CN203688843U - Fiber holding device and fiber welding machine - Google Patents
Fiber holding device and fiber welding machine Download PDFInfo
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- CN203688843U CN203688843U CN201320837958.7U CN201320837958U CN203688843U CN 203688843 U CN203688843 U CN 203688843U CN 201320837958 U CN201320837958 U CN 201320837958U CN 203688843 U CN203688843 U CN 203688843U
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- 238000003466 welding Methods 0.000 title claims abstract description 25
- 239000000835 fiber Substances 0.000 title abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 111
- 239000013307 optical fiber Substances 0.000 claims description 357
- 239000000463 material Substances 0.000 claims description 15
- 238000013459 approach Methods 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 229920001971 elastomer Polymers 0.000 abstract description 3
- 238000005253 cladding Methods 0.000 abstract 7
- 239000000806 elastomer Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 47
- 238000007789 sealing Methods 0.000 description 18
- 238000005452 bending Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000007769 metal material Substances 0.000 description 7
- 230000004927 fusion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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Abstract
The utility model provides a fiber holding device and a fiber welding machine. The fiber holding device can hold a plurality of fibers having different combinations of an outer diameter of a holding part, held by a device, of a fiber as a welding object and an outer diameter of a pressing part pressed by the device before the holding part. The fiber holding device includes a cladding holding part and a press-in part, the cladding holding part is provided with a base part and a cover part capable of freely opening and closing relative to the base part, when the cover part is closed, a cladding pressing part arranged at the cover part is pressed toward a cladding contact part of the base part under the effect of a first elastomer, so that the cladding of a fiber can be held between the cladding pressing part and the cladding contact part; and the press-in part is arranged on the cover part and protrudes out from the cover part toward the front end of the fiber, and moreover, the press-in part enables the front press-in part to move in the approaching and separating directions with respect to the base part.
Description
Technical field
The utility model relates to optical fiber grasping device and optical fiber splicer.
Background technology
Provide as lower device as optical fiber splicer: utilize electric discharge between pair of electrodes rod heating and by the device of the end welding of a pair of optical fiber (single core machine); Or utilize electric discharge between pair of electrodes rod heating and by the end of multifiber (fibre ribbon, tape fiber) the in the lump device of welding (multicore machine).
Optical fiber splicer is across the heat fused portion in the space as between pair of electrodes rod and have in both sides for the V-type groove between pair of electrodes rod by the front end bond-allocating of the optical fiber of welding.This V-type groove is arranged to along the both sides that dispose the apparatus main body upper surface of pair of electrodes rod and be arranged on the bearing of trend of the optical fiber orthogonal with the septal direction of pair of electrodes rod across heat fused portion.Glass optical fiber (fiber glass) portion after coated being removed of optical fiber front end is (hereinafter referred to as " glass heart yearn portion ".) be configured on V-type groove, and by the optical fiber clamping parts for glass heart yearn portion being pressed on from top to V-type groove, this glass heart yearn portion handle is held between these optical fiber clamping parts and V-type groove.
In order to control the covered section of a pair of optical fiber, a pair of optical fiber the grasping device for example mode of the bearing of trend with along optical fiber being moved at apparatus main body upper surface is arranged at optical fiber splicer.
In the time that welding is carried out in the end of a pair of optical fiber, a pair of optical fiber grasping device moves in mode close to each other.In addition, with the movement of a pair of optical fiber grasping device accordingly, a pair of glass heart yearn portion slides, moves in end mode close to each other on one side with respect to V-type groove and optical fiber clamping parts on one side under by the state of V-type groove and the clamping of optical fiber clamping parts.And, for a pair of glass heart yearn portion, after their the mutual butt of front end, by the electric discharge heating between pair of electrodes rod by this pair of glass heart yearn portion welding.
The scheme of the optical fiber grasping device of various covered sections of controlling optical fiber has been proposed in the past.
For example, recorded following optical fiber grasping device in patent documentation 1, it possesses: the substrate that is formed with the accommodating groove of the optical fiber of the single core of storage; With the lid to open and close mode freely and substrate link, this optical fiber grasping device remains on the optical fiber that is disposed at accommodating groove between substrate and lid.For the substrate of optical fiber grasping device, dispose pressurized elastic body at the accommodating groove that is configured as groove, and be formed with the locating slot that the optical fiber to being incorporated in accommodating groove positions in the position adjacent with accommodating groove and (be equivalent to " front end guidance groove " in present techniques scheme.）。In addition, lid has: be provided with and press elastomeric support plate, in the time that lid is closed, press between elastic body and pressurized elastic body and control optical fiber by friction force at this; And spring, its to support plate to the substrate-side application of force.
For the optical fiber grasping device of recording in patent documentation 1, the maximum gauge of the optical fiber that can keep is 0.9mm, and the minimum diameter of the optical fiber that can keep is 0.25mm.The optical fiber of maximum gauge (=0.9mm) is by pressurized elastic body with press under the state that elastic body controls and be retained as, the position that it is hH that the center of bare fibre (glass heart yearn portion) is positioned at apart from the height of the bottom surface of locating slot in locating slot.In addition, the optical fiber of minimum diameter (=0.25mm) is by pressurized elastic body with press under the state that elastic body controls and be retained as, the position that it is hL that the center of bare fibre is positioned at apart from the height of the bottom surface of locating slot in locating slot.
The optical fiber grasping device of recording according to patent documentation 1, in the time that lid is closed, control optical fiber by friction force being provided with to press between elastomeric support plate and pressurized elastic body, and lid has the spring to the substrate-side application of force to support plate, so if there is the optical fiber of the diameter that can locate by front end guidance groove, can utilize a keeper (holder) to keep the different multiple optical fiber of diameter.
Patent documentation 1: No. 3132149 communique of utility model registration
But the optical fiber grasping device that patent documentation 1 is recorded also has problems in the following areas.
For the optical fiber grasping device of recording for patent documentation 1, in the time keeping optical fiber, the position that it is setting that glass heart yearn Bu center is held in apart from the height of the bottom surface of front end guidance groove in front end guidance groove, so produce gap between glass heart yearn portion and the bottom surface of front end guidance groove.Therefore, while welding being carried out in the end of a pair of optical fiber optical fiber grasping device is moved, because causing optical fiber, the gap between optical fiber and the bottom surface of front end guidance groove produces bending, the fore-end of optical fiber, sliding swimmingly between forward distolateral V-type groove and optical fiber clamping parts than front end guidance groove, likely produces lack of fusion phenomenon.Especially, the maximum gauge diameter larger and glass heart yearn portion of optical fiber is less, and the gap between glass heart yearn portion and the bottom surface of front end guidance groove is larger, and optical fiber more easily produces bending, therefore, this optical fiber grasping device cannot be tackled the different situation of diameter of optical fiber widely.
Utility model content
Therefore, the utility model In view of the foregoing completes, and its object is to provide optical fiber grasping device and optical fiber splicer, even in the case of the diameter of optical fiber is different, also can tackle widely and optical fiber is controlled, and can suppress the generation of lack of fusion phenomenon.
In order to solve above-mentioned problem, the utility model provides following structure.
The first utility model provides a kind of optical fiber grasping device, it can control the external diameter as the grip portion of being controlled by device of the optical fiber of welding object, from the multiple optical fiber more different than the combination of the external diameter of the forward distolateral pressing part of being pressed by device of this grip portion, this optical fiber grasping device is characterised in that, possess: coated handle part, it has base component and is arranged to open and close cover freely with respect to said base parts, under the closed condition of above-mentioned cover, utilize the first elastomeric acting force to press towards the coated contact site of said base parts the coated pressing component that is arranged at above-mentioned cover, thereby the coated handle of above-mentioned optical fiber can be held between above-mentioned coated pressing component and above-mentioned coated contact site, and pressing parts, it is arranged at above-mentioned cover, front from from above-mentioned cover to above-mentioned optical fiber is outstanding, and can make front end be pressed into portion and move up in the side that approaches, separates with respect to said base parts, the above-mentioned front end portion of being pressed into of above-mentioned pressing parts utilizes the second elastomeric acting force and the above-mentioned pressing part of above-mentioned optical fiber is pressed towards said base parts.
The optical fiber grasping device that the second utility model provides is characterised in that, on the basis of the optical fiber grasping device of the first utility model, under the closed condition of above-mentioned cover, the coated pressing component of above-mentioned cover can contact with the coated contact site of said base parts.
The optical fiber grasping device that the 3rd utility model provides is characterised in that, on the basis of the optical fiber grasping device of the first utility model, above-mentioned front end is pressed in portion and being pressed into the base component side contacts face that portion's side contacts face is corresponding and being formed flatly respectively with above-mentioned in the portion that the is pressed into side contacts face contact of above-mentioned optical fiber and said base parts, under the closed condition of above-mentioned cover, the above-mentioned portion's side contacts face that is pressed into can contact with said base component side surface of contact.
The optical fiber grasping device that the 4th utility model provides is characterised in that, on the basis of the optical fiber grasping device of the 3rd utility model, when above-mentioned front end is pressed into when above-mentioned optical fiber is pressed under the closed condition of portion at above-mentioned cover, above-mentioned front end is pressed into portion, and above-mentioned to be pressed into portion's side contacts face indeformable.
The optical fiber grasping device that the 5th utility model provides is characterised in that, on the basis of the optical fiber grasping device of the first utility model, said base parts have front end guidance groove being pressed into the forward distolateral position of portion than above-mentioned front end, and above-mentioned optical fiber can be disposed at this front end guidance groove under the closed condition of above-mentioned cover.
The optical fiber grasping device that the 6th utility model provides is characterised in that, on the basis of the optical fiber grasping device of the first utility model, the maximum outside diameter of the above-mentioned grip portion of the above-mentioned optical fiber that can control is more than 3mm, and the minimum outer diameter of the above-mentioned grip portion of the above-mentioned optical fiber that can control is below 125 μ m.
The optical fiber grasping device that the 7th utility model provides is characterised in that, on the basis of the optical fiber grasping device of the first utility model, the maximum outside diameter of the above-mentioned pressing part of the above-mentioned optical fiber that can control is more than 0.9mm, and the minimum outer diameter of the above-mentioned pressing part of the above-mentioned optical fiber that can control is below 80 μ m.
The optical fiber grasping device that the 8th utility model provides is characterised in that, on the basis of the optical fiber grasping device of the first utility model, said base parts have a pair of guiding wall than above-mentioned cover by the position of rear end side, and above-mentioned optical fiber can be disposed at this pair of guiding wall under the closed condition of above-mentioned cover.
The optical fiber grasping device that the 9th utility model provides is characterised in that, on the basis of the optical fiber grasping device of the first utility model, above-mentioned pressing parts possesses plate spring part, this plate spring part supports above-mentioned front end and is pressed into portion, and extends along the bearing of trend of the above-mentioned optical fiber of being controlled by above-mentioned coated handle part.
The optical fiber grasping device that the tenth utility model provides is characterised in that, on the basis of the optical fiber grasping device of the 9th utility model, under the closed condition of above-mentioned cover, in the time observing from above-mentioned cover side, above-mentioned plate spring part disposes a pair of in both sides across above-mentioned optical fiber, the end that is pressed into the contrary side of portion with above-mentioned front end of a pair of above-mentioned plate spring part is fixed in above-mentioned cover.
The optical fiber grasping device that the 11 utility model provides is characterised in that, on the basis of the optical fiber grasping device of the tenth utility model, above-mentioned cover possesses: lid main part; Butt plate, it is configured to than above-mentioned lid main part by above-mentioned base component side under the closed condition of above-mentioned cover, and with said base parts butt; And above-mentioned coated pressing component, under the closed condition of above-mentioned cover, it is by towards the said base parts application of force, and can be approaching with respect to said base parts between above-mentioned lid main part and above-mentioned butt plate, the side that separates move up, in above-mentioned lid main part, above-mentioned butt plate and above-mentioned pressing parts at least any one has the guide portion that the movement of above-mentioned coated pressing component is guided.
The optical fiber grasping device that the 12 utility model provides is characterised in that, on the basis of the optical fiber grasping device of the 11 utility model, above-mentioned pressing parts possesses respectively two guide plates as guide sections in a pair of above-mentioned plate spring part, an above-mentioned guide plate is arranged to respectively mutually on above-mentioned bearing of trend, separate with another above-mentioned guide plate, and towards edge-on setting of above-mentioned lid main part.
The optical fiber grasping device that the 13 utility model provides is characterised in that, in the first～the 12 utility model on the basis of optical fiber grasping device of any one utility model, at least above-mentioned front end in above-mentioned pressing parts is pressed into portion and is formed by resin material.
The 14 utility model provides optical fiber splicer, and the optical fiber grasping device that it possesses described in a pair of the first utility model, is characterized in that, the end of the above-mentioned optical fiber of being controlled respectively by a pair of above-mentioned optical fiber grasping device is carried out to welding each other.
According to the utility model, coated handle part can be fixed the coated grip portion of optical fiber, and the front end of pressing parts is pressed into portion and can utilizes the second elastomeric acting force and forward the grip portion than coated handle part in optical fiber distolateral pressing part is pressed towards base component.Thus, even the diameter that is wrapped by the grip portion that handle part controls in optical fiber, from more different than the diameter of the forward distolateral pressing part of grip portion, optical fiber grasping device also can be controlled this optical fiber reliably.Therefore, optical fiber each other when welding, even if optical fiber grasping device and optical fiber are moved, also can be prevented to optical fiber produces bending.Like this, according to the utility model, even in the situation that fibre diameter is different, also can tackles widely and optical fiber is controlled, and can suppress the generation of lack of fusion phenomenon.
Accompanying drawing explanation
Fig. 1 is the stereoscopic figure of the related optical fiber splicer of embodiment.
Fig. 2 is the stereoscopic figure of the optical fiber grasping device in closed condition.
Fig. 3 is the stereoscopic figure of the optical fiber grasping device in opening.
Fig. 4 is the exploded perspective view of optical fiber grasping device.
Fig. 5 is the cut-open view along the A-A line of Fig. 2.
Fig. 6 is the stereographic map of pressing parts.
Fig. 7 is the cut-open view along the B-B line of Fig. 2.
Fig. 8 is the key diagram of the optical fiber grasping device while controlling optical fiber.
Fig. 9 is the key diagram of the optical fiber grasping device while controlling optical fiber.
Figure 10 is the key diagram of the first variation of embodiment, and is the key diagram of the optical fiber grasping device while controlling optical fiber.
Figure 11 is the key diagram of the second variation of embodiment, and is the key diagram of the optical fiber grasping device while controlling optical fiber.
Figure 12 is the stereoscopic figure of the related pressing parts of other embodiment.
The explanation of Reference numeral:
1 ... heat sealing machine (optical fiber splicer); 2 ... optical fiber grasping device; 3 ... coated handle part; 3a ... the first guide portion (guide portion); 3b ... the second guide portion (guide portion); 17 ... the first elastic body; 30 ... base portion; 31 ... coated contact site; 38 ... front end guidance groove; 39 ... base component side contacts face; 40 ... cover; 41 ... lid main part; 51 ... butt plate; 55 ... coated pressing component; 60 ... pressing parts; 61 ... front end is pressed into portion; 62 ... be pressed into portion's side contacts face; 64 ... plate spring part (the second elastic body); 64b ... rearward end (end); 65 ... guide plate (guide portion); 90,90a, 90b ... optical fiber; 93 ... weld portion.
Embodiment
Below, with reference to accompanying drawing, the related optical fiber grasping device of embodiment and optical fiber splicer (are designated hereinafter simply as to " heat sealing machine ".) describe.Below, first the overview of heat sealing machine is described, and then the details of the optical fiber grasping device that is equipped on this heat sealing machine is described.
Fig. 1 is the stereographic map of the heat sealing machine 1 of embodiment.Wherein, in Fig. 1, a pair of optical fiber 90(90a, the 90b that are fused are shown with double dot dash line).In addition, in Fig. 1, illustrate with the state after hurricane globe 70 described later is opened.
As shown in Figure 1, heat sealing machine 1 is for by the device of the end welding of a pair of optical fiber 90a, 90b.Here illustrative optical fiber 90, adopted the periphery of the glass such as optical fibre core, optical fiber cable heart yearn portion 91 be coated with for example formed by synthetic resin material coated 92 and make their integrated structures.Respectively coated 92a, the 92b of the end of a pair of optical fiber 90a, the 90b of welding are removed in advance, thereby the glass heart yearn 91a of portion, 91b are exposed.
The outward appearance of the apparatus main body 10 of heat sealing machine 1 is formed as box-shaped, for example, this heat sealing machine 1 is loaded in installation surface F and used.The apparatus main body 10 of heat sealing machine 1 has: for the operating portion 85 that heat sealing machine 1 is moved; The monitoring arrangement 87 that carries out image demonstration etc. with the glass heart yearn 91a of portion, 91b to optical fiber 90a, 90b.A side that is provided with monitoring arrangement 87 of heat sealing machine 1 is the side that this operator faces in the time that operator uses heat sealing machine 1.
In addition, in the following description, the Width of the heat sealing machine 1 that a pair of optical fiber 90a, 90b are extended is made as directions X, and a side that disposes a side optical fiber 90a is+X side that a side that disposes the opposing party's optical fiber 90b is-X side.In addition, the direction of intersecting with directions X on surface level is made as to Y-direction, the front side that is provided with monitoring arrangement 87 is+Y side that a contrary side (rear side) is-Y side.In addition, will be made as Z direction with directions X and the orthogonal direction of Y-direction, upside is+Z side that downside is-Z side.Below, use the orthogonal coordinate system of XYZ to describe as required.
In addition, the apparatus main body 10 of heat sealing machine 1 possesses: pair of electrodes rod 24,24, and this pair of electrodes rod 24,24 is for by the glass heart yearn 91a of portion of a pair of optical fiber 90a, 90b, 91b heat fused each other; A pair of optical fiber grasping device 2,2, the discharge part in this region of a pair of optical fiber grasping device 2,2 between the mutual opposed front end as pair of electrodes rod 24,24 and be arranged at the both sides of directions X; A pair of movable stage 22,22, this pair of movable stage 22,22 be arranged at respectively a pair of optical fiber grasping device 2,2-Z side; A pair of positioning support portion 26,26, this pair of positioning support portion 26,26 between a pair of movable stage 22,22 for the glass heart yearn 91a of portion, the 91b configuration of optical fiber 90a, 90b; And hurricane globe 70.When using when heat sealing machine 1, above-mentioned pair of electrodes rod 24,24, a pair of optical fiber grasping device 2,2, a pair of movable stage 22,22 and a pair of positioning support portion 26,26 are covered by hurricane globe 70.Below, each component parts of apparatus main body 10 is elaborated.
Pair of electrodes rod 24,24 extends along Y-direction respectively, and state opposite disposed to be separated from each other in the Y direction.The front end of mutual opposed pair of electrodes rod 24,24 is formed as pointed shape, by the electric discharge between the front end of pair of electrodes rod 24,24, the glass heart yearn 91a of portion, the 91b of optical fiber 90a, 90b is heated each other and makes it fusing.
For example make a pair of optical fiber grasping device 2,2 fixing with respect to a pair of movable stage 22,22 respectively by not shown bolt etc.In the time that optical fiber 90a, 90b are carried out to welding each other, a pair of optical fiber grasping device 2,2 is controlled respectively optical fiber 90a, 90b.Hereinafter the details of optical fiber grasping device 2 is narrated.
A pair of movable stage 22,22 is arranged at respectively optical fiber grasping device 2-Z side and is arranged at the both sides of directions X across the discharge part of pair of electrodes rod 24,24, and a pair of movable stage 22,22 is for optical fiber grasping device 2 setup and uses.Can make a pair of movable stage 22,22 move along directions X respectively by the driving force of not shown power source (worktable power source), so that each optical fiber grasping device 2 is close to each other, separation.In the time that optical fiber 90a, 90b are carried out to welding each other, under the state of being controlled by a pair of optical fiber grasping device 2,2 at a pair of optical fiber 90a, 90b, a pair of movable stage 22,22 makes this pair of optical fiber 90a, 90b move and closer to each other along directions X.
In addition, as the power source of movable stage 22,22 use, preferably drive by electromagnetic force and produce the power source of power, for example, can preferably adopt electro-motor, electromagnet, solenoid etc.
At a pair of movable stage 22,22 and be arranged between a pair of optical fiber grasping device 2,2 on a pair of movable stage 22,22, be provided with for the glass heart yearn 91a of portion, the 91b of optical fiber 90a, 90b being arranged to each other to opposed a pair of positioning support portion 26,26.A pair of positioning support portion 26,26 is formed as along Y-direction and the wall shape arranged substantially in parallel.Positioning support portion 26+Z side is formed with location slot part 26a along directions X.When being formed as observing from directions X, location slot part 26a there is the V word shape of opening in+Z side.In a pair of location slot part 26a, 26a, be placed with respectively the glass heart yearn 91a of portion, the 91b as the end of optical fiber 90a, 90b.
Hurricane globe 70 is formed as bathtub shape, is supported to respect to apparatus main body 10 and can rotates by being arranged at the linkwork 71 of apparatus main body 10.Hurricane globe 70 is configured to and for example can carries out manually opening and closing operations.In addition, hurricane globe 70 can be configured to and can carry out opening and closing operations by electronic mode.
By opening the state of hurricane globe 70(Fig. 1) inside of apparatus main body 10 is exposed laterally.Thus, optical fiber 90a, 90b can be installed on to heat sealing machine 1.In addition, be formed as following state by closing hurricane globe 70: apparatus main body 10 is covered by hurricane globe 70, the glass heart yearn 91a of portion, the 91b of optical fiber 90a, 90b, pair of electrodes rod 24,24, a pair of optical fiber grasping device 2,2, a pair of movable stage 22,22, a pair of positioning support portion 26,26 etc. are positioned at the inner side of hurricane globe 70.Thus, wind can not arrive the discharge part of 24,24 of electrode bars, so can be stably by the glass heart yearn 91a of portion, the 91b fusing of optical fiber 90a, 90b.
In the inner side of hurricane globe 70, a pair of fiber clamp 73,73 is arranged to arrange along directions X.
In the time that hurricane globe 70 is closed, a pair of fiber clamp 73,73 is disposed at and the location slot part 26a of a pair of positioning support portion 26,26, the position that 26a is corresponding.A pair of fiber clamp 73,73 be formed as can with chimeric subtriangular of the location slot part 26a, the 26a that are formed as V word shape.In the time that hurricane globe 70 is closed, the glass heart yearn 91a of portion, the 91b that 73,73 pairs of quilts of a pair of fiber clamp load optical fiber 90a, 90b in location slot part 26a, 26a presses with the pressing force that can make them and slide on directions X.Thus, a pair of movable stage 22,22 moves so that each optical fiber grasping device 2 and optical fiber 90a, 90b are close to each other, separation, thereby the glass heart yearn 91a of portion, the 91b of optical fiber 90a, 90b are slided between fiber clamp 73 and location slot part 26a.
(optical fiber grasping device)
Then, optical fiber grasping device 2 is elaborated.Wherein, the optical fiber grasping device of+X side 2 and-the optical fiber grasping device 2 of X side is formed as respectively toward each other in the flat symmetrical shape of YZ across the discharge part of pair of electrodes rod 24,24, their structure is identical.Therefore, below, only the optical fiber grasping device 2 of right+X side describes, and omits the detailed description of the optical fiber grasping device 2 of p-X side.
A pair of optical fiber grasping device 2,2 is individually fixed on a pair of movable stage 22,22.A pair of movable stage 22,22 moves so that each optical fiber grasping device 2 is close to each other, separation, thus, can make a pair of optical fiber grasping device 2,2 move, thereby make them approach, separate with respect to a pair of positioning support portion 26,26 being configured between a pair of optical fiber grasping device 2,2.
Fig. 2 and Fig. 3 are the stereoscopic figure of optical fiber grasping device 2, and Fig. 4 is the exploded perspective view of optical fiber grasping device 2.
As shown in Figure 2, the optical fiber grasping device 2 of present embodiment is configured to and comprises: the coated handle part 3 with base component 30 and cover 40; And pressing parts 60.Below, the structure of each parts is elaborated.Wherein, in the following description, as shown in Figure 2, state overlapping to base component 30 and cover 40 is called to the closed condition of optical fiber grasping device 2.In addition, as shown in Figure 3, the state that the interarea 30a of not overlapping and base component 30 to base component 30 and cover 40+Z side is exposed is called the opening of optical fiber grasping device 2.In addition, as long as statement in advance, below all directions of all directions and the cover 40 of the XYZ of the explanation XYZ in the time of closed condition are consistent.
(base component)
At the interarea 30a of base component 30 and the pars intermedia in the Y-direction of base component 30, to be provided with coated contact site 31 along the mode of directions X.The coated 92(that configures optical fiber 90 on coated contact site 31 is with reference to Fig. 1).
As shown in Figure 4, rotating support portion 32 is arranged to than coated contact site 31 lean on-Y sides.In rotating support portion 32, to be formed with inserting hole 32a along the mode of directions X, the bolster 13 being for example made up of metal material can pass this inserting hole 32a.Rotating support portion 32 supports cover 40 for rotating around bolster 13 by bolster 13.
A pair of the first guiding wall 35,35 is arranged at than coated contact site 31 and leans on+X side and the position adjacent with coated contact site 31.A pair of the first guiding wall 35,35 is positioned at than the position of cover 40 lean on+X sides (rear end side) under the closed condition of cover 40, and erects setting from the interarea 30a of base component 30 along Z direction.
The separating distance of a pair of the first guiding wall 35,35 is arranged to be slightly larger than the optical fiber 90(that can be controlled by optical fiber grasping device 2 with reference to Fig. 1) maximum outside diameter (for example about 3mm), and be arranged to guarantee optical fiber 90 is arranged between a pair of the first guiding wall 35,35.The coated 92(that optical fiber grasping device 2 is controlled optical fiber 90 to dispose the state of optical fiber 90 between a pair of the first guiding wall 35,35 is with reference to Fig. 1), limit fibre 90 dislocation in the Y direction thus.
The front guiding piece 36 that weld portion side (being the front of optical fiber 90) to optical fiber 90 guides is formed as than coated contact site 31 lean on-X sides.
In addition, front guiding piece 36-X side end be provided with court+Z side opening and along directions X extend front end guidance groove 38.Front end guidance groove 38 is until the center section in Z direction is formed as the width of constant from bottom, and width becomes gradually large towards+Z side from the center section in Z direction.By in optical fiber 90, than the forward distolateral part of grip portion of being controlled by coated handle part 3 (hereinafter referred to as " pressing part ".) be disposed at front end guidance groove 38.
And, a pair of second guiding wall 37,37 of front guiding piece 36, and front end guidance groove 38 between region division have base component side contacts face 39.Base component side contacts face 39 is formed as tabular surface.Utilize the front end of pressing parts 60 described later to be pressed into portion 61, optical fiber 90 is pressed into towards base component side contacts face 39.
(cover)
Fig. 5 is the cut-open view along the A-A line of Fig. 2.
As shown in Figure 5, U-shaped when lid main part 41 is for example formed as observing from directions X by resin material etc.Inner side at lid main part 41 is formed with the first recess 44.Both sides in the Y-direction of the first recess 44 are formed with respectively the second recess 45,45.
As shown in Figure 4, lid main part 41-Y side is formed with rotating support portion 42, this rotating support portion 42 has the inserting hole 42a that can pass for bolster 13.In addition, covering main part 41 and be formed with side-prominent operating sheet 43 outwardly in a side contrary with rotating support portion 42.Operator controls the operating sheet 43 that covers main part 41 and operates, and can make thus cover 40 rotate around bolster 13, and can make cover 40 open and close with respect to base component 30.
U-shaped when butt plate 51 is formed as observing from Y-direction by metal materials such as the such as iron that can be adsorbed by magnet 34.Butt plate 51 has: a pair of base plate 52,52 of arranging in the Y direction; With a pair of longitudinal wall part 53,53 of arranging on directions X.
A pair of longitudinal wall part 53,53 is arranged at the both side ends of the directions X of a pair of base plate 52,52.A pair of longitudinal wall part 53,53 is towards+edge-on setting of Z, in the position by+Z sides than a pair of base plate 52,52, the part beyond the inner edge portion of a pair of base plate 52,52 connected.
In addition, a pair of longitudinal wall part 53,53 both sides from directions X will be covered main part 41 and cover.Thus, between lid main part 41 and butt plate 51, the first recess 44 and the second recess 45 are covered by a pair of base plate 52,52 and a pair of longitudinal wall part 53,53, thus the space that is formed for receiving coated pressing component 55.
Coated pressing component 55 possesses: entirety is formed as rectangular-shaped coated pressing component main body 56; Coated pressing component main body 56+pair of flanges portion 57 that Z side is stretched out towards the outside of Y-direction.
Between coated pressing component 55 and lid main part 41, first elastic bodys 17 such as such as volute spring are clamped.In the present embodiment, the first elastic body 17 is disposed with two at directions X.Coated pressing component 55 is by first elastic body 17 court's side application of forces contrary with cover 40.
When the coated 92(that does not configure optical fiber 90 between base component 30 and cover 40 is with reference to Fig. 1) time, under the closed condition of cover 40, the coated pressing component 55 of cover 40 can contact with the coated contact site 31 of base component 30.In addition, when the coated 92(that controls optical fiber 90 between base component 30 and cover 40 is with reference to Fig. 1) time, coated pressing component 55 can overcome the acting force of the first elastic body 17 and move towards the direction of leaving base component 30 with the distance corresponding with coated 92 diameter of optical fiber 90.
Face in base component 30 sides that are coated pressing component main body 56 is provided with coated contact plate 55a.Identical with the coated contact site 31 of base component 30 sides, coated contact plate 55a also by have with optical fiber 90 coated 92 compared with the material such as such as rubber of higher coefficient of friction of rest form.Between the coated contact plate 55a of cover 40 sides and the coated contact site 31 of base component 30 sides, configure optical fiber 90(with reference to Fig. 1), make cover 40 be formed as closed condition, prevent that thus the coated 92(of optical fiber 90 is with reference to Fig. 1) between base component 30 and cover 40, slide, and control reliably fixing to coated 92 of optical fiber 90.
As shown in Figure 5, the width in the Y-direction of coated pressing component main body 56 is more smaller than the separating distance of a pair of base plate 52,52.Thus, the coated pressing component main body 56 of coated pressing component 55 is disposed between a pair of base plate 52,52, and, this coated pressing component main body 56 is guided by medial surface 52b, the 52b of a pair of base plate 52,52 between a pair of base plate 52,52, and can be upper mobile in the direction (Z direction) that approaches, separates with respect to base component 30., medial surface 52b, the 52b of a pair of base plate 52,52 are equivalent to " guide portion " in technical scheme as the first guide portion 3a(that the movement of coated pressing component 55 is guided.) and performance function.
Width in the Y-direction of pair of flanges portion 57,57 is larger than the separating distance of a pair of base plate 52,52.Thus, pair of flanges portion 57,57 is interfered with base plate 52,52 via pressing parts 60 described later, thus the movement of the coated pressing component 55 court-Z sides of restriction.
And the width in the Y-direction of pair of flanges portion 57,57 is more smaller than being formed at width in the Y-direction of the first recess 44 that covers main part 41.Thus, the pair of flanges portion 57,57 of coated pressing component 55 is disposed in the first recess 44 that covers main part 41, and, this a pair of flange part 57,57 is guided by medial surface 44a, 44a the first recess 44 is interior, and can be upper mobile in the direction (Z direction) that approaches, separates with respect to base component 30., medial surface 44a, the 44a of the first recess 44 are equivalent to " guide portion " in technical scheme as the second guide portion 3b(that the movement of coated pressing component 55 is guided.) and performance function.
As shown in Figure 4, on two sides 55b, the 55b in the Y-direction of coated pressing component 55, be formed with respectively guiding notch 58 in two positions, place.The guiding at two position, places excise flange part 57 and coated pressing component main body 56 extend along Z direction respectively by the side 55b at coated pressing component 55 with notch 58 and forms, and on directions X, separates predetermined distance and setting abreast.The guide plate 65 that is arranged at pressing parts 60 described later is disposed to guiding notch 58.
(pressing parts)
Fig. 6 is the stereographic map of pressing parts 60.
As shown in Figure 6, U-shaped when pressing parts 60 is for example had flexible metal material and is formed as overlooking by iron etc., has: front end is pressed into portion 61; With a pair of plate spring part 64,64, this pair of plate spring part 64,64 connects and front end is pressed into portion 61 via brace 63 and supports.
As shown in Figure 4, it is outstanding from cover 40 to-X side (the weld portion side of optical fiber) that front end is pressed into portion 61, and the front end that front end is pressed into portion 61 is formed as towards the L word shape of base component 30 lateral bends.Front end is pressed into portion 61-Z side end face to be become with optical fiber 90(with reference to Fig. 1) portion that the is pressed into side contacts face 62 that contacts and being formed flatly.When the coated 92(that does not configure optical fiber 90 between base component 30 and cover 40 is with reference to Fig. 1) time, under the closed condition of cover 40, be pressed into portion's side contacts face 62 and can contact with base component side contacts face 39.
In addition, to be pressed into the width of portion 61 less than the width of cover 40 for front end.That is, front end is pressed into portion 61 and becomes miniaturization, so in the time that optical fiber grasping device 2 is configured and when the on-off action of cover 40, can prevent that the circumferential component of cover 40 and front end are pressed into portion 61 and interfere.
As shown in Figure 6, a pair of plate spring part 64,64 along optical fiber 90(with reference to Fig. 1) bearing of trend (directions X) extend in parallel to each other, their are distolaterally connected that sheet 63 connects and front end is pressed into portion 61 supports.In the time that coated handle part 3 is controlled optical fiber 90, to observe from cover 40 sides (+Z side), a pair of plate spring part 64,64 is disposed at both sides across optical fiber 90.Thus, a pair of plate spring part 64,64 is not interfered with optical fiber 90.
Fig. 7 is the cut-open view along the B-B line of Fig. 2.Wherein, in Fig. 7, show the plate spring part 64 of pressing parts 60 described later, the second recess 45 of lid main part 41 and the base plate 52 of butt plate 51 with double dot dash line.
Here being pressed in rearward end 64b(Fig. 6 of the contrary side of portion 61 with the region shown in double dot dash line with front end of a pair of plate spring part 64,64) tegmentum parts 40 are fixing.In the present embodiment, as shown in Figure 7, in the rear end (+X side) of the second recess 45 of lid main part 41, utilization clamps a pair of plate spring part 64,64 rearward end 64b to the outstanding fixed projection 46 of the base plate 52 of butt plate 51 and base plate 52, is fixed on cover 40 by this pair of plate spring part 64,64 thus.
As shown in Figure 5, do not control optical fiber 90(with reference to Fig. 1 at coated handle part 3) time, a pair of plate spring part 64,64 is wrapped by pressing component 55 and butt plate 51 keeps, wherein, above-mentioned coated pressing component 55 by the first elastic body 17 to the base component 30 side application of forces.Particularly, utilize the acting force of the first elastic body 17 and by being coated the flange part 57 of pressing component 55 and the base plate 52 of butt plate 51, the inner edge portion 64a of a pair of plate spring part 64,64 clamped to maintenance.
In addition, control optical fiber 90(with reference to Fig. 1 at coated handle part 3) time, coated pressing component 55 overcomes the acting force of the first elastic body 17 and mobile towards the direction (+Z side) of leaving from the base plate 52 of butt plate 51, thereby the gripping state of a pair of plate spring part 64,64 being controlled based on coated pressing component 55 and butt plate 51 is removed.Thus, can only the rearward end 64b of a pair of plate spring part 64,64 be fixed on to cover 40, and this pair of plate spring part 64,64 can be in rearward end 64b region bending in addition.Therefore, the front end of pressing parts 60 is pressed into portion 61 and can be under the state being biased towards base component 30 moving in the direction that approaches, separates with respect to base component 30, and utilizes the acting force of a pair of plate spring part 64,64 and forward the grip portion than coated handle part 3 in optical fiber 90 distolateral pressing part is pressed to base component 30.A pair of plate spring part 64,64 is brought into play function as front end being pressed into portion 61 towards the second elastic body of the base component application of force.
As shown in Figure 7, front end is pressed into the material that portion 61 preferably has the hardness of regulation by such as resin material, metal material etc. and forms.In the present embodiment, front end is pressed into portion 61 and is formed by the resin material of hard, with respect to brace 63 for example by carrying out molded forming.
Here, the hardness that front end is pressed into portion's 61 desired regulations is set as following hardness: for example front end be pressed into acting force that portion 61 utilizes a pair of plate spring part 64,64 to optical fiber 90(with reference to Fig. 1) while pressing, make to be pressed into portion's side contacts face 62 indeformable.Thus, even if being pressed into portion 61, front end also can not be out of shape in the situation that utilizing pressing parts 60 to press for a long time optical fiber 90, so be pressed between the portion that the is pressed into side contacts face 62 of portion 61 and the base component side contacts face 39 of base component 30 and can not form gap at front end, optical fiber 90 can be pressed on to base component 30 reliably.And, be pressed into portion 61 owing to utilizing resin material to form front end, so in the time pressing optical fiber 90, can prevent the contacts such as edge and the situation of damage optical fiber 90.
As shown in Figure 4, a pair of plate spring part 64,64 possesses respectively two guide plates 65.Two guide plates 65,65 are arranged to respectively upper separation of bearing of trend (directions X) in plate spring part 64 each other, and these two guide plates 65,65 erect setting towards lid main part 41 sides (+Z side) respectively.Due to two guide plates 65,65 are separated to setting, so a pair of plate spring part 64,64 can be in the region bending in addition of the forming section of two guide plates 65,65.
In addition, each guide plate 65 of plate spring part 64 is configured in respectively the inner side of the guiding use notch 58 of the side 55b that is formed at coated pressing component 55.Thus, coated pressing component 55 can be guided by each guide plate 65 of plate spring part 64 between a pair of plate spring part 64,64, and can be upper mobile in the direction (Z direction) that approaches, separates with respect to base component 30.
And then each guide plate 65 erects setting towards lid main part 41 sides (+Z side), thus at the optical fiber 90(being controlled by the position of base component 30 sides (Z side) than a pair of plate spring part 64,64 with reference to Fig. 1) can not contact with guide plate 65.Therefore, for example, by utilizing the mode such as guide plate 65 and base component 30 fiber clampings 90, can prevent that optical fiber 90 from sustaining damage.
(effect)
Then, to using the holding method of optical fiber of above-mentioned optical fiber grasping device 2 and the effect while controlling the optical fiber with various diameters to describe.
Fig. 8 and Fig. 9 are the key diagrams of the optical fiber grasping device 2 while controlling optical fiber 90, and Fig. 8 is the cut-open view that comprises the central shaft of optical fiber 90, and Fig. 9 is and the cut-open view of the orthogonality of center shaft of optical fiber 90.In addition, in Fig. 8, show movable stage 22, there is positioning support portion 26 and the fiber clamp 73 of locating slot part 26a with double dot dash line.
Below, as shown in FIG. 8 and 9, describe utilizing optical fiber grasping device 2 to control situation in various existing optical fiber 90, there is the so-called optical fiber cable 90A of the first coated 92A and the second coated 92B as coated 92.
The holding method of optical fiber 90 being controlled by optical fiber grasping device 2 possesses optical fiber mounting operation and optical fiber is controlled operation.Here, following situation is described,, utilize be configured to the coated handle part 3 that comprises cover 40 and base component 30 to i.e. the first coated 92A of the first overlay area R1(of optical fiber 90) grip portion control fixing, and utilize front end to be pressed into portion 61 by i.e. the second coated 92B of the second coated 92B(of optical fiber 90) pressing part press to base component 30 sides.
In optical fiber mounting operation, keep the opening constant (with reference to Fig. 3) of cover 40, operator loads optical fiber 90 in base component 30.Particularly, the part corresponding grip portion with the first overlay area R1 of optical fiber 90 is loaded on the coated contact site 31 of base component 30, and the part corresponding pressing part with the second overlay area R2 of optical fiber 90 is loaded on the base component side contacts face 39 of front guiding piece 36.
Then, control in operation at optical fiber, operator controls the operating sheet 43(of the cover 40 in opening with reference to Fig. 3) and operate, make thus cover 40 around bolster 13(with reference to Fig. 3) rotate, thereby make cover 40 become the closed condition shown in Fig. 8 from opening.
Utilize the first coated 92A of the first overlay area R1 to leave base component 30 to move it to coated pressing component 55 application of forces.Thus, coated pressing component 55 by the first coated 92A overcome the first elastic body 17 acting force and by ejection.
Now, as shown in Figure 9, coated pressing component 55 is guided by each guide plate 65 of the first guide portion 3a, the second guide portion 3b and plate spring part 64 and is mobile between a pair of base plate 52,52 and a pair of plate spring part 64,64.And the first overlay area R1(of optical fiber 90 i.e. the first coated 92A) acting force quilt because of the first elastic body 17 between base component 30 and the coated pressing component 55 of cover 40 controlled fixing.
In addition, as shown in Figure 8, the front end of pressing parts 60 is pressed into portion 61 because second being coated 92B than forward the second distolateral overlay area R2(of the first overlay area R1) be biased, thus move in the mode of leaving base component 30.
Now, as shown in Figure 9, coated pressing component 55 is by the first coated 92A ejection.Therefore, a pair of plate spring part 64,64 is wrapped by the clamp position that pressing component 55 and butt plate 51 clamp and removes, and only have the fixed projection 46 of rearward end 64b tegmentum parts 40 fixing.
In addition, as shown in Figure 8, because being pressed into portion's 61 effects to front end, the second coated 92B of the second overlay area R2 has the power of leaving base component 30 that moves it.Now, a pair of plate spring part 64,64 is bending under the fixing state of the fixed projection 46 that only has rearward end 64b tegmentum parts 40, and front end is pressed into portion 61 applies acting force towards base component 30 sides.Thus, i.e. the second coated 92B of the second overlay area R2(of optical fiber 90) be pressed into portion 61 by front end and press towards base component 30.
As shown in Figure 1, after optical fiber mounting operation finishes, close hurricane globe 70 and operating portion 85 is operated, making thus heat sealing machine 1 move and carry out the glass heart yearn 91a of portion of optical fiber 90a, 90b, the fusing of 91b.
Here, as shown in Figure 8, base component 30 has front end guidance groove 38, can under the closed condition of cover 40, optic fiber configureing be become and be pressed into weld portion 93 sides (front) of portion 61 by optical fiber 90 than front end by this front end guidance groove 38, so in the time utilizing optical fiber grasping device 2 to control optical fiber 90, the fore-end of optical fiber 90 can be disposed in front end guidance groove 38 and position.
Thus, the glass heart yearn portion 91 of optical fiber 90 can be arranged to than optical fiber grasping device 2 by high precision between the fiber clamp 73 of weld portion 93 sides (front) of optical fiber 90 and location slot part 26a and configure reliably.
Finally, as shown in Figure 1, by discharging between the front end at pair of electrodes rod 24,24, thereby the glass heart yearn 91a of portion, the 91b of opposed optical fiber 90a, 90b are heated each other and melted.Thus, by a pair of optical fiber 90a, 90b welding each other.
According to present embodiment, coated handle part 3 can be fixed the grip portion of the coated 92A of first of optical fiber 90, and the front end of pressing parts 60 is pressed into portion 61 and can utilizes the acting force of a pair of plate spring part 64,64 and press and be wrapped by grip portion that handle part 3 controls fixing ratio the first overlay area R1 pressing part by the second coated 92B of weld portion 93 sides (front) in optical fiber towards base component 30.Thus, even be wrapped by the diameter of grip portion that handle part 3 controls the first fixing overlay area R1 from more different by the diameter of the pressing part of the second coated 92B of weld portion 93 sides (front) than the grip portion of the first overlay area R1 in optical fiber 90, optical fiber grasping device 2 also can be controlled optical fiber 90 reliably.Therefore, by optical fiber 90 each other when welding, can prevent that in the time that optical fiber grasping device 2 and optical fiber 90 are moved optical fiber 90 produces bending, and can make to be disposed at fiber clamp 73 and slide with the glass heart yearn portion 91 of locating the optical fiber 90 between slot part 26a.
Like this, according to present embodiment, even also can tackle widely and optical fiber is controlled, and can suppress the generation of lack of fusion phenomenon in the case of the diameter of optical fiber 90 is different.Particularly in the present embodiment, the maximum outside diameter of the grip portion of the optical fiber 90 that can control is for example for more than 3mm, and the minimum outer diameter of the grip portion of the optical fiber 90 that can control is for example below 125 μ m.In addition, the maximum outside diameter of the pressing part of the optical fiber 90 that can control is for example for more than 0.9mm, and the minimum outer diameter of the pressing part of the optical fiber 90 that can control is for example below 80 μ m.
(variation of embodiment)
Figure 10 is the key diagram of the first variation of embodiment, and Figure 11 is the key diagram of the second variation of embodiment.
In embodiment, optical fiber grasping device 2 is controlled optical fiber cable 90A, utilizes coated handle part 3 to control the first overlay area R1 of optical fiber 90 fixing, and utilizes front end to be pressed into the second overlay area R2(that portion 61 presses optical fiber 90 with reference to Fig. 8).
On the other hand, each variation of embodiment is as shown below such, and optical fiber grasping device 2 can be tackled to be had the optical fiber 90 of various diameters and these optical fiber are controlled reliably.In addition,, the explanation of the structure for identical with embodiment is omitted.
(the first variation of embodiment)
In the first variation of the embodiment shown in Figure 10, optical fiber grasping device 2 is controlled so-called optical fiber cable 90B, and the glass heart yearn portion 91 of this optical fiber cable 90B is wrapped by 92 coverings.In addition, the diameter of overlay area R is for example 0.9mm left and right, and the diameter of the region G of glass heart yearn portion is for example 80 μ m left and right.
In addition, optical fiber cable 90B is that the length of the region G of glass heart yearn portion is set to for example so-called short the appearing of 5mm left and right (short mouth goes out) specification.In addition, the guard block that the optical fiber cable 90B of the short specification of appearing can shorten the region G of glass heart yearn portion and the region G of glass heart yearn portion is covered in the time of welding, so all taking advantage aspect intensity, cost, size.
Optical fiber grasping device 2 utilizes coated handle part 3 to the overlay area R(of optical fiber 90 coated 92) control fixing.And then optical fiber grasping device 2 utilizes front end to be pressed into portion 61 the overlay area R(of optical fiber 90 is coated to 92) press towards base component 30.That is, though in the diameter difference of optical fiber 90 and the diameter that is wrapped by the part that handle part 3 controls and the diameter that is pressed into the part that portion 61 presses by front end identical respectively, also can similarly control reliably optical fiber 90 with embodiment.
Therefore, according to the first variation of embodiment, optical fiber 90 each other when welding, even if optical fiber grasping device 2 and optical fiber 90 are moved, also can be prevented to optical fiber 90 produces bending.Particularly for the first variation of embodiment, preferably use in the time that the optical fiber cable 90B to the so-called short specification of appearing carries out welding.
(the second variation of embodiment)
In the second variation of the embodiment shown in Figure 11, optical fiber grasping device 2 is controlled the optical fiber cable 90C with the diameter identical with the first variation of above-mentioned embodiment.But the optical fiber cable 90B(of the first variation of the Length Ratio embodiment of the region G of glass heart yearn portion is with reference to Figure 10) long (for example 15mm left and right).
Optical fiber grasping device 2 utilizes coated handle part 3 to the overlay area R(of optical fiber 90 coated 92) control fixing, and to utilize front end to be pressed into portion 61 be glass heart yearn portion 91 towards base component 30 by the forward distolateral region G(of glass heart yearn portion of pressure ratio overlay area R).
Here, front end is pressed into the portion that the is pressed into side contacts face 62 of portion 61 and the base component side contacts face 39 of base component 30 is formed flatly respectively.Therefore, even front end be pressed into portion 61 in the case of by diameter be the superfine glass heart yearn portion 91 in 80 μ m left and right towards base component 30 is pressed, also can utilize reliably front end be pressed into the portion that the is pressed into side contacts face 62 of portion 61 and the base component side contacts face 39 of base component 30 and glass heart yearn portion 91 is controlled.
Therefore,, according to the second variation of embodiment, can prevent that optical fiber 90 from producing bending and can make the glass heart yearn portion 91 that is disposed at the optical fiber 90 between fiber clamp 73 and location slot part 26a slide.Particularly as glass heart yearn portion 91, diameter is in the superfine situation in 80 μ m left and right, also can prevent that it from pressing and produce bending because be pressed into portion 61 by front end.Like this, optical fiber grasping device 2 also can be tackled widely and optical fiber is controlled in the case of the diameter of optical fiber 90 is superfine, and can suppress the generation of lack of fusion phenomenon.
In addition, technical scope of the present utility model is not limited to above-mentioned embodiment, in the scope that does not depart from purport of the present utility model, can carry out various changes.
The shape of heat sealing machine 1 is not limited to the shape of embodiment.In addition, for example, shape, the positions etc. such as operating portion 85, monitoring arrangement 87, hurricane globe 70 are not limited to embodiment.In addition, shape, the material etc. of optical fiber grasping device 2 are not limited to embodiment.
In the above-described embodiment, it is a pair of plate spring part 64 to the second elastic body of the base component 30 side application of forces that the front end of pressing parts 60 is pressed into portion 61, but the second elastic body is not limited to plate spring part 64.Therefore, for example, as the elastic body that the front end of pressing parts 60 is pressed into portion 61 carries out the application of force, for example, can adopt volute spring to replace a pair of plate spring part 64.
In the above-described embodiment, possess and bring into play medial surface 52b, the 52b of the base plate 52,52 of the butt plate 51 of function as the first guide portion 3a, bring into play medial surface 44a, the 44a of lid main part 41 of function and the guide plate 65 of the plate spring part 64 of pressing parts 60 as the second guide portion 3b, utilize three guide portion to guide the movement of coated pressing component 55.On the other hand, as long as guide portion is set in butt plate 51, lid main part 41 and pressing parts 60 at least any one.
In the above-described embodiment, be illustrated as an example of so-called single core machine of utilizing the electric discharge of 24,24 of pair of electrodes rods to heat a pair of optical fiber 90,90 is carried out to welding example, but application of the present utility model is not limited to single core machine.Therefore, also the utility model can be applied to the electric discharge heating that for example utilizes between pair of electrodes rod and by the so-called multicore machine of multifiber (fibre ribbon) in the lump welding.
Figure 12 is the stereoscopic figure of the related pressing parts of other embodiment 60.
Shape, the material etc. of pressing parts 60 are not limited to embodiment.
For example, in the above-described embodiment, the front end of pressing parts 60 is pressed into portion 61 and is formed as the L word shape (with reference to Fig. 4) towards base component 30 lateral bends by resin material, but shape, the material etc. of pressing parts 60 are not limited to above-mentioned embodiment.
As shown in figure 12, for the related pressing parts 60 of other embodiment, front end is pressed into portion 61, a pair of plate spring part 64,64 and multiple guide plate 65 of the connection via brace 63 are integrally formed, for example, form by the metal materials such as iron are carried out to punch process.
Front end is pressed into portion 61 and gives prominence to laterally and be bent to form as crank-like from brace 63.Be pressed into portion 61 at front end and be formed with the portion's side contacts face 62 that is pressed into.Being pressed into portion's side contacts face 62 is the tabular surfaces that are parallel to plate spring part 64, with optical fiber 90(with reference to Fig. 1) carry out face and contact.
The pressing parts 60 related according to other embodiment, for example can make front end be pressed into portion 61, brace 63, a pair of plate spring part 64,64 and multiple guide plate 65 by the metal materials such as iron are carried out to punch process and form as one, so can realize the cost degradation of pressing parts 60.
In addition,, not departing from the scope of purport of the present utility model, can suitably the structural unit in above-mentioned embodiment be replaced into known structural unit.
Claims (14)
1. an optical fiber grasping device, this optical fiber grasping device can control as the external diameter of the grip portion of being controlled by device of the optical fiber of welding object, from the multiple optical fiber more different than the combination of the external diameter of the forward distolateral pressing part of being pressed by device of this grip portion
Described optical fiber grasping device is characterised in that to possess:
Coated handle part, it has base component and is arranged to open and close cover freely with respect to described base component, under the closed condition of described cover, utilize the first elastomeric acting force to press towards the coated contact site of described base component the coated pressing component that is arranged at described cover, thereby the coated handle of described optical fiber can be held between described coated pressing component and described coated contact site; And
Pressing parts, it is arranged at described cover, and front from from described cover to described optical fiber is outstanding, and can make front end be pressed into portion to move up in the side that approaches, separates with respect to described base component,
The described front end portion of being pressed into of described pressing parts utilizes the second elastomeric acting force and the described pressing part of described optical fiber is pressed towards described base component.
2. optical fiber grasping device according to claim 1, is characterized in that,
Under the closed condition of described cover, the coated pressing component of described cover can contact with the coated contact site of described base component.
3. optical fiber grasping device according to claim 1, is characterized in that,
Described front end is pressed in portion and being pressed into the base component side contacts face that portion's side contacts face is corresponding and being formed flatly respectively with described in the portion that the is pressed into side contacts face contact of described optical fiber and described base component,
Under the closed condition of described cover, described in be pressed into portion's side contacts face and can contact with described base component side contacts face.
4. optical fiber grasping device according to claim 3, is characterized in that,
When described front end is pressed into when described optical fiber is pressed under the closed condition of portion at described cover, described front end be pressed into portion described in to be pressed into portion's side contacts face indeformable.
5. optical fiber grasping device according to claim 1, is characterized in that,
Described base component has front end guidance groove being pressed into the forward distolateral position of portion than described front end, and described optical fiber can be disposed at this front end guidance groove under the closed condition of described cover.
6. optical fiber grasping device according to claim 1, is characterized in that,
The maximum outside diameter of the described grip portion of the described optical fiber that can control is more than 3mm,
The minimum outer diameter of the described grip portion of the described optical fiber that can control is below 125 μ m.
7. optical fiber grasping device according to claim 1, is characterized in that,
The maximum outside diameter of the described pressing part of the described optical fiber that can control is more than 0.9mm,
The minimum outer diameter of the described pressing part of the described optical fiber that can control is below 80 μ m.
8. optical fiber grasping device according to claim 1, is characterized in that,
Described base component has a pair of guiding wall than described cover by the position of rear end side, and described optical fiber can be disposed at this pair of guiding wall under the closed condition of described cover.
9. optical fiber grasping device according to claim 1, is characterized in that,
Described pressing parts possesses plate spring part, and this plate spring part supports described front end and is pressed into portion, and extends along the bearing of trend of the described optical fiber of being controlled by described coated handle part,
Described the second elastic body is described plate spring part.
10. optical fiber grasping device according to claim 9, is characterized in that,
Under the closed condition of described cover, in the time observing from described cover side, described plate spring part disposes a pair of in both sides across described optical fiber,
The end that is pressed into the contrary side of portion with described front end of a pair of described plate spring part is fixed in described cover.
11. optical fiber grasping devices according to claim 10, is characterized in that,
Described cover possesses:
Lid main part;
Butt plate, under the closed condition of described cover, this butt plate is configured to than described lid main part by described base component side, and with described base component butt; And
Described coated pressing component, under the closed condition of described cover, described coated pressing component is by towards the described base component application of force, and can move up in the side that approaches, separates with respect to described base component between described lid main part and described butt plate
In described lid main part, described butt plate and described pressing parts at least any one has the guide portion that the movement of described coated pressing component is guided.
12. optical fiber grasping devices according to claim 11, is characterized in that,
Described pressing parts possesses respectively two guide plates as described guide portion in a pair of described plate spring part,
A described guide plate is arranged to respectively mutually on described bearing of trend, separate with guide plate described in another, and towards edge-on setting of described lid main part.
13. according to the optical fiber grasping device described in any one in claim 1～12, it is characterized in that,
At least described front end in described pressing parts is pressed into portion and is formed by resin material.
14. 1 kinds of optical fiber splicers, this optical fiber splicer possesses a pair of optical fiber grasping device claimed in claim 1,
Described optical fiber splicer is characterised in that,
End to the described optical fiber of being controlled respectively by a pair of described optical fiber grasping device is carried out welding each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013162622 | 2013-08-05 | ||
| JP2013-162622 | 2013-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203688843U true CN203688843U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320837958.7U Expired - Lifetime CN203688843U (en) | 2013-08-05 | 2013-12-18 | Fiber holding device and fiber welding machine |
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| CN (1) | CN203688843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033138A (en) * | 2014-11-10 | 2016-10-19 | 株式会社藤仓 | Optical fiber holding device |
| CN106772804A (en) * | 2016-05-31 | 2017-05-31 | 郁红 | A kind of fiber cutter |
-
2013
- 2013-12-18 CN CN201320837958.7U patent/CN203688843U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033138A (en) * | 2014-11-10 | 2016-10-19 | 株式会社藤仓 | Optical fiber holding device |
| CN106033138B (en) * | 2014-11-10 | 2017-10-27 | 株式会社藤仓 | Optical fiber grasping device |
| CN106772804A (en) * | 2016-05-31 | 2017-05-31 | 郁红 | A kind of fiber cutter |
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