CN201030485Y - Double-servo numerical control rotating table - Google Patents
Double-servo numerical control rotating table Download PDFInfo
- Publication number
- CN201030485Y CN201030485Y CNU2007200505374U CN200720050537U CN201030485Y CN 201030485 Y CN201030485 Y CN 201030485Y CN U2007200505374 U CNU2007200505374 U CN U2007200505374U CN 200720050537 U CN200720050537 U CN 200720050537U CN 201030485 Y CN201030485 Y CN 201030485Y
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- oil
- workbench
- rotating table
- driven gear
- servo
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Abstract
The utility model relates to the technical field of the rotating table of a mechanical processing machine, in particular to a double-servo digital-control rotating table which is provided with two sets of servo motors, speed reducers and driving gears, wherein the teeth of the two driving gears respectively tightly engage with tooth surfaces on the two different sides of driven gears. When the rotating table is started, the two servo motors move in the same direction. With in the period after the table is started and before the table is stopped, one servo motor exert a certain drag force in the positive direction to realize the purpose of eliminating gear backlash. The rotating table of the utility model is also provided with a multihead pump with plural oil outlets which are independent and respectively connected with the oil chambers of the chassis of the rotating table by oil pipes, the output of each oil outlet is constant-pressure and constant-flow to make the thickness of oil films homogeneous and decrease friction resistance. The rotating table of the utility model is high in working efficiency, high in working accuracy, large in load and able to interlock with other shafts.
Description
Technical field:
The utility model relates to the rotary table technical field of mechanical processing machine, refers in particular to a kind of pair of servo digital control rotary table.
Background technology:
Rotary table is widely used on the Digit Control Machine Tool, known rotary table has manually and automatic two kinds, no matter manually still automatically, also just by gear, turbine and worm or several forms of end-toothed disc, two kinds of above-mentioned workbench all exist drive gap to eliminate to its design feature, manually the major defect of rotary table is an inefficiency, error is big, and load is little, and that the major defect of automatic revolving table is an operating accuracy is low, load is little, can not link with other axle.
The utility model content:
The purpose of this utility model is to provide a kind of pair of servo digital control rotary table at the deficiencies in the prior art, this rotary table high efficiency, and the operating accuracy height, load is big, and rotary table can be realized interlock with other axle.
For achieving the above object, the utility model is achieved through the following technical solutions: it comprises workbench, following calibration pedestal, rotating shaft, servomotor, reductor, driving gear, driven gear, workbench is installed on down on the calibration pedestal by rotating shaft, described driven gear is fixed on the workbench, driving gear and driven gear engagement fit, servomotor connects by reductor and the driving driving gear, the driving gear engagement fit that described driven gear and two are driven by independent servo motor respectively, and the tooth on two driving gears respectively with driven gear on two not the flank of tooth of homonymy press and cooperate; Each oil pocket of table base is connected with each oil-out of multi-head pump by oil pipe respectively.
The oil pressure output of described multi-head pump offers the oil-out of a plurality of independent oil supplies, and each oil-out is connected with each oil pocket of table base by oil pipe respectively.
The rotary encoder that is used to control the workbench anglec of rotation is installed in the described rotating shaft.
The described place, four right angles of calibration pedestal down all is equipped with the latch cylinder, and the latch cylinder is planted with workbench and cooperated.
Be equipped with under the base of described workbench and be used to lock the table lock locking oil cylinder.
Rotary table of the present utility model is equipped with two cover servomotor, reductor and driving gears, tooth on described two driving gears respectively with driven gear on two not the flank of tooth of homonymy press and cooperate, when workbench starts, two servomotors move towards same direction, start to stopping period, wherein a servomotor should be made certain holdback force in the opposite direction, reaches the purpose of eliminating backlash, operating accuracy height, and high efficiency.The utility model also rotary table is provided with a multi-head pump with a plurality of oil-outs, and each oil-out is an independent oil supply, and each oil-out of multi-head pump is connected with each oil pocket of table base by oil pipe respectively, each oil-out is output as the output of constant pressure and constant flow, therefore, when the workbench local pressure, the tilt quantity of table plane is minimum, guarantee machining accuracy, its service load is also bigger; Workpiece places on the workbench, and multi-head pump work is set up static pressure in the table base oil pocket, float upper table, two servomotors start, after workbench rotates to the position of requirement, the multi-head pump off-load, locking cylinder locking workbench, the action that begins to process.The utility model also has another kind of working method: multi-head pump ceaselessly provides static pressure, floats upper table, and other axle of workbench and its lathe is then realized interlock, makes it can be used in the processed complex curved surface.In sum, rotary table high efficiency of the present utility model, the operating accuracy height, load is big, and rotary table can be realized interlock with other axle.
Description of drawings:
Accompanying drawing 1 is the structural representation of rotary table of the present utility model;
Accompanying drawing 2 is the cutaway view of A-A face in the accompanying drawing 1;
Accompanying drawing 3 is the structural representation of driven gear of the present utility model and two driving gear engagement fit;
Accompanying drawing 4 is the structural representation of multi-head pump of the present utility model and workbench oil pocket annexation.
The specific embodiment:
Embodiment sees accompanying drawing 1,2,3,4, it comprises workbench 1, following calibration pedestal 10, rotating shaft 9, servomotor 2, reductor, driving gear 3, driven gear 4, workbench 1 is installed on down on the calibration pedestal 10 by rotating shaft 9, described driven gear 4 is fixed on the workbench 1, driving gear 3 and driven gear 4 engagement fit, servomotor 2 connects by reductor and driving driving gear 3, when servomotor 2 drives driving gear 3 rotations, driven gear 4 is driven around its rotating shaft 9 by driving gear 3 and rotates, thereby workbench 1 is rotated around rotating shaft 9.Above-mentioned every technology and existing technology are basic identical, and characteristics of the present utility model are: rotary table 1 is equipped with two cover servomotor 2, reductor and driving gears 3, and rotary table 1 is provided with a multi-head pump 7 with a plurality of oil-outs 11, and each oil-out 11 is independent oil supplies.
Described driven gear 4 and two driving gear 3 engagement fit, two driving gears 3 are driven by reductor by an independent servo motor 2 respectively and drive, and the tooth on two driving gears 3 respectively with driven gear 4 on two not the flank of tooth of homonymy press and cooperate.
Described each oil pocket of the base of calibration pedestal 10 down is connected with each oil-out 11 of multi-head pump 7 respectively.The oil pressure output of described multi-head pump 7 offers 20 oil-outs 11, each oil-out 11 is connected with 20 oil pockets of following calibration pedestal 10 by oil pipe 12 respectively, each oil pocket of 7 pairs of following calibration pedestals 10 of multi-head pump is supplied with oil pressure, because the structure that multi-head pump 7 is special, therefore the oil pressure of multi-head pump 7 each oil-out 11 outputs is identical, it is output as constant voltage output, and output flow is the constant current amount.Therefore, when workbench 1 local pressure, the tilt quantity on workbench 1 plane is minimum, guarantees machining accuracy, and its service load is also bigger.
20 oil-outs 11 that connect multi-head pump 7 with oil pipe 12 arrive 20 oil pockets of calibration pedestal 10 down, by adjustment to the numerical control systematic parameter, when realizing that workbench 1 starts, two servomotors 2 are towards same direction motion, but after starting to stopping period, workbench is to be driven by gapless that driving gear 3 between the direction of rotation of workbench 1 and driven gear 4, wherein another servomotor 2 another driving gears 3 of control are made certain holdback force in the opposite direction, reach the purpose of eliminating backlash, guarantee on two driving gears 3 tooth respectively with driven gear 4 on two not the flank of tooth of homonymy press and cooperate.(shown in the accompanying drawing 3) is when clockwise rotating on workbench 1 edge, by driving gear 3 drive driven gears 4 rotations of below, when workbench 1 rotates in the counterclockwise direction, by driving gear 3 drive driven gears 4 rotations of top.
The rotary encoder 5 that is used to control workbench 1 anglec of rotation is installed on the described rotating shaft 9.
The described place, four right angles of calibration pedestal 10 down all is equipped with latch cylinder 8, and latch cylinder 8 is planted with workbench 1 and cooperated, and latch cylinder 8 is used for the precision positioning of workbench 1.
Described calibration pedestal down is equipped with locking cylinder 6 for 10 times, and locking cylinder 6 is used to lock workbench 1.
Described driving gear 3 is the less pinion of diameter, driven gear 4 is the bigger gear wheel of diameter, adopt two servomotors 2 and reductor to drive the pinion drive gear wheel and make workbench 1 rotation, owing to adopt two servomotor 2 collaborative crack technology that disappear, realized the gapless accurate transmission of driving gear 3 and driven gear 4, its anglec of rotation is controlled by placing the rotary encoder 5 on the rotating shaft 9, guaranteed rotating accuracy, 20 oil pockets of 7 pairs of following calibration pedestals of employing multi-head pump carry out the static pressure form of fuel feeding, and its load is big; After workbench 1 rotates to the angle of requirement, multi-head pump 7 off-loads, several locking cylinder 6 locking workbench 1 have guaranteed machining accuracy on the following calibration pedestal 10, adopt pneumatic latch mode four right angle orientation, can be used for precision positioning.
The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (5)
1. two servo digital control rotary tables, it comprises workbench (1), following calibration pedestal (10), rotating shaft (9), servomotor (2), reductor, driving gear (3), driven gear (4), workbench (1) is installed on down on the calibration pedestal (10) by rotating shaft (9), described driven gear (4) is fixed on the workbench (1), driving gear (3) and driven gear (4) engagement fit, servomotor (2) connects by reductor and driving driving gear (3), it is characterized in that: described driven gear (4) and two driving gear (3) engagement fit that drive by independent servo motor (2) respectively, and the tooth on two driving gears (3) respectively with driven gear (4) last two not the flank of tooth of homonymy press and cooperate; Each oil pocket of following calibration pedestal (10) is connected with each oil-out (11) of multi-head pump (7) by oil pipe (12) respectively.
2. according to claim 1 pair of servo digital control rotary table, it is characterized in that: the oil pressure output of described multi-head pump (7) offers the oil-out (11) of a plurality of independent oil supplies, and each oil-out (11) is connected with each oil pocket of following calibration pedestal (10) by oil pipe (12) respectively.
3. according to claim 1 pair of servo digital control rotary table is characterized in that: on the calibration pedestal (10) rotary encoder (5) that is used to control workbench (1) anglec of rotation is installed under described.
4. according to claim 1 pair of servo digital control rotary table is characterized in that: the place, four right angles of described workbench (1) all is equipped with latch cylinder (8), and latch cylinder (8) is planted with workbench (1) and cooperated.
5. according to claim 1 pair of servo digital control rotary table is characterized in that: be equipped with under the base of described down calibration pedestal (10) and be used to lock table lock locking oil cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200505374U CN201030485Y (en) | 2007-04-20 | 2007-04-20 | Double-servo numerical control rotating table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200505374U CN201030485Y (en) | 2007-04-20 | 2007-04-20 | Double-servo numerical control rotating table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201030485Y true CN201030485Y (en) | 2008-03-05 |
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ID=39162379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200505374U Expired - Lifetime CN201030485Y (en) | 2007-04-20 | 2007-04-20 | Double-servo numerical control rotating table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201030485Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367168B (en) * | 2008-06-24 | 2010-06-02 | 芜湖红旗重型机床有限公司 | Double column vertical lathe |
| CN101559563B (en) * | 2009-05-27 | 2010-08-11 | 芜湖洪金机床有限公司 | Machine tool rotary working table |
| CN102581626A (en) * | 2012-03-20 | 2012-07-18 | 上海三一精机有限公司 | Lathe rotating table system and lathe |
| CN102632386A (en) * | 2012-04-10 | 2012-08-15 | 浙江大学台州研究院 | Multi-station machine tool for plunger pump body |
| CN103317355A (en) * | 2013-05-23 | 2013-09-25 | 深圳市大族激光科技股份有限公司 | Method for adjusting air gaps of air floatation legs of batch of working tables and working tables |
| CN103643397A (en) * | 2013-12-10 | 2014-03-19 | 宁波慈星股份有限公司 | Handpiece tray of computerized flat knitting machine |
| CN104647054A (en) * | 2015-02-13 | 2015-05-27 | 华中科技大学 | Non-back clearance double-servo intersecting shaft rotating table of multi-axis numerical control machine tool |
| CN105301756A (en) * | 2015-11-03 | 2016-02-03 | 芜湖戎征达伺服驱动技术有限公司 | Super low speed rotation bearing platform |
| CN109596430A (en) * | 2018-10-19 | 2019-04-09 | 中国科学院地质与地球物理研究所 | Heavy-loaded precision turntable |
| CN112787259A (en) * | 2021-01-22 | 2021-05-11 | 广东电网有限责任公司广州供电局 | Vehicle-mounted switch cabinet detection rotary positioning device based on servo drive |
-
2007
- 2007-04-20 CN CNU2007200505374U patent/CN201030485Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101367168B (en) * | 2008-06-24 | 2010-06-02 | 芜湖红旗重型机床有限公司 | Double column vertical lathe |
| CN101559563B (en) * | 2009-05-27 | 2010-08-11 | 芜湖洪金机床有限公司 | Machine tool rotary working table |
| CN102581626A (en) * | 2012-03-20 | 2012-07-18 | 上海三一精机有限公司 | Lathe rotating table system and lathe |
| CN102632386A (en) * | 2012-04-10 | 2012-08-15 | 浙江大学台州研究院 | Multi-station machine tool for plunger pump body |
| CN103317355A (en) * | 2013-05-23 | 2013-09-25 | 深圳市大族激光科技股份有限公司 | Method for adjusting air gaps of air floatation legs of batch of working tables and working tables |
| CN103643397A (en) * | 2013-12-10 | 2014-03-19 | 宁波慈星股份有限公司 | Handpiece tray of computerized flat knitting machine |
| CN104647054A (en) * | 2015-02-13 | 2015-05-27 | 华中科技大学 | Non-back clearance double-servo intersecting shaft rotating table of multi-axis numerical control machine tool |
| CN105301756A (en) * | 2015-11-03 | 2016-02-03 | 芜湖戎征达伺服驱动技术有限公司 | Super low speed rotation bearing platform |
| CN109596430A (en) * | 2018-10-19 | 2019-04-09 | 中国科学院地质与地球物理研究所 | Heavy-loaded precision turntable |
| CN112787259A (en) * | 2021-01-22 | 2021-05-11 | 广东电网有限责任公司广州供电局 | Vehicle-mounted switch cabinet detection rotary positioning device based on servo drive |
| CN112787259B (en) * | 2021-01-22 | 2022-04-12 | 广东电网有限责任公司广州供电局 | Vehicle-mounted switch cabinet detection rotary positioning device based on servo drive |
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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: 20080305 |