CN1466153A - Miniature rotary platform for precision machinery - Google Patents
Miniature rotary platform for precision machinery Download PDFInfo
- Publication number
- CN1466153A CN1466153A CNA021240418A CN02124041A CN1466153A CN 1466153 A CN1466153 A CN 1466153A CN A021240418 A CNA021240418 A CN A021240418A CN 02124041 A CN02124041 A CN 02124041A CN 1466153 A CN1466153 A CN 1466153A
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- Prior art keywords
- turntable
- rotation seat
- center
- magnetic patch
- screw thread
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Abstract
The invention is a micro-rotation platform which is used in precise machine. It includes rotary base, rotary desk and spiral mandril device; the rotary base likes a basin with flat bottom and has a vertical tangent on one side, the basin wall is embedded with at least a couple of magnet, there is magnetism isolating ring on the external wall; there is a tiny protruding desk with a screw at the centre of the bottom; there sets scroll bearing at the centre of the rotary desk, one end of the small axis which is fixed with the axis inner hole has whorls and connects with the screw whorls of rotary base, the rotary base is fixed in the rotary base; there sets a couple of magnets on the side wall of rotary desk, there sets transverse pole on position which has the same distance with the magnets on the external wall, the spiral mandril device is set on the vertical tangent of one side of the rotary base.
Description
Technical field
The present invention relates to a kind of micro rotary table that is used for precision optical machinery, particularly relate to a kind of Miniature rotary platform for precision machinery that is used for photoelectricity precision optical machinery instrument, instrument.
Background technology
In the prior art, in the design of precision optical machinery motion, to obtain a rotational action, normally drive by clockwork spring, as: mechanical clock, in addition, when the precision optical machinery motion needs a limited angle to rotate, all adopt torsion spring, extension spring sheet to drive on the common mechanical.Above-described structure, moulding are complicated and not compact.
Summary of the invention
The objective of the invention is to propose a kind of novel little rotation structure fully, with the Miniature rotary platform for precision machinery of parts such as the alternative torsion spring of magnetic material, this Miniature rotary platform for precision machinery compact conformation, simple, handsome in appearance, easy to use.
Technical scheme of the present invention is as follows:
Miniature rotary platform for precision machinery provided by the invention is characterized in that, this micro rotary table comprises rotation seat 9, turntable 12 and spiral pin-lift arrangement 20;
Described rotation seat 9 is the flat basin type rotation seat that a side has plumb cut 91, and inlaying at least one pair of on its inboard tub wall is the magnetic patch 7 of symmetry with the rotation seat center, suit one shielding magnetism-isolating loop 13 on rotation seat 9 outer walls; Turntable 9 bottom center place is provided with the miniature boss 95 of band center screw 94;
Described turntable 12 is a circular platform type turntable, the center has a stepped hole, rolling bearing is installed in the stepped hole, the center of fixedlying connected with this rolling bearing endoporus little axle 10 1 ends are threaded, the little axle in this screwed center 10 is threaded with the center screw 94 of rotation seat 9 centers, and turntable 12 is fixed in rotation seat 9 tub walls; Inlaying a pair of on turntable 12 lateral walls is the magnetic patch 6 of symmetry with turntable 12 centers, with this horizontal driving levers 8 are installed in equidistant positions of magnetic patch 6 on turntable 12 lateral walls, the magnetic pole of the magnetic patch of inlaying on described magnetic patch 6 and the rotation seat 9 inboard tub walls 6 is identical or opposite;
Fixed installation spiral pin-lift arrangement 20 on the plumb cut 91 of described rotation seat 9 one sides, this spiral pin-lift arrangement 20 comprises a step screw rodb base 5, the short platform of this step screw rodb base 5 is provided with circular vertical through hole, one screw thread pair 16 is housed in the vertical through hole of this circle, hard-wired horizontal driving lever 8 passes step screw rodb base 5 and contacts with the arc-shaped upper ends of screw thread pair 16 on turntable 12 lateral walls, and the screw thread pair lower end is installed one and manually twisted with the fingers hand 17 or an elasticity shaft coupling that links to each other with stepper motor is installed;
The material of described magnetic patch 6 and magnetic patch 7 is a neodymium iron boron; Described screw thread pair 16 is a no gap sense screw thread pair, and its top is the semicircle arcuation; A semicircle orifice is established in described screw thread pair 16 upper ends, and a steel ball 1 is installed in the semicircle orifice, and the upper end of steel ball 1 contacts with horizontal driving lever 8 lower ends.
The invention has the advantages that:
Hysterisis error during the rotational structure that Miniature rotary platform for precision machinery provided by the invention has overcome prior art is rotated, and the uneven shortcoming of elastic force in using;
The present invention is because the magnetic patch that has adopted magnetic material to manufacture, utilize the magnetic material heteropole to inhale mutually, the principle of homopolar-repulsion is made twisting resistance, magnetic element does not directly contact with movement parts, its acting force is even, relax, stablize, can reach very high little commentaries on classics precision, can be widely used in precision optical machinery and the photoelectricity precision instrumentation.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention;
Accompanying drawing 2 is the cut-open view of accompanying drawing 1;
Accompanying drawing 3 is the structural representation of step screw rodb base 5;
Accompanying drawing 4 is the structural representation of rotation seat 9;
Wherein: steel ball 1 step screw rodb base 5 magnetic patch 6
Center little axle 10 rolling bearings 15 turntables 12
Shielding magnetic shield 13 center screws 94 plumb cuts 91
Manually twist with the fingers hand 17 miniature boss 95 screw thread pairs 15
Spiral pin-lift arrangement 20 packing rings 14
Embodiment
Accompanying drawing 1 is a structural representation of the present invention; Accompanying drawing 2 is the cut-open view of accompanying drawing 1; Accompanying drawing 3 is the structural representation of step screw rodb base 5; Accompanying drawing 4 is the structural representation of rotation seat 9; As seen from the figure, the Miniature rotary platform for precision machinery that present embodiment provides comprises rotation seat 9, turntable 12 and spiral pin-lift arrangement 20;
Described rotation seat 9 is the flat basin type rotation seat that a side has plumb cut 91, and inlaying at least one pair of on its inboard tub wall is the magnetic patch 7 of symmetry with the rotation seat center, suit one shielding magnetism-isolating loop 13 on rotation seat 9 outer walls; Turntable 9 bottom center place is provided with the miniature boss 95 of band center screw 94;
Described turntable 12 is a circular platform type turntable, the center has a stepped hole, rolling bearing 15 is installed in the stepped hole, and (present embodiment has been installed two rolling bearings, one packing ring 14 is installed) between the two bearings, the center of fixedlying connected with this rolling bearing endoporus little axle 10 1 ends are threaded, the little axle in this screwed center 10 is threaded with the center screw 94 of rotation seat 9 centers, and turntable 12 is fixed in rotation seat 9 tub walls; Inlaying a pair of on turntable 12 lateral walls is the magnetic patch 6 of symmetry with turntable 12 centers, on turntable 12 lateral walls, a horizontal driving lever 8 is installed in magnetic patch 6 equidistant positions with this, in the present embodiment, the magnetic pole of the magnetic patch of inlaying on magnetic patch 6 and the rotation seat 9 inboard tub walls 6 identical (also can on the contrary);
Fixed installation spiral pin-lift arrangement 20 on the plumb cut 91 of described rotation seat 9 one sides, this spiral pin-lift arrangement 20 comprises a step screw rodb base 5, the short platform of this step screw rodb base 5 is provided with circular vertical through hole, one screw thread pair 16 is housed in the vertical through hole of this circle, hard-wired horizontal driving lever 8 passes step screw rodb base 5 and contacts the installation one manual hand 17 (an elasticity shaft coupling that links to each other with stepper motor also can be installed) of twisting with the fingers in screw thread pair 16 lower ends with the arc-shaped upper ends of screw thread pair 16 on turntable 12 lateral walls;
The material of described magnetic patch 6 and magnetic patch 7 is a neodymium iron boron; Described screw thread pair 16 is a no gap sense screw thread pair, and its top is the semicircle arcuation; A semicircle orifice is established in described screw thread pair 16 upper ends, and a steel ball 1 is installed in the semicircle orifice, and the upper end of steel ball 1 contacts with horizontal driving lever 8 lower ends.
Claims (5)
1. a Miniature rotary platform for precision machinery is characterized in that, this micro rotary table comprises rotation seat (9), turntable (12) and spiral pin-lift arrangement (20);
Described rotation seat (9) is the flat basin type rotation seat that a side has plumb cut (91), and inlaying at least one pair of on its inboard tub wall is the magnetic patch (7) of symmetry with the rotation seat center, suit one shielding magnetism-isolating loop (13) on rotation seat (9) outer wall; Turntable (9) bottom center place is provided with the miniature boss (95) of band center screw (94);
Described turntable (12) is a circular platform type turntable, the center has a stepped hole, rolling bearing is installed in the stepped hole, the center of fixedlying connected with this rolling bearing endoporus little axle (10) one ends are threaded, the little axle in this screwed center (10) is threaded with the center screw (94) of rotation seat (9) center, and turntable (12) is fixed in rotation seat (9) tub wall; Inlaying a pair of on turntable (12) lateral wall is the magnetic patch (6) of symmetry with turntable (12) center, with this a horizontal driving lever (8) is installed in magnetic patch 6 equidistant positions on turntable (12) lateral wall;
The plumb cut (91) of described rotation seat (9) one sides is gone up fixed installation spiral pin-lift arrangement (20), this spiral pin-lift arrangement (20) comprises a step screw rodb base (5), the short platform of this step screw rodb base (5) is provided with circular vertical through hole, one screw thread pair (16) is housed in the vertical through hole of this circle, hard-wired horizontal driving lever (8) passes step screw rodb base (5) and contacts with the arc-shaped upper ends of screw thread pair (16) on turntable (12) lateral wall, and screw thread pair (16) lower end is installed one and manually twisted with the fingers hand (17) or an elasticity shaft coupling that links to each other with stepper motor is installed.
2. by the described Miniature rotary platform for precision machinery of claim 1, it is characterized in that: the material of described magnetic patch (6) and magnetic patch (7) is a neodymium iron boron.
3. by the described Miniature rotary platform for precision machinery of claim 1, it is characterized in that: the magnetic pole of the magnetic patch of inlaying on described magnetic patch (6) and the inboard tub wall of rotation seat (9) (6) is identical or opposite.
4. by the described Miniature rotary platform for precision machinery of claim 1, it is characterized in that: described screw thread pair (16) is a no gap sense screw thread pair, and its top is the semicircle arcuation.
5. by the described Miniature rotary platform for precision machinery of claim 1, it is characterized in that: a semicircle orifice is established in described screw thread pair (16) upper end, and a steel ball (1) is installed in the semicircle orifice, and the upper end of steel ball (1) contacts with horizontal driving lever (8) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021240418A CN1466153A (en) | 2002-06-18 | 2002-06-18 | Miniature rotary platform for precision machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021240418A CN1466153A (en) | 2002-06-18 | 2002-06-18 | Miniature rotary platform for precision machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1466153A true CN1466153A (en) | 2004-01-07 |
Family
ID=34142598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021240418A Pending CN1466153A (en) | 2002-06-18 | 2002-06-18 | Miniature rotary platform for precision machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1466153A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561260B (en) * | 2008-04-16 | 2011-04-20 | 周其 | Optical fibre end face surveymeter |
-
2002
- 2002-06-18 CN CNA021240418A patent/CN1466153A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101561260B (en) * | 2008-04-16 | 2011-04-20 | 周其 | Optical fibre end face surveymeter |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Addressee: Xian Miao Document name: Deemed as a notice of withdrawal (Trial) |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |