CN113467015B - Center calibrating device of laser coupling platform - Google Patents

Abstract

The invention discloses a center calibration device of a laser coupling table, which comprises a coupling table, a coupling hole is opened on the coupling table, the coupling hole is set through the coupling table, and a laser is fixedly arranged on one side of the coupling table, so that The laser is fixed on one side of the coupling table through a fixing mechanism, and the output end of the laser is set corresponding to the coupling hole. Two extension plates are fixed on the side wall of the coupling table away from the laser. The extension boards are arranged symmetrically on both sides of the coupling hole, and two slots corresponding to the extension boards are symmetrically provided on the coupling platform, and a locking mechanism corresponding to the extension boards is provided in the two slots. The invention can fast fix and calibrate the laser and the optical fiber, greatly improve the coupling efficiency, and can perform fast conversion of direct coupling or lens coupling according to requirements, without changing the coupling device, and greatly improves the adaptability of the device.

Description

A center calibration device of a laser coupling table

technical field

The invention relates to the technical field of laser coupling, in particular to a center calibration device of a laser coupling table.

Background technique

At the beginning of using optical fiber for optical signal transmission, it is necessary to use a laser to input the optical signal into the optical fiber. When inputting the optical signal, the output end of the laser needs to be aligned with the optical fiber to ensure that the optical signal enters the optical fiber accurately. The optical signal emitted by the laser There are usually two ways to enter the optical fiber: direct coupling and lens coupling. Direct coupling refers to directly attaching the optical fiber to the output end of the laser, while lens coupling refers to adding a lens between the laser and the lens to converge the optical signal. Then enter the fiber.

However, in the prior art, the traditional coupling device is difficult to adapt to direct coupling and lens coupling at the same time during use. When the coupling method needs to be replaced, it is often necessary to replace the coupling device to complete it. The adaptability is poor and the coupling efficiency is greatly reduced. , so we propose a center calibration device for laser coupling table to solve the timing problem.

Contents of the invention

The purpose of the present invention is to solve the shortcomings in the prior art, such as: the traditional coupling calibration device has poor adaptability, it is difficult to replace the direct coupling or lens coupling according to the needs, which greatly reduces the coupling efficiency, and a proposed A central calibration device for a laser coupling table.

In order to achieve the above object, the present invention adopts the following technical solutions:

A central calibration device for a laser coupling table, comprising a coupling table, a coupling hole is opened on the coupling table, the coupling hole is set through the coupling table, a laser is fixedly arranged on one side of the coupling table, and the laser is fixed through the The mechanism is fixed on one side of the coupling table, and the output end of the laser is set corresponding to the coupling hole. Two extension plates are fixed on the side wall of the coupling table away from the laser, and the two extension plates are symmetrical. It is arranged on both sides of the coupling hole. Two slots corresponding to the extension board are symmetrically opened on the coupling table, and a locking mechanism corresponding to the extension board is provided in the two slots. A lens is also slidably arranged between the plates, and the lens is slidably arranged on the extension plate through a sliding mechanism. The ends of the two extension plates away from the coupling table are fixedly provided with inserting rods, and the two extension plates are far away from the coupling table. A fixed seat is fixedly arranged at one end of the fixed seat, and a male and female slot corresponding to the insertion rod is opened on the side wall of the fixed seat close to the extension plate, and an optical fiber clamping device is also provided on the fixed seat.

Preferably, the fixing mechanism includes two pressing plates, and the two pressing plates are symmetrically arranged on one side wall of the coupling table, and two pressing plates are symmetrically rotated and provided with two second pressing plates. A threaded rod, the four first threaded rods are all rotated through the pressing plate, and the side wall of the coupling table is provided with four threaded grooves corresponding to the first threaded rod, and the two pressing plates are Stick to laser settings.

Preferably, the clamping mechanism includes four clamping plates, the side walls on both sides of the two slots are provided with telescopic slots, the four clamping plates are respectively slidably arranged in the four telescopic slots, and the four The clamps are all connected to the inner wall of the telescopic slot through springs, and the side walls on both sides of one end of the two extension plates close to the slots are provided with slots corresponding to the clamps, and the four clamps are close to the insertion slots. One side of the slot opening is inclined, and the four clamping plates are provided with corresponding control mechanisms.

Preferably, the control mechanism includes four driving rods, the four driving rods are respectively fixed on the side walls of the four clamping plates, and the four driving rods are all slidably set through the side walls of the coupling table, the The side wall of the coupling table is provided with four bar-shaped sliding openings corresponding to the driving lever.

Preferably, the sliding mechanism includes two arc-shaped slide plates, slide bars are fixedly arranged on the side walls of both sides of the two arc-shaped slide plates, and there are two symmetrical openings corresponding to the slide bars on the two extension plates. The chute, the lens is fixedly arranged between two arc-shaped slide plates, and the lens and the coupling hole are arranged correspondingly, the side walls of the four slide bars are all rotated with buckles, and the two extension plates A plurality of bayonet sockets corresponding to the buckles are symmetrically arranged on the side wall near the slide bar.

Preferably, the optical fiber clamping device includes two clamping plates, the fixing seat is provided with an optical fiber fixing port, and the two clamping plates are symmetrically slid in the optical fiber fixing port through two telescopic rods. The side wall of the optical fiber fixing port is symmetrically provided with four receiving grooves corresponding to the telescopic rods, and the side walls of the two clamping plates close to the telescopic rods are also rotated with second threaded rods. The two threaded rods are all rotated through the side walls of the fixed seat, and the side walls on both sides of the fixed seat are provided with threaded through holes corresponding to the second threaded rods. The two second threaded rods are far away from the clamping plate. One end is fixedly provided with a second rotating handle, and the optical fiber fixing port is also provided correspondingly to the coupling hole.

Compared with the prior art, the beneficial effect of the present invention is: through the cooperation of the first threaded rod, the pressing plate and the thread groove, the turning of the first rotating handle can drive the pressing plate to press against the laser, thereby realizing The fixation of the laser on the coupling table effectively avoids the problem that the loosening of the laser affects the coupling effect. By setting the alignment of the coupling hole, the lens and the fixed port of the fiber, it is convenient for the output end of the laser to be quickly aligned with the fiber, which greatly improves the calibration efficiency. By setting The lever and the insertion rod are convenient and quick to remove the extension plate, so that the extension plate of different lengths can be replaced according to the needs, so that the direct coupling or the lens coupling can be quickly changed, which greatly improves the adaptability of the device and does not need to replace the device, further improving To improve the coupling efficiency, the sliding of the lens on the extension plate is realized through the cooperation of the arc-shaped sliding plate and the sliding rod, and then the rapid adjustment of the position of the lens is realized so that the optical signal can be accurately converged into the optical fiber, and then through the buckle and bayonet. The combination realizes the fast fixing of the lens and effectively prevents the lens shaking from affecting the coupling effect. Through the cooperation of the second threaded rod and the clamping plate, turning the second handle can drive the clamping plate closer or farther away, thereby realizing In order to quickly clamp and fix the input end of the optical fiber, the restriction on the clamping plate is realized by setting the telescopic rod, and the clamping effect is prevented from being affected by the rotation of the clamping plate.

Description of drawings

Fig. 1 is the structural representation of the central alignment device of a kind of laser coupling stage that the present invention proposes;

Fig. 2 is the side structure schematic diagram of the central alignment device of a kind of laser coupling platform proposed by the present invention;

Fig. 3 is a schematic view of the side structure at the lens;

FIG. 4 is a schematic diagram of the structure at point A in FIG. 3 .

In the figure: 1 coupling table, 2 coupling hole, 3 first threaded rod, 4 pressing plate, 5 first turning handle, 6 laser, 7 extension plate, 8 chute, 9 curved slide plate, 10 slide rod, 11 lens , 12 buckles, 13 slots, 14 telescopic slots, 15 clamps, 16 springs, 17 levers, 18 fixing seats, 19 optical fiber fixing ports, 20 clamping plates, 21 second threaded rods, 22 second turning handles, 23 telescoping rods.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Referring to Figures 1-4, a central calibration device for a laser coupling station includes a coupling station 1, a coupling hole 2 is opened on the coupling station 1, the coupling hole 2 is set through the coupling station 1, and a laser is fixedly installed on one side of the coupling station 1 6. The laser 6 is fixed on one side of the coupling table 1 through a fixing mechanism. The fixing mechanism includes two pressing plates 4, and the two pressing plates 4 are symmetrically arranged on one side wall of the coupling table 1, and the two pressing plates Two first threaded rods 3 are symmetrically rotated on the tightening plate 4, and four first threaded rods 3 are all rotated and set through the pressing plate 4. On the side wall of the coupling table 1, four first threaded rods 3 are provided. Corresponding threaded grooves, two pressing plates 4 are set close to the laser 6, and the output end of the laser 6 is set corresponding to the coupling hole 2, and two extension plates are fixedly installed on the side wall of the coupling table 1 away from the laser 6 7. Two extension boards 7 are symmetrically arranged on both sides of the coupling hole 2. Two slots 13 corresponding to the extension board 7 are symmetrically opened on the coupling table 1, and the two slots 13 are provided with corresponding extension boards 7. The clamping mechanism includes four clamping plates 15, the two side walls of the two slots 13 are provided with telescopic grooves 14, and the four clamping plates 15 are respectively slidably arranged in the four telescopic grooves 14, and the four Each clamping plate 15 is all connected with the inwall of telescopic slot 14 by spring 16, and two extension plates 7 are all provided with the draw-in groove corresponding with clamping plate 15 on the side wall of one end near slot 13, four clamping plates 15 The side near the opening of the slot 13 is inclined, and the four clamps 15 are provided with corresponding control mechanisms. The control mechanism includes four driving levers 17, and the four driving levers 17 are respectively fixed on four On the side wall of the clamping plate 15, and the four driving rods 17 all slide through the side wall of the coupling table 1, and the side wall of the coupling table 1 is provided with four bar-shaped sliding openings corresponding to the driving rods 17, and two extension plates 7 is also slidably provided with a lens 11, and the lens 11 is slidably arranged on the extension plate 7 through a sliding mechanism. The sliding mechanism includes two arc-shaped slide plates 9, and slide bars are fixedly arranged on both side walls of the two arc-shaped slide plates 9. 10. Two extension plates 7 are symmetrically provided with two chute slots 8 corresponding to the slide bar 10, and the lens 11 is fixedly arranged between the two arc-shaped slide plates 9, and the lens 11 is set correspondingly to the coupling hole 2, and the four slides Buckles 12 are rotated on the side walls of the rod 10, and a number of bayonets corresponding to the buckles 12 are symmetrically arranged on the side walls of the two extension plates 7 close to the slide bar 10, and the two extension plates 7 are far away from the coupling. One end of the table 1 is fixedly provided with an insertion rod, and one end of the two extension plates 7 away from the coupling table 1 is fixedly provided with a fixing seat 18, and a side wall of the fixing seat 18 close to the extension plate 7 is provided with a corresponding to the insertion rod. Male and female slots, and the fixed seat 18 is also provided with an optical fiber clamping device, the optical fiber clamping device includes two clamping plates 20, the fixed seat 18 is provided with an optical fiber fixing port 19, and the two clamping plates 20 pass through two Two telescopic rods 23 are symmetrically slidably arranged in the optical fiber fixing port 19, and four receiving grooves corresponding to the telescopic rods 23 are symmetrically opened on the side wall of the optical fiber fixing port 19, and two clamping plates 20 are close to one side of the telescopic rod 23. The second threaded rod 21 is also rotated on the wall, and the two second threaded rods 21 are all rotated through the side walls of the fixed seat 18, and the side walls on both sides of the fixed seat 18 are provided with corresponding to the second threaded rods 21. Threaded through holes, the ends of the two second threaded rods 21 away from the clamping plate 20 are fixedly provided with second handles 22, and the optical fiber fixing port 19 is also set correspondingly to the coupling hole 2, through the first threaded rod 3 and the pressing plate 4 and the cooperation of the threaded groove realize the turning of the first turning handle 5 to drive the pressing plate 4 to press against the laser 6, thereby realizing the fixation of the laser 6 on the coupling table 1 and effectively avoiding the loosening of the laser 6 and affecting the coupling The problem of the effect, by setting the alignment of the coupling hole 2, the lens 11 and the fiber fixing port 19, it is convenient for the output end of the laser 6 to be quickly aligned with the fiber, which greatly improves the calibration efficiency. 7 is disassembled, so that the extension plate 7 of different length can be replaced according to the needs, so that the direct coupling or the lens 11 coupling can be quickly changed, which greatly improves the adaptability of the device, does not need to replace the device, and further improves the coupling efficiency. 9 cooperates with the sliding rod 10 to realize the sliding of the lens 11 on the extension plate 7, and then realizes the rapid adjustment of the position of the lens 11 so that the optical signal can be accurately converged into the optical fiber, and then through the cooperation of the buckle 12 and the bayonet, The fast fixing of the lens 11 is realized, and the shaking of the lens 11 is effectively prevented from affecting the coupling effect. Through the cooperation of the second threaded rod 21 and the clamping plate 20, the second rotating handle 22 can be turned to drive the clamping plate 20 closer or closer. Far away, so that the input end of the optical fiber can be quickly clamped and fixed. By setting the telescopic rod 23, the restriction on the clamping plate 20 is realized, and the rotation of the clamping plate 20 is prevented from affecting the clamping effect.

In the present invention, when the laser 6 is coupled with the optical fiber, when direct coupling is used, the shortest extension plate 7 is selected, and the extension plate 7 is put into the slot 13 until the clamping plate 15 is snapped into the slot to complete the alignment of the extension plate. 7 is installed and fixed, and then the insertion rod at the other end of the extension plate 7 is put into the male and female slots on the fixed seat 18, so as to complete the assembly of the device, and the laser 6 is placed between the pressing plate 4 and the coupling table 1, After adjusting the output end of the laser 6 to be aligned with the coupling hole 2, turn the first rotating handle 5 to drive the first threaded rod 3 to rotate, thereby driving the pressing plate 4 to slide in the direction of the coupling table 1, thereby pressing the laser 6 to complete the alignment. To fix the laser 6, pass the optical fiber through the optical fiber fixing port 19, adjust the optical fiber into the coupling hole 2 to fit the output end of the laser 6, and then turn the second rotating handle 22 to drive the second threaded rod 21 to rotate to drive the two clips When the holding plate 20 is gathered together, the clamping and fixing of the optical fiber can be completed, so that direct coupling can be performed. When it is necessary to change the coupling to the lens 11, it is only necessary to move the lever 17 to drive the clamping plate 15 into the telescopic groove 14, and the optical fiber can be quickly Remove the extension plate 7, replace the longer extension plate 7 with lens 11, install the extension plate 7 on the coupling table 1, and then install the fixing seat 18 on the extension plate 7, then insert the optical fiber into the fiber fixing port 19, turn the second rotating handle 22 to drive the clamping plate 20 to fix the optical fiber, slide the lens 11, adjust the position of the lens 11 so that the light can be accurately injected into the optical fiber, and then snap the buckle 12 to fix the lens 11, and then proceed The lens 11 is coupled, which greatly improves the adaptability of the device.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (4)

1. a center alignment device of a laser coupling station, comprising a coupling station (1), is characterized in that, a coupling hole (2) is provided on the coupling station (1), and the coupling hole (2) runs through the coupling station ( 1) setting, one side of the coupling table (1) is fixedly provided with a laser (6), and the laser (6) is fixedly arranged on one side of the coupling table (1) through a fixing mechanism, and the laser (6) The output end of the coupling hole (2) is arranged correspondingly, and two extension plates (7) are fixedly arranged on the side wall of the coupling table (1) away from the laser (6), and the two extension plates (7) It is symmetrically arranged on both sides of the coupling hole (2), and two slots (13) corresponding to the extension plate (7) are symmetrically opened on the coupling platform (1), and the two slots (13) are provided with A clamping mechanism corresponding to the extension plate (7) is provided, and the clamping mechanism includes four clamping plates (15), and telescopic slots (14) are provided on both side walls of the two slots (13) , the four clamping plates (15) are respectively slidably arranged in the four telescopic slots (14), and the four clamping plates (15) are all connected to the inner walls of the telescopic slots (14) by springs (16), Two said extension boards (7) are provided with draw-in slots corresponding to the card boards (15) on the side walls of one end near the slot (13), and four said card boards (15) are close to the slots (13). ) one side of the opening is inclined, and the four clamps (15) are provided with a corresponding control mechanism, the control mechanism includes four driving levers (17), and the four driving levers (17) are respectively fixedly arranged on the side walls of the four clamping plates (15), and the four driving rods (17) all slide through the side walls of the coupling table (1), and the side walls of the coupling table (1) There are four strip-shaped sliding openings corresponding to the lever (17) on the wall, and a lens (11) is slidably arranged between the two extension plates (7), and the lens (11) is slidably arranged by a sliding mechanism On the extension board (7), the ends of the two extension boards (7) away from the coupling table (1) are fixedly provided with inserting rods, and the ends of the two extension boards (7) away from the coupling table (1) A fixed seat (18) is fixedly arranged, and a male and female slot corresponding to the insertion rod is provided on the side wall of the fixed seat (18) close to the extension plate (7), and there are also male and female slots corresponding to the insertion rod on the fixed seat (18). Equipped with optical fiber clamping device. 2. The center alignment device of a laser coupling table according to claim 1, wherein the fixing mechanism comprises two pressing plates (4), and the two pressing plates (4) are arranged symmetrically on On one side wall of the coupling table (1), and two first threaded rods (3) are symmetrically rotated on the two said pressing plates (4), four said first threaded rods (3) They are all rotated and set through the pressing plate (4), and four thread grooves corresponding to the first threaded rod (3) are opened on the side wall of the coupling platform (1), and the two pressing plates (4) are both Close to the laser (6) setting. 3. The center alignment device of a laser coupling table according to claim 1, wherein the sliding mechanism comprises two arc-shaped slide plates (9), and the two sides of the arc-shaped slide plates (9) Slide bars (10) are fixedly arranged on the side walls, and two chute (8) corresponding to the slide bars (10) are symmetrically opened on the two extension plates (7), and the lens (11) is fixedly arranged on Between the two arc-shaped slide plates (9), and the lens (11) is arranged correspondingly to the coupling hole (2), the side walls of the four slide bars (10) are all rotatably provided with buckles (12), A number of bayonets corresponding to the buckles (12) are symmetrically arranged on the side walls of the two extension plates (7) close to the slide bar (10). 4. The center alignment device of a laser coupling station according to claim 1, wherein the optical fiber clamping device comprises two clamping plates (20), and the fixed seat (18) is provided with an optical fiber The fixed port (19), the two clamping plates (20) are symmetrically slid in the optical fiber fixed port (19) through two telescopic rods (23), and the side walls of the optical fiber fixed port (19) are symmetrical There are four receiving slots corresponding to the telescopic rods (23), and the side walls of the two clamping plates (20) close to the telescopic rods (23) are also rotated to be provided with a second threaded rod (21). The two second threaded rods (21) are all rotated through the side walls of the fixed seat (18), and the side walls on both sides of the fixed seat (18) are provided with threads corresponding to the second threaded rods (21). Through holes, the ends of the two second threaded rods (21) away from the clamping plate (20) are fixedly provided with second handles (22), and the optical fiber fixing port (19) is also connected to the coupling hole (2) corresponding settings.

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