CN102229102B - Precision lifting mechanism for gear ring of grinding machine - Google Patents
Precision lifting mechanism for gear ring of grinding machine Download PDFInfo
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- CN102229102B CN102229102B CN2011101920765A CN201110192076A CN102229102B CN 102229102 B CN102229102 B CN 102229102B CN 2011101920765 A CN2011101920765 A CN 2011101920765A CN 201110192076 A CN201110192076 A CN 201110192076A CN 102229102 B CN102229102 B CN 102229102B
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- gear ring
- hollow shaft
- fixed
- gear
- base
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Abstract
The invention discloses a precision lifting mechanism for a gear ring of a grinding machine. The mechanism comprises a base, a fixing shaft which is fixedly supported by the base, and a gear ring assembly, wherein the gear ring assembly comprises a gear ring hollow shaft, a driven gear, a gear ring bracket, a gear ring lifting seat and the gear ring; the driven gear and the gear ring bracket are fixed on the gear ring hollow shaft; the gear ring lifting seat is fixed on the gear ring hollow shaft through a bearing; the gear ring assembly is sleeved on the fixing shaft through the gear ring hollow shaft and is in axial sliding fit with the fixing shaft; a bearing is arranged between the gear ring hollow shaft and the fixing shaft to realize peripheral rolling fit between the gear ring hollow shaft and the fixing shaft; the gear ring is fixed on the gear ring bracket; a ball screw component is arranged on the base and is connected with the gear ring lifting seat in the gear ring assembly; and a chain wheel and chain transmission mechanism for driving the ball screw component to synchronously move is arranged on the base. The invention has the advantages that: the mechanism makes the gear ring accurately positioned and is convenient to control.
Description
Technical field
Patent of the present invention relates to grinding and polishing process equipment field, specifically a kind of accurate elevating mechanism that is used for high-precision vertical grinder gear ring.
Background technology
At present, the grinder workpiece to lay and take mainly be through oil cylinder or cylinder dual mode the lifting moving of gear ring to be realized.Its less than one is that gear ring positioning accuracy in lifting process is not high, and position fixing process is difficult to control; The 2nd, the running accuracy of gear ring is not high yet.These all bring influence to the precision of grinding work-piece.Yang Yuhong etc. " grinder gear ring lowering or hoisting gear " have proposed a kind of lowering or hoisting gear (patent No.: 200920062999.7) that adopts the hydraulic oil cylinder driving gear ring; Shortcoming is that the piston rod location of oil cylinder is difficult to rest on different accurate positions along with prettyization of wearing and tearing of abrasive disk and erratic star wheel, also need increase hydraulic system.
Summary of the invention
The purpose of patent of the present invention provides a kind of accurate elevating mechanism that can improve the grinder gear ring of grinding work-piece precision.
Realize that the technical scheme that the object of the invention adopts is: the accurate elevating mechanism of grinder gear ring comprises a base, the fixed axis by the base fixed support, gear ring assembly; Said gear ring assembly comprises gear ring hollow shaft, driven gear, gear ring support, gear ring lifting seat and gear ring; Wherein driven gear and gear ring support are fixed on the gear ring hollow shaft; Gear ring lifting seat passes through bearing fixing on the gear ring hollow shaft; The gear ring assembly through the gear ring hollow shaft sleeve on fixed axis with the fixed axis axial sliding fit, between gear ring hollow shaft and fixed axis, be provided with bearing and cooperate with circumferential rolling between the fixed axis to realize the gear ring hollow shaft, gear ring is fixed on the gear ring support; Said base is provided with the ball screw assembly and is connected with gear ring lifting seat in the gear ring assembly; Base is provided with the sprocket chain strip transmission mechanism that drives said ball screw component synchronization motion.
Said ball screw assembly adopts three groups evenly to arrange, said sprocket chain strip transmission mechanism adopts variable-frequency motor to drive.
But patent of the present invention adopts variable-frequency motor to drive the gear ring assembly through sprocket chain strip transmission mechanism Synchronization Control precise ball screw assembly and realizes that gear ring rises and descending motion, can realize accurate location and convenient control in the lifting process.Owing between gear ring hollow shaft and fixed axis and gear ring lifting seat, all adopt bearing to cooperate, so can guarantee the gear ring hollow shaft and the concentricity during the gear ring support rotation that is attached thereto, the accurate location in the realization rotation process.
Below in conjunction with accompanying drawing the present invention is made and to further specify.
Description of drawings
Fig. 1 is the vertical view that the present invention removes top.
Fig. 2 is that A-A of Fig. 1 is to profile.
Fig. 3 is an I place partial enlarged drawing among Fig. 2.
Fig. 4 is the drive motors sketch map of middle sprocket chain drive of the present invention.
The specific embodiment
To shown in Figure 4, the accurate elevating mechanism of grinder gear ring comprises a base 1 like Fig. 1, and three feet 2 fixed supports through even setting on the base 1 have a fixed axis 19, gear ring assembly; Said gear ring assembly comprises gear ring hollow shaft 11, driven gear 17, gear ring support 12, gear ring lifting seat 10 and gear ring 13; Wherein driven gear 17 is fixed on the gear ring hollow shaft 11 with gear ring support 12; Gear ring lifting seat 10 is fixed on the gear ring hollow shaft 11 through bearing 15; The gear ring assembly is enclosed within on the fixed axis 19 and fixed axis 19 axial sliding fits through gear ring hollow shaft 11; Between gear ring hollow shaft 11 and fixed axis 19, be provided with needle bearing 16 and cooperate with circumferential rolling between the fixed axis 19 to realize gear ring hollow shaft 11, gear ring 13 is fixed on the gear ring support 12; Respectively being provided with one group of ball screw assembly on three feets 2 of said base 1 is connected with gear ring lifting seat 10 in the gear ring assembly; The ball screw assembly comprises the screw mandrel driving shaft 4 that is fixed on the base support pin 2; The lower end of screw mandrel driving shaft 4 is fixed with sprocket wheel 3; The upper end is connected with ball screw 7, and ball screw 7 cooperates with feed screw nut 8 on being located at gear ring lifting seat 10, and feed screw nut 8 is fixed by nut seat 9; Base 1 is provided with the sprocket chain strip transmission mechanism that drives said ball screw component synchronization motion; The sprocket chain strip transmission mechanism comprises the variable-frequency motor 24 that is fixed on the motor cabinet 23; Variable-frequency motor 24 is fixed with drive sprocket 25 through the output shaft of reduction box; Drive sprocket 25 cooperates with sprocket wheel 3 on the screw mandrel driving shaft 4 through chain 26, and base is provided with and is used for the guide wheel 27 that chain 26 leads; The feet 2 of base is provided with travel switch 6 and cooperates with gear ring lifting seat 10 near switch 5.
Operation principle:
The up-down of gear ring 13: pass through three sprocket wheels 3 and three guide wheels 27 on drive sprocket 25, the chain 26 driving screw mandrel driving shafts 4 by variable-frequency motor 24; Drive the rotation synchronously in the same way of three rhizoid bar driving shafts 4; No upper and lower displacement; Drive three feed screw nut's 8 synchronization liftings respectively, drive nut seat 9, gear ring lifting seat 10, gear ring hollow shaft 11, gear ring support 12 and gear ring 13 precisions, go up and down reposefully.This transmission system effect is that the effect of three guide wheels 27 is to make the cornerite of drive sprocket 25 and three sprocket wheels 3 bigger, avoids chain 26 shakes, guarantees the steadily rotation synchronously of three rhizoid bar driving shafts 4 through 4 rotations of a chain 26 driven in synchronism three rhizoid bar driving shafts.Three rhizoid bar driving shafts 4 connect as one with base plate 1 through 120 ° feet 2 each other, form stable and firm structure.Screw mandrel driving shaft 4 is connected with ball screw 7, and back-to-back combination ball screw bearing inner race is fixed on the ball screw 7 through accurate locking nut 22, and bearing cap 20 is fixed on the screw axis bearing outer-ring in the screw mandrel shaft block 21.Screw mandrel shaft block 21 has guaranteed that through on the vertical feet 2 of packing into end face of cylindrical ball screw 7 is vertical with datum level.Feed screw nut 8 is fixed in the nut seat 9; Nut seat 9 is connected gear ring lifting seat 10 belows; 8 special bearing trim rings 14 are fixed on bearing 15 outer rings on the gear ring lifting seat 10, and bearing 15 inner rings, gear ring driven gear 17 are fixed on the gear ring hollow shaft 11 through gear fixed bolster 18.Gear ring hollow shaft 11, gear ring support 12 and gear ring 13 connect as one.Needle bearing 16 is packed in the gear ring hollow shaft 11, gear ring 13, gear ring support 12, gear ring hollow shaft 11, gear ring lifting seat 10 whole through needle bearings 16 in the upper and lower slip of fixed axis 19 external cylindrical surfaces.The rotation of gear ring: when gear ring rotated, driven gear 17 (by the motor-driven that is located on the gear ring lifting seat 10, not shown) drove gear ring hollow shaft 11, gear ring support 12, gear ring 13 rotations.Fixed axis 19 is fixed on the feet 2.Realized the motion that gear ring 13 can rotate and can go up and down.Lifting mechanism also is provided with travel switch 6, near switch 5, when the upper and lower motion of lifting mechanism, run into travel switch 6 earlier, inductive proximity switch 5 then, realized double protection functions.
Claims (2)
1. the accurate elevating mechanism of a grinder gear ring is characterized in that comprising a base, the fixed axis by the base fixed support, gear ring assembly; Said gear ring assembly comprises gear ring hollow shaft, driven gear, gear ring support, gear ring lifting seat and gear ring; Wherein driven gear and gear ring support are fixed on the gear ring hollow shaft; Gear ring lifting seat passes through bearing fixing on the gear ring hollow shaft; The gear ring assembly through the gear ring hollow shaft sleeve on fixed axis with the fixed axis axial sliding fit, between gear ring hollow shaft and fixed axis, be provided with bearing and cooperate with circumferential rolling between the fixed axis to realize the gear ring hollow shaft, gear ring is fixed on the gear ring support; Said base is provided with the ball screw assembly and is connected with gear ring lifting seat in the gear ring assembly; Base is provided with the sprocket chain strip transmission mechanism that drives said ball screw component synchronization motion.
2. the accurate elevating mechanism of grinder gear ring according to claim 1 is characterized in that said ball screw assembly adopts three groups evenly to arrange, said sprocket chain strip transmission mechanism adopts variable-frequency motor to drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101920765A CN102229102B (en) | 2011-07-11 | 2011-07-11 | Precision lifting mechanism for gear ring of grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101920765A CN102229102B (en) | 2011-07-11 | 2011-07-11 | Precision lifting mechanism for gear ring of grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102229102A CN102229102A (en) | 2011-11-02 |
| CN102229102B true CN102229102B (en) | 2012-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101920765A Active CN102229102B (en) | 2011-07-11 | 2011-07-11 | Precision lifting mechanism for gear ring of grinding machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102229102B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102935610B (en) * | 2012-11-07 | 2014-07-16 | 沈阳黎明航空发动机(集团)有限责任公司 | Engine rotor blisk blade-tip curved surface processing device and method |
| CN103465159A (en) * | 2013-09-03 | 2013-12-25 | 宇环数控机床股份有限公司 | Internal gear lifting and rotating mechanism applied to grinding equipment |
| CN104227551A (en) * | 2014-09-30 | 2014-12-24 | 无锡康柏斯机械科技有限公司 | Gear ring structure of hard disk substrate grinding machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1000704A2 (en) * | 1998-11-05 | 2000-05-17 | Sony Corporation | Flattening polishing device and flattening polishing method |
| CN1586814A (en) * | 2004-09-07 | 2005-03-02 | 沈阳建筑大学 | Novel high precision ceramic ball grinder |
| CN201058410Y (en) * | 2007-06-15 | 2008-05-14 | 河南新机股份有限公司 | Hanging wallrelocation mechanism of two-sided grinder |
| CN201333664Y (en) * | 2009-01-18 | 2009-10-28 | 湖南宇晶机器实业有限公司 | Lifting device for gear ring in grinder |
| CN202129723U (en) * | 2011-07-11 | 2012-02-01 | 湖南宇环同心数控机床有限公司 | Precise lifting mechanism for gear ring of grinding machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6299514B1 (en) * | 1999-03-13 | 2001-10-09 | Peter Wolters Werkzeugmachinen Gmbh | Double-disk polishing machine, particularly for tooling semiconductor wafers |
-
2011
- 2011-07-11 CN CN2011101920765A patent/CN102229102B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1000704A2 (en) * | 1998-11-05 | 2000-05-17 | Sony Corporation | Flattening polishing device and flattening polishing method |
| CN1586814A (en) * | 2004-09-07 | 2005-03-02 | 沈阳建筑大学 | Novel high precision ceramic ball grinder |
| CN201058410Y (en) * | 2007-06-15 | 2008-05-14 | 河南新机股份有限公司 | Hanging wallrelocation mechanism of two-sided grinder |
| CN201333664Y (en) * | 2009-01-18 | 2009-10-28 | 湖南宇晶机器实业有限公司 | Lifting device for gear ring in grinder |
| CN202129723U (en) * | 2011-07-11 | 2012-02-01 | 湖南宇环同心数控机床有限公司 | Precise lifting mechanism for gear ring of grinding machine |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-263430A 2000.09.26 |
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| CN102229102A (en) | 2011-11-02 |
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Address after: 410323 Liuyang, Hunan, manufacturing base of the weft Road,, Patentee after: Yuhuan CNC Machine Tool Co., Ltd. Address before: 410323 Liuyang, Hunan, manufacturing base of the weft Road,, Patentee before: Hunan Yuhuan Tongxin CNC Machine Tool Co., Ltd. |