CN211712965U

CN211712965U - Optical fiber collecting barrel and optical fiber drawing device

Info

Publication number: CN211712965U
Application number: CN201921813181.4U
Authority: CN
Inventors: 孙强; 郑志宇
Original assignee: Jiangsu Yongding Fiber Technology Co ltd
Current assignee: Jiangsu Yongding Fiber Technology Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-10-20
Anticipated expiration: 2029-10-25

Abstract

The utility model provides an optic fibre collecting vessel and optic fibre device of loosing silk, collecting vessel gas blowing device utilize the one down the compressed air who blows, make and can reach the barrel bottom of loosing silk smoothly at the in-process optic fibre of loosing silk, prevent to lead to disconnected fine because of optic fibre is fluffy. In addition, when the optical fiber moves downwards under the driving of the traction device, the lower end part of the optical fiber penetrates through the opening of the optical fiber collecting barrel and is contacted with the inclined surface of the fiber breaking device, the inclined surface guides the optical fiber to move obliquely downwards to form a bending angle, if the diameter of the optical fiber exceeds a certain value, the optical fiber can be broken after reaching the certain angle, and the fiber drawing state can be continuously maintained.

Description

Optical fiber collecting barrel and optical fiber drawing device

Technical Field

The application relates to an optical fiber collecting barrel and an optical fiber filament drawing device.

Background

In the prior art, the optical fiber drawing process is an important stage in the optical fiber manufacturing process, the optical fiber needs to be collected into the collecting barrel through the traction device, when the diameter of the optical fiber is too thick and exceeds a certain value, the optical fiber cannot be smoothly coiled at the bottom of the collecting barrel by using compressed air, and even the optical fiber may be too thick to prop against the collecting barrel, so that the traction device cannot draw the optical fiber, and the optical fiber cannot be drawn normally.

Disclosure of Invention

The technical problem that this application will be solved provides an optic fibre collecting vessel and optic fibre device of loosing silk.

In order to solve the technical problem, the application provides an optical fiber collecting barrel, the optical fiber collecting barrel include the collecting barrel body, locate the opening part of collecting barrel body be provided with the annular collecting barrel gas blowing device of a circle, collecting barrel gas blowing device be used for blowing downwards toward this internal of collecting barrel.

Preferably, the outer diameter of the collecting bucket air blowing device is matched with the inner diameter of the collecting bucket body, the collecting bucket air blowing device comprises a collecting bucket air blowing device body, a cavity structure is arranged in the collecting bucket air blowing device body, a plurality of collecting bucket air blowing holes are formed in the lower surface of the collecting bucket air blowing device body, the plurality of collecting bucket air blowing holes are distributed along the circumferential direction of the collecting bucket air blowing device body, a collecting bucket air blowing interface is further arranged on the side wall of the collecting bucket air blowing device body, and the collecting bucket air blowing interface is communicated with the inner cavity of the collecting bucket air blowing device body.

Preferably, the inner wall of the air blowing interface of the collecting barrel is of a threaded structure and is used for being connected with an air blowing device in a threaded mode.

Preferably, the optical fiber collecting barrel further comprises a fiber breaking device arranged at the bottom of the collecting barrel body, and the upper surface of the fiber breaking device is provided with an inclined surface used for guiding the movement of the optical fiber.

Preferably, the centerline of the fiber collection barrel passes through the ramp.

Preferably, the fiber breaking device comprises a conical part, the conical surface of the conical part forms the inclined surface, and the vertex of the conical part is deviated from the center line of the optical fiber collecting barrel.

Preferably, the fiber breaking device further comprises a cylindrical part arranged on the lower side of the conical part.

The application also provides an optical fiber drawing device, which comprises the optical fiber collecting barrel.

Preferably, the optical fiber drawing device comprises a mounting plate, an air blowing fiber passing die and an auxiliary fiber passing die which are respectively arranged at the upper end and the lower end of the mounting plate, and two traction devices which are arranged along the left-right direction on the mounting plate, wherein the two traction devices can be mutually clamped and are used for transmitting the optical fiber, the optical fiber sequentially passes through the air blowing fiber passing die, between the two traction devices and the auxiliary fiber passing die, the optical fiber collecting barrel is arranged below the auxiliary fiber passing die, and the optical fiber enters the optical fiber collecting barrel after passing through the auxiliary fiber passing die and is collected.

Specific embodiments of the present application are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the application may be employed. It should be understood that the embodiments of the present application are not so limited in scope. The embodiments of the application include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for assisting the understanding of the present application, and are not particularly limited to the shapes, the proportional sizes, and the like of the respective members in the present application. Those skilled in the art, having the benefit of the teachings of this application, may select various possible shapes and proportional sizes to implement the present application, depending on the particular situation.

FIG. 1 is a schematic structural view of an optical fiber drawing device according to the present application;

FIG. 2 is a schematic illustration of the exploded structure of the blown fiber die of the present application;

FIG. 3 is a schematic cross-sectional view of the cover plate of the blow through fiber die of the present application;

FIG. 4 is a schematic cross-sectional view of the blown fiber die body of the present application;

FIG. 5 is a schematic cross-sectional view of the blow through fiber die of the present application;

FIG. 6 is a schematic structural view of a fiber collection bucket of the present application;

fig. 7 is a schematic structural view of the collector bucket blowing device of the present application.

Wherein: 100. mounting a plate; 200. blowing and passing through a fiber mold; 300. auxiliary fiber passing die; 400. a traction device; 600. a static eliminator; 10. a first pulley; 20. a second pulley; 30. a belt;

101. moving the plate; 102. a slide rail; 103. a cylinder support; 104. a driving cylinder;

1. a cover plate; 11. a first fiber passing hole; 12. a cylindrical portion; 13. a tapered portion; 14. a cover portion;

2. blowing air through the fiber mold body; 21. a cylindrical portion accommodating chamber; 22. a cone-receiving cavity; 23. a second fiber passing hole; 24. mounting a through hole; 211. a first ventilation gap; 221. a second ventilation gap; 3. a blowing joint;

500. an optical fiber collection barrel; 40. a collecting barrel blowing device; 50. a collecting barrel body; 60. a fiber breaking device;

41. a collecting barrel air blowing device body; 42. a gas blowing hole of the collecting barrel; 43. a collection barrel air blowing interface; 61. a cylindrical portion; 62. a conical portion.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, for an optical fiber drawing device of the present application, the optical fiber drawing device includes a mounting plate 100, an air blowing fiber passing mold 200 and an auxiliary fiber passing mold 300 respectively disposed at the upper and lower ends of the mounting plate 100, and two pulling devices 400 installed on the mounting plate 100 and arranged along the left and right direction, wherein the two pulling devices 400 can be clamped with each other for transmitting the optical fiber, and the optical fiber passes through the air blowing fiber passing mold 200, between the two pulling devices 400, and the auxiliary fiber passing mold 300 in sequence.

The mounting plate 100 is further provided with an electrostatic eliminator 600, and the electrostatic eliminator 600 is located at the rear side of the traction devices 400 and is used for eliminating static electricity of the optical fiber passing between the two traction devices 400. The static eliminator 600 can eliminate static electricity carried by itself and generated by spinning, so as to reduce the probability of spinning and fiber breaking.

The traction device 400 includes a first pulley 10 and a second pulley 20 arranged in the up-down direction, and a belt 30 wound around the first pulley 10 and the second pulley 20, and the optical fiber passes between the belts 30 of the two traction devices 400 and is pulled by the belt 30.

The traction device 400 further comprises a moving plate 101, the first belt wheel 10 and the second belt wheel 20 are mounted on the moving plate 101, one or more slide rails 102 arranged along the left-right direction are mounted on the mounting plate 100, and the moving plate 101 is slidably mounted on the slide rails 102.

The mounting plate 100 is further provided with a driving cylinder 104 for driving the moving plate 101 to move along the slide rail 102.

The driving cylinder 104 is mounted on the mounting plate 100 through a cylinder support 103.

The portions of the two traction devices 400 adjacent to the belt 30 are arranged parallel to each other.

Compare and directly use the traction wheel to pull optic fibre among the prior art, this application uses belt 30 drive optic fibre, changes the mode of original point contact into the mode of face contact, can reduce the disconnected fine of optic fibre at the process of drawing silk.

The traction devices 400 of the present application are driven by the driving cylinders 104, respectively, and the distance between the belts 30 of the two traction devices 400 can be changed.

As shown in fig. 2-5, the fiber blowing mold 200 of the present application includes a fiber blowing mold body 2 and a cover plate 1 covering an opening at the upper part of the fiber blowing mold body 2.

As shown in fig. 3, the cover plate 1 includes a cover portion 14, and an insertion portion provided below the cover portion 14 and inserted into the blown fiber mold body 2, the insertion portion includes a cylindrical portion 12 connected to a lower surface of the cover portion 14, and a tapered portion 13 located below the cylindrical portion 12, and the cover plate 1 is opened with a first fiber passing hole 11 vertically penetrating the cover plate 1.

As shown in fig. 4, the blown fiber passing mold body 2 is cylindrical, a channel cavity with an upper tube and a lower tube is formed in the blown fiber passing mold body 2, and the channel cavity sequentially comprises a cylindrical portion accommodating cavity 21 matched with the cylindrical portion 12 and used for accommodating the cylindrical portion 12, a conical portion accommodating cavity 22 matched with the conical portion 13 and used for accommodating the conical portion 13, and a second fiber passing hole 23 for an optical fiber to pass through.

As shown in fig. 5, when the cover plate 1 is mounted on the blown fiber mold body 2, a first ventilation gap 211 extending in the vertical direction is formed between the cylindrical portion 12 and the sidewall of the cylindrical portion accommodating chamber 21, a second ventilation gap 221 inclined downward is formed between the cylindrical portion 12 and the sidewall of the cylindrical portion accommodating chamber 21, the upper end of the second ventilation gap 221 is communicated with the first ventilation gap 211, and the lower end of the second ventilation gap 221 is communicated with the second fiber passing hole 23.

One or more mounting through holes 24 for mounting the air blowing joint 3 are further arranged on the side wall of the air blowing fiber passing die body 2, and the mounting through holes 24 are communicated with the first ventilation gap 211.

The first fiber passing hole 11 and the second fiber passing hole 23 are coaxially arranged and have the same inner diameter.

The cover 14 of the cover plate 1 covers the upper end of the blown fiber mold body 2 to seal the upper end of the first vent gap 211.

The air flow blown out by the air blowing joint 3 sequentially passes through the first ventilation gap 211 and the second ventilation gap 221, and a downward air flow is formed in the second fiber passing hole 23 under the guidance of the second ventilation gap 221. The blowing fiber passing die 200 guides the optical fiber to enter the fiber drawing device, and the probability of fiber breakage generated in the fiber drawing process is mainly concentrated at the traction device 400, so that the blowing fiber passing die 200 utilizes a stream of downward blowing compressed air to enable the optical fiber to continuously descend until the optical fiber contacts the fiber drawing traction wheel again to realize secondary fiber drawing after the fiber is drawn and broken. And the compressed air blows off the broken optical fibers remaining on the traction belt 30 due to the spinning and fiber breaking.

The optical fiber drawing device of the present application further includes an optical fiber collecting barrel 500, the optical fiber collecting barrel 500 is disposed below the auxiliary fiber passing die 300, and the optical fiber enters the optical fiber collecting barrel 500 after passing the auxiliary fiber passing die 300 and is collected.

As shown in fig. 6 and 7, the optical fiber collecting vessel 500 of the present application includes a collecting vessel body 50, and an annular collecting vessel blowing device 40 is disposed at an opening of the collecting vessel body 50, and the collecting vessel blowing device 40 is used for blowing air into the collecting vessel body 50 downward.

The outer diameter of the collecting barrel air blowing device 40 is matched with the inner diameter of the collecting barrel body 50, the collecting barrel air blowing device 40 comprises a collecting barrel air blowing device body 41, a cavity structure is arranged in the collecting barrel air blowing device body 41, a plurality of collecting barrel air blowing holes 42 are formed in the lower surface of the collecting barrel air blowing device body 41, the collecting barrel air blowing holes 42 are distributed along the circumferential direction of the collecting barrel air blowing device body 41, a collecting barrel air blowing interface 43 is further arranged on the side wall of the collecting barrel air blowing device body 41, and the collecting barrel air blowing interface 43 is communicated with the inner cavity of the collecting barrel air blowing device body 41.

The inner wall of the air blowing interface 43 of the collecting barrel is of a threaded structure and is used for being connected with an air blowing device in a threaded mode.

The collecting barrel air blowing device 40 utilizes a stream of compressed air blown downwards to enable the optical fibers to smoothly reach the bottom of the fiber drawing barrel in the fiber drawing process, so that fiber breakage caused by fluffy optical fibers is prevented.

The optical fiber collecting barrel 500 further comprises a fiber cutting device 60 arranged at the bottom of the collecting barrel body 50, and the upper surface of the fiber cutting device 60 is provided with an inclined surface for guiding the movement of the optical fiber.

In the prior art, when the diameter of the optical fiber is too thick and exceeds a certain value, the optical fiber cannot be smoothly coiled at the bottom of the collecting barrel by using compressed air, and even the optical fiber may be too thick to prop against the collecting barrel, so that the traction device 400 cannot pull the optical fiber, and the optical fiber cannot be normally drawn.

In the present application, when the optical fiber is driven by the drawing device 400 to move downward, the lower end of the optical fiber passes through the opening of the optical fiber collection barrel 500 and contacts with the inclined surface of the fiber cutting device 60, and the inclined surface guides the optical fiber to move obliquely downward to form a bending angle, and if the diameter of the optical fiber exceeds a certain value, the optical fiber will break after reaching a certain angle, and the fiber drawing state can be continuously maintained. In one embodiment, the fiber diameter is 0.3mm, and the slope is 30 degrees from vertical, the fiber can be broken, the thicker the fiber is, the easier it is to break.

In a preferred embodiment, the centerline of the fiber collection barrel 500 passes through the ramp. This ensures that the lower end of the optical fiber is in contact with the inclined surface.

The fiber breaker 60 includes a conical portion 62, and the conical surface of the conical portion 62 forms the inclined surface.

The apex of the conical portion 62 is offset from the centerline of the fiber collection barrel 500. That is, the center line of the fiber collecting barrel 500 does not pass through the vertex of the conical portion 62, so that the phenomenon that the lower end of the optical fiber is contacted with the vertex of the conical portion 62 and the optical fiber is pushed by the vertex of the conical portion 62 to cause abnormal fiber drawing can be avoided.

The fiber breaker 60 further comprises a cylindrical portion 61 disposed on the lower side of the conical portion 62. The cylindrical portion 61 can increase the height of the slope.

It is to be noted that, in the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

All articles and references disclosed, including patent applications and publications, are hereby incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not materially affect the basic novel characteristics of the combination. The use of the terms "comprising" or "including" to describe combinations of elements, components, or steps herein also contemplates embodiments that consist essentially of such elements, components, or steps. By using the term "may" herein, it is intended to indicate that any of the described attributes that "may" include are optional.

A plurality of elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, ingredient, component or step is not intended to foreclose other elements, ingredients, components or steps.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego the subject matter and should not be construed as an admission that the applicant does not consider such subject matter to be part of the disclosed subject matter.

Claims

1. The utility model provides an optic fibre collecting vessel, its characterized in that, optic fibre collecting vessel include the collecting vessel body, locate the opening part of collecting vessel body be provided with a ring form collecting vessel gas blowing device, collecting vessel gas blowing device be used for blowing downwards toward the collecting vessel body is internal.

2. An optical fiber collecting barrel according to claim 1, wherein the outer diameter of the collecting barrel blowing device is matched with the inner diameter of the collecting barrel body, the collecting barrel blowing device comprises a collecting barrel blowing device body, a cavity structure is arranged in the collecting barrel blowing device body, a plurality of collecting barrel blowing holes are formed in the lower surface of the collecting barrel blowing device body, the plurality of collecting barrel blowing holes are arranged along the circumferential direction of the collecting barrel blowing device body, a collecting barrel blowing interface is further arranged on the side wall of the collecting barrel blowing device body, and the collecting barrel blowing interface is communicated with the inner cavity of the collecting barrel blowing device body.

3. The optical fiber collection barrel of claim 2, wherein the inner wall of the air blowing port of the collection barrel is threaded for being threadedly connected to an air blowing device.

4. The fiber optic collection barrel of claim 2, further comprising a fiber breaker disposed at the bottom of the barrel body, the fiber breaker having an upper surface with a ramp for guiding movement of the optical fibers.

5. The fiber optic collection barrel of claim 4, wherein a centerline of the fiber optic collection barrel passes through the ramp.

6. The fiber optic collection barrel of claim 4, wherein the fiber breaking means comprises a conical portion, the conical surface of the conical portion defining the ramp, the apex of the conical portion being offset from the centerline of the fiber optic collection barrel.

7. The fiber optic collection barrel of claim 6, wherein the fiber breaker further includes a cylindrical portion disposed on the underside of the conical portion.

8. An optical fiber drawing device, characterized in that the optical fiber drawing device comprises the optical fiber collecting barrel according to any one of claims 1 to 7.

9. The optical fiber drawing device according to claim 8, wherein the optical fiber drawing device comprises a mounting plate, an air blowing fiber passing die and an auxiliary fiber passing die respectively disposed at upper and lower ends of the mounting plate, and two drawing devices disposed on the mounting plate and arranged in a left-right direction, the two drawing devices can be clamped to each other for transferring the optical fiber, the optical fiber sequentially passes through the air blowing fiber passing die, between the two drawing devices, and the auxiliary fiber passing die, the optical fiber collecting barrel is disposed below the auxiliary fiber passing die, and the optical fiber passes through the auxiliary fiber passing die and then enters the optical fiber collecting barrel to be collected.