CN213814028U

CN213814028U - Equipment for efficiently stripping optical fiber coating and cutting optical fiber

Info

Publication number: CN213814028U
Application number: CN202023037040.3U
Authority: CN
Inventors: 叶福林
Original assignee: Jilin Aizhiguang Communication Technology Co ltd
Current assignee: Jilin Aizhiguang Communication Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-27
Anticipated expiration: 2030-12-16

Abstract

The utility model provides an equipment of optic fibre coating and cutting optic fibre is peeled off to high efficiency, peel off the cutter including optic fibre positioning fixture, flexible cutting tool and optic fibre coating, optic fibre positioning fixture includes base and apron, the base upper surface has a plurality of recesses, and flexible cutting tool includes blade holder, flexible cutter, fixed sword groove and optic fibre pinch roller, and flexible cutter inserts fixed sword groove, and the cutter is peeled off to the optic fibre coating includes the last edge of a knife, lower edge of a knife and heating block, flexible cutter is provided with the outside batching U type of cladding surface one side, can be high-efficient low-cost cutting optic fibre in batches, and cuts the terminal surface and level and smooth rule, has realized that optic fibre coating peels off, two kinds of functions of optic fibre cutting, can be used to in the production process and the test of optic fibre butt fusion and all kinds of optical devices.

Description

Equipment for efficiently stripping optical fiber coating and cutting optical fiber

Technical Field

The utility model relates to an optical fiber fusion splices and optical device production manufacture equipment technical field, in particular to high-efficient equipment of peeling off optic fibre coating and cutting optic fibre.

Background

In fiber optic communication systems, a large number of optical fibers need to be connected, including permanent connections (which are spliced by arc discharge using a fusion splicer) and removable connections (various fiber optic connectors including field-assembled quick connectors). In order to reduce the connection loss, the end face of an optical fiber needs to be cut, the current market uses professional optical fiber wire strippers and optical fiber cutters to strip and cut coatings, the optical fiber wire strippers are used to strip coatings, the optical fiber is fixed on the optical fiber cutters, a high-precision circular alloy blade is used to cut a small opening in the axial direction of the optical fiber, a pressing sheet is used to press and break the optical fiber above the opening, only one optical fiber can be cut, meanwhile, the cutting edge of the alloy blade is easy to wear to cause poor cutting, particularly, the depth and the angle of the cut optical fiber of the cutting edge can be mastered by professional personnel, the end face is poor in practical application, the condition of overlarge connection loss is caused, thus reworking and scrapping are caused, in addition, in the production and test processes of various optical devices, the leading-out tail fiber of the optical communication device also needs to be temporarily connected, and due to the unstable quality of the cut end face, the test error is larger, the production efficiency is reduced, and even the product is unqualified and scrapped.

SUMMERY OF THE UTILITY MODEL

The defect to prior art existence the utility model provides a high-efficient equipment of peeling off optical fiber coating and cutting optic fibre, cutting optic fibre in batches can be high-efficient low-cost, and the cutting end face levels rule, has realized that optical fiber coating peels off, two kinds of functions of fiber cutting, can be used to in production process and the test of optical fiber fusion splice and all kinds of optical devices, the utility model provides a technical scheme does:

the utility model provides an equipment of optic fibre coating and cutting optic fibre is peeled off to high efficiency, includes optic fibre positioning fixture, flexible cutting tool and optic fibre coating stripping tool, optic fibre positioning fixture includes base and apron, the base upper surface has a plurality of recesses, and flexible cutting tool includes blade holder, flexible cutter, fixed sword groove and optic fibre pinch roller, and flexible cutter inserts fixed sword groove, and optic fibre coating stripping tool includes edge of a knife, lower edge of a knife and heating block, flexible cutter is provided with the outside coiling of coating one side and takes the type of U.

Preferably, the gap between the upper knife edge and the lower knife edge is 0.130 mm-0.20 mm, the acute angle of the upper knife edge is 15-45 degrees, and the heating temperature of the heating block to the knife is 60-120 ℃.

Preferably, the flexible cutter adopts a PET (polyethylene terephthalate) polyester material as a base material, and the flexible cutter is coated with carborundum particles or a coating surface of carborundum particles.

Preferably, the fixed cutter groove is made of magnetic materials, a rubber pad with the thickness of 3-5 mm is arranged on the cutter holder, and the hardness is 60-90 #.

Preferably, the optical fiber pinch roller is fixed on the positioning shaft, and the included angle between the optical fiber pinch roller and the positioning shaft is 45 degrees.

Preferably, the groove is a semicircular groove with the diameter of 0.9 mm.

Preferably, a rubber layer with the hardness of 60# and the thickness of 2-3 mm is attached to the inner surface of the cover plate

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the optical fiber cutting device has the advantages that optical fibers can be cut efficiently and in batches at low cost, the cutting end face is smooth, two functions of optical fiber coating stripping and optical fiber cutting are achieved, and the optical fiber cutting device can be used for optical fiber welding and production processes and inspection tests of various optical devices.

2. The utility model discloses an optical fiber positioning fixture's centre gripping mode can accomplish the fixed of optic fibre within 5 seconds.

3. The utility model discloses an optical fiber coating peels off cutter can once only strip 24 optic fibre, and can compatible banded optic fibre, and diameter 0.9mm-. multiple optical fiber models such as 25mm strip the method one by one than traditional optic fibre and promoted efficiency, and this cutter has the spacing protection design can not cause the optic fibre damage. The fine damage of fine mode is badly between 20 ~ 5% is shelled to the tradition, the utility model discloses a fine cutter defective rate of shelling is less than 0.1%.

4. The utility model discloses a flexible cutting tool's cutting efficiency is high, can once cut 24 optic fibre, and cutting efficiency promotes 24 times one by one than traditional optic fibre. A large amount of external parts need be demolishd to traditional cutting knife blade changing, unloads the sword and the screw is twisted to the dress sword, need measure edge of a knife height and angle after the good cutter of dress, still need try to cut and confirm, needs 10 ~ 30 minutes, the utility model discloses flexible cutting tool installs simply, and the low price, durable, reliable and stable, the low price only has traditional cutting blade's 1/200.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the optical fiber positioning fixture;

FIG. 4 is a schematic structural view of the flexible cutting jig;

FIG. 5 is a schematic view of the optical fiber coating stripping tool.

In the shown drawing, an optical fiber 1, a positioning clamp 2, an optical fiber coating stripping tool 3, a directional guide rail 4, a positioning shaft 5, a flexible cutting jig 6, an optical fiber pinch roller 7, a base 22, a cover plate 21, an upper knife edge 31, a lower knife edge 32, a heating block 33, a knife holder 41, a flexible knife 42 and a fixed knife slot 43.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

As shown in fig. 1-5, an apparatus for efficiently stripping an optical fiber coating and cutting an optical fiber comprises an optical fiber positioning fixture 2, a flexible cutting fixture 6 and an optical fiber coating stripping tool 3, wherein the optical fiber positioning fixture 2 comprises a base 22 and a cover plate 21, the upper surface of the base 22 is provided with a plurality of grooves, the flexible cutting fixture 6 comprises a tool apron 41, a flexible tool 42, a fixed tool groove 43 and an optical fiber press wheel 7, the positioning shaft 5 folds the optical fiber press wheel 7 in the flexible cutting fixture 6 and is fixed on the positioning shaft 5, the flexible tool 42 is inserted into the fixed tool groove 43, the optical fiber coating stripping tool 3 comprises an upper tool edge 31, a lower tool edge 32 and a heating block 33, and the flexible tool 42 is provided with a coating surface which is rolled outwards in a U shape.

As shown in fig. 3, the optical fiber positioning fixture 2 includes a base 22 and a cover plate 21, the groove is a semicircular groove with a diameter of 0.9mm, a rubber layer with a thickness of 2 mm-3 mm and a hardness of 60# is attached to the inner surface of the cover plate 21, the optical fiber 1 is fixed by pressing, and the bare fiber 1 is directly placed on the base 22 when being cut and stripped, and is not placed in the groove, and the pressing is directly performed.

As shown in fig. 4: the flexible cutting jig 6 comprises a tool apron 41, a flexible cutter 42, a fixed tool groove 43 and an optical fiber pinch roller 7, wherein a layer of rubber pad with the thickness of 3-5 mm is padded on the tool apron 41, and the hardness is 60# -90 #. The flexible cutter 42 adopts PET polyester material as a base material, the thickness is between 0.75mm and 0.1mm, a layer of carborundum particles or carborundum particles with uniform size of 3um or 9um or 30um is coated on the base material, one side of the flexible cutter 42 provided with the coating surface is outwards rolled into a U shape, the fixed cutter groove 43 is made of magnetic materials, the flexible cutter 42 is inserted into the fixed cutter groove 43 to be attracted by magnetic force during installation, the optical fiber pressing wheel 7 is fixed on the rotatable positioning shaft 5, the included angle between the optical fiber pressing wheel 7 and the positioning shaft 5 is 45 degrees, when the optical fiber pressing wheel works, the optical fiber 1 is flatly laid on the rubber pad of the base 22, the U-shaped flexible cutter 42 is pressed downwards and lightly touched on the optical fiber 1, the U-shaped flexible cutter 42 can easily rebound and deform, and leaving point-like damage on the optical fiber 1, rotating the optical fiber pressing wheel 7 anticlockwise, and breaking the optical fiber 1 along the point-like damage position by using stress so as to finish the cutting of the optical fiber 1.

As shown in fig. 5: the optical fiber coating stripping tool 3 comprises an upper tool edge 31, a lower tool edge 32 and a heating block 33, wherein the gap between the upper tool edge 31 and the lower tool edge 32 is 0.130-0.20 mm, the acute angle of the upper tool edge 31 is 15-45 degrees, the heating temperature of the heating block 33 to the tool is 60-120 ℃, the upper tool edge 31 and the lower tool edge 32 of the optical fiber coating stripping tool 3 can cut into the coating of the optical fiber 1 after being folded in work but can not directly damage the optical fiber 1, the coating can be more cleanly stripped at the temperature of 60-120 ℃, and the yield is higher.

The utility model discloses a working process does: fixing a plurality of or single optical fibers 1 or ribbon optical fibers 1 with the diameters of 0.9mm and 0.25mm on an optical fiber positioning clamp 2, clamping the optical fibers 1 by an upper knife edge 31 and a lower knife edge 32 of an optical fiber coating stripping tool 3, transversely moving along a directional guide rail 4, and removing the coating on the optical fibers 1; rotating and folding the flexible cutting jig 6 along the positioning shaft 5 to perform controlled point-like physical damage on the outer surface of the bare optical fiber 1, and rotating the optical fiber pinch roller 7 to bend the optical fiber 1, so that the optical fiber 1 is disconnected along a stress surface; the optical fiber positioning clamp 2 is opened to withdraw the cut optical fiber 1.

In the prior art, a circular blade linearly cuts optical fibers, a blade needs to rotate 100-200 times (different brands and materials), each blade can only rotate 12 points, and 2400 optical fibers are cut at most. The utility model discloses flexible cutting tool 6 and technology durable owing to adopt that flexible cutting carries out punctiform damage to optical fiber, and every consumptive material can use 1000 times, and 24 optic fibre at every turn can cut 24000 optic fibre.

Traditional circular blade carries out linear cutting with optic fibre, and the position that the position of blade installation and optic fibre were put influences the straightness that hangs down, can only guarantee according to optic fibre cutting knife's propulsion precision and optic fibre and put personnel's experience, and the degree of depth of circular blade cutting optic fibre, along with the wearing and tearing of the edge of a knife and the precision difference of cutting knife itself, can cause the edge of a knife shallow to cut constantly, and the edge of a knife has deepened the condition of terminal surface unevenness, so stability is not good, the utility model discloses flexible cutting tool 6 and stable and reliable in process, because this design adopts flexible cutting, carry out punctiform damage to optic fibre, exert stress again makes its fracture, and the tool does not lead to the fact actual injury to optic fibre itself, and has avoided the terminal surface that angular deviation caused and the condition of optic fibre axle center out of plumb, so optic fibre cutting terminal surface at every turn all is smooth and vertically.

The utility model discloses an optic fibre pinch roller 7 carries out rupture control to optic fibre, because the stress for optic fibre is slowly increased, the surface of optic fibre disconnection can be more level and more smooth, and traditional mode is that the cutting plane is carried out with the mode of suppressing, applies a pressure suddenly and causes the terminal surface unevenness for optic fibre easily to influence optic fibre cutting terminal surface quality and stability.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. The utility model provides an equipment of optic fibre coating and cutting optic fibre is peeled off to high efficiency, its characterized in that, peels off the cutter including optic fibre positioning fixture, flexible cutting tool and optic fibre coating, optic fibre positioning fixture includes base and apron, the base upper surface has a plurality of recesses, and flexible cutting tool includes blade holder, flexible cutter, fixed sword groove and optic fibre pinch roller, and flexible cutter inserts fixed sword groove, and optic fibre coating peels off the cutter and includes edge of a knife, lower edge of a knife and heating block, flexible cutter is provided with the outside U type of batching of coating one side.

2. The apparatus of claim 1, wherein the gap between the upper and lower blades is 0.130mm to 0.20mm, and the acute angle of the upper blade is 15 to 45 °.

3. The apparatus of claim 1, wherein the flexible cutting tool is made of PET polyester material, and the flexible cutting tool is coated with silicon carbide particles or a coating surface of silicon carbide particles.

4. The apparatus of claim 3, wherein the fixing tool slot is made of magnetic material, the tool holder is provided with a rubber pad with a thickness of 3 mm-5 mm, and the hardness of the rubber pad is 60# to 90 #.

5. The apparatus of claim 4, wherein the optical fiber pressing wheel is fixed on the positioning shaft, and the included angle between the optical fiber pressing wheel and the positioning shaft is 45 °.

6. The apparatus for stripping coating and cleaving optical fiber according to claim 1, wherein the groove is a semicircular groove with a diameter of 0.9 mm.

7. The apparatus for stripping coating and cleaving optical fiber according to claim 6, wherein the cover plate has a rubber layer with a hardness of 60# attached to an inner surface thereof in a thickness of 2mm to 3 mm.