CN110488444A - A kind of plano-convex lens are to assembling device of feeling at ease - Google Patents
A kind of plano-convex lens are to assembling device of feeling at ease Download PDFInfo
- Publication number
- CN110488444A CN110488444A CN201810029957.7A CN201810029957A CN110488444A CN 110488444 A CN110488444 A CN 110488444A CN 201810029957 A CN201810029957 A CN 201810029957A CN 110488444 A CN110488444 A CN 110488444A
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- CN
- China
- Prior art keywords
- guide rod
- pilot hole
- plano
- convex lens
- feeling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
To assembling device of feeling at ease, the mounting device is felt relieved cylinder before including: for a kind of plano-convex lens；After feel relieved cylinder, it is described after the rear end of centering cylinder be guide rod；Pedestal, the pedestal centre are equipped with pilot hole, and the guide rod is located in the pilot hole and can slide in the pilot hole, and the outer wall of the guide rod is matched with the inner wall of the pilot hole；Centering cylinder and the pedestal are coaxially to the heart after described；Magnet is housed on guide rod or pilot hole hole wall；The magnet coil is connected with guide rod bias amount control circuit；Eccentric amount control circuit contains displacement detecting circuit, which is converted to control signal by the controller being connected with displacement detecting circuit, the drive magnet after power amplifier amplifies, and realizes automatic centering of the guide rod in pilot hole hole wall.The medicine have the advantages that structure is simple, guiding accuracy is high, reduces vibration and noise, reduces the abrasion of guide rod and pilot hole hole wall, reduces maintenance cost.
Description
Technical field
The present invention relates to a kind of plano-convex lens to realize that guide rod exists by magnetic suspension to assembling device of feeling at ease, more particularly to one kind
The plano-convex lens felt relieved in pilot hole hole wall are to assembling device of feeling at ease.
Background technique
Existing plano-convex lens are directly to contact to the friction pair felt at ease between assembling device guide rod and pilot hole hole wall
Formula, between pilot hole hole wall and guide rod there are gap, in motion process, pilot hole hole wall and guide rod are prone to partially
The heart, guiding accuracy is lower, and vibration and noise is larger.
Summary of the invention
The present invention mainly solves plano-convex lens in assembling device of feeling at ease, and pilot hole hole wall and guide rod are prone to partially
The heart, guiding accuracy is lower, the biggish deficiency of vibration and noise, to develop a kind of guide rod automatic centering in pilot hole hole wall
Plano-convex lens to assembling device of feeling at ease.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals: a kind of plano-convex lens are to the heart
Mounting device, for by plano-convex lens to feeling at ease in the lens drum, which is characterized in that the mounting device includes:
Preceding centering cylinder, it is described before centering cylinder upper surface be equipped with first annular spherical surface, the first annular spherical surface with it is described
The spherical surface of plano-convex lens is worked in coordination, and can't be contacted with the center light passing region of the spherical surface of plano-convex lens, the plano-convex lens
Guarantee is overlapped coaxially to the heart by mating surface with the preceding centering cylinder；The lower surface of centering cylinder is equipped with the second spherical surface before described；
After feel relieved cylinder, it is described after centering cylinder be located at it is described before centering cylinder rear, it is described after centering cylinder front end be equipped with
The third spherical surface that second spherical surface matches, cylinder of feeling relieved before described are overlapped realization together by mating surface with the rear centering cylinder
Axis is to the heart；The rear end of centering cylinder is guide rod after described；
Pedestal, the pedestal centre are equipped with pilot hole, and the guide rod is located in the pilot hole and can be in the guiding
It is slided in hole, the outer wall of the guide rod is matched with the inner wall of the pilot hole；Centering cylinder and the pedestal are coaxial after described
To the heart；
Pressure exerting arrangement, the pressure exerting arrangement are arranged in the pilot hole, and the pressure exerting arrangement is described rear fixed by pushing
Heart cylinder exerts a force to the preceding centering cylinder and the plano-convex lens, so that the work of centering cylinder and the plano-convex lens in pressure before described
With glide backward feel relieved cylinder axle center；
Positioning mechanism, the lens drum are fixedly connected with the base by positioning mechanism, so that the lens drum and institute
Pedestal is stated coaxially to the heart；
Several magnet are housed on guide rod or pilot hole hole wall；The magnet coil and guide rod bias amount control circuit phase
Connection；Eccentric amount control circuit contains displacement detecting circuit, and the controller being connected with displacement detecting circuit turns the displacement signal
It is changed to control signal, the drive magnet after power amplifier amplifies controls guide rod displacement.
Using the above scheme, guide rod self-centering in pilot hole hole wall is realized by magnetic suspension, structure is simple, guiding
Precision is high, reduces vibration and noise, reduces the abrasion of guide rod and pilot hole hole wall, reduces maintenance cost.
Preferably, displacement detecting circuit include several arrangements on the guide bar or the sensor on pilot hole hole wall,
The displacement signal of sensor output is input to controller after displacement conversion circuit transformation, is converted into control signal by controller,
The drive magnet after power amplifier amplifies controls guide rod displacement.Guide rod is detected using sensor in this programme
Relative to the displacement of pilot hole hole wall, guide rod self-centering in pilot hole hole wall is realized.
Preferably, displacement detecting circuit is used as test signal using pulse-width signal, tests in signal and be loaded with displacement
Information is input to controller after transformed, which is converted to control signal by controller, after power amplifier amplifies
Drive magnet controls guide rod displacement.In the present solution, sensor is not used, using pulse-width signal as test
Signal extracts displacement information from test signal, realizes guide rod self-centering in pilot hole hole wall.
Preferably, displacement detecting circuit is by band-pass circuit, level-one amplifying circuit, differential detection circuit, demodulator circuit, low
Bandpass filter circuit successively forms, and displacement detecting circuit is using high frequency small-signal as test signal.In the present solution, not using sensing
Device extracts displacement information from test signal using high frequency small-signal as test signal, realizes guide rod in pilot hole hole wall
Middle self-centering.
Preferably, magnet is arranged symmetrically on guide rod or pilot hole hole wall.Between guide rod and pilot hole hole wall
Radial forces autobalance realizes guide rod self-centering in pilot hole hole wall.
Preferably, being equipped with bracket on pilot hole hole wall, the magnet is rack-mount.By bracket to magnetic circuit into
Row optimization.
Preferably, the magnet is electromagnet, electromagnet dress on the guide bar, on pilot hole hole wall with electromagnetism
Permanent magnet is housed on the corresponding position of iron.The permanent magnet is bar shaped.The direction of bar permanent magnet and guide rod are relative to leading
The direction of motion to hole hole wall is consistent.By changing the change of flux magnetic force of electromagnet, realize guide rod in pilot hole hole wall
Middle self-centering；When being not easy to installation electromagnet on pilot hole hole wall, on the guide bar by electromagnet dress, on pilot hole hole wall
Permanent magnet is housed on position corresponding with electromagnet, realizes guide rod self-centering in pilot hole hole wall.
Preferably, there is axially extending bore on the guide rod, the conducting wire of electromagnet passes through from through-hole.Avoid conducting wire from leading
Conducting wire and pilot hole hole wall collide when drawing outside to bar, the service life of extension lead.
Preferably, the magnet is electromagnet, the electromagnet on the pilot hole hole wall, on the guide bar with electromagnetism
Permanent magnet is housed on the corresponding position of iron.The permanent magnet is bar shaped.The direction of bar permanent magnet and guide rod are relative to leading
The direction of motion to hole hole wall is consistent.By changing the change of flux magnetic force of electromagnet, realize guide rod in pilot hole hole wall
Middle self-centering；When being not easy to installation electromagnet on guide rod, by electromagnet on the pilot hole hole wall, on the guide bar with electricity
Permanent magnet is housed on the corresponding position of magnet, realizes guide rod self-centering in pilot hole hole wall.
Therefore, real the medicine have the advantages that being controlled by guide rod bias amount control circuit guide rod displacement
Existing automatic centering of the guide rod in pilot hole hole wall, structure is simple, and guiding accuracy is high, reduces vibration and noise, reduces
The abrasion of guide rod and pilot hole hole wall, reduces maintenance cost.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the invention；
Attached drawing 2 is the sectional view of Fig. 1；
Attached drawing 3 is the guide rod displacement self-test schematic diagram of embodiment one；
Attached drawing 4 is the guide rod displacement self-test schematic diagram of embodiment two；
Attached drawing 5 is the guide rod displacement self-test schematic diagram of embodiment three.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:
As shown in Figure 1 and Figure 2, pilot hole hole wall 2 is provided with guide rod 5.Bracket 6, this reality are installed in pilot hole hole wall 2
It applies example and uses upper layer and lower layer, electromagnet 7 is housed on bracket 6.Electromagnet shown in Fig. 2 is U-shaped.Because the inductance of coil is guide rod
The function of displacement, therefore the voltage at its both ends is also the function of guide rod displacement.
As shown in figure 3, the circuit is by band-pass circuit 1a, level-one amplifying circuit 2a, differential detection circuit 3a, demodulator circuit
4a, low-pass filter circuit 5a composition.In the input terminal of the Linear Power Amplifier of magnet coil, a high-frequency signal is injected as guide rod position
The test signal set, the voltage at both ends is other than acting on ohmically DC component, and there are also the high-frequency signals on inductance
AC compounent.Band-pass circuit 1a is used to extract 0 ingredient of centre frequency ω containing guide rod displacement, filters out DC voltage and 2 ω 0
Above alternating voltage.The consequential signal generally detected is fainter, it usually needs after level-one amplifying circuit 2a amplification, up and down
Two paths of signals subtracts each other to obtain the sinusoidal signal containing centre frequency ω 0 by differential subtraction circuit 3a again, whole by demodulator circuit 4a
The DC voltage of pulsation is converted to after stream, then AC signal is filtered off by low-pass filter circuit 5a, can be obtained inclined with guide rod
The proportional DC voltage of heart amount.Direct current signal containing guide rod displacement, via controller 6a and 8a-1 couples of power amplifier
Guide rod displacement carries out closed-loop control, and the controller of the present embodiment uses PID controller.
In the present embodiment, sensor is not used, using high frequency small-signal as test signal, extracts position from test signal
Information is moved, realizes guide rod self-centering in pilot hole hole wall.
Embodiment 2:
Fig. 4 is guide rod eccentricity self-check system schematic diagram.The circuit is by biasing circuit, detection circuit and control electricity
Road three parts composition.
The signal that pulse-width signal (PWM) generating device 9a is generated is input in biasing circuit 10a, is produced in electromagnet
Raw bias magnetic field.Since electromagnet inductance coefficent is the function of guide rod displacement, the load of PWM is extracted from control electromagnet
It include guide rod displacement information in wave voltage (or electric current) ingredient.Since control electric current removes biasing in control voltage (electric current)
Outside the carrier component for the PWM that coil mutual inductance comes, there are also control electric current control electromagnet coil on generate voltage (including from
Electrification pressure).Therefore, controlling the resonance circuit 11a extraction that the voltage exported on electromagnet coil has to pass through detection system has
The PWM carrier signal of displacement information.By the signal of extraction after full-wave rectifying circuit 12a rectification, by low-pass filter circuit 5a-
2 become the low frequency signal containing guide rod displacement information.Control signal is converted to by controller again, through power amplifier 8a-2
Drive control electromagnet after amplification carries out closed-loop control to guide rod position.The controller 6a-2 of the present embodiment uses PID control
Device.
In the present embodiment, sensor is not used, using pulse-width signal as test signal, is extracted from test signal
Displacement information realizes guide rod self-centering in pilot hole hole wall.
Embodiment 3:
In the present embodiment, sensor is housed, using sensor detection guide rod relative to pilot hole on pilot hole hole wall
Guide rod self-centering in pilot hole hole wall is realized in the displacement of hole wall.
Fig. 5 is guide rod eccentricity self-check system schematic diagram.Electricity routing sensor 14a, controller 6a-3, power are put
Two 8a-4 of big one 8a-3 of device and power amplifier, displacement conversion circuit 13a composition.
When guide rod bias, sensor 14a detects displacement signal after displacement conversion circuit 13a conversion, through controlling
Device 6a-3 and power amplifier 8a-3 is transformed to control electric current, and the electromagnetic force of regulating magnet makes pilot hole hole wall and guide rod
Automatic centering.
If use while using permanent magnet and electromagnet in above-described embodiment, the iron core of electromagnet can use E sections
The heart.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (9)
1. a kind of plano-convex lens are to assembling device of feeling at ease, for being mounted in plano-convex lens in lens drum to feeling at ease, which is characterized in that institute
Stating mounting device includes:
The upper surface of preceding centering cylinder, cylinder of feeling relieved before described is equipped with first annular spherical surface, the first annular spherical surface and the plano-convex
The spherical surface of lens is worked in coordination, and can't be contacted with the center light passing region of the spherical surface of plano-convex lens, the plano-convex lens and institute
Centering cylinder is overlapped by mating surface and is guaranteed coaxially to the heart before stating；The lower surface of centering cylinder is equipped with the second spherical surface before described；
After feel relieved cylinder, it is described after centering cylinder be located at it is described before centering cylinder rear, it is described after centering cylinder front end be equipped with it is described
The third spherical surface that second spherical surface matches, it is described before centering cylinder with it is described after centering cylinder by mating surface be overlapped realization it is coaxial right
The heart；The rear end of centering cylinder is guide rod after described；
Pedestal, the pedestal centre are equipped with pilot hole, and the guide rod is located in the pilot hole and can be in the pilot hole
Sliding, the outer wall of the guide rod are matched with the inner wall of the pilot hole；Centering cylinder and the pedestal are coaxially to the heart after described；
Pressure exerting arrangement, the pressure exerting arrangement are arranged in the pilot hole, and the pressure exerting arrangement is by pushing the rear cylinder of feeling relieved
It exerts a force to the preceding centering cylinder and the plano-convex lens, so that the preceding centering cylinder and the plano-convex lens are under the effect of the pressure
The axle center of centering cylinder after sliding to；
Positioning mechanism, the lens drum are fixedly connected with the base by positioning mechanism, so that the lens drum and the bottom
Seat is coaxially to the heart；
Several magnet are housed on guide rod or pilot hole hole wall；The magnet coil is connected with guide rod bias amount control circuit
It connects；Eccentric amount control circuit contains displacement detecting circuit, and the controller being connected with displacement detecting circuit converts the displacement signal
To control signal, the drive magnet after power amplifier amplifies controls guide rod displacement.
2. plano-convex lens according to claim 1 are to assembling device of feeling at ease, it is characterised in that: displacement detecting circuit includes several
A arrangement is on the guide bar or the sensor on pilot hole hole wall, the displacement signal of sensor output are converted through displacement conversion circuit
After be input to controller, by controller be converted into control signal, the drive magnet after power amplifier amplifies, to guide rod be displaced
It is controlled.
3. plano-convex lens according to claim 1 are to assembling device of feeling at ease, it is characterised in that: displacement detecting circuit uses pulsewidth
Modulated signal tests in signal as test signal and is loaded with displacement information, be input to controller after transformed, and controller is by the position
Shifting signal is converted to control signal, the drive magnet after power amplifier amplifies, and controls guide rod displacement.
4. plano-convex lens according to claim 1 are to assembling device of feeling at ease, it is characterised in that: displacement detecting circuit is powered by band
Road, level-one amplifying circuit, differential detection circuit, demodulator circuit, low-pass filter circuit successively form, and displacement detecting circuit is using high
Frequently small signal is as test signal.
5. plano-convex lens according to claim 1 or 2 or 3 or 4 are to assembling device of feeling at ease, it is characterised in that: magnet is being oriented to
It is arranged symmetrically on bar or pilot hole hole wall.
6. plano-convex lens according to claim 1 or 2 or 3 or 4 are to assembling device of feeling at ease, it is characterised in that: pilot hole hole wall
On bracket is installed, the magnet is rack-mount.
7. according to plano-convex lens described in claims 1 or 2 or 3 or 4 to assembling device of feeling at ease, it is characterised in that: the magnet is electricity
Magnet, the electromagnet dress on the guide bar, are equipped with permanent magnet on pilot hole hole wall on position corresponding with electromagnet.
8. according to plano-convex lens as claimed in claim 7 to assembling device of feeling at ease, it is characterised in that: have on the guide rod axial logical
The conducting wire in hole, electromagnet passes through from through-hole.
9. according to plano-convex lens described in claims 1 or 2 or 3 or 4 to assembling device of feeling at ease, it is characterised in that: the magnet is electricity
Magnet, the electromagnet are equipped with permanent magnet on pilot hole hole wall on the guide bar on position corresponding with electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029957.7A CN110488444A (en) | 2018-01-01 | 2018-01-01 | A kind of plano-convex lens are to assembling device of feeling at ease |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029957.7A CN110488444A (en) | 2018-01-01 | 2018-01-01 | A kind of plano-convex lens are to assembling device of feeling at ease |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110488444A true CN110488444A (en) | 2019-11-22 |
Family
ID=68543141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810029957.7A Pending CN110488444A (en) | 2018-01-01 | 2018-01-01 | A kind of plano-convex lens are to assembling device of feeling at ease |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110488444A (en) |
-
2018
- 2018-01-01 CN CN201810029957.7A patent/CN110488444A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Sihui Yuancheng Machinery Technology Co. Ltd. Document name: Notification of Passing Preliminary Examination of the Application for Invention |
|
| PB01 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Yang Hao Document name: Notice of expiration of the time limit for the trial |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Yang Hao Document name: Deemed as a notice of withdrawal |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191122 |