CN202742123U - Large-stroke two-axis linear fast tool servo device - Google Patents
Large-stroke two-axis linear fast tool servo device Download PDFInfo
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- CN202742123U CN202742123U CN 201220147354 CN201220147354U CN202742123U CN 202742123 U CN202742123 U CN 202742123U CN 201220147354 CN201220147354 CN 201220147354 CN 201220147354 U CN201220147354 U CN 201220147354U CN 202742123 U CN202742123 U CN 202742123U
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- flexible hinge
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- stroke
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Abstract
The utility model relates to a large-stroke two-axis linear fast tool servo device, which is suitable for using a diamond cutting method to create a non-rotational symmetric optical free-form surface. The device is mainly composed of a base body, an actuator, a disturbance canceling device and a knife rest, wherein the disturbance canceling device achieves the movement disturbance cutting function of the device on an X direction and a Z direction through flexure hinges. Voice coil motor rotors with an ultra-precision drive function act on a main flexure hinge through the disturbance canceling device, and a diamond tool is driven so as to realize the large-stroke linear high-frequency reciprocating servo movement of the diamond tool on the X direction and the Z direction. The large-stroke two-axis linear fast tool servo device has the advantages of simple structure, low cost and fastness in taking effects, increases the positioning precision and the driving precision of FTS, and can realize the multi-degree of freedom, large-stroke and high-frequency response reciprocating linear movement of the FTS.
Description
Technical field
The present invention relates to a kind of large stroke diaxon orthoscopic fast tool servo, be applicable to the technical fields such as ultra-precise cutting and optical precision component turning processing.
Background technology
Freeform optics surface is called again non-rotating symmetrical optical surface, because it has very large design space, can improve optical property, thereby realize the simplification of optical system and the lightweight of structure etc., this is so that freeform optics surface all has extremely widely application demand at the key areas of a lot of national economy, comprises the consumer fields such as the industrial circle such as space industry, aviation field, national defence field and automobile, mobile phone, communication.
Can the freeform optics part realize the extensive use in above-mentioned various fields, and can its key still be create into freeform optics surface precise high-efficiency.At present the wound of freeform optics surface becomes method mainly to comprise to copy that shapings, grinding/polishing/milling, diamond fly to cut, the slowly servo diamond turning of supporting plate and fast tool servo diamond turning etc.International academic community and industrial quarters generally believe that the diamond turning (FTS) based on fast tool servo is that the most rising a kind of freeform optics surface is created into method now.
Yet also exist some key issues to require study to the research of FTS up to now and solve, these problems mainly comprise: one, the research of most FTS also is confined to single-degree-of-freedom FTS, can not realize the synchronous reciprocating motion of X-axis and Z axis because of it and can't realize that the surface topography of cutter path planning is from main control; Two, the stroke of existing FTS mostly is greatly micron order, and this has just limited the performance of FTS, thereby can not embody the superiority of FTS fully; Three, the stroke of FTS and its response frequency are contradiction all the time, how to realize that the large distance high frequency sound of multiple degrees of freedom of FTS should require study and solve.
Summary of the invention
The present invention relates to a kind of large stroke diaxon orthoscopic fast tool servo.This device can realize that the large distance high frequency of diamond cutter on directions X and Z direction moves back and forth, and has subdued simultaneously the displacement of cutter on Y-direction and has disturbed, and has realized the large stroke of FTS, micro-nano positioning accuracy, high frequency sound and multiple degrees of freedom function.This device can be used for realizing efficiently, critically preparing the freeform optics surface part on the devices such as ultra-precise cutting processing and optical precision component turning processing.A kind of large stroke diaxon orthoscopic fast tool servo, be comprised of matrix, driver, disturbance damper and knife rest etc., wherein: matrix is made of the first side plate (1a), the second side plate (1b), the first support plate (1c), the second support plate (1d), cover plate (1e) and base plate (1f); Driver is comprised of the first voice coil motor (2a) and the second voice coil motor (2b); The disturbance damper is made of the first damper device (3a) and the second damper device (3b); Knife rest is comprised of main flexible hinge (4) and diamond cutter (5), it is characterized in that: the stator of the first voice coil motor is fixed on the first side plate; The stator of the second voice coil motor is fixed on the second side plate; The rotor of the first voice coil motor acts on the main flexible hinge by the first damper device; The rotor of the second voice coil motor acts on the main flexible hinge by the second damper device; Diamond cutter is fixed on by two groups of flexible hinges (4a1,4a2,4b1,4b2) by on the three-dimensional symmetrical main flexible hinge that consists of.
The present invention can obviously improve the positioning accuracy of FTS and drive precision; Can realize the linear reciprocating motion of the multiple degrees of freedom of FTS, large stroke and high frequency sound; Have simple in structure, the characteristics such as cost is low, instant effect.
Description of drawings
Fig. 1 is a kind of axis of no-feathering mapping of large stroke diaxon orthoscopic fast tool servo.
Fig. 2 is a kind of structure top view of large stroke diaxon orthoscopic fast tool servo.
Fig. 3 is a kind of structure front view of large stroke diaxon orthoscopic fast tool servo.
Fig. 4 is the tomograph of damper device in a kind of large stroke diaxon orthoscopic fast tool servo, (a) is that tomograph, (b) of the first damper device is the tomograph of the second damper device.
Fig. 5 is the tomograph of main flexible hinge in a kind of large stroke diaxon orthoscopic fast tool servo.
Fig. 6 is the fundamental diagram of main flexible hinge.
The specific embodiment
The invention will be further described below in conjunction with the accompanying drawing example illustrated.
This device mainly is comprised of matrix, driver, disturbance damper and knife rest.Matrix is made of side plate (1a, 1b), support plate (1c, 1d), cover plate (1e) and base plate (1f), side plate (1a, 1b), support plate (1c, 1d) are fixed on the base plate (1f), cover plate (1e) is fixed on the support plate (1c, 1d), and device is take base plate (1f) as supporting; Driver is comprised of two voice coil motors (2a, 2b), and the stator of voice coil motor is fixed on the side plate, and the rotor of voice coil motor and damper device are connected; The disturbance damper is comprised of two damper devices (3a, 3b), and damper device and main flexible hinge (4) are connected; Knife rest is comprised of main flexible hinge (4) and diamond cutter (5), and main flexible hinge (4) one ends are fixing on the cover board and the other end is fixed on the base plate, and diamond cutter (5) is fixed on the main flexible hinge (4).
Damper device (3a) is realized the subdue function of diamond cutter (5) from the Moving Disturbance of directions X by two flexible hinges (3a1,3a2); Damper device (3b) is realized the subdue function of diamond cutter (5) from the Moving Disturbance of Z direction by two flexible hinges (3b1,3b2); Main flexible hinge (4) is made of by three-dimensional symmetry two groups of flexible hinges (4a1,4a2 and 4b1,4b2), with the linear reciprocating motion of realization diamond cutter (5) on directions X and Z direction, and finally eliminate the displacement of diamond cutter (5) on Y-direction by the structural symmetry of main flexible hinge (4) and disturb.
Under original state, during voice coil motor (2a, 2b) no power, main flexible hinge (4) is in poised state; Lower in working order, respectively voice coil motor (2a, 2b) is switched on.The first voice coil motor (2a) acts on the main flexible hinge (4) by the first damper device (3a), realizes being fixed on diamond cutter (5) on the main flexible hinge (4) at the large stroke linear reciprocating motion of directions X.The second voice coil motor (2b) acts on the main flexible hinge (4) by the second damper device (3b), realizes being fixed on diamond cutter (5) on the main flexible hinge (4) at the large stroke linear reciprocating motion of directions X.
Claims (4)
1. large stroke diaxon orthoscopic fast tool servo, be comprised of matrix, driver, disturbance damper and knife rest etc., wherein: matrix is made of the first side plate (1a), the second side plate (1b), the first support plate (1c), the second support plate (1d), cover plate (1e) and base plate (1f); Driver is comprised of the first voice coil motor (2a) and the second voice coil motor (2b); The disturbance damper is made of the first damper device (3a) and the second damper device (3b); Knife rest is comprised of main flexible hinge (4) and diamond cutter (5), it is characterized in that: the stator of the first voice coil motor is fixed on the first side plate; The stator of the second voice coil motor is fixed on the second side plate; The rotor of the first voice coil motor acts on the main flexible hinge by the first damper device; The rotor of the second voice coil motor acts on the main flexible hinge by the second damper device; Diamond cutter is fixed on by two groups of flexible hinges (4a1,4a2,4b1,4b2) by on the three-dimensional symmetrical main flexible hinge that consists of.
2. a kind of large stroke diaxon orthoscopic fast tool servo according to claim 1 is characterized by: the first damper device and the second damper device come respectively the Moving Disturbance of implement device on directions X and Z direction to subdue function by first group of flexible hinge (3a1,3a2) and second group of flexible hinge (3b1,3b2) respectively.
3. a kind of large stroke diaxon orthoscopic fast tool servo according to claim 1, it is characterized by: main flexible hinge is made of by three-dimensional symmetry two groups of flexible hinges, with the motion of realization diamond cutter on directions X and Z direction, and eliminate the displacement of diamond cutter on Y-direction and disturb.
4. a kind of large stroke diaxon orthoscopic fast tool servo according to claim 1, it is characterized by: the rotor of the first voice coil motor acts on the main flexible hinge by the first damper device, realizes that diamond cutter is at the accurate large stroke orthoscopic high-frequency reciprocating servo motion of directions X; The rotor of the second voice coil motor acts on the main flexible hinge by the second damper device, realizes that diamond cutter is at the accurate large stroke orthoscopic high-frequency reciprocating servo motion of Z direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147354 CN202742123U (en) | 2012-04-10 | 2012-04-10 | Large-stroke two-axis linear fast tool servo device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147354 CN202742123U (en) | 2012-04-10 | 2012-04-10 | Large-stroke two-axis linear fast tool servo device |
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| CN202742123U true CN202742123U (en) | 2013-02-20 |
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| CN 201220147354 Expired - Fee Related CN202742123U (en) | 2012-04-10 | 2012-04-10 | Large-stroke two-axis linear fast tool servo device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615542A (en) * | 2012-04-10 | 2012-08-01 | 吉林大学 | Long-travel two-axis linear fast tool servo device |
| CN103978392A (en) * | 2014-05-20 | 2014-08-13 | 广东工业大学 | Micro-feeding device with adjustable rigidity frequency based on mobile support |
-
2012
- 2012-04-10 CN CN 201220147354 patent/CN202742123U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102615542A (en) * | 2012-04-10 | 2012-08-01 | 吉林大学 | Long-travel two-axis linear fast tool servo device |
| CN103978392A (en) * | 2014-05-20 | 2014-08-13 | 广东工业大学 | Micro-feeding device with adjustable rigidity frequency based on mobile support |
| CN103978392B (en) * | 2014-05-20 | 2016-08-24 | 广东工业大学 | Micro-feeding device based on the mobile rigidity frequency-adjustable supported |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20140410 |