# US 2026/0099005 A1 · Stripping apparatus for coating layer of optical fiber > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0099005 A1 - Document ID: US20260099005A1 - Status: Published application - Kind: A1 - Application number: 18/881,701 - Filed: 2024-04-29 - Published: 2026-04-09 - Earliest claimed: 2023-06-20 - Assignees: WuHan Raycus Fiber Laser Technologies CO., LTD - Applicants: WuHan Raycus Fiber Laser Technologies CO., LTD - Inventors: Shuqiao LIU; Wulue YI; Mengze ZHU; Dapeng YAN - Web page: https://patentgrep.com/patent/US20260099005A1 ## CPC - G02B 6/245: Removing protective coverings of light guides before coupling - G02B 6/25: Preparing the ends of light guides for coupling, e.g. cutting - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract The present disclosure provides a stripping apparatus for a coating layer of an optical fiber, including an optical fiber fixing device, a stripping device, and a cleaning device. The optical fiber fixing device is configured to fix an optical fiber and drive the optical fiber to rotate around a rotation axis and move along an extension direction of the rotation axis. The stripping device is provided on one side of the optical fiber fixing device along the extension direction of the rotation axis. The stripping device is configured to strip off a coating layer of the optical fiber. The cleaning device includes a cleaning space for cleaning the optical fiber, and the cleaning space is located between the stripping device and the optical fiber fixing device. ## Claims ### Claim 1 A stripping apparatus for a coating layer of an optical fiber, comprising: an optical fiber fixing device configured to fix the optical fiber and drive the optical fiber to rotate around a rotation axis and move along an extension direction of the rotation axis; a stripping device provided on one side of the optical fiber fixing device along the extension direction of the rotation axis and configured to strip off the coating layer of the optical fiber; and a cleaning device comprising a cleaning space for cleaning the optical fiber, wherein the cleaning space is located between the stripping device and the optical fiber fixing device. ### Claim 2 (depends on 1) The stripping apparatus for the coating layer of the optical fiber of claim 1, wherein the optical fiber fixing device comprises a clamping mechanism and a moving mechanism, the clamping mechanism comprises a first clamping member, a second clamping member, and a first driving member, the first clamping member comprises a first clamping surface, the first clamping surface is provided with a guiding groove extending along the rotation axis, the second clamping member comprises a second clamping surface, the first driving member is disposed on the first clamping member, and the first driving member is connected to the second clamping member and configured to drive the second clamping surface close to or away from the first clamping surface; and the moving mechanism is connected to the first clamping member and configured to drive the first clamping member to rotate around the rotation axis and move along the extension direction of the rotation axis. ### Claim 3 (depends on 2) The stripping apparatus for the coating layer of the optical fiber of claim 2, wherein an inner surface of the guiding groove is provided with one or more through holes configured to communicate with a suction component. ### Claim 4 (depends on 3) The stripping apparatus for the coating layer of the optical fiber of claim 3, wherein a plurality of through holes are provided on the inner surface of the guiding groove, and the plurality of through holes are sequentially distributed along a length direction of the guiding groove. ### Claim 5 (depends on 2) The stripping apparatus for the coating layer of the optical fiber of claim 2, wherein the optical fiber fixing device further comprises a pressure sensor, and the pressure sensor is configured to detect an air pressure in the through hole. ### Claim 6 (depends on 2) The stripping apparatus for the coating layer of the optical fiber of claim 2, wherein the optical fiber fixing device further comprises a limiting mechanism, the limiting mechanism is connected to the first clamping member, and the limiting mechanism is configured to limit coils of the optical fiber to the first clamping member. ### Claim 7 (depends on 6) The stripping apparatus for the coating layer of the optical fiber of claim 6, wherein the limiting mechanism comprises a limiting rod and a second driving member, the first clamping member comprises a limiting surface, the second driving member is provided on the first clamping member, and the second driving member is connected to the limiting rod and drives one end of the limiting rod close to or away from the limiting surface to make the one end of the limiting rod to abut against or separate from the limiting surface. ### Claim 8 (depends on 7) The stripping apparatus for the coating layer of the optical fiber of claim 7, wherein a limiting groove is provided on the first clamping member, the limiting surface of the first clamping member is located in the limiting groove, the first clamping member further comprises an inner side surface located in the limiting groove and opposite to the limiting surface, and a distribution direction of the inner side surface and the limiting surface forms an angle with the extension direction of the rotation axis; and a mounting hole is provided on the inner side surface of the limiting groove, the limiting rod is slidably installed in the mounting hole, and the one end of the limiting rod is arranged opposite to the limiting surface. ### Claim 9 (depends on 8) The stripping apparatus for the coating layer of the optical fiber of claim 8, wherein the mounting hole extends to one side of the first clamping member along a direction from the limiting surface to the inner side surface; the second driving member is provided on the side of the first clamping member along the direction from the limiting surface to the inner side surface; and the second driving member is connected to another end of the limiting rod to drive the limiting rod to slide in the mounting hole along the distribution direction of the inner side surface and the limiting surface. ### Claim 10 (depends on 2) The stripping apparatus for the coating layer of the optical fiber of claim 2, wherein the second clamping member comprises an elastic pad, and the second clamping surface is formed on the elastic pad. ### Claim 11 (depends on 2) The stripping apparatus for the coating layer of the optical fiber of claim 2, wherein the first clamping member comprises a first magnetic part, the second clamping member comprises a second magnetic part, and the first magnetic part is configured to be magnetically attracted to the second magnetic part. ### Claim 12 (depends on 11) The stripping apparatus for the coating layer of the optical fiber of claim 11, wherein the first clamping surface is provided with a recess, and the first magnetic part is installed in the recess. ### Claim 13 (depends on 1) The stripping apparatus for the coating layer of the optical fiber of claim 1, wherein the stripping device comprises a mounting mechanism, a cutting mechanism, and a heating component, the mounting mechanism comprises a supporting seat and a mounting cover, the mounting cover is slidably connected with the supporting seat and has a clamping position and a releasing position; the supporting seat and/or the mounting cover are provided with the heating component, and the heating component is configured to heat the optical fiber; the cutting mechanism comprises a first blade provided on the supporting seat and a second blade provided on the mounting cover; and the mounting cover is arranged opposite to the supporting seat when in the clamping position and the releasing position, respectively; when the mounting cover is in the clamping position, a cutting port is formed between the first blade and the second blade for cutting the coating layer of the optical fiber; and a distance between the first blade and the second blade when the mounting cover is in the releasing position is greater than a distance between the first blade and the second blade when the mounting cover is in the clamping position. ### Claim 14 (depends on 13) The stripping apparatus for the coating layer of the optical fiber of claim 13, wherein the mounting mechanism comprises a sliding seat slidably connected to the supporting seat, and the mounting cover is provided on the sliding seat so that the mounting cover is slidably connected to the supporting seat; and the mounting mechanism further comprises an elastic member, one end of the elastic member is connected to the supporting seat, and another end of the elastic member is connected to the sliding seat to exert an elastic force on the sliding seat, so that the sliding seat drives the mounting cover to slide in a direction from the clamping position to the releasing position. ### Claim 15 (depends on 14) The stripping apparatus for the coating layer of the optical fiber of claim 14, wherein the stripping apparatus for the coating layer of the optical fiber further comprises a pushing mechanism, and the pushing mechanism is configured to abut against the mounting cover and push the mounting cover to slide along a direction from the releasing position to the clamping position. ### Claim 16 (depends on 14) The stripping apparatus for the coating layer of the optical fiber of claim 14, wherein the mounting cover is rotationally connected to the sliding seat, the mounting cover is configured to rotate relative to the sliding seat between an open position and the releasing position, and a distance between the first blade and the second blade when the mounting cover is in the open position is greater than a distance between the first blade and the second blade when the mounting cover is in the releasing position; the sliding seat comprises a limiting part, and when the mounting cover is in the releasing position, the limiting part is located below the mounting cover and abuts against the mounting cover; and the stripping device further comprises a driving structure provided on the supporting seat, and the driving structure is connected to the mounting cover to drive the mounting cover to rotate between the open position and the releasing position. ### Claim 17 (depends on 1) The stripping apparatus for the coating layer of the optical fiber of claim 1, wherein the cleaning device comprises a clamping assembly and two supply assemblies, each of the supply assemblies comprises a first driving mechanism and a supply mechanism for supplying a cleaning belt, the two supply mechanisms are arranged opposite to each other along a first direction, the cleaning space is formed between the two supply mechanisms, a part of the cleaning belt supplied by the supply mechanism is located on one side of the supply mechanism facing the cleaning space; the first driving mechanism is connected to the supply mechanism to drive the supply mechanism to move in the first direction; and the first direction forms an angle with the extension direction of the rotation axis; and the clamping assembly is configured to clamp the cleaning belts located on the sides of the two supply mechanisms facing cleaning space. ### Claim 18 (depends on 17) The stripping apparatus for the coating layer of the optical fiber of claim 17, wherein the supply mechanism comprises a supporting structure, two mounting shafts rotatably installed on the supporting structure, a second driving mechanism, and an abutting structure, one of the mounting shafts is configured to install a first reel wound with the cleaning belt, and another one of the mounting shafts is configured to install a second reel, and the second reel is configured to connect with one end of the cleaning belt; the second driving mechanism is connected to at least one of the two mounting shafts and drives the corresponding one of the mounting shafts to rotate, so that the first reel releases the cleaning belt and the second reel winds the cleaning belt; and the abutting structure comprises two abutting rods arranged side by side and at intervals on the supporting structure, the cleaning space is formed between the two abutting rods of each of the two supply mechanisms, and sides of the two abutting rods close to the cleaning space are configured to respectively abut against the cleaning belt between the first reel and the second reel; and the clamping assembly is configured to clamp the cleaning belts between the two abutting rods of each of the two supply mechanisms. ### Claim 19 (depends on 17) The stripping apparatus for the coating layer of the optical fiber of claim 17, wherein the clamping assembly comprises a bracket and a clamping structure, the clamping structure comprises two clamping components and a driving component connected to the bracket, the driving component is connected to the two clamping components to drive the two clamping components toward or away from each other; and a clamping space for clamping the cleaning belt is formed between the two clamping components, at least one of the clamping components is provided with a channel, the channel is configured to communicate with cleaning agent supply assembly, and the channel is provided with a cleaning agent supply port on one side of a corresponding one of the clamping components facing the clamping space. ### Claim 20 (depends on 19) The stripping apparatus for the coating layer of the optical fiber of claim 19, wherein the cleaning agent supply assembly comprises a liquid supply pump and a connecting pipeline, and the liquid supply pump is communicated with the channel through the connecting pipeline to supply the cleaning agent to the channel.