CN201316907Y - Direct drive type double-shaft rotating platform based on inner rotor torque motor - Google Patents
Direct drive type double-shaft rotating platform based on inner rotor torque motor Download PDFInfo
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- CN201316907Y CN201316907Y CNU2008202317355U CN200820231735U CN201316907Y CN 201316907 Y CN201316907 Y CN 201316907Y CN U2008202317355 U CNU2008202317355 U CN U2008202317355U CN 200820231735 U CN200820231735 U CN 200820231735U CN 201316907 Y CN201316907 Y CN 201316907Y
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- torque motor
- rotating shaft
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- clamping mechanism
- rotary shaft
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Abstract
The utility model relates to a direct drive type double-shaft rotating platform based on inner rotor torque motor, which comprises a platform body, an operating platform, a left base and a right base, wherein a rotary shaft torque motor stator, a rotary shaft torque motor rotor, a rotary shaft supporting body and a rotary shaft round grating ruler are installed in the platform body, a rotary shaft clamping mechanism is arranged between the rotary shaft supporting body and the rotary shaft torque motor rotor, a left torque motor stator and a clamping mechanism are installed on the left base, an inner rotor torque motor stator, a rotor, a clamping mechanism and a rotary shaft structure in the right base are the same as the left base, and a pendulum shaft round grating ruler is installed between an end cap of the right base and the right rotary shaft. The direct drive type double-shaft rotating platform based on inner rotor torque motor adopts an inner rotor torque motor for driving directly without redundant actuating mechanisms, has compact structure, small abrasion, high precision and big torque, two inner rotor torque motors whose pendulum shafts are symmetrically distributed overcome the defect that the inner rotor torque motor has small torque, and the direct drive type double-shaft rotating platform based on inner rotor torque motor has more uniform and rational force, and stable operation.
Description
Technical field
The utility model relates to a kind of novel direct drive formula double axle table that is used for Digit Control Machine Tool, is that the direct driving technologies of using the internal rotor torque motor replaces traditional worm and gear actuation techniques to realize a kind of new structure of double axle table specifically.
Background technology
The mechanical transmission scheme of the most employings of traditional double axle table, mainly be to utilize transmission mechanisms such as worm and gear, rack-and-pinion to realize rotatablely moving and swinging, its weak point is: thus the machine driving link exists backlass, bigger rotary inertia, the long-time use to be easy to generate the shortcomings such as causing precise decreasing of wearing and tearing.
Along with the development of direct driving technologies, replace rotatablely moving of frame for movement realization turntable and swing the inexorable trend that becomes turntable future development with torque motor.Torque motor mainly is divided into external-rotor-type force moment motor and inner-rotor-type torque motor, the torque motor majority of existing main torque motor manufacturers produce both domestic and external is the inner-rotor-type torque motor, therefore inner-rotor-type torque motor price is relatively low, popularizes and reduces production costs easilier.Produce the big characteristics of moment of torsion under the equal volume condition though external-rotor-type force moment motor has, also exist because dispel the heat at the stator inner ring simultaneously, area of dissipation is little, and temperature rise is too high, thus the shortcoming that causes moment of torsion to descend.Because under the identical torque condition, less in the inner space based on the double axle table of outer rotor torque motor, the inner space utilization rate is lower, therefore there is the bigger shortcoming of turntable height of design simultaneously.Even the turntable of realizing with the internal rotor torque motor exists the turntable height big too, the shortcoming that fastening torque is low.
Summary of the invention
In order to solve the problem of above-mentioned existence, the utility model provide a kind of moment of torsion big, operate steadily, the direct driving type dual spindle turntable based on the internal rotor torque motor of compact conformation, good heat dissipation effect; The purpose of this utility model is achieved through the following technical solutions: based on the direct driving type dual spindle turntable of internal rotor torque motor, comprise stage body (011), go up installment work platform (014) at stage body (011), stage body (011) bilateral symmetry is provided with left pedestal (001), right pedestal (029), rotating shaft torque motor stator (012) is installed in stage body (011), in rotating shaft torque motor rotor (013), be provided with rotating shaft supporter (016), one end of rotating shaft supporter (016) is fixed on the stage body (011), the other end is equipped with axial/radial bearing (017), rotating shaft supporter (016) installed inside has the circular grating chi (015) of rotating shaft, between rotating shaft supporter (016) and rotating shaft torque motor rotor (013), be provided with rotating shaft clamping mechanism (019), between rotating shaft clamping mechanism (019) and rotating shaft torque motor rotor (013), be provided with rotating shaft spacer (018), rotating shaft torque motor rotor (013) is connected with workbench (014) by rotating shaft spacer (018), left side torque motor stator (002) is installed on left pedestal (001), be provided with spacer (004) between clamping mechanism (005) and the left side torque motor rotor (003), clamping mechanism (005) is fixed on the end cap (007) of left pedestal (001), left side torque motor rotor (003) is connected with left side spin rotating shaft (008) by spacer (004), axial/radial bearing (009) is installed in the left side spin rotating shaft (008) between left side spin rotating shaft (008) and end cap (007), swivel joint (006) is installed, the inner internal rotor torque motor of right pedestal (029) stator, rotor, clamping mechanism, revolute axes configuration is interior identical with left pedestal (001), the circular grating chi (024) of swinging axle is installed, the left side between the end cap (023) of right pedestal (029) and right side rotating shaft (021), right side rotating shaft (008,021) respectively by rocking arm (010,020) is connected with stage body (011).
The cooling bath of described each internal rotor torque motor is arranged on the outside of stator separately.
The beneficial effects of the utility model: the utility model adopts the internal rotor torque motor directly to drive, is the contraction in length of feeding driving-chain zero, problems such as the backlass in having solved that mechanical type transmission link in the past exists, unnecessary rotary inertia, wearing and tearing have realized the exclusive high speed of torque motor, high acceleration, low noise, high-precision characteristic; Two internal rotor torque motors that adopt symmetry to be arranged in parallel have solved the less relatively shortcoming of internal rotor torque motor moment of torsion, and the structural design of symmetric arrangement also makes the cradle structure stress more even, and it is more steady to move; Because the torque motor of same moment of torsion, the internal rotor torque motor has relatively large inner space, and therefore with bearing, clamping mechanism is located at the inside of rotor, has reduced the thickness of turntable effectively.(
660 millimeters table top, the thickness of turntable can drop in 230 millimeters) make structure more compact; Between the rotor of each motor and clamping mechanism, be provided with spacer, with rotor and clamping mechanism separately, also increased the active area of clamping mechanism in to the infringement of rotor effectively reducing clamp power like this, increase fastening torque.The integrated form clamping mechanism, the mounting means of employing plug-in makes whole turntable clamp mechanism more simple, installs more convenient; Because the cooling bath of internal rotor torque motor is arranged on the outside of stator, has bigger area of dissipation, therefore have more good radiating effect, increased the moment of torsion of each, and the cooling cabling is more convenient reliable; The relative thickness of thin rotation stage body makes in the control of distance of swinging axle and work top more flexibly, is more conducive to adjust according to the actual conditions of the weight and volume of workpiece, reduces the swinging axle tilting moment.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present utility model;
Fig. 2 is a side view of the present utility model.
Among the figure, 001 left pedestal, 002 left side torque motor stator, 003 left side torque motor rotor, 004 spacer, 005 clamping mechanism, 006 swivel joint, 007 end cap, 008 left side spin rotating shaft, 009 axial/radial bearing, 010 rocking arm, 011 stage body, 012 rotating shaft torque motor stator, 013 rotating shaft torque motor rotor, 014 workbench, the circular grating chi of 015 rotating shaft, 016 rotating shaft supporter, 017 axial/radial bearing, 018 rotating shaft spacer, 019 rotating shaft clamping mechanism, 020 rocking arm, 021 right side rotating shaft, 022 right side torque motor stator, 023 end cap, the circular grating chi of 024 swinging axle, 025 axial/radial bearing, 026 clamping mechanism, 027 spacer, 028 right side torque motor rotor, 029 right pedestal, 030,031,032 cooling bath, 033 swinging axle, 034 rotating shaft.
The specific embodiment
Below in conjunction with the specific embodiment the utility model is described in further detail.
As shown in Figure 1, direct driving type dual spindle turntable based on the internal rotor torque motor, installment work platform 014 on stage body 011, rotating shaft torque motor stator 012 is installed in stage body 011, the outside at rotating shaft torque motor stator 012 is shaped on cooling bath 031, in rotating shaft torque motor rotor 013, be provided with rotating shaft supporter 016, one end of rotating shaft supporter 016 is fixed on the stage body 011, the other end is equipped with axial/radial bearing 017, rotating shaft supporter 016 installed inside has the circular grating chi 015 of rotating shaft, between rotating shaft supporter 016 and rotating shaft torque motor rotor 013, be provided with rotating shaft clamping mechanism 019, between rotating shaft clamping mechanism 019 and rotating shaft torque motor rotor 013, be provided with rotating shaft spacer 018, rotating shaft torque motor rotor 013 is connected with workbench 014 by rotating shaft spacer 018, be provided with left pedestal 001 in stage body 011 bilateral symmetry, right pedestal 029, left side torque motor stator 002 is installed on left pedestal 001, the outside at left side torque motor stator 002 is shaped on cooling bath 030, be provided with spacer 004 between clamping mechanism 005 and the left side torque motor rotor 003, clamping mechanism 005 is fixed on the end cap 007 of left pedestal 001, left side torque motor rotor 003 is connected with left side spin rotating shaft 008 by spacer 004, axial/radial bearing 009 is installed in the left side spin rotating shaft 008, between left side spin rotating shaft 008 and end cap 007, swivel joint 006 is installed, right side torque motor stator 022 is installed on right pedestal 029, the outside at right side torque motor stator 022 is shaped on cooling bath 032, be provided with spacer 027 between clamping mechanism 026 and the right side torque motor rotor 022, clamping mechanism 026 is fixed on the end cap 023 of right pedestal 029, right side torque motor rotor 028 is connected with right side rotating shaft 021 by spacer 027, axial/radial bearing 025 is installed on the right side rotating shaft 021, the circular grating chi 024 of swinging axle is installed, the left side between the end cap 023 of right pedestal 029 and right side rotating shaft 021, right side rotating shaft 008,021 respectively by rocking arm 010,020 is connected with stage body 011.
The cooling bath of internal rotor torque motor is arranged on the outside of stator, not only has the big advantage of area of dissipation, and brought convenience for the cabling of cooling water, the cable hole of cooling water is all opened on stage body or left and right sides pedestal, has reduced the complexity of stage body gut line.Make full use of the inner space of internal rotor, swivel joint is installed, solved the cooling in the rotating shaft motion process and the routing problem of hydraulic oil at the left pedestal of turntable; Right pedestal is realized the cable routing of rotating shaft and the circular grating chi of swinging axle is set, realizes the accurate location in ° scope of pendulum angle ± 95.
The utility model based on the course of work of the twin shaft direct driving type dual spindle turntable of internal rotor torque motor is: be fixed on workpiece on the work top by T type groove, directly driving realization by rotating shaft internal rotor torque motor rotatablely moves, guarantee the accurate location that its 360 ° * n angular range is interior by the circular grating chi of rotating shaft, when the processing request angle that rotates to appointment need be located, hydraulic oil enters into the clamping mechanism of turntable by the swivel joint in left side, clamping mechanism expands outward and rotating shaft spacer inner surface is fitted, produce the clamp moment of torsion, the rotating shaft location, in the course of work, cooling water is by the left side spin adapter, the left side spin rotating shaft, oil circuit on left side rocking arm and the stage body enters in the annular chamber of motor, and the heat that motor produces is taken out of.Simultaneously, on swinging axle 033, the swing related with rotating shaft 034, directly drive by two internal rotor torque motors that drive in parallel, be in the circular grating chi of swinging axle in the pedestal of right side, as shown in Figure 2, guarantee workpiece swing interval ± accurate location in 95 ° of scopes.When the processing request angle that swings to appointment need be located, hydraulic oil entered into the clamping mechanism of the left and right sides respectively simultaneously, and the clamping mechanism of the left and right sides expands outward, respectively with about two the inner surface of spacer fit, acting in conjunction produces the clamp moment of torsion, the swinging axle location.In the course of work, the heat of two motors is taken away by the cooling water that feeds in the left and right sides and the body.As the functional part of multi-shaft interlocked high-grade, digitally controlled machine tools, when for example carrying out Machining of Curved Surface such as blade, by digital control system control, the processing of curved surface is finished in rotating shaft and swinging axle interlock.
Claims (2)
1. based on the direct driving type dual spindle turntable of internal rotor torque motor, comprise stage body (011), go up installment work platform (014) at stage body (011), it is characterized in that: stage body (011) bilateral symmetry is provided with left pedestal (001), right pedestal (029), rotating shaft torque motor stator (012) is installed in stage body (011), in rotating shaft torque motor rotor (013), be provided with rotating shaft supporter (016), one end of rotating shaft supporter (016) is fixed on the stage body (011), the other end is equipped with axial/radial bearing (017), rotating shaft supporter (016) installed inside has the circular grating chi (015) of rotating shaft, between rotating shaft supporter (016) and rotating shaft torque motor rotor (013), be provided with rotating shaft clamping mechanism (019), between rotating shaft clamping mechanism (019) and rotating shaft torque motor rotor (013), be provided with rotating shaft spacer (018), rotating shaft torque motor rotor (013) is connected with workbench (014) by rotating shaft spacer (018), left side torque motor stator (002) is installed on left pedestal (001), be provided with spacer (004) between clamping mechanism (005) and the left side torque motor rotor (003), clamping mechanism (005) is fixed on the end cap (007) of left pedestal (001), left side torque motor rotor (003) is connected with left side spin rotating shaft (008) by spacer (004), axial/radial bearing (009) is installed in the left side spin rotating shaft (008) between left side spin rotating shaft (008) and end cap (007), swivel joint (006) is installed, the inner internal rotor torque motor of right pedestal (029) stator, rotor, clamping mechanism, revolute axes configuration is interior identical with left pedestal (001), the circular grating chi (024) of swinging axle is installed, the left side between the end cap (023) of right pedestal (029) and right side rotating shaft (021), right side rotating shaft (008,021) respectively by rocking arm (010,020) is connected with stage body (011).
2. according to the described direct driving type dual spindle turntable of claim 1, it is characterized in that the cooling bath of described each internal rotor torque motor is arranged on the outside of stator separately based on the internal rotor torque motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202317355U CN201316907Y (en) | 2008-12-16 | 2008-12-16 | Direct drive type double-shaft rotating platform based on inner rotor torque motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202317355U CN201316907Y (en) | 2008-12-16 | 2008-12-16 | Direct drive type double-shaft rotating platform based on inner rotor torque motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201316907Y true CN201316907Y (en) | 2009-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202317355U Expired - Lifetime CN201316907Y (en) | 2008-12-16 | 2008-12-16 | Direct drive type double-shaft rotating platform based on inner rotor torque motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201316907Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069409A (en) * | 2010-11-12 | 2011-05-25 | 中捷机床有限公司 | Double-swing cutter head driven by alternating-current permanent-magnet synchronous inner rotor torque motor |
| CN102267054A (en) * | 2011-07-01 | 2011-12-07 | 沈阳机床(集团)有限责任公司 | Precision regulation mechanism and precision regulation method for numerical control double-shaft turntable |
| CN102390019A (en) * | 2010-11-18 | 2012-03-28 | 西安合升动力科技有限公司 | Alternating-current permanent-magnet synchronous motor driving-type machine tool worktable |
| CN102407449A (en) * | 2011-11-29 | 2012-04-11 | 上海三一精机有限公司 | Machine tool and working table device thereof |
| CN106002313A (en) * | 2016-07-07 | 2016-10-12 | 宝鸡忠诚机床股份有限公司 | Single-arm type milling and turning composite double-rotation workbench |
| TWI577491B (en) * | 2014-06-27 | 2017-04-11 | 東台精機股份有限公司 | Multi-axis machine tool with rotatable working table |
| CN109366385A (en) * | 2018-10-18 | 2019-02-22 | 九江精密测试技术研究所 | A kind of electro-hydraulic five axis composite turntable of combination drive of big unbalance loading shafting |
-
2008
- 2008-12-16 CN CNU2008202317355U patent/CN201316907Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069409A (en) * | 2010-11-12 | 2011-05-25 | 中捷机床有限公司 | Double-swing cutter head driven by alternating-current permanent-magnet synchronous inner rotor torque motor |
| CN102069409B (en) * | 2010-11-12 | 2013-03-27 | 中捷机床有限公司 | Double-swing cutter head driven by alternating-current permanent-magnet synchronous inner rotor torque motor |
| CN102390019A (en) * | 2010-11-18 | 2012-03-28 | 西安合升动力科技有限公司 | Alternating-current permanent-magnet synchronous motor driving-type machine tool worktable |
| CN102267054A (en) * | 2011-07-01 | 2011-12-07 | 沈阳机床(集团)有限责任公司 | Precision regulation mechanism and precision regulation method for numerical control double-shaft turntable |
| CN102407449A (en) * | 2011-11-29 | 2012-04-11 | 上海三一精机有限公司 | Machine tool and working table device thereof |
| CN102407449B (en) * | 2011-11-29 | 2014-04-02 | 上海三一精机有限公司 | Machine tool and working table device thereof |
| TWI577491B (en) * | 2014-06-27 | 2017-04-11 | 東台精機股份有限公司 | Multi-axis machine tool with rotatable working table |
| CN106002313A (en) * | 2016-07-07 | 2016-10-12 | 宝鸡忠诚机床股份有限公司 | Single-arm type milling and turning composite double-rotation workbench |
| CN109366385A (en) * | 2018-10-18 | 2019-02-22 | 九江精密测试技术研究所 | A kind of electro-hydraulic five axis composite turntable of combination drive of big unbalance loading shafting |
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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: 20090930 |