CN208632383U - The stretching device of optical fiber prefabricated rod mandrel - Google Patents
The stretching device of optical fiber prefabricated rod mandrel Download PDFInfo
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- CN208632383U CN208632383U CN201821052245.9U CN201821052245U CN208632383U CN 208632383 U CN208632383 U CN 208632383U CN 201821052245 U CN201821052245 U CN 201821052245U CN 208632383 U CN208632383 U CN 208632383U
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Abstract
The utility model relates to optical fiber prefabricated rod mandrel stretching devices, comprising: tower portion (100) are extended with vertical direction from ground and installed；Lifting device portion (200) is mounted on the one side of the tower portion (100), and vertically upward transport preform female rod (1) while stretch the optical fiber prefabricated rod mandrel (2) produced vertically downward；First chuck (300) configures the face side in the tower portion (100), with the upper end of the fixed preform female rod (1) transported of rotatably state；High temperature furnace (400), the lower side for being located at first chuck (300) comes heating optical fiber preform female rod (1), and can move up and down；Second chuck (500), it can be moved up and down while the lower part of the high temperature furnace (400) is rotatably fixed the lower end of preform female rod (1) and carry out stretching optical fiber prefabricated rods female rod (1), to stretch manufacture optical fiber prefabricated rod mandrel (2).
Description
Technical field
The utility model relates to the stretching devices of optical fiber prefabricated rod mandrel.In more detail, it is related to stretching optical fiber prefabricated rods
Female rod can obtain the stretching device of multiple optical fiber prefabricated rod mandrels.
Background technique
In general, for the method for manufacturing preform female rod, it is known that have chemical vapor deposition
(Chemical Vapor Deposition, CVD), Outside Vapor deposition (Outside Vapor De position, OVD),
Vapor axial deposits the methods of (Vapor-phase Axial Deposition, VAD), manufactures optical fiber prefabricating by the method
Rod mandrel, and be dehydrated and be sintered.
Optical fiber prefabricated rod mandrel is made by reheating and stretching in above-mentioned preform female rod.
For the stretching device for manufacturing optical fiber prefabricated rod mandrel, such as registered patent 10-1153563 (predispersed fiber
The drawing process and device of rod mandrel processed, on May 30th, 2012 registration) propose using a set of pinch roller it is physical stretching added
The device of the optical fiber prefabricated rod mandrel of heat, but directly contacted in the optical fiber prefabricated rod mandrel for being heated to 400 DEG C or more of temperature
During being stretched while pinch roller, there is a problem of reducing outer diameter stability etc..
There is publication 10-2005-0031885 with an example of the stretching device of above-mentioned registered patent different modes
(drawing process of optical fiber prefabricated rod mandrel and the optical fiber prefabricated rod mandrel stretched with this method, on April 6th, 2005 are open).
Stretching derived type structure portion stretching optical fiber prefabricated rods are utilized while patent heating optical fiber preform plug disclosed above
Female rod uses the device for being applicable in XY platform to produce optical fiber prefabricated rod mandrel, to prevent optical fiber prefabricated rod mandrel to be bent.
But according to the relationship of the temperature of high temperature furnace and the export speed for stretching derived type structure portion, preform can be made
The diameter of plug changes, and because in high temperature furnace air-flow or foreign matter etc. there are problems that being difficult to be evenly heated.
Utility model content
(solving the problems, such as)
In view of problem as described above, the utility model offer can ensure that while preventing optical fiber prefabricated rod mandrel to be bent
The stretching device and method of the uniformity of optical fiber prefabricated rod mandrel diameter.
In addition, the utility model provides the stretching device and method of following optical fiber prefabricated rod mandrel: in optical fiber prefabricating
The supply of rod mandrel and optical fiber prefabricated rod mandrel ensure stability when exporting, with prevent optical fiber prefabricated rod mandrel on the move by
Damage.
In addition, the utility model provides the stretching device and method of following optical fiber prefabricated rod mandrel: in identical position
The export of the supply and optical fiber prefabricated rod mandrel that carry out preform female rod is set, and then reduces occupied area, to improve life
Force of labor.
(means solved the problems, such as)
The optical fiber prefabricated rod mandrel stretching device of the utility model for solving the above problems includes: tower portion 100, from ground
Face is extended with vertical direction installs；Lifting device portion 200, is arranged in the one side in the tower portion 100, and transports vertically upward
The optical fiber prefabricated rod mandrel 2 produced is stretched while preform female rod 1 vertically downward；First chuck 300 is configured in institute
The face side in tower portion 100 is stated, with the upper end of the fixed preform female rod 1 transported of rotatably state；High temperature furnace 400, position
Carry out heating optical fiber preform female rod 1 in the lower side of first chuck 300, and can move up and down；Second chuck 500,
The lower part of the high temperature furnace 400 can move up and down while being rotatably fixed the lower end of preform female rod 1 carrys out stretch light
Fine prefabricated rods female rod 1, and then manufacture optical fiber prefabricated rod mandrel 2.
On the other hand according to the utility model, the manufacturing method of the optical fiber prefabricated rod mandrel of the utility model may include as follows
The step of: the upper end axle portion of preform female rod 1 a) is removably secured to the first chuck 300；B moves up high temperature furnace
400 and second chuck 500, make the 400 heating optical fiber preform female rod 1 of high temperature furnace while having a fraction lower side by light
The lower end axle portion of fine prefabricated rods female rod 1 is removably secured to the second chuck 500；C) the preform female rod 1 is detected
Detection is located at the diameter of the intercentrum of live part and the lower end axle portion while live part diameter, thus determines high temperature furnace
400 determine the second chuck 500 while moving up speed move down speed；D) according to the stretching time of the decision
Point and movement speed move up the high temperature furnace 400 while moving down the second chuck 500, while stretching the optical fiber
Prefabricated rods female rod 1 manufactures optical fiber prefabricated rod mandrel 2.
(effect of utility model)
The stretching device of the optical fiber prefabricated rod mandrel of the utility model and the effect of method are as follows: heating and stretching
The position for being changed high temperature furnace during optical fiber prefabricated rod mandrel while spin fiber prefabricated rods female rod according to technique
To be uniformly heated up preform female rod, and then the uniform external diameter of optical fiber prefabricated rod mandrel can be improved.
Meanwhile the utility model adjusts institute using the characteristic of the major part of multiple Image detection optical fiber prefabricated rod mandrels
Position and the tensile speed of high temperature furnace are stated, to ensure the diameter uniformity of optical fiber prefabricated rod mandrel, to improve yield.
As described above, keeping the loading of optical fiber prefabricated rod mandrel and unloading position identical, and then running multiple predispersed fibers
When the stretching of rod mandrel processed, keeps all loadings and unloading position of multiple stretching devices identical, technique can be carried out continuously,
And then manufacturing cost is saved while yield can be improved.
Detailed description of the invention
Fig. 1 is the Facad structure figure of the stretching device for the optical fiber prefabricated rod mandrel that case is preferably implemented in the utility model.
Fig. 2 is the construction profile of Fig. 1.
Fig. 3 is the flow chart for showing the optical fiber prefabricated rod mandrel drawing process of the utility model.
Fig. 4 to Fig. 7 is the positional relationship explanatory diagram of high temperature furnace 400 and the second chuck 500 during stretching.
Fig. 8 is the structure chart of high temperature furnace.
Fig. 9 is the structure chart in the lifting device portion suitable for the utility model.
Figure 10 is the optical cable of Fig. 9.
Figure 11 is the figure of the elevator suitable for the utility model.
Figure 12 be can flexible Application be suitable for the utility model elevator the advantages of System planes figure.
Figure 13 is another case study on implementation structure chart of the elevator suitable for the utility model.
(description of symbols)
100: tower portion 200: lifting device portion
210: elevator 220: driving portion
230: guide portion 240: band guide portion
241: perforated portion 242: anti-to be disengaged from the groove
250: band 260: bracket
270: 300: the first chuck of plate
400: high temperature furnace 410: the first drives upside down portion
420: heater 430: ingress pipe
440: the first image part, 450: the second image part
500: the second chucks 600: clamper
Specific implementation method
Hereinafter, the stretching device that the optical fiber prefabricated rod mandrel of case is preferably implemented in the utility model is explained in detail with reference to the accompanying drawings
And method.
For the embodiments of the present invention, implementable various changes, and can have various embodiments, wherein by specific
Embodiment is illustrated in picture and is illustrated.But the embodiments of the present invention be not specific embodiment is continued to limit, and
Be be construed as include the utility model case study on implementation be related to theory and it is all changes that count range is included, same
Equal objects or even sub.
The term of ordinal numbers can be used for describing a variety of constituent elements including first, second etc., but the composition is wanted
Element is not limited by these terms.These terms are only used for distinguishing the purpose of a constituent element from another constituent element.For example,
In the case where the scope of the patents without departing from the case study on implementation of the utility model, the first constituent element can be referred to as the second composition and want
Element, and similarly the second constituent element is referred to as the first constituent element.And/or term include multiple related record
The combination of item or multiple any one for recording item.
The term used in the embodiments of the present invention simply to illustrate that specific embodiment and use, do not really want
Limit the embodiments of the present invention.Statement for odd number, unless being otherwise noted in article, then the singular references include multiple
Several statements.In the embodiments of the present invention, the terms such as " comprising " or " having " are referred to and are recorded in specification
Feature, number, step, movement, constituent element, component or these combination presence, must not exclude one or more
A possibility that other features, number, step, movement, constituent element, component or these presence or increase for combining.
Unless otherwise defined, all terms (including technology or scientific term) as used herein have practical new with this
The consistent meaning of the normally understood meaning of type person of ordinary skill in the field.The use of (dictionary definition) that such as generally uses
Language should be interpreted that it is equivalent in meaning with the article of the relevant technologies, unless defined otherwise in the embodiments of the present invention, otherwise
Must not the meaning of desirability or excessive formality explain the term.
Fig. 1 is the Facad structure figure of the stretching device for the optical fiber prefabricated rod mandrel that case is preferably implemented in the utility model；Fig. 2
It is the construction profile of Fig. 1.
Fig. 1 and Fig. 2 are respectively referred to, the stretching device packet of the optical fiber prefabricated rod mandrel of case is preferably implemented in the utility model
Include: tower portion 100 is extended with vertical direction from ground and is installed；The one side in the tower portion 100 is arranged in lifting device portion 200,
And the optical fiber prefabricated rod mandrel 2 produced is stretched vertically downward while transporting preform female rod 1 vertically upward；First
Chuck (chuck) 300 configures the face side in the tower portion 100, female with the fixed preform transported of rotatably state
The upper end of stick 1；High temperature furnace 400 carrys out heating optical fiber preform female rod 1 positioned at the lower side of first chuck 300, and can on
Lower movement；Second chuck 500 is rotatably fixed the same of the lower end of preform female rod 1 in the lower part of the high temperature furnace 400
When can move up and down and carry out stretching optical fiber prefabricated rods female rod 1, and then manufacture optical fiber prefabricated rod mandrel 2；Clamper 600, it is securing elongated
The optical fiber prefabricated rod mandrel 2 upper end.
Hereinafter, by the optical fiber prefabricated rod mandrel stretching device to the preferred implementation case as described above for constituting the utility model
Structure be described in detail with effect.
Firstly, tower portion 100 is the works installed from ground with vertical direction, adequately highly carry out stretch light to provide
Fine prefabricated rods female rod 1 manufactures optical fiber prefabricated rod mandrel 2, and the height of about 10m is most suitable.In order to carry out technique, in the tower portion
100 are provided with the accessory structures objects such as operation scaffold, for ease of description, the explanation to other structures object are omitted, in the tower
The positive upper end side in portion 100 fixes the first chuck 300.
The height of fixed first chuck 300 is equivalent to the height of 2 layers of building in shop building, and then uses
Lifting device portion 200, to transport preform female rod 1 to the position of the first chuck 300.
The lifting device portion 200 can be mounted on the side in tower portion 100 with vertical direction.
In the state that the elevator 210 moves up, operator separates preform female rod 1 in elevator 210,
It moves later and is installed to the first chuck 300.
Fig. 3 is the flow chart of the optical fiber prefabricated rod mandrel drawing process of the utility model.
Referring to Fig. 3, the optical fiber prefabricated rod mandrel drawing process of the utility model comprises the following steps that step S31, by light
The upper end axle portion of fine prefabricated rods female rod 1 is removably secured to the first chuck 300；Step S32, move up high temperature furnace 400 with
Second chuck 500, by optical fiber while can making the live part lower side of the 400 heating optical fiber preform female rod 1 of high temperature furnace
The lower end axle portion of prefabricated rods female rod 1 is removably secured to the second chuck 500；Step S33 detects the preform female rod
The diameter of bullet of the detection between live part and the lower end axle portion while diameter of 1 live part, thus
Determine the speed moved down that the second chuck 500 is determined while moving up speed of the high temperature furnace 400；Step S34,
The angle for detecting the lower end axle portion determines point at the beginning of drawing process；Step S35, according to the stretching time of the decision
Point and movement speed move up the high temperature furnace 400 while moving down the second chuck 500, while stretching the optical fiber
Prefabricated rods female rod 1 manufactures optical fiber prefabricated rod mandrel 2；Step S36 detect while the step S35 in the high temperature
The diameter of the optical fiber prefabricated rod mandrel 2 extended immediately below furnace, to adjust the movement of the high temperature furnace 400 and the second chuck 500
Speed.
The shape of preform female rod 1 includes: the live part in central portion diameter thickness；With in the upper of the live part
Portion and lower part respectively upwards with the upper end axle portion and lower end axle portion that extend downwardly.
The diameter of the upper end axle portion and lower end axle portion is smaller than the diameter of live part, thus live part and upper end axle portion
Interconnecting piece and the coupling part of live part and lower end axle portion form bullet shape.
Hereinafter, by the optical fiber prefabricated rod mandrel drawing process to the preferred implementation case in the utility model shown in Fig. 3
Be explained in more detail, and to the structure of the stretching device of the utility model for realizing the drawing process and act on into
Row is described in detail.
Firstly, it is identical as S31 step, by the upper end axle portion for the preform female rod 1 transported by lifting device portion 200
It is fixed on the first chuck 300.
Driving instrument of first chuck 300 including motor etc., and including setting tool, which blocks simultaneously
Secure bond is in the fixture of the upper end axle portion of preform female rod 1.To rotatable optical fiber prefabricated rods female rod 1.
First chuck 300 is can not fix in the state of up and down or left and right displacement and tower portion 100 is arranged in.
Fig. 4 to Fig. 7 is to show the positional relationship of high temperature furnace 400 and the second chuck 500 according to the processing step of Fig. 3 to say
Bright figure.
As shown in figure 4, in order to carry out S31 step, in order to which the upper end axle portion of preform female rod 1 is being fixed on
The impaired of preform female rod 1 is prevented when one chuck 300, high temperature furnace 400 is all moved down with the second chuck 500, to mention
For sufficient space, and then can the fixed preform female rod 1 of interference-free.
Later, as shown in figure 5, in order to carry out drawing process, such as step S32, high temperature furnace 400 and the second chuck are moved up
500。
The high temperature furnace 400 is can penetrate through preform female rod 1 columnar structured, will be to 400 lower part of high temperature furnace
The lower end axle portion of exposed preform female rod 1 is incorporated into the second chuck 500.
Second chuck 500 includes the driving instrument for generating rotary force, and including by the rotary force of the driving instrument
The power transmission tool in lower end axle portion can be conveyed.
The specific structure of the first chuck 300 and the second chuck 500 is omitted, but is rotatably fixed two of object
Axis, and in the same direction and identical speed rotation mechanicalness structure be can be in person of ordinary skill in the field
Level reach using well known driving instrument, power transmission tool etc. are easy.
Later, such as S33 step, check bit while detecting the diameter of the live part of the preform female rod 1
The diameter of bullet between live part and the lower end axle portion.
Preform female rod 1 can be formed by sedimentation, according to the supply of the time of depositing operation or unstrpped gas
Amount and depositing temperature, difference may be present in the live part of preform female rod 1 and the diameter of tapering body portion, if ignoring
The difference is stretched with identical temperature with speed, then difference, and one also occurs in the diameter of optical fiber prefabricated rod mandrel 2
Optical fiber prefabricated rod mandrel 2 is also drawn into non-uniform diameter according to position.
Therefore, in order to continuous production and have uniformity, preform female rod 1 is monitored in the present invention
Live part and bullet diameter determine tensile speed and heating location.
Fig. 8 is the structure chart of high temperature furnace.
Referring to Fig. 8, the high temperature furnace 400 includes columnar heater 420, ingress pipe 430, and is inserted into optical fiber prefabricating
Simultaneously optical fiber prefabricated rod mandrel 2 is discharged in stick female rod 1 and to the lower part side stretching, and wherein ingress pipe 430 is to the top of the heater 420
Side extends.
The high temperature furnace 400 further include: the first image part 440, shooting are inserted in the preform of the ingress pipe 430
The image of the live part lower part of female rod 1；Second image part 450 shoots the optical fiber prefabricating being discharged from the positive bottom of high temperature furnace 400
The image of rod mandrel 2.
Image data can be obtained in image of first image part 440 for the second image part 450 shooting same position.
It, can be from the Image detection optical fiber prefabricating obtained by first image part 440 in the state that above-mentioned Fig. 5 is shown
The live part of stick female rod 1 and the outer diameter size of bullet.
The outer diameter size of the live part and bullet is to determine the rate of climb or the second chuck of high temperature furnace 400
An important factor for 500 decrease speed.In this way, the decision of the movement speed for high temperature furnace 400 or the second chuck 500, it can
By using, automatic control portion (not shown) judges image and the value set determines.
It is driven as shown in Fig. 2, high temperature furnace 400 and the second chuck 500 drive upside down about the second portion 410 and by first respectively
Dynamic portion 510 is incorporated into tower portion 100, and can determine movement speed according to the control of the control device.
For example, the diameter for having fraction of the preform female rod 1 detected by first image part 440 is greater than base
In the case where collimating diameter, the controllable high temperature furnace 400 in automatic control portion moves up speed and is slower than reference speed；On the contrary, live part
Diameter be less than datum diameter in the case where, then that improves high temperature furnace 400 moves up speed.
Later, it in S34 step, is obtained using the second image part 450 to 400 outside of high temperature furnace is convex and is fixed on the second chuck
The image of 500 lower end axle portion, the image obtained at this time can be detected the angle of lower end axle portion by automatic control portion.
Uniaxial direct tensile in the state that if the angle of axle portion is in direction not perpendicular to the ground in lower end, preform
Plug 2 may occur in which buckling phenomenon.
So that second chuck 500 is not moved, until the angle of the lower end axle portion shot by second image part 450
Until degree is perpendicular to ground.At this point, the heater 420 of high temperature furnace 400 generates heat, and one of fused optic fiber prefabricated rods female rod 1
By the lower recanalization angle of lower end axle portion while dividing, according to the speed set in the state that in lower part, axis is perpendicular to the ground
Move down second chuck 500.
During second chuck 500 persistently moves down, the high temperature furnace 400 is moved up.In this regard, adding first
The lower side of the live part of heat and stretching optical fiber prefabricated rods female rod 1, later gradually to the top sidesway of preform female rod 1
It is stretched while dynamic, compared to whole heating and the existing method of stretching optical fiber prefabricated rods female rod 1, it can be ensured that stretch
Uniformity, and selectively the part of fusion drawn can reduce metaboly to greatest extent.
Later in S35 step, according to at the beginning of the drawing process of above-mentioned decision point with high temperature furnace 400 and
The movement speed of second chuck 500, mobile high temperature furnace 400 and the second chuck 500.
At this point, the preform female rod 1 is in upper end axle portion and lower end axle portion respectively at the first chuck 300 and second
Chuck 500 combines state of rotation, and can equably be melted by the heat of the heater 420 of high temperature furnace 400.
State in Fig. 6 and Fig. 7 at this time to show.
Conical body portion is detected in the image shot by first image part 440 while carrying out the S35 step
Diameter, the diameter of the optical fiber prefabricated rod mandrel 2 of stretching is detected in the image shot by the second image part 450.
Diameter for the conical body portion detected in the image that is shot by first image part 440, with aimed dia
It is compared, becomes the principal element for determining the rate of climb of high temperature furnace 400；In the image shot by the second image part 450
The diameter of the optical fiber prefabricated rod mandrel 2 detected become determine the second chuck 500 move down speed.
If the diameter of optical fiber prefabricated rod mandrel 2 is less than datum diameter, reduce the second chuck 500 moves down speed,
If bigger than datum diameter, that improves the second chuck 500 moves down speed.
As described above, the utility model is using a pair of of image part, and using the automatic control portion from being obtained by image part
The rising and the decrease speed of the second chuck of image adjustment high temperature furnace 400, and then the stretchable light with more uniform diameter
Fine prefabricated rod mandrel 2.
As shown in fig. 7, if completing to stretch, the top of the fixed optical fiber prefabricated rod mandrel 2 of clamper 600, later by operation
Person separates optical fiber prefabricated rod mandrel 2.
Fig. 9 is the structure chart in lifting device portion；Figure 10 is the optical cable in lifting device portion.
Fig. 9 and Figure 10 are respectively referred to, lifting device portion 200 includes: right angle setting preform female rod 1 or predispersed fiber
The elevator 210 of rod mandrel 2 processed；Make the elevator 210 with guide portion 230 moving up and down in the state of anticreep；Upwards
Or move down the driving portion 220 of the elevator 210；It guides the power transmission of the driving portion 220 to the lifting
The band guide portion 240 of the band 250 of machine 210.
The guide portion 230 is at least divided into 3 structures with can be with guide portion 240 with up and down direction.
By the guide portion 230 with single structure is respectively formed with guide portion 240, carrying and installation exercise
It is extremely difficult, and length is too long, buckling phenomenon can occurs in a part.
If bending in the guide portion 230 or a part with guide portion 240, elevator 210 can be bent
Part is vibrated, which is conveyed by fastening port and fasten the light of one end of central axis in the inside upper part in elevator 210
Fine prefabricated rods female rod 1 perhaps optical fiber prefabricated rod mandrel 2 therefore can damaged preform female rod 1 or optical fiber prefabricated rod mandrel
2。
To solve the above-mentioned problems, the guide portion 230 of the utility model at least can be by 3 portions with guide portion 240
Part (A, B, C's) is bonded.
But if the interconnecting piece of the joint method bonding part component (A, B, C) with welding etc., outside can be made uneven
It is sliding.Moreover, can be vibrated when elevator 210 is by coupling part, therefore the section components (A, B, C) of the utility model are
It is chimeric to form.
It is configured with insertion protrusion 231 in the end of the guide portion 230 of the side section components (A), in drawing for section components (B)
It leads portion 230 and forms insertion groove 232, and then be mutually fitted into two section components (A, B), so that the portions of the guide portion 230
Part (A, B) can be mutually fitted into.
Hereby it is possible to make the coupling part of guide portion 230 keep smooth surface, therefore can when elevator 210 is mobile
Prevent vibration.In order to firmly combine two section components (A, B), the guidance is supported using bracket 260 is fixed
Portion 230 and the plate 270 with guide portion 240.
In addition, described be disengaged from the groove 242 configured with the anti-of anti-stop-band 250 disengaging with guide portion 240, and can be along band guide portion
240 length direction forms multiple perforated portions 241, and then can reduce weight while keeping the rigidity with guide portion 240.
The driving portion 220 can include: motor is conveyed with by the driving force of the motor in the gear of the band 250.
It is described to prevent that being disengaged from the groove 242 is to use for the purpose of being detached to prevent stop-band 250, and prevent by driving portion 220
The vibration that motor occurs is conveyed in band 250.
As described above, the utility model transports preform using elevator 210 with the direction perpendicular to ground upwards
Female rod 1, or transport the optical fiber prefabricated rod mandrel 2 produced downwards with the direction perpendicular to ground, and prevent from vibrating at this time
Occur, and then preform female rod 1 or optical fiber prefabricated rod mandrel 2 can be prevented damaged.
In the state that the elevator 210 moves up, operator separates preform female rod in elevator 210
1, and movement is installed to the first chuck 300.
Figure 11 is the detailed structure view of the elevator 210.
Referring to Fig.1 1, the elevator 210 suitable for the utility model includes: fixed part 211, in preform female rod 1
Upper side axle portion block holding section 3 to fix preform female rod 1；First support plate 212, supports the preform
The upper end of fixed optical fiber prefabricated rod mandrel 2 while the central portion of female rod 1；Second support plate 216, supports the optical fiber prefabricating
The lower end of fixed optical fiber prefabricated rod mandrel 2 while the lower side axle portion of stick female rod 1.
The insertion hole of insertion optical fiber prefabricated rod mandrel 2 is respectively included in first support plate 212 and the second support plate 216
213,217, first support plate 212 includes the opening block 214 that can open insertion hole 213, and further include can fix it is described
The fixed part 215 of open block 214.
In this way, the elevator 210 for being suitable for the utility model all include can fix the tool of preform female rod 1 with can
The tool of fixed optical fiber prefabricated rod mandrel 2.
In order to fix optical fiber prefabricated rod mandrel 2, the lower end of optical fiber prefabricated rod mandrel 2 is inserted in the second support by operator
The insertion hole 217 of plate 216, and upright optical fiber prefabricated rod mandrel 2 is inserted in the insertion hole 213 of the first support plate 212, later
Open block 214 is covered to prevent optical fiber prefabricated rod mandrel 2 to be detached from.
Elevator 210 as described above be for the lower to upper part loading fiber prefabricated rods female rod 1 in tower portion 100, from
Top unloads optical fiber prefabricated rod mandrel 2 to the lower part, due to identical position carry out optical fiber prefabricated rod mandrel 2 loading and
The unloading of optical fiber prefabricated rod mandrel 2, therefore reduce operator and take up space, productivity can be improved.
Figure 12 be can flexible Application be suitable for the utility model elevator the advantages of system plan view.
Referring to Fig.1 2, the stretching device of the utility model of multiple structures as described above is set, and sets towards center
The lifting device portion 200 is set, and then optical fiber can be recycled in a position supply preform female rod 1 and a position
Prefabricated rod mandrel 2, wherein preform female rod 1 is supplied in whole stretching devices respectively, and the optical fiber prefabricated rod mandrel 2 is
It is fabricated in each stretching device,
It is filled as described above, being managed collectively the preform female rod 1 to be supplied in multiple stretching devices with by multiple stretchings
The optical fiber prefabricated rod mandrel 2 being fabricated is set, there is no need to transport optical fiber prefabricated rod mandrel 2 to be used to distribute, therefore can be reduced
A possibility that preform female rod 1 is damaged.In addition, (heat treatment etc.) optical fiber prefabricated rod mandrel 2 is recycled and loaded at one,
Therefore the efficiency of operation can be improved.
This is because the " loaded " position and optical fiber preform core of the preform female rod 1 of the stretching device of the utility model
The unloading position of stick 2 is identical can to realize said effect.
The multiple stretching device is poor at the time point interval to each technique of progress, can make minimum operation then by light
Fine prefabricated rods female rod 1 is supplied in multiple stretching devices and recycling optical fiber prefabricated rod mandrel 2.
As described above, the preform female rod 1 transported upwards is fixed on the first chuck 300.
At this point, the second chuck 500 is completely in the state moved down with high temperature furnace 400.
First chuck 300 can not move up and down, and with the fixed preform female rod 1 of rotatable state, and
Second chuck 500 and high temperature furnace 400 are structures moving up and down.
High temperature furnace 400 and the second chuck 500, which drive upside down portion 410 by first respectively and drive upside down portion 510 with second, to be consolidated
It is scheduled on tower portion 100.Described first, which drives upside down portion 410 and second, drives upside down portion 510 respectively common structure can be used, such as
The driving instrument of motor etc. and track etc..
Figure 13 is another case study on implementation structure chart of the elevator suitable for the utility model.
Referring to Fig.1 3, it is not used the example of the structure shown in Figure 11 suitable for the elevator 210 of the utility model
Open block 214, but the insertion hole of 2 upper end of optical fiber prefabricated rod mandrel of the first support plate 212 of insertion is replaced by insertion groove 218
213, and including fixing belt 219, to prevent the disengaging for the optical fiber prefabricated rod mandrel 2 for being inserted in insertion groove 218.
As described previously for the elevator 210 of the utility model is suitable for, as long as securely fixing preform mother
Stick 1 or optical fiber prefabricated rod mandrel 2 are come the structure that moves up and down, the applicable any knot unrelated with specific structure
Structure.Preferably, configuration is formed with two support plates for being inserted into hole up and down, fixes in the insertion hole configured up and down and is inserted into predispersed fiber
Rod mandrel 2 processed.
The utility model is not limited to the above embodiments, and can be carried out in the range of the technical essential without departing from the utility model
Various modifications, deformation.
Claims (13)
1. a kind of stretching device of optical fiber prefabricated rod mandrel, which is characterized in that including
Tower portion (100) is extended from ground with vertical direction；
The one side in the tower portion (100) is arranged in lifting device portion (200), and it is female to transport preform vertically upward
The optical fiber prefabricated rod mandrel (2) produced is stretched while stick (1) vertically downward；
First chuck (300) configures the face side in the tower portion (100), with the fixed predispersed fiber transported of rotatably state
The upper end of stick female rod (1) processed；
High temperature furnace (400), be located at first chuck (300) lower side come heating optical fiber preform female rod (1), and can on
Lower movement；
Second chuck (500) is rotatably fixed the lower end of preform female rod (1) in the lower part of the high temperature furnace (400)
While can move up and down and carry out stretching optical fiber prefabricated rods female rod (1), and then manufacture optical fiber prefabricated rod mandrel (2).
2. the stretching device of optical fiber prefabricated rod mandrel according to claim 1, which is characterized in that
First chuck (300) is fixed on the tower portion (100) and does not move；
The high temperature furnace (400) and second chuck (500) drive upside down portion (410) and about second by first respectively
Driving portion (510) is fixed on the tower portion (100) and individually moves up and down.
3. the stretching device of optical fiber prefabricated rod mandrel according to claim 2, which is characterized in that
In the upper end axle portion of first chuck (300) fixed preform female rod (1), the high temperature furnace (400) and the
Two chucks (500) do not move down not disturbedly.
4. the stretching device of optical fiber prefabricated rod mandrel according to claim 2, which is characterized in that
During stretching optical fiber prefabricated rods female rod (1), the high temperature furnace (400) is moved up, and the second chuck (500) to
Lower movement.
5. the stretching device of optical fiber prefabricated rod mandrel according to claim 1, which is characterized in that
The high temperature furnace (400) includes: columnar heater (420)；Ingress pipe (430), Xiang Suoshu heater (420) it is upper
Portion side extends；First image part (440), shooting are inserted in effective portion of the preform female rod (1) of the ingress pipe (430)
Divide the image of lower part；Second image part (450) shoots the optical fiber prefabricated rod mandrel (2) in the positive bottom stretching of high temperature furnace (400)
Image.
6. the stretching device of optical fiber prefabricated rod mandrel according to claim 5, which is characterized in that further include:
Automatic control portion determines the high temperature furnace from the Image detection of first image part (440) and second image part (450)
(400) with the movement speed of the second chuck (500) and controlled.
7. the stretching device of optical fiber prefabricated rod mandrel according to claim 6, which is characterized in that
The automatic control portion,
Before drawing process starts, the diameter of the preform female rod (1) shot by first image part (440) is detected
To determine the movement speed of high temperature furnace (400)；
It is described to determine to detect the diameter of preform female rod (1) conical body portion shot by first image part (440)
The movement speed of second chuck (500).
8. the stretching device of optical fiber prefabricated rod mandrel according to claim 6, which is characterized in that
The automatic control portion,
When starting drawing process, detect under the preform female rod (1) detected by second image part (450)
Portion's shaft angle degree, to determine the movement speed of second chuck (500).
9. the stretching device of optical fiber prefabricated rod mandrel according to claim 6, which is characterized in that
The automatic control portion,
During drawing process, according to the straight of the optical fiber prefabricated rod mandrel (2) detected by second image part (450)
Diameter determines the movement speed of the second chuck (500).
10. the stretching device of optical fiber prefabricated rod mandrel according to claim 1, which is characterized in that
The lifting device portion (200) includes:
Elevator (210), fixed preform female rod (1) or optical fiber prefabricated rod mandrel (2)；
Guide portion (230) moves up and down the elevator (210) in the state of anticreep；
Driving portion (220) generates power to move up the elevator (210)；
Band guide portion (240) is guided the band of the power transmission of the driving portion (220) to the elevator (210).
11. the stretching device of optical fiber prefabricated rod mandrel according to claim 10, which is characterized in that
The guide portion (230) be divided into guide portion (240) with up and down direction it is multiple.
12. the stretching device of optical fiber prefabricated rod mandrel according to claim 11, which is characterized in that
The elevator (210) includes:
Target rod fixed part (211) blocks holding section (3) in the upper axis of preform female rod (1) to fix preform
Female rod (1)；
First support plate (212) fixes optical fiber prefabricated rod mandrel while supporting the central portion of the preform female rod (1)
(2) upper end；
Second support plate (216) fixes optical fiber preform core while supporting the lower part axle portion of the preform female rod (1)
The lower end of stick (2)；
Wherein, insertion optical fiber prefabricated rod mandrel (2) is respectively included in first support plate (212) and the second support plate (216)
Insertion hole (213,217), first support plate (212) includes the opening block (214) of open insertion hole (213), and also
Fixed part (215) including the fixation open block (214).
13. the stretching device of optical fiber prefabricated rod mandrel according to claim 11, which is characterized in that
The elevator (210) includes:
Target rod fixed part (211) blocks holding section (3) in the upper axis of preform female rod (1) to fix preform
Female rod (1)；
First support plate (212) fixes optical fiber prefabricated rod mandrel while supporting the central portion of the preform female rod (1)
(2) upper end；
Second support plate (216) fixes optical fiber preform core while supporting the lower part axle portion of the preform female rod (1)
The lower end of stick (2)；
Wherein, insertion optical fiber prefabricated rod mandrel (2) is respectively included in first support plate (212) and the second support plate (216)
Insertion groove (218) and insertion hole (217), and further include the insertion groove for preventing from being inserted in first support plate (212)
(218) band (219) that optical fiber prefabricated rod mandrel (2) is detached from.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170086571A KR101817944B1 (en) | 2017-07-07 | 2017-07-07 | Stretching device fo optical fiber preform |
| KR10-2017-0086571 | 2017-07-07 | ||
| KR10-2017-0089741 | 2017-07-14 | ||
| KR10-2017-0089736 | 2017-07-14 | ||
| KR1020170089736A KR101817945B1 (en) | 2017-07-14 | 2017-07-14 | Loading and unloading device of optical fiber preform stratching equipment |
| KR1020170089741A KR101817946B1 (en) | 2017-07-14 | 2017-07-14 | Stretching device fo optical fiber preform and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208632383U true CN208632383U (en) | 2019-03-22 |
Family
ID=65736190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821052245.9U Active CN208632383U (en) | 2017-07-07 | 2018-07-04 | The stretching device of optical fiber prefabricated rod mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208632383U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432436A (en) * | 2021-07-01 | 2021-09-24 | 浙江富通光纤技术有限公司 | Machining process of core rod |
| CN113651526A (en) * | 2021-08-02 | 2021-11-16 | 富通集团（嘉善）通信技术有限公司 | Machining process of core rod |
-
2018
- 2018-07-04 CN CN201821052245.9U patent/CN208632383U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432436A (en) * | 2021-07-01 | 2021-09-24 | 浙江富通光纤技术有限公司 | Machining process of core rod |
| CN113651526A (en) * | 2021-08-02 | 2021-11-16 | 富通集团（嘉善）通信技术有限公司 | Machining process of core rod |
| CN113651526B (en) * | 2021-08-02 | 2023-02-10 | 富通集团（嘉善）通信技术有限公司 | Machining process of core rod |
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