CN208005360U - A kind of optical prism side hang down control positioning and checking tool - Google Patents
A kind of optical prism side hang down control positioning and checking tool Download PDFInfo
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- CN208005360U CN208005360U CN201820463640.XU CN201820463640U CN208005360U CN 208005360 U CN208005360 U CN 208005360U CN 201820463640 U CN201820463640 U CN 201820463640U CN 208005360 U CN208005360 U CN 208005360U
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Abstract
The utility model discloses a kind of positioning of the vertical control in optical prism side and checking tools, belong to optical prism processing technique field.The positioning tool includes substrate, positioning prism, end face locating piece and side locating piece；It positions there are two prism tools, is oppositely arranged on substrate, form V-arrangement locating slot；End face locating piece is set on the substrate of positioning prism side, has end positioning surface, end positioning surface vertical substrate upper surface, perspective plane of the end positioning surface perpendicular to V-arrangement locating slot groove face on substrate；Side locating piece is set to above V-arrangement locating slot, with side-locating face, end positioning surface of the side-locating face perpendicular to V-arrangement locating slot groove face and end face locating piece.The checking tool includes benchmark prism and the benchmark four directions prism that is fixed on benchmark prism.The utility model positions and checking tool aims at cubic prism grinding both ends inclined-plane so that the vertical precision of both ends inclined-plane and side is 20 " within it is designed, positioning is simple and quick.
Description
Technical field
The utility model belongs to optical prism processing technique field, hangs down and controls more specifically to a kind of optical prism side
Positioning, checking tool and the processing method of system.
Background technology
The prism that prism is made of optical material, the plane of refraction and reflecting surface of all prisms are referred to as working face, two works
The intersection for making face is known as rib, and the section of vertical rib is known as main cross section.Prism plays many different effects, rib in optics
The combination of mirror may be used as beam splitter, polarizer etc., but in most applications, only use the dispersion function of prism, or make
The function that the direction of picture, direction of beam propagation change.Dispersion function makes prism as dispersion element, such as in spectrometer, take the photograph
Prism in spectrometer, monochromator is exactly to play dispersion interaction.
Prism is not only high to the required precision of working face itself, and angle precision between working face require nor
Chang Gao, this two aspect directly determine prism quality.Currently, prism ensures each working face of prism generally using primary batch production
Parameter (finish, flatness, angle etc.) reaches design accuracy requirement, is that each process technology scheme has to one solved
Key problem, because every procedure in the fabrication process may all influence final finished precision, the control to machining accuracy
System also requires the method that should all have solution to the influence factor of every procedure always through entire manufacturing process.It is existing
In the production process of prism, the faulty materials that Product Precision does not reach requirement can be produced often, to find out its cause, often processed
The vertical control in the upper disk side of prism is bad in journey, and the vertical control in side is most universal, and the way most easily realized is to pass through frock clamp
It realizes.So the reasonability of Fixture designing and the accuracy of manufacture are to ensure entire manufacturing process high efficiency production and make
Product keeps the essential condition of high qualification rate.
With scientific and technological economic fast development, efficient, the high-precision epoch are already striden into, higher is proposed to the precision of prism
Requirement, and how higher production energy reached by existing equipment, is that enterprise endeavours always the direction studied intensively.Such as Fig. 1
Shown in cubic prism, the four big face in side has been machined into position, has needed to process two inclined-planes, general inclined-plane at its both ends
It is at 45 ° with bottom surface, as shown in Fig. 2, how to ensure that the two inclined-planes and side vertical angle precision are the key that production, it is previous to hang down
When directly required precision is not high, general vertical precision requires the two inclined-planes while meeting 20 now in 30 " to 50 " " within,
This just greatly improves difficulty of processing.
The applicant previously applies and has authorized entitled：The vertical tooling in disk control side, the patent No. on a kind of small prism
For：The utility model patent of ZL201410852971.9, exactly about small prism (referring generally to specification 30*30mm products below)
The side of upper disk, which is hung down, to be controlled.The vertical tooling in disk control side includes pedestal, horizontal location block, block, level by body and V on the small prism
Type limited block, V-type limited block be opening angle be 90 ° of V-type groove-like structures, wherein：Pedestal is square plate shape structure；Level is fixed
Position block length cube block structure, is provided with square groove, is erected upward in the recess of groove and is arranged in the upper surface of pedestal and leans on
The position in nearly pedestal sideline；Block is also cuboid block structure, and one end fits are embedded in the groove of horizontal location block, the other end
It is perpendicular to be arranged on the V-groove mouth of V-type limited block；Level is 90 DEG C of right angle trigonometry body structures by body, is equipped with and is limited in V-type
In 90 ° of V-groove of block.Small prism is navigated to level by this scheme by the combination of horizontal location block, block and V-type limited block
Side, which is hung down, on body, when meeting processing requires, but it can only ensure that the vertical precision in side is no more than 30 ", and be a machined surface.Separately
Outside, tooling precision itself is not high, and V-type limited block is by naked eyes alignment telltale mark line positioning, and precision is poor, and telltale mark line
It itself is also difficult to precisely；Horizontal location block, limited block and block three combination installation difficulty are higher, it is difficult to ensure that them and level
Vertical precision between body upper surface necessarily affects the positioning of small prism.Meanwhile the tooling be served only for small prism upper disk it is fixed
Position, does not specifically give precision controlling in following process.
Utility model content
1, it to solve the problems, such as
The utility model provides a kind of positioning tool of the vertical control in optical prism side, and its object is to solve existing prism
In processing side hang down positioning accuracy be difficult to reach 20 " within the problem of.The positioning tool aims at cubic prism grinding two shown in attached drawing
Hold inclined-plane so that the vertical precision of both ends inclined-plane and side is 20 " within it is designed, positioning is simple and quick.
The utility model additionally provides a kind of checking tool of the vertical control in optical prism side, aims at above-mentioned positioning tool and sets
Meter, matches, the positioning accuracy of positioning tool can be improved, and meets the vertical 20 " positioning accuracy requests in side.
The utility model additionally provides a kind of processing method of the vertical control in optical prism side, before not influencing positioning accuracy
It puts, the inclined-plane at the cubic prism both ends after being positioned to above-mentioned positioning tool is processed, and can ensure to process latter two simultaneously tiltedly
Face meets the vertical 20 " precision in side.
2, technical solution
To solve the above problems, the utility model adopts the following technical scheme.
A kind of positioning tool of the vertical control in optical prism side, including substrate, positioning prism, end face locating piece and side are fixed
Position block；There are two the positioning prism tools, is oppositely arranged on substrate, forms V-arrangement locating slot；The end face locating piece is set to
On the substrate for positioning prism side, there is end positioning surface, end positioning surface vertical substrate upper surface, end positioning surface is perpendicular to V
Perspective plane of the shape locating slot groove face on substrate；The side locating piece is set to above V-arrangement locating slot, with side positioning
Face, end positioning surface of the side-locating face perpendicular to V-arrangement locating slot groove face and end face locating piece.
As a further improvement, further including link block and supporting block；The supporting block is vertically installed on substrate, and side is fixed
One end of position block connects supporting block by link block.
As a further improvement, the positioning prism and side locating piece are isosceles right angle prism, end face positioning
Block and supporting block are cuboid prism.
As a further improvement, the surface precision of the upper surface of base plate is in 1/10 λ；Position three side lights of prism
Cleanliness is national standard three-level, and within 1/10 λ of surface aperture, angular accuracy is 5 " within；At an angle of 90, angular accuracy is 10 for V-arrangement locating slot "
Within；The side-locating face of side locating piece and the end positioning surface finish of end face locating piece are national standard three-level, surface aperture 1/
Within 10 λ；The side-locating face of side locating piece and V-arrangement locating slot groove face, the side-locating face of side locating piece and end face locating piece
End positioning surface vertical precision 10 " within.
A kind of checking tool of the vertical control in optical prism side, for determining for the vertical positioning tool controlled in above-mentioned optical prism side
Position installation, it includes benchmark prism and benchmark four directions prism；The benchmark prism is isosceles right angle prism, benchmark four directions
Prism is fixed on the inclined-plane of benchmark prism.
As a further improvement, three side finish of the benchmark prism are national standard three-level, 1/10 λ of surface aperture
Within, angular accuracy is 5 " within；The lower surface of benchmark four directions prism is bonded with the inclined-plane of benchmark prism, two neighboring
Side is detection faces, and two detection faces and lower surface are perpendicular to one another, and precision is 5 " within, each face finish is national standard three-level, table
Within 1/10 λ of face aperture.
As a further improvement, reinforcing connecting by reinforcement block between the benchmark prism and benchmark four directions prism.
A kind of processing method of the vertical control in optical prism side, operating procedure are：
One, the assembling of positioning tool
The positioning of the vertical control in above-mentioned optical prism side is assembled using the checking tool of the vertical control in above-mentioned optical prism side
Tooling；
Two, prism side, which is hung down, positions
First, it takes in the V-arrangement locating slot that body is put into that two positioning prisms are formed, is positioned by the V-type bottom of body and V-arrangement
Slot groove face optical cement coordinates, and is formed and stablizes interference fringe；Then, cubic prism to be processed is placed on the upper surface of body, and
It is formed and stablizes interference fringe；Then, the end face and the end positioning surface optical cement of end face locating piece for making cubic prism to be processed coordinate, shape
At interference fringe is stablized, so that side thereafter and the side-locating face optical cement of side locating piece is coordinated, formed and stablize interference fringe；Most
Afterwards, cubic prism to be processed is taken out with by body；
Three, prism grinding
First, disk on body is leaned on, is glued on pallet on one side by the V-type bottom of body, required grinding surface is made to be in horizontality；
Then, cubic prism is ground and is polished, be ground out the inclined-plane of cubic prism one end；When grinding, pallet is under, Square-edge
Mirror is sanded from top upper；When polishing, for pallet upper, cubic prism uses polishing powder solution to be ground from below under；
Finally, it will be glued on pallet by the V-type bottom another side of body, the other end inclined-plane of cubic prism be ground, complete four
The processing on square glass prism both ends inclined-plane.
As a further improvement, the assembling steps of positioning tool are in the step 1：
1. taking a positioning prism, it is pressed against on the upper surface of substrate, generates interference fringe, and pass through optics
Glue glued adhesion；By the V-type bottom one side of the benchmark prism of checking tool and positioning prism surfaces optical cement, interference fringe is formed,
It takes another to position prism again, it is made to be bonded simultaneously with the V-type bottom another side of the upper surface of substrate and benchmark prism, produce
Raw twice interference fringe, and positioning prism and base plate bonding are made by optical cement；Two positioning prisms form V-arrangement positioning
Slot；
2. end face locating piece is placed on the upper surface of substrate, the base of the end positioning surface and checking tool of end face locating piece
The one detection faces fitting of quasi- four directions prism makes two contact surfaces generate interference fringe, and by optical cement by end face locating piece
It is glued on substrate；
3. first supporting block is glued at by optical cement on the upper surface of substrate；Link block is glued at by optical cement again
In supporting block；Finally, by the side-locating face of side locating piece and the benchmark four directions prism of checking tool another detection faces optical cement,
Interference fringe is generated, and one end of side locating piece is glued to by link block by optical cement；
4. taking out checking tool, the assembling of positioning tool is completed.
As a further improvement, in the step 2, cubic prism to be processed is sent into oven with after body taking-up,
It is heated 8~8.2 hours at a temperature of 92 DEG C~100 DEG C.
As a further improvement, in the step 3, grinding is divided into rough lapping and smooth grinding, and sand grains diameter exists when rough lapping
320~350 mesh are ground 76~80 revs/min of rotating speed, 7~9mm/min of feed speed；Sand grains diameter is 500~520 when smooth grinding
Mesh is ground 60~65 revs/min of rotating speed, 5~6mm/min of feed speed；Polishing is divided into rough polishing and fine polishing, when rough polishing,
It is ground using 400~460 mesh polishing powder circle swings, is ground 55~60 revs/min of rotating speed, and apply 5~6Kg pressure；Essence is thrown
Light time is ground using 500~550 mesh polishing powder circle swings, is ground 47~51 revs/min of rotating speed, and applies 3~3.5Kg pressures
Power.
3, advantageous effect
Compared with the prior art, the beneficial effects of the utility model are：
(1) hang down the positioning tool of control for the utility model optical prism side, aims at set by the angular surface grinding of cubic prism both ends
Body, and the end positioning surface of counterface locating piece and side are leaned in meter, the V-arrangement locating slot positioning formed by two positioning prisms
The side-locating face of locating piece is accurately positioned the end face of cubic prism, trailing flank and the face of bottom surface three, ensures by disk on body
Grinding both ends inclined-plane is simultaneously with the vertical precision of its front and back sides 20 afterwards " within and inclined-plane and bottom surface angle precision, should
Tool locating is simple and quick, improves production efficiency.
(2) hang down the checking tool of control for the utility model optical prism side, aims at the positioning work of the vertical control in optical prism side
Installing meter, matches, and can be assembled and calibrate positioning tool, ensures the precision that positioning tool positions cubic prism, meets side
Hang down 20 " positioning accuracy requests.
(3) processing method of the vertical control in the utility model optical prism side, is arrived cubic prism optical cement using positioning tool
It is ground the inclined-plane at cubic prism both ends under the premise of not influencing positioning accuracy on body, and to this optimization grinding process, it can
Ensure that processing latter two inclined-plane meets the vertical 20 " precision in side simultaneously.
(4) the utility model optical prism side is hung down the processing method of control, by by cubic prism to be processed with by body one
It rises and is sent into oven after taking out, heated 8~8.2 hours at a temperature of 92 DEG C~100 DEG C, cubic prism and the light between body can be increased
The adhesion strength of glue can effectively avoid cubic prism in grinding process and loosen or fall, ensures grinding stability and precision.
(5) since grinding plane is that horizontal plane needs inclined-plane being adjusted to so in cubic prism both ends angular surface grinding
It is parallel with horizontal plane, that is, be bonded on one side on the table by the V-type bottom of body lower part, this is also the effect by body, at this point,
Cubic prism bases and there is angle by body faying face and horizontal plane, when grinding and feeding, has horizontal component to cubic prism,
It is easy to cause cubic prism and is combined loosening with by body, or even fall off；Therefore, inventor gropes to summarize by long-term practice, will grind
It cuts and is divided into grinding and polishing, and twice grinding process is all ground at twice, is i.e. grinding is divided into rough lapping and smooth grinding, and polishing also divides
Sand and polishing powder grain size, grinding for rough polishing and fine polishing, and using being inverted grinding process, while when stringent control grinding turn
Speed, feed speed and pressure ensure that cubic prism with by the reliability of body optical cement, reaches grinding speed, grinding surface any surface finish
The resultant effect of the vertical precision of degree and side is very good.
Description of the drawings
Fig. 1 is the stereochemical structure view of cubic prism；
Fig. 2 is that cubic prism both ends process the stereochemical structure view behind inclined-plane；
Fig. 3 is the stereochemical structure view of the positioning tool of the vertical control in the utility model optical prism side；
Fig. 4 is the stereochemical structure view of the checking tool of the vertical control in the utility model optical prism side；
Fig. 5 is the Status view for carrying out calibration positioning to positioning tool using the checking tool of the vertical control in optical prism side；
Fig. 6 is the Status view for carrying out the vertical positioning in side to cubic prism using the positioning tool of the vertical control in optical prism side.
In figure：1, substrate；2, prism is positioned；3, end face locating piece；4, side locating piece；5, link block；6, supporting block；
7, benchmark prism；8, benchmark four directions prism；9, reinforcement block；10, body is leaned on.
Specific implementation mode
The utility model is further described below with reference to specific embodiments and the drawings.
Embodiment 1
The positioning tool of control as shown in figure 3, a kind of optical prism side of the present embodiment is hung down, it is oblique to aim at cubic prism both ends
Designed by the grinding of face, i.e., cubic prism semi-finished product shown in Fig. 1 are ground to finished product shown in Fig. 2.The four directions prism requires its both ends
Inclined-plane and upper bottom surface angle are 45 °, the verticality precision with front and rear sides face, that is, precision is hung down 20 in side " within.Below
The positioning tool structure is illustrated.
The positioning tool of the present embodiment includes substrate 1, positioning prism 2, end face locating piece 3, side locating piece 4, connection
Block 5 and supporting block 6.Wherein, prism 2, end face locating piece 3 and supporting block 6 is positioned to place on substrate 1；Position 2 He of prism
Side locating piece 4 is isosceles right angle prism, and end face locating piece 3 and supporting block 6 are cuboid prism, and link block 5 is then
Isosceles trapezoid prism.
It positions there are two the tools of prism 2, is oppositely arranged on substrate 1, right-angle surface is contacted with substrate 1, between the inclined-plane of the two
Form V-arrangement locating slot.End face locating piece 3 is set on the substrate 1 of 2 side of positioning prism, has end positioning surface, end positioning
1 upper surface of face vertical substrate, perspective plane of the end positioning surface perpendicular to V-arrangement locating slot groove face on substrate 1.Supporting block 6 is vertically set
It is placed in substrate 1, link block 5 is glued in supporting block 6；And side locating piece 4 is set to above V-arrangement locating slot, it is fixed with side
Plane, the side-locating face are a right-angle surface, and side-locating face is positioned perpendicular to the end of V-arrangement locating slot groove face and end face locating piece 3
Face, and the inclined-plane of 4 one end of side locating piece is glued on link block 5, is supported.
It should be noted that due to positioning accuracy request height, side is hung down 20 " within, so to each component sheet of positioning tool
The required precision of body is also relatively high.In the present embodiment, the surface precision of 1 upper surface of substrate is in 1/10 λ；Position the three of prism 2
A side finish is national standard three-level, and within 1/10 λ of surface aperture, angular accuracy is 5 " within；At an angle of 90, angle is smart for V-arrangement locating slot
Degree is 10 " within；Each face of side locating piece 4, including side-locating face, each face of end face locating piece 3, including end positioning surface, branch
Each face of bracer 6, their finish are national standard three-level, within 1/10 λ of surface aperture；The side-locating face of side locating piece 4
End positioning surface vertical precision with V-arrangement locating slot groove face, the side-locating face of side locating piece 4 and end face locating piece 3 is 10 " with
It is interior.
Hang down the positioning tool controlled for the present embodiment optical prism side, aims at designed by the angular surface grinding of cubic prism both ends, leads to
It crosses the V-arrangement locating slot positioning that two positioning prisms 2 are formed and leans on body 10, and the end positioning surface of counterface locating piece 3 and side
The side-locating face of locating piece 4 is accurately positioned the end face of cubic prism, trailing flank and the face of bottom surface three, ensures by disk on body
Grinding both ends inclined-plane is simultaneously with the vertical precision of its front and back sides 20 afterwards " within and inclined-plane and bottom surface angle precision, should
Tool locating is simple and quick, improves production efficiency.
Embodiment 2
The checking tool of control as shown in figure 4, a kind of optical prism side of the present embodiment is hung down, exclusively for embodiment 1
It hangs down designed by the location and installation of the positioning tool controlled optical prism side.It includes mainly benchmark prism 7 and benchmark Square-edge
Mirror 8；Wherein, benchmark prism 7 is isosceles right angle prism, and benchmark four directions prism 8 is fixed on the inclined-plane of benchmark prism 7,
Benchmark four directions prism 8 is positive hexahedron.Benchmark prism 7 is matched with the V-arrangement locating slot that two positioning prisms 2 are formed, base
The two of which adjacent side of quasi- four directions prism 8 coordinates with the end positioning surface of end face locating piece 3 as detection faces, respectively and side
The side-locating face of locating piece 4 coordinates.
Optical cement combines between benchmark prism 7 and benchmark four directions prism 8, in order to increase reliability, is arranged therebetween
Reinforcement block 9 increases bonding strength.
The checking tool is as standard, to its required precision higher.For this purpose, three sides of benchmark prism 7 are bright and clean
It is national standard three-level to spend, and within 1/10 λ of surface aperture, angular accuracy is 5 " within；The lower surface of benchmark four directions prism 8 and benchmark trigone
The inclined-plane of mirror 7 is bonded, and two neighboring side is detection faces, and two detection faces and lower surface are perpendicular to one another, and precision is 5 " within,
Each face finish is national standard three-level, within 1/10 λ of surface aperture.
Hang down the checking tool controlled for the present embodiment optical prism side, aims at determining for the vertical control in optical prism side of embodiment 1
Position Fixture Design, matches, and can be assembled and calibrate positioning tool, ensures the precision that positioning tool positions cubic prism, full
Hang down 20 " positioning accuracy requests for sufficient side.
Embodiment 3
A kind of processing method of the vertical control in optical prism side of the present embodiment, is used for the prism of semi-finished product four directions shown in Fig. 1
It is processed into finished product four directions shown in Fig. 2 prism, i.e. grinding both ends inclined-plane, ensures inclined-plane and cubic prism front and rear sides surface side
Precision of hanging down is 20 " within.
The operating procedure of the processing method of the vertical control in optical prism side is as follows：
One, the assembling of positioning tool
Optical prism side in the checking tool assembled embodiment 1 of control of being hung down using the optical prism side of embodiment 2, which is hung down, to be controlled
The positioning tool of system；As shown in figure 5, specific assembling steps are：
1. taking a positioning prism 2, it is pressed against on the upper surface of substrate 1, generates interference fringe, and pass through light
Learn glue glued adhesion；By the V-type bottom one side of the benchmark prism 7 of checking tool and positioning 2 surface optical cement of prism, interference item is formed
Line, then take another position prism 2, make its simultaneously with the upper surface of substrate 1 and the V-type bottom another side of benchmark prism 7
Fitting generates twice interference fringe, and keeps positioning prism 2 glued with substrate 1 by optical cement；Two positioning prisms 2 be
Form V-arrangement locating slot；
2. end face locating piece 3 is placed on the top surface of the substrate 1, the end positioning surface and checking tool of end face locating piece 3
The 8 one detection faces fitting of benchmark four directions prism, so that two contact surfaces is generated interference fringe, and determine end face by optical cement
Position block 3 is glued on substrate 1；
3. first by supporting block 6 by optical cement gluing on the top surface of the substrate 1 on；Link block 5 is passed through into optical cement glue again
It closes in supporting block 6；Finally, by another detection of the benchmark four directions prism 8 of the side-locating face of side locating piece 4 and checking tool
Face optical cement generates interference fringe, and one end of side locating piece 4 is glued to link block 5 by optical cement；
4. taking out checking tool, the assembling of positioning tool is completed.
In this step, the precision of the checking tool of the vertical control in optical prism side directly determines the assembly precision of positioning tool,
Its key needs the inclined-plane vertical precision for ensureing the detection faces of benchmark four directions prism 8 and benchmark prism 75 " within.For this purpose,
Using the second, the optical angle gauge of grade assembles checking tool, when assembling, first places a right-angle surface of benchmark prism 7
Onto the workbench of angular instrument；Then, a rib of benchmark four directions prism 8 is contacted with workbench, moving reference four directions prism 8 to
The inclined-plane of benchmark prism 7 is close, until fitting, and generate interference fringe；Then, it is observed by angular instrument, and finely tunes benchmark
Cubic prism 8 makes the reflected ray that the detection faces of benchmark four directions prism 8 are observed in angular instrument be located at zero-bit, checking tool positioning
Assembling finishes；Finally, reinforcement block 9 is installed by optical cement fixed.It, can be quickly by benchmark trigone using such mode
Mirror 7 and benchmark four directions prism 8 position, and fine tuning number drops at least.
Two, prism side, which is hung down, positions
As shown in fig. 6, first, taking in the V-arrangement locating slot that body 10 is put into that two positioning prisms 2 are formed, depending on the V of body 10
Type bottom coordinates with V-arrangement locating slot groove face optical cement, is formed and stablizes interference fringe；Then, cubic prism to be processed is placed on and is leaned on
On the upper surface of body 10, and form stable interference fringe；Then, make end face and the end face locating piece 3 of cubic prism to be processed
The cooperation of positioning surface optical cement is held, is formed and stablizes interference fringe, side thereafter and the side-locating face optical cement of side locating piece 4 is made to coordinate,
It is formed and stablizes interference fringe；Finally, cubic prism to be processed is taken out with by body 10, oven is sent into, at a temperature of 92 DEG C
Heating 8.2 hours.
Three, prism grinding
First, disk on body is leaned on, is glued on pallet on one side by the V-type bottom of body 10, required grinding surface is made to be in horizontal
State；Then, cubic prism is ground and is polished, be ground out the inclined-plane of cubic prism one end；When grinding, pallet is under, and four
Square glass prism is sanded from top upper；When polishing, for pallet upper, cubic prism uses polishing powder solution to grind from below under
It cuts；Finally, it will be glued on pallet by the V-type bottom another side of body 10, the other end inclined-plane of cubic prism be ground, it is complete
At the processing on cubic prism both ends inclined-plane.
In this third step, grinding is divided into rough lapping and smooth grinding, when rough lapping sand grains diameter in 320 mesh, 76 turns of rotating speed of grinding/
Minute, feed speed 7mm/min；Sand grains diameter is ground 60 revs/min of rotating speed, feed speed 5mm/min in 500 mesh when smooth grinding；
Polishing is divided into rough polishing and fine polishing, when rough polishing, is ground using 400 mesh polishing powder solution circle swings, and 55 turns of rotating speed of grinding/
Minute, and apply 5Kg pressure；It when finishing polish, is ground using 500 mesh polishing powder solution circle swings, is ground 47 revs/min of rotating speed
Clock, and apply 3Kg pressure.
Cubic prism both ends inclined-plane after grinding is detected, precision is hung down 20 in inclined-plane side " within, 100%
Qualification, and inclined-plane and bottom surface angle precision are 30 " in, reach design requirement.
Embodiment 4
A kind of processing method of the vertical control in the optical prism side of the present embodiment, it is substantially the same manner as Example 3, it is different
It is：In step 2, cubic prism to be processed is sent into oven with after the taking-up of body 10, it is small that 8.1 are heated at a temperature of 95 DEG C
When；In step 3, grinding is divided into rough lapping and smooth grinding, and sand grains diameter is ground 78 revs/min of rotating speed in 340 mesh when rough lapping, into
Give speed 8mm/min；Sand grains diameter is ground 63 revs/min of rotating speed, feed speed 5.5mm/min in 510 mesh when smooth grinding；Polishing
It is divided into rough polishing and fine polishing, when rough polishing, is ground using 450 mesh polishing powder solution circle swings, is ground 58 revs/min of rotating speed
Clock, and apply 5.5Kg pressure；It when finishing polish, is ground using 530 mesh polishing powder solution circle swings, is ground 49 revs/min of rotating speed
Clock, and apply 3.4Kg pressure.
Cubic prism both ends inclined-plane after grinding is detected, precision is hung down 20 in inclined-plane side " within, 100%
Qualification, and inclined-plane and bottom surface angle precision are 30 " in, reach design requirement.
Embodiment 5
A kind of processing method of the vertical control in the optical prism side of the present embodiment, it is substantially the same manner as Example 3, it is different
It is：In step 2, cubic prism to be processed is sent into oven with after the taking-up of body 10, it is small that 8 are heated at a temperature of 100 DEG C
When；In step 3, grinding is divided into rough lapping and smooth grinding, and constantly sand grains diameter is ground 80 revs/min of rotating speed in 350 mesh for rough lapping,
Feed speed 9mm/min；Sand grains diameter is ground 65 revs/min of rotating speed, feed speed 6mm/min in 520 mesh when smooth grinding；Polishing
It is divided into rough polishing and thin essence, when rough polishing, is ground using 460 mesh polishing powder solution circle swings, is ground 60 revs/min of rotating speed,
And apply 6Kg pressure；It when finishing polish, is ground using 550 mesh polishing powder solution circle swings, is ground 51 revs/min of rotating speed, and apply
Add 3.5Kg pressure.
Cubic prism both ends inclined-plane after grinding is detected, precision is hung down 20 in inclined-plane side " within, 100%
Qualification, and inclined-plane and bottom surface angle precision are 30 " in, reach design requirement.
Example described in the utility model is only that preferred embodiments of the present invention are described, not to this reality
It is defined with novel conception and scope, under the premise of not departing from the design concept of the utility model, this field engineering technology people
The various modifications and improvement that member makes the technical solution of the utility model, should all fall into the scope of protection of the utility model.
Claims (8)
- The positioning tool of control 1. a kind of optical prism side is hung down, including substrate (1), positioning prism (2), it is characterised in that：Also Including end face locating piece (3) and side locating piece (4)；There are two positioning prism (2) tools, is oppositely arranged on substrate (1), Form V-arrangement locating slot；The end face locating piece (3) is set on the substrate (1) of positioning prism (2) side, has end fixed Plane holds positioning surface vertical substrate (1) upper surface, projection of the end positioning surface perpendicular to V-arrangement locating slot groove face on substrate (1) Face；The side locating piece (4) is set to above V-arrangement locating slot, and with side-locating face, side-locating face is positioned perpendicular to V-arrangement The end positioning surface of slot groove face and end face locating piece (3).
- The positioning tool of control 2. a kind of optical prism side according to claim 1 is hung down, it is characterised in that：It further include connection Block (5) and supporting block (6)；The supporting block (6) is vertically installed on substrate (1), and one end of side locating piece (4) passes through connection Block (5) connects supporting block (6).
- The positioning tool of control 3. a kind of optical prism side according to claim 2 is hung down, it is characterised in that：The positioning three Prism (2) and side locating piece (4) are isosceles right angle prism, and end face locating piece (3) and supporting block (6) are cuboid rib Mirror.
- The positioning tool of control 4. a kind of optical prism side according to claim 3 is hung down, it is characterised in that：The substrate (1) surface precision of upper surface is in 1/10 λ；Three side finish for positioning prism (2) are national standard three-level, surface aperture 1/ Within 10 λ, angular accuracy is 5 " within；At an angle of 90, angular accuracy is 10 for V-arrangement locating slot " within.
- The positioning tool of control 5. a kind of optical prism side according to claim 3 is hung down, it is characterised in that：The side is fixed The side-locating face of position block (4) and the end positioning surface finish of end face locating piece (3) are national standard three-level, 1/10 λ of surface aperture with It is interior；The side-locating face of side locating piece (4) and V-arrangement locating slot groove face, the side-locating face of side locating piece (4) and end face locating piece (3) end positioning surface vertical precision is 10 " within.
- The checking tool of control 6. a kind of optical prism side is hung down, for arbitrary a kind of optical prism side in claim 1-5 The location and installation of the positioning tool of vertical control, it is characterised in that：Including benchmark prism (7) and benchmark four directions prism (8)；It is described Benchmark prism (7) is isosceles right angle prism, and benchmark four directions prism (8) is fixed on the inclined-plane of benchmark prism (7).
- The checking tool of control 7. a kind of optical prism side according to claim 6 is hung down, and be characterized in that：The benchmark three Three side finish of prism (7) are national standard three-level, and within 1/10 λ of surface aperture, angular accuracy is 5 " within；The benchmark four The lower surface of square glass prism (8) is bonded with the inclined-plane of benchmark prism (7), and two neighboring side is detection faces, two detection faces Perpendicular to one another with lower surface, precision is 5 " within, each face finish is national standard three-level, within 1/10 λ of surface aperture.
- The checking tool of control 8. a kind of optical prism side according to claim 6 is hung down, and be characterized in that：The benchmark three Reinforce connecting by reinforcement block (9) between prism (7) and benchmark four directions prism (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820463640.XU CN208005360U (en) | 2018-03-30 | 2018-03-30 | A kind of optical prism side hang down control positioning and checking tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820463640.XU CN208005360U (en) | 2018-03-30 | 2018-03-30 | A kind of optical prism side hang down control positioning and checking tool |
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| CN208005360U true CN208005360U (en) | 2018-10-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274339A (en) * | 2018-03-30 | 2018-07-13 | 马鞍山市江南光学有限公司 | A kind of positioning, checking tool and the processing method of the vertical control in optical prism side |
| CN109807696A (en) * | 2019-04-08 | 2019-05-28 | 苏州大学 | A kind of processing method of low centering error meniscus lens |
-
2018
- 2018-03-30 CN CN201820463640.XU patent/CN208005360U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274339A (en) * | 2018-03-30 | 2018-07-13 | 马鞍山市江南光学有限公司 | A kind of positioning, checking tool and the processing method of the vertical control in optical prism side |
| CN109807696A (en) * | 2019-04-08 | 2019-05-28 | 苏州大学 | A kind of processing method of low centering error meniscus lens |
| CN109807696B (en) * | 2019-04-08 | 2020-11-03 | 苏州大学 | Method for processing low-eccentricity meniscus lens |
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