CN101513726A - Follow-up grinding method and digital controller thereof - Google Patents
Follow-up grinding method and digital controller thereof Download PDFInfo
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- CN101513726A CN101513726A CNA2009100430422A CN200910043042A CN101513726A CN 101513726 A CN101513726 A CN 101513726A CN A2009100430422 A CNA2009100430422 A CN A2009100430422A CN 200910043042 A CN200910043042 A CN 200910043042A CN 101513726 A CN101513726 A CN 101513726A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 229910001651 emery Inorganic materials 0.000 claims description 44
- 238000003754 machining Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000035611 feeding Effects 0.000 description 23
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The invention discloses a follow-up grinding method and a digital controller thereof. A headstock and a tailstock drive a workpiece by a servo motor or a torque motor to rotate at variable angular velocity, therefore, the headstock and the tailstock drive the workpiece to realize synchronous revolution, a grinding carriage feed servo motor or a grinding carriage feed linear motor on a grinding carriage feeding device cooperate with the servo motor or the torque motor of the headstock to drive a grinding wheel to contact with the workpiece at any angle and to feed to leads to same thickness of chips cut from the workpiece, thus grinding required eccentric circular parts and non-circular parts. The follow-up grinding method and the digital controller thereof have high grinding efficiency, good machining precision, and are simple and convenient.
Description
Technical field
The present invention relates to a kind of follow grinding method and numerical control device thereof, solve non-circular grinding and off-centre operation grinding structure is numerous and diverse, production efficiency is low, the problem of low precision, this equipment is mainly used in off-centre operation grinding, non-circular grinding.
Background technology
Traditional off-centre operation grinding and non-circular grinding are to adopt eccentric fixture and indexing means and pattern, adopt the plain wheel grinding.There is following problem in this method and apparatus: 1, in common production, the processing of off-centre operation is to adopt eccentric fixture and indexing means, and indexing accuracy is not high like this, and production efficiency is low; 2, adopt pattern during non-circular grinding, the precision of pattern directly influences the precision of processing parts; 3, non-round accessory is various, has thousands of kinds at least, a kind of pattern of a kind of part, and pattern makes trouble, the cycle is long, can't satisfy production requirement; 4, traditional method for grinding adopts common diamond spar wheel grinding, and production efficiency is low, low precision.Therefore, existing non-circular grinding and off-centre operation method for grinding and equipment thereof are improved.
Summary of the invention
First technical problem to be solved by this invention is the deficiency at existing off-centre operation grinding and non-circular grinding method and device thereof, and a kind of grinding efficiency height, good processing accuracy, simple and convenient follow grinding method are provided.
Second technical problem to be solved by this invention provides a kind of numerical control device of implementing follow grinding method.
In order to solve the problems of the technologies described above, follow grinding method provided by the invention, adopt servomotor or torque motor, linear electric motors, digital control method is realized diaxon, multi-shaft interlocked, and develop off-centre operation, non-circular grinding software, realize the off-centre operation of multiple model plurality of specifications, the grinding of non-round accessory, the headstock, tailstock adopts servomotor or torque motor to drive workpiece and does the variable angular velocity revolution, the headstock, tailstock drives workpiece and realizes revolution synchronously, grinding carriage feed servo motor on the grinding carriage feed arrangement or grinding carriage feeding linear electric motors and headstock servomotor or torque motor linkage driving emery wheel and workpiece are tangent and do feeding at unspecified angle, make emery wheel identical from the depth of cut under the workpiece cutting, thereby grinding go out needed off-centre operation part and non-round accessory.
The numerical control device of realization follow grinding method provided by the invention, comprise the headstock, tailstock, grinding carriage, emery wheel, grinding carriage feed arrangement and digital control system, the described headstock, tailstock adopts servomotor or torque motor to drive, adopt the grinding carriage servomotor to add ball screw or the driving of grinding carriage linear electric motors on the described grinding carriage feed arrangement, described grinding carriage is provided with dynamic poise device and drives the spindle motor of described emery wheel, described emery wheel is vertical with workpiece to be provided with, described digital control system and described servomotor or torque motor, it is tangent and do feeding at unspecified angle that described grinding carriage feed servo motor or grinding carriage feeding linear electric motors are electrically connected the described grinding carriage feed servo motor of control or grinding carriage feeding linear electric motors and headstock servomotor or torque motor linkage driving emery wheel and workpiece.
The rotating spindle motor of described driving emery wheel is built-in spindle motor or external spindle motor.
Described built-in spindle motor or external spindle motor are common variable-frequency motor or other three phase electric machines.
Described digital control system is made up of servomotor or torque motor, linear electric motors, power module, driver module, grating and computer.
Described dynamic poise device is built-in dynamic poise device or external dynamic poise device.
Adopt the follow grinding method and the numerical control device thereof of technique scheme, adopt computer, servomotor, driver module, power module, digital servo control method, adopt diaxon or multi-shaft interlocked grinding off-centre operation and non-circle.The headstock, tailstock and grinding carriage are installed on the bed piece, off-centre operation workpiece and non-sired results part are installed in the middle of the headstock, the tailstock, grinding carriage is installed on the grinding carriage guide rail, emery wheel is installed on the grinding carriage, emery wheel is perpendicular to workpiece, on the work spindle of the headstock, tailstock servomotor is installed, in the middle of the grinding carriage feeding guide rail servomotor or linear electric motors is installed, can drive emery wheel and advance, retreat.When the headstock, tailstock servomotor drive the workpiece revolution, link in each angle position of the corresponding workpiece of grinding carriage feed servo motor-driven emery wheel, emery wheel is not only done the high speed rotary motion but also is moved forward and backward feeding, make emery wheel and workpiece every tangent and make depth of cut identical, set up point, position mathematics of control model and speed mathematics of control model here and developed corresponding software.
Operation principle of the present invention is: utilize modern cnc technology, adopt servomotor, digital control method is realized diaxon, multi-shaft interlocked, and develop off-centre operation, non-circular grinding software, realize that the off-centre operation of multiple model plurality of specifications, non-round accessory carry out grinding at a machine tool.
The invention solves multiple off-centre operation, non-round accessory can not be processed a difficult problem on an equipment, it does not need pattern and eccentric fixture, thereby greatly reduces production cost, has shortened the production cycle, and the part accuracy of manufacture, production efficiency are improved greatly.
Description of drawings
Fig. 1 is one of the present invention and implements structural representation, is used to process the off-centre operation part;
Fig. 2 is one of the present invention and implements grinding carriage feeding schematic diagram;
Fig. 3 is the crankshaft grinding feeding schematic diagram of an enforcement of the present invention;
Fig. 4 is that of the present invention another implemented structural representation, is used to process non-round accessory;
Fig. 5 is that of the present invention another implemented grinding carriage feeding schematic diagram;
Fig. 6 is the Camshaft Grinding feeding schematic diagram of another enforcement of the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples, but protection scope of the present invention is not limited to the described scope of embodiment.
The present invention adopts servomotor or torque motor to drive the workpiece revolution, workpiece all is variable in each angle position speed, servomotor or the linear electric motors driving emery wheel of controlling the emery wheel advance and retreat simultaneously are tangent in the unspecified angle position of workpiece, and keep depth of cut identical, like this workpiece in the turning course of making even linear velocity, servomotor or linear electric motors and the workhead servomotor or the torque motor interlock of control emery wheel advance and retreat, grinding goes out our needed off-centre operation part, as crank-shaft link neck.
The structure of the inventive method is: design a kind of grinding machine, workhead is adopted and is made servomotor or torque motor is controlled its workpiece angle of revolution speed, the emery wheel feed system adopts servomotor or linear electric motors to control its feed speed, acceleration, when linking, also do feeding with headstock servomotor or torque motor, and each angle of corresponding workpiece links and makes emery wheel and workpiece tangent and make depth of cut identical in arbitrary position, like this when non-circle of grinding and off-centre operation, workpiece angular speed is transient change, guarantees the circularity and the precision of processing parts.
Embodiment 1:
From Fig. 1, Fig. 2 and Fig. 3 are as can be seen, table feed servomotor 1 is installed on the bed piece, the headstock 3, tailstock 9 and grinding carriage 5, crankshaft workpiece 13 is installed in the headstock 3, in the middle of the headstock anchor clamps 4 of tailstock 9 and the tailstock anchor clamps 8, grinding carriage 5 is installed on the grinding carriage feed arrangement, emery wheel 12 is installed on the grinding carriage 5, emery wheel 12 is the CBN emery wheel, emery wheel 12 is perpendicular to crankshaft workpiece 13, grinding carriage 5 is provided with built-in dynamic poise device 6 and drives the built-in spindle motor 7 of emery wheel 12, built-in spindle motor 7 is common variable-frequency motor or other three phase electric machines, the headstock 3, headstock torque motor 2 and tailstock torque motor 10 are installed on the work spindle of tailstock 9, grinding carriage feeding linear electric motors 11 are installed in the middle of the grinding carriage feed arrangement, can drive grinding carriage 5 and emery wheel 12 advances, retreat, digital control system and headstock torque motor 2 worker's tailstock torque motors 10, it is tangent and do feeding at unspecified angle that grinding carriage feeding linear electric motors 11 are electrically connected control grinding carriage feeding linear electric motors 11 and headstock torque motor 2 linkage driving emery wheels 12 and grinding carriage feeding linear electric motors 11, and digital control system is by servomotor or torque motor, linear electric motors, power module, driver module, grating and computer are formed.
From Fig. 1, Fig. 2 and Fig. 3 as can be seen, the headstock torque motor 2, the grinding carriage feeding linear electric motors 11 that are arranged on the headstock 3 produce interlock under computer control, and crankshaft workpiece 13 its angular speed in rotating process changes, and realize the permanent linear speed of surface of the work.Emery wheel 12 on the grinding carriage 5 is under the driving of built-in spindle motor 7, carry out high speed rotary, grinding carriage 5 is advanced and retreat under the driving of grinding carriage feeding linear electric motors 11 simultaneously, make the outer surface single-revolution in office position and the emery wheel 12 of crankshaft workpiece 13 tangent, and produce identical depth of cut, this Grinding Process, the angle of revolution speed of crankshaft workpiece 13, phase angle, emery wheel advance and retreat position, feed speed, acceleration all are computer-controlled.Follow grinding device, the drive unit linear electric motors that are arranged at the grinding carriage feed system also can be that servomotor adds ball screw.
Be arranged at the headstock torque motor 2 on the headstock 3, the tailstock torque motor 10 that is arranged on the tailstock 9 also can be a servomotor.
The main shaft main frame that is arranged on the grinding carriage 5 also can be external spindle motor or variable-frequency motor.
The dynamic poise device that is arranged on the grinding carriage 5 also can be the external dynamic poise device.
This example be that distinguishing feature is:
1, is provided with by headstock torque motor 2, the follow grinding device that grinding carriage feeding linear electric motors 11 are formed, in the two-axle interlocking process, promptly at crankshaft workpiece 13 rotating unspecified angles, the surface of emery wheel 12 and crankshaft workpiece 13 surperficial tangent, make depth of cut identical, but grinding off-centre operation and non-round accessory.The method of a kind of effective grinding off-centre operation and non-circle is provided.
2, be arranged at grinding carriage feeding linear electric motors 11 on the grinding carriage feed system in emery wheel high speed rotary process, on the one hand and 2 interlocks of headstock torque motor make emery wheel 12 and crankshaft workpiece 13 tangent, make the identical depth of cut of unspecified angle cutting-out of emery wheel 12 corresponding high speed crankshaft workpiece 13 on the one hand do feed motion.
3, be arranged at headstock torque motor 2 and tailstock torque motor 10 on the headstock 3, for keeping crankshaft workpiece 13 tangent with emery wheel 12 all the time, and make depth of cut identical, then headstock torque motor 2 and tailstock torque motor 10 drive crankshaft workpiece 13 and do the variable angular velocity revolution, realize the permanent linear speed of surface of the work.
Embodiment 2:
Fig. 4, Fig. 5 and Fig. 6 have provided another embodiment, from Fig. 4, Fig. 5 and Fig. 6 headstock 3 as can be seen adopt 14 revolutions of headstock servomotor 15 driving cam shaft-like works, rotating speed by headstock servomotor 15 control camshaft workpiece 14, camshaft workpiece 14 rotating speeds all are variable in arbitrary angle position, the grinding carriage servomotor of controlling emery wheel 12 feedings simultaneously adds ball screw 16 and 15 interlock and the feedings of headstock servomotor, make emery wheel 12 and camshaft workpiece 14 tangent in arbitrary position, and keep depth of cut identical, camshaft workpiece 14 is in the turning course of making even linear speed like this, emery wheel 12 is controlled emery wheel 12 advance and retreat when making high speed rotary grinding carriage servomotor adds ball screw 16 one sides and does feed motion, one side and servomotor 15 interlocks, grinding goes out needed non-round accessory such as camshaft workpiece 14.
Claims (6)
1, a kind of follow grinding method, adopt servomotor or torque motor, linear electric motors, digital control method is realized diaxon, multi-shaft interlocked, and develop off-centre operation, non-circular grinding software, realize the off-centre operation of multiple model plurality of specifications, the grinding of non-round accessory, it is characterized in that: the headstock, tailstock adopts servomotor or torque motor to drive workpiece and does the variable angular velocity revolution, the headstock, tailstock drives workpiece and realizes revolution synchronously, grinding carriage feed servo motor on the grinding carriage feed arrangement or grinding carriage feeding linear electric motors and headstock servomotor or torque motor linkage driving emery wheel and workpiece are tangent and do feeding at unspecified angle, make emery wheel identical, thereby grinding go out needed off-centre operation part and non-round accessory from the depth of cut under the workpiece cutting.
2, a kind of numerical control device of realizing the described follow grinding method of claim 1, comprise the headstock (3), tailstock (9), grinding carriage (5), emery wheel (12), grinding carriage feed arrangement and digital control system, it is characterized in that: the described headstock (3), tailstock (9) adopts servomotor or torque motor to drive, adopt grinding carriage feed servo motor to add ball screw (16) or grinding carriage feeding linear electric motors (11) driving on the described grinding carriage feed arrangement, described grinding carriage (5) is provided with dynamic poise device and drives the spindle motor of described emery wheel (12), described emery wheel (12) is vertical with workpiece to be provided with, described digital control system and described servomotor or torque motor, described grinding carriage feed servo motor or grinding carriage feeding linear electric motors are electrically connected, and it is tangent and do feeding at unspecified angle to control described grinding carriage feed servo motor or grinding carriage feeding linear electric motors and headstock servomotor or the described emery wheel of torque motor linkage driving (12) and workpiece.
3, numerical control device according to claim 2 is characterized in that: the rotating spindle motor of described driving emery wheel is built-in spindle motor (7) or external spindle motor.
4, numerical control device according to claim 3 is characterized in that: described built-in spindle motor (7) or external spindle motor are common variable-frequency motor or other three phase electric machines.
5, numerical control device according to claim 2 is characterized in that: described digital control system is made up of servomotor or torque motor, linear electric motors, power module, driver module, grating and computer.
6, follow grinding numerical control device according to claim 2 is characterized in that: described dynamic poise device is built-in dynamic poise device (6) or external dynamic poise device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100430422A CN101513726A (en) | 2009-04-03 | 2009-04-03 | Follow-up grinding method and digital controller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100430422A CN101513726A (en) | 2009-04-03 | 2009-04-03 | Follow-up grinding method and digital controller thereof |
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| Publication Number | Publication Date |
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| CN101513726A true CN101513726A (en) | 2009-08-26 |
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| CNA2009100430422A Pending CN101513726A (en) | 2009-04-03 | 2009-04-03 | Follow-up grinding method and digital controller thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059592A (en) * | 2010-08-17 | 2011-05-18 | 上海交通大学 | Polygon non-circular grinding method based on constant material removal rate and transmission |
| CN102172872A (en) * | 2011-03-15 | 2011-09-07 | 湖南一派工业驱动有限公司 | Linear motor servo grinding device |
| CN102371537A (en) * | 2011-10-12 | 2012-03-14 | 潘旭华 | Crankshaft clamping method used in follow-up grinding of crankshaft rod journal |
| CN103072046A (en) * | 2011-10-25 | 2013-05-01 | 近藤机械制作所 | Swinging grinding method of irregular workpieces and swinging grinding plate |
| CN105563276A (en) * | 2015-12-15 | 2016-05-11 | 常熟市明瑞针纺织有限公司 | Numeral control standing grinding machine used for processing patterned cam |
| CN109434573A (en) * | 2018-12-28 | 2019-03-08 | 张二朋 | The method for grinding and grinding structure of convex curve non-circular profile part |
| CN110802474A (en) * | 2019-11-16 | 2020-02-18 | 湖南恺嘉智能科技有限公司 | Linear slide rail grinding device |
-
2009
- 2009-04-03 CN CNA2009100430422A patent/CN101513726A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059592A (en) * | 2010-08-17 | 2011-05-18 | 上海交通大学 | Polygon non-circular grinding method based on constant material removal rate and transmission |
| CN102059592B (en) * | 2010-08-17 | 2012-08-22 | 上海交通大学 | Polygon non-circular grinding method based on constant material removal rate and transmission |
| CN102172872A (en) * | 2011-03-15 | 2011-09-07 | 湖南一派工业驱动有限公司 | Linear motor servo grinding device |
| CN102371537A (en) * | 2011-10-12 | 2012-03-14 | 潘旭华 | Crankshaft clamping method used in follow-up grinding of crankshaft rod journal |
| CN103072046A (en) * | 2011-10-25 | 2013-05-01 | 近藤机械制作所 | Swinging grinding method of irregular workpieces and swinging grinding plate |
| CN103072046B (en) * | 2011-10-25 | 2015-04-08 | 近藤机械制作所 | Swinging grinding method of irregular workpieces and swinging grinding plate |
| CN105563276A (en) * | 2015-12-15 | 2016-05-11 | 常熟市明瑞针纺织有限公司 | Numeral control standing grinding machine used for processing patterned cam |
| CN109434573A (en) * | 2018-12-28 | 2019-03-08 | 张二朋 | The method for grinding and grinding structure of convex curve non-circular profile part |
| CN109434573B (en) * | 2018-12-28 | 2024-01-02 | 张二朋 | Grinding method and grinding structure for convex curve non-circular contour part |
| CN110802474A (en) * | 2019-11-16 | 2020-02-18 | 湖南恺嘉智能科技有限公司 | Linear slide rail grinding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ASS | Succession or assignment of patent right |
Owner name: HUNAN JACK CNC GRINDER CO., LTD. Free format text: FORMER OWNER: HU XISHI Effective date: 20090717 |
|
| C06 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090717 Address after: Hunan city high tech Industrial Development Zone Changsha Changsha Lulong Road No. 199 Building No. 807 mark Lugu coordinates A Applicant after: Hunan Jack CNC grinding machine Co., Ltd. Co-applicant after: Hunan University Address before: Hunan city high tech Industrial Development Zone Changsha Changsha Lulong Road No. 199 Building No. 807 mark Lugu coordinates A Applicant before: Hu Xishi |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090826 |