CN102029543A - Serial and parallel swing mechanism of AC (alternating current) permanent magnet synchronous exterior rotor type torque motor - Google Patents
Serial and parallel swing mechanism of AC (alternating current) permanent magnet synchronous exterior rotor type torque motor Download PDFInfo
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- CN102029543A CN102029543A CN 201010263162 CN201010263162A CN102029543A CN 102029543 A CN102029543 A CN 102029543A CN 201010263162 CN201010263162 CN 201010263162 CN 201010263162 A CN201010263162 A CN 201010263162A CN 102029543 A CN102029543 A CN 102029543A
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Abstract
The invention relates to a serial and parallel swing mechanism of an AC (alternating current) permanent magnet synchronous exterior rotor type torque motor, comprising a core shaft, a rear end cover, an upper end torque motor exterior rotor, a lower end torque motor exterior rotor, an upper end torque motor stator and a lower end torque motor stator, wherein the inner ends of the upper end torque motor stator and the lower end torque motor stator are both connected with a water-cooled jacket, the water-cooled jacket is connected with the rear end cover through an oil distribution ring, the rear end cover is connected with a shell; the upper end torque motor exterior rotor is connected with a front end transmission piece through a spacing sleeve, the front end transmission piece is connected with a front end connecting piece, the lower end torque motor exterior rotor is directly connected with the front end transmission piece; and the front end of the shell is provided with a turntable bearing and matched with the front end transmission piece and the front end connecting piece, and the tail end of the rear end cover is provided with a tail end supporting bearing and matched with the core shaft. In the invention, two exterior rotor type torque motors are integrated into an overall driving swing unit by adopting a serial or parallel connection structure, so that the output torque of the motor is large, and the manufacture cost of the swing mechanism is reduced.
Description
Technical field
The present invention relates to a kind of AC permanent-magnet synchronous external rotor torque motor series and parallel slew gear, be used for five machining centers and use the slew gear of functional parts such as B axle and high pulling torque turntable with double pendulum angle numerical control universal milling head, turnning and milling Compositions of metal-working machines, more particularly, be that the direct driving of using the accurate outer rotor torque motor serial or parallel connection of two station symbols realizes mechanism's revolution.
Background technology
Along with the development of direct driving technologies, replace machine driving to become the inexorable trend of slew gear future development with torque motor.Though external-rotor-type force moment motor has under the equal volume condition than the big characteristics of inner-rotor-type torque motor moment of torsion, but comparatively speaking, under the certain space condition, the driving torque of separate unit external-rotor-type force moment motor is still little a lot of than mechanically operated driving torque, therefore in order to increase the driving torque of external-rotor-type force moment motor, prior art is to adopt two external-rotor-type force moment motors are linked together substantially, to reach the purpose that increases driving torque, the solution of this technology generally includes two kinds: the one, the stator of two external-rotor-type force moment motors is connected firmly together by torque motor manufacturer, and adopt a special elongated rotor simultaneously; The 2nd, by the external-rotor-type force moment motor of the special lengthening of torque motor manufacturer.These two kinds of solutions all are nonstandard motors, simultaneously, in order to make the slew gear can angle orientation, usually the outer rotor circumference being carried out accurate grinding is used for the clamping and positioning system and carries out hydraulic clamp, nonstandard motor and rotor excircle carry out grinding makes the cost of existing external-rotor-type slew gear increase greatly, has directly hindered the development and the wide model of direct driving technologies and has used.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of AC permanent-magnet synchronous external rotor torque motor series and parallel slew gear, the version that this mechanism adopts serial or parallel connection to connect is combined into whole driving turning unit with two external-rotor-type force moment motors, the output torque of motor is big, has reduced the manufacturing cost of slew gear simultaneously.
For overcoming the above problems, concrete technical scheme of the present invention is as follows: a kind of AC permanent-magnet synchronous external rotor torque motor series connection slew gear, comprise mandrel, rear end cap, upper end torque motor outer rotor, upper end torque motor stator, lower end torque motor outer rotor and lower end torque motor stator, be connected with water collar jointly at the inboard of described upper end torque motor stator and lower end torque motor stator, water collar is connected with rear end cap by the distribution oil ring with the mandrel cooperation, and rear end cap is connected with shell body; Described upper end torque motor outer rotor is connected with the front end driving member by spacer, and spacer is connected with preceding end connection by the front end driving member, and lower end torque motor outer rotor directly is connected with the front end driving member; Front end at shell body is provided with the turntable bearing, and the turntable bearing cooperates with front end driving member and preceding end connection simultaneously, is provided with the end support bearing at the tail end of rear end cap, and the end support bearing while cooperates with mandrel.
Between the outer wall of the inwall of shell body and spacer, also be provided with hydraulic contracting.
On the excircle of described water collar, be provided with annular cooling bath with the contact-making surface of torque motor stator.
The inner periphery of described water collar is provided with the trough of axial direction; Described mandrel is the inner hollow structure.
The present invention adopts the external-rotor-type force moment motor direct driving technologies, is the contraction in length that drives driving-chain zero, solve problems such as backlass in the mechanical type transmission in the past, wearing and tearing, realized the exclusive high speed of torque motor, high acceleration, low noise, high-precision characteristic; The version that adopts serial or parallel connection to connect is combined into whole driving turning unit with two external-rotor-type force moment motors, has solved the less relatively shortcoming of separate unit outer rotor torque motor moment of torsion; Two torque motors all adopt the external-rotor-type force moment motor of normal structure common on the market, and have reduced the cost of slew gear largely.
In the design of clamp mechanism, utilized unique spacer to connect the version of outer rotor fully, the effect circumferential surface of hydraulic contracting has been transferred to the excircle of outer rotor the external peripheral surface of spacer, reduced effectively because processing purchase cost that processing of torque motor outer rotor and heat treatment bring and rotor clamp the design risk of distortion, make positioned at arbitrary angles more accurate, and obtained bigger fastening torque.
Described water collar is provided with annular cooling bath, and cooperate with the stator of upper and lower side torque motor and to form separately independently cooling cycle chamber, water collar is provided with independently cooling water outlet and inlet of upper and lower side torque motor, makes motor form separately independently cooling recirculation system.
The inner periphery of described water collar is provided with the trough of axial direction; Described mandrel is the inner hollow structure.This structure can be reserved torque motor cable routing space, and the cable that the upper and lower side outer rotor torque motor is clipped in the middle of the mechanism can be by freely drawing in the cavity.
In sum, the present invention can be as the C axle of double pendulum angle numerical control universal milling head, and turnning and milling is compound to be used with B axle and the slew gears such as turntable with high pulling torque revolution requirement.Have not only that driving torque is big, fastening torque is big, good cooling results, rotating speed height, precision height, do not have backlass and do not have the characteristics of wearing and tearing, and having ± 360 ° big corner revolution range, is to realize double pendulum angle numerical control universal milling head, the compound key mechanism with key feature such as B axle unit and turntables of turnning and milling.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail:
Fig. 1 is an AC permanent-magnet synchronous external rotor torque motor series connection slew gear structural representation.
Fig. 2 is an AC permanent-magnet synchronous external rotor torque motor slew gear structural representation in parallel.
Fig. 3 is the stereogram of water collar.
01-turntable bearing, 02-shell body, 03-water collar, the 04-spacer, 05-mandrel, 06-end support bearing, the 07-rear end cap, 08-upper end torque motor outer rotor, 09-upper end torque motor stator, 1-0 lower end torque motor outer rotor, 11-lower end torque motor stator, 12-hydraulic contracting, the 13-distribution oil ring, end connection before the 14-front end driving member, 15-, 16-annular cooling bath, the 17-trough.
The specific embodiment
Embodiment one:
As Fig. 1, shown in 2, a kind of AC permanent-magnet synchronous external rotor torque motor series connection slew gear, comprise mandrel 05, rear end cap 07, upper end torque motor outer rotor 08, upper end torque motor stator 09, lower end torque motor outer rotor 10 and lower end torque motor stator 11, be connected with water collar 03 jointly at the inboard of described upper end torque motor stator 09 and lower end torque motor stator 11, water collar 03 is connected with rear end cap 07 by the distribution oil ring 13 with mandrel 05 cooperation, rear end cap 07 is connected with shell body 01, the inner periphery of described distribution oil ring 13 also is provided with 18 roads sealing ring-shaped groove, its objective is to guarantee that gas separates with the sound of liquid medium UNICOM between mandrel 05 and the distribution oil ring 13; Described upper end torque motor outer rotor 08 is connected with front end driving member 14 by spacer, spacer 04 is connected with preceding end connection 15 by front end driving member 14, lower end torque motor outer rotor 10 directly is connected with front end driving member 14, preceding end connection 15 is installation end fluted disc, hydraulic pressure blind rivet, electric hydraulic quick coupler, hydraulic pressure or pneumatic hydraulic quick coupler as required, to realize the quick change of front-end functionality unit power and associated media; Front end at shell body 02 is provided with turntable bearing 01, turntable bearing 01 cooperates with front end driving member 14 and preceding end connection 15 simultaneously, the characteristics of this turntable bearing 01 are for can bear bigger axial force, radial load and tilting moment, stable with the arrangement that guarantees slew gear, integrated high accuracy angular encoder in turntable bearing 01 simultaneously is beneficial to the accurate location of slew gear; Tail end at rear end cap 07 is provided with end support bearing 06, and end support bearing 06 cooperates with mandrel 05 simultaneously.Between the outer wall of the inwall of shell body 02 and spacer 04, also be provided with hydraulic contracting 12, meeting dilatancy when the hydraulic oil in the hydraulic contracting 12 reaches certain pressure, the outer surface of the inner surface of hydraulic contracting 12 and spacer 04 is fitted, produce fastening torque, the rotating shaft location, thus can cooperate the high accuracy angular encoder that is integrated in preceding end bearing to reach the purpose of arbitrarily angled calibration.
As shown in Figure 3, on the excircle of described water collar 03, be provided with annular cooling bath 16 with the contact-making surface of torque motor stator 09,11, the water collar upper and lower side is provided with independently cooling water outlet and inlet of torque motor, makes motor form separately independently cooling recirculation system.The inner periphery of described water collar 03 is provided with the trough 17 of axial direction; Described mandrel 05 is the inner hollow structure, and trough 17 can be reserved torque motor cable routing space after making up with distribution oil ring 13, and mandrel 05 inside is hollow structure, reserves the cable routing space to front-end architecture.
Embodiment two:
As shown in Figure 2, a kind of AC permanent-magnet synchronous external rotor torque motor slew gear in parallel, described upper end torque motor stator 09 and the displacement of torque motor outer rotor 08 upper and lower end face, upper end, 180 ° of i.e. upper end torque motor stator, outer rotor 09,08 whole upsets, corresponding setting is at the spacer 04 and the also corresponding lengthening of hydraulic contracting 12 in torque motor outer rotor 08 outside, upper end, to guarantee that upper end torque motor outer rotor 08 effectively is connected with spacer 04, all the other structures are identical with embodiment one.
Claims (5)
1. AC permanent-magnet synchronous external rotor torque motor string, slew gear in parallel, comprise mandrel (05), rear end cap (07), upper end torque motor outer rotor (08), upper end torque motor stator (09), lower end torque motor outer rotor (10) and lower end torque motor stator (11), it is characterized in that: be connected with water collar (03) jointly at the inboard of described upper end torque motor stator (09) and lower end torque motor stator (11), water collar (03) is connected with rear end cap (07) by the distribution oil ring (13) with mandrel (05) cooperation, and rear end cap (07) is connected with shell body (01); Described upper end torque motor outer rotor (08) is connected with front end driving member (14) by spacer, and spacer (04) is connected with preceding end connection (15) by front end driving member (14), and lower end torque motor outer rotor (10) directly is connected with front end driving member (14); Front end at shell body (02) is provided with turntable bearing (01), turntable bearing (01) cooperates with front end driving member (14) and preceding end connection (15) simultaneously, tail end at rear end cap (07) is provided with end support bearing (06), and end support bearing (06) cooperates with mandrel (05) simultaneously.
2. torque motor series and parallel slew gear as claimed in claim 1 is characterized in that: also be provided with hydraulic contracting (12) between the outer wall of the inwall of shell body (02) and spacer (04).
3. as claim 1 and 2 described torque motor series and parallel slew gears, it is characterized in that: on the excircle of described water collar (03), be provided with annular cooling bath (16) with the contact-making surface of torque motor stator (09,11).
4. as claim 1 and 2 described torque motor series and parallel slew gears, it is characterized in that: the inner periphery of described water collar (03) is provided with the trough (17) of axial direction; Described mandrel (05) is the inner hollow structure.
5. torque motor series and parallel slew gear as claimed in claim 3 is characterized in that: the inner periphery of described water collar (03) is provided with the trough (17) of axial direction; Described mandrel (05) is the inner hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010263162 CN102029543A (en) | 2010-08-26 | 2010-08-26 | Serial and parallel swing mechanism of AC (alternating current) permanent magnet synchronous exterior rotor type torque motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010263162 CN102029543A (en) | 2010-08-26 | 2010-08-26 | Serial and parallel swing mechanism of AC (alternating current) permanent magnet synchronous exterior rotor type torque motor |
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| CN102029543A true CN102029543A (en) | 2011-04-27 |
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| CN 201010263162 Pending CN102029543A (en) | 2010-08-26 | 2010-08-26 | Serial and parallel swing mechanism of AC (alternating current) permanent magnet synchronous exterior rotor type torque motor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909396A (en) * | 2012-10-19 | 2013-02-06 | 上海大学 | High-speed electric spindle with outer rotor structure |
| CN104128626A (en) * | 2014-07-22 | 2014-11-05 | 广州市昊志机电股份有限公司 | High-speed motorized spindle with cooling structure |
| CN110029438A (en) * | 2019-03-29 | 2019-07-19 | 杭州之山智控技术有限公司 | Novel flat knitting traction device |
| CN110861120A (en) * | 2019-12-24 | 2020-03-06 | 中国科学院宁波材料技术与工程研究所 | Driving joint based on double-stator frameless torque motor and application thereof |
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| CN101011795A (en) * | 2007-01-15 | 2007-08-08 | 大连光洋科技工程有限公司 | Double pendulum milling head of AC permanent magnetic synchronization external-rotor-type force moment motor drive |
| CN101428395A (en) * | 2008-12-04 | 2009-05-13 | 大连理工大学 | AC permanent magnet disc type torque motor drived large-torque double-pendulum milling head |
| CN201863038U (en) * | 2010-08-26 | 2011-06-15 | 沈阳机床（集团）设计研究院有限公司 | Alternating current permanent-magnet synchronous outer rotor type torque motor series-parallel swing mechanism |
-
2010
- 2010-08-26 CN CN 201010263162 patent/CN102029543A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011795A (en) * | 2007-01-15 | 2007-08-08 | 大连光洋科技工程有限公司 | Double pendulum milling head of AC permanent magnetic synchronization external-rotor-type force moment motor drive |
| CN101428395A (en) * | 2008-12-04 | 2009-05-13 | 大连理工大学 | AC permanent magnet disc type torque motor drived large-torque double-pendulum milling head |
| CN201863038U (en) * | 2010-08-26 | 2011-06-15 | 沈阳机床（集团）设计研究院有限公司 | Alternating current permanent-magnet synchronous outer rotor type torque motor series-parallel swing mechanism |
Non-Patent Citations (3)
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| 《制造技术与机床》 20070228 范宏才等 多轴联动机床A/C转轴镗铣头结构 102-103 1-5 , 第2期 * |
| 《机械传动》 20100531 林剑峰等 《直驱式双摆角铣头C轴传动部分有限元分析》 第59-60页 1-5 , 第5期 * |
| 《组合机床与自动化加工技术》 20100430 闫明等 直驱式A/C轴双摆角铣头C轴结构单元有限元分析 第13-14页 1-5 , 第4期 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909396A (en) * | 2012-10-19 | 2013-02-06 | 上海大学 | High-speed electric spindle with outer rotor structure |
| CN104128626A (en) * | 2014-07-22 | 2014-11-05 | 广州市昊志机电股份有限公司 | High-speed motorized spindle with cooling structure |
| CN110029438A (en) * | 2019-03-29 | 2019-07-19 | 杭州之山智控技术有限公司 | Novel flat knitting traction device |
| CN110029438B (en) * | 2019-03-29 | 2024-05-03 | 杭州之山智控技术有限公司 | Novel flat knitting machine fabric traction device |
| CN110861120A (en) * | 2019-12-24 | 2020-03-06 | 中国科学院宁波材料技术与工程研究所 | Driving joint based on double-stator frameless torque motor and application thereof |
| CN110861120B (en) * | 2019-12-24 | 2023-08-04 | 中国科学院宁波材料技术与工程研究所 | Driving joint based on double-stator frameless torque motor and application thereof |
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Application publication date: 20110427 |
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