CN217478763U - Optical fiber untwisting machine - Google Patents

Abstract

The utility model relates to an optical fiber manufacturing technical field especially relates to an optical fiber moves back machine of turning round. The utility model provides an optical fiber back-twisting machine, which comprises a pay-off mechanism, a take-up mechanism, a back-twisting mechanism and a visual detection mechanism, wherein the pay-off mechanism and the take-up mechanism are arranged at intervals along a straight line, an optical fiber detection area for optical fibers to naturally fall is formed between the pay-off mechanism and the take-up mechanism, and the visual detection mechanism is arranged at the optical fiber detection area; pay off mechanism includes drawing drum, first drive arrangement, supplementary draw gear and unwrapping wire tension device, and take-up mechanism includes drawing drum and second drive arrangement, and the mechanism is turned back including revolving stage and third drive arrangement to the back of the torsion, and visual detection mechanism includes first camera and second camera. The utility model provides an optic fibre moves back machine of turning round to solve current optic fibre and move back the technical problem who turns round that unable automated inspection optic fibre distortion degree and accurate move back among the mechanism of turning round.

Description

Optical fiber untwisting machine

Technical Field

The utility model relates to an optical fiber manufacturing technical field especially relates to an optical fiber moves back machine of turning round.

Background

Optical fiber is a short term for optical fiber, and is a light conduction tool using the principle of total reflection in a fiber made of glass or plastic. The fine optical fiber is enclosed in a plastic sheath so that it can be bent without breaking. Typically, a transmitter at one end of the fiber uses a light emitting diode or a beam of laser light to transmit a pulse of light to the fiber, and a receiver at the other end of the fiber uses a light sensitive element to detect the pulse.

With the rapid development of optical fiber communication and optical fiber sensing industries in recent years, the requirements for optical fiber products and optical fiber ring precision parts at home and abroad are higher and higher. With the research and development of products such as high-precision optical fiber rings and the like, various indexes of optical fibers are continuously refined, wherein the problem of optical fiber torsion is always a key concern. The optical fiber back-twisting process can not automatically detect the optical fiber twisting degree and accurately back-twist, on one hand, continuous and stable production can not be realized, the working efficiency is low, on the other hand, the problem that the back-twisting precision is insufficient and the residual torsion of the optical fiber can not be removed by bending also exists.

In view of the above, it is desirable to provide an optical fiber untwisting machine to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an optic fibre moves back machine of turning round to solve current optic fibre and move back the technical problem who turns round that unable automated inspection optic fibre distortion degree and accurate move back among the mechanism of turning round.

In order to achieve the above object, the utility model provides an optical fiber untwisting machine, which comprises a pay-off mechanism, a take-up mechanism, an untwisting mechanism and a visual detection mechanism, wherein the pay-off mechanism and the take-up mechanism are arranged at intervals along a straight line, an optical fiber detection area for optical fibers to naturally sag is formed between the pay-off mechanism and the take-up mechanism, and the visual detection mechanism is arranged in the optical fiber detection area; pay off mechanism includes drawing drum, drive drawing drum pivoted first drive arrangement, be used for pulling optic fibre and get into the supplementary draw gear and the setting of optic fibre detection zone are in the drawing drum with be used for the unwrapping wire tension device of tensioning optic fibre between the supplementary draw gear, take up mechanism includes take-up reel and drive take-up reel pivoted second drive arrangement, back-twist mechanism is including supplying rotation platform and the drive that the drawing drum placed rotate the third drive arrangement of platform upset, vision detection mechanism is including shooting the first camera of forward view visual angle state and shooting when optic fibre droops under one's command the second camera of upward view visual angle state when optic fibre droops under one's command.

Preferably, supplementary draw gear includes traction plate, main traction wheel and follows the traction wheel group, detachably is provided with the fly leaf on the traction plate, the fly leaf is fan-shapedly, first mounting groove has been seted up on the traction plate, the second mounting groove has been seted up on the fly leaf, the fly leaf install in when on the traction plate first mounting groove and second mounting groove constitute a through wires hole that supplies optic fibre to pass jointly, first follow traction wheel and second follow the traction wheel including the interval setting are followed to the first traction wheel of follow and second, first follow the traction wheel with the second is followed the winding and is had the drive belt on the traction wheel, main traction wheel set up in first follow the traction wheel with between the traction wheel is followed to the second, the drive belt part twine in on the main traction wheel, optic fibre is followed the drive belt with pass between the main traction wheel.

Preferably, the auxiliary traction device further comprises an installation seat, the main traction wheel and the auxiliary traction wheel set are both arranged on the installation seat, an auxiliary tensioning wheel and a first adjusting groove used for adjusting the position of the auxiliary tensioning wheel are further arranged on the installation seat, the auxiliary tensioning wheel is arranged between the first auxiliary traction wheel and the second auxiliary traction wheel, the first adjusting groove is arc-shaped, and the auxiliary tensioning wheel is close to or far away from the transmission belt in the first adjusting groove so as to tension the transmission belt.

Preferably, the pay-off tension device comprises tension wheel sets arranged on two sides of the pay-off reel, and each tension wheel set comprises a first tension wheel close to the optical fiber detection area and a second tension wheel far away from the optical fiber detection area.

Preferably, the take-up mechanism further comprises a winding displacement device, wherein the winding displacement device comprises a first mounting plate for placing the take-up reel, a first sliding block arranged at the bottom of the first mounting plate, a first sliding rail matched with the first sliding block, and a fourth driving device for driving the first mounting plate to move longitudinally along the first sliding rail.

Preferably, a second mounting plate is arranged on the rotating table, the second tensioning wheel is arranged on the second mounting plate, a second sliding assembly is arranged between the second mounting plate and the second tensioning wheel, the second sliding assembly comprises a second sliding block arranged at the bottom of the second tensioning wheel and a second sliding rail arranged on the second mounting plate, the second sliding block is slidably arranged on the second sliding rail, and a return spring is further arranged between the second mounting plate and the second tensioning wheel.

Preferably, visual detection mechanism still includes the base, supplies installation arm and the supplementary light source of shooing that first camera was placed, installation arm vertical fixation in on the base, the light source orientation the setting of second camera.

Preferably, a first support frame is arranged on one side, close to the optical fiber detection area, of the pay-off mechanism, and a second support frame is arranged on one side, close to the optical fiber detection area, of the take-up mechanism; the optical fiber fixing device is characterized in that supporting rods for assisting in supporting the optical fibers are arranged on the first supporting frame and the second supporting frame, fiber passing holes for the optical fibers to pass through are formed in the supporting rods, guide rods are horizontally arranged on the second supporting frame, and V-shaped grooves for the optical fibers to pass through are formed in the guide rods.

Preferably, the bracing piece bottom is provided with adjusting part, adjusting part including be fixed in first fixed block on first support frame and the second support frame, set up with liftable in first regulating block, second fixed block on the first fixed block and can set up with lateral shifting in second regulating block on the second fixed block, the bracing piece is fixed in on the second regulating block, the vertical first regulation slide rail that is provided with on the first fixed block, first regulating block slidable set up in on the first regulation slide rail, the level is provided with the second and adjusts the slide rail on the second regulating block, second regulating block slidable set up in on the second adjusts the slide rail.

Preferably, the rotating table is provided with a third mounting plate, the third mounting plate is arranged beside the second mounting plate, a material sensor is fixed on the third mounting plate, a limiting block is arranged on the second sliding block, and a second adjusting groove for adjusting the position of the third mounting plate on the rotating table is formed in the third mounting plate.

Compared with the prior art, the utility model discloses following beneficial effect has: the twisting degree of the optical fiber can be detected, the twisted optical fiber can be automatically removed and twisted and wound on a take-up reel, and the problems that the optical fiber is difficult to detect and the efficiency is low due to the fact that manual intervention is needed for removing the twist of the optical fiber are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an optical fiber untwisting machine according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the pay-off mechanism and the back-twist mechanism in the embodiment of the present invention;

fig. 3 is a top view of the pay-off mechanism and the back-twist mechanism in the embodiment of the present invention;

fig. 4 is a schematic structural view of a take-up mechanism according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a visual inspection mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an adjusting assembly according to an embodiment of the present invention;

fig. 7 is a flowchart of the operation steps of the optical fiber untwisting machine according to the embodiment of the present invention;

fig. 8 is a schematic diagram of image capturing of the vision inspection apparatus of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

The reference numbers indicate:

100-a pay-off mechanism, 110-a pay-off reel, 111-a first driving device, 120-an auxiliary traction device, 121-a traction plate, 122-a movable plate, 123-a mounting seat, 124-a main traction wheel, 125-a first slave traction wheel, 126-a second slave traction wheel, 127-an auxiliary tension wheel, 128-a first adjusting groove, 129-a driving motor, 130-a pay-off tension device, 131-a first tension wheel, 132-a second tension wheel, 140-a first support frame, 141-a support rod and 142-a fiber passing hole; 200-a wire-rewinding mechanism, 210-a wire-rewinding disc, 211-a second driving device, 220-a wire arrangement device, 221-a first mounting plate, 222-a first sliding block, 223-a first sliding rail, 224-a fourth driving device, 230-a second supporting frame, 231-a guiding rod, 232- "V" -shaped groove, 240-an adjusting component, 241-a first fixed block, 241 a-a first adjusting sliding rail, 242-a first adjusting block, 242 a-a first limiting part, 243-a first adjusting bolt, 244-a first adjusting nut, 245-a second fixed block, 245 a-a second adjusting sliding rail, 246-a second adjusting block, 246 a-a second limiting part, 247-a second adjusting bolt and 248-a second adjusting nut; 300-a back-twist mechanism, 310-a rotating table, 311-a second mounting plate, 312-a third mounting plate, 313-a second adjusting groove, 314-a material sensor, 321-a second sliding rail, 322-a second sliding block, 323-a return spring and 330-a third driving device; 400-visual inspection mechanism, 410-base, 411-mounting arm, 420-first camera, 430-second camera, 440-light source, 500-optical fiber detection area.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Please refer to fig. 1 to 8, the utility model provides an optic fibre moves back machine of turning round, including paying out machine 100, admission machine 200, move back and turn round mechanism 300 and visual inspection mechanism 400, paying out machine 100 sets up along sharp interval with admission machine 200, and is formed with an optic fibre detection zone 500 that supplies the optic fibre nature to hang down between paying out machine 100 and admission machine 200, and visual inspection mechanism 400 sets up at optic fibre detection zone 500.

The pay-off mechanism 100 comprises a pay-off reel 110, a first driving device 111 for driving the pay-off reel 110 to rotate, an auxiliary traction device 120 for drawing the optical fiber into the optical fiber detection area 500, and a pay-off tension device 130 arranged between the pay-off reel 110 and the auxiliary traction device 120 and used for tensioning the optical fiber. The first driving device 111 may be a motor, an air pump, a hydraulic cylinder, or the like, which can drive the pay-off reel 110 to rotate, and in this embodiment, the first driving device 111 is a motor. As a specific embodiment of this embodiment, the auxiliary traction device 120 includes a traction plate 121, the optical fiber cable traction device comprises a main traction wheel 124 and auxiliary traction wheel sets (125, 126), a movable plate 122 is detachably arranged on a traction plate 121, the movable plate 122 is fan-shaped, a first mounting groove (not shown in the figure) is formed in the traction plate 121, a second mounting groove (not shown in the figure) is formed in the movable plate 122, when the movable plate 122 is mounted on the traction plate 121, the first mounting groove and the second mounting groove jointly form a cable through hole for an optical fiber to pass through, each auxiliary traction wheel set comprises a first auxiliary traction wheel 125 and a second auxiliary traction wheel 126 which are arranged at intervals, a transmission belt is wound on the first auxiliary traction wheel 125 and the second auxiliary traction wheel 126, the main traction wheel 124 is arranged between the first auxiliary traction wheel 125 and the second auxiliary traction wheel 126, the transmission belt is partially wound on the main traction wheel 124, and the optical fiber passes through the transmission belt and the main traction wheel 124. The bottom of the main traction wheel 124 is provided with a driving motor 129 for driving the main traction wheel 124 to rotate, and the driving belt wound on the auxiliary traction wheel set rolls along with the main traction wheel 124 under the driving of the friction force of the main traction wheel 124, and the optical fiber is continuously conveyed along with the rolling of the main traction wheel 124 under the common clamping of the main traction wheel 124 and the driving belt. . Before the optical fiber untwisting machine works, the thread end of the optical fiber is manually wound on the paying-off tension device 130 and the auxiliary traction device 120, and the thread end passes through the threading hole on the traction plate 121 and the fiber passing hole 142 on the supporting rod 141, so that the thread end naturally falls in the optical fiber detection area 500. When the optical fiber needs to be adjusted during the untwisting process, the movable plate 122 can be removed from the pulling plate 121, so that the optical fiber can be taken out of the pulling plate 121.

As a preferred embodiment of this embodiment, the auxiliary traction device 120 further includes a mounting base 123, the main traction wheel 124 and the auxiliary traction wheel set are both disposed on the mounting base 123, an auxiliary tension wheel 127 and a first adjusting groove 128 for adjusting the position of the auxiliary tension wheel 127 are further disposed on the mounting base 123, the auxiliary tension wheel 127 is disposed between the first auxiliary traction wheel 125 and the second auxiliary traction wheel 126, the first adjusting groove 128 is arc-shaped, and the auxiliary tension wheel 127 is close to or far from the transmission belt in the first adjusting groove 128 to tension the transmission belt. Specifically, the auxiliary tensioning wheel 127 is mounted in the first adjusting groove 128 through a bolt, and the position of the auxiliary tensioning wheel 127 in the first adjusting groove 128 can be manually adjusted by loosening the bolt to be far away from or close to the transmission belt, so that the purpose of tensioning the transmission belt is achieved. Further, the pay-off tension device 130 includes tension wheel sets (131, 132) disposed at both sides of the pay-off reel 110, and the tension wheel sets include a first tension wheel 131 disposed near the optical fiber detection region 500 and a second tension wheel 132 disposed far from the optical fiber detection region 500. The fiber exits from pay-off reel 110 and is tensioned around first tensioning wheel 131 and second tensioning wheel 132, then passes between main traction wheel 124 and the belt and under the traction of main traction wheel 124 into fiber inspection zone 500 for inspection. In addition, the tightness of the transmission belt can be adjusted by adjusting the position of the auxiliary tensioning wheel 127 in the first adjusting groove 128, so that the optical fiber can be prevented from being transmitted by the transmission belt which is too loose.

Wherein, admission machine 200 includes admission disc 210 and drive admission disc 210 pivoted second drive arrangement 211, specifically, in this embodiment, admission machine 200 still includes winding displacement device 220, and winding displacement device 220 includes the first mounting panel 221 that supplies admission disc 210 to place, sets up in the first slider 222 of first mounting panel 221 bottom, the first slide rail 223 with first slider 222 looks adaptation and the fourth drive arrangement 224 that drives first mounting panel 221 and carry out longitudinal movement along first slide rail 223. Under the driving of the fourth driving device 224, the first mounting plate 221 and the take-up reel 210 fixed thereon can move longitudinally under the cooperation of the first slider 222 and the first slide rail 223, and when the take-up reel 210 takes up, the traverse device 220 can drive the take-up reel 210 to move longitudinally, so that the longitudinal distribution of the optical fibers on the take-up reel 210 is completed, and the optical fibers are distributed more uniformly and regularly. The second driving device 211 and the fourth driving device 224 may be a motor, an air pump, a hydraulic cylinder, or the like, which can drive the pay-off reel 110 to rotate, and in this embodiment, the second driving device 211 and the fourth driving device 224 are both motors.

In addition, a first support frame 140 is arranged on one side of the pay-off mechanism 100 close to the optical fiber detection area 500, and a second support frame 230 is arranged on one side of the take-up mechanism 200 close to the optical fiber detection area 500; the first support frame 140 and the second support frame 230 are both provided with support rods 141 for assisting in supporting the optical fibers, fiber passing holes 142 for the optical fibers to pass through are formed in the support rods 141, a guide rod 231 is further horizontally arranged on the second support frame 230, and a V-shaped groove 232 for the optical fibers to pass through is formed in the guide rod 231. The supporting rods 141 and the fiber passing holes 142 of the first supporting frame 140 and the supporting rods 141 and the fiber passing holes 142 of the second supporting frame 230 can support the optical fibers before the optical fibers naturally fall down, and meanwhile, the arrangement of the V-shaped groove 232 can enable the optical fibers to be clamped in the V-shaped groove 232 under the action of self gravity and to be twisted and blocked. It should be noted that the first supporting frame 140 is disposed beside the pulling plate 121, and the fiber passing hole 142 is opened with a slot (not labeled) for the optical fiber to enter and exit. Specifically, because the notch of "V" groove 232 reduces from top to bottom in proper order, and the optic fibre falls naturally in optic fibre detection area 500 and can produce decurrent gravity to the optic fibre of placing behind it in "V" groove 232 to under this action of gravity, the optic fibre of placing in "V" groove 232 can be pulled down and lead to "V" groove 232 to carry out certain extrusion to it and cut off the torsion, thereby make the torsion can not transmit the subsequent optic fibre of influence backward.

Further, an adjusting assembly 240 is arranged at the bottom of the supporting rod 141, the adjusting assembly 240 includes a first fixed block 241 fixed on the first supporting frame 140 and the second supporting frame 230, a first adjusting block 242 arranged on the first fixed block 241 in a liftable manner, a second fixed block 245, and a second adjusting block 246 arranged on the second fixed block 245 in a transverse moving manner, the supporting rod 141 is fixed on the second adjusting block 246, a first adjusting slide rail 241a is vertically arranged on the first fixed block 241, the first adjusting block 242 is slidably arranged on the first adjusting slide rail 241a, a second adjusting slide rail 245a is horizontally arranged on the second adjusting block 246, and the second adjusting block 246 is slidably arranged on the second adjusting slide rail 245 a. Specifically, an L-shaped first limiting portion 242a is arranged on the first fixing block 241, a first adjusting nut 244 is arranged on the first adjusting block 242, a first adjusting bolt 243 is arranged in the first adjusting nut 244, the first adjusting bolt 243 is arranged towards the first limiting portion 242a, the first adjusting bolt 243 is screwed, so that the threaded end of the first adjusting bolt 243 abuts against the first limiting portion 242a, and the first adjusting bolt 243 is continuously screwed, so that the first adjusting block 242 can slide relative to the first fixing block 241, and the purpose of adjusting the lifting of the supporting rod 141 is achieved, and the fiber passing hole 142 on the supporting rod 141 is aligned with the thread passing hole. Similarly, an L-shaped second limiting portion 246a is disposed on the second fixing block 245, a second adjusting nut 248 is disposed on the second adjusting block 246, a second adjusting bolt 247 is disposed in the second adjusting nut 248, the second adjusting bolt 247 is disposed toward the second limiting portion 246a, the second adjusting bolt 246 slides relative to the second fixing block 245 by screwing the second adjusting bolt 247, and the second adjusting bolt 247 is continuously screwed, so as to adjust the lateral movement of the support rod 141, and the fiber passing hole 142 on the support rod 141 and the second "V" shaped groove 232 are aligned.

The back-twist mechanism 300 includes a rotating table 310 on which the pay-off reel 110 is placed, and a third driving device 330 for driving the rotating table 310 to turn, where the third driving device 330 may be a motor, an air pump, a hydraulic cylinder, or other devices capable of driving the pay-off reel 110 to rotate, and in this embodiment, the third driving device 330 is a motor. The rotating table 310 is provided with a second mounting plate 311, the second tensioning wheel 132 is arranged on the second mounting plate 311, a second sliding assembly (321, 322) is arranged between the second mounting plate 311 and the second tensioning wheel 132, the second sliding assembly comprises a second sliding block 322 arranged at the bottom of the second tensioning wheel 132 and a second sliding rail 321 arranged on the second mounting plate 311, the second sliding block 322 is slidably arranged on the second sliding rail 321, and a return spring 323 is further arranged between the second mounting plate 311 and the second tensioning wheel 132. When the auxiliary pulling device 120 pulls the optical fiber, the first tensioning wheel 131 and the second tensioning wheel 132 may tension the optical fiber, and during the tensioning process, the second sliding assembly and the return spring 323 may adjust the distance between the second tensioning wheel 132 and the first tensioning wheel 131. Further, the rotating table 310 is provided with a third mounting plate 312, the third mounting plate 312 is arranged beside the second mounting plate 311, the third mounting plate 312 is fixed with a material sensor 314, the second slider 322 is provided with a limiting block, and the third mounting plate 312 is provided with a second adjusting groove 313 for adjusting the position of the third mounting plate 312 on the rotating table 310. The position of the third mounting plate 312 on the rotating table 310 can be adjusted by adjusting the position between the second adjusting groove 313 and the rotating table 310, so that the relative position relationship between the material sensor 314 and the second sliding rail 321 is adjusted, the tensioning limit of the second tensioning wheel 132 is further controlled, and the purpose that the optical fiber cannot be tensioned due to too close distance between the second tensioning wheel 132 and the first tensioning wheel 131 is prevented.

Wherein, visual detection mechanism 400 is including the first camera 420 of front view visual angle state when shooing the optic fibre and hanging down (this first camera 420 is located the optic fibre one side that hangs down to shoot towards optic fibre with the front view visual angle) and shoot the second camera 430 of looking down the visual angle state when optic fibre hangs down (this second camera 430 is located the optic fibre below that hangs down, and shoot towards optic fibre with looking down the visual angle), visual detection mechanism 400 still includes base 410, the installation arm 411 that supplies first camera 420 to place and supplementary light source 440 of shooing, installation arm 411 is vertical to be fixed in on base 410, light source 440 sets up towards second camera 430. It is worth mentioning, the utility model provides a pair of machine is turned round back to optic fibre still includes the industrial computer, this industrial computer respectively with paying out machine structure, admission mechanism, the mechanism is turned round back to the line and the visual detection mechanism electricity is connected, the industrial computer can receive the first image information that first camera sent and the second image information that the second camera sent to calculate the angle of torsion of optic fibre according to first image information and second image information, then control the mechanism of turning round back and turn back the round. Referring to fig. 8, in the drawing, (a), (b) and (c) are first image information and second image information of the non-twisted optical fiber, the less-twisted optical fiber and the more-twisted optical fiber photographed by the first camera 420 and the second camera 430, respectively, and whether the optical fiber is twisted or not can be determined according to the first image information and the second image information, and the twisted angle can be calculated.

Referring to fig. 7, the operation steps of the optical fiber untwisting machine are as follows:

s01: winding the optical fiber to be tested on the pay-off reel 110, and fixing the pay-off reel 110 on the rotating table 310;

s02: winding the end of the optical fiber on a tensioning wheel set of a tension device, sequentially passing through a main traction wheel 124 of an auxiliary traction device 120, a fiber passing hole 142 of a support rod 141 and a V-shaped groove 232, and finally winding the optical fiber on a take-up reel 210, enabling the optical fiber to naturally fall in an optical fiber detection area 500, and ensuring that a first camera 420 and a second camera 430 can shoot the falling state of the optical fiber;

s03: the first camera 420 and the second camera 430 shoot the front view angle state and the upward view angle state of the falling optical fiber, and send the first image information and the second image information obtained by shooting to the industrial personal computer;

s04: the industrial personal computer calculates the torsion angle of the optical fiber according to the received first image information and the second image information and controls the third driving device 330 to reversely turn over the corresponding angle of the rotating table 310 until the torsion of the optical fiber is completely eliminated;

s05: the take-up reel 210 is driven by the second driving device 211 to rotate to complete take-up, and the pay-off reel 110 is driven by the first driving device 111 to rotate to pay off;

s06: the steps from S03 to S05 are repeated until the optical fiber on the pay-off reel 110 is paid off.

Compared with the prior art, the utility model discloses following beneficial effect has: the twisting degree of the optical fiber can be detected, the twisted optical fiber can be automatically removed and twisted and wound on a take-up reel, and the problems that the optical fiber is difficult to detect and the efficiency is low due to the fact that manual intervention is needed for removing the twist of the optical fiber are solved.

The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the present invention, or directly or indirectly applied to other related technical fields, are included in the same way in the patent protection scope of the present invention.

Claims (10)

1. An optical fiber untwisting machine is characterized by comprising a pay-off mechanism, a take-up mechanism, a untwisting mechanism and a visual detection mechanism, wherein the pay-off mechanism and the take-up mechanism are arranged at intervals along a straight line, an optical fiber detection area for optical fibers to naturally sag is formed between the pay-off mechanism and the take-up mechanism, and the visual detection mechanism is arranged in the optical fiber detection area; paying out machine constructs including drawing drum, drive drawing drum pivoted first drive arrangement, be used for drawing optic fibre and get into the supplementary draw gear and the setting of optic fibre detection zone are in the drawing drum with be used for the unwrapping wire tension device of tensioning optic fibre between the supplementary draw gear, take-up mechanism includes take-up reel and drive take-up reel pivoted second drive arrangement, back-twist mechanism is including supplying the rotation platform and the drive that the drawing drum placed rotate the third drive arrangement of platform upset, vision detection mechanism is including shooing the first camera of forward looking visual angle state and shooting when optic fibre droops down the second camera of upward looking visual angle state when optic fibre droops down.

2. An optical fiber untwisting machine according to claim 1, wherein the auxiliary pulling device comprises a pulling plate, a main pulling wheel and a sub pulling wheel group, the traction plate is detachably provided with a movable plate which is fan-shaped, the traction plate is provided with a first mounting groove, the movable plate is provided with a second mounting groove, the first mounting groove and the second mounting groove jointly form a threading hole for optical fibers to pass through when the movable plate is mounted on the traction plate, the slave traction wheel set comprises a first slave traction wheel and a second slave traction wheel which are arranged at intervals, a transmission belt is wound on the first slave traction wheel and the second slave traction wheel, the main traction wheel is arranged between the first auxiliary traction wheel and the second auxiliary traction wheel, the transmission belt is partially wound on the main traction wheel, and the optical fiber penetrates through the transmission belt and the main traction wheel.

3. The optical fiber untwisting machine according to claim 2, wherein the auxiliary pulling device further includes a mounting base, the primary pulling wheel and the secondary pulling wheel set are disposed on the mounting base, the mounting base is further provided with an auxiliary tensioning wheel and a first adjusting groove for adjusting a position of the auxiliary tensioning wheel, the auxiliary tensioning wheel is disposed between the first secondary pulling wheel and the second secondary pulling wheel, the first adjusting groove is arc-shaped, and the auxiliary tensioning wheel is close to or far away from the driving belt in the first adjusting groove to tension the driving belt.

4. The optical fiber untwisting machine according to claim 1, wherein the pay-off tension device includes a set of tensioning wheels disposed on both sides of the pay-off reel, the set of tensioning wheels includes a first tensioning wheel disposed near the optical fiber detection area and a second tensioning wheel disposed far from the optical fiber detection area.

5. The optical fiber untwisting machine according to claim 1, wherein the take-up mechanism further includes a winding displacement device, the winding displacement device includes a first mounting plate on which the take-up reel is placed, a first slider disposed at the bottom of the first mounting plate, a first slide rail adapted to the first slider, and a fourth driving device for driving the first mounting plate to move longitudinally along the first slide rail.

6. The optical fiber untwisting machine according to claim 4, wherein a second mounting plate is disposed on the rotating table, the second tensioning wheel is disposed on the second mounting plate, a second sliding assembly is disposed between the second mounting plate and the second tensioning wheel, the second sliding assembly includes a second slider disposed at a bottom of the second tensioning wheel and a second slide rail disposed on the second mounting plate, the second slider is slidably disposed on the second slide rail, and a return spring is disposed between the second mounting plate and the second tensioning wheel.

7. The optical fiber untwisting machine according to claim 1, wherein the visual detection mechanism further includes a base, a mounting arm for the first camera to be placed on, and a light source for assisting in shooting, the mounting arm is vertically fixed on the base, and the light source faces the second camera.

8. The optical fiber untwisting machine according to claim 1, wherein a first supporting frame is arranged on one side of the pay-off mechanism close to the optical fiber detection area, and a second supporting frame is arranged on one side of the take-up mechanism close to the optical fiber detection area; the optical fiber support device is characterized in that support rods for supporting the optical fibers in an auxiliary mode are arranged on the first support frame and the second support frame, fiber passing holes for the optical fibers to pass through are formed in the support rods, guide rods are horizontally arranged on the second support frame, and V-shaped grooves for the optical fibers to pass through are formed in the guide rods.

9. The optical fiber untwisting machine according to claim 8, wherein an adjusting assembly is arranged at the bottom of the supporting rod, the adjusting assembly comprises a first fixed block fixed on the first supporting frame and the second supporting frame, a first adjusting block and a second fixed block which are arranged on the first fixed block in a liftable manner, and a second adjusting block which is arranged on the second fixed block in a transversely movable manner, the supporting rod is fixed on the second adjusting block, a first adjusting slide rail is vertically arranged on the first fixed block, the first adjusting block is slidably arranged on the first adjusting slide rail, a second adjusting slide rail is horizontally arranged on the second adjusting block, and the second adjusting block is slidably arranged on the second adjusting slide rail.

10. The optical fiber untwisting machine according to claim 6, wherein a third mounting plate is arranged on the rotating table, the third mounting plate is arranged beside the second mounting plate, a material sensor is fixed on the third mounting plate, a limiting block is arranged on the second sliding block, and a second adjusting groove for adjusting the position of the third mounting plate on the rotating table is formed in the third mounting plate.

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