CN102489786A - Triaxial linkage control system of numerical control bevel gear lapping machine - Google Patents
Triaxial linkage control system of numerical control bevel gear lapping machine Download PDFInfo
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- CN102489786A CN102489786A CN2011103897335A CN201110389733A CN102489786A CN 102489786 A CN102489786 A CN 102489786A CN 2011103897335 A CN2011103897335 A CN 2011103897335A CN 201110389733 A CN201110389733 A CN 201110389733A CN 102489786 A CN102489786 A CN 102489786A
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Abstract
The invention relates to the technical field of numerical control lapping machines, in particular to a triaxial linkage control system of a numerical control bevel gear lapping machine, which comprises an industrial computer, an embedded type control chip unit, a grating graduated scale, a high-speed serial communication bus, a local control unit and a servo driving unit. A central processor is in charge of high-speed operation and core control, and the embedded type control chip unit is in charge of signal acquisition and high-speed serial communication maintenance. The whole control system is concise in structure, high in efficiency, clear in work division and stable in performance. A closed loop of the system conducts online feedback to guarantee the accuracy of movement of the servo driving unit. A large wheel and a small wheel in front of a lapping gear are automatically meshed to automatically measure lateral clearance of gear faces, thereby reducing operation procedures and improving production efficiency.
Description
Technical field
The present invention relates to numerical control gear lapping machine technology field, especially a kind of three-shaft linkage control system of numerical control bevel gear gear lapping machine.
Background technology
Along with automobile industry steadily proposes increasingly high requirement with performance such as low noise to the running of back axle bevel gear pair, modern numerical control gear lapping technology becomes domestic and international bevel gear lathe and equips one of several key technologies of industry.Existing gear lapping machine grinds motion model can be classified as two types: Swing pinion cone gear lapping motion model and V/H adjustment method gear lapping motion model.Swing pinion cone gear lapping motion model mainly will be used on the traditional mechanical semi-automatic bevel gear lapper, and numerical control gear lapping machine all is to adopt V/H adjustment method gear lapping motion model basically.Wherein, the debug process of Swing pinion cone gear lapping processing is complicated, and the movement locus setting comparatively bothers, and for changing various flank of tooth situation, the pattern of these movement locus is too single, does not have too big changeability; In addition, the design of swing mechanism is more complicated with respect to the design of straight-line motion mechanism, has increased the cost and the unstability of system simultaneously.Therefore, modern numerical control gear lapping machine all is to adopt V/H adjustment method gear lapping motion model to carry out gear lapping processing basically.The numerical control gear lapping machine of main product such as Glerson and Oerlikon company all directly adopts import CNC digital control platform in the market; Therefore function expansion aspect receives the platform considerable restraint; And, cause using the type of this platform can't large-scale application because the cost of import CNC digital control platform own is too high.
Summary of the invention
Expand in order to overcome existing C NC digital control platform limitation function, the deficiency that cost is high, the three-shaft linkage that the invention provides a kind of numerical control bevel gear gear lapping machine is controlled system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of three-shaft linkage control system of numerical control bevel gear gear lapping machine; It is characterized in that; Comprise industrial computer, embedded control chip unit, grating rule, speed serial communication bus, local area control unit and servo drive unit; The central processing unit of industrial computer carries out exchanges data through pci system bus and embedded control chip unit; The embedded control chip unit links to each other with the local control module with the grating rule respectively, and servo drive unit is connected with the local area control unit.
According to another embodiment of the invention, comprise that further the local area control unit has three, connect through speed serial communication bus between each local area control unit.
According to another embodiment of the invention, comprise that further every local area control unit connects a servo drive unit.
The invention has the beneficial effects as follows that central processing unit has the high speed processing function of 2.4G, be responsible for the control of high-speed computation and core; The embedded control chip unit is responsible for signals collecting and is kept high-speed serial communication; The whole control system is simple for structure efficient, and the division of labor is clear and definite, stable performance; Three axial real-time interpolation are moved, and guarantee that the large and small gear teeth have constant backlash values and rational flank of tooth abrasive areas when grinding; The closed loop online feedback of system is with the accuracy that guarantees that servo drive unit moves; Large and smallly before the gear lapping take turns automatic engagement, measure flank of tooth sideshake automatically, reduce operating process, enhance productivity.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a system architecture sketch map of the present invention.
1. industrial computers among the figure, 2. embedded control chip unit, 3. grating rule, 4. speed serial communication bus, 5. local area control unit, 6. servo drive unit.
The specific embodiment
Like Fig. 1 is system architecture sketch map of the present invention; A kind of three-shaft linkage control system of numerical control bevel gear gear lapping machine; It is characterized in that; Comprise industrial computer 1, embedded control chip unit 2, grating rule 3, speed serial communication bus 4, local area control unit 5 and servo drive unit 6; The central processing unit of industrial computer 1 carries out exchanges data through pci system bus and embedded control chip unit 2, and embedded control chip unit 2 links to each other with local control module 5 with grating rule 3 respectively, and servo drive unit 6 is connected with local area control unit 5.Local area control unit 5 has three, connects through speed serial communication bus 4 between each local area control unit 5.Every local area control unit 5 connects a servo drive unit 6.
By the special-purpose software control central processing unit that independent development is installed on industrial computer 1; (regulation bull wheel axis direction is the G direction to the steamboat low-speed forward along the bull wheel axis direction to drive servo drive unit 6 through embedded control chip unit 2 control local control modules 5; Bull wheel is the G positive direction along its axis to the steamboat moving direction), local area control unit 5 real-time feedback servo driver elements 6 work as preload.The load that detects servo drive unit 6 when the central processing unit of industrial computer 1 is greater than the capping value; Stopping servo drive unit 6 immediately advances to the G direction; Read G direction grating rule 3 data and and the specified standard locating distance do comparison; In prescribed limit, then get into the step of automatic prototype gear sideshake like difference; Otherwise control servo drive unit 6 along G direction ease astern to home; Controlling main motor through the RS232 COM1 of industrial computer 1 changes the angle step of a regulation and gets into gear pair again and mesh the stage automatically; As surpassing 4 gear pairs correct engagement not yet, then point out the user to get into manual engagement.After the gear pair correct engagement; Control main motor-driven steamboat through the RS232 COM1 of industrial computer 1; Make it drive bull wheel 1 circle that slowly runs, dynamically recording G direction grating rule 3 data simultaneously, these data have reflected that the flank of tooth of each position of bull wheel beats; Be used as the foundation of confirming the reasonable sideshake of big steamboat, and then guarantee the gear lapping effect.After confirming reasonable sideshake, configure the multiple spot coordinate and the mode of operation of VHG direction, system can accomplish automatic grinding.
Claims (3)
1. the three-shaft linkage of a numerical control bevel gear gear lapping machine is controlled system; It is characterized in that; Comprise industrial computer (1), embedded control chip unit (2), grating rule (3), speed serial communication bus (4), local area control unit (5) and servo drive unit (6); The central processing unit of industrial computer (1) carries out exchanges data through pci system bus and embedded control chip unit (2); Embedded control chip unit (2) links to each other with local control module (5) with grating rule (3) respectively, and servo drive unit (6) is connected with local area control unit (5).
2. the three-shaft linkage control system of numerical control bevel gear gear lapping machine according to claim 1 is characterized in that local area control unit (5) have three, connects through speed serial communication bus (4) between each local area control unit (5).
3. the three-shaft linkage control system of numerical control bevel gear gear lapping machine according to claim 1 is characterized in that every local area control unit (5) connects a servo drive unit (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103897335A CN102489786A (en) | 2011-11-30 | 2011-11-30 | Triaxial linkage control system of numerical control bevel gear lapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103897335A CN102489786A (en) | 2011-11-30 | 2011-11-30 | Triaxial linkage control system of numerical control bevel gear lapping machine |
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| CN102489786A true CN102489786A (en) | 2012-06-13 |
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| CN2011103897335A Pending CN102489786A (en) | 2011-11-30 | 2011-11-30 | Triaxial linkage control system of numerical control bevel gear lapping machine |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5268898A (en) * | 1991-03-19 | 1993-12-07 | Mitsubishi Denki K.K. | Information transmission system between machine master and servo mechanism |
| US6037738A (en) * | 1997-03-25 | 2000-03-14 | Mitsubishi Denki Kabushiki Kaisha | Servo control method and servo control system |
| US6049744A (en) * | 1995-08-22 | 2000-04-11 | Fanuc Ltd | Numerical control apparatus |
| CN2751338Y (en) * | 2004-10-29 | 2006-01-11 | 广州市诺信数字测控设备有限公司 | Numerical control device used in numerical control machine |
| CN101776886A (en) * | 2009-12-25 | 2010-07-14 | 奇瑞汽车股份有限公司 | Power battery pole piece numerical control laser cutting control system |
| CN202388064U (en) * | 2011-11-30 | 2012-08-22 | 常州市步云工控自动化有限公司 | Three-axis coordinated control system for digital control taper gear grinder |
-
2011
- 2011-11-30 CN CN2011103897335A patent/CN102489786A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5268898A (en) * | 1991-03-19 | 1993-12-07 | Mitsubishi Denki K.K. | Information transmission system between machine master and servo mechanism |
| US6049744A (en) * | 1995-08-22 | 2000-04-11 | Fanuc Ltd | Numerical control apparatus |
| US6037738A (en) * | 1997-03-25 | 2000-03-14 | Mitsubishi Denki Kabushiki Kaisha | Servo control method and servo control system |
| CN2751338Y (en) * | 2004-10-29 | 2006-01-11 | 广州市诺信数字测控设备有限公司 | Numerical control device used in numerical control machine |
| CN101776886A (en) * | 2009-12-25 | 2010-07-14 | 奇瑞汽车股份有限公司 | Power battery pole piece numerical control laser cutting control system |
| CN202388064U (en) * | 2011-11-30 | 2012-08-22 | 常州市步云工控自动化有限公司 | Three-axis coordinated control system for digital control taper gear grinder |
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Application publication date: 20120613 |