Energy-saving multi-core fiber grating processing device and processing method

Abstract

The invention relates to the technical field of fiber bragg grating processing equipment, and provides an energy-saving type multi-core fiber bragg grating processing device and a processing method.The device comprises a workbench, two limiting assemblies are symmetrically fixed to the left side of the top wall of the workbench, and the limiting assemblies are used for limiting a to-be-processed fiber bragg grating; a plurality of groups of fiber bragg grating inscribing machines are arranged above the left side of the workbench through a mounting frame; a first air cylinder is fixed to the center of the top wall of the rack, the movable end of the bottom of the first air cylinder slidably penetrates through the top wall of the rack and is fixedly provided with a mounting plate, and a driving assembly is arranged on one side of the mounting plate; according to the technical scheme, the problems that when an existing fiber bragg grating machining device is used, generally, only one-way machining can be conducted on the fiber bragg grating, the fiber bragg grating is moved to next equipment to be operated after one step is executed, operation is tedious, and meanwhile machining efficiency is low are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of optical fiber grating processing equipment, and in particular to an energy-saving multi-core optical fiber grating processing device and a processing method. Background Art

[0002] Fiber Bragg grating is a component with important applications in the fields of fiber laser, optical communication, optical sensing, etc. In order to improve the photosensitivity of the optical fiber, high-pressure hydrogen sensitization technology is usually used to increase the "defect" concentration in the optical fiber material. The basic principle is that high-pressure hydrogen is evenly diffused into the cladding and core of the optical fiber. Under the irradiation of ultraviolet light, the coherent pattern of the incident light is written into the core and a periodic change in the axial refractive index of the core is generated. The hydrogen molecules in the core react to form chemical bonds and defect centers such as Ge-OH and Ge-H bonds, thereby forming a fiber Bragg grating.

[0003] The fiber Bragg grating preparation process generally includes fiber hydrogen loading, fiber Bragg grating writing, fiber Bragg grating annealing, etc., and the existing fiber Bragg grating processing equipment can generally only perform unilateral processing on the fiber Bragg grating when in use. After completing one step, the fiber Bragg grating is moved to the next device for operation. The operation is cumbersome and the processing efficiency is low. Summary of the invention

[0004] The present invention proposes an energy-saving multi-core fiber grating processing device and processing method, which solves the problem that the existing fiber grating processing device in the related art can generally only perform unilateral processing on the fiber grating when in use, and after executing one step, the fiber grating is moved to the next device for operation, which is cumbersome to operate and has low processing efficiency.

[0005] The technical solution of the present invention is as follows: An energy-saving multi-core optical fiber grating processing device, comprising: A workbench, wherein two limit assemblies are symmetrically fixed on the left side of the top wall of the workbench, and the limit assemblies are used to limit the fiber grating to be processed. A plurality of fiber grating writer sets are installed on the upper left side of the workbench through a mounting frame; A frame, a first cylinder is fixed at the center of the frame top wall, a movable end at the bottom of the first cylinder slides through the frame top wall and is fixed with a mounting plate, a driving assembly is installed on one side of the mounting plate, a first guide roller matched with the driving assembly is installed on the top wall of the workbench, and a second guide roller is installed on the right side of the frame; An annealing assembly, the annealing assembly being symmetrically fixed on the bottom wall of the mounting plate and the top wall of the workbench; A cutting cooling assembly is fixed on the right side of the top wall of the workbench, and a collection box is installed in the workbench at a position corresponding to the cutting cooling assembly.

[0006] Preferably, the limiting assembly comprises a base, the base is fixed on the top wall of the workbench, and a movable seat is rotatably mounted on one side of the top wall of the base through a hinge; The movable end of the movable seat is connected to the base through a buckle, the bottom wall of the movable seat and the top wall of the base are both provided with a semicircular groove, and an abutment mechanism is installed inside the movable seat at a position corresponding to the semicircular groove; A first ball is rotatably mounted in the semicircular groove of the base.

[0007] Preferably, a slide groove is provided in the movable seat, and the abutment mechanism is installed in the slide groove.

[0008] Preferably, the abutment mechanism comprises a spring, the spring is fixed on the top wall of the slide slot, and a mounting column is fixed on the bottom end of the spring; A second ball is rotatably mounted on the bottom end of the mounting column; The bottom end of the second ball passes through the bottom wall of the movable seat and extends to the outside of the movable seat.

[0009] Preferably, the driving assembly comprises two symmetrically arranged vertical plates, the vertical plates are fixed to the left side of the bottom wall of the mounting plate, and a driving roller is rotatably mounted between the bottoms of the two vertical plates; A servo motor is fixed to the top wall of the mounting plate; The servo motor is connected to the mounting shaft of the driving roller via a transmission mechanism; The transmission mechanism is a synchronous belt mechanism or a chain sprocket mechanism; The driving roller, the first guide roller and the second guide roller are all provided with guide grooves.

[0010] Preferably, a mounting groove is provided on the top wall of the workbench, the first guide roller is rotatably mounted in the mounting groove, and the annealing assembly located below is fixed on the bottom wall of the mounting groove.

[0011] Preferably, the annealing assembly comprises a heating furnace, and an outer wall of the heating furnace is provided with a heating cavity; A plurality of heating wires matching the heating furnace are symmetrically fixed in the heating chamber; The side wall of the heating furnace is provided with an arc groove for the optical fiber grating to pass through.

[0012] Preferably, the cutting cooling assembly comprises a box body, the box body is fixed on the top wall of the workbench, a plurality of through holes are opened through both sides of the box body, and a second cylinder is fixed on the top wall of the box body; The movable end at the bottom of the second cylinder slides through the top wall of the box body and is fixed with a cutter head seat; A cutting knife is fixed at the bottom of the knife head seat; The front and rear walls of the box are both embedded with semiconductor cooling sheets, and the front and rear walls of the box are fixed with heat dissipation fans that match the semiconductor cooling sheets; The cooling end of the semiconductor refrigeration plate is located inside the box, and the heating end of the semiconductor refrigeration plate is located outside the box.

[0013] Preferably, a cutting table cooperating with the cutting knife is fixed to the top wall of the workbench, a storage groove is provided on the front wall of the workbench, the collection box is slidably inserted in the storage groove, and a material drop groove is provided between the top wall of the storage groove and the top wall of the workbench.

[0014] A method for processing a multi-core fiber grating, the method comprising the following steps: Step 1: First, open the movable seat, install the fiber Bragg grating to be processed in the semicircular groove, and place one end of the fiber Bragg grating in the guide groove on the first guide roller, and control the first cylinder to extend until the driving roller and the first guide roller cooperate to clamp one end of the fiber Bragg grating. At this time, close the movable seat and fix the movable seat above the base through the buckle. Step 2: Turn on the servo motor, which drives the driving roller to rotate through the transmission mechanism, and the driving roller drives the fiber grating to move to the right side of the device. At the same time, the fiber grating writer works intermittently to write on the part of the fiber grating that needs to be written; Step 3: The written fiber Bragg grating enters the heating furnace through the arc groove, and the heating furnace is controlled to work. The heating furnace heats the fiber Bragg grating through the heating wire to achieve high-temperature annealing. The annealed fiber Bragg grating enters the cutting and cooling assembly through the second guide roller; Step 4: After the annealed FBG enters the box through the through hole, the semiconductor refrigeration plate and the heat dissipation fan are controlled to work. The semiconductor refrigeration plate can quickly reduce the temperature in the box. The annealed FBG can be cooled quickly. At the same time, when the cutting position of the FBG moves to the bottom of the cutting knife, the second cylinder is controlled to extend. The second cylinder drives the cutting knife to move down and cooperates with the cutting table to cut the FBG. The debris generated during the cutting process enters the collection box through the blanking chute for collection.

[0015] The beneficial effects of the present invention are: 1. The limiting assembly provided in the present invention is used to limit the fiber grating to be processed, so as to ensure that the fiber grating remains stable during the writing process of the fiber grating writer, and to ensure the writing effect. The driving assembly provided is used to drive the fiber grating to move, so that the fiber grating can be sequentially written, annealed, cooled and cut. The first guide roller and the second guide roller provided can guide the fiber grating. The annealing assembly provided is used to anneal the fiber grating after writing, remove the unreacted hydrogen molecules in the optical fiber, and achieve the effect of stabilizing the fiber grating. The cutting and cooling assembly provided is used to cool the annealed fiber grating and cut the entire long strip of fiber grating into grating products of corresponding lengths. The obtained grating products can be directly collected to improve production efficiency.

[0016] 2. The present invention can process multiple fiber gratings at one time, and the annealing component and cutting cooling component provided at the same time can complete the processing operation of the fiber grating at one time. Compared with the traditional multiple processing operations, it can effectively reduce the production cost and energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Figure 1 It is a three-dimensional diagram of the external structure of the present invention; Figure 2 This is a three-dimensional diagram of the structure of the limiting component of the present invention; Figure 3 It is a three-dimensional diagram of the abutment mechanism structure of the present invention; Figure 4 It is a three-dimensional diagram of the structure of the middle part of the workbench of the present invention; Figure 5 It is a three-dimensional diagram of the structure of the driving component and the annealing component of the present invention; Figure 6 A three-dimensional diagram of the structure of the cutting cooling assembly of the present invention; Figure 7 It is a three-dimensional diagram of the structure of the right side of the workbench of the present invention.

[0019] In the figure: 1, workbench; 2, limit assembly; 201, base; 202, movable seat; 203, buckle; 204, first ball; 3, mounting frame; 4, fiber grating writer; 5, frame; 6, first cylinder; 7, mounting plate; 8, drive assembly; 81, vertical plate; 82, drive roller; 83, servo motor; 84, transmission mechanism; 9, first guide roller; 10, annealing assembly; 101, heating furnace; 102, heating chamber; 103, heating wire; 104 , arc groove; 11, mounting groove; 12, second guide roller; 13, cutting cooling assembly; 131, box body; 132, second cylinder; 133, cutter head seat; 134, cutting knife; 135, semiconductor cooling sheet; 136, cooling fan; 14, collecting box; 15, semicircular groove; 16, slide groove; 17, spring; 18, mounting column; 19, second ball bearing; 20, guide groove; 21, through hole; 22, cutting table; 23, blanking groove; 24, storage groove. DETAILED DESCRIPTION

[0020] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Example 1 like Figure 1~Figure 4 As shown, this embodiment proposes: An energy-saving multi-core optical fiber grating processing device, comprising: A workbench 1, two limit assemblies 2 are symmetrically fixed on the left side of the top wall of the workbench 1, and the limit assemblies 2 are used to limit the fiber grating to be processed. A plurality of fiber grating writing machines 4 are installed on the upper left side of the workbench 1 through a mounting frame 3; A frame 5, a first cylinder 6 is fixed at the center of the top wall of the frame 5, a movable end at the bottom of the first cylinder 6 slides through the top wall of the frame 5 and is fixed with a mounting plate 7, a driving assembly 8 is installed on one side of the mounting plate 7, a first guide roller 9 matching the driving assembly 8 is installed on the top wall of the workbench 1, and a second guide roller 12 is installed on the right side of the frame 5; Annealing assembly 10, annealing assembly 10 is symmetrically fixed on the bottom wall of mounting plate 7 and the top wall of workbench 1; The cutting cooling assembly 13 is fixed on the right side of the top wall of the workbench 1 , and a collecting box 14 is installed in the workbench 1 at a position corresponding to the cutting cooling assembly 13 .

[0022] In this embodiment, the limit assembly 2 is used to limit the fiber grating to be processed, ensuring that the fiber grating remains stable during the writing process of the fiber grating writer 4 to ensure the writing effect. The driving assembly 8 is used to drive the fiber grating to move, so that the fiber grating can be written, annealed, cooled and cut in sequence. The first guide roller 9 and the second guide roller 12 can guide the fiber grating. The annealing assembly 10 is used to anneal the fiber grating after writing, remove unreacted hydrogen molecules in the optical fiber, and achieve the effect of stabilizing the fiber grating. The cutting and cooling assembly 13 is used to cool the annealed fiber grating and cut the entire long strip of fiber grating into grating products of corresponding lengths. The obtained grating products can be directly collected to improve production efficiency. The present invention can process multiple fiber gratings at one time, and the annealing assembly 10 and the cutting and cooling assembly 13 can complete the processing operation of the fiber grating at one time. Compared with traditional multiple processing operations, it can effectively reduce production costs and energy consumption.

[0023] Example 2 like Figure 2~Figure 7 As shown, based on the same concept as the above-mentioned embodiment 1, this embodiment further proposes: The limiting assembly 2 includes a base 201, which is fixed on the top wall of the workbench 1, and a movable seat 202 is rotatably mounted on one side of the top wall of the base 201 through a hinge; The movable end of the movable seat 202 is connected to the base 201 through a buckle 203. The bottom wall of the movable seat 202 and the top wall of the base 201 are both provided with a semicircular groove 15. An abutment mechanism is installed inside the movable seat 202 at a position corresponding to the semicircular groove 15. A first ball 204 is rotatably mounted in the semicircular groove 15 of the base 201 .

[0024] A slide groove 16 is defined in the movable seat 202 , and the abutting mechanism is installed in the slide groove 16 .

[0025] The abutment mechanism includes a spring 17, which is fixed on the top wall of the slide slot 16, and a mounting column 18 is fixed to the bottom end of the spring 17; A second ball 19 is rotatably mounted on the bottom end of the mounting column 18; The bottom end of the second ball 19 passes through the bottom wall of the movable seat 202 and extends to the outside of the movable seat 202 .

[0026] In this embodiment, the limit assembly 2 is used to limit the position of the fiber grating to be processed, ensuring that the fiber grating remains stable during the writing process of the fiber grating writer 4, and ensuring the writing effect. When the limit assembly 2 is used, the movable seat 202 is opened, and the fiber grating to be processed is installed in the semicircular groove 15, and then the movable seat 202 is closed, and the movable seat 202 is fixed above the base 201 through the buckle 203. At this time, the fiber grating is squeezed into the semicircular groove 15 by the abutment mechanism, so that when the driving assembly 8 drives the fiber grating to move, it can still remain stable. At the same time, the first ball 204 and the second ball 19 can effectively prevent the fiber grating from rubbing against the base 201 and the movable seat 202 during the movement, causing surface wear.

[0027] The driving assembly 8 includes two symmetrically arranged vertical plates 81, the vertical plates 81 are fixed to the left side of the bottom wall of the mounting plate 7, and a driving roller 82 is rotatably mounted between the bottoms of the two vertical plates 81; A servo motor 83 is fixed to the top wall of the mounting plate 7; The servo motor 83 is connected to the mounting shaft of the driving roller 82 through a transmission mechanism 84; The transmission mechanism 84 is a synchronous belt mechanism or a chain sprocket mechanism; The driving roller 82 and the first guide roller 9 and the second guide roller 12 are all provided with guide grooves 20 .

[0028] A mounting groove 11 is formed on the top wall of the workbench 1 , and the first guide roller 9 is rotatably mounted in the mounting groove 11 . The annealing assembly 10 located below is fixed on the bottom wall of the mounting groove 11 .

[0029] The annealing assembly 10 comprises a heating furnace 101, and a heating chamber 102 is formed on the outer wall of the heating furnace 101; A plurality of heating wires 103 are symmetrically fixed in the heating chamber 102 and matched with the heating furnace 101; The side wall of the heating furnace 101 is provided with an arc-shaped groove 104 for the fiber grating to pass through.

[0030] In this embodiment, the drive assembly 8 is used to drive the fiber Bragg grating to move, so that the fiber Bragg grating can be written, annealed, cooled and cut in sequence. When it is necessary to drive the fiber Bragg grating to move, the first cylinder 6 is controlled to extend, and the first cylinder 6 drives the mounting plate 7 to move downward until the driving roller 82 cooperates with the first guide roller 9 to clamp the fiber Bragg grating. At this time, the switch of the servo motor 83 is turned on, and the servo motor 83 can drive the driving roller 82 to rotate through the transmission mechanism 84, thereby driving the fiber Bragg grating to move. During the downward movement of the mounting plate 7, the two heating furnaces 101 can be attached, and the heating furnace 101 heats the fiber Bragg grating through the heating wire 103 to achieve high-temperature annealing.

[0031] The cutting cooling assembly 13 includes a box body 131, which is fixed on the top wall of the workbench 1. A plurality of through holes 21 are formed on both sides of the box body 131, and a second cylinder 132 is fixed on the top wall of the box body 131. The movable end at the bottom of the second cylinder 132 slides through the top wall of the box body 131 and is fixed with a cutter head seat 133; A cutting knife 134 is fixed at the bottom of the knife head seat 133; Semiconductor cooling sheets 135 are embedded in the front and rear walls of the box body 131, and heat dissipation fans 136 matching with the semiconductor cooling sheets 135 are fixed to the front and rear walls of the box body 131; The cooling end of the semiconductor cooling plate 135 is located inside the box body 131 , and the heating end of the semiconductor cooling plate 135 is located outside the box body 131 .

[0032] A cutting table 22 cooperating with the cutting knife 134 is fixed to the top wall of the workbench 1, a storage groove 24 is opened on the front wall of the workbench 1, and the collection box 14 is slidably inserted in the storage groove 24, and a material drop groove 23 is opened between the top wall of the storage groove 24 and the top wall of the workbench 1.

[0033] In this embodiment, the cutting cooling assembly 13 is used to cool the annealed fiber Bragg grating and cut the entire long strip of fiber Bragg grating into grating products of corresponding lengths. The obtained grating products can be directly collected to improve production efficiency. When the cutting cooling assembly 13 is working, after the annealed fiber Bragg grating enters the box body 131 through the through hole 21, the semiconductor cooling plate 135 and the heat dissipation fan 136 are controlled to work, and the semiconductor cooling plate 135 can quickly reduce the temperature in the box body 131, and the annealed fiber Bragg grating can be quickly cooled. At the same time, when the cutting position of the fiber Bragg grating moves to the bottom of the cutting knife 134, the second cylinder 132 is controlled to extend, and the second cylinder 132 drives the cutting knife 134 to move downward to cooperate with the cutting knife table 22 to cut the fiber Bragg grating. The debris generated during the cutting process enters the collection box 14 through the blanking trough 23 for collection, so as to avoid the accumulation of debris affecting the subsequent cutting operation.

[0034] A method for processing a multi-core fiber grating, the processing method comprising the following steps: Step 1: First, open the movable seat 202, and install the fiber Bragg grating to be processed in the semicircular groove 15, and at the same time place one end of the fiber Bragg grating in the guide groove 20 on the first guide roller 9, and control the first cylinder 6 to extend until the driving roller 82 cooperates with the first guide roller 9 to clamp one end of the fiber Bragg grating, then close the movable seat 202, and fix the movable seat 202 above the base 201 by the buckle 203 provided; Step 2: Turn on the servo motor 83, which drives the driving roller 82 to rotate through the transmission mechanism 84, and the driving roller 82 drives the fiber grating to move to the right side of the device. At the same time, the fiber grating writer 4 works intermittently to write the part of the fiber grating that needs to be written; Step 3: The written fiber Bragg grating enters the heating furnace 101 through the arc groove 104, and the heating furnace 101 is controlled to work. The heating furnace 101 heats the fiber Bragg grating through the heating wire 103 to achieve high-temperature annealing. The annealed fiber Bragg grating enters the cutting cooling assembly 13 through the second guide roller 12; Step 4: After the annealed FBG enters the box 131 through the through hole 21, the semiconductor refrigeration plate 135 and the heat dissipation fan 136 are controlled to work. The semiconductor refrigeration plate 135 can quickly reduce the temperature in the box 131, and the annealed FBG can be quickly cooled down. At the same time, when the cutting position of the FBG moves to the bottom of the cutting knife 134, the second cylinder 132 is controlled to extend, and the second cylinder 132 drives the cutting knife 134 to move downward to cooperate with the cutting table 22 to cut the FBG. The debris generated during the cutting process enters the collection box 14 through the blanking trough 23 for collection.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An energy-saving multi-core fiber grating processing device, characterized in that: include: A workbench (1), wherein two limit assemblies (2) are symmetrically fixed on the left side of the top wall of the workbench (1), and the limit assemblies (2) are used to limit the position of the optical fiber Bragg grating to be processed; and a plurality of sets of optical fiber Bragg grating writing machines (4) are installed on the upper left side of the workbench (1) via a mounting frame (3); A frame (5), a first cylinder (6) is fixed at the center of the top wall of the frame (5), a movable end at the bottom of the first cylinder (6) slides through the top wall of the frame (5) and is fixed with a mounting plate (7), a driving component (8) is installed on one side of the mounting plate (7), a first guide roller (9) matched with the driving component (8) is installed on the top wall of the workbench (1), and a second guide roller (12) is installed on the right side of the frame (5); An annealing assembly (10), the annealing assembly (10) being symmetrically fixed on the bottom wall of the mounting plate (7) and the top wall of the workbench (1); A cutting cooling component (13), wherein the cutting cooling component (13) is fixed to the right side of the top wall of the workbench (1), and a collection box (14) is installed in the workbench (1) at a position corresponding to the cutting cooling component (13).

2. The energy-saving multi-core fiber grating processing device according to claim 1, characterized in that: The limiting assembly (2) comprises a base (201), the base (201) being fixed on the top wall of the workbench (1), and a movable seat (202) being rotatably mounted on one side of the top wall of the base (201) via a hinge; The movable end of the movable seat (202) is connected to the base (201) via a buckle (203); the bottom wall of the movable seat (202) and the top wall of the base (201) are both provided with a semicircular groove (15); and an abutment mechanism is installed inside the movable seat (202) at a position corresponding to the semicircular groove (15); A first rolling ball (204) is rotatably mounted in the semicircular groove (15) of the base (201).

3. The energy-saving multi-core fiber grating processing device according to claim 2, characterized in that: A slide groove (16) is provided in the movable seat (202), and the abutment mechanism is installed in the slide groove (16).

4. The energy-saving multi-core fiber grating processing device according to claim 3, characterized in that: The abutment mechanism comprises a spring (17), wherein the spring (17) is fixed on the top wall of the slide groove (16), and a mounting column (18) is fixed to the bottom end of the spring (17); A second ball (19) is rotatably mounted on the bottom end of the mounting column (18); The bottom end of the second rolling ball (19) passes through the bottom wall of the movable seat (202) and extends to the outside of the movable seat (202).

5. The energy-saving multi-core fiber grating processing device according to claim 1, characterized in that: The driving assembly (8) comprises two symmetrically arranged vertical plates (81), wherein the vertical plates (81) are fixed to the left side of the bottom wall of the mounting plate (7), and a driving roller (82) is rotatably mounted between the bottoms of the two vertical plates (81); A servo motor (83) is fixed to the top wall of the mounting plate (7); The servo motor (83) is connected to the mounting shaft of the driving roller (82) via a transmission mechanism (84); The transmission mechanism (84) is a synchronous belt mechanism or a chain sprocket mechanism; The driving roller (82), the first guide roller (9), and the second guide roller (12) are all provided with guide grooves (20).

6. The energy-saving multi-core fiber grating processing device according to claim 1, characterized in that: The top wall of the workbench (1) is provided with a mounting groove (11), the first guide roller (9) is rotatably mounted in the mounting groove (11), and the annealing assembly (10) located below is fixed on the bottom wall of the mounting groove (11).

7. The energy-saving multi-core fiber grating processing device according to claim 6, characterized in that: The annealing assembly (10) comprises a heating furnace (101), and a heating cavity (102) is formed on an outer wall of the heating furnace (101); A plurality of heating wires (103) matching the heating furnace (101) are symmetrically fixed in the heating chamber (102); The side wall of the heating furnace (101) is provided with an arc-shaped groove (104) for the optical fiber grating to pass through.

8. The energy-saving multi-core fiber grating processing device according to claim 1, characterized in that: The cutting cooling assembly (13) comprises a box body (131), the box body (131) is fixed on the top wall of the workbench (1), a plurality of through holes (21) are formed through both sides of the box body (131), and a second cylinder (132) is fixed to the top wall of the box body (131); The movable end at the bottom of the second cylinder (132) slides through the top wall of the box body (131) and is fixed with a cutter head seat (133); A cutting knife (134) is fixed at the bottom of the knife head seat (133); Semiconductor cooling sheets (135) are embedded in the front and rear walls of the box body (131), and heat dissipation fans (136) matching the semiconductor cooling sheets (135) are fixed to the front and rear walls of the box body (131); The cooling end of the semiconductor cooling sheet (135) is located inside the box (131), and the heating end of the semiconductor cooling sheet (135) is located outside the box (131).

9. The energy-saving multi-core fiber grating processing device according to claim 8, characterized in that: A cutting table (22) matching the cutting knife (134) is fixed on the top wall of the workbench (1), a storage groove (24) is provided on the front wall of the workbench (1), the collection box (14) is slidably inserted into the storage groove (24), and a material drop groove (23) is provided between the top wall of the storage groove (24) and the top wall of the workbench (1).

10. A method for processing a multi-core fiber Bragg grating, using an energy-saving multi-core fiber Bragg grating processing device as claimed in any one of claims 1 to 9, characterized in that: The processing method comprises the following steps: Step 1: First, open the movable seat (202), install the optical fiber Bragg grating to be processed in the semicircular groove (15), and place one end of the optical fiber Bragg grating in the guide groove (20) on the first guide roller (9), and control the first cylinder (6) to extend until the driving roller (82) and the first guide roller (9) cooperate to clamp one end of the optical fiber Bragg grating, then close the movable seat (202), and fix the movable seat (202) above the base (201) by means of a buckle (203); Step 2: Turn on the servo motor (83), the servo motor (83) drives the driving roller (82) to rotate through the transmission mechanism (84), and the driving roller (82) drives the fiber grating to move to the right side of the device, and at the same time, the fiber grating writer (4) works intermittently to write on the part of the fiber grating that needs to be written; Step three: the inscribed fiber Bragg grating enters the heating furnace (101) through the arc groove (104), the heating furnace (101) is controlled to work, the heating furnace (101) heats the fiber Bragg grating through the heating wire (103), and high-temperature annealing is achieved. The annealed fiber Bragg grating enters the cutting cooling assembly (13) through the second guide roller (12); Step 4: After the annealed fiber Bragg grating enters the box (131) through the through hole (21), the semiconductor cooling plate (135) and the heat dissipation fan (136) are controlled to work, and the semiconductor cooling plate (135) can quickly reduce the temperature in the box (131), and the annealed fiber Bragg grating can be quickly cooled. At the same time, when the cutting position of the fiber Bragg grating moves to below the cutting knife (134), the second cylinder (132) is controlled to extend, and the second cylinder (132) drives the cutting knife (134) to move downward to cooperate with the cutting knife table (22) to cut the fiber Bragg grating. The debris generated during the cutting process enters the collection box (14) through the blanking chute (23) for collection.

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