Optical fiber shearing device

By employing a counter-stroke shearing structure and a pre-shearing fixing structure, the problem of fiber misalignment in the fiber shearing device is solved, achieving high-precision and high-efficiency fiber shearing and ensuring neat and smooth cuts.

CN223573271UActive Publication Date: 2025-11-21SHANGHAI SIJIE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423253005.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-21
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing fiber shearing devices cannot ensure that the fiber maintains a stable position during the shearing process, resulting in displacement, which reduces shearing accuracy and efficiency, and the cut is not neat, and may have defects such as burrs or cracks.

Method used

The shearing structure employs a counter-stroke shearing structure and a pre-shearing fixing structure. Components such as limit rods, cylinders, and springs ensure that the optical fiber remains stable during the shearing process. The counter-stroke shearing with a shearing blade ensures a neat and smooth cut.

Benefits of technology

It improves the accuracy and efficiency of fiber shearing, reduces the time cycle, avoids cutting defects, and ensures uniform distribution of shearing force.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of optical fiber shearing, and provides an optical fiber shearing device which comprises a main case, the inner surface of the main case is fixedly connected with two limiting rods, the outer surfaces of the limiting rods are movably sleeved with two limiting sleeves, and the outer surfaces of the two limiting sleeves are fixedly sleeved with a movable plate. Side plates are fixedly connected to the two sides of the moving plate, shaft rods are rotatably connected to the two sides of the inner surface of the main machine shell, a synchronous plate is fixedly connected to the ends, away from the main machine shell, of the shaft rods, connecting rods are rotatably connected to the two ends of the synchronous plate, and the ends, away from the synchronous plate, of the connecting rods are rotatably connected to one sides of the side plates; and one side of the movable plate is fixedly connected with a shear knife. According to the utility model, the device is provided with the opposite stroke shearing structure, so that the optical fiber is ensured to be in a stable position in the shearing process and is prevented from deviating in the shearing process, the shearing precision is improved, a notch is neat and smooth, the shearing time period is shortened, and the shearing efficiency is higher.
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Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber shearing technical field especially relates to an optical fiber shearing device. BACKGROUND

[0002] The optical fiber shearing device mainly has the following effects: in the process of optical fiber installation and maintenance, the optical fiber needs to be cut into a specific length, the optical fiber shearing device can ensure that the cut is smooth, reduce signal transmission loss caused by irregular cut, accurately control the cutting length according to different needs, improve the accuracy and efficiency of optical fiber connection, compared with manual cutting tools, the optical fiber shearing device is more convenient and fast to operate, a large amount of optical fiber cutting work can be completed in a short time, through accurate cutting, the stability and reliability of signal transmission can be improved, and the existing device often has the problem of uneven cut when cutting the optical fiber.

[0003] However, in the prior art, for example, Chinese patent No. CN21887095U, "optical fiber shearing device", the utility model relates to an optical fiber shearing device, which comprises a support, an optical fiber material disc, a front and rear feeding mechanism, a pneumatic scissors and a rear end clamping jaw which are arranged in sequence from front to rear on the support; the optical fiber material disc is detachably and rotatably connected to the support; the front and rear feeding mechanism comprises a fixed plate, a driving assembly and a transmission assembly for moving the fixed plate forward and backward; the fixed plate is provided with a front end feeding jaw and a slide table cylinder for lifting the pneumatic scissors; the rear end clamping jaw is fixedly installed on the support; a receiving box is placed below the front and rear feeding mechanism on the support, the utility model has the advantages of simple structure, low cost, smooth optical fiber cut, good cutting quality of the segmented optical fiber end face, and can obviously improve the use effect of the optical fiber, in addition, the utility model has good practicability and working reliability.

[0004] However, the device does not have a counter-stroke shearing structure, which cannot ensure that the optical fiber is in a stable position during shearing, resulting in deviation of the optical fiber during shearing, thereby reducing the shearing accuracy, and cannot make the cut smooth and neat, increasing the shearing time period and reducing the shearing efficiency, and the device does not have a pre-shearing fixing structure, which cannot firmly clamp the optical fiber, resulting in any movement or deviation of the optical fiber during shearing, and the shearing force may be unevenly distributed, resulting in burrs, cracks or other defects in the cut. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose is to solve the prior art exists, cannot ensure that the optical fiber is in the stable position in the shearing process, causes the optical fiber to deviate when shearing, thereby reduced the precision of shearing, cannot make the incision neat, smooth, increased the shearing time period, and the shearing efficiency is lower, cannot firmly hold the optical fiber, causes its in the shearing process to deviate or shift, and the shearing force can be unevenly distributed, causes the incision to appear burr, crack or other defect problem.

[0006] In order to realize above-mentioned purpose, the utility model discloses a technical scheme as follows: a kind of optical fiber shearing device, including mainframe shell, the inner surface of the mainframe shell is fixedly connected with two limit rods, the outer surface of the limit rod movably sleeve joint has two limit sleeves, the outer surface of two limit sleeves is fixedly sleeve joint and moves to board, the both sides of the moving plate are fixedly connected with side plate, the inner surface both sides of the mainframe shell are rotatably connected with axle rod, the end of the axle rod away from mainframe shell is fixedly connected with synchronous plate, the both ends of the synchronous plate are rotatably connected with connecting rod, the end of the connecting rod away from synchronous plate is rotatably connected in one side of side plate, the side of the moving plate is fixedly connected with shearing knife, the other end of connecting rod will push synchronous plate, so that synchronous plate rotates along the axial direction of axle rod, and thus push the moving plate of other end, so that two moving plates are close to each other, and are sheared by the opposite stroke of two shearing knives.

[0007] As a preferred embodiment, the top of one of the moving plates is fixedly connected with two positioning rods, the outer surfaces of the two positioning rods are movably embedded in the top of the mainframe shell, and the moving plate moves along the axial direction of the positioning rods.

[0008] As a preferred embodiment, the outer surface of the positioning rod movably sleeve joint has a first spring, the top of the two first springs is fixedly connected to the inner surface of the mainframe shell, the bottom of the first spring is fixedly connected to the top of the moving plate, and the release of the elastic potential of the first spring helps the moving plate to reset.

[0009] As a preferred embodiment, the top of the mainframe shell is fixedly connected with two L-shaped plates, the inner sides of the two L-shaped plates are fixedly connected with air cylinders, the output end of the air cylinder is fixedly connected to the top of the moving plate, and the air cylinder is fixed to the top of the mainframe shell through the L-shaped plate.

[0010] As a preferred embodiment, the two sides of the mainframe shell are fixedly connected with a plurality of fixed rods, the one end of the plurality of fixed rods away from the mainframe shell is fixedly connected with a fixed plate, and the fixed plate is connected to the two sides of the mainframe shell through the fixed rod.

[0011] As a preferred implementation form, the fixed plate is fixedly connected with two shaft blocks on the side away from the main shell, force rods are movably arranged in the shaft blocks, a follow-up plate is fixedly connected to the bottom of the two force rods, and a force plate is fixedly connected to the top of the two force rods, so that the force rods can move along the direction of the shaft blocks.

[0012] As a preferred implementation form, the top of the follow-up plate is fixedly connected with a dynamic clamping plate, the side of the fixed plate close to the shaft block is fixedly connected with a static clamping plate, the top of the follow-up plate is fixedly connected with two second springs, and the top of the second springs is fixedly connected to the bottom of the shaft block, so that the follow-up plate moving along with the force rods can press the second springs.

[0013] As a preferred implementation form, the fixed plate is rotatably connected with a rotating rod, the outer surface of the rotating rod is fixedly connected with a rocker, one end of the rotating rod away from the rocker is fixedly connected with a cam block, and the outer surface of the cam block is arranged at the bottom of the force plate, so that the rotating rod and the cam block are driven to rotate by the rocker, and the cam block drives the force plate at the top to rotate.

[0014] Compared with the prior art, the utility model has the advantages and positive effects that:

[0015] 1. The device is provided with a counter-stroke shearing structure, so that the optical fiber is kept in a stable position during shearing, the optical fiber is prevented from deviating during shearing, the shearing precision is improved, the cut is neat and smooth, the shearing time period is reduced, and the shearing efficiency is higher.

[0016] 2. The device is provided with a pre-shearing fixing structure, so that the optical fiber can be firmly clamped and prevented from moving or deviating during shearing, the shearing force is uniformly distributed, and burrs, cracks or other defects are prevented from appearing in the cut. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Fig. 1 is a perspective structural schematic view of the optical fiber shearing device provided by the utility model;

[0018] Figure 2 Fig. 1 is a perspective structural schematic view of the optical fiber shearing device provided by the utility model;

[0019] Figure 3 Fig. 1 is a perspective structural schematic view of the optical fiber shearing device provided by the utility model;

[0020] Figure 4 Fig. 1 is a perspective structural schematic view of the optical fiber shearing device provided by the utility model;

[0021] Figure 5The back structure diagram of the fixed plate of the optical fiber shearing device is provided.

[0022] Legend:

[0023] 1, host shell; 2, limiting rod; 3, limiting sleeve; 4, moving plate; 5, side plate; 6, shaft rod; 7, synchronous plate; 8, connecting rod; 9, shearing knife; 10, positioning rod; 11, first spring; 12, L-shaped plate; 13, air cylinder; 14, fixed rod; 15, fixed plate; 16, shaft block; 17, force rod; 18, follower plate; 19, force plate; 20, moving clamping plate; 21, static clamping plate; 22, second spring; 23, rotating rod; 24, rocker; 25, cam block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Please refer to Figures 1 to 5 The present application provides a technical scheme: an optical fiber shearing device, which comprises a host shell 1, the inner surface of the host shell 1 is fixedly connected with two limiting rods 2, the outer surface of the limiting rods 2 is movably sleeved with two limiting sleeves 3, the outer surface of the two limiting sleeves 3 is fixedly sleeved with a moving plate 4, the two sides of the moving plate 4 are fixedly connected with side plates 5, the inner surface of the host shell 1 is rotatably connected with shaft rods 6 on both sides, the end of the shaft rods 6 away from the host shell 1 is fixedly connected with a synchronous plate 7, the two ends of the synchronous plate 7 are rotatably connected with connecting rods 8, the end of the connecting rods 8 away from the synchronous plate 7 is rotatably connected on one side of the side plate 5, one side of the moving plate 4 is fixedly connected with a shearing knife 9, when the moving plate 4 moves, it will push the movement of the connecting rod 8 through the side plate 5, the other end of the connecting rod 8 will push the synchronous plate 7, so that the synchronous plate 7 rotates along the axis direction of the shaft rod 6.

[0026] As Figures 1 to 5 shown, the top of one moving plate 4 is fixedly connected with two positioning rods 10, the outer surface of the two positioning rods 10 is movably embedded in the top of the host shell 1, the moving plate 4 will move along the axis direction of the positioning rod 10.

[0027] As Figures 1 to 5As shown in the figure, the outer surface of the positioning rod 10 is movably sleeved with the first spring 11, the top of the two first springs 11 is fixedly connected to the inner surface of the main shell 1, and the bottom of the first spring 11 is fixedly connected to the top of the moving plate 4. The moving plate 4 and the limiting sleeve 3 move along the direction of the limiting rod 2, and the first spring 11 on the outer side of the positioning rod 10 is pressed when moving.

[0028] As shown in the figure, Figures 1 to 5 As shown in the figure, the top of the main shell 1 is fixedly connected with two L-shaped plates 12, the inner side of the two L-shaped plates 12 is fixedly connected with the air cylinder 13, and the output end of the air cylinder 13 is fixedly connected to the top of the moving plate 4. The air cylinder 13 works to push a moving plate 4, so that the moving plate 4 and the limiting sleeve 3 move along the direction of the limiting rod 2.

[0029] As shown in the figure, Figures 1 to 5 As shown in the figure, the two sides of the main shell 1 are fixedly connected with a plurality of fixed rods 14, and the end away from the main shell 1 of the plurality of fixed rods 14 is fixedly connected with a fixed plate 15. The fixed plate 15 is connected to the two sides of the main shell 1 through the fixed rod 14.

[0030] As shown in the figure, Figures 1 to 5 As shown in the figure, the side away from the main shell 1 of the fixed plate 15 is fixedly connected with two shaft blocks 16, the inside of the shaft block 16 is movably embedded with a stress rod 17, the bottom of the two stress rods 17 is fixedly connected with a follow-up plate 18, the top of the two stress rods 17 is fixedly connected with a stress plate 19, and the stress rod 17 can move along the direction of the shaft block 16.

[0031] As shown in the figure, Figures 1 to 5 As shown in the figure, the top of the follow-up plate 18 is fixedly connected with a dynamic clamping plate 20, the side close to the shaft block 16 of the fixed plate 15 is fixedly connected with a static clamping plate 21, the top of the follow-up plate 18 is fixedly connected with two second springs 22, and the top of the second spring 22 is fixedly connected to the bottom of the shaft block 16. The release of elastic potential energy of the second spring 22 helps the follow-up plate 18 to reset.

[0032] As shown in the figure, Figures 1 to 5 As shown in the figure, the inside of the fixed plate 15 is rotatably connected with a rotating rod 23, the outer surface of the rotating rod 23 is fixedly connected with a rocker 24, the end away from the rocker 24 of the rotating rod 23 is fixedly connected with a cam block 25, and the outer surface of the cam block 25 is arranged at the bottom of the stress plate 19. The cam block 25 rotates to drive the stress plate 19 at the top, so that the stress rod 17 moves upward along the direction of the shaft block 16.

[0033] Working principle: first, the optical fiber is respectively through two fixed plate 15 and the inside mainframe shell 1, then through the rocker 24 drive rotating rod 23 and cam block 25 are rotated, cam block 25 when rotating will drive the top force plate 19, so that the force bar 17 along the axle block 16 direction to the upper movement, follow the force bar 17 movement servo plate 18, will extrude the inside second spring 22, second spring 22 release elastic potential will help servo plate 18 back, moving clamping plate 20 when following servo plate 18 moves, will be close to static clamping plate 21, and realizes the clamping fixed of inside optical fiber, then let the cylinder 13 do work, cylinder 13 through L-shaped plate 12 fixed in the top of mainframe shell 1, cylinder 13 do work will promote a moving plate 4, so that moving plate 4 and limit sleeve 3 along the limit rod 2 direction movement, in moving will extrude the first spring 11 outside the positioning rod 10, first spring 11 release elastic potential will help moving plate 4 back, moving plate 4 when moving will promote the movement of side plate 5 link 8, link 8 the other end will promote synchronous plate 7, so that synchronous plate 7 along the axis of the axle 6 direction rotation, and thus promote the other end moving plate 4, so that two moving plate 4 close to each other, through two cutting knives 9 opposite stroke cutting, will cut the inside optical fiber, fixed plate 15 through fixed rod 14 connects in the both sides of mainframe shell 1.

[0034] The above, only the preferred embodiment of the present application is described, and is not intended to limit the present application in other forms, any skilled in the art of the technical personnel may use the above disclosed technical content to change or modify as equivalent variation of equivalent embodiments applied in other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application, still belong to the protection scope of the present application technical scheme.

Claims

1. An optical fiber cutting device comprising a main housing (1), characterized in that, The inner surface of the host shell (1) is fixedly connected with two limiting rods (2), the outer surface of the limiting rod (2) is movably sleeved with two limiting sleeves (3), the outer surface of the two limiting sleeves (3) is fixedly sleeved with a moving plate (4), both sides of the moving plate (4) are fixedly connected with side plates (5), both sides of the inner surface of the host shell (1) are rotatably connected with shaft rods (6), one end of the shaft rod (6) away from the host shell (1) is fixedly connected with a synchronous plate (7), both ends of the synchronous plate (7) are rotatably connected with connecting rods (8), one end of the connecting rod (8) away from the synchronous plate (7) is rotatably connected on one side of the side plate (5), one side of the moving plate (4) is fixedly connected with a shearing cutter (9).

2. A fiber optic cleaving device according to claim 1, wherein: The top of one of the moving plates (4) is fixedly connected with two positioning rods (10), the outer surfaces of the two positioning rods (10) are movably embedded in the top of the host shell (1).

3. A fiber optic cleaving device according to claim 2, wherein: The outer surface of the positioning rod (10) is movably sleeved with a first spring (11), the top of the two first springs (11) is fixedly connected to the inner surface of the host shell (1), and the bottom of the first spring (11) is fixedly connected to the top of the moving plate (4).

4. A fiber optic cleaving device according to claim 3, wherein: The top of the host shell (1) is fixedly connected with two L-shaped plates (12), the inner sides of the two L-shaped plates (12) are fixedly connected with air cylinders (13), and the output ends of the air cylinders (13) are fixedly connected to the top of the moving plate (4).

5. A fiber optic cleaving device according to claim 4, wherein: Both sides of the host shell (1) are fixedly connected with a plurality of fixed rods (14), one end of the plurality of fixed rods (14) away from the host shell (1) is fixedly connected with a fixed plate (15).

6. A fiber optic cleaving device according to claim 5, wherein: One side of the fixed plate (15) away from the host shell (1) is fixedly connected with two shaft blocks (16), the interiors of the shaft blocks (16) are movably embedded with stress rods (17), the bottoms of the two stress rods (17) are fixedly connected with follow-up plates (18), and the tops of the two stress rods (17) are fixedly connected with stress plates (19).

7. A fiber optic cleaving device according to claim 6, wherein: The top of the follow-up plate (18) is fixedly connected with a dynamic clamping plate (20), one side of the fixed plate (15) close to the shaft block (16) is fixedly connected with a static clamping plate (21), the top of the follow-up plate (18) is fixedly connected with two second springs (22), and the top of the second spring (22) is fixedly connected to the bottom of the shaft block (16).

8. A fiber optic cleaving device according to claim 7, wherein: The interior of the fixed plate (15) is rotatably connected with a rotating rod (23), the outer surface of the rotating rod (23) is fixedly connected with a rocker (24), one end of the rotating rod (23) away from the rocker (24) is fixedly connected with a cam block (25), and the outer surface of the cam block (25) is arranged at the bottom of the stress plate (19).

Citation Information

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