATION EQUIPMENT Co.,Ltd. Address before: 112007 Yaobao Industrial Park, Tieling County Industrial Park, Tieling City, Liaoning Province Patentee before: CHANGFEI OPTICAL FIBER AND CABLE SHENYANG Co.,Ltd. |
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Effective date of registration: 20240507 Address after: 515041 No. 15, Keji East Road, Shantou high tech Zone, Shantou City, Guangdong Province Patentee after: SHANTOU HIGH-TECH ZONE AOXING OPTICAL COMMUNICATION EQUIPMENT Co.,Ltd. Country or region after: China Address before: 112007 Yaobao Industrial Park, Tieling County Industrial Park, Tieling City, Liaoning Province Patentee before: CHANGFEI OPTICAL FIBER AND CABLE SHENYANG Co.,Ltd. Country or region before: China Patentee before: SHANTOU HIGH-TECH ZONE AOXING OPTICAL COMMUNICATION EQUIPMENT Co.,Ltd. |
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