CN103984075A - Two-dimensional angle adjusting frame - Google Patents
Two-dimensional angle adjusting frame Download PDFInfo
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- CN103984075A CN103984075A CN201410226509.8A CN201410226509A CN103984075A CN 103984075 A CN103984075 A CN 103984075A CN 201410226509 A CN201410226509 A CN 201410226509A CN 103984075 A CN103984075 A CN 103984075A
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- adjusting seat
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- fixed orifice
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Abstract
A two-dimensional angle adjusting frame comprises an L-shaped base, an adjusting base, two two-dimensional flexible hinges, two lead screws, two nuts, steel balls, two ball pits, three positioning columns, two elastic collars, a first connecting screw, a second connecting screw, a fixing screw and a third connecting screw. The two-dimensional angle adjusting frame has the advantages of being simple in structure, low in lead screw machining requirement, free of transmission gaps, high in two-dimensional angle adjusting resolution ratio and high in rigidity.
Description
Technical field
The present invention relates to two dimension angular adjustment rack, particularly two dimension angular adjustment rack a kind of high rigidity, differential driving, has especially reduced the processing request of screw mandrel.
Background technology
Two dimension angular adjustment rack is widely used in optical precision optical machinery field, and General Two-Dimensional adjusting mechanism adopts three dot structures or quadrature shaft to form and adjusts rotating shaft, uses spring that restoring force is provided, and utilizes accurate lead screw to drive raising to adjust resolution; Because spring exists, adjustment rack rigidity deficiency while being added with latch mechanism outward, can make adjusting mechanism positioning in the time of locking screw mandrel; In addition, very little as the accurate lead screw pitch driving, generally at 0.20～0.35mm, very high to processing request, cost is high, even accurate facing-up is also difficult to the gap of screw mandrel and nut to eliminate.
Summary of the invention
The object of the invention is to avoid the deficiency of existing two-dimentional adjustment rack, and a kind of two dimension angular adjustment rack of adjusting for optical mirror slip etc. is provided, and this adjustment rack has low specific of high stability, high rigidity and screw mandrel requirement on machining accuracy.
Technical solution of the present invention is as follows:
A kind of two dimension angular adjustment rack, feature is that its formation comprises L-type pedestal, adjusting seat, two two-dimension flexible hinges, two rhizoid bars, two nuts, steel ball, two ball holes, three reference columns, two circlips, the first attachment screw, the second attachment screw, gib screw and the 3rd attachment screws;
The corner of described L-type pedestal has pedestal ball pit hole, two ends have respectively the first nut fixed orifice and the second nut fixed orifice, the centre of described adjusting seat has to install adjusts the mounting hole of object, and the position corresponding with pedestal ball pit hole, the first nut fixed orifice and the second nut fixed orifice of described L-type pedestal has respectively adjusting seat ball pit hole, the first connecting hole and the second connecting hole;
The ball pit hole of described pedestal ball pit hole and described adjusting seat is for described ball hole is installed, and the second described attachment screw is successively through described pedestal ball pit hole, ball hole, steel ball, ball hole and adjusting seat ball pit hole and ball hole screw are connected together described L-type pedestal and described adjusting seat; Described nut is fixed on by tightening the first attachment screw in the first nut fixed orifice and the second nut fixed orifice of L-type pedestal simultaneously; Described screw mandrel has rear thread and preceding thread to be connected with described nut and the driving screw of two-dimension flexible hinge respectively, and the pitch of rear thread is greater than preceding thread, and the groove between described preceding thread and rear thread is placed described circlip; Described two-dimension flexible hinge cut the first orthogonal symmetrical arc groove to the second symmetrical arc groove pair, form both direction minimum thickness and be respectively two flexible directions of the two-dimension flexible hinge of a and b, a≤b; Two described two-dimension flexible hinges have the first connecting hole of the first elongated slot to be connected with the second connecting hole that has the second elongated slot with described adjusting seat respectively with one end of boss and connecting screw hole, the first elongated slot and the second elongated slot meet at right angles, and the first arc groove that the two-dimension flexible hinge minimum thickness described in making is a is to the adjusting seat ball pit hole towards described; The first nut fixed orifice center of described L-type pedestal and the second nut fixed orifice center equate for c and form right angle with the centre distance of pedestal ball pit hole; The point C1 that the center of described adjusting seat distance adjusting seat ball pit hole in two vertical direction is c and C2 do not overlap with the center of the first connecting hole and the center of the second connecting hole, on both direction, depart from small distance d and e, and the center of the center of the first connecting hole and the second connecting hole is about a C1, the angular bisector symmetry at the right angle that the center of C2 and adjusting seat ball pit hole forms; There are through hole and circular conical surface in described ball hole; Described steel ball has through hole; Described reference column is installed on the pilot hole of described adjusting seat; Three described the 3rd gib screws are screwed in the fixing threaded hole of described adjusting seat, so that the adjustment object that is fixedly placed in described adjusting seat mounting hole to be installed.
The periphery of the mounting hole of described adjusting seat has conveniently to take adjusts the opening of object.
Described L-type pedestal has open slot on the first nut fixed orifice and the second nut fixed orifice.
On described L-type pedestal, there is installation fixed orifice.
Described nut has positioning boss.
Described screw mandrel has interior hexagonal counterbore.
Technique effect of the present invention:
1, the present invention uses the two-dimension flexible hinge of high rigidity to improve rigidity and stability;
2, utilize screw mandrel to be connected with the differential thread of nut and flexible hinge, reduced the processing request of screw mandrel and had compared with height adjustment resolution;
3, the dislocation configuration of corresponding 3 the connecting hole positions of application adjusting seat and L pedestal causes the predeformation of two-dimension flexible hinge to eliminate the gap between screw thread, and the quality of fit of nut and screw mandrel is reduced greatly.
Brief description of the drawings
Fig. 1 is the stereographic map of two dimension angular adjustment rack of the present invention;
Fig. 2 is the explosive view of two dimension angular adjustment rack of the present invention;
Fig. 3 is the front elevation of L-type pedestal 1 of the present invention;
Fig. 4 is the stereographic map of L-type pedestal 1 of the present invention;
Fig. 5 is front elevation and two partial enlarged drawings of adjusting seat 2 of the present invention;
Fig. 6 is the stereographic map of adjusting seat 2 of the present invention;
Fig. 7 is the stereographic map of screw mandrel 4 of the present invention;
Fig. 8 is the front elevation of two-dimension flexible hinge 3 of the present invention;
Fig. 9 is the stereographic map of two-dimension flexible hinge 3 of the present invention;
Figure 10 is the cut-open view of two-dimension flexible hinge 3 of the present invention 1-1 in Fig. 9;
Figure 11 is the stereographic map in ball of the present invention hole 7;
Figure 12 is the stereographic map of steel ball 6 of the present invention;
Figure 13 is the stereographic map of nut 5 of the present invention;
Embodiment
Below in conjunction with accompanying drawing and instantiation, the invention will be further described, but not as a limitation of the invention.
As seen from the figure, two dimension angular adjustment rack embodiment of the present invention, forms and comprises L-type pedestal 1, adjusting seat 2, two two-dimension flexible hinges 3, two rhizoid bars 4, two nuts 5, steel ball 6, two ball holes 7, three reference columns 8, two circlips 13, the first attachment screw 9, the second attachment screw 10, gib screw 11 and the 3rd attachment screws 12;
The corner of described L-type pedestal 1 has pedestal ball pit hole 14, two ends have respectively the first nut fixed orifice 111 and the second nut fixed orifice 116, the centre of described adjusting seat 2 has to install adjusts the mounting hole 222 of object, and the position corresponding with pedestal ball pit hole 14, the first nut fixed orifice 111 and the second nut fixed orifice 116 of described L-type pedestal 1 has respectively adjusting seat ball pit hole 22, the first connecting hole 21 and the second connecting hole 23;
The ball pit hole 22 of described pedestal ball pit hole 14 and described adjusting seat is for described ball hole 7 is installed, and the second described attachment screw 10 is successively through described pedestal ball pit hole 14, ball hole 7, steel ball 6, ball hole 7 and adjusting seat ball pit hole 22 and ball hole screw 25 are connected together described L-type pedestal 1 and described adjusting seat 2; Described nut 5 is fixed on by tightening the first attachment screw 9 in the first nut fixed orifice 111 and the second nut fixed orifice 116 of L-type pedestal 1 simultaneously; Described screw mandrel 4 has rear thread 41 and preceding thread 42 to be connected with described nut (5) and the driving screw (31) of two-dimension flexible hinge (3) respectively, and the pitch of rear thread (41) is greater than preceding thread (42), the groove 44 between described preceding thread (42) and rear thread (41) is placed described circlip 13; Described two-dimension flexible hinge 3 cut the first orthogonal symmetrical arc groove to 35 and second symmetrical arc groove to 36, form both direction minimum thickness and be respectively two flexible directions of the two-dimension flexible hinge 3 of a and b, a≤b; Two described two-dimension flexible hinges 3 have the first connecting hole 21 of the first elongated slot 24 to be connected with the second connecting hole 23 that has the second elongated slot 26 with described adjusting seat 2 respectively with one end of boss 33 and connecting screw hole 32, the first elongated slot 24 and the second elongated slot 26 meet at right angles, and the first arc groove that two-dimension flexible hinge 3 minimum thickness described in making are a is to the 35 ball pit holes 22 towards described adjusting seat 2; The first nut fixed orifice 111 center A1 and the second nut fixed orifice 116 center A2 of described L-type pedestal 1 equate for c and form right angle with the centre distance of pedestal ball pit hole 14; The described adjusting seat 2 point C1 that distance adjusting seat ball pit hole 22 center is c in two vertical direction and C2 do not overlap with the first connecting hole 21 center B1 and the second connecting hole 23 center B2, on both direction, depart from small distance d and e, and the first connecting hole 21 center B1 and the second connecting hole 23 center B2 be about a C1, the angular bisector symmetry at the right angle that C2 and adjusting seat ball pit hole 22 center form; There are through hole 72 and circular conical surface 71 in described ball hole 7; Described steel ball 6 has through hole 61; Described reference column 8 is installed on the pilot hole 29 of described adjusting seat 2; Three described the 3rd gib screws 11 are screwed in the fixing threaded hole 221 of described adjusting seat 2, so that the adjustment object that is fixedly placed in described adjusting seat 2 mounting holes 222 to be installed.
The periphery of the mounting hole 222 of described adjusting seat 2 has conveniently to take adjusts the opening 28 of object.
Described L-type pedestal 1 has open slot 112 on the first nut fixed orifice 111 and the second nut fixed orifice 116.
On described L-type pedestal, there is the fixed orifice 16 of installation.
Described nut 5 has positioning boss 51.
Described screw mandrel 4 has interior hexagonal counterbore 43.
As shown in Figure 3, the pedestal ball pit hole 14 center of L-type pedestal 1 and the distance of the first nut fixed orifice 111 center A1 equate for c and vertical with the distance of the second nut fixed orifice 116 center A2; As shown in Figure 5, the first connecting hole 21 center B1 of adjusting seat 2 and the second connecting hole 23 center B2 do not overlap with some C1 and C2 that in two vertical direction, distance adjusting seat ball pit hole 22 centers are c, but on both direction, depart from small offset or dish d and offset or dish e, but central point B1 and central point B2 be about a C1, the angular bisector symmetry at the right angle that C2 and adjusting seat ball pit hole 22 center form; Pack the boss 33 of two-dimension flexible hinge 3 bottom surfaces into elongated slot 24 and elongated slot 26, as Fig. 1, shown in 2, assemble two dimension angular adjustment rack, due to the existence of offset or dish d and offset or dish e, eliminate the Screw Thread Fit Clearance between screw mandrel 4 and nut 5 and two-dimension flexible hinge 3 thereby make two-dimension flexible hinge 3 that predeformation occur; As shown in Figure 1, 2, nut 5 use screws 9 are fixed on the first nut fixed orifice 111 and the second nut fixed orifice 116 of L-type pedestal 1;
As shown in Figure 7, screw mandrel 4 has rear thread 41 and preceding thread 42, and the pitch of rear thread 41 is greater than the pitch of preceding thread 42; Middle groove 44 assembles circlip 13, prevent screw mandrel 4 adjust excessive deviate from;
As Fig. 8,9, shown in 10, two-dimension flexible hinge 3 left ends have the screw 31 of driving and right-hand member to have connecting screw hole 32 and boss 33, stage casing have on orthogonal both direction, have the first symmetrical arc groove to 35 and second arc groove to 36, form the flexible dimension on two-dimension flexible hinge both direction, the first arc groove to 35 and second arc groove the thickness at 36 minimum thickness places is respectively to a and b, and a≤b;
As Figure 11, shown in 12,2, the conical surface 71 in ball hole 7 coordinates with steel ball 6, with screw 10 using two balls cheat 7 and steel ball 6 be assembled in L-type pedestal 1 and adjusting seat 2 as rotating fulcrum;
As shown in Figure 1, drive arbitrary rhizoid bar 4 both can make adjusting seat 2 with respect to the thickness minimum value of the two-dimension flexible hinge 3 taking steel ball 6 centers in ball pit hole 14 and another screw mandrel 4 correspondences of L-type pedestal 1 as the line at the flexible center of arc groove of a be that axle produces deflection.
Two dimension adjustment rack is fixedly attached on usage platform by the installation fixed orifice 16 of L-type pedestal.
Claims (6)
1. a two dimension angular adjustment rack, is characterised in that its formation comprises L-type pedestal (1), adjusting seat (2), two two-dimension flexible hinges (3), two rhizoid bars (4), two nuts (5), steel ball (6), two balls holes (7), three reference columns (8), two circlips (13), the first attachment screw (9), the second attachment screw (10), gib screw (11), the 3rd attachment screw (12);
The corner of described L-type pedestal (1) has pedestal ball pit hole (14), two ends have respectively the first nut fixed orifice (111) and the second nut fixed orifice (116), the centre of described adjusting seat (2) has to install adjusts the mounting hole (222) of object, and the position corresponding with pedestal ball pit hole (14), the first nut fixed orifice (111) and the second nut fixed orifice (116) of described L-type pedestal (1) has respectively adjusting seat ball pit hole (22), the first connecting hole (21) and the second connecting hole (23);
The ball pit hole (22) of described pedestal ball pit hole (14) and described adjusting seat is for described ball hole (7) is installed, and described the second attachment screw (10) is successively through described pedestal ball pit hole (14), ball hole (7), steel ball (6), ball hole (7) and adjusting seat ball pit hole (22) and ball hole screw (25) are connected together described L-type pedestal (1) and described adjusting seat (2); Described nut (5) is fixed on by tightening the first attachment screw (9) in the first nut fixed orifice (111) and the second nut fixed orifice (116) of L-type pedestal (1) simultaneously; Described screw mandrel (4) has rear thread (41) and preceding thread (42) to be connected with described nut (5) and the driving screw (31) of two-dimension flexible hinge (3) respectively, and the pitch of rear thread (41) is greater than preceding thread (42), the groove (44) between described preceding thread (42) and rear thread (41) is placed described circlip (13); Described two-dimension flexible hinge (3) cut the first orthogonal symmetrical arc groove to (35) and the second symmetrical arc groove to (36), form two flexible directions that both direction minimum thickness is respectively the two-dimension flexible hinge (3) of a and b, a≤b; Described two two-dimension flexible hinges (3) have first connecting hole (21) of the first elongated slot (24) to be connected with the second connecting hole (23) that has the second elongated slot (26) with described adjusting seat (2) respectively with one end of boss (33) and connecting screw hole (32), the first elongated slot (24) meets at right angles with the second elongated slot (26), and the first arc groove that two-dimension flexible hinge (3) minimum thickness described in making is a is the ball pit hole (22) towards described adjusting seat (2) to (35); The first nut fixed orifice (111) center (A1) and second nut fixed orifice (116) center (A2) of described L-type pedestal (1) equate for c and form right angle with the centre distance of pedestal ball pit hole (14); The point C1 that the center of described adjusting seat (2) distance adjusting seat ball pit hole (22) in two vertical direction is c and C2 do not overlap with the first connecting hole (21) center (B1) and the second connecting hole (23) center (B2), on both direction, depart from small distance d and e, and the center (B1) of the first connecting hole (21) and the center (B2) of the second connecting hole (23) be about a C1, the angular bisector symmetry at the right angle that the center of C2 and adjusting seat ball pit hole (22) forms; There are through hole (72) and circular conical surface (71) in described ball hole (7); Described steel ball (6) has through hole (61); Described reference column (8) is installed on the pilot hole (29) of described adjusting seat (2); Three described the 3rd gib screws (11) are screwed in the fixing threaded hole (221) of described adjusting seat (2), so that the adjustment object that is fixedly placed in described adjusting seat (2) mounting hole (222) to be installed.
2. two dimension angular adjustment rack according to claim 1, is characterized in that: the periphery of the mounting hole (222) of described adjusting seat (2) has conveniently to take adjusts the opening (28) of object.
3. two dimension angular adjustment rack according to claim 1, is characterized in that: described L-type pedestal (1) has open slot (112) on the first nut fixed orifice (111) and the second nut fixed orifice (116).
4. two dimension angular adjustment rack according to claim 1, is characterized in that: on described L-type pedestal, have installation fixed orifice (16).
5. two dimension angular adjustment rack according to claim 1, is characterized in that: described nut (5) has positioning boss (51).
6. two dimension angular adjustment rack according to claim 1, is characterized in that: described screw mandrel (4) has interior hexagonal counterbore (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226509.8A CN103984075B (en) | 2014-05-27 | 2014-05-27 | Two dimension angular adjustment rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226509.8A CN103984075B (en) | 2014-05-27 | 2014-05-27 | Two dimension angular adjustment rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103984075A true CN103984075A (en) | 2014-08-13 |
| CN103984075B CN103984075B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410226509.8A Active CN103984075B (en) | 2014-05-27 | 2014-05-27 | Two dimension angular adjustment rack |
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| CN (1) | CN103984075B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974550A (en) * | 2016-07-27 | 2016-09-28 | 西安工业大学 | High-precision optical machine adjustment system |
| WO2018090767A1 (en) * | 2016-11-15 | 2018-05-24 | 深圳市光峰光电技术有限公司 | First lens adjustment mechanism, lens adjustment module, and projection device |
| CN108415137A (en) * | 2018-04-03 | 2018-08-17 | 中国科学院上海光学精密机械研究所 | A kind of optical angle adjustment frame |
| CN108761704A (en) * | 2018-05-23 | 2018-11-06 | 中国科学院上海光学精密机械研究所 | A kind of two-plate angular adjustment frame |
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| JP2006178324A (en) * | 2004-12-24 | 2006-07-06 | Toshiba Corp | Optical component holding device and optical component holding method |
| JP2008209537A (en) * | 2007-02-26 | 2008-09-11 | Olympus Corp | Lens centering device and lens centering method |
| CN101315452A (en) * | 2008-07-11 | 2008-12-03 | 中国科学院国家天文台南京天文光学技术研究所 | Non-extensible guide two-dimension translational controlling mechanism using spring with the shape of the character omega |
| CN102809793A (en) * | 2012-08-31 | 2012-12-05 | 苏州信达光电科技有限公司 | Grating adjusting mechanism |
| CN103487911A (en) * | 2013-10-11 | 2014-01-01 | 复旦大学 | Precision positioning and adjusting device for off-axis optical element |
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2014
- 2014-05-27 CN CN201410226509.8A patent/CN103984075B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006178324A (en) * | 2004-12-24 | 2006-07-06 | Toshiba Corp | Optical component holding device and optical component holding method |
| JP2008209537A (en) * | 2007-02-26 | 2008-09-11 | Olympus Corp | Lens centering device and lens centering method |
| CN101315452A (en) * | 2008-07-11 | 2008-12-03 | 中国科学院国家天文台南京天文光学技术研究所 | Non-extensible guide two-dimension translational controlling mechanism using spring with the shape of the character omega |
| CN102809793A (en) * | 2012-08-31 | 2012-12-05 | 苏州信达光电科技有限公司 | Grating adjusting mechanism |
| CN103487911A (en) * | 2013-10-11 | 2014-01-01 | 复旦大学 | Precision positioning and adjusting device for off-axis optical element |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974550A (en) * | 2016-07-27 | 2016-09-28 | 西安工业大学 | High-precision optical machine adjustment system |
| WO2018090767A1 (en) * | 2016-11-15 | 2018-05-24 | 深圳市光峰光电技术有限公司 | First lens adjustment mechanism, lens adjustment module, and projection device |
| CN108415137A (en) * | 2018-04-03 | 2018-08-17 | 中国科学院上海光学精密机械研究所 | A kind of optical angle adjustment frame |
| CN108761704A (en) * | 2018-05-23 | 2018-11-06 | 中国科学院上海光学精密机械研究所 | A kind of two-plate angular adjustment frame |
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| Publication number | Publication date |
|---|---|
| CN103984075B (en) | 2016-05-11 |
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