CN101352835A - Stepping motor drive grinding machine and control method thereof - Google Patents
Stepping motor drive grinding machine and control method thereof Download PDFInfo
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- CN101352835A CN101352835A CNA2008100701631A CN200810070163A CN101352835A CN 101352835 A CN101352835 A CN 101352835A CN A2008100701631 A CNA2008100701631 A CN A2008100701631A CN 200810070163 A CN200810070163 A CN 200810070163A CN 101352835 A CN101352835 A CN 101352835A
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- stepper motor
- pulse signal
- grinding machine
- grinding
- measuring instrument
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Abstract
The invention discloses a grinder driven by stepping motors and a control method thereof. The grinder comprises a bed body, a radial feeding mechanism and a vertical feeding mechanism, as well as an automatic control system, a stepping motor I and a stepping motor II. The stepping motor I and the stepping motor II are controlled by the automatic control system and drive the radial feeding mechanism and the vertical feeding mechanism respectively. The grinder driven by stepping motors has the advantages of high automation, simple structure, low manufacture cost. Compared with the grinders controlled by ac servo motors and hydraulic pressure, the grinder driven by stepping motors has an obvious low cost; under the prerequisite of ensuring high precision, the grinding speed is improved obviously. The grinder using the control system of the invention only needs less than half of the time needed by the existing hydraulic controlled automatic grinders to grind a work station; with a manual driving being attached, the grinding accuracy of the grinder and the grinding efficiency are improved; the control method of the invention uses stepping motors to control the feeding speed of feeding lead screws, which realizes the automatic grinding process from coarse grinding to fine grinding to reduction grinding, and controls the grinding precision effectively.
Description
Technical field
The present invention relates to a kind of grinding machine, is a kind of stepper motor driven grinding machine and control method thereof.
Background technology
Grinding machine is to utilize grinding tool surface of the work to be carried out the lathe of grinding.Along with the increase of high accuracy, high rigidity machine components quantity, and the development of hot investment casting and precision forging technology, the performance of grinding machine, kind and output are all constantly improving and are increasing.Cylindrical grinder be to use the most widely, can process the grinding machine of various cylindrical and conical external surface and shaft shoulder end face.Universal grinding machine external also has internal grinding attachment, but the bigger inside and outside conical surface of grinding endoporus and tapering.
In the prior art, the automaticity of cylindrical grinder is lower, only is applicable to medium and small endorsement spare production and repair work.Full-automatic cylindrical grinder is to realize automatic grinding by the fltting speed of control Precise Oil Cylinder, perhaps realize automatic grinding with the feeding of AC servo control leading screw, oil cylinder is controlled grinding process or is realized the automatic grinding process with the feeding of AC servo control leading screw, the cost height, and grinding speed is slow, and the advantage that does not have existing manual grinding machine to have.
Therefore, need a kind of grinding machine, automaticity is higher, and is simple in structure, low cost of manufacture, and the grinding efficiency height improves grinding accuracy, and saves production cost.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of stepper motor driven grinding machine and control method thereof, automaticity is higher, simple in structure, low cost of manufacture, grinding efficiency height, improve grinding accuracy, and save production cost, control the feed screw feed speed, thereby realize roughly grinding the realization automatic grinding process that correct grinding arrives tarry matter again by stepper motor.
Stepper motor driven grinding machine of the present invention, comprise lathe bed, depth-feed mechanism and longitudinal feed mechanism, also comprise automatic control system, stepper motor I and stepper motor II, described stepper motor I and stepper motor II drive depth-feed mechanism and longitudinal feed mechanism respectively by automatic controlling system.
Further, described automatic control system comprises in-process measuring instrument and SCM system, the corresponding radial data information that is provided for gathering workpiece of described in-process measuring instrument with workpiece, and data message imported SCM system, send the controller that controls signal to stepper motor I and the controller of stepper motor II by SCM system, the amount of feeding of control depth-feed mechanism and longitudinal feed mechanism;
Further, described SCM system comprises single-chip microcomputer I and single-chip microcomputer II, described in-process measuring instrument is imported single-chip microcomputer I with data message, and single-chip microcomputer I handles back input single-chip microcomputer II with signal, sends the controller that controls signal to stepper motor I and the controller of stepper motor II by single-chip microcomputer II;
Further, described in-process measuring instrument is a displacement transducer;
Further, described stepper motor I drives depth-feed mechanism and longitudinal feed mechanism by wheel feed screw mechanism I and stepper motor II respectively by wheel feed screw mechanism II;
Further, described stepper motor I and stepper motor II main shaft afterbody are provided with the driving handwheel;
Further, the input and output cable of described automatic control system is provided with shielding;
Further, described stepper motor I links to each other with wheel feed screw mechanism II with wheel feed screw mechanism I by yielding coupling respectively with stepper motor II.
The invention also discloses a kind of control method of stepper motor driven grinding machine, may further comprise the steps:
A sets radial measurement point P according to diameter of work
0, P
1, P
2, P
3And P
4, and P
0＞P
1＞P
2＞P
3＞P
4, being located at line collection numerical value is M, contrast contrast M value and P
4If, M≤P
4, in-process measuring instrument sends P
4Pulse signal ends work;
If b is M＞P
4, contrast M value and P
3If, M≤P
3, then send out P
1Pulse signal, control amount of feeding P
1-P
2After, send P
2Pulse signal is until M≤P
4The time, send P
4Pulse signal ends work;
If c is M＞P
3, in-process measuring instrument sends P
1Pulse signal, it is P that stepper motor I drives the depth-feed mechanism amount of feeding
1-P
2, decide the journey corase grind; Contrast M value and P
4If, M＞P
4, contrast M value and P
3If, M＞P
3, contrast M value and P
2If, M 〉=P
2, in-process measuring instrument sends P
2Pulse signal is until M＜P
2The time, contrast M value and P
3If, M＞P
3, in-process measuring instrument sends P
2Pulse signal finish grindes, until M≤P
3The time, in-process measuring instrument sends P
3Pulse signal stops to send pulse signal, waits for more than the workpiece rotation one-period, sends P
4Pulse signal ends work;
Among the d step c, if M≤P
4, send P
4Pulse signal ends work;
Among the e step c, if M≤P
3, in-process measuring instrument sends P
3Pulse signal stops to send pulse signal, waits for more than the workpiece rotation one-period, sends P
4Pulse signal ends work.
Further, set P
81And P
82, P
81The control wave width is just controlled grinding machine primary feed amount; P
82Control the time interval of twice feeding, just can send next feeding order after guaranteeing to rotate a circle at least after this feeding.
The invention has the beneficial effects as follows: stepper motor driven grinding machine of the present invention, adopt stepper motor to drive radial and axial feeding, automaticity is higher, simple in structure, low cost of manufacture, the grinding efficiency height, improve grinding accuracy, compare with hydraulic control with AC Servo Motor Control, cost obviously reduces, guaranteeing that grinding speed obviously improves under the high accuracy prerequisite, utilizing station of grinding machine of control system of the present invention only to need existing hydraulic control self-acting grinding machine less than time of 1/2nd; Control method of the present invention is controlled the feed screw feed speed by stepper motor, realizes roughly grinding the realization automatic grinding process that correct grinding arrives tarry matter again, effectively controls the precision of grinding.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is stepper motor of the present invention and screw mandrel connection diagram;
Fig. 3 is a control method block diagram of the present invention.
The specific embodiment
Fig. 1 is a structural representation of the present invention, Fig. 2 is stepper motor of the present invention and screw mandrel connection diagram, as shown in the figure: the stepper motor driven grinding machine of present embodiment, comprise lathe bed 1, depth-feed mechanism and longitudinal feed mechanism, also comprise automatic control system, stepper motor I 4 and stepper motor II 2, described stepper motor I 4 and stepper motor II 2 drive depth-feed mechanism and longitudinal feed mechanism respectively by automatic controlling system; Stepper motor I 4 drives depth-feed mechanism and longitudinal feed mechanism by wheel feed screw mechanism I 11 and stepper motor II 2 respectively by wheel feed screw mechanism II 12 in the present embodiment; Stepper motor I 4 links to each other with wheel feed screw mechanism II12 with wheel feed screw mechanism I 11 by yielding coupling 14 respectively with stepper motor II 2, elastic washer 15 is set in the yielding coupling 14, adopt yielding coupling, axiality problem in the compensation installation process, eliminate the shock and vibration in the transmission process, be beneficial to the raising grinding accuracy.
Automatic control system comprises in-process measuring instrument 8 and SCM system, and in the present embodiment, in-process measuring instrument 8 is a displacement transducer; SCM system comprises single-chip microcomputer I 7 and single-chip microcomputer II 6, in-process measuring instrument 8 and the workpiece 9 corresponding radial data information that are provided for gathering workpiece 9, and data message imported single-chip microcomputer I 7, single-chip microcomputer I 7 handles back input single-chip microcomputer II 6 with signal, send the controller 5 that controls signal to stepper motor I 4 and the controller 3 of stepper motor II 2 by single-chip microcomputer II 6, the amount of spin of control step motor I 4 and stepper motor II 2, thereby the amount of feeding of control depth-feed mechanism and longitudinal feed mechanism; In the present embodiment, the input and output cable of automatic control system is provided with shielding, eliminates the destabilizing factor of stepping motor system;
Stepper motor I 4 and stepper motor II 2 main shaft afterbodys are provided with manual drives handwheel 13, install manual drives handwheel 13 additional after, grinding machine can be realized automatic or manual, handled easily.
Fig. 3 is a control method block diagram of the present invention, and as shown in the figure: the control method of stepper motor driven grinding machine of the present invention may further comprise the steps:
A sets radial measurement point P according to diameter of work
0, P
1, P
2, P
3And P
4, and P
0＞P
1＞P
2＞P
3＞P
4, being located at line, to gather numerical value be M, from measured value smaller or equal to P
1Begin corase grind, measured value is less than or equal to P
2Begin correct grinding.Measured value is less than or equal to P
3The no-spark mill.Measured value equals P
4Output P
4Signal stops grinding, resets;
Be grinding accuracy and the speed that guarantees this cylindrical grinder controller, the output signal P of this in-process measuring instrument
1.P
2.P
3.P
4As follows:
With standard axle to " 0 "
2. survey the difference of big blank axle and standard axle, this value is charged to P
1
3. the amount instrument is exported P
0Or P
1In time, export with pulse singaling, presses P
1-P
2The value control screw mandrel amount of feeding (promptly deciding journey).
4. decide after journey covers, this moment, measured value was at P
1Scope or P
2Scope is all exported P
2Pulse signal, same width P
2It is same width P that pulse signal produces the amount of feeding
1Pulse signal produces 1/5th of the amount of feeding, is generally for 20 μ/seconds, enters P this moment
2The jog stage; Afterwards according to measured value control output P
3Or P
4Until finishing grinding.
Program begins, contrast M value and P
4If, M≤P
4, in-process measuring instrument sends P
4Pulse signal ends work;
If b is M＞P
4, contrast M value and P
3If, M≤P
3, then send P
1Pulse signal, control amount of feeding P
1-P
2After send P
2Pulse signal is until M≤P
4The time, send P
4Pulse signal ends work;
If c is M＞P
3, in-process measuring instrument sends P
1Pulse signal, it is P that stepper motor I drives the depth-feed mechanism amount of feeding
1-P
2, decide the journey corase grind; Contrast M value and P
4If, M＞P
4, contrast M value and P
3If, M＞P
3, contrast M value and P
2If, M 〉=P
2, in-process measuring instrument sends P
2Pulse signal is until M＜P
2The time, contrast M value and P
3If, M＞P
3, in-process measuring instrument sends P
2Pulse signal finish grindes, until M≤P
3The time, in-process measuring instrument sends P
3Pulse signal, promptly the tarry matter signal stops to send pulse signal, waits for more than the workpiece rotation one-period, sends P
4Pulse signal ends work;
Among the d step c, if M≤P
4, send P
4Pulse signal ends work;
Among the e step c, if M≤P
3, in-process measuring instrument sends P
3Pulse signal, promptly the tarry matter signal stops to send pulse signal, waits for more than the workpiece rotation one-period, sends P
4Pulse signal ends work.
In the feeding process, set P
81And P
82, P
81The control wave width is just controlled grinding machine primary feed amount; P
82Control the time interval of twice feeding, just can send next feeding order after guaranteeing to rotate a circle at least after this feeding; Grinding machine primary feed amount is generally 10 μ-180 μ; At interval, be generally 0.04 second-10 seconds between twice feeding, this time with spool thickness relevant with the grinding work piece rotating speed, just can send next feeding order after generally guaranteeing to rotate a circle at least after the current feeding.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. stepper motor driven grinding machine, comprise lathe bed (1), depth-feed mechanism and longitudinal feed mechanism, it is characterized in that: also comprise automatic control system, stepper motor I (4) and stepper motor II (2), described stepper motor I (4) and stepper motor II (2) drive depth-feed mechanism and longitudinal feed mechanism respectively by automatic controlling system.
2. stepper motor driven grinding machine according to claim 1, it is characterized in that: described automatic control system comprises in-process measuring instrument (8) and SCM system, the corresponding radial data information that is provided for gathering workpiece (9) of described in-process measuring instrument (8) with workpiece (9), and data message imported SCM system, send the controller that controls signal to stepper motor I (4) and the controller of stepper motor II by SCM system, the amount of feeding of control depth-feed mechanism and longitudinal feed mechanism.
3. stepper motor driven grinding machine according to claim 2, it is characterized in that: described SCM system comprises single-chip microcomputer I (7) and single-chip microcomputer II (6), described in-process measuring instrument (8) is imported single-chip microcomputer I (7) with data message, single-chip microcomputer I (7) handles back input single-chip microcomputer II (6) with signal, sends the controller (5) that controls signal to stepper motor I (4) and the controller (3) of stepper motor II (2) by single-chip microcomputer II (6).
4. stepper motor driven grinding machine according to claim 3 is characterized in that: described in-process measuring instrument (8) is a displacement transducer.
5. stepper motor driven grinding machine according to claim 4 is characterized in that: described stepper motor I (4) drives depth-feed mechanism and longitudinal feed mechanism by wheel feed screw mechanism I (11) and stepper motor II (2) respectively by wheel feed screw mechanism II (12).
6. stepper motor driven grinding machine according to claim 5 is characterized in that: described stepper motor I and stepper motor II main shaft afterbody are provided with manual drives handwheel (13).
7. stepper motor driven grinding machine according to claim 6 is characterized in that: the input and output cable of described automatic control system is provided with shielding.
8. stepper motor driven grinding machine according to claim 7 is characterized in that: described stepper motor I (4) links to each other with wheel feed screw mechanism II (12) with wheel feed screw mechanism I (11) by yielding coupling (14) respectively with stepper motor II (2).
9. the control method of the described stepper motor driven grinding machine of claim 1 is characterized in that: may further comprise the steps:
A sets radial measurement point P according to diameter of work
0, P
1, P
2, P
3And P
4, and P
0＞P
1＞P
2＞P
3＞P
4, being located at line collection numerical value is M, contrast M value and P
4If, M≤P
4, in-process measuring instrument sends P
4Pulse signal ends work;
If b is M＞P
4, contrast M value and P
3If, M≤P
3, then send out P
1Pulse signal, control amount of feeding P
1-P
2, send P afterwards
2Pulse signal is until M≤P
4The time, send P
4Pulse signal ends work;
If c is M＞P
3, in-process measuring instrument sends P
1Pulse signal, it is P that stepper motor I drives the depth-feed mechanism amount of feeding
1-P
2, decide the journey corase grind; Contrast M value and P
4If, M＞P
4, contrast M value and P
3If, M＞P
3, contrast M value and P
2If, M 〉=P
2, in-process measuring instrument sends P
2Pulse signal is until M＜P
2The time, contrast M value and P
3If, M＞P
3, in-process measuring instrument sends P
2Pulse signal finish grindes, until M≤P
3The time, in-process measuring instrument sends P
3Pulse signal stops to send pulse signal, waits for more than the workpiece rotation one-period, sends P
4Pulse signal ends work;
Among the d step c, if M≤P
4, send P
4Pulse signal ends work;
Among the e step c, if M≤P
3, in-process measuring instrument sends P
3Pulse signal stops to send pulse signal, waits for more than the workpiece rotation one-period, sends P
4Pulse signal ends work.
10. the control method of stepper motor driven grinding machine according to claim 9 is characterized in that: set P
81And P
82, P
81The control wave width is just controlled grinding machine primary feed amount; P
82Control the time interval of twice feeding, just can send next feeding order after guaranteeing to rotate a circle at least after this feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100701631A CN101352835B (en) | 2008-08-22 | 2008-08-22 | Control method of stepping motor drive grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100701631A CN101352835B (en) | 2008-08-22 | 2008-08-22 | Control method of stepping motor drive grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101352835A true CN101352835A (en) | 2009-01-28 |
| CN101352835B CN101352835B (en) | 2011-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100701631A Active CN101352835B (en) | 2008-08-22 | 2008-08-22 | Control method of stepping motor drive grinding machine |
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|---|---|
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328260A (en) * | 2011-07-01 | 2012-01-25 | 南通星维油泵油嘴有限公司 | Processing device for directly grinding inclined groove and straight groove of plunger piston |
| CN102490110A (en) * | 2011-12-02 | 2012-06-13 | 浙江理工大学 | Control device for crystal grinding machine |
| CN103084939A (en) * | 2013-01-29 | 2013-05-08 | 烟台双圆通用件有限公司 | Grinder special for floating oil seal inner conical surface |
| CN103934754A (en) * | 2014-04-30 | 2014-07-23 | 江苏合成齿轮有限公司 | Automatic simple and precise grinding machine |
| CN105628488A (en) * | 2015-12-24 | 2016-06-01 | 中山大学 | Mechanical loading device suitable for multi-environment and vacuum testing device |
| CN106625196A (en) * | 2016-12-30 | 2017-05-10 | 重庆振华制动器有限公司 | Excircle machining method for brake and excircle machining machine tool |
| CN106933193A (en) * | 2017-03-28 | 2017-07-07 | 桂林市同力自动化系统有限责任公司 | grinding machine digital display control instrument and its operation method |
-
2008
- 2008-08-22 CN CN2008100701631A patent/CN101352835B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328260A (en) * | 2011-07-01 | 2012-01-25 | 南通星维油泵油嘴有限公司 | Processing device for directly grinding inclined groove and straight groove of plunger piston |
| CN102490110A (en) * | 2011-12-02 | 2012-06-13 | 浙江理工大学 | Control device for crystal grinding machine |
| CN103084939A (en) * | 2013-01-29 | 2013-05-08 | 烟台双圆通用件有限公司 | Grinder special for floating oil seal inner conical surface |
| CN103084939B (en) * | 2013-01-29 | 2016-03-30 | 烟台双圆通用件有限公司 | Float grease seal inner conical surface special purpose grinder |
| CN103934754A (en) * | 2014-04-30 | 2014-07-23 | 江苏合成齿轮有限公司 | Automatic simple and precise grinding machine |
| CN105628488A (en) * | 2015-12-24 | 2016-06-01 | 中山大学 | Mechanical loading device suitable for multi-environment and vacuum testing device |
| CN106625196A (en) * | 2016-12-30 | 2017-05-10 | 重庆振华制动器有限公司 | Excircle machining method for brake and excircle machining machine tool |
| CN106933193A (en) * | 2017-03-28 | 2017-07-07 | 桂林市同力自动化系统有限责任公司 | grinding machine digital display control instrument and its operation method |
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| Publication number | Publication date |
|---|---|
| CN101352835B (en) | 2011-04-27 |
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Effective date of registration: 20170817 Address after: 472000 horse ditch, Hubin Industrial Park, Sanmenxia, Henan Patentee after: Source of the United States and Sanmenxia Testing Instrument Co., Ltd. Address before: 472000, Henan Province, Sanmenxia City, Hubin District, intersection village, three groups Patentee before: Li Xujie |