CN207564728U - A kind of device for processing metal multi-panel scan prism - Google Patents
A kind of device for processing metal multi-panel scan prism Download PDFInfo
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- CN207564728U CN207564728U CN201721704730.5U CN201721704730U CN207564728U CN 207564728 U CN207564728 U CN 207564728U CN 201721704730 U CN201721704730 U CN 201721704730U CN 207564728 U CN207564728 U CN 207564728U
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Abstract
The utility model discloses a kind of device for processing metal multi-panel scan prism, belong to optical processing technology field, more particularly to a kind of device for processing multi-panel scan prism, purpose is to solve the problems, such as that the angle precision when prior art processes multi-panel 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 multi-panel 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 multi-panel 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 consistency.
Description
Technical field
The utility model belongs to optical processing technology field, and in particular to a kind of processing unit (plant) of multi-panel scan prism.
Background technology
Multi-panel 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 rotary shaft of motor during use, by the high speed rotation of multi-panel 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 multi-panel 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.
Utility model content
The purpose of this utility model is that the angle precision between each face of the multi-panel scan prism of the solution prior art is difficult
The problem of to control.
Specific technical solution is as follows：
A kind of device for processing metal multi-panel scan prism, including automatically controlled turntable support, on automatically controlled turntable support
Automatically controlled turntable, automatically controlled turntable shaft, be set in the shaft for clamping metal multi-panel scan prism mirror to be processed
The clamping part of embryo, it is characterised in that：Further include multifaceted prism standard of the precision better than the design parameter of metal multi-panel scan prism
Block, autocollimatic straight light path, the multifaceted prism calibrated bolck are fixed in the shaft of automatically controlled turntable, multifaceted prism calibrated bolck it is transversal
Face 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
The incident light that the shaft is sent out from autocollimatic straight light path can vertical incidence to any one side of multifaceted prism calibrated bolck.
Using above-mentioned fixture into row metal multi-panel scan prism process when, by automatically controlled turntable support clamping lathe work
On turntable, by metal multi-panel scan prism mirror embryo to be processed also clamping in the clamping part, made by the blessing portion
Metal multi-panel 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 multi-panel 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 multi-panel 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 multi-panel 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 multi-panel scan prism mirror embryo, all add with all sides
After work is good, multiple metal multi-panel 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 multi-panel 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 with, and penetrate on the metal multi-panel scanning mirror mirror base to be processed
The shaft of automatically controlled turntable.
In above-mentioned technical proposal：The autocollimatic straight light path is auto-collimation collimator.
Preferred embodiment：The auto-collimation optical routing parallel light laser, plane mirror, is formed as screen spectroscope,
In the directional light that projects of parallel light laser be incident to spectroscope, the light of spectroscope reflection 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 can more easily observe in this way 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 connect by linkage mechanism with several driven spindles, all can at least one metal multi-panel 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 multi-panel scan prism mirror embryo clampings to be processed on the driven spindle；Above-mentioned steps 4) in rotation 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 multi-panel scanning ribs to be processed can be all installed in each shaft in this way
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 multi-panel scan prism machining sketch charts；
Fig. 2 multiple-rotor batch machining metal multi-panel 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 multi-panel 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
The technical solution of the utility model is described further with reference to the accompanying drawings and embodiments.
Embodiment one：
A kind of attached device for processing metal multi-panel scan prism shown in FIG. 1, specific technical solution are as follows：
A kind of device for processing metal multi-panel scan prism, including automatically controlled turntable support 6, mounted on automatically controlled turntable support 6
On automatically controlled turntable 1, automatically controlled turntable shaft 4, be set in the shaft 4 for clamping metal multi-panel to be processed scanning rib
The clamping part 16 of mirror mirror embryo 3, it is characterised in that：Further include polygonal prism of the precision better than the design parameter of metal multi-panel scan prism
Mirror calibrated bolck 2, autocollimatic straight light path 5, the multifaceted prism calibrated bolck 2 are fixed in the shaft 4 of automatically controlled turntable, multifaceted prism mark
The cross section normal direction of quasi- block 2 is parallel with the shaft 4 of automatically controlled turntable；The autocollimatic straight light path 5 is arranged on automatically controlled turntable branch
On frame 6, the incident light that is sent out from autocollimatic straight light path by rotating the shaft can vertical incidence to multifaceted prism calibrated bolck
Any one side.
Using above-mentioned fixture into row metal multi-panel scan prism process when, by automatically controlled turntable support clamping lathe work
On turntable, by metal multi-panel 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 multi-panel 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 multi-panel scan prism mirror embryo 3 and cuts out a scanning plane；The automatically controlled turntable 1 is rotated,
Successively by other sides of the multifaceted prism calibrated bolck 2 alignment autocollimatic straight light path 5, get on the bus in metal multi-panel scan prism mirror embryo
Cut out remaining scanning plane.
Embodiment two：
A kind of attached device for processing metal multi-panel scan prism shown in Fig. 2, specific technical solution are as follows：In embodiment one
On the basis of, the shaft 4 of the automatically controlled turntable is connect by linkage mechanism 8 with several driven spindles 9, and each from turn
Several clamping parts 16 for clamping metal multi-panel scan prism mirror embryo to be processed are fitted on axis 9, when automatically controlled turntable
When shaft 4 rotates, the driven spindle 16 also rotates equal angular.
When being processed using the technical solution, batch machining can be realized, several metal multi-panels 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 connect by linkage mechanism 8 with several driven spindles 9, on each driven spindle all
Can at least one metal multi-panel 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 multi-panel 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 multi-panel 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 in light path with reference to light 12 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 multi-panel 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 multi-panel scan prism processing, greatly improve processing efficiency, machining accuracy and
Process consistency.
The technical solution is not only applicable to multi-panel scan prism, could be applicable to multi-panel 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 multi-panel special-shaped glass prism, can also first be processed each
A face multifaceted prism calibrated bolck identical with multi-panel special-shaped glass prism optical axis angle for the optical axis angle of plane, by multifaceted prism standard
The optical axis angle of block is copied to by the technical program on multi-panel special-shaped glass prism.
The technical program unspecified part belongs to technology well known to those skilled in the art.
Claims (8)
1. a kind of device for processing metal multi-panel scan prism, including automatically controlled turntable support, on automatically controlled turntable support
Automatically controlled turntable, automatically controlled turntable shaft, be set in the shaft for clamping metal multi-panel scan prism mirror embryo to be processed
Clamping part, it is characterised in that：Further include precision better than metal multi-panel scan prism design parameter multifaceted prism calibrated bolck,
Autocollimatic straight light path, the multifaceted prism calibrated bolck are fixed in the shaft of automatically controlled turntable, the cross section of multifaceted prism calibrated bolck
Normal direction is parallel with the shaft of automatically controlled turntable；The autocollimatic straight light path is arranged on automatically controlled turntable support, by rotating
The incident light that the shaft stated is sent out from autocollimatic straight light path can vertical incidence to any one side of multifaceted prism calibrated bolck.
2. the device of processing metal multi-panel scan prism according to claim 1, it is characterised in that：Further include locking machine
Structure, which is mounted on automatically controlled turntable support, for locking the shaft of automatically controlled turntable.
3. the device of processing metal multi-panel scan prism according to claim 2, it is characterised in that：The multifaceted prism
Calibrated bolck is glass multifaceted prism calibrated bolck.
4. the device of processing metal multi-panel scan prism according to claim 1, it is characterised in that：Multifaceted prism calibrated bolck
Upper setting through-hole, through-hole on the multifaceted prism calibrated bolck mode coaxial with the shaft of automatically controlled turntable assemble fixation.
5. the device of processing metal multi-panel scan prism according to claim 4, it is characterised in that：The autocollimatic direct light
Road is auto-collimation collimator.
6. the device of the processing metal multi-panel scan prism according to one of Claims 1 to 5, it is characterised in that：Described
The parallel light laser of auto-collimation optical routing, beam expanding lens, spectroscope, plane mirror, as screen form, wherein parallel light laser is penetrated
The directional light gone out is incident to spectroscope after expanding, and the light of spectroscope reflection is placed vertically as with reference to light in light path
It is incident to after plane mirror reflection as screen, the light of spectroscope transmission is as detection light vertical incidence to the multifaceted prism standard
Any one side of block；Detection light, to as shielding, interference fringe is formed on as screen by the offside reflection.
7. the device of processing metal multi-panel scan prism according to claim 6, it is characterised in that：
It is replaced with CCD as screen, the interference fringe image captured by CCD is by passing through data line transfer to monitor.
8. the device of the processing metal multi-panel scan prism according to one of Claims 1 to 5, it is characterised in that：Described
The shaft of automatically controlled turntable is connect by linkage mechanism with several driven spindles, several are fitted on each driven spindle
For the clamping part of clamping metal multi-panel scan prism mirror embryo to be processed, when the shaft rotation of automatically controlled turntable, described is driven
Shaft also rotates equal angular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704730.5U CN207564728U (en) | 2017-12-08 | 2017-12-08 | A kind of device for processing metal multi-panel scan prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721704730.5U CN207564728U (en) | 2017-12-08 | 2017-12-08 | A kind of device for processing metal multi-panel scan prism |
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| Publication Number | Publication Date |
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| CN207564728U true CN207564728U (en) | 2018-07-03 |
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| CN201721704730.5U Active CN207564728U (en) | 2017-12-08 | 2017-12-08 | A kind of device for processing metal multi-panel scan prism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044808A (en) * | 2017-12-08 | 2018-05-18 | 苏州大学 | A kind of fixture for being used to process metal multiaspect scan prism |
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2017
- 2017-12-08 CN CN201721704730.5U patent/CN207564728U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108044808A (en) * | 2017-12-08 | 2018-05-18 | 苏州大学 | A kind of fixture for being used to process metal multiaspect scan prism |
| CN108044808B (en) * | 2017-12-08 | 2019-06-28 | 苏州大学 | It is a kind of for processing the fixture of metal multi-panel scan prism |
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