Optical fiber coating layer stripping device and coating stripping method thereof

Abstract

The invention provides an optical fiber coating layer stripping device and a coating stripping method thereof.The optical fiber coating layer stripping device comprises a cutting assembly and two optical fiber rotating assemblies, the two optical fiber rotating assemblies are arranged in the X horizontal direction, a cutting station is arranged between the two optical fiber rotating assemblies, and each optical fiber rotating assembly comprises a rotating module and a tensioning module; the two ends of the to-be-stripped optical fiber are fixed on the fiber clamping devices on the two sides respectively, during stripping, the position of the sliding block on one side can be limited through the rotating block, limitation is relieved through the sliding block on the other side, the to-be-stripped optical fiber is kept tight through the elastic piece, and then a coating layer is cut through the blade under the condition that proper tension is kept tight. Through movement in the X horizontal direction and conversion of the angle of the cutter, bidirectional cutter feeding is realized, through rotation of the fiber clamping device, multiple stripping of the optical fiber is realized without re-clamping, and the tangent planes at the two ends can be processed into regular cones or polygonal cones.

Description

Technical Field

[0001] The invention relates to the field of optical fiber processing equipment, and in particular to an optical fiber coating stripping device and a coating stripping method thereof. Background Art

[0002] In the process of producing fiber gratings, it is necessary to remove the coating layer in the middle section of the optical fiber, optically write on the middle bare fiber part, and then re-coat the bare fiber part after writing. In order to ensure the quality of subsequent re-coating, the cross-sections of both ends of the bare fiber need to be processed into regular cones before re-coating.

[0003] The stripping device in the prior art can only cut the coating on one side at a time. It is necessary to rotate and adjust the position of the optical fiber coating, clamp it again and then proceed to the next stripping step. After repeated attempts, the cross-sections at both ends of the optical fiber can be processed into regular cones or polygonal cones. The above processing method not only requires multiple clamping steps, but also cannot be positioned due to different clamping positions, and thus cannot guarantee the position of the knife each time, and thus cannot guarantee the consistency of the window opening length, affecting the yield and processing efficiency of the optical fiber. Summary of the invention

[0004] The first object of the present invention is to provide an optical fiber coating stripping device that can strip the coating layer efficiently and accurately.

[0005] The second object of the present invention is to provide a coating stripping method of the above optical fiber coating stripping device.

[0006] In order to achieve the first object of the present invention, the present invention provides an optical fiber coating stripping device, including a cutting assembly and two optical fiber rotating assemblies, the two optical fiber rotating assemblies are arranged along the horizontal direction of X, and a cutting station is arranged between the two optical fiber rotating assemblies; the optical fiber rotating assembly includes a rotating module and a tensioning module, the rotating module includes a fiber clamping device and a rotating driving device, the fiber clamping device is provided with an optical fiber groove extending along the horizontal direction of X, the rotating driving device is connected to the fiber clamping device and drives the optical fiber groove to rotate around the horizontal direction of X; the tensioning module includes a slider, a fixed seat, an elastic member, a rotating block and a locking driving device, the rotating module is arranged on the slider, the slider is connected to the fixed seat and can be moved along the horizontal direction of X The slider is provided with a positioning slot, the locking drive device is connected to the rotating block, the locking drive device drives the rotating block to engage or separate with the positioning slot, when the rotating block is engaged with the positioning slot, the rotating block limits the movement of the slider in the X horizontal direction, the elastic member is connected between the slider and the fixed seat, the elastic member applies a tensioning force to the slider along the X horizontal direction away from the cutting station, and the tensioning forces applied by the elastic members of the two optical fiber rotating assemblies are arranged in opposite directions; the cutting assembly includes a cutter, an X-axis drive device and a Z-axis drive device, the X-axis drive device is connected to the cutter and drives the cutter to move along the X horizontal direction on the cutting station, and the Z-axis drive device is connected to the cutter and drives the cutter to move along the Z vertical direction.

[0007] A further solution is that guiding inclined surfaces are provided on both sides of the positioning slot in the X horizontal direction, and the rotating block is slidably matched with the guiding inclined surfaces.

[0008] A further solution is that the tensioning module also includes a roller and a roller shaft, the axial direction of the roller shaft is perpendicular to the horizontal direction X, the roller shaft is fixedly connected to the rotating block and rotates with the rotating block, the roller is sleeved outside the roller shaft and can rotate around the axial direction of the roller shaft, the roller is rollingly matched with the guide ramp, and the roller limits the movement of the slider in the horizontal direction X.

[0009] A further solution is that the tensioning module further includes a position detection sheet and a position sensor, the position detection sheet is fixedly connected to the rotating block and rotates with the rotating block, and the position sensor is used to detect the rotation position of the position detection sheet.

[0010] A further solution is that the tensioning module includes a slide rail, which extends along the horizontal direction of X and is connected between the slider and the fixed seat; the slider is provided with a first fixed block, the fixed seat is provided with a second fixed block, and the elastic member is a spring, which extends along the horizontal direction of X and is connected between the first fixed block and the second fixed block.

[0011] A further solution is that the tensioning module includes an adjusting screw, the second fixed block is provided with an adjusting screw hole along the horizontal direction of X, the fixing seat is provided with a positioning hole on the outer side of the second fixed block, the adjusting screw passes through the positioning hole and is connected with the adjusting screw hole, and the adjusting screw is used to adjust the position of the second fixed block in the horizontal direction of X.

[0012] A further solution is that the cutting assembly also includes an angle adjustment drive device, the angle adjustment drive device is connected to the Z-axis drive device, the angle adjustment drive device is connected to the cutter and drives the cutter to rotate around the Y horizontal direction.

[0013] A further solution is that the cutting edge of the cutter is parallel to the Y horizontal direction, and the cutter rotates around the cutting edge.

[0014] A further solution is that the cutting assembly includes a Y-axis driving device, which is connected to the cutter and drives the cutter to move along the Y horizontal direction.

[0015] In order to achieve the second object of the present invention, the present invention provides a coating stripping method for an optical fiber cleaning device applied to the above-mentioned solution, the coating stripping method comprising: Fixing the first end of the optical fiber to be stripped on the fiber clamping device on the first side; Fixing the second end of the optical fiber to be stripped on the fiber clamping device on the second side; The rotating block on the first side is engaged with the positioning slot, the rotating block on the second side is separated from the positioning slot, and the elastic member on the second side keeps the optical fiber to be stripped tight; The cutter cuts the optical fiber to be stripped from the second side toward the first side along the X horizontal direction.

[0016] It can be seen from the above scheme that the two ends of the optical fiber to be stripped are respectively fixed on the fiber clamping devices on both sides. When stripping, the position of the slider on one side can be limited by the rotating block, while the slider on the other side is released. The elastic member is used to keep the optical fiber to be stripped taut, and then the coating is cut by the blade while maintaining appropriate tension. By moving along the horizontal X direction and changing the cutting knife angle, bidirectional feeding is achieved, and by rotating the fiber clamping device, multiple stripping of the optical fiber can be achieved without re-clamping. Then, the cut surfaces at both ends can be processed into regular cones or polygonal cones, and the position of each cut can be guaranteed by the control of the Z-axis drive device, so that the entire coating stripping process can be completed with one clamping, and the consistency of the window opening length can be guaranteed. This case not only improves production efficiency and reduces the risk of damaging the optical fiber, but also allows for convenient adjustment of relevant process parameters. Furthermore, by rolling the rotating block and the roller with the guiding inclined surface, the rotating block can better cooperate with the positioning slot, and the position sensor can be used for position detection. In addition, the position of the second fixed block can be adjusted by adjusting the screw, thereby realizing the adjustment of the spring tension. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of an embodiment of an optical fiber coating stripping device of the present invention.

[0018] Figure 2 It is a diagram of the internal structure of an embodiment of the optical fiber coating stripping device of the present invention.

[0019] Figure 3 1 is a structural diagram of an optical fiber rotating assembly in an embodiment of an optical fiber coating stripping device of the present invention.

[0020] Figure 4 It is a structural diagram of a rotating module and a tensioning module in an embodiment of the optical fiber coating stripping device of the present invention.

[0021] Figure 5 It is an exploded view of the rotating module and the tensioning module in the embodiment of the optical fiber coating stripping device of the present invention.

[0022] Figure 6 1 is a structural diagram of a rotating module in an embodiment of an optical fiber coating stripping device of the present invention.

[0023] Figure 7 It is a structural diagram of the rotating module and the tensioning module in the embodiment of the optical fiber coating stripping device of the present invention from another perspective.

[0024] Figure 8 1 is a structural diagram of a cutting assembly in an embodiment of an optical fiber coating stripping device of the present invention.

[0025] Fig. 9 It is a schematic diagram of an embodiment of the optical fiber coating stripping device of the present invention during the loading step.

[0026] Fig.10 It is a schematic diagram of an embodiment of the optical fiber coating stripping device of the present invention during the unlocking step on the right side.

[0027] Fig.11 It is a schematic diagram of an embodiment of the optical fiber coating stripping device of the present invention during the stripping step on the right side.

[0028] Fig.12 It is a schematic diagram of an embodiment of the optical fiber coating stripping device of the present invention during the reversing step.

[0029] Fig.13 It is a schematic diagram of an embodiment of the optical fiber coating stripping device of the present invention during the unlocking step on the left side.

[0030] Fig.14 It is a schematic diagram of an embodiment of the optical fiber coating stripping device of the present invention during the stripping step on the left side.

[0031] Fig.15 It is a schematic diagram of an embodiment of the optical fiber coating stripping device of the present invention during the fiber transfer step.

[0032] Fig.16 It is a schematic diagram of the state of the optical fiber after one cutting according to the embodiment of the optical fiber coating stripping device of the present invention.

[0033] Fig.17 It is a schematic diagram of the state of the optical fiber after four cuttings according to the embodiment of the optical fiber coating stripping device of the present invention.

[0034] Fig.18 It is a schematic diagram of the state of the optical fiber after eight cuts according to the embodiment of the optical fiber coating stripping device of the present invention.

[0035] The present invention is further described below in conjunction with the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0036] Reference Figures 1 to 8 The optical fiber coating stripping device includes a shell 111, an outer cover 112, a cutting assembly 2 and two optical fiber rotation assemblies 3. The cutting assembly 2 and the two optical fiber rotation assemblies 3 are arranged on the shell 111. The two optical fiber rotation assemblies 3 are arranged along the X horizontal direction and symmetrically along the center. A cutting station 10 is arranged between the two optical fiber rotation assemblies 3. The outer cover 112 covers the outside of the cutting station 10 and is connected to the shell 111. The shell 111 is provided with a waste bin 113 below the cutting station 10. The waste bin 113 is detachably arranged and used to collect coating waste.

[0037] The optical fiber rotation assembly 3 includes a rotation module and a tensioning module. The rotation module includes a fiber clamping device 321 and a rotation driving device 324. The fiber clamping device 321 is provided with an optical fiber groove 322 extending along the horizontal direction of X. The optical fiber groove 322 is provided with a clamping plate 323 at the end close to the cutting station 10 in the horizontal direction of X. The fiber clamping device 321 is provided with an outer peripheral gear on the periphery of the optical fiber groove 322, and the fiber clamping device 321 is provided with a V-shaped opening above the optical fiber groove 322 for convenient installation and removal of the optical fiber. In this embodiment, the rotation driving device 324 includes a driving gear, a transmission belt and two transmission gears 325. The driving gear is used to be connected to the driving motor 30 through the transmission shaft 301. Under the drive of the driving motor 30, the driving gear is driven to rotate. The transmission belt is connected between the driving gear and the two transmission gears 325. Tensioning wheels 315 are also provided on both sides of the transmission belt. The two transmission gears 325 are respectively connected to the outer peripheral gears of the fiber clamping device 321. Then the rotation driving device 324 drives the fiber clamping device 321 and the optical fiber groove 322 to rotate around the X horizontal direction.

[0038] The tensioning module includes a slider 319, a fixed seat 311, an elastic member 34, a rotating block 316 and a locking drive device 313. The rotating module is arranged on the slider 319. The fiber clamping device 321 and the rotating drive device 324 are rotatably arranged on the slider 319. The slide rail 312 extends along the horizontal direction X. The slide rail 312 is connected between the slider 319 and the fixed seat 311. The slider 319 is connected to the fixed seat 311 through the slide rail 312. The slider 319 can move along the horizontal direction X.

[0039] The slider 319 is provided with a positioning block 326 on the horizontal side in the X-horizontal direction. The positioning block 326 is provided with a positioning slot 327 . The extending direction of the slot 327 is perpendicular to the X-horizontal direction. The positioning slot 327 is provided with guiding inclined surfaces 328 on both sides in the X-horizontal direction. The locking drive device 313 is fixedly arranged on the fixed seat 311. The locking drive device 313 can adopt a motor. The locking drive device 313 is connected to the rotating block 316 and drives the rotating block 316 to rotate around the horizontal direction of X. The tensioning module also includes a roller 317, a roller 318, a position detection sheet 334 and two position sensors 314. The axial direction of the roller 318 is perpendicular to the horizontal direction of X. The roller 318 is fixedly connected to the rotating block 316 and rotates with the rotating block 316. The roller 317 is sleeved outside the roller 318 and can rotate around the axial direction of the roller 318. The roller 317 is used to roll with the guide inclined surface 328, and then the locking drive device 313 drives the rotating block 316 to engage or separate with the positioning slot 327. When the rotating block 316 and the roller 317 are engaged with the positioning slot 327, the rotating block 316 and the roller 317 limit the movement of the slider 319 in the horizontal direction of X.

[0040] The position detection piece 334 is fixedly connected to the rotating block 316 and rotates with the rotating block 316. The two position sensors 31 are respectively located on both sides of the locking drive device 313. When the rotating block 316 rotates to the engaged position or the disengaged position, the corresponding position detection piece rotates to two different positions, and then the position sensor 314 is used to detect the different rotation positions of the position detection piece 334.

[0041] The slider 319 is provided with a first fixed block 329, the fixed seat 311 is provided with a second fixed block 331, the elastic member 34 is a spring, the spring extends along the X horizontal direction and is connected between the first fixed block 329 and the second fixed block 331, and the first fixed block 329 and the second fixed block 331 are respectively provided with hooks.

[0042] The fixing seat 311 is provided with a fixing plate 333 on the outer side of the second fixing block 331 based on the X horizontal direction. The tensioning module includes an adjusting screw 332. The second fixing block 331 is provided with an adjusting screw hole 335 along the X horizontal direction. The fixing plate 333 of the fixing seat 311 is provided with a positioning hole on the outer side of the second fixing block 331. The adjusting screw 332 passes through the positioning hole and is connected with the adjusting screw hole 335. The fixing plate 333 is provided with a sliding groove extending in the X horizontal direction. The second fixing block 331 is slidably provided in the sliding groove. By rotating the adjusting screw 332, the adjusting screw 332 can adjust the position of the second fixing block 331 in the X horizontal direction, and then by adjusting the position of the second fixing block 331, the elastic force of the elastic member 34 is adjusted. An elastic member 34 is connected between the slider 319 and the fixed seat 311, and the elastic member 34 applies a tensioning force to the slider 319 along the X horizontal direction away from the cutting station 10, and the tensioning forces applied by the elastic members 34 of the two optical fiber rotation assemblies 3 are arranged in opposite directions, thereby keeping the optical fiber taut.

[0043] The cutting assembly 2 includes a cutter 211, an X-axis drive device 215, a Y-axis drive device 216, a Z-axis drive device 214 and an angle adjustment drive device 213. The X-axis drive device 215 is arranged on the Y-axis drive device 216, and the Y-axis drive device 216 drives the X-axis drive device 215 to move along the Y horizontal direction. The Z-axis drive device 214 is arranged on the X-axis drive device 215, and the X-axis drive device 215 drives the Z-axis drive device 214 to move along the X horizontal direction. The angle adjustment drive device 213 is arranged on the Z-axis drive device 214, and the Z-axis drive device 214 drives the angle adjustment drive device 213 to move along the Z vertical direction. The angle adjustment drive device 213 is connected to the cutter 211 through the tool holder 212, and the angle adjustment drive device 213 drives the cutter 211 to rotate around the Y horizontal direction. In addition, the blade 2111 of the cutter 211 is parallel to the Y horizontal direction, and the cutter 211 rotates around the blade 2111, thereby improving the accuracy of the cutting position.

[0044] By driving the cutter 211 respectively by the X-axis driving device 215, the Y-axis driving device 216, the Z-axis driving device 214 and the angle adjustment driving device 213, not only the cutter 211 is driven to move along the X horizontal direction, the Y horizontal direction and the Z vertical direction on the cutting station 10, but also the cutting angle is adjusted by the rotation of the cutter 211, and two-way feed can be realized. The movement of the cutter 211 in the Y horizontal direction can make full use of the blades in different positions, thereby improving the durability of the cutter.

[0045] Reference Fig. 9 The coating stripping method used in the above-mentioned optical fiber cleaning equipment includes first fixing the first end of the optical fiber to be stripped on the fiber clamping device 321 on the first side, and then fixing the second end of the optical fiber to be stripped on the fiber clamping device 321 on the second side, at which time the rollers 317 of the rotating blocks 316 on both sides are engaged with the positioning slots 327.

[0046] Reference Fig.10 , then keep the roller 317 of the rotating block 316 on the first side engaged with the positioning slot 327, while the roller 317 of the rotating block 316 on the second side is separated from the positioning slot 327, and apply a tensioning force to the slider 319 along the X horizontal direction toward the right side away from the cutting station 10 through the elastic member 34, and then the elastic member 34 on the second side keeps the optical fiber to be stripped tight. At the same time, the cutter 211 moves to the lower cutting position on the right side and adjusts the corresponding cutter angle.

[0047] Reference Fig.11 After the cutter 211 is cut into the coating layer to a certain depth, the cutter 211 cuts the optical fiber to be stripped from the second side toward the first side along the X horizontal direction.

[0048] Reference Fig.12 After the cutter 211 cuts the predetermined position on the left side, the cutter 211 is lifted and the corresponding cutter angle is adjusted again, and the cutter angle is set oppositely, and the roller 317 of the rotating block 316 on the first side is separated from the positioning groove 327, while the roller 317 of the rotating block 316 on the second side is engaged with the positioning groove 327, and a tensioning force is applied to the slider 319 along the X horizontal direction toward the left side away from the cutting station 10 through the elastic member 34, and then the elastic member 34 on the first side keeps the optical fiber to be stripped tight.

[0049] Reference Fig.13 , the cutter 211 moves to the lower cutting position on the right side, refer to Fig.14 After the cutter 211 is cut into the coating layer at the same depth, the cutter 211 cuts the optical fiber to be stripped from the first side toward the second side along the X horizontal direction.

[0050] Reference Fig.15After completing the above steps, the optical fiber is rotated to a preset angle by rotating the fiber clamping device 321, and the above steps are repeated to complete the stripping of the optical fiber coating. Subsequently, the rollers 317 on both sides engage with the positioning slots 327, and the optical fiber can be removed.

[0051] Reference Fig.16 , Fig.16 This is a schematic diagram of the state of the optical fiber after one cutting. The cutting angle can be adjusted according to the cutting angle. Fig.17 This is a schematic diagram of the state of the optical fiber after four cuts. Fig.18 This is a schematic diagram of the state of the optical fiber after eight cuts. It can be seen that after multiple layers of cutting, the cross-sections at both ends of the optical fiber are processed into regular cones or polygonal cones.

[0052] Of course, the above embodiment is only a preferred embodiment of the present case, and there may be more variations in specific applications, such as directly using a rotating block adjacent to the guiding bevel, and the rotating block can also drive the guiding bevel to move closer to the cutting station. Alternatively, elastic parts such as torsion springs and tension springs can also be used to apply tension to the optical fiber. In addition, for the arrangement of the rotary drive device, the above embodiment uses a unified drive source drive motor 30 to transmit power to the two rotary drive devices, and the rotary drive device can also use a device that generates a driving force independently, such as a motor, which can also drive the fiber clamping device to rotate.

[0053] In addition, the adjustment of the cutting component can be arranged according to actual conditions, such as using a fixed angle, or manually adjusting the angle, or using a single-sided feed stripping method, which can also achieve the purpose of the present invention. The above-mentioned changes are all within the protection scope of the present invention.

[0054] As can be seen from the above, the two ends of the optical fiber to be stripped are respectively fixed on the fiber clamping devices on both sides. When stripping, the position of the slider on one side can be limited by the rotating block, while the slider on the other side is released. The elastic member is used to keep the optical fiber to be stripped taut, and then the coating layer is cut by the blade while maintaining appropriate tension. By moving along the X horizontal direction and changing the cutting knife angle, bidirectional feeding is achieved, and by rotating the fiber clamping device, multiple stripping of the optical fiber is achieved without re-clamping, and then the cross-sections of the two ends can be processed into regular cones or polygonal cones.

Claims

1. An optical fiber coating stripping device, characterized in that: It includes a cutting assembly and two optical fiber rotating assemblies, the two optical fiber rotating assemblies are arranged along the X horizontal direction, and a cutting station is arranged between the two optical fiber rotating assemblies; The optical fiber rotation assembly includes a rotation module and a tensioning module, the rotation module includes a fiber clamping device and a rotation driving device, the fiber clamping device is provided with an optical fiber groove extending along the X horizontal direction, and the rotation driving device is connected to the fiber clamping device and drives the optical fiber groove to rotate around the X horizontal direction; The tensioning module comprises a slider, a fixing seat, an elastic member, a rotating block and a locking driving device. The rotating module is arranged on the slider, the slider is connected to the fixing seat and can move along the X horizontal direction, the slider is provided with a positioning slot, the locking driving device is connected to the rotating block, the locking driving device drives the rotating block to engage or separate with the positioning slot, when the rotating block is engaged with the positioning slot, the rotating block limits the movement of the slider in the X horizontal direction, the elastic member is connected between the slider and the fixing seat, the elastic member applies a tensioning force to the slider along the X horizontal direction away from the cutting station, and the tensioning forces applied by the elastic members of the two optical fiber rotating assemblies are arranged in opposite directions; The cutting assembly includes a cutter, an X-axis drive device and a Z-axis drive device, wherein the X-axis drive device is connected to the cutter and drives the cutter to move along the X horizontal direction on the cutting station, and the Z-axis drive device is connected to the cutter and drives the cutter to move along the Z vertical direction.

2. The optical fiber coating stripping device according to claim 1, characterized in that: The positioning slot is provided with guiding inclined surfaces on both sides of the X horizontal direction, and the rotating block is slidably matched with the guiding inclined surfaces.

3. The optical fiber coating stripping device according to claim 2, characterized in that: The tensioning module also includes a roller and a roller shaft, wherein the axial direction of the roller shaft is perpendicular to the X horizontal direction, the roller shaft is fixedly connected to the rotating block and rotates with the rotating block, the roller shaft is sleeved outside the roller shaft and can rotate around the axial direction of the roller shaft, the roller is in rolling cooperation with the guide inclined surface, and the roller limits the movement of the slider in the X horizontal direction.

4. The optical fiber coating stripping device according to claim 3, characterized in that: The tensioning module further comprises a position detection sheet and a position sensor. The position detection sheet is fixedly connected to the rotating block and rotates with the rotating block. The position sensor is used to detect the rotation position of the position detection sheet.

5. The optical fiber coating stripping device according to claim 1, characterized in that: The tensioning module comprises a slide rail, the slide rail extends along the X horizontal direction, and the slide rail is connected between the slider and the fixing seat; The slider is provided with a first fixed block, the fixed seat is provided with a second fixed block, the elastic member is a spring, and the spring extends along the X horizontal direction and is connected between the first fixed block and the second fixed block.

6. The optical fiber coating stripping device according to claim 5, characterized in that: The tensioning module includes an adjusting screw, the second fixing block is provided with an adjusting screw hole along the X horizontal direction, the fixing seat is provided with a positioning hole on the outer side of the second fixing block, the adjusting screw passes through the positioning hole and is connected with the adjusting screw hole, and the adjusting screw is used to adjust the position of the second fixing block in the X horizontal direction.

7. The optical fiber coating stripping device according to any one of claims 1 to 6, characterized in that: The cutting assembly also includes an angle adjustment drive device, which is connected to the Z-axis drive device. The angle adjustment drive device is connected to the cutter and drives the cutter to rotate around the Y horizontal direction.

8. The optical fiber coating stripping device according to claim 7, characterized in that: The cutting blade of the cutter is parallel to the Y horizontal direction, and the cutter rotates around the cutting blade.

9. The optical fiber coating stripping device according to claim 7, characterized in that: The cutting assembly comprises a Y-axis driving device, which is connected to the cutter and drives the cutter to move along the Y horizontal direction.

10. A coating stripping method applied to the optical fiber coating stripping device according to any one of claims 1 to 9, characterized in that: The coating stripping method comprises: Fixing the first end of the optical fiber to be stripped on the fiber clamping device on the first side; Fixing the second end of the optical fiber to be stripped on the fiber clamping device on the second side; The rotating block on the first side is engaged with the positioning slot, the rotating block on the second side is separated from the positioning slot, and the elastic member on the second side keeps the optical fiber to be stripped tight; The cutter cuts the optical fiber to be stripped from the second side toward the first side along the X horizontal direction.

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