CN217687806U

CN217687806U - Optical fiber input end face detection tool

Info

Publication number: CN217687806U
Application number: CN202221657174.1U
Authority: CN
Inventors: 陈志远; 林一凡; 王以静
Original assignee: Jiangxi Lianchuang Optoelectronic Science & Technology Co ltd
Current assignee: Jiangxi Lianchuang Optoelectronic Science & Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-28
Anticipated expiration: 2032-06-29

Abstract

The utility model relates to an optical fiber technology field especially relates to an optical fiber input terminal surface detects frock, including fiber optic microscope and the objective table of taking certainly, be equipped with two dimension regulation platform on the objective table and adjust the platform perpendicularly, the platform is adjusted to the two dimension and includes that X axle adjusts the platform and Y axle adjusts the platform, and the perpendicular slider of adjusting the platform through a linkage plate and Y axle adjustment platform is connected, and the perpendicular top of adjusting the platform and keeping away from fiber optic microscope one side that is located X axle adjustment platform is equipped with the centre gripping subassembly that is used for centre gripping optic fibre on the perpendicular regulation platform, and the perpendicular platform of adjusting is used for adjusting the centre gripping subassembly and reciprocates. In the utility model, the two-dimensional adjusting platform is matched with the vertical adjusting platform, so that three-dimensional adjustment can be effectively realized; the distance from the clamping assembly to the optical fiber microscope can be increased through the connecting plate, so that more accurate focusing is realized; the clamping assembly can effectively position the optical fiber, and the stability of the optical fiber structure is guaranteed not to be damaged.

Description

Optical fiber input end face detection tool

Technical Field

The utility model relates to an optical fiber technology field especially relates to an optical fiber input terminal surface detects frock.

Background

The detection of the input end face of the optical fiber refers to the inspection process of the production and the manufacture of the optical fiber coupling output laser. The technology of the input end face of the optical fiber requires that the end face of the optical fiber needs to be plated with a high-transmittance film so as to reduce the high-temperature risk caused by optical energy loss, and on the other hand, the design concept of high-power laser transmission is also met. For the technical requirements, the inspection requires that the input end face of the optical fiber is not contaminated, scratched, damaged or the like, and the lower limit of the defective dimension is hundreds of nanometers, that is, the defective condition is detected under a microscope of 500 times and is visible to naked eyes.

The existing inspection means generally use a fixed clamp to vertically fix the optical fiber, place the optical fiber on an objective table of an optical fiber microscope, and finely adjust the focal length and the position of the optical fiber end face until the whole optical fiber end face can be seen clearly. However, the existing fixed clamp is not suitable for bare fiber detection, and because the length of the microscope with the objective table is limited, the existing fixed clamp is too close to the lens of the microscope, so that the condition that the optical fiber cannot be effectively focused exists, and the detection accuracy is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an optic fibre input end face detects frock.

The utility model adopts the following technical scheme: the utility model provides an optic fibre input terminal surface detects frock, includes fiber optic microscope and the objective table of taking certainly, be equipped with two-dimentional regulation platform and vertical adjustment platform on the objective table, two-dimentional regulation platform includes that X axle adjusts platform and Y axle and adjusts the platform, the vertical adjustment platform is connected with the slider of Y axle regulation platform through a linking plate, the vertical adjustment platform is located the top that fiber optic microscope one side was kept away from to X axle regulation platform, be equipped with the centre gripping subassembly that is used for centre gripping optic fibre on the vertical adjustment platform, the vertical adjustment platform is used for adjusting the centre gripping subassembly and reciprocates.

Preferably, the vertical adjusting platform comprises a bottom plate and a top plate, the clamping assembly is arranged on the top plate, a sliding groove is formed in the bottom plate, a first wedge block matched with the sliding groove is arranged in the sliding groove, a second wedge block matched with the first wedge block is arranged on the lower end face of the top plate, the second wedge block is embedded in the sliding groove, a fine adjusting screw rod penetrating through the sliding groove is arranged on the side wall of the bottom plate, the fine adjusting screw rod penetrates through the first wedge block and is in threaded connection with the first wedge block, the fine adjusting screw rod can rotate relative to the bottom plate, guide columns are arranged at four corners of the bottom plate, the top plate penetrates through the upper ends of the guide columns, and the top plate can slide relative to the guide columns.

Preferably, the left end and the right end of the first wedge block are provided with first sliding surfaces which incline towards the rear lower part, the left end and the right end of the second wedge block are provided with second sliding surfaces which incline towards the rear lower part, the first sliding surfaces are parallel to the second sliding surfaces, the front end of each second sliding surface is abutted against the first sliding surfaces, the middle part of each second wedge block is provided with a through groove, and the middle part of each first wedge block is embedded in the through groove and can slide relative to the through groove.

Preferably, the top of guide post is equipped with the screens ring, the cover is equipped with reset spring on the guide post, be equipped with the guiding hole that corresponds with the guide post on the roof, the guiding hole is divided into first through-hole and second through-hole from bottom to top, the aperture of second through-hole is greater than first through-hole, the aperture and the guide post looks adaptation of first through-hole, reset spring's upper end and screens ring butt, the bottom surface butt of lower extreme and second through-hole, reset spring is compression state.

Preferably, the top plate is provided with a positioning groove matched with the clamping assembly, and the clamping assembly is embedded in the positioning groove.

Preferably, the front end and the rear end of the sliding groove penetrate through the bottom plate, pressing blocks are arranged at the front end and the rear end of the sliding groove and connected with the bottom surface of the sliding groove, and the fine adjustment screw penetrates through the pressing blocks and can rotate relative to the pressing blocks.

Preferably, the clamping assembly comprises a base and a pressing plate, the rear end of the pressing plate is hinged to the upper end face of the base, a guide groove matched with the optical fiber is formed in the upper end of the base, a rubber rod is embedded into the lower end of the middle of the pressing plate and abutted to the optical fiber, a magnetic column is arranged at the front end of the pressing plate, a magnetic ring corresponding to the magnetic column is arranged on the base, and the magnetic column is magnetically attracted to the magnetic ring.

The utility model discloses one of following beneficial effect has at least:

in the utility model, the two-dimensional adjusting platform is matched with the vertical adjusting platform, so that three-dimensional adjustment can be effectively realized, and the clamping component is adjusted to a position corresponding to the lens of the optical fiber microscope; the distance from the clamping assembly to the optical fiber microscope can be increased through the connecting plate, so that more accurate focusing is realized; the clamping assembly can effectively position the optical fiber, and the stable structure of the optical fiber is guaranteed not to be damaged.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the two-dimensional adjustment platform and the vertical adjustment platform according to the preferred embodiment of the present invention;

FIG. 3 is a schematic view of a vertical adjustment platform according to a preferred embodiment of the present invention;

FIG. 4 is a schematic view of a bottom plate structure in a preferred embodiment of the present invention;

FIG. 5 is a schematic view of the first wedge and the second wedge cooperating with each other according to the preferred embodiment of the present invention;

FIG. 6 is a schematic structural view of a first wedge according to a preferred embodiment of the present invention;

fig. 7 is a schematic view of the lower end surface structure of the top plate in the preferred embodiment of the present invention;

fig. 8 is a schematic structural view of the upper end surface of the top plate in the preferred embodiment of the present invention;

fig. 9 is a schematic structural view of a clamping assembly according to a preferred embodiment of the present invention.

Description of the reference numerals:

the device comprises a 1 optical fiber microscope, a 2 object stage, a 10 two-dimensional adjusting platform, a 11X-axis adjusting platform, a 12Y-axis adjusting platform, a 20 vertical adjusting platform, a 21 connecting plate, a 22 bottom plate, a 221 sliding groove, a 23 top plate, a 231 guide hole, a 232 first through hole, a 233 second through hole, a 234 positioning groove, a 24 first wedge block, a 241 first sliding surface, a 25 second wedge block, a 251 second sliding surface, a 252 through groove, a 26 fine adjustment screw rod, a 27 guide column, a 271 clamping ring, a 28 reset spring, a 29 pressing block, a 30 clamping component, 31 optical fibers, a 32 base, a 321 magnetic ring, a 33 pressing plate, a 331 rubber rod, a 332 magnetic column and a 34 guide groove.

Detailed Description

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 9, the utility model discloses a preferred embodiment, an optic fibre input terminal surface detects frock, including optic fibre microscope 1 and the objective table 2 of taking certainly, be equipped with two-dimentional regulation platform 10 and vertical adjustment platform 20 on objective table 2, platform 10 is adjusted including X axle regulation platform 11 and Y axle regulation platform 12 to two-dimentional, vertical adjustment platform 20 is connected with the slider of Y axle regulation platform 12 through a linking plate 21, vertical adjustment platform 20 is located the top that optic fibre microscope 1 one side was kept away from to X axle regulation platform 11, be equipped with the centre gripping subassembly 30 that is used for centre gripping optic fibre 31 on the vertical adjustment platform 20, vertical adjustment platform 20 is used for adjusting centre gripping subassembly 30 and reciprocates. In the utility model, the two-dimensional adjusting platform 10 is matched with the vertical adjusting platform 20, so that three-dimensional adjustment can be effectively realized, and the clamping component 30 is adjusted to a position corresponding to the lens of the fiber microscope 1; the distance from the clamping assembly 30 to the optical fiber microscope 1 can be increased through the connecting plate 21, so that more accurate focusing is realized, and the situation that the optical fiber 31 is too close to a microscope lens to be focused accurately is avoided; the clamping assembly 30 can effectively position the optical fiber 31, and the structural stability of the optical fiber 31 is guaranteed against being damaged.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

the vertical adjusting platform 20 comprises a bottom plate 22 and a top plate 23, the clamping assembly 30 is arranged on the top plate 23, the bottom plate 22 is provided with a sliding groove 221, a first wedge block 24 matched with the sliding groove 221 is arranged in the sliding groove 221, a second wedge block 25 matched with the first wedge block 24 is arranged on the lower end face of the top plate 23, the second wedge block 25 is embedded in the sliding groove 221, a fine adjusting screw 26 penetrating through the sliding groove 221 is arranged on the side wall of the bottom plate 22, the fine adjusting screw 26 penetrates through the first wedge block 24 and is in threaded connection with the first wedge block, the fine adjusting screw 26 can rotate relative to the bottom plate 22, guide columns 27 are arranged at four corners of the bottom plate 22, the upper ends of the guide columns 27 penetrate through the top plate 23, the top plate 23 can slide up and down relative to the guide columns 27, the fine adjusting screw 26 is rotated, the first wedge block 24 can move back and forth along the fine adjusting screw 26, when the first wedge block 24 moves back, the first wedge block 24 is matched with the second wedge block 25, the top plate 23 can jack up and lift up the top plate 23, and the guide columns 27 can guide the top plate 23 to avoid deviation; in this embodiment, the two-dimensional adjusting platform 10 is a large constant photoelectric optical bar type two-dimensional micro adjusting platform; in specific implementation, the fiber microscope 1 is further connected to a display for displaying the image of the input end face of the optical fiber 31 detected by the fiber microscope 1.

The left end and the right end of the first wedge block 24 are provided with first sliding surfaces 241 which incline towards the rear lower part, the left end and the right end of the second wedge block 25 are provided with second sliding surfaces 251 which incline towards the rear lower part, the first sliding surfaces 241 are parallel to the second sliding surfaces 251, the front end of each second sliding surface 251 is abutted to the corresponding first sliding surface 241, the middle part of the second wedge block 25 is provided with a through groove 252, the middle part of the first wedge block 24 is embedded in the through groove 252 and can slide relative to the through groove 252, the first wedge block 24 moves backwards and can support the second wedge block 25, so that the top plate 23 is supported, and the supporting height is changed along with the change of the moving distance of the first wedge block 24; through the stable matching of the first wedge block 24 and the second wedge block 25, the vertical displacement of the top plate 23 can be adjusted only by rotating the fine adjustment screw 26, so that accurate fine adjustment is realized; in this embodiment, the second wedge 25 is composed of two rectangular plates, the rectangular sides of which are connected to the lower end surface of the top plate 23, and the bevel sides of which are downward; the middle part of the first wedge block 24 is horizontal, the first wedge block 24 moves forwards, the top plate 23 moves downwards, and the width of the middle part of the first wedge block 24 is smaller than the width of the through groove 252; the through groove 252 is a groove with three through sides, and the structure of the groove is matched with the second wedge 25.

The top end of the guide post 27 is provided with a clamping ring 271, the guide post 27 is sleeved with a return spring 28, the top plate 23 is provided with a guide hole 231 corresponding to the guide post 27, the guide hole 231 is divided into a first through hole 232 and a second through hole 233 from bottom to top, the aperture of the second through hole 233 is larger than that of the first through hole 232, the aperture of the first through hole 232 is matched with that of the guide post 27, the upper end of the return spring 28 is abutted against the clamping ring 271, the lower end of the return spring 28 is abutted against the bottom surface of the second through hole 233, the return spring 28 is in a compressed state, the return spring 28 has a rebound force on the clamping ring 271 and the bottom surface of the second through hole 233, but the guide post 27 is fixedly connected with the bottom plate 22, so that the elastic force of the return spring 28 is a downward force on the top plate 23, and the top plate 23 is ensured to move up and down stably; when the first wedge block 24 moves forward, the top plate 23 can quickly respond to downward movement as the top plate 23 is pressed by the return spring 28; the first through hole 232 mainly plays a role of guiding; in this embodiment, the guiding post 27 is a screw, and the positioning ring 271 is a nut of the screw.

Be equipped with the constant head tank 234 with the adaptation of centre gripping subassembly 30 on the roof 23, centre gripping subassembly 30 inlays in constant head tank 234, and constant head tank 234 can effectively fix a position centre gripping subassembly 30, avoids its not hard up aversion.

The front end and the rear end of the sliding groove 221 penetrate through the bottom plate 22, the front end and the rear end of the sliding groove 221 are provided with the pressing blocks 29, the pressing blocks 29 are connected with the bottom surface of the sliding groove 221, the fine adjustment screw 26 penetrates through the pressing blocks 29 and can rotate relative to the pressing blocks 29, the sliding groove 221 is convenient to machine, the stable rotation of the fine adjustment screw 26 can be guaranteed through the arrangement of the pressing blocks 29, and the whole installation is convenient; in this embodiment, the pressing block 29 is connected to the inner bottom surface of the sliding groove 221 by a bolt.

The clamping assembly 30 comprises a base 32 and a pressing plate 33, the rear end of the pressing plate 33 is hinged with the upper end face of the base 32, the upper end of the base 32 is provided with a guide groove 34 matched with the optical fiber 31, the lower end of the middle part of the pressing plate 33 is embedded with a rubber rod 331, the rubber rod 331 is abutted against the optical fiber 31, the front end of the pressing plate 33 is provided with a magnetic column 332, the base 32 is provided with a magnetic ring 321 corresponding to the magnetic column 332, the magnetic column 332 is magnetically connected with the magnetic ring 321, the optical fiber 31 is placed in the guide groove 34 to be initially positioned, the rubber rod 331 is pressed on the optical fiber 31 through rotating the pressing plate 33, and at the moment, the magnetic column 332 is magnetically connected with the magnetic ring 321, so that the pressing plate 33 effectively positions the optical fiber 31; in this embodiment, a plurality of guide blocks are further disposed on the front and rear sides of the guide groove 34 on the base 32, each two guide blocks are in a group, and each group of guide blocks are symmetrically disposed; the base 32 is nested within the detent 234.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above is only the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by the substantially same means, all belong to the protection scope of the present invention.

Claims

1. The utility model provides an optic fibre input end face detects frock, includes optic fibre microscope (1) and objective table (2) from the area, its characterized in that, be equipped with two-dimentional regulation platform (10) and vertical adjustment platform (20) on objective table (2), two-dimentional regulation platform (10) are including X axle regulation platform (11) and Y axle regulation platform (12), vertical adjustment platform (20) are connected through a slider that links up fishplate bar (21) and Y axle regulation platform (12), vertical adjustment platform (20) are located X axle regulation platform (11) and keep away from the top of optic fibre microscope (1) one side, be equipped with centre gripping subassembly (30) that are used for centre gripping optic fibre (31) on vertical adjustment platform (20), vertical adjustment platform (20) are used for adjusting centre gripping subassembly (30) and reciprocate.

2. The optical fiber input end face detection tool according to claim 1, wherein the vertical adjustment platform (20) comprises a bottom plate (22) and a top plate (23), the clamping assembly (30) is arranged on the top plate (23), a sliding groove (221) is formed in the bottom plate (22), a first wedge block (24) matched with the sliding groove (221) is arranged in the sliding groove (221), a second wedge block (25) matched with the first wedge block (24) is arranged on the lower end face of the top plate (23), the second wedge block (25) is embedded in the sliding groove (221), a fine adjustment screw (26) penetrating through the sliding groove (221) is arranged on the side wall of the bottom plate (22), the fine adjustment screw (26) penetrates through the first wedge block (24) and is in threaded connection with the first wedge block, the fine adjustment screw (26) can rotate relative to the bottom plate (22), guide columns (27) are arranged at four corners of the bottom plate (22), the upper ends of the guide columns (27) penetrate through the top plate (23), and the top plate (23) can slide up and down relative to the guide columns (27).

3. The optical fiber input end face detection tool according to claim 2, wherein a first sliding surface (241) which inclines towards the rear and downward direction is arranged at each of the left end and the right end of the first wedge block (24), a second sliding surface (251) which inclines towards the rear and downward direction is arranged at each of the left end and the right end of the second wedge block (25), the first sliding surface (241) is parallel to the second sliding surface (251), the front end of the second sliding surface (251) abuts against the first sliding surface (241), a through groove (252) is formed in the middle of the second wedge block (25), and the middle of the first wedge block (24) is embedded in the through groove (252) and can slide relative to the through groove (252).

4. The optical fiber input end face detection tool according to claim 2, wherein a clamping ring (271) is arranged at the top end of the guide post (27), a return spring (28) is sleeved on the guide post (27), a guide hole (231) corresponding to the guide post (27) is arranged on the top plate (23), the guide hole (231) is divided into a first through hole (232) and a second through hole (233) from bottom to top, the aperture of the second through hole (233) is larger than that of the first through hole (232), the aperture of the first through hole (232) is matched with the guide post (27), the upper end of the return spring (28) is abutted against the clamping ring (271), the lower end of the return spring is abutted against the bottom face of the second through hole (233), and the return spring (28) is in a compressed state.

5. The optical fiber input end face detection tool according to claim 2, wherein a positioning groove (234) matched with the clamping assembly (30) is formed in the top plate (23), and the clamping assembly (30) is embedded in the positioning groove (234).

6. The optical fiber input end face detection tool according to claim 2, wherein the front end and the rear end of the sliding groove (221) penetrate through the bottom plate (22), pressing blocks (29) are arranged at the front end and the rear end of the sliding groove (221), the pressing blocks (29) are connected with the bottom face of the sliding groove (221), and the fine adjustment screw (26) penetrates through the pressing blocks (29) and can rotate relative to the pressing blocks.

7. The optical fiber input end face detection tool according to claim 1, wherein the clamping assembly (30) comprises a base (32) and a pressing plate (33), the rear end of the pressing plate (33) is hinged to the upper end face of the base (32), a guide groove (34) matched with the optical fiber (31) is formed in the upper end of the base (32), a rubber rod (331) is embedded in the lower end of the middle of the pressing plate (33), the rubber rod (331) abuts against the optical fiber (31), a magnetic column (332) is arranged at the front end of the pressing plate (33), a magnetic ring (321) corresponding to the magnetic column (332) is arranged on the base (32), and the magnetic column (332) is magnetically connected with the magnetic ring (321).