CN101712137B - Rotary grinding carriage capable of automatically changing grinding wheel - Google Patents
Rotary grinding carriage capable of automatically changing grinding wheel Download PDFInfo
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- CN101712137B CN101712137B CN200810223528XA CN200810223528A CN101712137B CN 101712137 B CN101712137 B CN 101712137B CN 200810223528X A CN200810223528X A CN 200810223528XA CN 200810223528 A CN200810223528 A CN 200810223528A CN 101712137 B CN101712137 B CN 101712137B
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- grinding
- rotating machine
- emery wheel
- turntable
- grinding carriage
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a rotary grinding carriage capable of automatically changing grinding wheel. The rotary grinding carriage comprises a turntable which is fixedly provided with the grinding carriage, wherein one side of the grinding carriage is provided with a straight cutting grinding wheel and an oblique cutting grinding wheel, which are arranged back to back, and the other side of the grinding carriage is provided with a bore grinding wheel; the turntable comprises a base; a direct drive rotating machine is arranged on the upper part of the base; the upper part of the direct drive rotating machine is provided with a bearing, which is supported with a revolving stage; the revolving stage is electrically connected with an absolute angle encoder for detecting position of the revolving stage; the absolute angle encoder is further electrically connected with the direct drive rotating machine to form a feedback circuit. The straight cutting grinding wheel is used for grinding a cylindrical outside surface and a circular conical outside surface, while the oblique cutting grinding wheel is used for synchronously grinding an end surface and a cylindrical outside surface (or a circular conical outside surface); and the pore grinding wheel is used for pore grinding. Transposition of the rotary grinding carriage is realized by driving the turntable to rotate; furthermore, the multi-operation grinding and complicated profile grinding of once arranged work-pieces are realized.
Description
Technical field
The present invention relates to the grinding machine processing technique field, but particularly a kind of high accuracy, fast dynamic response, efficient, the safe rotary grinding carriage that can change emery wheel automatically used.
Background technology
Grinding carriage is the important component part of grinding machine.The drive system of tradition grinding carriage is because the machine driving link in the middle of existing, increased the installation and maintenance difficulty, and the problem that machine driving is existed, as the gap, strains etc. are brought in the control system, thereby reduced the response of grinding system and reduced the rigidity of grinding system, and the characteristics of grinding machine are high accuracy, high rigidity, the grinding machine of using traditional grinding carriage is in order to reach high accuracy, the requirement of high rigidity, can increase some and eliminate the gap, compensate elastically-deformable link, can make the structure of whole grinding system become complicated like this, and reliability reduces.Therefore, await developing a kind of new grinding carriage structure to solve the problem that exists at present.
Summary of the invention
In view of this, but the technical problem to be solved in the present invention is the rotary grinding carriage that can change emery wheel automatically that is to provide a kind of efficient, high accuracy, safety, realize the reliable grinding of external cylindrical surface, outer conical surface, end face, endoporus and non-disc, realize once being installed the grinding of multiple operation and the grinding of complex profile, avoid mechanically operated influence simultaneously, and simple in structure, cost is low.
To achieve these goals, but technical scheme of the present invention is achieved in that a kind of rotary grinding carriage that can change emery wheel automatically, it includes: turntable, be installed with grinding carriage on the described turntable, be equiped with the vertical cut emery wheel on described grinding carriage one side and the emery wheel of cutting sth. askew, described vertical cut emery wheel and the described emery wheel of cutting sth. askew are back-to-back installing, and described grinding carriage opposite side is equiped with the endoporus emery wheel; Described turntable includes: base, described base top is installed with direct driving electric rotating machine, described direct driving electric rotating machine top is provided with bearing, described bearing upper support has turntable, described turntable is electrically connected with the absolute type angular encoder that detects described turntable position, described absolute type angular encoder also is electrically connected with described direct driving electric rotating machine, and described turntable, described absolute type angular encoder and described direct driving electric rotating machine are formed feedback circuit.
Described direct driving electric rotating machine also is equiped with temperature sensor and brake, and described direct driving electric rotating machine offers cooling bath.
Described brake is the Steel Thin-Wall nested structure, is equiped with the Pressure gauge that is electrically connected and sends to described direct driving electric rotating machine signal with described direct driving electric rotating machine in the described steel bushing.
Described bearing is axially-journal bearing.
The precision of described absolute type angular encoder is ± 2.5 seconds.
The beneficial effect that adopts technique scheme and obtain is: but rotary grinding carriage of the present invention is owing to the conversion that does not have forms of motion has better precision (not having return difference and distortion), dynamic response faster, raise the efficiency, but the temperature sensor that turntable is provided with, brake and the cooling bath of offering make rotary grinding carriage of the present invention reduce heating, good stability, can use for a long time, mechanical wear is minimum, and mechanical assembling process cleans more, reduce the quantity of mechanical part, and can satisfy the grinding system high accuracy, the requirement of high rigidity.
Description of drawings
But Fig. 1 is the perspective view of rotary grinding carriage of the present invention;
Figure 1A is but that the A of rotary grinding carriage of the present invention among Fig. 1 is to structural representation;
Figure 1B is but that the B of rotary grinding carriage of the present invention among Fig. 1 is to structural representation;
Fig. 1 C is but that the C of rotary grinding carriage of the present invention among Fig. 1 is to structural representation;
But Fig. 2 is the internal structure generalized section of the turntable of rotary grinding carriage among the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment among the present invention is described in further detail.
Referring to Fig. 1, Figure 1A, Figure 1B, Fig. 1 C, but the rotary grinding carriage that can change emery wheel automatically of the present invention includes: turntable 4, be installed with emery wheel bracket 5 on this turntable 4, be equiped with the vertical cut emery wheel 2 and the emery wheel 1 of cutting sth. askew on these emery wheel bracket 5 one sides, this vertical cut emery wheel 2 is back-to-back installing with the emery wheel 1 of cutting sth. askew, and the opposite side of emery wheel bracket 5 is equiped with endoporus emery wheel 3.
Again in conjunction with consulting Fig. 2, turntable 4 includes: base 9, these base 9 tops are installed with direct driving electric rotating machine 8, should directly drive electric rotating machine 8 tops and be provided with bearing 13, the bearing 13 of present embodiment be axially-journal bearing, but so that rotary grinding carriage rigidity of the present invention and bearing capacity improve greatly, and resistance is minimum when rotating, bearing 13 also can be other bearing, not as limit.Bearing 13 upper supports have turntable 6, and this turntable 6 is electrically connected with absolute type angular encoder 7, and this absolute type angular encoder 7 also is electrically connected with direct driving electric rotating machine 8; Turntable 6, absolute type angular encoder 7 reach and directly drive electric rotating machine 8 composition feedback circuits; Absolute type angular encoder 7 is directly measured the position of turntable 6 and the signal feedback that records is given and directly drives electric rotating machine 8, and the precision of absolute type angular encoder 7 can reach ± and 2.5 seconds.But improved the precision of rotary grinding carriage of the present invention whereby, and good reliability.
Directly drive in the electric rotating machine 8 and have cooling bath (not looking out among the figure), and be equiped with temperature sensor 10, can guarantee well that directly driving electric rotating machine 8 is in good, stable duty for a long time.
Directly drive in the electric rotating machine 8 and also be equiped with brake 12, brake 12 is the Steel Thin-Wall nested structure, and when charge into gas or liquid in brake 12, the thin-walled steel bushing expands, elimination directly drives the rotor of electric rotating machine 8 and the gap between the stator, reaches the effect of braking; When eliminating braking, must make the gas in the brake 12 or the pressure of liquid is zero, otherwise, can influence the normal operation of turntable.For this reason, the Pressure gauge (not shown) is housed in air pressure or hydraulic circuit, and Pressure gauge is electrically connected with directly driving electric rotating machine 8, when pressure in the loop is zero, Pressure gauge sends signal and gives directly driving electric rotating machine 8, and directly driving electric rotating machine 8 could the startup work.
This kind adopts the turntable 4 that directly drives electric rotating machine 8 owing to there is not the conversion of forms of motion, promptly in drive system less than the elasticity, gap, friction and the hysteresis that cause because of drive disk assembly, improved the dynamic property of turntable-emery wheel bracket.Owing to directly drive the structure that electric rotating machine 8 has adopted high number of magnetic poles, can realize the output of high rotating torque, between zero rotating speed and nominal speed, can realize permanent moment of torsion output, this also helps to improve the rigidity and the dynamic property of turntable-emery wheel bracket.Adopt the another one advantage that directly drives electric rotating machine 8 also to be not have the additional movement parts, reduced installation, the adjustment cost of whole grinding system.
But a kind of rotary grinding carriage that can change emery wheel automatically of the present invention has following advantage: middle machine driving link is few, but increased the rigidity of rotary grinding carriage of the present invention, and improved dynamic response, improve working (machining) efficiency, reduce heating, but guarantee the work steady in a long-term of this rotary grinding carriage energy, reduce and safeguard; For the composite grinding center provides a kind of fast dynamic response, high accuracy, but the rotary grinding carriage of safety is realized the reliable grinding of external cylindrical surface, outer conical surface, end face, endoporus and non-disc, can realize once the be installed grinding of multiple operation and the grinding of complex profile.
The above is a preferred embodiment of the present invention only, is not to be used for limiting to claim of the present invention, and the equivalent structure that all utilizations specification of the present invention and accompanying drawing content are done changes, and all in like manner is contained in the scope of the present invention.
Claims (5)
1. but the rotary grinding carriage that can change emery wheel automatically, it includes: turntable, be installed with grinding carriage on the described turntable, be equiped with the vertical cut emery wheel on described grinding carriage one side and the emery wheel of cutting sth. askew, described vertical cut emery wheel and the described emery wheel of cutting sth. askew are back-to-back installing, described grinding carriage opposite side is equiped with the endoporus emery wheel, it is characterized in that
Described turntable includes: base, described base top is installed with direct driving electric rotating machine, described direct driving electric rotating machine top is provided with bearing, described bearing upper support has turntable, described turntable is electrically connected with the absolute type angular encoder that detects described turntable position, described absolute type angular encoder also is electrically connected with described direct driving electric rotating machine, and described turntable, described absolute type angular encoder and described direct driving electric rotating machine are formed feedback circuit.
2. but a kind of rotary grinding carriage that can change emery wheel automatically according to claim 1 is characterized in that described direct driving electric rotating machine also is equiped with temperature sensor and brake, and described direct driving electric rotating machine offers cooling bath.
3. but a kind of rotary grinding carriage that can change emery wheel automatically according to claim 2, it is characterized in that, described brake is the Steel Thin-Wall nested structure, is equiped with the Pressure gauge that is electrically connected and sends to described direct driving electric rotating machine signal with described direct driving electric rotating machine in the described Steel Thin-Wall nested structure.
4. but a kind of rotary grinding carriage that can change emery wheel automatically according to claim 1 is characterized in that, described bearing is axially-and journal bearing.
5. but a kind of rotary grinding carriage that can change emery wheel automatically according to claim 1 is characterized in that the precision of described absolute type angular encoder is ± 2.5 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810223528XA CN101712137B (en) | 2008-10-06 | 2008-10-06 | Rotary grinding carriage capable of automatically changing grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810223528XA CN101712137B (en) | 2008-10-06 | 2008-10-06 | Rotary grinding carriage capable of automatically changing grinding wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101712137A CN101712137A (en) | 2010-05-26 |
| CN101712137B true CN101712137B (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810223528XA Active CN101712137B (en) | 2008-10-06 | 2008-10-06 | Rotary grinding carriage capable of automatically changing grinding wheel |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913114A (en) * | 2010-07-28 | 2010-12-15 | 上海机床厂有限公司 | Grinding carriage dividing mechanism of composite numerically controlled grinder |
| GB201513186D0 (en) * | 2015-07-27 | 2015-09-09 | Fives Landis Ltd | Tool swivel assembly |
| CN105689801A (en) * | 2016-04-12 | 2016-06-22 | 安庆市鸿裕工业产品设计有限公司 | Automatic adjustment module for grinding wheel angle of circular saw blade tooth-grinding machine |
| CN109454531A (en) * | 2018-11-14 | 2019-03-12 | 北京第二机床厂有限公司 | The method for grinding and grinding machine of accurate composite grinding couple outer circle, the conical surface |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250999B1 (en) * | 1997-09-12 | 2001-06-26 | Spms Honimatic | Multi-spindle lapping machine |
| CN1675029A (en) * | 2002-08-05 | 2005-09-28 | 埃尔温容克尔机械制造有限公司 | Method and device for grinding the outside and inside of a rotationally symmetric machine part comprising a longitudinal borehole |
| CN2843745Y (en) * | 2005-09-30 | 2006-12-06 | 廖敌江 | Double-sand wheel and digital-controlled grinding machine |
| CN200981172Y (en) * | 2006-10-19 | 2007-11-28 | 上海机床厂有限公司 | Digital control all-purpose cylindrical grinder abrasive wheel frame swing mechanism |
| CN201267958Y (en) * | 2008-10-06 | 2009-07-08 | 北京第二机床厂有限公司 | Rotatable grinding carriage capable of automatically replacing grinding wheel |
-
2008
- 2008-10-06 CN CN200810223528XA patent/CN101712137B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250999B1 (en) * | 1997-09-12 | 2001-06-26 | Spms Honimatic | Multi-spindle lapping machine |
| CN1675029A (en) * | 2002-08-05 | 2005-09-28 | 埃尔温容克尔机械制造有限公司 | Method and device for grinding the outside and inside of a rotationally symmetric machine part comprising a longitudinal borehole |
| CN2843745Y (en) * | 2005-09-30 | 2006-12-06 | 廖敌江 | Double-sand wheel and digital-controlled grinding machine |
| CN200981172Y (en) * | 2006-10-19 | 2007-11-28 | 上海机床厂有限公司 | Digital control all-purpose cylindrical grinder abrasive wheel frame swing mechanism |
| CN201267958Y (en) * | 2008-10-06 | 2009-07-08 | 北京第二机床厂有限公司 | Rotatable grinding carriage capable of automatically replacing grinding wheel |
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| Publication number | Publication date |
|---|---|
| CN101712137A (en) | 2010-05-26 |
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