CN109665374B - Optical fiber zero-damage device for tension screening machine - Google Patents
Optical fiber zero-damage device for tension screening machine Download PDFInfo
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- CN109665374B CN109665374B CN201710963962.0A CN201710963962A CN109665374B CN 109665374 B CN109665374 B CN 109665374B CN 201710963962 A CN201710963962 A CN 201710963962A CN 109665374 B CN109665374 B CN 109665374B
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- screening machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/30—Arrangements to facilitate driving or braking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/32—Optical fibres or optical cables
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Tension Adjustment In Filamentary Materials (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to the technical field of optical fiber screening, in particular to an optical fiber zero-damage device for a tension screening machine, which comprises a tension screening machine brake device and an optical fiber collecting device, wherein the tension screening machine brake device is arranged on a take-up unit/a pay-off unit of the tension screening machine, the optical fiber collecting device is arranged on the take-up unit of the tension screening machine, the tension screening machine brake device comprises a brake bracket, a brake shaft, a brake flying disc and a clamping jaw, and the optical fiber collecting device comprises a broken fiber collecting box, a first baffle, a second baffle and a guide key. The invention solves the technical problems of longer length of the optical fiber pumped into the take-up reel and large fiber broken end whipping force caused by longer take-up reel braking time in the existing tension screening machine; the broken fiber can be effectively collected, the drift of the fiber caused by inertia is guided and limited, the whip of the broken fiber on the take-up reel can be completely prevented, the cost is saved, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of optical fiber screening, in particular to an optical fiber zero-damage device for a tension screening machine.
Background
The tension screening machine (prior art, not shown in the figure) can be used for optical fiber screening tests and optical fiber rewinding, the conventional tension screening machine mainly comprises a pay-off unit, a tension screening unit, a take-up unit, an optical fiber tension guide wheel and the like, the take-up unit and the pay-off unit are driven by servo motors, and the motors are connected to a driver. The optical fiber is broken due to the fact that the strength of the weak point of the optical fiber cannot bear the tension in the tension screening or rewinding process, after the optical fiber is broken, a motor of a take-up unit of the tension screening machine cannot be stopped immediately due to large inertia, the broken end of the optical fiber is sucked into a take-up reel, and therefore the optical fiber wound on the take-up reel is whipped, and the optical fiber is damaged.
The defects and shortcomings of the existing equipment are as follows:
1) after the fiber is broken, the brake time of the take-up reel is longer, the section of the fiber with the distance between the break point and the take-up reel cannot be completely retracted into the take-up reel, the broken end of the fiber is very easy to be drawn into the take-up reel, and the take-up reel is severely whipped;
2) the existing common anti-whiplash cover for the take-up end has small protection area and can only protect a small part of optical fibers on the surface of the take-up reel;
3) after fiber breakage, the tail end of the optical fiber can cross the whip preventing cover due to inertia and whip the take-up reel, so that the surface of the take-up reel is broken, and the strength and the service life of the optical fiber are influenced;
4) the fiber breakage collecting device without a take-up end and the optical fiber path guiding device cause that the direction of the fiber whip after fiber breakage is uncertain, and the whipping range is wider;
5) and cutting operation is needed after fiber breakage, so that the production efficiency is reduced, and the optical fiber is wasted.
Disclosure of Invention
The invention aims to solve the technical problem of providing an optical fiber zero-damage device for a tension screening machine, and solves the problems that the braking time is longer when the existing tension screening machine takes in wires, and the section of the optical fiber, which is the break point and is far away from a take-up reel when the fibers are broken, whips the take-up reel after being flapped due to inertia.
In order to solve the technical problem, the invention provides an optical fiber zero damage device for a tension screening machine, which comprises a tension screening machine brake device and an optical fiber collecting device, wherein the tension screening machine brake device is arranged on a take-up unit/a pay-off unit of the tension screening machine, the optical fiber collecting device is arranged on the take-up unit of the tension screening machine, the tension screening machine brake device comprises a brake support, a brake shaft, a brake flying disc and clamping jaws, the brake shaft is arranged on the brake support, the brake shaft is connected with a motor of the take-up unit of the tension screening machine, the brake flying disc is arranged on the brake shaft, the clamping jaws are arranged on the tension screening machine, clamping ports corresponding to the brake flying disc are arranged on the clamping jaws, the optical fiber collecting device comprises a broken fiber collecting box, a first baffle, a second baffle and a guide key, the broken fiber collecting box is used for guiding the path of an optical fiber and collecting broken fibers at the take-up unit during take-up, the first baffle is used for preventing the optical fiber from whipping the take-up reel from one side after whipping, the second baffle is used for preventing the optical fiber from whipping the take-up reel from the other side after whipping, and the guide key is used for guiding the path of the optical fiber during fiber breaking.
As an optimized scheme of the invention, the brake device of the tension screening machine further comprises a pneumatic/hydraulic brake, and the clamping jaw is arranged at the free end of the pneumatic/hydraulic brake.
As an optimized scheme of the invention, the tension screening machine brake device further comprises a tension sensor, the tension sensor is installed at an optical fiber tension guide wheel of the tension screening machine, and the tension sensor is connected with an electromagnetic valve of a pneumatic/hydraulic brake.
As an optimized scheme of the invention, the broken fiber collecting box comprises a broken fiber inlet and a broken fiber outlet, the broken fiber inlet is arranged on the right side surface of the broken fiber collecting box, and the broken fiber outlet is a through hole arranged on the left side surface of the broken fiber collecting box.
As an optimized scheme of the invention, the brake bracket comprises a base and support plates, the support plates are arranged at two ends of the base, the brake flying disc is positioned between the two support plates, and the upper part of the support plate is provided with a through hole for mounting a brake shaft.
As an optimized scheme of the invention, the brake bracket also comprises reinforcing plates which are arranged on two sides of the supporting plate, and the reinforcing plates are fixed with the base and the supporting plate.
As an optimized scheme of the invention, the base is T-shaped, the lower part of the base is provided with a threaded hole parallel to the through hole, and the threaded hole penetrates through the base.
As an optimized scheme of the invention, the first baffle comprises a first connecting plate and a first inclined plate, and the first inclined plate is connected to one side of the first connecting plate.
As an optimized scheme of the invention, the second baffle plate comprises a second connecting plate, a second inclined plate, a third inclined plate and a movable baffle plate, the second inclined plate and the third inclined plate are respectively connected with two ends of the second connecting plate, the movable baffle plate is respectively matched with the second connecting plate, the second inclined plate and the third inclined plate, and the movable baffle plate is a freely telescopic movable plate with cylinder control.
As an optimized scheme of the invention, the surface of the guide key is provided with a guide hole.
As an optimized scheme of the invention, the brake device of the tension screening machine can also be arranged on the pay-off unit for further protecting zero damage of the optical fiber.
The invention has the positive effects that: (1) the invention solves the technical problems of longer length of the optical fiber pumped into the take-up reel and large fiber broken end whipping force caused by longer take-up reel braking time in the existing tension screening machine;
(2) the invention has large protection area, can effectively collect broken fibers, simultaneously guides and limits the tail flicking of the optical fibers caused by inertia, can completely prevent the broken fibers from whipping the take-up reel, and saves the cost;
(3) the invention simplifies the operation of cutting after fiber breaking and improves the production efficiency;
(4) the invention has the advantages of good stability, convenient control, simple structure, convenient assembly and maintenance-free property.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of a brake apparatus of a tension screening machine according to the present invention;
FIG. 2 is a schematic structural view of the brake spider of the present invention;
FIG. 3 is a schematic view of the fiber collection apparatus of the present invention;
fig. 4 is a schematic view of the overall structure of the present invention.
Wherein: 11. the brake device comprises a brake bracket, 12, a brake shaft, 13, a brake flying disc, 14, clamping jaws, 141, a bayonet, 21, a broken fiber collecting box, 22, a first baffle, 23, a second baffle, 24, a guide key, 15, a pneumatic/hydraulic brake, 111, a base, 112, a supporting plate, 113, a reinforcing plate, 1121, a through hole, 1111, a threaded hole, 221, a first connecting plate, 222, a first inclined plate, 231, a second connecting plate, 232, a second inclined plate, 233, a third inclined plate, 234, a movable baffle, 241 and a guide hole.
Detailed Description
As shown in fig. 1-4, the invention discloses an optical fiber zero damage device for a tension screening machine, which comprises a tension screening machine brake device and an optical fiber collecting device, wherein the tension screening machine brake device is arranged on a take-up unit/a pay-off unit of the tension screening machine, the optical fiber collecting device is arranged on the take-up unit of the tension screening machine, the tension screening machine brake device comprises a brake bracket 11, a brake shaft 12, a brake flying disc 13 and a clamping jaw 14, the brake shaft 12 is arranged on the brake bracket 11, the brake shaft 12 is connected with a motor of the take-up unit of the tension screening machine, the brake flying disc 13 is arranged on the brake shaft 12, the clamping jaw 14 is arranged on the tension screening machine, a bayonet 141 corresponding to the brake flying disc 13 is arranged on the clamping jaw 14, the optical fiber collecting device comprises a broken fiber collecting box 21, a first baffle plate 22, a second baffle plate 23 and a guide key 24, the broken fiber collecting box 21 is used for guiding the path of the optical fiber and collecting the broken fiber at the take-up unit when the take-up, the first baffle 22 is used for preventing the optical fiber from whipping the take-up reel from one side after being whipped, the second baffle 23 is used for preventing the optical fiber from whipping the take-up reel from the other side after being whipped, and the guide key 24 is used for guiding the path of the optical fiber during take-up. Wherein, tension screening machine brake equipment still can set up the unwrapping wire unit at tension screening machine, can be used to the zero damage further protection of optic fibre. The brake shaft 12 and a motor of a take-up unit of the tension screening machine rotate coaxially and synchronously, the brake shaft 12 penetrates through the center of the brake flying disc 13, when fibers of the motor of the take-up unit of the tension screening machine are broken, the rotation cannot be stopped immediately due to inertia, the brake shaft 12 and the take-up disc can continue to rotate together, if external force is not applied for stopping, the brake flying disc can be stopped slowly within 3 seconds generally, the clamping jaw 14 holds the brake flying disc 13 through the bayonet 141, an acting force opposite to the steering direction is applied to the brake shaft 12 through friction between the clamping jaw 14 and the brake flying disc 13, the brake shaft 12 is prevented from rotating, and further the motor of the take-up unit of the tension screening machine and the take-up disc stop rotating within a short time. According to the tension screening machine experiment with the speed of 1800m/min and the take-up reel of 50km, the take-up reel stops rotating within 0.5 second, and the longest rotation stopping time of 0.5 second is calculated, the length of the optical fiber which is still sucked into the take-up reel after the motor of the take-up unit of the tension screening machine is powered off is 1800/2/60 × 0.5-7.5 meters, and compared with the length of the broken end of the optical fiber which is sucked into the take-up reel of 45 meters in the prior art (1800/2/60 × 3-45 meters), the broken end of the optical fiber is not enough to be sucked into the take-up reel, and even if the broken end is sucked into the take-up reel, the rotation time of the take-up reel is short, so the whipping force of the take-up reel is small.
The tension screening machine brake device further comprises a pneumatic/hydraulic brake 15, the clamping jaw 14 is arranged at the free end of the pneumatic/hydraulic brake 15, the tension screening machine brake device further comprises a tension sensor, the tension sensor is installed at an optical fiber tension guide wheel of the tension screening machine, and the tension sensor is connected with an electromagnetic valve of the pneumatic/hydraulic brake 15. The tension sensor can detect the tension on the optical fiber, so as to control the pneumatic/hydraulic brake 15 and change the working state of the clamping jaw 14.
As shown in fig. 2, the brake bracket 11 includes a base 111 and support plates 112, the support plates 112 are disposed at two ends of the base 111, the brake disc 13 is located between the two support plates 112, and a through hole 1121 for installing the brake shaft 12 is formed at an upper portion of the support plates 112. The support plates 112 are arranged to support the brake shafts 12 on the two sides of the brake flying disc 13, so that the stability is good, and the brake shafts 12 cannot generate strong vibration.
The brake bracket 11 further includes reinforcing plates 113, the reinforcing plates 113 are disposed on both sides of the support plate 112, and the reinforcing plates 113 are fixed to the base 111 and the support plate 112. The reinforcing plate 113 reinforces the supporting plate 112, thereby increasing the overall stability of the brake bracket 11.
The base 111 is T-shaped, a threaded hole 1111 parallel to the through hole 1121 is formed in the lower portion of the base 111, and the threaded hole 1111 penetrates through the base 111. The T-shaped base 111 enables the tension screening machine brake device to be located on the tension screening machine, and the threaded hole 1111 is matched with a screw rod on the tension screening machine, so that the tension screening machine brake device can move on the tension screening machine accurately.
As shown in fig. 3, the broken fiber collecting box 21 includes a broken fiber inlet and a broken fiber outlet, the broken fiber inlet is disposed on the right side surface of the broken fiber collecting box 21, and the broken fiber outlet is a circular through hole disposed on the left side surface of the broken fiber collecting box 21. The broken fiber collecting box 21 can be placed on any optical fiber path between a traction wheel of a take-up unit of the tension screening machine and a take-up reel, and the broken fiber collecting box 21 can be as large as possible on the premise of not touching optical fibers.
The first baffle 22 includes a first connection plate 221 and a first inclination plate 222, and the first inclination plate 222 is connected to one side of the first connection plate 221.
The second baffle 23 comprises a second connecting plate 231, a second inclined plate 232, a third inclined plate 233 and a movable baffle 234, the second inclined plate 232 and the third inclined plate 233 are respectively connected to two ends of the second connecting plate 231, the movable baffle 234 is respectively matched with the second connecting plate 231, the second inclined plate 232 and the third inclined plate 233, and the movable baffle 234 is a freely telescopic movable plate. Wherein, freely flexible fly leaf is furnished with cylinder control, through using with the cooperation of second swash plate 232 and third swash plate 233, can match the take-up reel type that different dishes are wide, increases the convenience of operation.
The guide key 24 has a guide hole 241 formed in a surface thereof. The guide key 24 prevents the broken optical fiber from being thrown out to a large extent.
When the tension screening machine brake device is used, the tension screening machine brake device is arranged on the tension screening machine, a tension sensor is arranged at an optical fiber tension guide wheel of the tension screening machine and used for controlling the working state of a pneumatic/hydraulic brake 15, a threaded hole 1111 is arranged on a screw rod on the tension screening machine, and a brake shaft 12 is directly connected with an output shaft of a motor of a take-up unit of the tension screening machine. If the tension of the optical fiber suddenly drops in the production process, the optical fiber is judged to be broken, a tension sensor sends a signal to open an electromagnetic valve of a pneumatic/hydraulic brake 15, the electromagnetic valve opens an air path/oil path to push a clamping jaw 14, the clamping jaw 14 tightly holds a brake flying disc 13 to increase the friction between the clamping jaw 14 and the brake flying disc 13, so that the rotation of a brake shaft 12 is prevented, the brake shaft 12 is directly connected with an output shaft of a motor of a take-up unit of the tension screening machine, so that the output shaft of the motor of the take-up unit of the tension screening machine also stops rotating quickly, and multiple experiments show that the motor of the take-up unit of the tension screening machine stops within 0.5 second. The optical fiber collecting device can guide the path of the optical fiber after fiber breakage, collect the broken fiber at the take-up end, and can also prevent the whipping of the take-up reel from different directions after the optical fiber is flapped, the positions and the sizes among the broken fiber collecting box 21, the first baffle 22, the second baffle 23 and the guide key 24 can be adjusted according to actual conditions so as to adapt to different devices, but when the broken fiber collecting box 21 is installed, the optical fiber is ensured to enter from the broken fiber inlet of the broken fiber collecting box 21 and come out from the broken fiber outlet, and thus the broken fiber at the take-up reel can be collected.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a zero damage device of optic fibre for tension sieve separator which characterized in that: comprises a tension screening machine brake device and an optical fiber collecting device, wherein the tension screening machine brake device is arranged on a take-up unit/a pay-off unit of a tension screening machine, the optical fiber collecting device is arranged on the take-up unit of the tension screening machine, the tension screening machine brake device comprises a brake support (11), a brake shaft (12), a brake flying disc (13) and a clamping jaw (14), the brake shaft (12) is arranged on the brake support (11), the brake shaft (12) is connected with a motor of the take-up unit of the tension screening machine, the brake flying disc (13) is arranged on the brake shaft (12), the clamping jaw (14) is arranged on the tension screening machine, a bayonet (141) corresponding to the brake flying disc (13) is arranged on the clamping jaw (14), the optical fiber collecting device comprises a broken fiber collecting box (21), a first baffle (22), a second baffle (23) and a guide key (24), the broken fiber collecting box (21) is used for guiding the path of the optical fiber during take-up and collecting broken fibers at the take-up unit, the first baffle (22) is used for preventing the optical fiber from whipping the take-up reel from one side after being whipped, the second baffle (23) is used for preventing the optical fiber from whipping the take-up reel from the other side after being whipped, the guide key (24) is used for guiding the path of the optical fiber during broken fiber, wherein the broken fiber collecting box (21) comprises a broken fiber inlet and a broken fiber outlet, the broken fiber inlet is arranged on the right side surface of the broken fiber collecting box (21), the broken fiber outlet is a through hole arranged on the left side surface of the broken fiber collecting box (21), the second baffle (23) comprises a second connecting plate (231), a second inclined plate (232), a third inclined plate (233) and a movable baffle (234), and the second inclined plate (232) and the third inclined plate (233) are respectively connected with two ends of the second connecting plate (231), the movable baffle (234) is respectively matched with the second connecting plate (231), the second inclined plate (232) and the third inclined plate (233), the movable baffle (234) is a freely telescopic movable plate with cylinder control, and a guide hole (241) is formed in the surface of the guide key (24).
2. The optical fiber zero damage device for a tension screening machine of claim 1, wherein: the brake device of the tension screening machine further comprises a pneumatic/hydraulic brake (15), and the clamping jaw (14) is arranged at the free end of the pneumatic/hydraulic brake (15).
3. The optical fiber zero-damage device for the tension screening machine according to claim 2, wherein: the tension screening machine brake device further comprises a tension sensor, the tension sensor is installed at an optical fiber tension guide wheel of the tension screening machine, and the tension sensor is connected with an electromagnetic valve of a pneumatic/hydraulic brake (15).
4. The optical fiber zero damage device for a tension screening machine of claim 1, wherein: the brake support (11) comprises a base (111) and support plates (112), the support plates (112) are arranged at two ends of the base (111), the brake flying disc (13) is positioned between the two support plates (112), and the upper part of each support plate (112) is provided with a through hole (1121) for installing the brake shaft (12).
5. The optical fiber zero-damage device for the tension screening machine according to claim 4, wherein: brake support (11) still include reinforcing plate (113), reinforcing plate (113) set up the both sides at backup pad (112), reinforcing plate (113) all fixed with base (111) and backup pad (112).
6. An optical fiber zero damage device for a tension screening machine according to claim 4 or 5, characterized in that: the base (111) is T-shaped, a threaded hole (1111) parallel to the through hole (1121) is formed in the lower portion of the base (111), and the threaded hole (1111) penetrates through the base (111).
7. The optical fiber zero damage device for a tension screening machine of claim 1, wherein: the first baffle plate (22) comprises a first connecting plate (221) and a first inclined plate (222), and the first inclined plate (222) is connected to one side of the first connecting plate (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963962.0A CN109665374B (en) | 2017-10-17 | 2017-10-17 | Optical fiber zero-damage device for tension screening machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963962.0A CN109665374B (en) | 2017-10-17 | 2017-10-17 | Optical fiber zero-damage device for tension screening machine |
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| CN109665374A CN109665374A (en) | 2019-04-23 |
| CN109665374B true CN109665374B (en) | 2021-06-01 |
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| US5964431A (en) * | 1998-04-24 | 1999-10-12 | Corning Incorporated | Fiber entry whip reduction apparatus and method therefor |
| CN2618174Y (en) * | 2003-05-22 | 2004-05-26 | 成都中住光纤有限公司 | Optical fibre winding protector |
| CN203959518U (en) * | 2014-05-26 | 2014-11-26 | 特恩驰(南京)光纤有限公司 | A kind of tension force screening machine take-up brake gear |
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| DE2330707A1 (en) * | 1973-06-16 | 1975-01-09 | Schlafhorst & Co W | AUTOMATIC WINDING MACHINE WITH A CLAMPING DEVICE |
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| CA2238841A1 (en) * | 1997-06-23 | 1998-12-23 | Thomas S. Walton | A method for reducing or preventing damage to fiber wound on a spool |
| CN203229256U (en) * | 2013-03-22 | 2013-10-09 | 深圳特发信息光纤有限公司 | Whipping-preventing optical fiber take-up device |
| CN204344757U (en) * | 2014-12-11 | 2015-05-20 | 天津大山铜业有限公司 | A kind of braking device of admission machine |
| CN204508449U (en) * | 2015-01-31 | 2015-07-29 | 神宇通信科技股份公司 | The anti-random line actinobacillus device of fault |
| CN205450395U (en) * | 2016-03-25 | 2016-08-10 | 威海威信光纤科技有限公司 | Optic fibre screening protector |
| CN105819277B (en) * | 2016-05-23 | 2018-08-03 | 江苏亨通光纤科技有限公司 | A kind of optical fiber screening after-combustion anti-flogging device |
| CN205821176U (en) * | 2016-07-26 | 2016-12-21 | 深圳特发信息光纤有限公司 | A kind of optical fiber coloring machine wire-clamping device |
| CN106242265B (en) * | 2016-07-26 | 2019-01-25 | 长飞光纤光缆股份有限公司 | A kind of optical fiber take-up with disconnected fine function of receiving line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5964431A (en) * | 1998-04-24 | 1999-10-12 | Corning Incorporated | Fiber entry whip reduction apparatus and method therefor |
| CN2618174Y (en) * | 2003-05-22 | 2004-05-26 | 成都中住光纤有限公司 | Optical fibre winding protector |
| CN203959518U (en) * | 2014-05-26 | 2014-11-26 | 特恩驰(南京)光纤有限公司 | A kind of tension force screening machine take-up brake gear |
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