CN214375381U - Optical fiber coating layer stripping device for high-power laser test - Google Patents

Abstract

The utility model relates to a high power laser test is with optic fibre coating layer stripping device belongs to optic fibre preliminary treatment and high power laser test technical field. The clamp comprises a base, wherein a first clamp unit and a second clamp unit are arranged on the base; the adjustable blade is arranged on the base and is arranged on the side surface of the optical fiber; the adjustable blade comprises a guide post, a sleeve is sleeved on the guide post, a horizontal support arm is arranged on the sleeve, the blade is arranged on the support arm, a locking nut penetrates through the sleeve and is unscrewed, and the sleeve can move up and down to adjust the position of the blade; and (5) screwing the locking nut, and fixedly connecting the sleeve with the guide post. The clamp units with two different heights clamp the optical fiber, so that the optical fiber to be cut is obliquely placed, the blade can be used for conveniently cutting the optical fiber coating layer, the tension applied to the optical fiber during cutting is reduced, the continuous optical fiber in the cutting process is guaranteed, and the integrity and consistency of the optical fiber cutting end face are guaranteed.

Description

Optical fiber coating layer stripping device for high-power laser test

Technical Field

The utility model relates to a high power laser test is with optic fibre coating layer stripping device belongs to optic fibre preliminary treatment and high power laser test technical field.

Background

At present, with the continuous development of laser technology, a fiber laser makes a breakthrough in the technical aspect, and compared with a traditional solid laser, the fiber laser has the advantages of simple structure, low threshold value, good heat dissipation performance, high photoelectric conversion efficiency, good beam quality and the like, and can be widely applied to various industries at present by virtue of excellent performance.

Along with the demand of laser power in the fields of industry, military and the like, the output power of a fiber laser is increased year by year, in the testing and manufacturing process of the fiber laser, the increase of the light guide power of a single optical fiber also puts higher requirements on the fusion between the optical fibers, particularly for the high-power fiber laser, the fusion processing of the optical fibers with high strength and high reliability is particularly important, and one of the most frequently occurring problems in the fusion processing process is that the processing quality of the notch of a coating layer is poor, so that the light leakage at the position is serious, the leaked light can cause the power reduction of the laser on one hand, and on the other hand, the leaked light can be converted into a heat effect at the position, so that the optical fibers are blown, the stability of a product is reduced, and even the light path is burnt. For laser manufacturers, batch production of products is difficult to achieve, production efficiency is low, and for laser tests, performance and consistency of optical fibers are difficult to evaluate, so that production and research and development progress is reduced.

In the fiber laser manufacturing industry, the method for removing the optical fiber coating is mostly manual stripping, and the used tools are mostly simple blades and miller clamps. The manual stripping method has the advantages that the optical fiber is easy to break in the operation process, the strength of the optical fiber is reduced after the coating layer is stripped, the consistency of the end face of the optical fiber is poor, the coating layer and the optical fiber can be separated and upwarped, and the requirements on the operation level and the proficiency of workers are high. There is also a method of coating removal using fiber hot strippers, which is possible for small diameter fibers, but which heats the cut unevenly for large core fibers, resulting in a rougher cut. In addition, a chemical stripping method is used, but the method has certain danger and certain pollution to the environment, cannot ensure the flatness of the end face and is gradually eliminated. At present, the research on stripping the coating layer of the optical fiber by laser is carried out, but the application is not wide, the cost is high, the operation has certain danger, and the optical fiber is easy to burn.

Therefore, an apparatus capable of stably removing the optical fiber coating layer is urgently needed to ensure the smoothness and high power tolerance of the end face and the step of the optical fiber coating layer in the optical fiber laser.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an optical fiber coating layer stripping device is used in high power laser test is provided to above-mentioned prior art, not only simple structure, the simple operation reduces manual operation level and proficiency requirement, guarantees the uniformity of optical fiber coating layer terminal surface planarization and step.

The utility model provides a technical scheme that above-mentioned problem adopted does: an optical fiber coating layer stripping device for a high-power laser test comprises a base, wherein a first clamp unit and a second clamp unit for clamping an optical fiber are arranged on the base in a sliding mode; the adjustable blade is arranged on the side surface of the optical fiber in a sliding manner and is used for cutting the optical fiber coating layer;

the adjustable blade comprises a guide post, a sleeve is sleeved on the guide post, a horizontal support arm is arranged on the sleeve, the blade is arranged on the support arm, a locking nut penetrates through the sleeve, and when the locking nut is unscrewed, the sleeve can move up and down relative to the guide post to drive the support arm to move synchronously and adjust the up-and-down position of the blade; when the locking nut is screwed, the sleeve is fixedly connected with the guide post.

The adjustable blade type dovetail joint is characterized in that a first dovetail groove and a second dovetail groove which are arranged in parallel are formed in the base, the first fixture unit and the second fixture unit are arranged in the first dovetail groove, the adjustable blade is arranged in the second dovetail groove and located on the base of the first dovetail groove, and the scale marks are arranged along the length direction of the first dovetail groove.

The first clamp unit comprises a first support, the second clamp unit comprises a second support, the first support and the second support are respectively provided with a reducing clamp, and the height of the first support is higher than that of the second support, so that the optical fiber is in an inclined state.

Reducing formula anchor clamps include the fixed disk, the optical fiber hole is seted up at the fixed disk center, radially set up a plurality of draw-in grooves on the fixed disk, it is a plurality of the draw-in groove sets up along the even interval of optical fiber hole hoop, the activity is equipped with the jack catch respectively in the draw-in groove, the jack catch is inner for pressing from both sides tight face, and is a plurality of the tight face of clamp catch encloses and establishes into the tight hole of clamp that is used for pressing from both sides tight optic fibre, the jack catch can remove along the draw-in groove that corresponds for the tight face of clamp of a plurality of jack catches can be close to relatively or keep away from, and then adjusts the aperture of pressing from both sides tight hole.

And elastic pieces are arranged on the clamping surfaces of the clamping jaws.

The horizontal gear cover and the hand wheel are further included, a large gear and a small gear which are meshed with each other are arranged in the gear cover, a rotating shaft of the hand wheel penetrates through the gear cover, and the small gear is fixed on the rotating shaft of the hand wheel; the outer side of the big gear is provided with a fixed disc which is fixedly connected with the big gear, and the hand wheel is manually rotated to drive the small gear and the big gear to rotate and drive the fixed disc to synchronously rotate.

The hand wheel is provided with angle scale marks, so that the rotation angle of the hand wheel can be conveniently controlled.

The first dovetail groove is provided with two fixing pieces, and one fixing piece acts on the first clamp unit to enable the first clamp unit to be fixedly connected with the base; and the other fixing piece acts on the second clamp unit, so that the second clamp unit is fixedly connected with the base.

And two limiting pieces are arranged on the second dovetail groove and are arranged on two sides of the guide post to limit the moving range of the guide post.

The blade is fixedly connected with the support arm through the pressing sheet.

Compared with the prior art, the utility model has the advantages of: the utility model provides an optical fiber coating strips device for high power laser test, the anchor clamps unit of two different heights presss from both sides tight optic fibre for the optic fibre slope of waiting to cut is placed, can make the feed path of blade more be convenient for cut the optic fibre coating on the one hand, can also reduce the tension of applying for optic fibre when cutting, guarantees constantly fine in the cutting process, has guaranteed the integrality and the uniformity of optic fibre cutting end face. Can adjust the tight hole aperture of clamp according to the optic fibre diameter through reducing anchor clamps, be applicable to the optic fibre of different diameters, avoid frequently changing anchor clamps, the cost is reduced. The length of the cut optical fiber is adjusted by the scale on the base and the limiting pieces on the two sides of the guide post, so that the accuracy of the cutting stroke is improved, and the optical fiber can be prevented from being damaged due to overlong cutting in the cutting process. The blade is controlled to move left and right through one motor, and the cutting of different cutting surfaces of the optical fiber is realized through small-angle rotation of the optical fiber controlled by the other motor, so that the cutting process is more convenient, the errors of manual operation are reduced, and the requirements on operators are reduced.

Drawings

Fig. 1 is a schematic view of an optical fiber coating layer stripping device for high power laser test according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a schematic view of the reducing clamp in an open state;

FIG. 5 is a schematic view of a locking state of the variable diameter clamp;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a schematic view of a cutting operation;

FIG. 8 is a schematic view of a cutting face;

in the figure, 1 a base, 2 a first support, 3 a second support, 4 reducing clamps, 4.1 a fixed disk, 4.2 clamping grooves, 4.3 clamping jaws, 4.4 pinions, 4.5 gear covers, 4.6 hand wheels, 4.7 large gears, 4.8 intermediate parts, 5 guide columns, 6 sleeves, 7 locking nuts, 8 optical fibers, 9 support arms, 10 blades, 11 fixing pieces, 12 limiting pieces, 13 a first dovetail groove and 14 a second dovetail groove are arranged.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1, 2 and 3, the optical fiber coating layer stripping device for high power laser test in this embodiment includes a base 1, where two dovetail grooves arranged in parallel are formed on the base 1: a first dovetail groove 13 and a second dovetail groove 14. Base 1

1. Be equipped with first anchor clamps unit and second anchor clamps unit, first anchor clamps unit and second anchor clamps unit are located in first dovetail 13, and first anchor clamps unit and second anchor clamps unit can remove about along first dovetail 13, realize that the interval can be adjusted between the two. And the scale marks are arranged along the length direction of the first dovetail groove, so that the distance value between the first clamp unit and the second clamp unit can be observed conveniently. The first clamp unit clamps one end of the optical fiber 8, the second clamp unit clamps the other end of the optical fiber 8, and the first clamp unit is higher than the second clamp unit, so that the optical fiber 8 is in an inclined state. The required cutting length of the optical fiber 8 is satisfied by adjusting the distance between the first clamp unit and the second clamp unit. The outer sides of the first clamp unit and the second clamp unit are respectively provided with a fixing piece 11, so that the first clamp unit and the second clamp unit are fixedly connected with the base 1, and the change of the distance between the adjusted first clamp unit and the adjusted second clamp unit is prevented. An adjustable blade is arranged in the second dovetail groove 14, can move left and right along the second dovetail groove 14, is arranged on the side surface of the optical fiber 8 and faces the optical fiber 8, and cuts a coating layer of the optical fiber 8. Two limiting pieces 12 are arranged in the second dovetail groove 14, and the two limiting pieces 12 are arranged on two sides of the adjustable blade and used for limiting the stroke of the adjustable blade.

The adjustable blade includes guide post 5, and 5 bottoms of guide post are equipped with the slider, and in the second dovetail 14 was located to the slider, the level was worn to establish the screw rod and both threaded connection in the slider, and the motor control screw rod rotates, drives the slider and removes along the screw rod, and then drives guide post 5 and removes about along second dovetail 14. The sleeve 6 is sleeved on the guide post 5, the sleeve 6 can move up and down along the guide post 5, the locking nut 7 penetrates through the sleeve 6, and when the locking nut 7 is screwed, the sleeve 6 is fixed on the guide post 5; when the locking nut 7 is unscrewed, the sleeve 6 has no connection relation with the guide post 5. The sleeve 6 is provided with a horizontal supporting arm 9, the supporting arm 9 is provided with a blade 10, and the blade 10 is fixedly connected with the supporting arm 9 through a pressing sheet, so that the blade 10 can be conveniently replaced. The vertical position of the blade 10 is adjusted by the up-and-down movement of the sleeve 6; the guide post 5 is controlled by a motor to reciprocate along the effective stroke of the second dovetail groove 14, and the blade 10 cuts from one end of the optical fiber 8 to the other end of the optical fiber, so that a cutting process is completed.

The first clamp unit comprises a first support 2, the second clamp unit comprises a second support 3, the height of the first support 2 is higher than that of the second support 3, and the first support 2 and the second support 3 are respectively provided with a reducing clamp 4. As shown in fig. 4, 5 and 6, the variable-diameter fixture 4 comprises a fixed disk 4.1, an optical fiber hole is formed in the center of the fixed disk 4.1, 3 clamping grooves 4.2 are radially formed in the fixed disk 4.1, the 3 clamping grooves 4.2 are circumferentially and uniformly arranged at intervals along the optical fiber hole, clamping claws 4.3 are respectively movably arranged in the clamping grooves 4.2, the inner ends of the clamping claws 4.3 are clamping surfaces, the clamping surfaces of the 3 clamping claws 4.3 are surrounded by clamping holes for clamping optical fibers 8, and one layer of polyurethane elastic coating is respectively coated on each clamping surface, so that the clamping claws have certain friction force and certain elasticity, and thus, the coating layer of uncut optical fibers cannot be damaged, and certain tension can be given in the cutting process. Through manual promotion jack catch 4.3 for jack catch 4.3 can advance along the draw-in groove 4.2 that corresponds and retreat, realizes that 3 jack catch 4.3's clamping face can be close to relatively or keep away from, and then adjusts the aperture of pressing from both sides tight hole, satisfies the optic fibre of pressing from both sides tight different diameters, has avoided frequent change anchor clamps, has practiced thrift the cost. The clamping groove 4.2 and the clamping jaw 4.3 are respectively provided with a plurality of locking threaded holes along the length direction. When the clamping surfaces are attached to the optical fibers respectively, the screws penetrate through the locking threaded holes, so that the clamping jaws are fixed with the clamping grooves, the clamping jaws are prevented from moving in the clamping grooves, the optical fibers are locked in the clamping holes, and the optical fibers are fixed in the variable-diameter clamp.

The horizontal gear cover 4.5 is arranged on the first support and the second support respectively, the hand wheel 4.6 is arranged in the gear cover 4.5 in a penetrating mode, the large gear 4.7 and the small gear 4.4 which are meshed with each other are arranged in the gear cover 4.5, the small gear 4.4 is fixed on a rotating shaft of the hand wheel 4.6, the fixed disc 4.1 is arranged on the outer side of the large gear 4.7, and the fixed disc 4.1 is fixedly connected with the large gear 4.7 through the intermediate part 4.8. The hand wheel 4.6 is manually rotated to drive the pinion 4.4 and the bull gear 4.7 to rotate, so as to drive the fixed disk 4.1 to synchronously rotate, so that the angle of the fixed disk 4.1 is adjusted, namely, the optical fiber 8 is driven to rotate by a certain angle. The scales are marked on the hand wheel 4.6 for controlling the rotation of the pinion 4.4, so that the rotation angle of the hand wheel 4.6 is more accurate, the optical fiber is prevented from being distorted due to the fact that the rotation angles of the left clamp unit and the right clamp unit are not consistent in the rotation process, the whole cutting process is more convenient, and the errors of manual operation are reduced.

A method for stripping a coating layer of an optical fiber for high-power laser test comprises the following steps:

the method comprises the following steps: according to the cut length of the optical fiber, the first support 2 and the second support 3 are manually moved, the distance between the first support 2 and the second support 3 is adjusted, and the first support 2 and the second support 3 are respectively fixed with the base 1 by the fixing pieces 11.

Step two: according to the diameter of the optical fiber 8, the aperture of the clamping hole of the two reducing clamps is adjusted, so that two ends of the optical fiber 8 are respectively fixed in the corresponding reducing clamps, and the optical fiber 8 is in an inclined state.

Step three: loosening the locking nut 7, moving the sleeve 6 along the guide post 5 to drive the blade 10 to be far away from the optical fiber 8, and adjusting the blade 10 to a position where the blade does not touch the optical fiber 8; controlling the guide post 5 to move left and right so that the guide post 5 moves to the cutting starting position; adjusting the vertical position of the sleeve 6, adjusting the blade 10 downwards to touch the optical fiber coating layer, screwing the locking nut 7, fixedly connecting the sleeve 6 with the guide post 5, and enabling the blade 10 to reach the initial cutting position. When the blade 10 is lowered down to touch the fibre coating, the sleeve 6 needs to be moved slowly to prevent the blade 10 from damaging the fibre 8 by moving too fast.

Step four: according to the cutting requirement, the two limiting pieces 12 are moved to the designated positions, and the moving range of the guide post 5 is limited.

Step five: as shown in fig. 7, the motor controlling the left and right movement of the guide post 5 is turned on, so that the guide post 5 moves left and right along the second dovetail groove 14, the blade 10 cuts from one end of the optical fiber 8 to the other end of the optical fiber 8, the guide post resets after a cutting process is completed, and the motor is automatically turned off.

Step six: and manually rotating the hand wheel 4.6 to drive the pinion 4.4 and the gearwheel 4.7 to rotate and drive the fixed disk 4.1 to synchronously rotate, so that the fixed disk is rotated by a certain angle at 4.1 angles, the optical fiber 8 is driven to rotate by a certain angle, after the action is finished, the hand wheel 4.6 is stopped to rotate, and the fifth step is repeated, so that the circular reciprocating motion is realized, and the cutting of the optical fiber coating layer is further finished. As shown in fig. 8, the cut optical fiber coating layer is similar to the cut end face of a pencil, and has a certain step, so that the concentration of heat can be reduced compared with the neat optical fiber end face, the heat can be conveniently dissipated, and the high-power laser performance of the optical fiber can be better evaluated and tested.

The clamp units with two different heights clamp the optical fiber, so that the optical fiber to be cut is obliquely placed, on one hand, a feed path of the blade can be more convenient for cutting an optical fiber coating layer, the tension applied to the optical fiber during cutting can be reduced, the optical fiber is guaranteed to be continuously cut in the cutting process, and the integrity and consistency of the cutting end face of the optical fiber are guaranteed. Can adjust the tight hole aperture of clamp according to the optic fibre diameter through reducing anchor clamps, be applicable to the optic fibre of different diameters, avoid frequently changing anchor clamps, the cost is reduced. The length of the cut optical fiber is adjusted by the scale on the base and the limiting pieces on the two sides of the guide post, so that the accuracy of the cutting stroke is improved, and the optical fiber can be prevented from being damaged due to overlong cutting in the cutting process. The blade is controlled to move left and right through one motor, and the cutting of different cutting surfaces of the optical fiber is realized through small-angle rotation of the optical fiber controlled by the other motor, so that the cutting process is more convenient, the errors of manual operation are reduced, and the requirements on operators are reduced.

In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a device is peeled off with optic fibre coating to high power laser test which characterized in that: the optical fiber clamp comprises a base (1), wherein a first clamp unit and a second clamp unit which are used for clamping an optical fiber (8) are arranged on the base (1) in a sliding mode; the base (1) is also provided with an adjustable blade in a sliding manner, and the adjustable blade is arranged on the side surface of the optical fiber (8) and used for cutting an optical fiber coating layer;

the adjustable blade comprises a guide post (5), a sleeve (6) is sleeved on the guide post (5), a horizontal support arm (9) is arranged on the sleeve (6), a blade (10) is arranged on the support arm (9), a locking nut (7) penetrates through the sleeve (6), and when the locking nut (7) is unscrewed, the sleeve (6) can move up and down relative to the guide post (5) to drive the support arm (9) to move synchronously, so that the vertical position of the blade (10) is adjusted; when the locking nut (7) is screwed, the sleeve (6) is fixedly connected with the guide post (5).

2. The optical fiber coating layer stripping device for the high-power laser test according to claim 1, wherein: offer first dovetail (13) and second dovetail (14) of parallel arrangement on base (1), first anchor clamps unit and second anchor clamps unit are located in first dovetail (13), adjustable blade is located in second dovetail (14), is located be equipped with the scale mark on base (1) of first dovetail (13), the length direction setting of first dovetail (13) is followed to the scale mark.

3. The optical fiber coating layer stripping device for the high-power laser test according to claim 1, wherein: the first clamp unit comprises a first support (2), the second clamp unit comprises a second support (3), the first support (2) and the second support (3) are respectively provided with a variable-diameter clamp (4), and the height of the first support (2) is higher than that of the second support (3), so that the optical fiber (8) is in an inclined state.

4. The optical fiber coating layer stripping device for the high-power laser test according to claim 3, wherein: reducing anchor clamps (4) include fixed disk (4.1), the optical fiber hole is seted up at fixed disk (4.1) center, radially set up a plurality of draw-in grooves (4.2) on fixed disk (4.1), it is a plurality of draw-in groove (4.2) set up along the even interval of optical fiber hole hoop, the activity is equipped with jack catch (4.3) respectively in draw-in groove (4.2), jack catch (4.3) inner is for pressing from both sides tight face, and is a plurality of the tight face of clamp catch (4.3) encloses and is established into the tight hole of clamp that is used for pressing from both sides tight optic fibre (8), jack catch (4.3) can remove along corresponding draw-in groove (4.2) for the tight face of clamp of a plurality of jack catches (4.3) can be close to relatively or keep away from, and then adjust the aperture of pressing from both sides tight hole.

5. The optical fiber coating layer stripping device for the high-power laser test according to claim 4, wherein: and elastic pieces are arranged on the clamping surfaces of the clamping jaws (4.3).

6. The optical fiber coating layer stripping device for the high-power laser test according to claim 4, wherein: the horizontal type gear cover is characterized by further comprising a gear cover (4.5) and a hand wheel (4.6), wherein a large gear (4.7) and a small gear (4.4) which are meshed with each other are arranged in the gear cover (4.5), a rotating shaft of the hand wheel (4.6) penetrates through the gear cover (4.5), and the small gear (4.4) is fixed on the rotating shaft of the hand wheel (4.6); the outer side of the large gear (4.7) is provided with a fixed disc (4.1), the fixed disc (4.1) is fixedly connected with the large gear (4.7), the hand wheel (4.6) is manually rotated to drive the small gear (4.4) and the large gear (4.7) to rotate, and the fixed disc (4.1) is driven to synchronously rotate.

7. The optical fiber coating layer stripping device for the high-power laser test according to claim 6, wherein: the hand wheel (4.6) is provided with angle scale marks, so that the rotation angle of the hand wheel (4.6) can be conveniently controlled.

8. The optical fiber coating layer stripping device for the high-power laser test according to claim 2, wherein: two fixing pieces (11) are arranged on the first dovetail groove (13), and one fixing piece (11) acts on the first clamp unit to enable the first clamp unit to be fixedly connected with the base (1); the other fixing piece (11) acts on the second clamp unit, so that the second clamp unit is fixedly connected with the base (1).

9. The optical fiber coating layer stripping device for the high-power laser test according to claim 2, wherein: the second dovetail groove (14) is provided with two limiting pieces (12), the two limiting pieces (12) are arranged on two sides of the guide post (5) and limit the moving range of the guide post (5).

10. The optical fiber coating layer stripping device for the high-power laser test according to claim 1, wherein: the blade (10) is fixedly connected with the support arm (9) through a pressing sheet.

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