CN103984075B - Two dimension angular adjustment rack - Google Patents
Two dimension angular adjustment rack Download PDFInfo
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- CN103984075B CN103984075B CN201410226509.8A CN201410226509A CN103984075B CN 103984075 B CN103984075 B CN 103984075B CN 201410226509 A CN201410226509 A CN 201410226509A CN 103984075 B CN103984075 B CN 103984075B
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Abstract
A kind of two dimension angular adjustment rack, comprises L-type pedestal, adjusting seat, two two-dimension flexible hinges, two rhizoid bars, two nuts, steel ball, two ball holes, three locating dowels, two circlips, the first attachment screw, the second attachment screw, hold-down screw and the 3rd attachment screws. The feature that the present invention has is simple in structure, screw mandrel processing request is low, transmission gapless, two dimension angular are adjusted the high and good rigidly of resolution ratio.
Description
Technical field
The present invention relates to two dimension angular adjustment rack, particularly a kind of high rigidity, differential drivingTwo dimension angular adjustment rack, 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, General Two-Dimensional guiding mechanismAdopt three dot structures or quadrature shaft to form and adjust rotating shaft, use spring that restoring force is provided, utilizeAccurate lead screw drives to improve adjusts resolution ratio; Because spring exists, adjustment rack rigidity deficiency is additionalWhile having retaining mechanism, in the time of locking screw mandrel, can make guiding mechanism positioning; In addition, as the essence drivingClose screw mandrel pitch is very little, and generally at 0.20～0.35mm, very high to processing request, cost is high,Make is that 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, provides a kind of for optical framesThe two dimension angular adjustment rack that sheet etc. are adjusted, this adjustment rack has high stability, high rigidity and screw mandrel and addsLow specific of work required precision.
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, twoRoot two-dimension flexible hinge, two rhizoid bars, two nuts, steel ball, two ball holes, three locating dowels,Two circlips, the first attachment screw, the second attachment screw, hold-down screws are connected spiral shell with the 3rdNail;
The corner of described L-type pedestal has pedestal ball pit hole, and two ends have respectively the first nutFixing hole and the second nut fixing hole, the centre of described adjusting seat has installs the peace of adjusting objectDress hole, solid with pedestal ball pit hole, the first nut fixing hole and second nut of described L-type pedestalDetermine corresponding position, hole and there is 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 cheated for described ball is installed,The second described attachment screw is successively through described pedestal ball pit hole, ball hole, steel ball, ball are cheatedWith adjusting seat ball pit hole and ball hole screw, described L-type pedestal and described adjusting seat are connected in to oneRise; Described nut is fixed on to the first spiral shell of L-type pedestal by tightening the first attachment screw simultaneouslyIn female fixing hole and the second nut fixing hole; Described screw mandrel have rear thread and preceding thread respectively with instituteThe driving screw of the nut of stating and two-dimension flexible hinge is connected, and the pitch of rear thread is greater than preceding thread,Groove between described preceding thread and rear thread is placed described circlip; Described two dimension is softProperty hinge cut the first orthogonal symmetrical arc groove to the second symmetrical arc groove pair, form both directionLittle thickness is respectively two flexible directions of the two-dimension flexible hinge of a and b, a≤b; Described twoIndividual two-dimension flexible hinge has first with described adjusting seat respectively with one end of boss and connecting screw holeThe first connecting hole of elongated slot is connected with the second connecting hole that has the second elongated slot, the first elongated slot and the second lengthGroove meets at right angles, and makes the first arc groove that described two-dimension flexible hinge minimum thickness is a to towards describedAdjusting seat ball pit hole; The first nut fixing hole center of described L-type pedestal and the second nut are solidDing Kong center equates for c and form right angle with the centre distance of pedestal ball pit hole; Described adjusting seatThe point C1 that the center of distance adjusting seat ball pit hole is c in two vertical direction and C2 and first connectThe center of Jie Kong center and the second connecting hole does not overlap, and departs from small distance on both directionD and e, and the center of the center of the first connecting hole and the second connecting hole is about a C1, C2 and tuneThe angular bisector symmetry at the right angle that the center of bed rearrangement ball pit hole forms; There are through hole and circle in described ball holeThe conical surface; Described steel ball has through hole; Described locating dowel is installed on the locating hole of described adjusting seat;Three described the 3rd hold-down screws are screwed in the fixing threaded hole of described adjusting seat, fixing to installBe placed in the adjustment object of described adjusting seat installing hole.
The periphery of the installing hole of described adjusting seat has conveniently to take adjusts the opening of object.
Described L-type pedestal has opening on the first nut fixing hole and the second nut fixing holeGroove.
On described L-type pedestal, there is installation fixing hole.
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 screw mandrelProcessing request and having compared with height adjustment resolution ratio;
3, the dislocation configuration of corresponding 3 the connecting hole positions of application adjusting seat and L pedestal causes two dimensionThe predeformation of flexible hinge is eliminated the gap between screw thread, makes joining of nut and screw mandrelClosing precision reduces greatly.
Brief description of the drawings
Fig. 1 is the stereogram 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 view of L-type pedestal 1 of the present invention;
Fig. 4 is the stereogram of L-type pedestal 1 of the present invention;
Fig. 5 is front view and two partial enlarged drawings of adjusting seat 2 of the present invention;
Fig. 6 is the stereogram of adjusting seat 2 of the present invention;
Fig. 7 is the stereogram of screw mandrel 4 of the present invention;
Fig. 8 is the front view of two-dimension flexible hinge 3 of the present invention;
Fig. 9 is the stereogram of two-dimension flexible hinge 3 of the present invention;
Figure 10 is the cutaway view of two-dimension flexible hinge 3 of the present invention 1-1 in Fig. 9;
Figure 11 is the stereogram in ball of the present invention hole 7;
Figure 12 is the stereogram of steel ball 6 of the present invention;
Figure 13 is the stereogram of nut 5 of the present invention;
Detailed description of the invention
Below in conjunction with accompanying drawing and instantiation, the invention will be further described, but not as to thisBright restriction.
As seen from the figure, two dimension angular adjustment rack embodiment of the present invention, form comprise L-type pedestal 1,Adjusting seat 2, two two-dimension flexible hinges 3, two rhizoid bars 4, two nuts 5, steel ball 6, twoIndividual ball hole 7, three locating dowels 8, two circlips 13, the first attachment screw 9, second connectScrew 10, hold-down screw 11 and the 3rd attachment screw 12;
The corner of described L-type pedestal 1 has pedestal ball pit hole 14, and two ends have respectively firstNut fixing hole 111 and the second nut fixing hole 116, the centre of described adjusting seat 2 has peaceDebug the installing hole 222 of whole object, with the pedestal ball pit hole 14, first of described L-type pedestal 1Nut fixing hole 111 and the corresponding position of the second nut fixing hole 116 have respectively adjusting seat ballPit 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 described for installingBall hole 7, the second described attachment screw 10 is successively through described pedestal ball pit hole 14, ball are cheated7, steel ball 6, ball hole 7 and adjusting seat ball pit hole 22 and ball hole screw 25 are by described L-type pedestal1 and described adjusting seat 2 connect together; Simultaneously by described nut 5 by tightening the first connectionScrew 9 is fixed on the first nut fixing hole 111 and the second nut fixing hole 116 of L-type pedestal 1In; Described screw mandrel 4 have rear thread 41 and preceding thread 42 respectively with described nut (5) and twoThe driving screw (31) of dimension flexible hinge (3) connects, and before the pitch of rear thread (41) is greater thanScrew thread (42), the groove 44 between described preceding thread (42) and rear thread (41) is placed instituteThe circlip 13 of stating; Described two-dimension flexible hinge 3 cuts the first orthogonal symmetrical arc groove to 35To 36, formation both direction minimum thickness is respectively the two-dimension flexible of a and b with the second symmetrical arc grooveTwo flexible directions of hinge 3, a≤b; Two described two-dimension flexible hinges 3 are with boss 33There is first of the first elongated slot 24 to be connected with described adjusting seat 2 respectively with one end of connecting screw hole 32Hole 21 is connected with the second connecting hole 23 that has the second elongated slot 26, the first elongated slot 24 and the second elongated slot26 meet at right angles, and the first arc groove that two-dimension flexible hinge 3 minimum thickness described in making are a is to 35 courtsTo the ball pit hole 22 of described adjusting seat 2; The first nut fixing hole 111 of described L-type pedestal 1Center A1 and the centre distance of the second nut fixing hole 116 center A2 and pedestal ball pit hole 14Equate for c and form right angle; Described adjusting seat 2 is distance adjusting seat ball in two vertical directionThe point C1 that pit hole 22 center is c is connected with the first connecting hole 21 center B1 and second with C2Kong23 center B2 does not overlap, and departs from small distance d and e on both direction, and theOne connecting hole 21 center B1 and the second connecting hole 23 center B2 be about a C1, C2 and adjustmentThe angular bisector symmetry at the right angle that seat ball pit hole 22 center forms; There is through hole in described ball hole 772 and taper seat 71; Described steel ball 6 has through hole 61; Described in described locating dowel 8 is installed onThe locating hole 29 of adjusting seat 2; Three described the 3rd hold-down screws 11 are screwed into described adjustmentIn seat 2 fixing threaded hole 221, so that adjusting seat 2 installing holes 222 described in fixedly being placed in to be installedAdjust object.
The periphery of the installing hole 222 of described adjusting seat 2 has conveniently to take adjusts the opening of object28。
Described L-type pedestal 1 is on the first nut fixing hole 111 and the second nut fixing hole 116Have open slot 112.
On described L-type pedestal, there is the fixing hole 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 first nut fixing holeThe distance of the distance of 111 center A1 and the second nut fixing hole 116 center A2 equates for cAnd vertical; As shown in Figure 5, the first connecting hole 21 center B1 of adjusting seat 2 is connected with secondKong23 center B2 and the point that distance adjusting seat ball pit hole 22 centers are c in two vertical directionC1 and C2 do not overlap, 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, C2 and adjusting seat ball pit hole 22 center structureThe angular bisector symmetry at the right angle becoming; Pack the boss 33 of two-dimension flexible hinge 3 bottom surfaces into elongated slot24 and elongated slot 26, as Fig. 1, shown in 2, assemble two dimension angular adjustment rack, due to offset or dish d and partiallyPut the existence apart from e, eliminated screw mandrel 4 and spiral shell thereby make two-dimension flexible hinge 3 that predeformation occurScrew Thread Fit Clearance between mother 5 and two-dimension flexible hinge 3; As shown in Figure 1, 2, nut 5Be fixed on the first nut fixing hole 111 and the second nut fixing hole of L-type pedestal 1 with screw 9116；
As shown in Figure 7, screw mandrel 4 has rear thread 41 and preceding thread 42, and the pitch of rear thread 41 is wantedBe greater than the pitch of preceding thread 42; Middle groove 44 assembles circlip 13, prevents that screw mandrel 4 from adjustingThe amount of haveing suffered is deviate from;
As Fig. 8, shown in 9,10, two-dimension flexible hinge 3 left ends have the screw 31 of driving and right-hand member to have evenConnect screw 32 and boss 33, there is the first arc groove that has symmetry on orthogonal both direction in stage casingTo 35 and second arc groove to 36, form the flexible dimension on two-dimension flexible hinge both direction, theOne 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 10Two ball holes 7 and steel ball 6 are 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 L-type pedestal 1The two-dimension flexible hinge 3 with steel ball 6 centers in ball pit hole 14 and another screw mandrel 4 correspondences thickThe line at the flexible center of arc groove that degree minimum of a value is a is that axle produces deflection.
Two dimension adjustment rack is fixedly attached on usage platform by the installation fixing hole 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), adjustsSeat (2), two two-dimension flexible hinges (3), two rhizoid bars (4), two nuts (5), steel ball(6), two ball hole (7), three locating dowels (8), two circlips (13), first connectScrew (9), the second attachment screw (10), hold-down screw (11), the 3rd attachment screw (12);
The corner of described L-type pedestal (1) has pedestal ball pit hole (14), described L-typePedestal (1) two ends have respectively the first nut fixing hole (111) and the second nut fixing hole (116),The centre of described adjusting seat (2) has installs the installing hole (222) of adjusting object, described tunePedestal ball pit hole (14), the first nut fixing hole of bed rearrangement (2) and described L-type pedestal (1)(111) and the second corresponding position of nut fixing hole (116) has respectively adjusting seat ball pit hole(22), the first connecting hole (21) and the second connecting hole (23);
Described pedestal ball pit hole (14) and described adjusting seat ball pit hole (22) are respectively used to peaceFill the ball hole (7) described in two, described the second attachment screw (10) is successively through described baseSeat ball pit hole (14), ball hole (7), steel ball (6) and another ball hole (7); Described adjusting seatBall pit hole (22) and ball hole screw (25) are by described L-type pedestal (1) and described adjusting seat(2) connect together; Simultaneously that described nut (5) is solid by tightening the first attachment screw (9)Fix on the first nut fixing hole (111) and the second nut fixing hole (116) of L-type pedestal (1)In; The preceding thread (42) of described screw mandrel (4) and rear thread (41) respectively with described two dimensionThe driving screw (31) of flexible hinge (3) is connected with nut (5), and rear thread (41)Pitch is greater than the pitch of preceding thread (42), described preceding thread (42) and rear thread (41) itBetween groove (44) place 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 minimum thickDegree is respectively two flexible directions of the two-dimension flexible hinge (3) of a and b, and a≤b; DescribedTwo two-dimension flexible hinges (3) with one end of boss (33) and connecting screw hole (32) respectivelyThere is first connecting hole (21) of the first elongated slot (24) with described adjusting seat (2) and haveSecond connecting hole (23) of two elongated slots (26) is connected, the first elongated slot (24) and the second elongated slot (26)Meet at right angles, the first symmetrical arc groove that two-dimension flexible hinge (3) minimum thickness described in making is a is to (35)Towards the ball pit hole (22) of described adjusting seat (2); The first spiral shell of described L-type pedestal (1)Mother fixing hole (111) center (A1) and the second nut fixing hole (116) center (A2) and baseThe centre distance of seat ball pit hole (14) is all c and form right angle; Described adjusting seat (2) is twoThe point C1 that in individual vertical direction, the center of the ball pit hole (22) of distance adjusting seat is c and C2 andOne connecting hole (21) center (B1) and the second connecting hole (23) center (B2) do not overlap,On both direction, depart from small distance d and e, and the center (B1) of the first connecting hole (21)With the center (B2) of the second connecting hole (23) about a C1, the ball pit hole (22) of C2 and adjusting seatThe angular bisector symmetry at right angle that forms of center; There are through hole (72) and circle in described ball hole (7)The conical surface (71); Described steel ball (6) has through hole (61); Described locating dowel (8) is installed onThe locating hole (29) of described adjusting seat (2); Hold-down screw (11) described in three is screwed into instituteIn the fixing threaded hole (221) of the adjusting seat (2) of stating, be fixedly placed in described adjusting seat to install(2) the adjustment object of installing hole (222).
2. two dimension angular adjustment rack according to claim 1, is characterized in that: described tuneThe periphery of the installing hole (222) of bed rearrangement (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 LType pedestal (1) has on the first nut fixing hole (111) and the second nut fixing hole (116)Open slot (112).
4. two dimension angular adjustment rack according to claim 1, is characterized in that: described LOn type pedestal, there is installation fixing hole (16).
5. two dimension angular adjustment rack according to claim 1, is characterized in that: described spiral shellFemale (5) have positioning boss (51).
6. two dimension angular adjustment rack according to claim 1, is characterized in that: described silkBar (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 |
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| Publication Number | Publication Date |
|---|---|
| CN103984075A CN103984075A (en) | 2014-08-13 |
| CN103984075B true CN103984075B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410226509.8A Active CN103984075B (en) | 2014-05-27 | 2014-05-27 | Two dimension angular adjustment rack |
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Families Citing this family (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 |
| CN108072953B (en) * | 2016-11-15 | 2023-12-08 | 深圳光峰科技股份有限公司 | First lens adjusting mechanism, lens adjusting module and projection equipment |
| CN108415137B (en) * | 2018-04-03 | 2019-12-03 | 中国科学院上海光学精密机械研究所 | A kind of optical angle adjustment frame |
| CN108761704B (en) * | 2018-05-23 | 2021-01-01 | 中国科学院上海光学精密机械研究所 | Two-plate type angle adjusting frame |
Family Cites Families (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 |
| CN101315452B (en) * | 2008-07-11 | 2010-09-08 | 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 |
| CN103487911B (en) * | 2013-10-11 | 2015-10-28 | 复旦大学 | From axle optical element precision positioning adjusting gear |
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| CN103984075A (en) | 2014-08-13 |
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