CN108044808A - A kind of fixture for being used to process metal multiaspect scan prism - Google Patents
A kind of fixture for being used to process metal multiaspect scan prism Download PDFInfo
- Publication number
- CN108044808A CN108044808A CN201711295227.3A CN201711295227A CN108044808A CN 108044808 A CN108044808 A CN 108044808A CN 201711295227 A CN201711295227 A CN 201711295227A CN 108044808 A CN108044808 A CN 108044808A
- Authority
- CN
- China
- Prior art keywords
- prism
- automatically controlled
- shaft
- controlled turntable
- multiaspect scan
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/16—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by turning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/005—Devices for the automatic drive or the program control of the machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/04—Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work
Abstract
The invention discloses a kind of for processing the fixture of metal multiaspect scan prism, belong to optical processing technology field, more particularly to a kind of device for processing multiaspect scan prism, purpose is to solve the problems, such as that the angle precision when prior art processes multiaspect scan prism between each face is not high, the principle for stating the scheme of technology is, the corner of shaft is accurately controlled by autocollimatic straight light path and multifaceted prism calibrated bolck, since metal multiaspect scan prism mirror embryo to be processed and multifaceted prism calibrated bolck are mounted in same root shaft, therefore the angle precision of each side of multifaceted prism calibrated bolck can accurately be replicated.The processing of metal multiaspect scan prism can be completed independent of high precision numerical control shaft in the use of the technical program on two axis lathes, greatly improve processing efficiency, machining accuracy and processing uniformity.
Description
Technical field
The invention belongs to optical processing technology fields, and in particular to a kind of processing unit (plant) of multiaspect scan prism.
Background technology
Multiaspect scan prism has multiple reflectings surface, is the core light in the laser equipments such as scanner, duplicator, code reader
Learn device.It is typically mounted in the rotation axis of motor during use, is rotated by the high speed of multiaspect scan prism, it can be achieved that big model
It encloses, ultrahigh speed, scanned in high precision with the laser beam of high duplication, the factors such as angle precision, surface quality will directly affect
Scanning accuracy and effect, thus it is very high to the angle requirement on machining accuracy of its each reflecting surface.
The processing of country's multiaspect scan prism relies primarily on the numerically controlled lathe with shaft and realizes at present, can once process number
Measure limited, angle precision between each face is ensured that caused problem is that processing efficiency is low by the precision of numerical control shaft
Under, cost be difficult to control, angle precision it is poor, scanning effect it is bad；In addition homogeneity of product is poor during batch machining, seriously affects
To the stability of assembling equipment.
The content of the invention
It is an object of the invention to solve the angle precision between each face of the multiaspect scan prism of the prior art to be difficult to control
The problem of processed.
Specific technical solution is as follows：
A kind of fixture for being used to process metal multiaspect scan prism, including automatically controlled turntable support, mounted on automatically controlled turntable branch
The shaft of automatically controlled turntable, automatically controlled turntable on frame is arranged in the shaft and scans rib for clamping metal multiaspect to be processed
The clamping part of mirror mirror embryo, it is characterised in that：Further include multifaceted prism of the precision better than the design parameter of metal multiaspect scan prism
Calibrated bolck, autocollimatic straight light path, the multifaceted prism calibrated bolck are fixed in the shaft of automatically controlled turntable, multifaceted prism calibrated bolck
Cross section normal direction is parallel with the shaft of automatically controlled turntable；The autocollimatic straight light path is arranged on automatically controlled turntable support, is passed through
The incident light that the rotation shaft is sent from autocollimatic straight light path can vertical incidence to any one side of multifaceted prism calibrated bolck
Face.
Using above-mentioned fixture into row metal multiaspect scan prism process when, by automatically controlled turntable support clamping lathe work
On turntable, by metal multiaspect scan prism mirror embryo to be processed also clamping in the clamping part, made by the blessing portion
Metal multiaspect scan prism mirror embryo cross section normal direction is parallel with the shaft of automatically controlled turntable；The automatically controlled turntable is rotated, by institute
Any one side alignment autocollimatic straight light path of multifaceted prism calibrated bolck is stated, turning for the automatically controlled turntable is fixed with lockable mechanism
Axis；It gets on the bus in the metal multiaspect scan prism mirror embryo and cuts out a scanning plane；The automatically controlled turntable is rotated, it successively will be described more
Other sides alignment autocollimatic straight light path of face prism calibrated bolck, gets on the bus in metal multiaspect scan prism mirror embryo and cuts out remaining scanning
Face.
The fly cutter turning technology of two axis or more than single-point diamond lathe can be used to complete for the lathe of the processing method.For
Metal multiaspect scan prism mirror embryo first can be fabricated to the metal polyhedron that angular error is less than 2 degree, then by reduction cutting output
With diamond fly cutter turning technology optical surface is directly lathed according to above-mentioned technical proposal.
Above-mentioned technical proposal can also the turning on a longer metal multiaspect scan prism mirror embryo, all add with all sides
After work is good, multiple metal multiaspect scan prisms are directly obtained by cutting technique.
In above-mentioned technical proposal：The multifaceted prism calibrated bolck is better than the design parameter of metal multiaspect scan prism for precision
Glass multifaceted prism.
In above-mentioned technical proposal：Conventional Cold-forming process processing can be used in the glass multifaceted prism, processes polygonal prism
Strictly control angular error between each surface, tower poor during mirror calibrated bolck.
In above-mentioned technical proposal：Through hole is set on multifaceted prism calibrated bolck, the through hole on the multifaceted prism calibrated bolck and electricity
The mode that the shaft of control turntable is coaxial assembles fixation.
In above-mentioned technical proposal：Through hole is also provided on the metal multiaspect scanning mirror mirror base to be processed, and is penetrated
The shaft of automatically controlled turntable.
In above-mentioned technical proposal：The autocollimatic straight light path is auto-collimation collimator.
Preferred embodiment：The parallel light laser of auto-collimation optical routing, spectroscope, are formed as screen plane mirror,
In the directional light that projects of parallel light laser be incident to spectroscope, the light of dichroic mirror is used as is placed vertically light with reference to light
It is incident to after plane mirror reflection in road as screen, the light of spectroscope transmission is as detection light vertical incidence to the polygonal prism
Any one side of mirror calibrated bolck；Detection light, to as shielding, interference fringe is formed on as screen by the offside reflection.The auto-collimation
Light path is actually michelson interferometer optical path, can be with the shaft rotary corner of the automatically controlled turntable of more precise control by interference fringe.
It can also be replaced with CCD as screen, the interference fringe of reference light and detection light is imaged in CCD, is entirely being processed
Monitor the variation of interference fringe in real time in the process.It so can more easily observe and turning for automatically controlled turntable is controlled in process
Whether axis rotates.
Also the real-time change information of the interference fringe can be fed back into lathe when carrying out turnery processing with lathe, into
Row real-time error compensation.Such processing belongs to closed loop processing technique, it is possible to implement is converted by interference fringe variation automatically controlled
This real-time change information is fed back to machining tool, can further improve machining accuracy by the attitudes vibration of the shaft of turntable.
In order to adapt to batch machining, more preferably scheme is：In above-mentioned technical proposal, automatically controlled turntable described in step 2)
Shaft is connected by linkage mechanism with several driven spindles, all can at least one metal multiaspect of clamping on each driven spindle
Scan prism mirror embryo, when the shaft rotation of automatically controlled turntable, the driven spindle also rotates equal angular；Above-mentioned steps 3) in
Simultaneously by multiple metal multiaspect scan prism mirror embryo clampings to be processed on the driven spindle；Above-mentioned steps 4) in rotate institute
Automatically controlled turntable is stated, any one side of the multifaceted prism calibrated bolck is directed at autocollimatic straight light path, institute is fixed with lockable mechanism
State the shaft of automatically controlled turntable and all driven spindles；Fixed metal is more in the shaft of the automatically controlled turntable and driven spindle
Surface scan prism mirror embryo, which is got on the bus, cuts out scanning plane.Multiple metal multiaspect scanning ribs to be processed can be all installed in so each shaft
Mirror mirror embryo, and more driven spindles can be connected by linkage, it can thus realize batch machining, it can also be ensured that
Consistent with a batch Product Precision, this has been considerably improved the stability of institute's completed knocked down products.
Description of the drawings
Fig. 1 metal multiaspect scan prism machining sketch charts；
Fig. 2 multiple-rotor batch machining metal multiaspect scan prism schematic diagrames；
A kind of auto-collimation light path schematic diagrams of Fig. 3；
Wherein：The automatically controlled turntables of 1-, 2- multifaceted prism calibrated bolcks, 3- metal multiaspect scan prism mirror embryos, the automatically controlled turntables of 4-
Shaft, 5- autocollimatic straight light paths, the automatically controlled turntable supports of 6-, 7- lockable mechanisms, 8- linkage mechanisms, 9- driven spindles, 10- directional lights swash
Light device, 11- spectroscopes, 12- reference lights, 13- detection lights, 14- plane mirrors, 15- picture screens, 16- clamping parts.
Specific embodiment
In order to illustrate more clearly of invention, it is further described with reference to the accompanying drawings and embodiments
Embodiment one：
Attached shown in FIG. 1 a kind of for processing the fixture of metal multiaspect scan prism, specific technical solution is as follows：
A kind of fixture for being used to process metal multiaspect scan prism, including automatically controlled turntable support 6, mounted on automatically controlled turntable branch
The shaft 4 of automatically controlled turntable 1, automatically controlled turntable on frame 6 is arranged at being swept for clamping metal multiaspect to be processed in the shaft 4
Retouch the clamping part 16 of prism mirror embryo 3, it is characterised in that：It is more better than the design parameter of metal multiaspect scan prism to further include precision
Face prism calibrated bolck 2, autocollimatic straight light path 5, the multifaceted prism calibrated bolck 2 are fixed in the shaft 4 of automatically controlled turntable, polygonal prism
The cross section normal direction of mirror calibrated bolck 2 is parallel with the shaft 4 of automatically controlled turntable；The autocollimatic straight light path 5 is arranged on automatically controlled turn
On platform stent 6, the incident light that is sent from autocollimatic straight light path by rotating the shaft can vertical incidence to multifaceted prism standard
Any one side of block.
Using above-mentioned fixture into row metal multiaspect scan prism process when, by automatically controlled turntable support clamping lathe work
On turntable, by metal multiaspect scan prism mirror embryo 3 to be processed also clamping in the clamping part 16, pass through the blessing portion
16 make 3 cross section normal direction of metal multiaspect scan prism mirror embryo parallel with the shaft 4 of automatically controlled turntable；Rotate the automatically controlled turntable
1, any one side alignment autocollimatic straight light path 5 of the multifaceted prism calibrated bolck 2 is fixed described automatically controlled with lockable mechanism 7
The shaft 4 of turntable；It gets on the bus in the metal multiaspect scan prism mirror embryo 3 and cuts out a scanning plane；The automatically controlled turntable 1 is rotated,
Successively by other sides alignment autocollimatic straight light path 5 of the multifaceted prism calibrated bolck 2, get on the bus in metal multiaspect scan prism mirror embryo
Cut out remaining scanning plane.
Embodiment two：
Attached shown in Fig. 2 a kind of for processing the fixture of metal multiaspect scan prism, specific technical solution is as follows：Implementing
On the basis of example one, the shaft 4 of the automatically controlled turntable is connected by linkage mechanism 8 with several driven spindles 9, each from
Several clamping parts 16 for clamping metal multiaspect scan prism mirror embryo to be processed are fitted on turn axis 9, when automatically controlled turn
When the shaft 4 of platform rotates, the driven spindle 16 also rotates equal angular.
When being processed using the technical solution, batch machining can be realized, several metal multiaspects to be processed are scanned into rib
3 clamping of mirror mirror embryo is in the clamping part 16, the cross section normal direction of adjustment multifaceted prism calibrated bolck and turning for automatically controlled turntable
Axis is parallel；The shaft 2 of automatically controlled turntable 1 is connected by linkage mechanism 8 with several driven spindles 9, on each driven spindle all
Can at least one metal multiaspect scan prism mirror embryo 3 of clamping, when automatically controlled turntable shaft rotation when, the driven spindle also revolves
Turn equal angular；The automatically controlled turntable 1 is rotated, any one side of the multifaceted prism calibrated bolck 2 is directed at autocollimatic direct light
The shaft 4 of the automatically controlled turntable is fixed on road 5 with lockable mechanism 7；It gets on the bus in the metal multiaspect scan prism mirror embryo 3 and cuts out one
A scanning plane；The automatically controlled turntable 1 is rotated, other sides of the multifaceted prism calibrated bolck 2 are directed at autocollimatic straight light path successively
5, it gets on the bus in metal multiaspect scan prism mirror embryo and cuts out remaining scanning plane.
Embodiment three：
On the basis of one technical solution of embodiment, the autocollimatic straight light path 5 is as shown in figure 3, by parallel light laser 10, divide
Light microscopic 11, plane mirror 14 are formed as shielding 15, wherein the directional light that parallel light laser projects is incident to spectroscope, are divided
For the light of mirror reflection as being incident to after the plane mirror reflection being placed vertically with reference to light 12 in light path as shielding, spectroscope is saturating
The light penetrated is incident to any one side of the multifaceted prism calibrated bolck as detection light 13；The automatically controlled turntable is rotated, is examined
Light is surveyed by the offside reflection to as screen 15, interference fringe is formed on as screen.The light path is actually michelson interferometer optical path,
It can be with the shaft rotary corner of the automatically controlled turntable of more precise control by interference fringe.
The principle of the scheme of above-mentioned technology is accurately to control turning for shaft by autocollimatic straight light path and multifaceted prism calibrated bolck
Angle, can be with since metal multiaspect scan prism mirror embryo to be processed and multifaceted prism calibrated bolck clamping are in same root shaft
The accurate angle precision for replicating each side of multifaceted prism calibrated bolck.The use of the technical program can be independent of high-precision
Numerical control shaft, can be completed on two axis lathes metal multiaspect scan prism processing, greatly improve processing efficiency, machining accuracy and
Process uniformity.
The technical solution is not only applicable to multiaspect scan prism, could be applicable to multiaspect special-shaped glass prism, such as the side of prism
Face is spherical surface or aspherical, in order to accurately control the optical axis direction in each face of multiaspect special-shaped glass prism, can also first be processed each
A face is the optical axis angle of the plane multifaceted prism calibrated bolck identical with multiaspect special-shaped glass prism optical axis angle, by multifaceted prism standard
The optical axis angle of block is copied to by the technical program on multiaspect special-shaped glass prism.
The technical program unspecified part belongs to technology well known to those skilled in the art.
Claims (8)
1. it is a kind of for processing the fixture of metal multiaspect scan prism, including automatically controlled turntable support, mounted on automatically controlled turntable support
On automatically controlled turntable, automatically controlled turntable shaft, be arranged in the shaft for clamping metal multiaspect scan prism to be processed
The clamping part of mirror embryo, it is characterised in that：Further include multifaceted prism mark of the precision better than the design parameter of metal multiaspect scan prism
Quasi- block, autocollimatic straight light path, the multifaceted prism calibrated bolck are fixed in the shaft of automatically controlled turntable, the horizontal stroke of multifaceted prism calibrated bolck
Section normal direction is parallel with the shaft of automatically controlled turntable；The autocollimatic straight light path is arranged on automatically controlled turntable support, passes through rotation
Turn incident light that the shaft sent from autocollimatic straight light path can vertical incidence to any one side of multifaceted prism calibrated bolck.
2. the fixture according to claim 1 for being used to process metal multiaspect scan prism, it is characterised in that：Further include locking
Mechanism, which is mounted on automatically controlled turntable support, for locking the shaft of automatically controlled turntable.
3. the fixture according to claim 2 for being used to process metal multiaspect scan prism, it is characterised in that：The multiaspect
Prism calibrated bolck is glass multifaceted prism calibrated bolck.
4. the fixture according to claim 1 for being used to process metal multiaspect scan prism, it is characterised in that：Multifaceted prism mark
Through hole is set on quasi- block, the mode coaxial with the shaft of automatically controlled turntable of the through hole on the multifaceted prism calibrated bolck assembles fixation.
5. the fixture according to claim 4 for being used to process metal multiaspect scan prism, it is characterised in that：The autocollimatic
Straight light path is auto-collimation collimator.
6. the fixture for being used to process metal multiaspect scan prism according to one of Claims 1 to 5, it is characterised in that：Institute
The parallel light laser of auto-collimation optical routing stated, beam expanding lens, plane mirror, are formed as screen spectroscope, wherein parallel ray laser
The directional light that device projects is incident to spectroscope after expanding, and the light of dichroic mirror is used as is placed vertically light path with reference to light
In plane mirror reflection after be incident to as screen, spectroscope transmission light as detection light vertical incidence to the multifaceted prism
Any one side of calibrated bolck；Detection light, to as shielding, interference fringe is formed on as screen by the offside reflection.
7. the fixture for being used to process metal multiaspect scan prism according to one of Claims 1 to 5, it is characterised in that：With
CCD is replaced as screen, and the interference fringe image captured by CCD is by passing through data line transfer to monitor.
8. the fixture for being used to process metal multiaspect scan prism according to one of Claims 1 to 5, it is characterised in that：Institute
The shaft for the automatically controlled turntable stated is connected by linkage mechanism with several driven spindles, if being fitted on each driven spindle
The dry clamping part for being used for clamping metal multiaspect scan prism mirror embryo to be processed, it is described when the shaft rotation of automatically controlled turntable
Driven spindle also rotates equal angular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295227.3A CN108044808B (en) | 2017-12-08 | 2017-12-08 | It is a kind of for processing the fixture of metal multi-panel scan prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295227.3A CN108044808B (en) | 2017-12-08 | 2017-12-08 | It is a kind of for processing the fixture of metal multi-panel scan prism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108044808A true CN108044808A (en) | 2018-05-18 |
| CN108044808B CN108044808B (en) | 2019-06-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711295227.3A Active CN108044808B (en) | 2017-12-08 | 2017-12-08 | It is a kind of for processing the fixture of metal multi-panel scan prism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108044808B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666987A (en) * | 2019-09-12 | 2020-01-10 | 深圳市东汇精密机电有限公司 | Production process of special-shaped lens |
| CN117213807A (en) * | 2023-11-09 | 2023-12-12 | 西安光衡光电科技有限公司 | Double-tube angle measuring device and angle measuring method of beam splitting prism |
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| CN117213807A (en) * | 2023-11-09 | 2023-12-12 | 西安光衡光电科技有限公司 | Double-tube angle measuring device and angle measuring method of beam splitting prism |
| CN117213807B (en) * | 2023-11-09 | 2024-02-23 | 西安光衡光电科技有限公司 | Double-tube angle measuring device and angle measuring method of beam splitting prism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108044808B (en) | 2019-06-28 |
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