Optical fiber welding device and optical cable welding machine

Abstract

The invention relates to an optical fiber fusion splicing device which comprises a base, a first clamping assembly, a limiting assembly and a fusion splicing piece. The first clamping assembly is arranged on the base and comprises a first clamping mechanism and a first movement mechanism, the first clamping mechanism comprises at least two pairs of first clamping pieces and at least two positioning pieces, each pair of first clamping pieces is arranged in the left-right direction and used for clamping an optical fiber, and the positioning pieces limit the optical fiber in the up-down direction; the two sides, in the front-back direction, of the welding piece are at least provided with a pair of first clamping pieces and a positioning piece respectively. The first movement mechanism is used for driving the first clamping piece to achieve linear movement in the left-right direction. The limiting assembly comprises a limiting mechanism and a second movement mechanism, the limiting mechanism comprises a limiting piece and a base, the limiting piece is arranged on the base, the base is arranged on the second movement mechanism, the second movement mechanism is used for driving the base to achieve linear movement in the front-back direction, and the limiting piece can drive the heat shrink tube to approach the first clamping mechanism.

Description

Technical Field

[0001] The present application relates to the field of optical fiber fusion splicing, and in particular, to an optical fiber fusion splicing device and an optical cable fusion splicing machine. Background Art

[0002] Fiber fusion splicing devices are mainly used for the construction and maintenance of optical cables in optical communications. They are high-tech instruments that combine optics, electronic technology, and precision machinery. The working principle of fiber fusion splicing devices is to use high-voltage arcs to melt the two optical fiber sections while using high-precision motion mechanisms to smoothly push the two optical fibers into one. The fused optical fiber has the characteristics of low loss and high mechanical strength, thereby achieving coupling of the optical fiber mode field and realizing effective signal transmission.

[0003] In the prior art, on the one hand, the optical fiber fusion splicing device can only realize the fusion splicing of two optical fiber sections. After the optical fiber fusion splicing is completed, the heat shrink tube still needs to be manually fused, resulting in relatively low optical fiber fusion splicing efficiency. On the other hand, the fusion splicing of optical cables requires multiple devices including optical fiber section trimming knives, optical fiber fusion splicing devices, optical fiber fusion splicing trays, optical cable fixing devices, etc., which have technical problems such as inconvenient portability and poor automation. Summary of the invention

[0004] The purpose of the present application is to provide a fiber optic fusion splicing device, which is used to solve the problem of low fiber optic fusion splicing efficiency in the prior art and help increase the work efficiency of fiber optic maintenance.

[0005] In order to achieve the above objectives, the technical solutions provided in this application are as follows:

[0006] In the first aspect, the present application provides an optical fiber fusion splicing device, comprising a base, a first clamping assembly, a limiting assembly and a fusion splicing piece; the first clamping assembly is arranged on the base, comprising a first clamping mechanism and a first moving mechanism, the first clamping mechanism comprising at least two pairs of first clamping pieces and at least two positioning pieces, each pair of the first clamping pieces is arranged along the left-right direction and used to clamp the optical fiber, the positioning piece realizes the upper and lower direction limiting of the optical fiber, and at least one pair of the first clamping pieces and one positioning piece are arranged on both sides of the fusion splicing piece along the front-back direction; the first moving mechanism is used to drive the first clamping piece to realize linear motion in the left-right direction; the limiting assembly comprises a limiting mechanism and a second moving mechanism, the limiting mechanism comprises a limiting piece and a base, the limiting piece is arranged on the base, the base is arranged on the second moving mechanism, the second moving mechanism is used to drive the base to realize linear motion in the front-back direction, and the limiting piece can drive the heat shrink tube to approach the first clamping mechanism. In the above technical scheme, the optical fiber is stably clamped by the limiting assembly and the clamping assembly, thereby ensuring the quality of the optical fiber fusion splicing; at the same time, after the optical fiber fusion splicing is completed, the sleeve space of the heat shrink tube is made available by adjusting the clamping member and the positioning member, and then the heat shrink tube is driven to move to the optical fiber fusion splicing location by the limiting assembly, and then fusion is performed again by the fusion splicing member, thereby completing the optical fiber fusion splicing and the sleeve splicing of the heat shrink tube sequentially on one device, thereby improving the efficiency of the optical fiber fusion splicing.

[0007] As a preferred solution, the first motion mechanism includes a plurality of linear motors, which are arranged on the base, and each linear motor is fixedly connected to each first clamping member and drives each first clamping member to realize linear motion in the left and right directions. In the above technical solution, the use of linear motors can improve the automation of optical fiber fusion splicing, thereby improving the fusion splicing efficiency and fusion splicing quality.

[0008] As a preferred solution, the limiter is an electric clamp that can clamp the optical fiber or the heat shrink tube to move it closer to the first clamping mechanism; the second motion mechanism includes a first ball screw that drives the limiter to achieve linear motion in the front-to-back direction. In the above technical solution, the limiter can move the optical fiber position or the heat shrink tube position according to demand, and the electric clamp automatically adjusts the clamping distance, which can adapt to optical fibers or heat shrink tubes of various sizes.

[0009] As a preferred solution, the positioning member is movably connected to the base, and the positioning member can move up and down relative to the base. In the above technical solution, the positioning member can be adjusted up and down according to the size of the optical fiber or the heat shrink tube, thereby adapting to more application scenarios.

[0010] As a preferred solution, it further comprises a detection mechanism, which is used to detect the butt joint state of the cross sections of the two optical fibers. In the above technical solution, the detection mechanism detects the butt joint state of the cross sections of the optical fibers, which can improve the quality of optical fiber fusion splicing.

[0011] The present application also provides an optical cable fusion splicer, comprising: an optical fiber cutting device, the optical fiber fusion splicing device, the optical fiber cutting device comprising a placing component and a flipping component, the placing component comprising a fixed seat, a placing table, and a peeling piece, the placing table is fixedly connected to the fixed seat and is used to place the end of the optical fiber to be cut, the fixed seat is provided with a guide groove, the guide groove is used to guide the optical fiber to move to a preset position and limit the movement in the left and right directions, the peeling piece is fixedly connected to one end of the fixed seat and is provided with a peeling groove, the peeling groove is concentric with the guide groove, and the inner diameter of the peeling groove is smaller than the outer diameter of the optical fiber; the flipping component comprises a cutting structure and a flipping mechanism, the flipping mechanism comprises a flipping piece and a rotating shaft, the flipping piece is pivotally connected to the fixed seat through the rotating shaft, the cutting mechanism comprises a cutting piece and an operating piece, the cutting piece is fixedly connected to the operating piece, and the operating piece can drive the cutting piece to move up and down to achieve cutting of the optical fiber. In the above technical scheme, the optical fiber can be limited and fixed by placing the components, and a closed space can be formed and the optical fiber cutting can be performed by flipping the components, thereby ensuring the cleanliness of the optical fiber cutting; the cutting piece can first cut the optical fiber skin, and then remove the optical fiber skin through the peeling groove, and finally place the end of the optical fiber to be cut on the placement table for cutting, so that the peeling and cross-section processing of the optical fiber can be completed on one device, thereby improving the integration of the optical fiber cutting device and reducing space occupancy.

[0012] As a preferred solution, the cutting mechanism further includes a moving part, the operating part is arranged on the moving part, and the moving part can drive the operating part to move left and right to adjust the position of the cutting part. In the above technical solution, the cutting part of the cutting part can be adjusted by the moving part, thereby avoiding the problem of poor cutting quality caused by wear of the cutting part of the fixed cutting part, and improving the service life of the cutting part.

[0013] As a preferred solution, it also includes an optical cable fixing device, which includes at least two second clamping components and a third motion mechanism. Each of the second clamping components can move in the left and right directions to clamp the optical cable. The two second clamping components are arranged on the front and rear sides of the optical fiber fusion splicing device; the third motion mechanism is used to drive the second clamping components to clamp the optical cable. In the above technical solution, the optical cable can be fixed by the clamping of the optical cable fixing device, avoiding the breakage of the optical fiber due to the movement of the optical cable during the optical fiber fusion splicing process.

[0014] As a preferred solution, the second clamping assembly includes a second clamping member and a third clamping member, one of which has a groove, and the other of which can be inserted into the groove to clamp the optical cable. In the above technical solution, the second clamping member and the third clamping member can cooperate to adapt to various optical cable sizes.

[0015] As a preferred solution, it also includes a fixed platform, a second ball screw, the optical fiber splicing tray, the optical fiber splicing device, and the optical fiber cutting device are detachably connected to the fixed platform, the fixed platform is fixedly connected to the second ball screw, and the second ball screw can drive the fixed platform to move in the left and right directions. In the above technical solution, the optical fiber splicing device, the optical fiber cutting device, and the optical fiber splicing tray can be fixed on a platform through the fixed platform, which improves the portability of the optical cable splicer; and the position of the fixed platform can be adjusted through the second ball screw, thereby adjusting the relative positions of the optical fiber splicing tray, the optical fiber splicing device, and the optical fiber cutting device to adapt to different working scenarios.

[0016] Other features and advantages of the present application will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 Shown is a schematic structural diagram of an embodiment of the optical fiber fusion splicing device provided by the present application;

[0019] Figure 2 Shown is a partial structural side view of an embodiment of the optical fiber fusion splicing device provided by the present application;

[0020] Figure 3 Shown is a schematic structural diagram of an embodiment of the optical fiber cutting device provided by the present application;

[0021] Figure 4 The figure shows a schematic diagram of the structure of a placement component of an embodiment of the optical fiber cutting device provided by the present application;

[0022] Figure 5 The figure shows a side view of a cutting mechanism of an embodiment of the optical fiber cutting device provided by the present application;

[0023] Figure 6Shown is a structural schematic diagram of an embodiment of the optical cable fusion splicer provided by the present application;

[0024] Description of reference numerals: 1. optical fiber fusion splicing device; 11. first clamping assembly; 111. first clamping mechanism; 1111. first clamping piece; 1112. positioning piece; 112. first moving mechanism; 12. base; 13. limiting assembly; 131. limiting mechanism; 1311. base; 1312. limiting piece; 132. second moving mechanism; 14. detection mechanism; 15. dust cover; 16. fusion splicing piece; 2. optical fiber cutting device; 21. placement assembly; 211. fixing seat; 2111. guide groove ; 2112, boss; 212, placement table; 213, peeling piece; 2131 peeling groove; 22, flip assembly; 221, cutting mechanism; 2211, operating piece; 2212, cutting piece; 2213, moving piece; 222, flip mechanism; 2221, flip piece; 2222, rotating shaft; 3, optical cable fixing device; 31, second clamping assembly; 311, second clamping piece; 312, third clamping piece; 32, third moving mechanism; 4, fixing table; 5, second ball screw; 6, optical fiber fusion tray. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] In the description of this application, it should be noted that the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed when in use, which is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0028] The working principle of the optical fiber fusion splicing device is to use a high-voltage electric arc to melt the two optical fiber sections while using a high-precision motion mechanism to smoothly advance the two optical fibers to fuse them into one, and then insert a heat shrink tube into the optical fiber fusion position for fusion sealing, thereby achieving coupling of the optical fiber mode field and realizing effective signal transmission. However, the optical fiber fusion splicing devices in the prior art are mostly manually aligned and operated, and after the optical fiber fusion is completed, the heat shrink tube still needs to be manually fused, resulting in relatively low optical fiber fusion efficiency.

[0029] In order to solve the technical problem of low cooling efficiency in the prior art, the present application provides a fiber fusion splicing device, which is used to solve the problem of low fiber fusion splicing efficiency in the prior art, and helps to increase the efficiency of fiber maintenance. In addition, the present application also provides an optical cable fusion splicer, which can limit and fix the optical fiber by placing components, and can form a closed space and perform optical fiber cutting by flipping the components, ensuring the cleanliness of optical fiber cutting, integrating the functions of optical fiber section cutting and optical fiber fusion splicing, and improving the convenience of optical cable maintenance.

[0030] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0031] The present application provides an optical fiber fusion splicing device 1, comprising a base 12, a first clamping assembly 11, a limiting assembly 13 and a fusion splicing piece 16; the first clamping assembly 11 is arranged on the base 12, comprising a first clamping mechanism 111 and a first moving mechanism 112, the first clamping mechanism 111 comprises at least two pairs of first clamping pieces 1111 and at least two positioning pieces 1112, each pair of first clamping pieces 1111 is arranged along the left-right direction and is used to clamp the optical fiber, the positioning piece 1112 is used to limit the optical fiber in the up-down direction, and at least one pair of first clamping pieces 1111 is arranged on both sides of the fusion splicing piece 16 along the front-back direction. A holding member 1111 and a positioning member 1112; the first motion mechanism 112 is used to drive the first clamping member 1111 to achieve linear motion in the left and right directions; the limiting assembly 13 includes a limiting mechanism 131 and a second motion mechanism 132, the limiting mechanism 131 includes a limiting member 1312 and a base 1311, the limiting member 1312 is arranged on the base 1311, the base 1311 is arranged on the second motion mechanism 132, the second motion mechanism 132 is used to drive the base 1311 to achieve linear motion in the front and back directions, and the limiting member 1312 can drive the heat shrink tube to approach the first clamping mechanism 111. In the above technical scheme, the optical fiber is stably clamped by the limiting component 13 and the clamping component, thereby ensuring the quality of the optical fiber fusion splicing; at the same time, after the optical fiber fusion splicing is completed, the sleeve space of the heat shrink tube is made by adjusting the clamping member and the positioning member 1112, and then the heat shrink tube is driven to move to the optical fiber fusion location by the limiting component 13, and then fusion is performed again by the fusion splicing member 16, so that the optical fiber fusion splicing and the sleeve connection of the heat shrink tube are completed sequentially on one device, thereby improving the efficiency of the optical fiber fusion splicing.

[0032] In some embodiments, Figure 1 and Figure 2As shown, the first clamping mechanism 111 includes two pairs of first clamping members 1111 and two positioning members 1112. Each first clamping member 1111 has a V-shaped clamping groove and the V-shaped clamping grooves of each pair of first clamping members 1111 are arranged opposite to each other. The two pairs of first clamping members 1111 can clamp and fix two sections of optical fibers to be fused. Each positioning member 1112 has a groove for placing optical fibers, and the two positioning members 1112 ensure that the two sections of optical fibers to be fused are located on the same horizontal plane. The first motion mechanism 112 can drive the first clamping member 1111 to realize linear motion in the left and right directions through mechanical transmission or electrical transmission, and each first clamping member 1111 can realize independent motion. The limiting assembly 13 includes a limiting mechanism 131 and a second motion mechanism 132. The limiting mechanism 131 includes a limiting member 1312 and a base 1311. The limiting member 1312 is disposed on the base 1311. The base 1311 is disposed on the second motion mechanism 132. The second motion mechanism 132 is used to drive the base 1311 to achieve linear motion in the front-rear direction. The limiting member 1312 can drive the heat shrink tube to approach the first clamping mechanism 111. Furthermore, the clamping surface of the first clamping member 1111 is provided with a flexible material to achieve flexible clamping.

[0033] Optionally, the first motion mechanism 112 includes a plurality of linear motors, which are disposed on the base 12, and each linear motor is fixedly connected to each first clamping member 1111 and drives each first clamping member 1111 to realize linear motion in the left and right directions. The left and right motion of the first clamping member 1111 is realized by the linear motor in a more automated and more accurate manner, which is conducive to improving the clamping quality of the optical fiber.

[0034] Optionally, the first motion mechanism 112 includes a force sensor, which can adaptively adjust the clamping force during the clamping process to achieve flexible clamping and avoid welding quality problems caused by insufficient or excessive clamping force.

[0035] Optionally, the limiter 1312 is an electric clamp that can clamp the optical fiber or the heat shrink tube to move it closer to the first clamping mechanism 111; the second motion mechanism 132 includes a first ball screw, which is used to drive the limiter 1312 to achieve linear motion in the front-to-back direction. The limiter 1312 uses an electric clamp that can adjust the clamping gap. On the one hand, it can adjust the front-to-back position of the optical fiber by clamping the optical fiber to improve the docking quality of the two sections of optical fiber. On the other hand, it can clamp the heat shrink tube and move it to the optical fiber fusion site to perform the fusion of the heat shrink tube, thereby improving the automation level of optical fiber fusion. Furthermore, the electric clamp has a force sensor that can adaptively adjust the clamping force to achieve flexible clamping.

[0036] Optionally, the positioning member 1112 is movably connected to the base 12, and the positioning member 1112 can move up and down relative to the base 12. The clamping gap of the first clamping member 1111 when clamping the optical fiber or the heat shrink tube can be adjusted by the up and down movement of the positioning member 1112 to adapt to clamping scenes of different sizes.

[0037] Optionally, the optical fiber fusion splicing device 1 further includes a detection mechanism 14, which may be an optical camera, an acoustic imager, etc. The detection mechanism 14 is used to detect the cross-section connection state of the two optical fiber sections. According to the cross-section connection state of the optical fiber, the optical fiber position can be adjusted in time, thereby ensuring the fusion splicing quality of the optical fiber.

[0038] Optionally, the optical fiber fusion splicing device 1 further comprises a dust cover 15. After the two optical fiber sections are clamped, the dust cover 15 is closed to form a fusion splicing chamber, thereby ensuring the cleanliness of the fusion splicing process and improving the fusion splicing quality.

[0039] In the above embodiment, the first clamping member 1111 and the positioning member 1112 are both independently adjustable components, and the first clamping member 1111 and the positioning member 1112 can be adjusted to accommodate optical fibers or heat shrink tubes of various sizes, greatly improving the universality of the optical fiber fusion splicing device 1. In addition, the limiting assembly 13 can adjust the front and rear positions of the optical fiber or the relative position of the heat shrink tube, thereby improving the automation of optical fiber fusion splicing and the efficiency of optical fiber fusion splicing.

[0040] In some other embodiments, the fusion splice 16 can be achieved by heating the optical fiber through arc welding, resistance wire, etc.

[0041] In some other embodiments, the optical fiber fusion splicing device 1 further includes an oxygen supply device (not shown in the figure), which outputs a certain amount of oxygen to the fusion splicing cavity during the fusion splicing process to improve the fusion splicing efficiency and quality.

[0042] The present application also provides an optical cable fusion splicer, including: an optical fiber cutting device 2, an optical fiber fusion splicing device 1, the optical fiber cutting device 2 includes a placement component 21, a flip component 22; the placement component 21 includes a fixed seat 211, a placement table 212, and a peeling piece 213, the placement table 212 is fixedly connected to the fixed seat 211 and is used to place the end of the optical fiber to be cut, the fixed seat 211 is provided with a guide groove 2111, the guide groove 2111 is used to guide the optical fiber to move to a preset position and limit the movement in the left and right directions, the peeling piece 213 is fixedly connected to one end of the fixed seat 211, and is provided with a peeling piece 213. Groove 2131, the peeling groove 2131 is concentric with the guide groove 2111, and the inner diameter of the peeling groove 2131 is smaller than the outer diameter of the optical fiber; the flip assembly 22 includes a cutting mechanism 221 and a flip mechanism 222, the flip mechanism 222 includes a flip piece 2221 and a rotating shaft 2222, the flip piece 2221 is pivotally connected to the fixed seat 211 through the rotating shaft 2222, the cutting mechanism 221 includes a cutting piece 2212 and an operating piece 2211, the cutting piece 2212 is fixedly connected to the operating piece 2211, and the operating piece 2211 can drive the cutting piece 2212 to move up and down to achieve cutting of the optical fiber. In the above technical scheme, the optical fiber cutting device 2 and the optical fiber fusion splicing device 1 are integrated into one, which improves the integration of the optical cable fusion splicer. The optical fiber cutting device 2 can limit and fix the optical fiber by placing the component 21, and can form a closed space and perform optical fiber cutting by flipping the component 22, thereby ensuring the cleanliness of the optical fiber cutting; the cutting piece 2212 can first cut the optical fiber skin, and then remove the optical fiber skin through the peeling groove 2131, and finally place the end of the optical fiber to be cut on the placing table 212 for cutting, so that the peeling and cross-section processing of the optical fiber can be completed on one device, thereby improving the integration of the optical fiber cutting device 2 and reducing space occupancy.

[0043] In some embodiments, Figure 3 , Figure 4 and Figure 5As shown, the fixing seat 211 is also provided with a boss 2112, which cooperates with the guide groove 2111 to guide and limit the optical fiber. The placement table 212 is arranged at the groove in the center of the base 1311, and the structure of the placement table 212 is matched with the structure of the cutting member 2212; the operating member 2211 can be an electric drive to move the cutting member 2212 up and down, and the operating member 2211 can also be pressed to achieve the downward movement of the cutting member 2212, and the automatic rebound of the cutting member 2212 is achieved by setting elastic members such as springs and rubber members between the operating member 2211 and the flip member 2221. The inner diameter of the peeling groove 2131 on the peeling member 213 can be from large to small from top to bottom to adapt to the peeling operation of optical fibers of different sizes. In the above technical scheme, the optical fiber can be fixed and guided by the cooperation of the guide groove 2111 and the boss 2112, the optical fiber outer skin can be cut by the cooperation of the operating member 2211 and the cutting member 2212, and then the optical fiber can be peeled by the peeling groove 2131. Finally, the cross-section cutting of the optical fiber can be achieved by the cooperation of the operating member 2211 and the cutting member 2212, thereby improving the efficiency and quality of optical fiber cutting.

[0044] Optionally, the cutting mechanism 221 further includes a moving member 2213, on which the operating member 2211 is disposed, and the moving member 2213 can drive the operating member 2211 to move left and right to adjust the position of the cutting member 2212. In the above technical solution, the cutting part of the cutting member 2212 can be adjusted by the moving member 2213, thereby avoiding the problem of poor cutting quality caused by wear of the cutting part of the fixed cutting member 2212, and improving the service life of the cutting member 2212.

[0045] Optionally, the optical cable fusion machine also includes an optical cable fixing device 3, which includes at least two second clamping components 31 and a third motion mechanism 32. Each second clamping component 31 can move in the left and right directions to clamp the optical cable. The two second clamping components 31 are arranged on the front and rear sides of the optical fiber fusion device 1; the third motion mechanism 32 is used to drive the second clamping component 31 to clamp the optical cable. The third motion mechanism 32 can be electrically driven by a linear motor, a ball screw, etc., or mechanically driven by a threaded fit. In the above technical solution, the optical cable can be fixed by the clamping of the optical cable fixing device 3, thereby avoiding the breakage of the optical fiber due to the movement of the optical cable during the optical fiber fusion process.

[0046] Optionally, the second clamping assembly 31 includes a second clamping member 311 and a third clamping member 312, one of which has a groove, and the other of which can be inserted into the groove to clamp the optical cable. In the above technical solution, the second clamping member 311 and the third clamping member 312 can cooperate to adapt to various optical cable sizes.

[0047] Optional, such as Figure 6 As shown, the optical cable fusion machine also includes a fixed platform 4, a second ball screw 5, and the optical fiber fusion tray 6, the optical fiber fusion device 1, and the optical fiber cutting device 2 are detachably connected to the fixed platform 4. The fixed platform 4 is fixedly connected to the second ball screw 5, and the second ball screw 5 can drive the fixed platform 4 to move in the left and right directions. In the above technical solution, the optical fiber fusion device 1, the optical fiber cutting device 2, and the optical fiber fusion tray 6 can be fixed on a platform through the fixed platform 4, which improves the portability of the optical cable fusion machine; and the position of the fixed platform 4 can be adjusted through the second ball screw 5, thereby adjusting the relative positions of the optical fiber fusion tray 6, the optical fiber fusion device 1, and the optical fiber cutting device 2 to adapt to different working scenes.

[0048] The working principle of the optical cable fusion splicer provided in this application is as follows:

[0049] 1. Pass the two sections of optical cable through the two clamping components of the optical cable fixing device 3 respectively, and drive the two clamping components to achieve clamping and fixing through the third motion mechanism 32 to ensure the concentricity of the two sections of optical cable;

[0050] 2. Fix the optical fiber splicing tray 6 on the fixing table 4, and coil the multiple optical fibers of the two sections of optical cables on the optical cable splicing tray in sequence. During the process, the fixing table 4 can be moved to a suitable position by the second ball screw 5;

[0051] 3. Place multiple optical fibers into the optical fiber cutting device 2 in sequence for peeling and cross-section cutting, and insert the heat shrink tube into a section located in front of the fixing table 4;

[0052] 4. Place two corresponding optical fibers in the optical fiber fusion splicing device 1 in sequence, perform fusion splicing of the optical fibers first, and then move the heat shrink tube to a preset position through the limiting assembly 13 to perform fusion splicing of the heat shrink tube, and repeat this action until all optical fibers are fused;

[0053] 5. Place the multiple bundles of optical fibers that have been fused into the optical fiber fusion splicing tray 6 and install the optical fiber fusion splicing tray 6;

[0054] 6. Disassemble the optical fiber splicing tray 6, and drive the two clamping components to release the clamping of the optical cable through the third motion mechanism 32.

[0055] It should be noted that, in the absence of conflict, the features in the embodiments of this application may be combined with each other.

[0056] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An optical fiber fusion splicing device, characterized in that: It includes a base, a first clamping assembly, a limiting assembly and a welding piece; The first clamping assembly is arranged on the base, and includes a first clamping mechanism and a first moving mechanism. The first clamping mechanism includes at least two pairs of first clamping members and at least two positioning members. Each pair of the first clamping members is arranged along the left-right direction and is used to clamp the optical fiber. The positioning member limits the optical fiber in the up-down direction. At least one pair of the first clamping members and one positioning member are arranged on both sides of the fusion splice along the front-back direction. The first moving mechanism is used to drive the first clamping member to realize linear movement in the left-right direction. The limiting assembly includes a limiting mechanism and a second motion mechanism. The limiting mechanism includes a limiting member and a base. The limiting member is arranged on the base. The base is arranged on the second motion mechanism. The second motion mechanism is used to drive the base to realize linear motion in the front and rear directions. The limiting member can drive the heat shrink tube to approach the first clamping mechanism.

2. The optical fiber fusion splicing device according to claim 1, characterized in that: The first motion mechanism includes a plurality of linear motors, and the plurality of linear motors are arranged on the base. Each of the linear motors is fixedly connected to each of the first clamping members and drives each of the first clamping members to realize linear motion in left and right directions.

3. The optical fiber fusion splicing device according to claim 1, characterized in that: The limiting member is an electric clamp capable of clamping the optical fiber or the heat shrink tube to move it closer to the first clamping mechanism; the second motion mechanism includes a first ball screw, which is used to drive the limiting member to achieve linear motion in the front-rear direction.

4. The optical fiber fusion splicing device according to claim 1, characterized in that: The positioning member is movably connected to the base, and the positioning member can move up and down relative to the base.

5. The optical fiber fusion splicing device according to claim 1, characterized in that: It also includes a detection mechanism, which is used to detect the cross-section connection status of the two sections of the optical fiber.

6. An optical cable fusion splicer, characterized in that: include: An optical fiber cutting device, an optical fiber fusion splicing device as claimed in any one of claims 1 to 5, wherein the optical fiber cutting device comprises a placement component and a flipping component; The placement assembly includes a fixed seat, a placement platform, and a peeling piece. The placement platform is fixedly connected to the fixed seat and is used to place the end of the optical fiber to be cut. The fixed seat is provided with a guide groove, and the guide groove is used to guide the optical fiber to move to a preset position and limit the movement in the left and right directions. The peeling piece is fixedly connected to one end of the fixed seat and is provided with a peeling groove. The peeling groove is concentric with the guide groove, and the inner diameter of the peeling groove is smaller than the outer diameter of the optical fiber. The flip assembly includes a cutting structure and a flip mechanism. The flip mechanism includes a flip piece and a rotating shaft. The flip piece is pivotally connected to the fixed seat via the rotating shaft. The cutting mechanism includes a cutting piece and an operating piece. The cutting piece is fixedly connected to the operating piece. The operating piece can drive the cutting piece to move up and down to achieve cutting of the optical fiber.

7. The optical cable fusion splicer according to claim 6, characterized in that: The cutting mechanism further comprises a moving member, the operating member is arranged on the moving member, and the moving member can drive the operating member to move left and right to adjust the position of the cutting member.

8. The optical cable fusion splicer according to claim 6, characterized in that: It also includes an optical cable fixing device, which includes at least two second clamping components and a third motion mechanism. Each of the second clamping components can move in the left and right directions to clamp the optical cable. The two second clamping components are arranged on the front and rear sides of the optical fiber fusion splicing device; the third motion mechanism is used to drive the second clamping components to clamp the optical cable.

9. The optical cable fusion splicer according to claim 8, characterized in that: The second clamping assembly includes a second clamping member and a third clamping member, one of the second clamping member and the third clamping member has a groove, and the other of the second clamping member and the third clamping member can be inserted into the groove to clamp the optical cable.

10. The optical cable fusion splicer according to claim 6, characterized in that: It also includes a fixed platform, a second ball screw, the optical fiber fusion plate, the optical fiber fusion device, and the optical fiber cutting device are detachably connected to the fixed platform, the fixed platform is fixedly connected to the second ball screw, and the second ball screw can drive the fixed platform to move in the left and right directions.

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