CN203705681U - Cutter for cutting optical fiber - Google Patents

Cutter for cutting optical fiber Download PDF

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Publication number
CN203705681U
CN203705681U CN201190000974.XU CN201190000974U CN203705681U CN 203705681 U CN203705681 U CN 203705681U CN 201190000974 U CN201190000974 U CN 201190000974U CN 203705681 U CN203705681 U CN 203705681U
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CN
China
Prior art keywords
optical fiber
blade
cutting
actuator
cutting machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201190000974.XU
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Chinese (zh)
Inventor
B·E·哈利特
J·D·雷克
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Corning Research and Development Corp
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Corning Optical Communications LLC
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Priority claimed from US13/112,434 external-priority patent/US20120125166A1/en
Application filed by Corning Optical Communications LLC filed Critical Corning Optical Communications LLC
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Publication of CN203705681U publication Critical patent/CN203705681U/en
Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/25—Preparing the ends of light guides for coupling, e.g. cutting

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

The utility model discloses a cutter for cutting an optical fiber, and the cutter comprises: a cutter body; an actuator which is put in the cutter body and is actuated along an actuation path, so as to enable a blade to move along a cutting path, wherein at least a part of the cutting path is arc-shaped; an optical fiber path which is located in the cutter body and is intersected with the cutting path, at least a part of which is arc-shaped, so as to enable an end part of the optical fiber put in the optical fiber path to be cut when the actuator is actuated for enabling the blade to move along the cutting path and contact with the end part of the optical fiber. The cutter is characterized in that the cutter further comprises a clamp extension member; the clamp extension member is arranged in the actuator and configured to apply a force to a movable optical fiber clamp, so as to clamp the end part of the optical fiber put in the optical fiber path. Through the above cutter, the beneficial technical effects are obtained.

Description

For the cutting machine of cutting optical fibre
Related application
According to United States code, the 35th section of 119 articles of requirements enjoy in the 61/416th of submission on November 23rd, 2010 to the application, the right of priority of No. 448 U.S. Provisional Applications, and the 35th section of 120 articles of requirements enjoy in the 13/112nd of submission on May 20th, 2011 according to United States code, the right of priority of No. 434 U. S. applications, this instructions relies on content and the described application of described application and includes by reference in full this instructions in.
Technical field
The technology of disclosure relates to the method for cutting machine and cutting optical fibre, so that a terminal end face to be provided on optical fiber, for making fibre-optic terminus.
Background technology
In many application, optical fiber can be used for transmitting and processing light.The advantage of optical fiber comprises bandwidth and the low noise operation of non-constant width.Because these advantages, optical fiber, just more and more for multiple application, includes but not limited to broadband voice, video and data transmission.Adopt the fiber optic network of optical fiber developing and for transmitting voice, video and data transmission by private network and public network to user.These fiber optic networks generally include discrete tie point, and they connect optical fiber so that " the real fiber " from a tie point to another tie point to be provided.In this respect, fiber plant is positioned at data distribution center or central office is interconnected to support.
Optical communication network relates to terminal to be made, to connect between diverse optical fiber.For example, optical fiber can be spliced together, connects to set up optics.Optical fiber can also connect with the joints of optical fibre that can be inserted in together, connects to set up optics.In either case, may all need technician to set up optics on the spot connects.Technician's cutting optical fibre, to make an end face on optical fiber.Technician can use a cutting machine, and cutting machine comprises that blade is for delineating, rule or otherwise producing crack at the glass of optical fiber.First in the glass of optical fiber, generate crack, then disconnect glass at crack place, to obtain an end face.Blade can generate this crack through glass by being pressed into glass or fiercelying attack.Then, end face can be spliced to another root optical fiber or with joints of optical fibre connection, connect to set up optics.
Blade for cutting optical fibre generates crack with the hard material being arranged on blade outside surface at an optical fiber conventionally, and described hard material is as adamas, sapphire, ruby, pottery, steel and wimet.Cutting equipment (being called as cutting machine) is used for supporting the blade for cutting optical fibre.Cutting machine generally includes an optical fibre frame, so that optical fiber is in position.Be actuated at subsequently in cutting machine a movable member for fixing described blade, blade contacted with an optical fiber, thereby in optical fiber, produce a crack.In this regard, cutting machine blade need to have a very sharp blade, so that the minimized in size in the crack producing in optical fiber, thereby reduce the risk of damaging fiber cores, efficient light transmission is provided.Otherwise, may in core, produce a larger crack, therefore form a bad end face and carry out light transmission.But, due to blade be repeatedly used for cutting, blade must be abandoned, if or blade just make and must be sharpened by the material that can be sharpened.Conventionally more expensive by the blade that can be made by the sharp material of mill.In addition, must provide maintenance, to keep blade still enough sharp after Reusability, produce compared with the risk of large fracture otherwise can emit in optical fiber.
Utility model content
By the description of background technology part above, known existing cutting machine exists a lot of not enough.For example, due to blade be repeatedly used for cutting, blade must be abandoned, if or blade just make and must be sharpened by the material that can be sharpened.Conventionally more expensive by the blade that can be made by the sharp material of mill.In addition, must provide maintenance, to keep blade still enough sharp after Reusability, produce compared with the risk of large fracture otherwise can emit in optical fiber.
The cutting machine that the utility model provides, has overcome at least one in the defect of prior art, has obtained useful technique effect.
According to the utility model, this object is to realize by following 1 cutting machine, and 2-12 is preferred version of the present utility model:
1. for a cutting machine for cutting optical fibre, comprising:
A body;
An actuator, this actuator is placed in described body, and is configured to activated to move a blade along at least local curved cutting path along actuation path;
A fiber path, this fiber path is positioned at described body, and crossing with described at least local curved cutting path, with the described actuator of box lunch activated so that described blade when moving and contact with the end of optical fiber along described at least local curved cutting path, to be placed on the end of the optical fiber in fiber path cut; It is characterized in that
Further comprise a clamp extended element, this clamp extended element be arranged in described actuator and be configured to one movably optical fiber clamp apply power, to clamp the end that is placed on the optical fiber in described fiber path.
2. according to the cutting machine described in 1, further comprise a tool arm, described tool arm is movably by described actuator, and blade described in local support at least.
3. according to the cutting machine described in 2, further comprise a sheath, described sheath is arranged in described tool arm, and is arranged to fixing described blade.
4. according to the cutting machine described in 3, further comprise a pivot pin, described pivot pin is arranged in described tool arm and is contained in the pivot opening being formed in described body, when described actuator activated so that blade while moving along described at least local curved cutting path, described tool arm is around described pivot pins.
5. according to the cutting machine described in 4, wherein said pivot aperture arrangement is in the first end cap, and this first end cap is inserted in the first end opening of described sheath.
6. according to the cutting machine described in 5, further comprise an optical fiber receiver, this optical fiber receiver is arranged in described the first end cap, is arranged to the end of receiving optical fiber to be cut, and is alignd in the end of optical fiber in fiber path.
7. according to the cutting machine described in 3, further comprise an articulated pin, this articulated pin is arranged in described tool arm and is contained in the groove being arranged in described actuator, wherein when described actuator activated so that blade while moving along described at least local curved cutting path, described articulated pin moves around in described groove.
8. according to the cutting machine described in 7, wherein said actuator has a tool arm extended element, and described groove is positioned at described tool arm extended element.
9. according to the cutting machine described in 8, wherein said tool arm extended element is connected to a yoke being arranged in described actuator.
10. according to the cutting machine described in 1, further comprise an axle being arranged in described actuator, this axle is configured in the time that this axle activated, and blade is moved along described at least local curved cutting path.
11. according to the cutting machine described in 10, further comprises a lid, and described lid is attached to an end of described axle, for described actuator provides an actuator surface.
12. according to the cutting machine described in 1-11, and wherein said actuator is spring biasing.
In embodiment, disclosed embodiment comprises cutting machine, associated blade, assembly and the method for cutting optical fibre.In this regard, provide in one embodiment a kind of cutting machine for cutting optical fibre.Cutting machine has a body.Cutting machine also comprises an actuator being arranged in body, and this actuator is configured to activate along actuation path, and blade is moved with the cutting path of at least local arc.Cutting machine also comprises a fiber path, this fiber path is arranged in body and is crossing with the cutting path of described at least local arc, activated with convenient actuator, while making blade move and contact with optical fiber end with at least local curved cutting path, cutting is arranged in the end of the optical fiber in fiber path.
A kind of method of cutting optical fibre is provided in another embodiment.The method comprises the end of placing optical fiber along the fiber path being arranged in the body of cutting machine.The method also comprises that actuating is arranged in the actuator in body, so that blade moves along overall curved cutting path, this overall curved cutting path is crossing with the fiber path of first direction, and blade is fiercelyed attack on the end of optical fiber.
In another embodiment, provide a kind of cutting step platform for fiber cutter (cleaving stage platform).Fiber cutter comprises a support platform.This support platform comprises the first member of arranging along first axle.Support platform also comprises along the second component of second axis arranged relevant to first axle.Support platform also comprises an opening being arranged between the first member and second component.Support platform also comprises a bridge member, and this bridge member is connected to the first end of the first member and the first end of second component.Fiber cutter also comprises a clamping platform, this clamping platform along the 3rd axis arranged in opening.Fiber cutter also comprises a hinges, described hinges is arranged between first end and bridge member of clamping platform, make in the time that clamping force is applied to clamping platform, clamping platform is can elastic deflection and movably with respect to bridge member in opening.
In another embodiment, provide one for clamping the optical fiber clamp framework of optical fiber of cutting machine.Optical fiber clamp framework comprises an actuator.Optical fiber clamp framework also comprises a movably optical fiber clamp, and in the time activateding, this fibre clip clamp is tightly placed on the optical fiber in the fiber path in cutting machine.Optical fiber clamp also comprises a clamp extended element, and this clamp extended element is arranged in actuator, is arranged to removable described optical fiber clamp and applies clamping force, to clamp the end of the optical fiber in the fiber path being placed in cutting machine.
In detailed description subsequently, will additional feature and advantage be described, to a certain extent, these additional feature and advantage be for the person of ordinary skill of the art from instructions, can understand or will recognize by implementing embodiment described here.
Need to be appreciated that, aforesaid overview and detailed description subsequently have all proposed embodiment, and attempt to provide a summary or framework to understand essence and the feature of present disclosure.For further understanding, provide accompanying drawing, and accompanying drawing is merged in and has formed the part of this instructions.Brief description of the drawings multiple embodiments, and play the principle of disclosed the present invention design and the effect of operation explained together with instructions.
Brief description of the drawings
Fig. 1 is a kind of example embedded carrier blade (imbedded carrier blade) and a kind of exemplary method that produces the cutting optical fibre in crack by use embedded carrier blade in a part for optical fiber that adopts vertial knife edge cross section;
Fig. 2 is that the optical fiber of Fig. 1 is at an example end face with after example embedded carrier blade cuts;
Fig. 3 is one and adopts the example embedded carrier blade in curved blade cross section and one by using embedded carrier blade to produce the exemplary method of the cutting optical fibre in crack in a part for optical fiber;
Fig. 4 A is a photographs with the end face of the cut optical fiber of embedded carrier blade cuts, so that the example surface quality of end face to be described;
Fig. 4 B be one that on the focal plane of imager, capture, from the image of the interference pattern of the interference end face of optical fiber cut in Fig. 4 A, that interferometer generates, so that the example surface quality of end face to be described.
Fig. 4 C is the surface topography map of the end face of optical fiber cut in Fig. 4 A, so that the example surface quality of end face to be described;
Fig. 4 D is the stereographic map of the end face of optical fiber cut in Fig. 4 A, so that the example surface quality of end face to be described;
Fig. 5 A is the right perspective view of an example cutting machine, demonstrate the intraware of cutting machine, described intraware activates a supporting blade in the cutting path of an at least part of arc---described supporting blade includes but not limited to an embedded carrier blade---to cut the optical fiber in the fiber path that is placed on cutting machine;
Fig. 5 B is the left side stereographic map of the example cutting machine in Fig. 5 A;
Fig. 5 C is an exploded view of cutting machine in Fig. 5 A;
Fig. 5 D is the front view of the example cutting machine in Fig. 5 A, demonstrates the intraware of cutting machine;
Fig. 6 is the rear perspective view of the cutting machine body in Fig. 5 A-5D;
Fig. 7 A-7C is respectively the right perspective view, front view and the vertical view that are attached to the cutting step platform of left side end cap, and this cutting step platform is arranged in the cutting machine body the inside of the cutting machine in Fig. 5 A-5D, for supporting the end of optical fiber to be cut;
Fig. 8 A and 8B are respectively right parallax stereogram and the left parallax stereograms that is arranged in the right side end cap of the cutting machine internal body of the cutting machine in Fig. 5 A-5D, and end cap supporting in described right side is cut step platform and provided a fiber receptacle for optical fiber end is received and is arranged in a fiber path that cuts step platform with to be cut;
Fig. 9 A is the left side stereographic map of the cutting machine in Fig. 5 A-5D, and an end of optical fiber is placed in cutting machine body and is placed in the fiber path of cutting machine with to be cut;
Fig. 9 B is the side close up view of the cutting machine in Fig. 5 A-5D, actuator activated so that the blade of blade moves through along an at least part of curved cutting path cutting channel that is positioned at cutting machine, and contacts with the end that is contained in the optical fiber in the fiber path of cutting machine;
Figure 10 is the right parallax stereogram of the fiber clamp system of the cutting machine in Fig. 5 A-5D;
Figure 11 A is the right side view of the cutting machine in Fig. 5 A-5D, has wherein removed the end cap in left side, to show the position of the blade in the time that actuator does not activated;
Figure 11 B is the right side view of the cutting machine in Fig. 5 A-5D, and wherein actuator is by initial activation, start, along curved path movement blade at least partly, to make it pass a cutting channel, and with to be arranged in fiber path in cutting machine crossing;
Figure 11 C is the right side view of the cutting machine in Fig. 5 A-5D, wherein the actuated position of actuator from Figure 11 B further activated, and on this actuated position, the blade of blade is just through cutting channel, and fiber path in cutting machine is crossing with being arranged in, to delineate the end of optical fiber;
Figure 11 D is the right side view of the cutting machine in Fig. 5 A-5D, and wherein actuator is further activated the actuated position of crossing in Figure 11 C, so that blade is along at least part of curved path movement, through the cutting position of cutting machine in Figure 11 C;
Figure 11 E is the right side view of the cutting machine in Fig. 5 A-5D, and wherein actuator is activated completely, so that blade, along at least part of curved path movement, passes the cutting channel that is arranged in cutting machine with complete movable joint connection status;
Figure 12 A and 12B are respectively right perspective view and the front views of an actuator in the cutting machine that is used in Fig. 5 A-5D;
Figure 13 is the right perspective view of the cutting machine tool arm in Fig. 5 A-5D;
Figure 14 A is the right perspective view of the example cutting machine alternative for of supporting blade, and this cutting machine comprises an embedded carrier blade, with cutting optical fibre, does not support optical fiber to be cut in cutting machine;
Figure 14 B is the right side view of the cutting machine of Figure 14 A, and this cutting machine has supported the optical fiber for the treatment of by the blade cuts with wherein supporting, and comprises an embedded carrier blade.
Embodiment
To discuss now embodiment in detail, the embodiment of described embodiment illustrates in the accompanying drawings, but has only shown some embodiments in the accompanying drawings, not all embodiment.In fact, the present invention can, with multiple multi-form enforcement, should not be construed to and be limited in herein; But these embodiments are provided so that present disclosure meets the legal requiremnt of application.Whenever possible, will use similar reference number to censure similar assembly or part.
In embodiment, disclosed embodiment comprises for the embedded carrier blade of cutting optical fibre and relevant cutting machine and method.In one embodiment, blade comprises a carrier element, and this carrier element defines blade.At least one cutting material is embedded at least a portion of carrier element.In addition, at least one cutting material is exposed at least a portion of blade, in the part with the optical fiber that touches at blade, produces a crack.This part of optical fiber can disconnect near the crack producing, to produce an end face for making fibre-optic terminus.On optical fiber, make an end face by cutting optical fibre, to make fibre-optic terminus, comprise and make fibre-optic terminus on the spot.Embedded carrier blade can be arranged in cutting machine, with cutting optical fibre.The method that uses embedded carrier blade cuts optical fiber is also provided.
Embedded carrier blade can be made up of the carrier with hard material, to produce crack in optical fiber.As a non-limiting example, hard material can be a kind of hard mineral that are embedded in carrier, to provide the carrier that contains mineral as blade.As a non-limiting example, because the carrier in blade can wear and tear because of Reusability, the mineral that embed in carrier can continue to be exposed on blade, produce crack thereby keep blade to can be used in a part for optical fiber.So, sharpen by avoiding, can reduce the expense of blade.Embedded carrier blade also can adopt the carrier material being dirt cheap, and is disposable to allow carrier blade.
In this respect, Fig. 1 be the carrier blade of an example and with carrier blade by form or produce a crack and come the method for cutting optical fibre in a part for optical fiber with abrasive media.As shown in Fig. 1, provide an optical fiber 10.Optical fiber 10 can be the optical fiber of any type, includes but not limited to single-mode fiber and multimode optical fiber.As shown in Figure 2, the diameter D of optical fiber 10 1it can be arbitrary size.As shown in Figure 2, optical fiber 10 can comprise a core being wrapped up by covering 14 12, so that the total internal reflection (TIR) of the light 16 of propagating downwards along core 12 to be provided.Covering 14 can be set to glass or other materials, includes but not limited to polymer, for example, as PCS plastic-clad silica.External coating (not shown) can be arranged in around covering 14.Optical fiber 10 can be set to a part for the fiber optic cables of ultimate fibre or multifilament.
In the time of splicing or connection optical fiber 10, an end face 18 is positioned on an end 20 of optical fiber 10, as shown in Figure 2.End face 18 aligns with the end face of another root optical fiber, so that light 16 is transferred to optical fiber splicing or that connect from optical fiber 10.When splicing or connect when an optical fiber, provide end face 18 smooth as a minute surface most important for obtaining efficient light transmission.Core 12 and/or the covering 14 of avoiding destroying optical fiber 10 are also important.On this point, cutting optical fibre 10 is made end face 18.Produce a crack by the end 20 at optical fiber 10 and make end face 18.Conventionally the end 20 that uses a blade delineation optical fiber, produces a crack with the end 20 at optical fiber 10.Then,, in the time that the end 20 of optical fiber 10 disconnects near the crack producing for cutting optical fibre 10, just formed an end face 18.
In the present embodiment, as shown in Figure 1, adopt a kind of embedded carrier blade 22(also to refer to " blade 22 " at this), to produce the crack of the end 20 that is positioned at optical fiber 10.Blade 22 can be included in cutting machine, and with cutting optical fibre, this will discuss in embodiment described below.In the present embodiment and as reasoned by the following examples, one or more cutting materials are embedded in carrier material, to make blade 22.In an embodiment of this embedded carrier blade, the blade 22 in Fig. 1 is made up of a carrier element 24 that limits blade 26.In the present embodiment, blade 26 comprises a substantially straight blade cross section 27.Manufacturing variation or tolerance can prevent straight blade cross section 27 completely.But except substantially straight blade cross section, the blade cross section 27 of other types is also possible, include but not limited to a substantially curved blade cross section, as below about the embedded carrier blade of the example in Fig. 3 by reasoned.
Continue with reference to Fig. 1, at least one cutting material 28(is also referred to as " cutting material 28 ") be embedded at least a portion of carrier element 24.For example, in the molding process of blade 22, cutting material 28 can be molded among carrier 24 at least partly.Cutting material 28 is made up of one or more materials, all like one or more hard materials, and these materials are enough hard and can in the glass of optical fiber 10, produce a crack.In the present embodiment, cutting material 28 by additional exposure at least a portion of the blade 26 of blade 22.Therefore,, in the time that the blade 26 of blade 22 touches the end 20 of optical fiber 10, blade 26 can produce a crack in the end 20 of the optical fiber 10 contacting with the blade 26 for cutting optical fibre 10.
Cutting material 28 can be selected from one or more can produce the material in crack in the glass of optical fiber.For example, a kind of material larger than glass optical fiber hardness of cutting material 28.For example, according to Mohs value scale, the hardness of cutting material 28 can be at least 7 grades of Mohs value.Can be solely or combination with one another or with the embodiment of other materials combination as the material of cutting material 28, include but not limited to al-based compound, as aluminium oxide, adamas, titanium, ti-based compound, titanium dioxide, carbonide, silit, tungsten carbide, titanium carbide, carbonide derivant and their combination.
Along with the blade 22 in Fig. 1 is used for cutting optical fibre repeatedly, carrier 24 may wear and tear.But because cutting material 28 is disposed at least a portion of carrier element 24, along with blade 26 is because use is worn and torn, cutting material 28 can continue to be exposed to blade 26 places.Therefore, the blade 26 of blade 22 can not need to sharpen and/or resharpen, thereby has reduced the maintenance cost of blade 22.If desired, blade 22 can keep the ability of Reusability, and is not dropped.Further say, by arrange cutting material 28 at least a portion of carrier element 24, make along with blade 26 weares and teares, cutting material 28 can continue to expose, can select to have a kind of material that can be sharpened ability for making carrier 24, although this is optional.A kind of needn't have can be sharpened the material of ability may can be by the material of resharpen ability than having---such as metal---more cheap.
Continue with reference to Fig. 1, blade 22 is controlled for impelling a part of cutting material 28 being embedded in carrier element 24 to contact with the end 20 of optical fiber 10, produces a crack 30 with the end 20 at optical fiber 10.Blade 22 can be controlled by staff or cutting machine, and the embodiment of cutting machine will illustrate in following discloses content.The cutting material 28 being arranged in blade 22 contacts with the end 20 of optical fiber 10, to produce the end 20 of crack with cutting optical fibre 10 in the end 20 of optical fiber 10.In the embodiment of Fig. 1, optical fiber 10 is in position, simultaneously according to direction D 2to the blade 26 of end 20 moving blades 22 of optical fiber 10, to impel cutting material 28 to contact with the end 20 of optical fiber 10.Or by position blade 22, the end 20 of moving fiber 10, makes it contact with blade 26.No matter which kind of situation, in the end 20 of optical fiber 10 be exposed between the cutting material 28 on blade 26 and all produce relative motion to produce crack 30.As an embodiment, blade 22 can controlledly be manufactured the action of fiercelying attack, and so that blade 26 is fiercelyed attack on the end 20 of optical fiber 10, produces a crack 30 with the end 20 at optical fiber 10.Crack 30 is split the end 20 of optical fiber 10.Then, can, by disconnecting optical fiber 10 at 30 places, crack, produce end face 18 in the end 20 of optical fiber 10.In this way, blade 22 is for the end 20 of cutting optical fibre 10.
Remove any dressing (not shown) of 20 outsides, end that are arranged in optical fiber 10, then make the blade 26 of blade 22 touch the end 20 of optical fiber 10.Make like this cutting material 28 can directly contact the glass (, the covering 14 in Figure 12 and/or core 12) of the end 20 of optical fiber 10.In this regard, can remove any dressing of arranging around core 12 and/or covering 14, then make the blade 26 of blade 22 touch optical fiber 10.
Blade 22 can have different configurations.For example, carrier element 24 can be called " carrier material 32 " by one or more carrier materials 32(of desirable any type later) form.For example, carrier material 32 can comprise one or more metal materials or one or more nonmetallic materials, or the combination of these materials.Carrier material 32 can be also homogenous material or compound substance.Can based on desirable material behavior with become the original carrier material 32 of selecting.As an embodiment, that may wish is to provide the carrier material 32 that is formed or be made up of the material of multiple polymers or Polymers by the material of a kind of polymkeric substance or Polymers.Polymeric material can be manufactured by molding process, and cutting material 28 can be embedded in polymkeric substance at non-solid state shape thus.As an embodiment, cutting material 28 can be injected into or be mixed in polymer carrier materials 32.Thereafter, as an embodiment, the polymer carrier materials 32 and the cutting material 28 molded acquisition in mould that mix can be used in the blade cross section 27 of blade 26, and to manufacture the carrier element 24 with carrier material 28, carrier material 28 is embedded at least a portion of carrier element 24.In the present embodiment, mould defines the blade cross section 27 of blade 26, and cutting material 28 is exposed at least a portion in blade cross section 27.
In the embodiment of the blade 22 in Fig. 1, blade cross section 27 is defined as substantially straight limit by mould.Or, as discussed and will discussing, can provide a mould above below in Fig. 3, thereby for the blade of embedded carrier blade limits the blade cross section of another kind of geometric configuration, as a substantially curved blade cross section.As shown in Figure 1, blade cross section 27 can be limited between two surfaces 34,36 of carrier element 24, and there is respectively longitudinal axis A on each surface 1, A 2, both intersect each other.Two surfaces 34,36 can be arranged, so that longitudinal axis A 1, A 2with random angle Θ 1intersect each other.For example, the angle Θ in Fig. 1 1can be at approximately 55 degree (55 °) between approximately 65 degree (65 °).
If carrier material 32 is made up of polymkeric substance, can adopt the polymkeric substance of any type.Non-limiting example comprises nylon, polyphenylene sulfide (polyfenlene sufide, PPS), tygon, polypropylene, polypropylene/olefin (polypropylene olefin, TPO), thermoplastic polyester, TPV (thermoplastic vulcanizate, TPV), Polyvinylchloride (polyvinyl chloride, PVC), haloflex (chlorinated polyethylene), styrene block copolymer (styrene block copolymer), ethylene methyl acrylate (ethylene methyl acrylate, EMA), ethylene butyl acrylate (ethylene butyl acrylate, EBA), polyurethane, silicones, isoprene, chlorbutadiene, neoprene, carbamide, polyester, or their combination in any.If desired, carrier material 32 also can be made up of at least one stupalith.
Can select carrier material 32, make when making after blade 22, carrier element 24 is rigidity.But embodiment is in this manual not limited to a kind of rigid carrier material.Provide a kind of rigid carrier main body 24 can extend the life-span of blade 22, and ensure that the blade cross section 27 of blade 26 is enough firm, to delineate optical fiber.If carrier element 24 is too flexible, may not accurately make the crack 30 in optical fiber 10, what crack may be than needs is large.For example, can select the carrier material 32 for the manufacture of carrier element 24, so that carrier element 24 has the rigidity of at least three ten (30) Shores.As another embodiment, can select the carrier material 32 for the manufacture of carrier element 24, so that carrier element 24 has the rigidity of at least 1 gigapascal (GPa) bending modulus.
And cutting material 28 can mix with the carrier material 32 of carrier element 24 as follows, that is, in the time manufacturing blade 22, substantially equably cutting material 28 is scattered in carrier element 24.Or cutting material 28 can mix with the carrier material 32 of carrier element 24 as follows, that is, in the time manufacturing blade 22, substantially anisotropically cutting material 28 is scattered in carrier element 24.Can in carrier material 32, add cutting material 28, so that the LOADING RATES of the cutting material 28 in carrier element 24 is the LOADING RATES of wishing arbitrarily.As a nonrestrictive embodiment, cutting material 28 can mixed or otherwise be arranged in the carrier material 32 of carrier element 24, and for example, weighing scale is pressed the LOADING RATES between about 85 (85%) 55 (55%) percent to percent.
And, in order to obtain the cutting characteristic of required blade 22, in carrier material 32, mix or the grain size of cutting material 28 of otherwise arranging can be the grain size of any required enough scribing optical fiber 10.As a unrestriced embodiment, the grain size of cutting material 28 can about five microns (5 μ m) to about 45 microns (45 μ m) between.In one embodiment, carrier material 32 comprises nylon 6-6, wherein cutting material 28 comprises aluminium oxide, and be arranged in carrier element 24 to the about LOADING RATES between 85% with about 55%, the grain size of cutting material approximately ten microns (10 μ m) to approximately 20 microns (20 μ m) between.
Fig. 3 is the embedded carrier blade 22 ' (this blade adopts curved blade cross section 41) of an example, and a kind of exemplary method for cutting optical fibre, the method is carried out cutting optical fibre by generating crack with embedded carrier blade in a part for optical fiber.Shown in Fig. 3, the assembly common with assembly in Fig. 1 provide by the element numeral with identical in Fig. 3, and by no longer repeat specification.In blade 22 ' in Fig. 3, the blade cross section 41 of blade 26 is curved blade cross sections.And carrier element 24 comprises a kind of core being placed in one 42, stronger supporting and rigidity is provided to blade 22 '.For example, core 42 can comprise metal material.In the moulding or manufacture process of blade 22 ', the carrier material 32 that is embedded with the carrier element 24 of cutting material 28 can be placed on around core 42.Or, in core 42 positions shown in Fig. 3, in carrier element 24, can arrange or stay an inner chamber, to reduce the consumption that is placed on the carrier material 32 in carrier element 24, to save material cost.
With reference to Fig. 1 and Fig. 3, in cutting process, after the blade 26 of blade 22 contacts with the end 20 of optical fiber 10, can give end 20 stress applications of optical fiber 10, with the end 20 of cutting optical fibre 10.Give end 20 stress applications of optical fiber 10, can expand the crack 30 producing by the blade 26 of blade 22,22 ' in the end 20 of optical fiber 10, with the end 20 of cutting optical fibre 10.Or, make blade 22 in placement, before the blade 26 in 22 ' contacts with the end 20 of optical fiber 10, can make the end 20 of optical fiber 10 be subject to stress, with the end 20 of cutting optical fibre 10.First make the end 20 of optical fiber 10 be subject to stress, then use blade 22,22 ' produces crack 30 in optical fiber 10, also can expand the crack 30 of generation, with the end 20 of cutting optical fibre 10.The example that makes the end 20 of optical fiber 10 be subject to stress includes, but are not limited to apply tension force in the end 20 of optical fiber 10, the end 20 of rotation or twisted fiber 10, or the end 20 of curved fiber 10.
For example,, making after the blade 26 of blade 22 and the end 20 of optical fiber 10 contact the end with scribing optical fiber 10, to make the end 20 of the optical fiber 10 in Fig. 1 be subject to tension force.As shown in Figure 1, the part 38A of optical fiber 10 and 38B are positioned at hope and produce therein each side of the end 20 of the optical fiber 10 in crack 30, and described part 38A and 38B are clamped by clamp 40A and 40B.Part 38A and the 38B of the end 20 of clamp 40A and 40B(optical fiber 10 are fixed in described clamp) can be along D 3and D 4direction by mutually away from pulling open, so that the end 20 of optical fiber 10 is subject to tension force.Tension force disconnects 30 vicinity, 20 crack, end that cause optical fiber 10, to produce end face 18.If before the blade 26 by blade 22 produces crack 30, the end 20 of optical fiber 10 is not subject to stress, and stress application on the end 20 of optical fiber 10 subsequently, to disconnect around crack 30, produces end face 18.
Preferably, before producing crack 30 with blade 22, except the end 20 of optical fiber 10 is subject to tension force or other stress, also can make end 20 bendings of optical fiber 10.Make end 20 bending energies of optical fiber 10 contribute to vee crack 30, ruptured in the end 20 of optical fiber 10, to produce end face 18.Make end 20 bendings of optical fiber 10, can produce tension force at the outside surface of the sweep of the end 20 of optical fiber 10, this contributes to crack 30 to expand, and is ruptured in the end 20 of optical fiber 10.
As shown in the embodiment in Fig. 2, after the 30 places fracture of 20 crack, the end of optical fiber 10, just form end face 18.End face 18 shown in Fig. 2 is positioned at the cross sectional planes P of the end 20 of optical fiber 10 1, this cross sectional planes P 1longitudinal axis A with optical fiber 10 3orthogonal or substantially orthogonal.But, if needed, blade 22,22 ' also can be used for providing an end face splitting at a certain angle at the end face 20 of optical fiber 10.For example, producing in the process in crack 30 with blade 22,22 ', the end 20 of optical fiber 10 can be rotated, to affect the angle of the end face 18 of making in the end 20 of optical fiber 10.In the time producing crack 30 with blade 22,22 ', the bending summit that is arranged in the end 20 of optical fiber 10 also can affect the angle of the end face 18 of making in the end 20 of optical fiber 10.The method that uses cutting machine blade to make angled end face can be used for using blade 22, and 22 ' makes angled end face.
Fig. 4 A-4D provides the image of end face of the optical fiber that uses embedded carrier blade cuts, and (described blade is above-mentioned blade 22 for example, 22 ', this blade is arranged in the carrier element of nylon 6-6 polymkeric substance to be similar to 80 (80%) percent LOADING RATES with the cutting material of aluminium oxide), so that the quality by the available end face surface of carrier blade of this example arrangement to be described.In this regard, Fig. 4 A is a photographs that uses the end face 44 of the optical fiber 46 of embedded carrier blade cuts, so that the surperficial example quality of end face 44 to be described.Fig. 4 B be one that on the focal plane of imager, capture, from the image of the interference pattern of the interference end face 44 of optical fiber cut in Fig. 4 A 46, that interferometer generates, so that the surface quality of end face 44 to be described.Fig. 4 C is the surface topography map of the end face 44 of cut optical fiber 46 in Fig. 4 A, so that the surface quality of end face 44 to be described.Fig. 4 D is the stereographic map of the end face 44 of cut optical fiber 46 in Fig. 4 A, so that the surface quality of end face 44 to be described.
Continue with reference to Fig. 4 A-4D, in the present embodiment, the result of the corner cut of the end face 44 once obtaining after cutting is approximately 0.685 degree.In an example test, use embedded dress body blade to carry out a large amount of cutting tests.This example test provides the cutting angle of maximum 1.500 degree, and the cutting angle of minimum 0.385 degree, average 0.788 degree of cutting angle, and standard deviation is 0.366 degree.Be only contrast, use and before test in example test of basic identical condition, the thing blade of machining also provides similar result.These results produce the corner cut of maximum 1.458 degree and the corner cut of minimum 0.592 degree, average 0.804 degree of corner cut, and standard deviation is 0.254 degree.
In Fig. 5 A-14B, the remainder of disclosure comprises example cutting machine and can use embedded carrier blade to produce the correlation technique of crack for cutting optical fibre at optical fiber end, described embedded carrier blade comprises blade 22,22 ' and the example test blades of above-mentioned explanation.Can in these cutting machines, associated component and method, adopt above-mentioned discussion and about method and the principle of Fig. 1-3.Cutting machine about Fig. 5-14B described below, associated component and method are not restricted to the cutting blade that uses embedded carrier blade, and described embedded carrier blade comprises the embedded carrier blade about Fig. 1-4 explanation.
Fig. 5 A-13 provides the first example cutting machine, and this cutting function is for cutting optical fibre.In this regard, Fig. 5 A is the right parallax stereogram of an example cutting machine 50, and has shown the intraware of cutting machine 50.Fig. 5 B is the left parallax stereogram of the example cutting machine 50 in Fig. 5 A, and shows the intraware of cutting machine 50.Fig. 5 C is the exploded view of cutting machine 50 in Fig. 5 A.Fig. 5 D is the front view of cutting machine 50 in Fig. 5 A, and shows the intraware of cutting machine 50.Below will be described in a more detailed discussion about Fig. 5 A-13, cutting machine 50 is designed to allow technician the end of optical fiber to be cut is placed in cutting machine 50, and the end of cutting optical fibre, so that an end face to be provided in the end of optical fiber.As being below described in a more detailed discussion, cutting machine 50 is arranged to along an at least part of curved cutting path and activates supported blade 52(Fig. 5 B-5D) cut the optical fiber in the fiber path that is positioned over cutting machine 50, described blade includes, but are not limited to above illustrated as an example embedded carrier blade.Be arranged in fiber path in cutting machine 50 crossing with described curved cutting path at least partly.Like this, cutting machine 50 is arranged to arc and the blade 54 of fiercelying attack in motion guiding blade 52, to contact the end of optical fiber, thereby in optical fiber, produces crack, for cutting optical fibre.
Cutting machine 50 in the present embodiment comprises a body 56.In Fig. 6, also show the rear perspective view of body 56.Body 56 can be made with any required material.In the present embodiment, body 56 is molded as by the material of Polymers.Body 56 is arranged to a large amount of assemblies of supporting, and these assemblies are arranged in cutting machine 50, and below discussing, provides the end of these assemblies for cutting optical fibre.As shown in Fig. 5 A and 5D, cutting machine 50 comprises an actuator 58, and this actuator arrangement is at body 56(Fig. 6) in actuator openings 59 in, and be configured to along actuation path A 4activated.In the time of actuated actuators 58, the blade 52 that actuator 58 supports moves along an at least part of curved cutting path, to contact the fiber path P that is placed on body 56 2in the end of optical fiber, the cutting channel 61 shown in Fig. 5 C and 5D is traversed in described end, and will below be described in more detail.More information and details about actuator 58 will be described hereinafter.
Continue with reference to Fig. 5 A-5D the fiber path P in body 56 2arrange along cutting step platform 62.Cutting step platform 62 provides one for supporting the platform of end of optical fiber, with when when actuated actuators 58, provides the end of optical fiber to be cut, makes on blade 52 is fiercelyed attack at optical fiber in the time that cutting channel 61 is traversed in the end of optical fiber end.In the present embodiment, cutting step platform 62 is attached or is set to the integration section of left side end cap 64, and also in right perspective view, front view and the vertical view of the cutting step platform 62 in Fig. 7 A-7C, is illustrated respectively.As shown in Fig. 5 B, 5C and 6, the left side 66 of body 56 comprises a left side opening 68; And as shown in Fig. 5 A-5D and 7A-7C, left side opening 68 is arranged to and receives left side end cap 64.
As shown in Fig. 5 B and 5D, when at the interior layout of the left side of body 56 opening 68 left side end cap 64, first the bridge member 70 of cutting step platform 62 passes left side opening 68, and cuts step platform 62 and continued to insert, until left side end cap 64 is fastened to the left side 66 of body 56.As shown in Figure 5 B, the left side 66 of body 56 comprises multiple grooves 72, and described groove is arranged to the projection 74 of receiving in the end cap 64 of left side, as shown in Fig. 5 A-5D and 7A-7C.Projection 74 is positioned at the groove 72 of main body 56 with frictional fit, to support left side end cap 64, thereby cutting step platform 62 is bearing in body 56.Groove 72 also plays in the time that left side end cap 64 inserts the left side opening 68 of body 56, makes the effect of left side end cap 64 suitable correct alignment, while being inserted into and being arranged in body 56, makes to cut step platform 62 and correctly aligns with box lunch cutting step platform 62.Left side end cap 64 can be made with the material of any hope, and makes with the material of Polymers in the present embodiment.
In order to support the bridge member 70 of cutting step platform 62, in right side end cap 78, be furnished with a groove 76, as shown in the right perspective view and left side stereographic map of the right side end cap 78 in Fig. 5 A and 5D and Fig. 8 A and 8B respectively.The groove 76 of arranging in right side end cap 78 is arranged to the bridge member 70 of receiving and support cutting step platform 62, and to stop cutting step platform 62 to move in body 56, this movement can cause that left side end cap 64 rotates as pivot.Cutting step platform 62 should be fixed in body 56, so that cutting step platform 62 does not have relative motion everywhere at body 56, to keep fiber path P 2and basic fixed relationship between cutting channel 61 and the curved cutting path of blade 52, as shown in Figure 5 D.As shown in Fig. 5 C and 6, in order to support the right side end cap 78 of the body 56 in cutting machine 50, the right side 80 of body 56 comprises a right openings 82, and described right openings is arranged to frictional fit and receives right side end cap 78.Right side end cap 78 can be made up of the material of any hope, and right side end cap in the present embodiment is made up of the material of Polymers.
Now with reference to Fig. 7 A-7C, the more details about cutting step platform 62 are discussed, this cutting step platform is for supporting the end of the optical fiber to be cut in the body 56 of cutting machine 50.As example explanation herein, the cutting step platform 62 in the present embodiment comprises a support platform 84.This support platform 84 comprises along first axle A 5the first member 86 of arranging.In the present embodiment, the first member 86 be one along first axle A 5the slender member of arranging, in the present embodiment, first axle is longitudinal axis.Support platform 84 also comprises along the second axis A 6the second component 88 of arranging.In the present embodiment, second component 88 be one along the second axis A 6the slender member of arranging, in the present embodiment, the second axis is also longitudinal axis.As previously discussed about Fig. 5 A-5D and Fig. 6, the end 89 and 91 of the first member 86 and second component 88 respectively attached or be integrated into left side end cap 64, be fixed in the left side opening 68 of body 52 during with convenient left-hand end lid 64, support platform 84 is subject to the supporting of body 56.Between the first member 86 and second component 88, there is an opening 90.Bridge member 70 is connected to respectively the first end 92 of the first member 86 and the first end 94 of second component 88.Bridge member 70 can be provided as and the first member 86 and the discrete part of second component 88, maybe can be provided as the entirety of the first member 86 and second component 88.
Continue with reference to Fig. 7 A-7C, a clamping platform 96 is provided.Clamping platform 96 is along the 3rd axis A 7be arranged in opening 90.Hinges 98 is arranged between the first end 100 of bridge member 70 and clamping platform 96, and while clamping platform 96 being applied to clamping force with box lunch, clamping platform 96 is can elastic deflection and movably at opening 90 with respect to bridge member 70.As below by discussed in detail, in cutting channel 61, encounter behind the end of optical fiber at blade 54, actuator 58(Fig. 5 A-5D) actuating will cause clamping platform 96 to apply clamping force, to clamp the end that is positioned over the optical fiber in fiber path P2 being arranged in clamping platform 96, described fiber path is arranged in clamping platform 96.In the present embodiment, cutting channel 61 is set to the material vacancy of clamping platform 96, to form hinges 98.As below by discussed in detail, actuator 58 is arranged to supporting blade 52 and a clamping component, when activateding in the actuation process of actuator 58 at actuator 58 when cutting with the end of grip optical fibers, described blade and clamping component all move.
Continue with reference to Fig. 7 A-7C, for lateral support is placed on the end of the optical fiber to be cut in fiber path P2, in clamping platform 96, arrange optional optical fiber block 102A and 102B.Optical fiber block 102A and 102B are arranged and are positioned at fiber path P 2near, to be placed on fiber path P 2in the end of optical fiber suspend near optical fiber block 102A and 102B.Similarly, also in bridge member 70, arrange an optional optical fiber block 104, and due to identical, optical fiber block is also positioned at fiber path P 2near, and align with optical fiber block 102A and 102B.Therefore,, after actuating, in actuator 58 dispose procedures, in the time that the blade 54 of blade 52 returns by cutting chamber 61 in the backhaul of blade 54, as will be below discussed in detail, optical fiber block 102A, 102B and 104 stop and are positioned over fiber path P 2in optical fiber end transverse shifting cross optical fiber block 102A, 102B and 104.
Fig. 9 A and Fig. 9 B show and are inserted and placed on fiber path P 2in the more details of end of optical fiber, this fiber path is adjacent to the optical fiber block 102A, the 102B and 104 that are arranged in for the cutting step platform 62 of the cutting machine 50 of cutting optical fibre end.Fig. 9 A is the left side stereographic map of the cutting machine 50 in Fig. 5 A-5D, and wherein the end 114 of an optical fiber 116 is placed in body 56 and is placed on fiber path P 2in with to be cut.Fig. 9 B is the side close up view of the cutting machine 50 in Fig. 5 A-5D, and wherein actuator 58 activated with the blade 54 along at least local curved cutting path moving blade 52, makes it pass the end 114 of cutting channel 61 and contact optical fiber 116.
With reference to Fig. 7 A-7C and 9B, a hinge receiver 106 is arranged in clamping platform 96.As will be below discussed in detail, hinge receiver 106 comprises pin-and-hole 108A and 108B(Fig. 7 A and Fig. 7 B), pin-and-hole 108A and 108B are arranged to the pin 109 of the optical fiber clamp 110 of receiving optical fiber clamp framework 112, optical fiber clamp framework is arranged in actuator 58 and can be activated by actuator 58, as shown in Fig. 5 A-5D and Figure 10.Optical fiber clamp 110 is arranged to and will be placed on fiber path P 2in the end of optical fiber be clamped to clamping platform 96.The effect of stress that clamping force produces is (this crack is (Fig. 5 A-5D) being produced at optical fiber end by the blade 52 of blade 54) in crack place, to make optical fiber end fracture, and makes an end face in the end of optical fiber.
In this regard, as shown in Fig. 8 A, 8B and 9, right side end cap 78 comprises an optical fiber receiver 118.Optical fiber receiver 118 is openings, and this opening is arranged to the end 114 of receiving optical fiber 116, and by end 114 along the fiber path P that is arranged in cutting step platform 62 2alignment.Optical fiber receiver 118 is connected with the optical fiber duct 120 of arranging through right side end cap 78, so that the end 114 of optical fiber 116 can be easily across and in optical fiber receiver 118.In the end 114 of peeling off optical fiber 116, with after exposing glass, the end 114 of optical fiber 116 is placed in optical fiber receiver 118 and is inserted in fiber path P 2in, and can be drawn forward, until end 114 near with optical fiber block 102A, 102B and 104 adjacent left side end caps 64, as shown in Figure 9 B.
Now will the arcuate movement of the blade 52 of being controlled by actuator 58 be described.Figure 11 A is the right side view of the cutting machine 50 in Fig. 5 A-5D, and wherein right side end cap 78 is removed to show blade 52 in the time that actuator 58 does not activated and the position of blade 54.As shown in Figure 11 A, in the time that actuator 58 activated, radius R 1be limited to the arcuate movement M of the blade 54 in cutting machine 50 1the radius of curved path.As shown in Figure 11 B, when actuator 58 is started with arcuate movement M 1when actuating, actuator 58 makes blade 52 move along curved path by starting, finally to make blade 54 through cutting channel 61, and with the fiber path P being arranged in body 56 2intersect, with end 114(Fig. 9 B of scribing optical fiber 116).As shown in Figure 11 C and Fig. 9 B, along with actuator 58 further activates from the actuated position of Figure 11 B, the blade 54 of blade 52 continues with movement in a curve M1 through cutting channel 61, and with the fiber path P being arranged in body 56 2intersect, with the end 114 of scribing optical fiber 116.As shown in Figure 9 B, the blade 54 of blade 52 is fiercelyed attack through cutting channel 61, to contact and to delineate the end 116 of optical fiber 116.
After this, as shown in Figure 11 D, along with actuator 58 further activates, actuator 58 makes optical fiber clamp 110 apply clamping force, so that the end of optical fiber 116 114 is clamped and props up clamping platform 96, thus the end 114 of the disconnection optical fiber 116 that the blade 54 of the blade 52 of cut passage 61 tops has been delineated.As shown in Figure 11 D, along with actuator 58 further activates the actuated position exceeding in Figure 11 C, the blade 54 of blade 52 continues arcuate movement M1, makes blade 52 move and cross cutting channel 61.
As shown in Figure 11 E, in the time that actuator 58 is fully activated, the blade 54 of blade 52 continues movement in a curve M 1, make blade 54 move to abundant movable joint turned position.Along with the position of the actuator 58 of actuator 58 from Figure 11 E discharges, the arcuate movement M shown in blade 54 flyback Figure 11 D and Figure 11 C of blade 52 1, again brandish blade 54 end 114 through the optical fiber 116 of cutting channel 61 tops, then get back to position as shown in Figure 11 B, and position in Figure 11 A of blade when finally getting back to actuator 58 and not activateding.In the time discharging actuator 58, as below, by discussed in detail, optical fiber clamp 110 rises from clamping platform 96, as shown in Figure 5A, and blade 52 returns above cutting channel 61 along arc cutting path immediately, now blade 54 finally passes unimpededly cutting channel 61 and gets back to unactuated position.
Refer again to Fig. 5 A-5D, show the assembly of actuator 58.Actuator 58 comprises following feature, and this feature makes the blade 54 of blade 52 move with the arcuate movement as shown in Figure 11 A-11E, and the optical fiber clamp 110 of movement in optical fiber clamp framework 112 is to clamp the end 114 that is placed on the optical fiber 116 in cutting machine 50.Now with reference to Fig. 5 A-5D, 8B, 10 and 12A-13, details about the following feature of cutting machine 58 is described, this feature had both made the blade 54 of blade 52 rotate with the arcuate movement as shown in Figure 11 A-11E, made again the optical fiber clamp 110 in optical fiber clamp framework 112 clamp the end 114 that is positioned over the optical fiber 116 in cutting machine 50.
First, by the arcuate movement of explanation blade 52 in the time that actuator 58 activated as shown in Figure 11 A-11E.As shown in Fig. 5 A-5D, actuator 58 comprises a lid 122, and lid 122 is arranged on an axle 124.Lid 122 provides a face, presses last item 124 downwards for technician, to activate described actuating machine 58.A spring 123 is arranged on the axle 124 of body 56 outsides that stretches to cutting machine 50, so that upwards spring biasing of axle 124, with away from body 56.Therefore,, when there is no masterpiece for lid 122, when activating described actuator 58, spring 123 discharges the energy of storage, lid 122 is promoted away from body 52, so that axle 124 moves up towards lid 122.
In the present embodiment, and as what further illustrate in the stereographic map of the actuator 58 in Figure 12 A and 12B and front view, the axle 124 of actuator 58 is connected to a yoke 126.Yoke 126 supports a tool arm extended element 128.As shown in Fig. 5 C, 5D and 13, tool arm extended element 128 comprises a groove 130, and groove 130 is received the articulated pin 132 being arranged in tool arm 134.As shown in Fig. 5 D and 8B, tool arm 134 is also supported by pivot pin 136, and pivot pin 136 provided herein is arranged in the pivot opening 138 that is arranged in right side end cap 78.Therefore, tool arm 134 is supported between the pivot opening 138 and groove 130 in right side end cap 78.Pivot pin 136 can not move around in pivot opening 138, but articulated pin 132 can move around in groove 130.Therefore,, along with axle 124 and tool arm extended element 128 activated, because pivot pin 136 is attached to the pivot opening 138 in right side end cap 78, force articulated pin 132 to move around in groove 130.Pivot pin 136 is in the interior rotation of pivot opening 138.Because the longitudinal axis A of groove 130 8longitudinal axis A with axle 9intersect (as shown in Figure 12 A), so in the time that actuator 58 activated, tool arm 134 will be around pivot opening 138 and pivot pin 136 with respect to longitudinal axis A 9with arcuate movement M 1mobile (as shown in above-mentioned Figure 11 A-11E).Therefore, shown in Fig. 5 C, be arranged in a blade 52 in the sheath 140 that is attached to tool arm 134, also will moving around pivot opening 138 and pivot pin 136 with arcuate movement M1.
Actuator 58 in Figure 12 A and Figure 12 B is also arranged to the optical fiber clamp 110 in the optical fiber clamp framework 112 in Figure 10 and applies power, to clamp the end 114 of the optical fiber 116 being placed in cutting machine 50, as mentioned above and as shown in Fig. 5 A-5D and 9B.In this regard, as shown in Figure 12 A and 12B, clamp extended element 144 is also attached to the yoke 126 of actuator 58.Therefore,, along with activating described actuator 58, yoke 126 forces clamp extended element 144 to move down towards cutting step platform 62.In such cases, move towards cutting step platform 62 downwards the end 146 of clamp extended element 144, finally on optical fiber clamp 110, applies power.Impose on the power of optical fiber clamp 110 by end 146, will finally cause optical fiber clamp 110 to be close to clamping platform 96, and the end 114 of grip optical fibers 116, as shown in Figure 9 B.
As shown in Fig. 5 C, 5D, 9B, 12A and 12B, in the present embodiment, the retaining member of carrier member 147 forms is arranged in clamp extended element 144.As shown in Figure 5 D, in the time that actuator 58 does not activate, carrier member 147 is designed to supporting and keeps movable optical fiber clamp 110 to lift from cutting step platform 62.As shown in Figure 12 A, carrier member 147 by between form with two member 148A and the 148B of opening 150, opening 150 is arranged to and allows optical fiber clamp 110(Figure 10) connecting link member 152 through and near opening 150 transverse shifting.As shown in Figure 5 D, in the time that actuator 58 does not activate, the motion of connecting link member 152 is subject to T shape member 156 and limits, and described T shape member is arranged in carrier member 147 across these two member 148A, 148B; As shown in Figure 9 B, in the time that actuator 58 fully activates, the motion of connecting link member 152 is subject to the restriction of the optical fiber clamp 110 that is close to clamping platform 96.
Along with actuator 58 activates, move towards optical fiber clamp 110 downwards the end 146 of clamp extended element 146.The connecting link member 152 of optical fiber clamp 110 moves through the opening 150 in carrier member 147.As shown in Figure 9 B, in the time that actuating machine 58 fully activates, 146 of ends apply power to optical fiber clamp 110, to shift optical fiber clamp 110 onto clamping platform 96.Along with discharging actuator 58, spring 123 moves up axle 124 and clamp extended element 144 and leaves cutting step platform 62.Carrier member 147 is mobile near connecting link member 152, until member 148A and 148B arrive at the T shape member 156 of optical fiber clamp framework 112.As shown in Figure 5 D, carrier member 147 holds up T shape member 156, and upwards draws T shape member 156, to raise optical fiber clamp 110 from cutting step platform 62, fully raises to it.In the time that actuator 58 is released, along with carrier member 147 upwards draws T shape member 156, T shape member 156 rotates freely in carrier member 147.
Except the cutting machine 50 of above-mentioned explanation, the design of other cutting machines may adopt embedded carrier blade.In this regard, Figure 14 A is the right parallax stereogram of an alternative example cutting machine 160, and this cutting machine is arranged to supporting blade 162(blade 162 and comprises an embedded carrier blade), with the end 164 of cutting optical fibre 166.In the present embodiment, it is that cutting is prepared that the end 164 of optical fiber 166 is divested outer, and is inserted in a fibre-optical fixator frame 168.Figure 14 A is illustrated in for the fibre-optical fixator frame 168 of the end 164 of fiber clamping 166 and is disposed in fibre-optical fixator 170 cutting machine 160 before.Shown in Figure 14 B, in the time that fibre-optical fixator frame 168 is inserted into fibre-optical fixator 170, the end 164 of optical fiber 166 is placed on the curved surface 172 of a body 174 that is arranged in cutting machine 160, forms bending with the end 164 at optical fiber 166 before delineation.The tail end section 176 of end 164 is fixed in optical fiber clamp 178, thereby provides stress for end 164.Thereafter, the blade 180 of blade 162 touches in the end 164 of the optical fiber 166 around curved surface 172 bendings, produces a crack with the end 164 at optical fiber 166.The stress guide that is applied to end 164 causes crack propagation breakaway end portion 164.
Embodiment disclosed herein is not limited to the method for any special blade, blade material, blade cross section, optical fiber, cutting machine carrier, cutting angle, stress, optical fiber ablation instrument and cutting optical fibre.Assembly at the cutting machine of this layout can be made up of the material of any hope.In embodiments more disclosed herein, cutting machine assembly is made up of the material of Polymers, and wherein assembly is molded.For example, cutting machine can be made up of the material of the Polymers that at least accounts for 90% percentage by weight.Optical fiber end after cutting disclosed herein can be arranged or be formed on independent optical fiber or multiple fiber array.After optical fiber is cut, can adopt glossing.
As used herein, term " fiber optic cables " and/or " optical fiber " are intended to comprise all types of single modes and multimode lightguide, comprise optical fiber or any other medium for transmitting optical signal of one or more bare fibre, loose casing fiber optic, tightly packaged fiber, rubber optical fiber, bend-insensitive.The example of bend insensitive fiber or counter-bending optical fiber obtains from Corning Incorporated is commercially available multimode optical fiber.The appropriate optical fibers of this type is for example disclosed in U.S. Patent application publication 2008/0166094 and 2009/0169163.
Have benefited from the instruction of above-mentioned explanation and relevant drawings, the those of ordinary skill in the art under the present invention will expect many distortion described herein and other embodiments.Therefore, understand that this instructions and claim are all not limited to disclosed specific embodiments, above-mentioned distortion and other embodiments are intended to be included in the scope of the claim of enclosing.As long as the distortion of embodiment and amendment drop in the scope of the claim of enclosing and their equivalent, the present invention just covers distortion and the amendment of these embodiments.Although adopted some buzzwords at this, using them is only for general and descriptive sense, and unrestricted object.

Claims (12)

1. for a cutting machine for cutting optical fibre, comprising:
A body;
An actuator, this actuator is placed in described body, and is configured to activated to move a blade along at least local curved cutting path along actuation path;
A fiber path, this fiber path is positioned at described body, and crossing with described at least local curved cutting path, with the described actuator of box lunch activated so that described blade when moving and contact with the end of optical fiber along described at least local curved cutting path, to be placed on the end of the optical fiber in fiber path cut; It is characterized in that
Further comprise a clamp extended element, this clamp extended element be arranged in described actuator and be configured to one movably optical fiber clamp apply power, to clamp the end that is placed on the optical fiber in described fiber path.
2. cutting machine according to claim 1, further comprises a tool arm, and described tool arm is movably by described actuator, and blade described in local support at least.
3. cutting machine according to claim 2, further comprises a sheath, and described sheath is arranged in described tool arm, and is arranged to fixing described blade.
4. cutting machine according to claim 3, further comprise a pivot pin, described pivot pin is arranged in described tool arm and is contained in the pivot opening being formed in described body, when described actuator activated so that blade while moving along described at least local curved cutting path, described tool arm is around described pivot pins.
5. cutting machine according to claim 4, wherein said pivot aperture arrangement is in the first end cap, and this first end cap is inserted in the first end opening of described sheath.
6. cutting machine according to claim 5, further comprises an optical fiber receiver, and this optical fiber receiver is arranged in described the first end cap, is arranged to the end of receiving optical fiber to be cut, and is alignd in the end of optical fiber in fiber path.
7. cutting machine according to claim 3, further comprise an articulated pin, this articulated pin is arranged in described tool arm and is contained in the groove being arranged in described actuator, wherein when described actuator activated so that blade while moving along described at least local curved cutting path, described articulated pin moves around in described groove.
8. cutting machine according to claim 7, wherein said actuator has a tool arm extended element, and described groove is positioned at described tool arm extended element.
9. cutting machine according to claim 8, wherein said tool arm extended element is connected to a yoke being arranged in described actuator.
10. cutting machine according to claim 1, further comprises an axle being arranged in described actuator, and this axle is configured in the time that this axle activated, and blade is moved along described at least local curved cutting path.
11. cutting machines according to claim 10, further comprise a lid, and described lid is attached to an end of described axle, for described actuator provides an actuator surface.
12. according to the cutting machine described in claim 1-11, and wherein said actuator is spring biasing.
CN201190000974.XU 2010-11-23 2011-11-22 Cutter for cutting optical fiber Expired - Fee Related CN203705681U (en)

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US41644810P 2010-11-23 2010-11-23
US61/416,448 2010-11-23
US13/112,434 US20120125166A1 (en) 2010-11-23 2011-05-20 Cleavers for cleaving optical fibers, and related blades, components, and methods
US13/112,434 2011-05-20
PCT/US2011/061756 WO2012071363A1 (en) 2010-11-23 2011-11-22 Cleavers for cleaving optical fibers, and related blades, components, and methods

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