Optical fiber drawing optical wand cone shearing device

Abstract

The invention relates to the technical field of optical fiber processing, in particular to an optical fiber drawing optical wand cone shearing device, the optical fiber drawing optical wand cone shearing device comprises a fiber breaking barrel, a cone shearing knife and a driving assembly, the fiber breaking barrel comprises a barrel body and a cover plate, and a fiber inlet hole is formed in the cover plate; the shear cone cutter is arranged in the fiber cutting barrel; the driving assembly can drive the shear cone cutter to move in the axial direction and the radial direction of the fiber inlet hole so as to shear off the optical wand. According to the optical wand shearing cone, the lower end of an optical wand passes through the fiber inlet hole of the fiber breaking barrel, when an optical fiber head falls down to reach the length of the shearing cone, an operator steps on the switch with feet, the shearing cone cutter can move downwards in an inclined mode so as to shear off the optical fiber, and the shearing cone cutter automatically resets after the feet are loosened; a worker observes the weight of the cut cone in real time according to the electronic scale below the device, and cut cone is stopped in time when the target weight is reached.

Description

Technical Field

[0001] This application relates to the technical field of optical fiber processing, and particularly relates to an optical fiber drawing preform shearing and tapering device. Background Art

[0002] When using a vise or diagonal pliers to cut the taper and remove the ineffective area at the front end of the preform during the preform turning process, there are situations where the high-temperature optical fiber can scald and stab the operator during the turning and tapering processes. Moreover, when it is required to cut off about three kilograms of ineffective preform, the operator needs to perform repeated arm-lifting and tapering actions for about 40 minutes, resulting in a relatively large operating labor intensity; and the dropped ineffective optical fiber cannot be weighed in real time, and the operator cannot know the tapering progress in a timely manner, leading to losses of raw materials and waste of time. Summary of the Invention

[0003] This application provides an optical fiber drawing preform shearing and tapering device to solve the problems of large operating labor intensity in the prior art for the arm-lifting and tapering actions and the operator's inability to know the tapering progress in a timely manner.

[0004] This application provides an optical fiber drawing preform shearing and tapering device, including: A fiber breaking barrel, including a barrel body and a cover plate, and an optical fiber inlet hole is opened on the cover plate; A tapering knife, arranged inside the fiber breaking barrel; A driving assembly, which can drive the tapering knife to move along the axial and radial directions of the optical fiber inlet hole to cut the preform.

[0005] In a possible design, the tapering knife includes a knife handle and a blade, the blade is arranged obliquely downward, and an acute angle is formed between the plane where the blade is located and the axial direction of the optical fiber inlet hole.

[0006] In a possible design, a support platform is arranged on the inner wall of the fiber breaking barrel, the upper end surface of the support platform is an inclined surface, the blade is parallel to the upper end surface of the support platform, and a guiding sliding ring is arranged on the support platform, and the inner wall of the guiding sliding ring is in sliding contact with the outer wall of the knife handle.

[0007] In a possible design, the guiding sliding ring is in a square ring structure.

[0008] In a possible design, it further includes a protective cover, and the driving assembly is arranged inside the protective cover.

[0009] In a possible design, the driving assembly includes: A connecting rod, one end of the connecting rod is rotatably connected to the knife handle, and a vertical hole is opened on the barrel wall of the fiber breaking barrel, and the other end of the connecting rod passes through the vertical hole; A turntable, the central axis of the turntable is rotatably installed on the inner wall of the protective cover, and an end shaft is arranged at a position near the edge of the turntable, and the end shaft is rotatably connected to the other end of the connecting rod.

[0010] In a possible design, the outer wall of the turntable is provided with disk teeth, and the driving assembly further includes: A rack, the side edges of the rack are respectively in sliding fit with the inner wall of the protective cover, meshing teeth are respectively provided on the opposite two sides of the rack, and the meshing teeth are meshed with the disk teeth; A gear, the outer teeth of the gear are meshed with the meshing teeth of the rack; A pedal, integrally connected to the gear, and the pedal can drive the gear to rotate.

[0011] In a possible design, the driving assembly further includes a base, the base is located below the pedal, and a return spring is provided between the base and the pedal.

[0012] In a possible design, a cavity is provided at the bottom of the fiber breakage barrel, and a weighing sensor is provided in the cavity.

[0013] In a possible design, a heat insulation layer is provided on the inner wall of the fiber breakage barrel.

[0014] The beneficial effects of the present application are as follows: For the optical fiber drawing preform shearing and tapering device of the present application, by passing the lower end of the preform through the fiber inlet hole of the fiber breakage barrel, when the fiber head comes down to reach the shearing and tapering length, the operator steps on the switch with the foot, and the shearing and tapering knife can move obliquely downward to cut the optical fiber. After the foot is released, the shearing and tapering knife automatically resets. The employee can observe the shearing and tapering weight in real time according to the electronic scale below the device, and stop shearing and tapering in time when the target weight is reached. Description of the Drawings

[0015] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required to be used in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a schematic internal structure diagram of the optical fiber drawing preform shearing and tapering device provided by the embodiment of the present application; Figure 2 It is a top view of the optical fiber drawing preform shearing and tapering device provided by the embodiment of the present application; Figure 3 It is a schematic diagram of the shearing cut of the preform in the prior art; Figure 4 It is a schematic diagram of the shearing cut for shearing the preform of the optical fiber drawing preform shearing and tapering device provided by the embodiment of the present application.

[0017] Reference Signs: 100, Fiber-breaking barrel; 110, Barrel body; 120, Cover plate; 121, Fiber inlet hole; 200, Cutting cone knife; 210, Knife handle; 220, Blade; 300, Support platform; 400, Guide sliding ring; 500, Protective cover; 610, Connecting rod; 620, Turntable; 621, End shaft; 630, Rack; 640, Gear; 650, Pedal; 660, Base; 670, Return spring; 700, Weighing sensor; 800, Heat insulation layer; 900, Optical fiber preform; 910, Cut. Specific embodiments

[0018] The technical solutions of the present application will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0019] Referring to Figure 3 As shown, currently, the cutting tool for the optical fiber preform 900 of the cutting cone is fixed. Every time the optical fiber preform 900 moves downward by a certain distance, the moving optical fiber preform 900 is cut by the tool. In this way, since the tool is stationary and the optical fiber preform 900 moves, the tool will generate a radial resistance to the optical fiber preform 900, which makes the optical fiber preform 900 prone to cracks, and the cut 910 of the cut optical fiber preform 900 will present Figure 3 the inclined cut 910 as shown in, affecting the surface quality of the optical fiber preform 900 after cutting.

[0020] Next, in combination with Figures 1-4 , the optical fiber preform 900 cutting cone device provided in the embodiments of the present application will be described.

[0021] Referring to Figure 1 , Figure 2 As shown, the optical fiber preform 900 cutting cone device provided in the embodiments of the present application includes a fiber-breaking barrel 100, a cutting cone knife 200, and a driving assembly. Among them, the fiber-breaking barrel 100 includes a barrel body 110 and a cover plate 120, and a fiber inlet hole 121 is opened on the cover plate 120; the cutting cone knife 200 is arranged in the fiber-breaking barrel 100; the driving assembly can drive the cutting cone knife 200 to move axially and radially along the fiber inlet hole 121 to cut the optical fiber preform 900.

[0022] Using the technical solution of the above embodiments, by passing the lower end of the optical rod 900 through the fiber inlet hole 121 of the fiber breaking barrel 100, when the fiber optic head comes down to the length where the cone can be cut, the driving assembly drives the cone cutting knife 200 to move along the axial and radial directions of the fiber inlet hole 121 to cut the optical rod 900. During the downward movement of the optical rod 900, when the cone cutting knife 200 moves along the radial direction of the fiber inlet hole 121, it can cut the optical rod 900 horizontally; when the cone cutting knife 200 moves along the axial direction of the fiber inlet hole 121, it can make the cone cutting knife 200 move as synchronously as possible with the optical rod 900, thereby effectively reducing the radial resistance of the cone cutting knife 200 to the optical rod 900 and also making the inclination angle of the cut 910 smaller, ensuring the surface quality of the optical rod 900 after cutting.

[0023] In some specific embodiments of the present application, the cone cutting knife 200 includes a knife handle 210 and a blade 220. The knife handle 210 is a cylindrical rod, and the blade 220 is a sheet-like structure. The blade 220 is arranged obliquely downward, and an acute angle is formed between the plane where the blade 220 is located and the axial direction of the fiber inlet hole 121. In this way, the angle between the blade 220 and the optical rod 900 can be made smaller, which can increase the stability of cutting and reduce the generation of cracks caused by the vibration of the optical rod 900.

[0024] In some specific embodiments of the present application, a support platform 300 is provided on the inner wall of the fiber breaking barrel 100. The upper end surface of the support platform 300 is an inclined surface. The blade 220 is parallel to the upper end surface of the support platform 300. A guiding sliding ring 400 is provided on the support platform 300, and the inner wall of the guiding sliding ring 400 is in sliding contact with the outer wall of the knife handle 210. Specifically, the guiding sliding ring 400 is in a square ring structure. In this way, the knife handle 210 can only move along the length direction of the guiding sliding ring 400 on the support platform 300, enabling the blade 220 to perform the feeding and retracting operations.

[0025] Refer to Figure 1 As shown, in some specific embodiments of the present application, the driving assembly includes a connecting rod 610, a turntable 620, a rack 630, a gear 640, and a pedal 650. One end of the connecting rod 610 is rotatably connected to the knife handle 210, and a vertical hole is provided on the barrel wall of the fiber breaking barrel 100. The other end of the connecting rod 610 passes through the vertical hole; the central axis of the turntable 620 is rotatably installed on the inner wall of the protective cover 500. A end shaft 621 is provided at a position near the edge of the turntable 620, and the end shaft 621 is rotatably connected to the other end of the connecting rod 610. By rotating the turntable 620, the end shaft 621 moves from the left end to the right end, thereby driving the connecting rod 610 to slide along the upper end surface of the support platform 300, and further driving the knife handle 210 and the blade 220 to move obliquely downward. During the downward movement of the optical rod 900, since the blade 220 also moves downward, the relative axial movement between the blade 220 and the optical rod 900 is small or even there is no axial relative movement. At this time, the blade 220 cuts the optical rod 900 horizontally, and on the cut optical rod 900, there appears Figure 4The shown incision 910 (substantially along the radial direction of the optical rod 900) can successively ensure the surface quality of the optical rod 900 after cutting. Specifically, the optical rod 900 shearing and tapering device further includes a protective cover 500, and the driving assembly is arranged inside the protective cover 500. By arranging the protective cover 500, it can prevent the residue during the shearing process of the high-temperature optical rod 900 in the barrel from popping out of the vertical hole and scalding the operator. The front and rear walls of the protective cover 500 are provided with sliding grooves, the side edges of the rack 630 are respectively clamped in the sliding grooves, and the side edges of the rack 630 are respectively in sliding fit with the inner walls of the sliding grooves and can move along the sliding grooves; the outer wall of the turntable 620 is provided with disk teeth, the opposite two sides of the rack 630 are respectively provided with meshing teeth, the meshing teeth on one side of the rack 630 are meshed with the disk teeth, and the meshing teeth on the other side of the rack 630 are meshed with the outer teeth of the lower gear 640. The pedal 650 is integrally connected with the gear 640. By rotating the pedal 650, the gear 640 can be driven to rotate by a certain angle, thereby driving the rack 630 to move along the sliding groove, further driving the turntable 620 to rotate, making the end shaft 621 move from the left end to the right end, thereby driving the connecting rod 610 to slide along the upper end surface of the support table 300, and further driving the tool holder 210 and the blade 220 to move obliquely downward to cut off the optical rod 900.

[0026] In some specific embodiments, the driving assembly further includes a base 660. The base 660 is located below the pedal 650, and a return spring 670 is arranged between the base 660 and the pedal 650. Stepping on the pedal 650 downward can cut off the optical rod 900. Subsequently, when the pedal 650 is released, under the elastic force of the return spring 670, the pedal 650 can be pushed upward to reset the shearing and tapering knife 200.

[0027] Referring to Figure 1 As shown, in some specific embodiments, a cavity is provided at the bottom of the fiber breaking barrel 100, a weighing sensor 700 is arranged in the cavity, and a display screen is arranged on the side of the fiber breaking barrel 100 for displaying the real-time weight of the broken fibers in the fiber breaking barrel 100 detected by the weighing sensor 700. During the shearing and tapering process, the weighing sensor 700 can timely weigh the broken fibers in the fiber breaking barrel 100, and the employee can observe the shearing and tapering weight in real time according to the display screen and stop the shearing and tapering in time when the target weight is reached.

[0028] Referring to Figure 1 As shown, in some specific embodiments, a heat insulation layer 800 is arranged on the inner wall of the fiber breaking barrel 100 to improve the operation safety.

[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation on the present application.

[0030] In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0031] In the present application, unless otherwise clearly specified and limited, the terms "mounted", "connected", "coupled", "fixed", etc. should be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0032] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0033] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as a limitation on the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application.

Claims

1. A fiber drawing light rod taper cutting device, characterized in that: include: The fiber cutting bucket comprises a bucket body and a cover plate, wherein the cover plate is provided with a fiber entry hole; A cone shear is arranged in the fiber cutting barrel; A driving assembly is provided, wherein the driving assembly can drive the cone cutter to move along the axial direction and radial direction of the fiber entry hole to cut the optical rod.

2. The optical fiber drawing light rod taper cutting device according to claim 1, characterized in that: The cone shear knife comprises a handle and a blade. The blade is arranged obliquely downward, and an acute angle is formed between the plane where the blade is located and the axial direction of the fiber entry hole.

3. The optical fiber drawing light rod taper cutting device according to claim 2, characterized in that: The inner wall of the fiber cutting barrel is provided with a support platform, the upper end surface of the support platform is an inclined surface, the blade is parallel to the upper end surface of the support platform, and a guide slip ring is provided on the support platform, and the inner wall of the guide slip ring is in sliding contact with the outer wall of the handle.

4. The optical fiber drawing light rod taper cutting device according to claim 3, characterized in that: The guide slip ring is in a square ring structure.

5. The optical fiber drawing light rod taper cutting device according to claim 4, characterized in that: It also includes a protective cover, and the driving component is arranged in the protective cover.

6. The optical fiber drawing light rod taper cutting device according to claim 5, characterized in that: The drive assembly comprises: A connecting rod, one end of which is rotatably connected to the knife handle, a vertical hole is provided on the barrel wall of the fiber cutting barrel, and the other end of the connecting rod passes through the vertical hole; A turntable, the central axis of which is rotatably mounted on the inner wall of the protective cover, an end shaft is provided near the edge of the turntable, and the end shaft is rotatably connected to the other end of the connecting rod.

7. The optical fiber drawing light rod taper cutting device according to claim 6, characterized in that: The outer wall of the rotating disk is provided with disk teeth, and the driving assembly further comprises: A rack, the side edges of which are respectively slidably matched with the inner wall of the protective cover, and two opposite sides of the rack are respectively provided with meshing teeth, which are meshed with the disc teeth; A gear, wherein the outer teeth of the gear mesh with the meshing teeth of the rack; A pedal is integrally connected with the gear, and the pedal can drive the gear to rotate.

8. The optical fiber drawing light rod taper cutting device according to claim 7, characterized in that: The driving assembly also includes a base, which is located below the pedal, and a return spring is arranged between the base and the pedal.

9. The optical fiber drawing light rod taper cutting device according to any one of claims 1 to 8, characterized in that: A cavity is arranged at the bottom of the fiber breaking bucket, and a weighing sensor is arranged in the cavity.

10. The optical fiber drawing light rod taper cutting device according to any one of claims 1 to 8, characterized in that: The inner wall of the fiber cutting barrel is provided with a heat insulation layer.

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