CN205643936U - Periodic polarization anchor clamps of pneumatic type lithium niobate crystal - Google Patents
Periodic polarization anchor clamps of pneumatic type lithium niobate crystal Download PDFInfo
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- CN205643936U CN205643936U CN201620372032.9U CN201620372032U CN205643936U CN 205643936 U CN205643936 U CN 205643936U CN 201620372032 U CN201620372032 U CN 201620372032U CN 205643936 U CN205643936 U CN 205643936U
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- fixture
- clamping plate
- anchor clamps
- lithium columbate
- columbate crystal
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Abstract
The utility model discloses a periodic polarization anchor clamps of pneumatic type lithium niobate crystal, including the left splint of anchor clamps, anchor clamps right side splint, metal electrode board, set up respectively on anchor clamps left sides splint and anchor clamps right sides splint and between the two poles of the earth formation liquid electrode chamber the two poles of the earth of metal electrode board, these anchor clamps still include anchor clamps support, piston cylinder, clamp plate and ejector pin, the anchor clamps support be U type structure, the anchor clamps left sides splint that have pressed from both sides the lithium niobate crystal and anchor clamps right sides splint are whole places the position of keeping right in the centre of anchor clamps support, on anchor clamps right side splint rear side supported the medial surface on anchor clamps support right side, the right side of clamp plate was supported on the left surface of anchor clamps left sides splint, the clamp plate left side is connected with the ejector pin, the outer end connection piston cylinder of ejector pin. The utility model has the advantages of: realize pressing from both sides tight taking off with the pine and slowly steadily go on, effectively avoid strikeing, increase the degree of accuracy of operation, reduced the requirement to operating personnel.
Description
Technical field
This utility model relates to polarization clamp technical field, particularly relates to a kind of pneumatic type lithium columbate crystal periodic polarized
Fixture.
Background technology
At lithium columbate crystal, there is the electric light of a series of uniqueness, acousto-optic, bullet light, piezoelectricity, pyroelectricity, ferroelectricity and nonlinear optical
Learning characteristic, this makes it become one of material of most captivation in the application such as electric light, acousto-optic and device for non-linear optical.Based on
The periodically poled lithium niobate (PPLN) of quasi-phase matching, can effectively utilize the nonlinear factor d that Lithium metaniobate is maximum33
(25.2pm/V), it is widely used to frequency multiplication/aspect such as the optical parameter process such as difference frequency, optical parametric oscillation and THz ripple generation, at light
The communications field, especially wavelength conversion, all-optical switch aspect, also have broad application prospects.
But, realize being used when lithium columbate crystal is periodic polarized by electric field poling and use fluid electrode at present
Polarization frock there is the problems such as uneven, the inconvenient operation of pressure.
As it is shown in figure 1, current polarization instrument includes: the left clamping plate 2 ' of fixture, the second O 3 ', alignment pin 4 ', an O
The right clamping plate 7 ' of type circle 5 ', lithium columbate crystal 6 ', fixture, metal electrode board 8 ', metal electrode tightening nut 9 ', binding post 10 ',
Line ball nut 11 ', fishbolt 16 ', binding nut 17 '.Two panels metal electrode board 8 ' is separately fixed at the left clamping plate 2 ' of fixture
Right side and the left side of the right clamping plate 7 ' of fixture, concrete, the outside of metal electrode board 8 ' has a bolt arrangement, left side metal electrode
The bolt arrangement of plate 8 ' and the bolt arrangement of right side metal electrode board 8 ' are each passed through the left clamping plate of fixture 2 ' and the right clamping plate 7 ' of fixture,
Bolt arrangement through the left clamping plate of fixture 2 ' and the right clamping plate 7 ' of fixture is locked by the metal electrode tightening nut 9 ' of corresponding side respectively.
Two binding posts 10 ' are respectively fitted over the metal electrode tightening nut 9 ' outside of both sides bolt arrangement, and two line ball nuts 11 ' divide
It is not enclosed within the outside of the binding post 10 ' of both sides bolt arrangement, binding post 10 ' is locked.Height connected by both sides binding post 10 '
The two poles of the earth of voltage source, line ball nut 11 ' compresses and makes its good connection kept with both sides metal electrode board 8 '.Lithium columbate crystal 6 '
It is clipped in the middle of two panels metal electrode board 8 ', the left clamping plate of fixture 2 ' and the right clamping plate 7 ' of fixture.Electricity for lithium columbate crystal 6 ' two sides
Territory, polar region has good sealing property, and lithium columbate crystal 6 ' both sides respectively and are passed through between the left clamping plate 2 ' of fixture and the right clamping plate 7 ' of fixture
First O 5 ' pinch seal.The left clamping plate 2 ' of fixture and the right clamping plate of fixture 7 ' compressed part respectively and between metal electrode board 8 '
Divide and sealed by the second O 3 '.
Finally, position with two alignment pin 4 ' clamping plate left to fixture 2 ' and the right clamping plate 7 ' of fixture, and with four fishbolts
Left for fixture clamping plate 2 ' and the right clamping plate 7 ' of fixture are locked by 16 ' with corresponding binding nut 17 ', these four fishbolts 16 ' and folder
Jack panel 17 ' is evenly distributed on four angles of the left clamping plate of fixture 2 ' and the right clamping plate 7 ' of fixture and through the left clamping plate 2 ' of fixture
Clamping plate 7 ' right with fixture.
Current fixture is carried out by the elasticity between regulation fishbolt 16 ' and binding nut 17 ', is completely dependent on
The feel of operator holds dynamics, it is difficult to ensure the uniformity of pressure between clamping plate, and operating process is loaded down with trivial details, and be easily caused niobic acid
Crystalline lithium 6 ' fragment.Therefore, market being badly in need of a kind of machinery simple to operate, this device can be effectively ensured between clamping plate pressure
The uniformity of power, reduces the requirement to operator.
Summary of the invention
Technical problem to be solved of the present utility model is to provide a kind of pressure made suffered by lithium columbate crystal
Suitable and the uniform periodic polarized fixture of pneumatic type lithium columbate crystal.
This utility model solves above-mentioned technical problem by the following technical solutions:
A kind of periodic polarized fixture of pneumatic type lithium columbate crystal, including the left clamping plate of fixture, the right clamping plate of fixture, metal electrode
Plate, the two poles of the earth of described metal electrode board are separately positioned on the left clamping plate of fixture and the right clamping plate of fixture and form liquid between the two poles of the earth
Electrode cavity, also includes that fixture mount, piston cylinder, pressing plate and push rod, described fixture mount are U-shape structure, and fixture mount supports
Whole fixture, has pressed from both sides the left clamping plate of fixture of lithium columbate crystal and fixture right clamping plate entirety is positioned over what kept right in the centre of fixture mount
Position, is against on the medial surface on the right side of fixture mount on rear side of the right clamping plate of fixture, and the right side of pressing plate is against the left side of the left clamping plate of fixture
On face, being connected with push rod on the left of pressing plate, the outer end of push rod connects piston cylinder.
Further, described piston cylinder is cylinder.
Further, described pressing plate is connected with push rod spherical hinge.
Further, the outer end of described push rod has external screw thread, and the outer end of push rod screws in the spiral shell that the push rod of piston cylinder is arranged
In pit.
Further, described piston cylinder is provided with force value reading device and barometric control unit.
Further, described piston cylinder is additionally provided with throttling arrangement.
Further, the right side in the left side of the left clamping plate of fixture and the right clamping plate of fixture is evenly distributed with three support bars.
Further, the first O is also included, on the relative position in the left clamping plate of described fixture clamping plate right with fixture front
Being both provided with O groove, the first described O is placed in O groove.
Further, also including the second O, described metal electrode board is fixed respectively by metal electrode tightening nut
On the left clamping plate of fixture and the right clamping plate of fixture, metal electrode board compressed part respectively and between the left clamping plate of fixture and the right clamping plate of fixture
Divide and sealed by the second O.
Further, the front of the left clamping plate of described fixture or the right clamping plate of fixture is evenly arranged with three protruding roundlets
Post, the inner side of each small column is tangent with crystal to be dealt with, and the height of small column is not above two the first O and institute
Height after lithium columbate crystal three's pressurized to be processed and.
Further, also including two alignment pins, left for fixture clamping plate and the right clamping plate of fixture are positioned even by each alignment pin
Connect.
Further, described cylinder can be arranged on the left side of the left clamping plate of fixture can also be arranged on the right clamping plate of fixture
Right side.
The utility model has the advantage of:
(1) this utility model uses pneumatic means, and selection compressed gas is power source, realizes pressure by regulation air pressure big
Little control and quantization；The movement velocity of Pneumatic top bar is controlled, it is achieved clamp and get loose the most steadily by controlling gas flow rate
Carry out, be prevented effectively from impact, increase the accuracy of operation, reduce the requirement to operator.
(2) Pneumatic top bar in this utility model is connected by spherical hinge with pneumatic clamp, can be prevented effectively from processing essence
The pressure that degree error and installation accuracy error are caused is uneven, designs on the left of the left clamping plate of fixture and on the right side of the right clamping plate of fixture simultaneously
Equally distributed three support bars in Cheng Rao center, three support bars accept the pressure from pneumatic clamp, can be uniformly pressure
Power is assigned to lithium columbate crystal surrounding.
(3) this utility model the left clamping plate of fixture or be provided with uniformly in the front of the right clamping plate of fixture three protruding
Small column, the inner side of each small column is tangent with crystal, it is ensured that lithium columbate crystal is centrally disposed alignment position, and wants
Ask the height of small column not above the height after two the first O and crystal three's pressurized to be dealt with and, the most true
Protect crystal and be in plumbness.
(4) this utility model uses throttling arrangement, can effectively regulate air velocity, add Pneumatic top bar motion
The controllability of speed, so that cylinder is slowly retreated.
(5) this utility model uses two alignment pins, it is ensured that the left clamping plate of fixture and fixture right clamping plate centrosymmetry.
(6) in this utility model, pneumatic clamp is connected with Pneumatic top bar spherical hinge, it is ensured that its motility rotated, pneumatic top
Bar is threadedly secured on the push rod of cylinder is seesawed with ejecting rod of cylinder by self band, it is achieved the clamping of fixture with get loose.
Accompanying drawing explanation
Fig. 1 is existing fixture sectional view；
Fig. 2 is the sectional view of this utility model fixture；
Fig. 3 is the left clamping plate of the fixture in this utility model or the model front elevation of the right clamping plate of fixture；
Fig. 4 is the left clamping plate of the fixture in this utility model or the model back view of the right clamping plate of fixture.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
As in Figure 2-4, this utility model include the left clamping plate of fixture mount 1, fixture the 2, second O 3, alignment pin 4,
One O 5, lithium columbate crystal 6, the right clamping plate of fixture 7, metal electrode board 8, metal electrode tightening nut 9, binding post 10, pressure
Line nut 11, pneumatic clamp 12, Pneumatic top bar 13, cylinder 14, fluid electrode chamber 15, small column 18, support bar 19, O groove
20。
Fixture mount 1 is overall U-shaped, and fixture mount 1 Main Function is to provide for whole fixture to support.
Cylinder 14 is fixed on the left side of fixture mount 1.
Two panels metal electrode board 8 is separately fixed at right side and the left side of the right clamping plate of fixture 7 of the left clamping plate of fixture 2, concrete,
The outside of metal electrode board 8 has a bolt arrangement, the bolt arrangement of left side metal electrode board 8 and right side metal electrode board 8
Bolt arrangement is each passed through the left clamping plate of fixture 2 and the right clamping plate of fixture 7, and the bolt through the left clamping plate of fixture 2 and the right clamping plate of fixture 7 is tied
Structure is locked by the metal electrode tightening nut 9 of corresponding side respectively.
Two binding posts 10 are respectively fitted on the both sides bolt arrangement of metal electrode board 8 and are positioned at metal electrode tension
Outside nut 9, two line ball nuts 11 are respectively fitted over outside the binding post 10 of both sides bolt arrangement, are locked by binding post 10
Tightly.The two poles of the earth of high voltage power supply connected by both sides binding post 10, and line ball nut 11 compresses and makes it keep and both sides metal electrode board 8
Good connection.
Lithium columbate crystal 6 is clipped in the middle of the left clamping plate of fixture 2 and fixture right clamping plate 7 and is in two panels metal electrode board 8 and hits exactly
Between position.
Press from both sides the left clamping plate of fixture 2 of lithium columbate crystal 6 and fixture right clamping plate 7 entirety has been positioned over the centre of fixture mount 1 and has leaned on
Right position, is against on the medial surface on the right side of fixture mount 1 on rear side of the right clamping plate of fixture 7.
The right side of pneumatic clamp 12 is against on the left surface of the left clamping plate of fixture 2, with Pneumatic top bar 13 on the left of pneumatic clamp 12
Spherical hinge connects, it is ensured that its motility rotated.
The outer end of Pneumatic top bar 13 has external screw thread, and the outer end of Pneumatic top bar 13 screws in the screw thread that the push rod of cylinder 14 is arranged
In hole, on the Pneumatic top bar 13 push rod being threadedly secured in cylinder 14 by self band, seesaw with ejecting rod of cylinder, it is achieved folder
Tool clamping with get loose.
The left clamping plate of fixture 2 and the right clamping plate of fixture 7 are respectively arranged with O groove 20, lithium columbate crystal 6 both sides respectively with
By the first O 5 pinch seal between the left clamping plate of fixture 2 and the right clamping plate of fixture 7；The left clamping plate of fixture 2 and 7 points of the right clamping plate of fixture
Pressing section not and between metal electrode board 8 is sealed by the second O 3.First O 5 and the second O 3 all block to be put
In O groove 20.
After cylinder 14 promotes Pneumatic top bar 13 by clamp pressing, form two fluid electrodes in lithium columbate crystal 6 both sides
Chamber 15, injects conducting liquid by the filling opening on the left clamping plate of fixture 2 and the right clamping plate of fixture 7 and forms fluid electrode, fluid electrode
It is connected with the two poles of the earth of polarization power supply respectively by metal electrode board 8, it is achieved thereby that the uniform electric field of lithium columbate crystal 6 both sides.
As the technical scheme optimized, on the left of the left clamping plate of fixture 2 and it is designed to uniformly divide around center on the right side of the right clamping plate of fixture 7
Three support bars 19 of cloth, three support bars 19 are accepted the pressure from pneumatic clamp 12, can uniformly pressure be assigned to
Lithium columbate crystal 6 surrounding.
As the technical scheme optimized, the right side of the left clamping plate of fixture 2 or the left side of the right clamping plate of fixture 7 are evenly arranged with three
Protruding small column 18, the inner side of each small column 18 is tangent with lithium columbate crystal 6 to be dealt with, and the height of small column 18 is not
Can higher than the height after two the first O 5 and lithium columbate crystal to be dealt with 6 three's pressurized and.
This utility model specific operation process is as follows:
The first step, is fixed on the left side of fixture mount 1 by cylinder 14, and the outer end of Pneumatic top bar 13 screws in the push rod of cylinder 14
Arrange screwed hole in, the left end of Pneumatic top bar 13 by self band the push rod being threadedly secured in cylinder 14 on, the other end with
Pneumatic clamp 12 spherical hinge connects.Air pressure is transferred to allowable pressure, and this example selects 0.5-2.0MPa, and by the dress that throttles accordingly
Put regulation air velocity, make cylinder slowly retreat, then allow cylinder 14 return initial position, it is simple to the installation of subsequent parts.
Second step, is each passed through the bolt arrangement of left side metal electrode board 8 and the bolt arrangement of right side metal electrode board 8
The left clamping plate of fixture 2 and the right clamping plate of fixture 7, through the bolt arrangement of the left clamping plate of fixture 2 and the right clamping plate of fixture 7 respectively by corresponding side
Metal electrode tightening nut 9 is locked.In the left clamping plate of fixture 2 and fixture right clamping plate 7 difference before metal electrode tightening nut 9 locking
And the pressing section between metal electrode board 8 places the second O 3.So that metal electrode board 8 clamping plate left with fixture respectively
It is to seal between 2 and the right clamping plate of fixture 7.
Two binding posts 10 are respectively fitted on the both sides bolt arrangement of metal electrode board 8 and are positioned at metal by the 3rd step
Outside electrode tightening nut 9, two line ball nuts 11 are respectively fitted over outside the binding post 10 of both sides bolt arrangement, by terminals
Son 10 locking.After guaranteeing the two poles of the earth that high voltage power supply connected by both sides binding post 10, the compression of line ball nut 11 makes it keep and two
The good connection of side metal electrode board 8.
Two the first O 5 are respectively placed in the left clamping plate of fixture 2 and the O groove 20 of the right clamping plate of fixture 7 by the 4th step
In, the most again lithium columbate crystal 6 is positioned in the circular scope that three protruding duckpins 18 of the left clamping plate of fixture 2 surround,
Ensure that lithium columbate crystal 6 has been placed on center, righter for fixture clamping plate 7 are positioned by two alignment pins 4, and folder
Have left clamping plate 2 and be buckled together folder lithium columbate crystal 6 therebetween.
The above-mentioned left clamping plate of the fixture installed 2 and 7 liang of handss of the right clamping plate of fixture are clutched guarantee lithium columbate crystal 6 not by the 5th step
Can therefrom drop, entirety is placed into the relevant position, right side of fixture mount 1, allows cylinder 14 advance and makes the left clamping plate of fixture 2 and fixture
Right clamping plate 7 compress, and check the force value of cylinder 14 at any time and control barometric control unit to regulate pressure size to target
Pressure.
6th step, joins fluid electrode chamber by the filling opening of the left clamping plate of fixture 2 and the right clamping plate of fixture 7 by solution electrode
15。
7th step, making alive polarization on both sides binding post 10.
8th step, after having polarized, first outwells solution electrode, allows and returns initial position by left for fixture clamping plate after cylinder 14
2 and the right clamping plate of fixture 7 unclamp, take off the left clamping plate of fixture 2 and the right clamping plate of fixture 7, lithium columbate crystal 6 taken out.
Below the periodic polarized of a piece of lithium columbate crystal 6 is just completed.
The erection sequence of the first six step of above example can upset enforcement according to the custom of installation personnel.
Small column 18 in above-described embodiment can be arranged on the right clamping plate of fixture 7, and cylinder 14 can be arranged on folder
Has the right side of right clamping plate 7.Wherein cylinder can also use hydraulic cylinder.Wherein lithium columbate crystal 6 can also be that other needs polarization
Solid matter.
The foregoing is only the preferred embodiment that this utility model is created, not in order to limit this utility model wound
Make, any amendment, equivalent and the improvement etc. made within all spirit in this utility model creation and principle, all should comprise
Within the protection domain that this utility model is created.
Claims (10)
1. the periodic polarized fixture of pneumatic type lithium columbate crystal, including the left clamping plate of fixture, the right clamping plate of fixture, metal electrode
Plate, the two poles of the earth of described metal electrode board are separately positioned on the left clamping plate of fixture and the right clamping plate of fixture and form liquid between the two poles of the earth
Electrode cavity, it is characterised in that also include that fixture mount, piston cylinder, pressing plate and push rod, described fixture mount are U-shape structure, folder
The left clamping plate of fixture of lithium columbate crystal and fixture right clamping plate entirety are positioned over the position kept right in the centre of fixture mount, and fixture is right
Being against on rear side of clamping plate on the medial surface on the right side of fixture mount, the right side of pressing plate is against on the left surface of the left clamping plate of fixture, and pressing plate is left
Side is connected with push rod, and the outer end of push rod connects piston cylinder.
A kind of periodic polarized fixture of pneumatic type lithium columbate crystal the most according to claim 1, it is characterised in that: described
Piston cylinder is cylinder.
A kind of periodic polarized fixture of pneumatic type lithium columbate crystal the most according to claim 1, it is characterised in that:
Described pressing plate is connected with push rod spherical hinge.
A kind of periodic polarized fixture of pneumatic type lithium columbate crystal the most according to claim 1, it is characterised in that: described top
The outer end of bar has external screw thread, and the outer end of push rod screws in the screwed hole of push rod setting of piston cylinder.
A kind of periodic polarized fixture of pneumatic type lithium columbate crystal the most according to claim 1, it is characterised in that: described
Force value reading device and barometric control unit are installed on piston cylinder.
A kind of periodic polarized fixture of pneumatic type lithium columbate crystal the most according to claim 5, it is characterised in that: described
Throttling arrangement it is additionally provided with on piston cylinder.
A kind of periodic polarized fixture of pneumatic type lithium columbate crystal the most according to claim 1, it is characterised in that: at fixture
The right side of the left side of left clamping plate and the right clamping plate of fixture is evenly distributed with three support bars.
A kind of periodic polarized fixture of pneumatic type lithium columbate crystal the most according to claim 1, it is characterised in that: also include
First O, the relative position in the left clamping plate of described fixture clamping plate right with fixture front is both provided with O groove, described
First O is placed in O groove.
A kind of periodic polarized fixture of pneumatic type lithium columbate crystal the most according to claim 8, it is characterised in that: also include
Second O, described metal electrode board is separately fixed at the left clamping plate of fixture and the right folder of fixture by metal electrode tightening nut
On plate, metal electrode board pressing section respectively and between the left clamping plate of fixture and the right clamping plate of fixture is sealed by the second O.
A kind of periodic polarized fixture of pneumatic type lithium columbate crystal the most according to claim 8 or claim 9, it is characterised in that: institute
The left clamping plate of fixture stated or the front of the right clamping plate of fixture are evenly arranged with three protruding small columns, the inner side of each small column with
Crystal to be dealt with is tangent, and the height of small column is subject to less than two the first O and lithium columbate crystal three to be dealt with
Height after pressure and.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372032.9U CN205643936U (en) | 2016-04-28 | 2016-04-28 | Periodic polarization anchor clamps of pneumatic type lithium niobate crystal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372032.9U CN205643936U (en) | 2016-04-28 | 2016-04-28 | Periodic polarization anchor clamps of pneumatic type lithium niobate crystal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205643936U true CN205643936U (en) | 2016-10-12 |
Family
ID=57061682
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620372032.9U Active CN205643936U (en) | 2016-04-28 | 2016-04-28 | Periodic polarization anchor clamps of pneumatic type lithium niobate crystal |
Country Status (1)
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| CN (1) | CN205643936U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328804A (en) * | 2016-11-17 | 2017-01-11 | 河北建筑工程学院 | Multi-channel piezoelectric film polarization fixture |
| CN107769077A (en) * | 2017-11-13 | 2018-03-06 | 国家电网公司 | A kind of hot line maintenance unmanned plane based on multifunctional base |
| CN110286146A (en) * | 2019-06-18 | 2019-09-27 | 北京航空航天大学 | A kind of lithium niobate base plate clamp and proton exchange method with detecting liquid level function |
-
2016
- 2016-04-28 CN CN201620372032.9U patent/CN205643936U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328804A (en) * | 2016-11-17 | 2017-01-11 | 河北建筑工程学院 | Multi-channel piezoelectric film polarization fixture |
| CN107769077A (en) * | 2017-11-13 | 2018-03-06 | 国家电网公司 | A kind of hot line maintenance unmanned plane based on multifunctional base |
| CN110286146A (en) * | 2019-06-18 | 2019-09-27 | 北京航空航天大学 | A kind of lithium niobate base plate clamp and proton exchange method with detecting liquid level function |
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