CN218272779U

CN218272779U - Optical fiber mould stripper for high-power optical fiber laser

Info

Publication number: CN218272779U
Application number: CN202222113933.4U
Authority: CN
Inventors: 田胜
Original assignee: St Technologies Co ltd
Current assignee: St Technologies Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-01-10
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses a mould ware is shelled to optic fibre for high power fiber laser, including base, quartz plate, apron and optic fibre, still include: the limiting assembly is connected with the cover plate and used for limiting and fixing the base and the cover plate, the limiting assembly comprises a sleeve, an elastic piece, a pin shaft and a push rod, the push rod is in sliding fit with the sleeve, the elastic piece is located in the sleeve and is fixedly connected with the sleeve and the push rod, the pin shaft is in sliding fit with the sleeve and the push rod, the sleeve is in sliding fit with a jack arranged on the base, the pin shaft is in sliding fit with a pin hole arranged on the base, and an electromagnet is fixedly connected with the sleeve and the push rod in an embedded mode, so that the fiber stripping device belongs to the technical field of fiber stripping devices; the utility model discloses well push rod can carry out linear sliding and insert the mode in the pinhole along the horizontal direction through promoting the round pin axle, realizes carrying out quick fixed technological effect to base and apron.

Description

Optical fiber mould stripper for high-power optical fiber laser

Technical Field

The utility model belongs to the technical field of the mould ware is shelled to the fibre, especially, relate to a mould ware is shelled to optic fibre for high power fiber laser.

Background

Generally, when a high-power fiber laser is manufactured, pump light and high-order mode laser inside the fiber laser need to be stripped, so that the influence on an optical device can be reduced, and the influence on the later-stage laser processing effect due to poor quality of output light beams can be avoided.

Chinese patent No. CN213149300U proposes an optical fiber mold stripper for high power fiber laser, which mainly aims to solve the technical problems of the existing optical fiber mold stripper for high power fiber laser, such as mold stripper heating, mold stripper burnout in severe cases, even whole optical module burnout, large temperature step, poor refrigeration effect, and fiber mold stripper heating burnout easily; the bare optical fiber section is provided with a plurality of annular grooves at equal intervals along the axial direction, the optical fiber is positioned below the quartz plate, the bare optical fiber section is suspended in the accommodating space of the water-cooling base, the annular grooves face the inner bottom surface of the water-cooling base, the shortest annular groove is close to the water inlet channel, and the end part of the optical fiber close to one side of the shortest annular groove serves as the light inlet end.

Although the above patent proposes a technical scheme for rapidly cooling the optical fiber, the base and the cover plate are fastened and connected by bolts, and the cooling method for the optical fiber is water cooling, so the bolts are easily rusted, and the fastening effect is not good.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a mould ware is shelled to optic fibre for high power fiber laser has solved above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a mould ware is shelled to optic fibre for high power fiber laser, includes base, quartz plate, apron and optic fibre, quartz plate and apron all with base sliding fit, the optic fibre embedding sets up in the trench offered on the base, still includes:

spacing subassembly, with the apron connection for carry on spacing fixedly to base and apron, spacing subassembly includes sleeve, elastic component, round pin axle and push rod, push rod and sleeve sliding fit, the elastic component be located the sleeve and with sleeve and push rod fixed connection, round pin axle and sleeve and push rod sliding fit, the sleeve with set up the jack sliding fit on the base, round pin axle and the pinhole sliding fit of setting up on the base, embedding fixedly connected with electro-magnet on sleeve and the push rod.

On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:

the further technical scheme is as follows: and a circulating mechanism for liquid circulation is arranged in the base.

The further technical scheme is as follows: the contact surface of the push rod and the pin shaft is an inclined surface.

The further technical scheme is as follows: the middle section of the optical fiber is an optical fiber section with a stripped coating layer, a plurality of annular grooves are formed in the optical fiber section at equal intervals along the axial direction of the optical fiber, the length of each annular groove gradually increases along the axial direction of the optical fiber, the depth of each annular groove gradually increases along the radial direction of the optical fiber, and the annular radian of each annular groove gradually increases.

The further technical scheme is as follows: the cover plate is provided with a plurality of radiating fins in a linear array, and the radiating fins are fixedly connected with the cover plate.

The further technical scheme is as follows: circulation mechanism includes baffle and condenser pipe, the baffle be located the base and with base fixed connection, the baffle is divided into cavity A and cavity B with base inner space, the condenser pipe be located cavity B and with base fixed connection, still include:

and the circulating assembly is connected with the base and is used for promoting the liquid to flow in the cavity A and the cavity B.

The further technical scheme is as follows: the circulation assembly comprises a pipeline and a water pump, the pipeline penetrates through the cavity A and the cavity B, the pipeline is fixedly connected with the base, the water pump is located in the cavity B, and the water pump is fixedly connected with the pipeline.

The further technical scheme is as follows: and the quartz plate, the cover plate, the optical fiber and the base are sealed and fixed by adopting sealant.

Advantageous effects

The utility model provides a mould ware is shelled to optic fibre for high power fiber laser. Compared with the prior art, the method has the following beneficial effects:

1. the optical fiber is clamped into the groove position, the quartz plate is abutted against the optical fiber and seals the base, the cover plate pushes the sleeve to slide along the insertion hole, the push rod is adsorbed by the two electromagnets to slide linearly along the sleeve, the push rod linearly slides along the horizontal direction by pushing the pin shaft and is inserted into the pin hole, the technical effect of quickly fixing the base and the cover plate is achieved, and meanwhile, the liquid in the base can cool the optical fiber by water;

2. the circulating mechanism can utilize a water pump to pump cooling liquid which is located in the cavity B and is cooled by the condenser pipe into the cavity A through a pipeline to enable the liquid which is located in the base to circulate in the cavity A and the cavity B, and the technical effect of rapidly and effectively cooling the optical fiber is achieved.

Drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.

Fig. 2 is a schematic structural diagram of the cooling mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the limiting assembly of the present invention.

Fig. 4 is a schematic structural diagram of the optical fiber of the present invention.

Notations for reference numerals: 1. a base; 2. a quartz plate; 3. a cover plate; 4. an optical fiber; 5. a limiting component; 6. a partition plate; 7. a circulation component; 8. a heat sink; 9. a pipeline; 10. a water pump; 11. a condenser tube; 12. a slot position; 13. a jack; 14. a sleeve; 15. an elastic member; 16. a pin shaft; 17. a push rod; 18. a fiber segment; 19. an annular groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. 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 following detailed description is provided for the specific embodiments of the present invention.

Please refer to fig. 1-4, for the utility model provides an embodiment, an optic fibre stripper for high power fiber laser, including base 1, quartz plate 2, apron 3 and optic fibre 4, quartz plate 2 and apron 3 all with base 1 sliding fit, optic fibre 4 imbeds and sets up in the trench 12 of seting up on base 1, still includes:

spacing subassembly 5, be connected with apron 3, be used for carrying on spacing fixedly to base 1 and apron 3, spacing subassembly 5 includes sleeve 14, elastic component 15, round pin axle 16 and push rod 17, push rod 17 and sleeve 14 sliding fit, elastic component 15 is located sleeve 14 and with sleeve 14 and push rod 17 fixed connection, round pin axle 16 and sleeve 14 and push rod 17 sliding fit, sleeve 14 and the jack 13 sliding fit who sets up on base 1, round pin axle 16 and the pinhole (not marked in the figure) sliding fit who sets up on base 1, embedding fixedly connected with electro-magnet (not marked in the figure) on sleeve 14 and the push rod 17.

Preferably, the electromagnet is electrically connected with a controller embedded in the cover plate 3. The purpose of this arrangement is to facilitate the control of the activation of the two electromagnets by the skilled person.

Preferably, the elastic member 15 is any one of a spring, a compression spring, and an elastic steel plate.

Preferably, the contact surface of the push rod 17 and the pin 16 is an inclined surface. The purpose of this arrangement is to enable the pin 16 to move linearly in the horizontal direction under the push of the push rod 17.

Preferably, the middle section of the optical fiber 4 is an optical fiber section 18 with a stripped coating, a plurality of annular grooves 19 are arranged on the optical fiber section 18 at equal intervals along the axial direction of the optical fiber 4, the length of the plurality of annular grooves 19 gradually increases along the axial direction of the optical fiber 4, the depth gradually deepens along the radial direction of the optical fiber 4, and the annular radian (section radian) gradually increases. The purpose of the arrangement is to utilize the plurality of annular grooves 19 which are formed on the optical fiber section 18 as heat dissipation grooves, and the size of the annular grooves 19 is gradually increased from the light inlet end to the light outlet end, the corresponding light stripping capacity is increased from small to large, the pressure of the light inlet end is relieved, the temperature of the front end and the rear end of the whole optical fiber stripper is balanced, the circulating heat dissipation effect of refrigerating water is further utilized more efficiently and fully, and the problems that the laser is too much stripped at the light inlet end of the existing optical fiber stripper, the bearing pressure is too large, the temperature is too high, and the temperature difference of the whole device is too large are solved.

Preferably, a plurality of radiating fins 8 are arranged on the cover plate 3 in a linear array, and the radiating fins 8 are fixedly connected with the cover plate 3. The purpose of this arrangement is to increase the heat dissipation area of the cover plate 3 by using a heat sink structure.

Preferably, the quartz plate 2, the cover plate 3, and the optical fiber 4 are sealed and fixed with the base 1 by using a sealant. The purpose of this arrangement is to prevent the quartz plate 2, the cover plate 3, and the optical fiber 4 from shaking or even separating from the base 1.

The embodiment of the utility model provides an in, go into the trench 12 with optic fibre 4 card, quartz plate 2 supports presses optic fibre 4 and seals base 1, apron 3 promotes sleeve 14 and slides along jack 13, push rod 17 carries out linear sliding along sleeve 14 under the absorption of two electro-magnets this moment, push rod 17 carries out linear sliding and inserts the downthehole mode of round pin through promoting round pin axle 16 along the horizontal direction, the realization carries out quick fixed technological effect to base 1 and apron 3, the liquid that lies in base 1 simultaneously can carry out water-cooling to optic fibre 4.

Referring to fig. 1-2, as an embodiment of the present invention, a circulation mechanism for circulating liquid is disposed in the base 1.

Preferably, circulation mechanism includes baffle 6 and condenser pipe 11, baffle 6 be located base 1 in and with base 1 fixed connection, baffle 6 divide into cavity A and cavity B with the 1 inner space of base, condenser pipe 11 be located cavity B and with base 1 fixed connection, still include:

and the circulating assembly 7 is connected with the base 1 and is used for promoting the liquid to flow in the cavity A and the cavity B. This arrangement is intended to introduce the liquid cooled by the condenser tube 11 in the chamber B into the chamber a by the circulation unit 7.

Preferably, the circulating assembly 7 includes a pipeline 9 and a water pump 10, the pipeline 9 penetrates through the cavity a and the cavity B, the pipeline 9 is fixedly connected with the base 1, the water pump 10 is located in the cavity B, and the water pump 10 is fixedly connected with the pipeline 9. The purpose of this arrangement is to pump the cooling liquid located in chamber B into chamber a through conduit 9 by means of water pump 10.

In the embodiment of the present invention, the purpose of this arrangement is to promote the cooling circulation of the liquid in the base 1, and increase the cooling efficiency of the optical fiber 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mould ware is shelled to optic fibre for high power fiber laser, includes base (1), quartz plate (2), apron (3) and optic fibre (4), quartz plate (2) and apron (3) all with base (1) sliding fit, optic fibre (4) embedding sets up in trench (12) seted up on base (1), its characterized in that still includes:

spacing subassembly (5), be connected with apron (3) for carry out spacing fixed to base (1) and apron (3), spacing subassembly (5) include sleeve (14), elastic component (15), round pin axle (16) and push rod (17), push rod (17) and sleeve (14) sliding fit, elastic component (15) are located sleeve (14) and with sleeve (14) and push rod (17) fixed connection, round pin axle (16) and sleeve (14) and push rod (17) sliding fit, sleeve (14) and jack (13) sliding fit of seting up on base (1), round pin axle (16) with set up the pinhole sliding fit on base (1), embedding fixedly connected with electro-magnet on sleeve (14) and push rod (17).

2. The fiber stripper for high power fiber laser according to claim 1, characterized in that a circulation mechanism for liquid circulation is provided in the base (1).

3. The fiber stripper for the high-power fiber laser as claimed in claim 1, wherein the contact surface of the push rod (17) and the pin shaft (16) is an inclined surface.

4. The fiber stripper for the high-power fiber laser according to claim 1, wherein the middle section of the optical fiber (4) is a fiber section (18) with a stripped coating layer, a plurality of annular grooves (19) are arranged on the fiber section (18) at equal intervals along the axial direction of the optical fiber (4), the length of the plurality of annular grooves (19) gradually increases along the axial direction of the optical fiber (4), the depth gradually increases along the radial direction of the optical fiber (4), and the annular radian gradually increases.

5. The fiber stripper for high-power fiber laser according to claim 1, wherein a plurality of cooling fins (8) are arranged on the cover plate (3) in a linear array, and the cooling fins (8) are fixedly connected with the cover plate (3).

6. The fiber stripper for high-power fiber laser according to claim 2, wherein the circulating mechanism comprises a partition plate (6) and a condensation pipe (11), the partition plate (6) is located in the base (1) and is fixedly connected with the base (1), the partition plate (6) divides the inner space of the base (1) into a cavity A and a cavity B, the condensation pipe (11) is located in the cavity B and is fixedly connected with the base (1), and the fiber stripper further comprises:

and the circulating assembly (7) is connected with the base (1) and is used for promoting the liquid to flow in the cavity A and the cavity B.

7. The fiber stripper for the high-power fiber laser according to claim 6, wherein the circulating component (7) comprises a pipeline (9) and a water pump (10), the pipeline (9) penetrates through the cavity A and the cavity B, the pipeline (9) is fixedly connected with the base (1), the water pump (10) is located in the cavity B, and the water pump (10) is fixedly connected with the pipeline (9).

8. The fiber stripper for the high-power fiber laser device according to claim 2, wherein the quartz plate (2), the cover plate (3) and the optical fiber (4) are sealed and fixed with the base (1) by using sealant.