CN201186388Y - Machine tool micro-actuating jig for precision machining - Google Patents
Machine tool micro-actuating jig for precision machining Download PDFInfo
- Publication number
- CN201186388Y CN201186388Y CNU2007201911055U CN200720191105U CN201186388Y CN 201186388 Y CN201186388 Y CN 201186388Y CN U2007201911055 U CNU2007201911055 U CN U2007201911055U CN 200720191105 U CN200720191105 U CN 200720191105U CN 201186388 Y CN201186388 Y CN 201186388Y
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- movable block
- block
- piezoelectric ceramics
- dovetail
- guide pad
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Abstract
The utility model relates to a micro-implementing fixture of machine tool used for the precision finishing, which belongs to the precision finishing field and aims at solving the heat error due to the hot deformation of a machine tool during the precision finishing. The fixture is characterized in that a dovetail slide bearing on a Y direction movable block is matched with a dovetail groove of a base (1), the Y direction movable block (6) moves along the Y direction under the driving of a piezoelectric ceramic block A (17), a dovetail slide bearing of a X direction movable block is matched with a dovetail groove of Y direction movable block (6), and the X direction movable block (6) moves along the X direction under the driving of a piezoelectric ceramic block B (5), a dovetail slide bearing of a Z direction movable block (8) is matched with a dovetail groove of a guide pad (9), the Z direction movable block (6) moves along the Z direction under the driving of a piezoelectric ceramic block C (11). The utility model provides a machine tool fixture for the precision finishing, which has simple structure and is easy to be realized.
Description
Technical field:
The utility model relates to a kind of little execution anchor clamps of precision machined lathe that are used for, and in particular, the utility model relates to a kind of Precision Machining that is used for, and the drive anchor clamps that carry out real-time heat error compensation produce the anchor clamps microdrive of compensate for displacement.
Background technology:
The bit shift compensation method of the most serviceability temperature monitoring of existing heat error compensation technology, respectively the temperature and the displacement signal that will detect is transformed to little electric quantity signal by temperature sensor and displacement transducer, send device to convert the desired input electric quantity signal of A/D card to by change separately again.The A/D transition card converts analog quantity (voltage or electric current) to computer acceptable digital quantity signal and is input in the main frame and handles.Main frame is input to servo feed system by the control bus of Digit Control Machine Tool with signal then, and servo feed system carries out real-time error compensation automatically according to control signal that is provided and offset data.This compensation method is subjected to digital control system and servo feed system itself can produce these two aspect restrictions of error of can not ignore.
The utility model content
In order to address the above problem, overcome the deficiency of existing hot real-time error compensation technology, the utility model proposes a kind of little execution anchor clamps of precision machined lathe that are used for.
The utility model is characterised in that, comprises from bottom to up: base 1, this base have dovetail groove, at least one pair of piezoelectric ceramics block A17, at least one pair of is used for fixing the fixture A16 that drives the piezoelectric ceramics block A17 that the Y direction moves and adjusts screw A20;
Y is to movable block 6, this Y to movable block have dovetail slideway, dovetail groove, at least one pair of piezoelectric ceramics block B5, at least one pair of is used for fixing and drives directions X and move the fixture B4 of piezoelectric ceramics block B5 and adjust screw B19, and Y on movable block 6 dovetail slideway and the dovetail groove of base 1 match;
X is to movable block 7, this X has dovetail slideway, piezoelectric ceramics block D22, is used for fixing groove 21 that drives the piezoelectric ceramics block D22 that the Z direction moves and the screwed hole 23 that vertically extends to movable block, and X matches to the dovetail groove of movable block 6 to the dovetail slideway and the Y of movable block 7;
On same horizontal plane, and guide pad 9 is distributed in the both sides of Z to movable block 8 to movable block 8 for guide pad 9 and Z;
Guide pad 9, this guide pad have dovetail groove, at least one pair of piezoelectric ceramics block C11, at least one pair of is in being used for fixing the fixture C12 that drives the piezoelectric ceramics block C11 that the Z direction moves; And be provided with through hole to the screwed hole 23 relevant position guide pads 9 of movable block 7 with described X;
Z is to movable block 8, and this Z has dovetail slideway to movable block, and Z matches to the dovetail slideway of movable block 8 and the dovetail groove of guide pad 9; Z is provided with the screwed hole that even distribution is used for sectional fixture to movable block 8.
Computer connects the drive power supply for piezoelectric ceramics that drives piezoelectric ceramics block by the D/A device; The above-mentioned piezoelectric ceramics block A17 of drive power supply for piezoelectric ceramics connection drives anchor clamps and moves along the Y direction, connect above-mentioned piezoelectric ceramics block B5 and drive anchor clamps and move, connect piezoelectric ceramics block C11 and piezoelectric ceramics block D22 and drive anchor clamps and move along the Z direction along directions X.
The utility model has improved heat error compensation technical application in the Precision Machining, promptly by after the model prediction heat error compensation amount, not to make compensating signal be input to servo feed system to do compensating motion via the data/address bus of Digit Control Machine Tool, drive piezoelectric ceramics block but the Computer Compensation signal is input to drive power supply for piezoelectric ceramics by the D/A device, make microdrive produce the hot error of microbit in-migration real-Time Compensation.
Description of drawings:
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is a front view of the present utility model;
Fig. 3 is that the utility model X is to the movable block structural representation.
The specific embodiment
Be described below in conjunction with the microdrive that is used for the Precision Machining jig of accompanying drawing 1 to 3 couples of the utility model embodiment of accompanying drawing.
The microdrive of this embodiment mainly comprise base 1, Y to movable block 6, X to movable block 7, guide pad 9 and Z to movable block 8.
Y matches to the dovetail groove that movable block 6 is provided with dovetail slideway and base 1, the motion that Y produces the Y direction to movable block 6 under the effect of piezoelectric ceramics block A17.Y comes the adjusting play to the dovetail slideway of movable block 6 and the dovetail groove of base 1 by panel A18.The adjustment of panel A18 is finished by two adjustment screw A20 of base 1.Y is equipped with the fixture B4 of piezoelectric ceramics block B5 and piezoelectric ceramics block B5 to the movable block two ends.In addition, Y also is provided with dovetail groove and two adjustment screw B19 to movable block 6.
X is provided with dovetail slideway and Y matches to the dovetail groove of movable block 6 to movable block 7, the motion that X produces directions Xs to movable block 7 under the effect of piezoelectric ceramics block B5.X comes adjusting play to the dovetail groove of movable block 6 by panel B3 to the dovetail slideway and the Y of movable block 7.The adjustment of panel B3 is finished to two adjustment screw B19 of movable block 6 by Y.X also is provided with the fixed groove 21 of four piezoelectric ceramics block D22 and piezoelectric ceramics block D22 to movable block 7, and four have the screwed hole 23 that vertically extends.
A pair of guide pad 9 is provided with through hole at described X to movable block 7 described screwed holes 23 relevant positions, and is fixed in X on movable block 7 by four stud A14.Guide pad 9 is equipped with the fixture C12 of a pair of piezoelectric ceramics block C11 and piezoelectric ceramics block 11.In addition, guide pad 9 also is provided with dovetail groove.
Z matches to the dovetail groove that movable block 8 is provided with dovetail slideway and guide pad 9, produces relative motion.Z comes the adjusting play to the dovetail slideway of movable block 8 and the dovetail groove of guide pad 9 by panel C10.Z also is provided with equally distributed screwed hole to movable block 8, in order to stationary fixture.Under the driving of piezoelectric ceramics block A11 and piezoelectric ceramics block D22, the motion that Z produces with respect to the Z direction to movable block 8.
The fixture A16 of piezoelectric ceramics block A17 is fixed on the base 1 with bolt A15; The fixture B4 of piezoelectric ceramics block B5 is fixed on Y on movable block 6 with bolt A2; The fixture C12 of piezoelectric ceramics block C11 is fixed on the guide pad 9 with bolt A13.
The utility model has improved the real-Time Compensation effect of machine tool thermal error on the one hand, is not subjected to digital control system restriction on the other hand and can carries out real-Time Compensation to hot error, is easy to be extended and applied.
Claims (2)
1. one kind is used for the little execution anchor clamps of precision machined lathe, it is characterized in that, comprises from bottom to up:
Base (1), this base have dovetail groove, at least one pair of piezoelectric ceramics block A (17), at least one pair of is used for fixing fixture A (16) and the adjustment screw A (20) that drives the piezoelectric ceramics block A (17) that the Y direction moves;
Y is to movable block (6), this Y to movable block have dovetail slideway, dovetail groove, at least one pair of piezoelectric ceramics block B (5), at least one pair of is used for fixing and drives fixture B (4) and the adjustment screw B (19) that directions X moves piezoelectric ceramics block B (5), and Y on movable block (6) dovetail slideway and the dovetail groove of base (1) match;
X is to movable block (7), this X has dovetail slideway, piezoelectric ceramics block D (22), is used for fixing the groove (21) that drives the piezoelectric ceramics block D (22) that the Z direction moves and the screwed hole (23) of extension vertically to movable block, and X matches to the dovetail groove of movable block (6) to the dovetail slideway and the Y of movable block (7);
On same horizontal plane, and guide pad (9) is distributed in the both sides of Z to movable block (8) to movable block (8) for guide pad (9) and Z;
Guide pad (9), this guide pad have dovetail groove, at least one pair of piezoelectric ceramics block C (11), at least one pair of is in being used for fixing the fixture C (12) that drives the piezoelectric ceramics block C (11) that the Z direction moves; And be provided with through hole with screwed hole (23) the relevant position guide pad (9) of described X to movable block (7);
Z is to movable block (8), and this Z has dovetail slideway to movable block, and Z matches to the dovetail slideway of movable block (8) and the dovetail groove of guide pad (9); Z is provided with the screwed hole that even distribution is used for sectional fixture to movable block (8);
Computer connects the drive power supply for piezoelectric ceramics that drives piezoelectric ceramics block by the D/A device; The above-mentioned piezoelectric ceramics block A (17) of drive power supply for piezoelectric ceramics connection drives anchor clamps and moves along the Y direction, connect above-mentioned piezoelectric ceramics block B (5) and drive anchor clamps and move, connect piezoelectric ceramics block C (11) and piezoelectric ceramics block D (22) and drive anchor clamps and move along the Z direction along directions X.
2. a kind of little execution anchor clamps of precision machined lathe that are used for according to claim 1 is characterized in that described base (1) two ends also are provided with two boss, and each boss has at least two and the equal U-lag of platen T-slot spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201911055U CN201186388Y (en) | 2007-12-28 | 2007-12-28 | Machine tool micro-actuating jig for precision machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201911055U CN201186388Y (en) | 2007-12-28 | 2007-12-28 | Machine tool micro-actuating jig for precision machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201186388Y true CN201186388Y (en) | 2009-01-28 |
Family
ID=40309404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201911055U Expired - Lifetime CN201186388Y (en) | 2007-12-28 | 2007-12-28 | Machine tool micro-actuating jig for precision machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201186388Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176135A (en) * | 2011-01-30 | 2011-09-07 | 合肥工业大学 | Thermal error measuring and integrating system for numerical control machine tool |
| GB2483428A (en) * | 2010-08-25 | 2012-03-14 | Univ Leiden | A piezoelectric drive assembly |
| CN105278458A (en) * | 2015-11-19 | 2016-01-27 | 北京工业大学 | A numerical control machine tool thermal error compensation device and method |
-
2007
- 2007-12-28 CN CNU2007201911055U patent/CN201186388Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2483428A (en) * | 2010-08-25 | 2012-03-14 | Univ Leiden | A piezoelectric drive assembly |
| CN102176135A (en) * | 2011-01-30 | 2011-09-07 | 合肥工业大学 | Thermal error measuring and integrating system for numerical control machine tool |
| CN105278458A (en) * | 2015-11-19 | 2016-01-27 | 北京工业大学 | A numerical control machine tool thermal error compensation device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090128 |