CN203438006U - Novel high-precision fine grinding tooth numerical control system - Google Patents
Novel high-precision fine grinding tooth numerical control system Download PDFInfo
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- CN203438006U CN203438006U CN201320432189.2U CN201320432189U CN203438006U CN 203438006 U CN203438006 U CN 203438006U CN 201320432189 U CN201320432189 U CN 201320432189U CN 203438006 U CN203438006 U CN 203438006U
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Abstract
The utility model discloses a novel high-precision fine grinding tooth numerical control system, which comprises a split machine case, an AC (alternating current) power supply module, a DC (direct current) switch power supply module, a main control numerical control unit and a power driving unit, wherein the split machine case comprises a plurality of independent box bodies arranged side by side, and the AC power supply module, the DC switch power supply module, the main control numerical control unit and the power driving unit are correspondingly arranged in the corresponding independent box bodies and are mutually connected. The novel high-precision fine grinding tooth numerical control system has the advantages that the design is ingenious and reasonable, the split modularized structural design is adopted, in addition, the position relationship is reasonably distributed according to different functions, heavy and light current and power consumption, the work stability is good, in addition, the operation and daily maintenance work can be easily controlled, and the work efficiency and the processing precision can be effectively improved; in addition, the tooth grinding and tooth trimming functions are realized, the balance monitoring is carried out on teeth and grinding wheels in real time, the trimming and the compensation can be made in time, the grinding processing work is completed at high efficiency and high precision, and the product quality is effectively ensured.
Description
Technical field
The utility model relates to Computerized Numerical Control technology field, particularly a kind of novel high finishing grinding tooth digital control system.
Background technology
The digital control system that the gear grinding machines such as the worm abrasion wheel of current domestic same specification or formed grinding wheel are equipped with is external standard digital control system (as Siemens, Japan fanuc etc.), although the versatility of this standard digital control system is high, function is a lot, but be not the system of researching and developing for a certain lathe specially, both can be for gear grinding machines, also can be for lathes such as lathe, milling machine, grinding machines.Make like this controlled and professional relative poor to gear-grinding machine of this digital control system, cannot allow gear grinding machines realize to be in use simple and easy to use, simple operation, real-time high-efficiency to possess again high grinding accuracy simultaneously.Even more important a bit, the price of these foreign systems is very expensive, approaches the cost of a numerically controlled tooth grinding machine 40%.Once spend the guarantee period, while breaking down, downtime is relatively long, and maintenance cost is high.
Standard universal type digital control system is that to take a CPU be core, by bus mode, other a plurality of modules is controlled.Each module all can realize the control to single axle, thereby a plurality of identical modules of the system integration realize the control to a plurality of axles.To different classes of lathe, CPU is used different software control algorithms.With gear grinding machine with worm grinding wheel, CPU calls inner 4 hardware modules and realizes the control to 4 axles, and 4 axles relation of following up in grinding process relies on the in house software algorithm of CPU equally.This in house software algorithm is by development and Design personnel fixed routine, and secondary development person or user are difficult to deeply wherein carry out complex calculation, and the limited function code that can only provide by it is done external arithmetic, is difficult to arrive the high-precision calculating that grinding requires.Especially the requirement of gear grinding machines grinding process is very high, requires on the one hand stock removal accurately to control (comprising profile of tooth, transverse tooth thickness and helical angle etc.), to optional tooth number, accurately divides tooth; On the other hand, due to the continuous wearing and tearing of emery wheel, require carrying out trace finishing, the real-time update control for grinding to it again of its positional information of the emery wheel after finishing after the certain number of times of the every grinding of emery wheel.This wherein at least relates to the control of two cover kinematic chains.Certainly, carry out emery wheel profile when finishing, nearly also more complicated of the biasing of 3 diamond pens and INTERPOLATION CONTROL OF PULSE itself.These have all proposed very high requirement to general-purpose system above, so the necessity of Special grinding tooth digital control system is apparent.
Standard universal type digital control system advantage is that versatility is stronger, algorithm that can be different for dissimilar Machine Tool design, and do not need hardware to revise in a large number.But its advantage is to designer itself mostly, user is used without any effect.And because it adopts software algorithm, control that time delay is large, low-response (software is processed generally more than ps level, and hardware handles can reach ns level), cause its precision to improve.For gear grinding machines, precision is generally divided into 1-12 level, and grade point is less, and precision is higher.Use standard universal type digital control system can reach 5-6 level, and use tailored version digital control system of the present utility model can reach more than 3 grades, if when less demanding to grinding efficiency, its grinding accuracy can reach 2 grades or 1 grade.And integrated a plurality of functional modules are not whole work on hardware, cause the waste of resource greatly.
Also the realization of some control program is that roll flute and fit are realized respectively on two lathes, and roll flute processing is carried out in two or many cooperations, and this efficiency is low, has high input; Also have some schemes to adopt two cover systems to control a machine tool, a set of independent control wheel grinding, finishing after another set of control abrasion of grinding wheel, grinding data and trimming data are fixed or according to the rule of agreement, recycling handshake realizes the SECO of grinding and finishing.This scheme not only efficiency is low, lacks flexibility, and signal is shaken hands and the fault rate of communication is high.
Therefore, need to research and develop a kind of working (machining) efficiency fast, precision is high, and good stability and flexibility are high, simple to operate, and novel high finishing grinding tooth digital control system applied widely is for working as the required of generation.
Utility model content
For above-mentioned deficiency, the purpose of this utility model is, provides a kind of structural design ingenious, reasonable, and working (machining) efficiency is fast, and precision is high, and simple to operate, and flexibility is high, the novel high finishing grinding tooth digital control system of good stability.
For achieving the above object, technical scheme provided by the utility model is: a kind of novel high finishing grinding tooth digital control system, it comprises Split type machine box, AC AC power supply module, DC direct-current switch power supply module, main control numerical control unit and power drive unit, described Split type machine box comprises a plurality of independent case body that are arranged side by side, described AC AC power supply module, DC direct-current switch power supply module, main control numerical control unit and power drive unit correspondence are arranged in independent case body corresponding thereto, and interconnect.
As a kind of improvement of the present utility model, described main control numerical control unit and power drive unit comprise interconnective signal receiving processing module, task processing module, interpolation module, electronic gear proportion module, position control module and power drive amplification module.
As a kind of improvement of the present utility model, it also comprises signal input output interface module and digitized positions control panel, described power drive unit, AC AC power supply module, DC direct-current switch power supply module, main control numerical control unit, signal input output interface module and digitized positions control panel are successively set in corresponding independent case body according to order from left to right, and interconnect.
As a kind of improvement of the present utility model, on the sidewall of described independent case body, level is provided with many ventilation slots.
The beneficial effects of the utility model are: the utility model design is ingenious, reasonable, adopt Split module structural design, and according to the different reasonable layout position relationships of function, strong and weak electricity and power consumption, good operating stability, and be easy to control operation and line service, effectively increase work efficiency and machining accuracy; And possess roll flute and fit function, and can to tooth and emery wheel, carry out dynamic balancing monitoring in real time, realize and make in time finishing and compensation, with high efficiency, high accuracy, complete grinding action, effectively guarantee product quality, be beneficial to wide popularization and application.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is schematic block diagram of the present utility model.
Fig. 2 is main control numerical control unit in the utility model and the schematic block diagram of power drive unit.
Fig. 3 is the structural representation of the Split type machine box in the utility model.
Fig. 4 is the structural representation of the digitized positions control panel in the utility model.
Fig. 5 is AC AC power supply module in the utility model and the schematic block diagram of DC direct-current switch power supply module.
Principle schematic when Fig. 6 is practical application of the present utility model.
The specific embodiment
Referring to Fig. 1 to Fig. 6, a kind of novel high finishing grinding tooth digital control system that the present embodiment provides, it comprises Split type machine box 1, AC AC power supply module, DC direct-current switch power supply module, main control numerical control unit and power drive unit, in the present embodiment, novel high finishing grinding tooth digital control system of the present utility model also comprises signal input output interface module and digitized positions control panel 2.
Described Split type machine box 1 comprises a plurality of independent case body that are arranged side by side, and is specially independent case body 11, independent case body 12, independent case body 13, independent case body 14, independent case body 15 and independent case body 16.
Different according to function, strong and weak electricity and power consumption, described power drive unit, AC AC power supply module, DC direct-current switch power supply module, main control numerical control unit, signal input output interface module and digitized positions control panel 2 are successively set in corresponding independent case body according to order from left to right, and interconnect.Being about to power drive unit is arranged in independent case body 11, AC AC power supply module is arranged in independent case body 12, DC direct-current switch power supply module is arranged in independent case body 13, main control numerical control unit is arranged in independent case body 14, signal input output interface module is arranged in independent case body 15, digitized positions control panel 2 is arranged in independent case body 16.Each functional module adopts Split module structural design, good operating stability, and be easy to control operation and line service, effectively increase work efficiency.
Novel high finishing grinding tooth digital control system is carried out Real Time Drive to lathe, the feedback of lathe is carried out to Real-Time Monitoring simultaneously, with this, controlled quentity controlled variable is adjusted, thereby between the system of realization and lathe, is formed a set of closed loop following control system.On the sidewall of described independent case body, level is provided with many ventilation slots.
Referring to Fig. 2, described main control numerical control unit and power drive unit comprise interconnective signal receiving processing module, task processing module, interpolation module, electronic gear proportion module, position control module and power drive amplification module.The integrated hardware using plug-in structure of each module is placed on mainboard.
Described signal receiving processing module is used for receiving lathe feedback signal and the processing of Machine-Tool Control signal obtains the required motor encoder signal of system rear class module, linear encoder signal (being generally grating scale) and switch input signal.
Described task processing module has the mode of operation of automated manner, manual mode, handwheel mode and programming mode, and this task processing module comprises carries out grinding unit, crushing operating unit and the real-time monitoring unit of grinding wheel dynamic balance.According to the functional characteristics of roll flute system, selectively actuatable mode is as automated manner, manual mode, handwheel mode and programming mode etc.Meanwhile, according to grinding function, requiring to carry out respectively grinding, crushing operation and grinding wheel dynamic balance monitors in real time.Grinding multiple tool minute cutter amount, crushing amount, grinding wheel diameter and emery wheel profile etc. are calculated automatically, and what gear hobbing was processed realizes functions such as teeth automatically.Meanwhile, this task processing module is responsible for the safety of lathe to carry out real-time monitor task, and receive the report for police service signal energy and alarm are shut down, and effectively protect the safety of operating personnel and lathe.
Described interpolation module is according to linear encoder signal and the switch input signal of the output of signal receiving processing module, and the computing of the interpolation information (comprising the amount of feeding and feed speed etc.) by error-detecting, diamond pen dressing track and grinding track, this interpolation module computing draws regulating error amount and interpolation output pulse, and outgoing position pulse signal, deposit regulating error amount and interpolation output pulse data in shared data bank simultaneously, with the positional information of real-time update grinding interpolation, realize the accurate control to every cutter stock removal.Compare with traditional common digital control system, no longer need complicated artificial programming compensation to go to realize, the complexity problem asynchronous with data of having avoided better using occurs.
Described electronic gear proportion module receives the motor encoder signal of task processing module output according to signal and the position pulse signal of interpolation module output is processed by frequency multiplication frequency division, output emery wheel feeding signal, workpiece axial feed signal and workpiece rotating signal.
Described position control module is according to the emery wheel feeding signal receiving, workpiece rotating signal and the main control quantity that output is processed in interpolation output pulse is carried out to position coordinates compensation and repair.Meanwhile, because roll flute and fit adopt shared roll flute data and the pattern of trimming data, digital control compensation more in time, more thorough.
Described power drive amplification module, according to the regulating error amount and the main control quantity that receive, amplifies by system master amount processed is carried out to suitable gain, and output is in order to drive the signal of lathe.
Described machine feedback signal comprises emery wheel X-axis motor encoder signal, workpiece C spindle motor code device signal, Z shaft encoder signals and B shaft encoder signals; Under particular case, closed-loop Control Shaft can be converted to half-closed loop control axle; such as running into position probing feedback element, damage as grating scale; now by revising parameter, closed-loop Control Shaft can be converted to half-closed loop control axle; remove grating scale; use motor encoder as position probing feedback element; can this lathe of Interim use, greatly shorten downtime.
In running, novel high finishing grinding tooth digital control system of the present utility model detects grinding wheel dynamic balance signal, workpiece signal and other lathe signal in real time, and according to the algorithm of design, making take grinding wheel dynamic balance signal, workpiece signal is core formation main pulse and feedback pulse; Other lathe signal formation real-time interpolation pulses.Main pulse, feedback pulse and interpolation pulse enter after frequency locking phase locking unit, first interpolation impulsive synchronization is added to main pulse or feedback pulse, between the two-way pulse forming, carry out the comparison of phase place and frequency, finally obtaining difference is exactly the difference equivalent of the given action of lathe and actual act.This equivalent ingoing power drive amplification module is carried out to power amplification, just obtain the driving amount of next step action of lathe.
Described motor encoder signal comprises emery wheel feeding pulse signal, workpiece rotating signal and axial feed pulse signal, and eight channel axis control signals possess interchangeability, when a certain motor encoder signal interface breaks down, this axle of maskable, shining upon a certain is not this axle with passage, and changing binding post can use.
Referring to Fig. 5, power supply processing unit in novel high finishing grinding tooth digital control system of the present utility model comprises AC AC power supply module and DC direct-current switch power supply module, only need outside that 380V three phase mains is provided, after AC AC power supply module and DC direct-current switch power supply resume module, for novel high other unit module of finishing grinding tooth digital control system of the present utility model provides different working powers, these comprise the normal power demands such as 24V, 12V, 5V and common port.
Referring to Fig. 6, working control principle schematic for novel high finishing grinding tooth digital control system of the present utility model, figure medium plain emery wheel motor rotary encoder, 1,000,000 line code dishes (workpiece motor encoder), X axle linear encoder, Z axle linear encoder and automatically tooth probe signals etc. is the real-time monitoring device of machine feedback, by these feedback devices, control system has obtained the real time execution information of lathe.
Novel high finishing grinding tooth digital control system of the present utility model obtains the Real-time Feedback of the real-time setting of grinding wheel drive mitor, workpiece motor the strict mathematical relationship of given pulse and feedback pulse after certain algorithm process, this two-way pulse is obtained after the phase-locked processing of frequency locking to feedback is carried out main regulation with the frequency-splitting between given after DA conversion, phase difference value is finely tuned after DA changes.Other as the encoder feedback signals such as Z axis, X-axis are all interpolation fine adjustment amounts.Machine-Tool Control signal is issued main control numerical control unit by host computer, and main control numerical control unit is taked corresponding actions with this.When main control numerical control unit monitors grinding wheel dynamic balance abnormal signal, can intelligent decision call crushing module and repair in time and compensate, with high efficiency, high accuracy, complete grinding action.
The utility model adopts Control of AC Servo Drives to control workpiece rotating shaft, simultaneously, because the utility model system itself adopts extensive hardware integration circuit, and apply frequency locking Phase Lock Technique, make roll flute function under the utility model system is controlled reach the lathe of the same type grinding accuracy that is beyond one's reach.Mean accuracy, than product Senior Two to three grade of the same type, can be realized roll flute, fit integrated function with the grinding machine bed of the utility model system support, possesses automatically tooth and grinding wheel dynamic balance real time monitoring function, can realize efficient, high-precision grinding processing.Specifically there is following advantage.
1, novel high finishing grinding tooth digital control system distinguishing feature of the present utility model is computerization, and the modularization of driving is controlled and the digitlization that drives interface.Its hardware overall structure is more simple, compact, modularization; Software content is abundanter, with better function.
2, novel high finishing grinding tooth digital control system of the present utility model is obviously better than domestic product of the same type to the control efficiency of gear grinding machines, and the lathe of the supporting control of this novel high finishing grinding tooth digital control system, the processing precision of products of gear grinding machines is than the high 2-3 level of product of the same type.(gear grinding machines precision is generally divided into 1-12 level, and grade point is less, and precision is higher.Use standard universal type digital control system can reach 6 grades, and use novel high finishing grinding tooth digital control system of the present utility model can reach more than 4 grades).
3, novel high finishing grinding tooth digital control system of the present utility model is pointed for gear grinding machines, specificity is strong, domestic other products all adopt standard universal system at present, from the utilization rate to systemic-function, the utilization rate of other like products is very low, has virtually caused the waste in technology, resource.Novel high finishing grinding tooth digital control system of the present utility model is for these a kind of type specialized designs research and development of gear grinding machines, and resource utilization is high, is simple and easy to use, and cost performance is high, is especially applicable to domestic user.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned embodiment.Therefore, the utility model is not limited to the specific embodiment disclosed and described above, to modifications and changes more of the present utility model, also should fall in the protection domain of claim of the present utility model.In addition, although used some specific terms in this description, these terms just for convenience of description, do not form any restriction to the utility model, adopt the system of other structure same or analogous with it, all in the utility model protection domain.
Claims (4)
1. a novel high finishing grinding tooth digital control system, it is characterized in that, it comprises Split type machine box, AC AC power supply module, DC direct-current switch power supply module, main control numerical control unit and power drive unit, described Split type machine box comprises a plurality of independent case body that are arranged side by side, described AC AC power supply module, DC direct-current switch power supply module, main control numerical control unit and power drive unit correspondence are arranged in independent case body corresponding thereto, and interconnect.
2. novel high finishing grinding tooth digital control system according to claim 1, it is characterized in that, described main control numerical control unit and power drive unit comprise interconnective signal receiving processing module, task processing module, interpolation module, electronic gear proportion module, position control module and power drive amplification module.
3. novel high finishing grinding tooth digital control system according to claim 1, it is characterized in that, it also comprises signal input output interface module and digitized positions control panel, described power drive unit, AC AC power supply module, DC direct-current switch power supply module, main control numerical control unit, signal input output interface module and digitized positions control panel are successively set in corresponding independent case body according to order from left to right, and interconnect.
4. novel high finishing grinding tooth digital control system according to claim 1, is characterized in that, on the sidewall of described independent case body, level is provided with many ventilation slots.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320432189.2U CN203438006U (en) | 2013-07-20 | 2013-07-20 | Novel high-precision fine grinding tooth numerical control system |
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| CN201320432189.2U CN203438006U (en) | 2013-07-20 | 2013-07-20 | Novel high-precision fine grinding tooth numerical control system |
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| CN203438006U true CN203438006U (en) | 2014-02-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419077A (en) * | 2013-07-20 | 2013-12-04 | 佛山市迈雷特数控技术有限公司 | Novel high-precision gear grinding numerical control system |
| CN104898552A (en) * | 2015-03-30 | 2015-09-09 | 成都颉隆科技有限公司 | Closed-Loop machine tool control system based on precise positioning |
-
2013
- 2013-07-20 CN CN201320432189.2U patent/CN203438006U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103419077A (en) * | 2013-07-20 | 2013-12-04 | 佛山市迈雷特数控技术有限公司 | Novel high-precision gear grinding numerical control system |
| CN103419077B (en) * | 2013-07-20 | 2016-05-11 | 佛山市迈雷特数控技术有限公司 | Novel high finishing grinding tooth digital control system |
| CN104898552A (en) * | 2015-03-30 | 2015-09-09 | 成都颉隆科技有限公司 | Closed-Loop machine tool control system based on precise positioning |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 528000 Guangdong, Zhongshan Torch Development Zone, rich road, No. 5 Patentee after: ZHONGSHAN MLTOR CNC TECHNOLOGY Co.,Ltd. Address before: No. 3 plant in the town of Nanhai District, Foshan city in Guangdong province 528000 Tang Bian Industrial Zone Foshan city Aishiku Foam Plastic Industrial Co. Ltd. Patentee before: FOSHAN MLT CNC TECHNOLOGY CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| CP02 | Change in the address of a patent holder |
Address after: 528400 101, no.43-1, Keji West Road, Torch Development Zone, Zhongshan City, Guangdong Province (application for residence) Patentee after: ZHONGSHAN MLTOR CNC TECHNOLOGY Co.,Ltd. Address before: 528000 Guangdong, Zhongshan Torch Development Zone, rich road, No. 5 Patentee before: ZHONGSHAN MLTOR CNC TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |