CN102909605A - CNC lathe controller capable of automatically setting thread retracting distance and angle - Google Patents
CNC lathe controller capable of automatically setting thread retracting distance and angle Download PDFInfo
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- CN102909605A CN102909605A CN2012103788648A CN201210378864A CN102909605A CN 102909605 A CN102909605 A CN 102909605A CN 2012103788648 A CN2012103788648 A CN 2012103788648A CN 201210378864 A CN201210378864 A CN 201210378864A CN 102909605 A CN102909605 A CN 102909605A
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Abstract
The invention relates to a CNC (Computer Numerical Control) lathe controller capable of automatically setting a thread retracting distance and an angle, which at least comprises a thread circulation simulation kernel module and a retracting treatment kernel module, wherein the thread circulation simulation kernel module conducts dynamic simulation through a thread circulation machining path generation unit and a thread dynamic behaviour simulation unit before doing an actual turning action, so as to master a dynamic behaviour during actual workpiece turning; and the retracting treatment kernel module transmits motion information recorded by the thread circulation simulation kernel module to an effective thread optimization unit, a retracting computation unit and a thread retracting path adjustment unit, so as to plan an appropriate thread circulation retracting action. A user is not required to designate the thread retracting distance and the angle during thread circulation, and the controller can automatically optimize the effective thread length while avoiding retracting vibration.
Description
Technical field
The present invention relates to a kind of tool and automatically specify the CNC machine tool controller of withdrawing distance and angle, belong to CNC lathe equipments technical field.
Background technology
Traditional vehicle tooth do action, as shown in Figure 1, the necessary manual operation of user after input withdrawing distance 11 and the withdrawing angle 12, just can be carried out actual car tooth cyclic process before execution.At this moment, produce if the withdrawing that the user sets, then may cause the phenomenon of withdrawing vibrations apart from deficiency, to lathe mechanism injury, reduce the board useful life.If avoid above-mentioned phenomenon to occur, the user should appropriateness increase the withdrawing distance that sets, if but excessively amplify this distance, can cause again the limit of effective tooth segment length.So the lathe user may through adjustment withdrawing distance repeatedly, just be avoided the board vibration problems and be satisfied simultaneously the acceptable car tooth of client workpiece quality and effective dental length standard.In other words, must take into account in car tooth crudy and the situation in board life-span, the lathe user will seriously cause production efficiency low for withdrawing distance and the fact that the withdrawing angle initialization is difficult for.Therefore, be to adapt to the high-speed automated demand of lathe industry, need exploitation one tool automatically to specify the CNC machine tool controller of withdrawing distance and angle, in order to improve lathe working (machining) efficiency and quality.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, provide a kind of tool automatically to specify the CNC machine tool controller of withdrawing distance and angle, so that the user is using car tooth circulatory function, need not specify in the situation of withdrawing distance and withdrawing angle, plan suitable tool backlash movement, reach the effective dental length of optimization, and produce mechanism vibrations when avoiding withdrawing.
Purpose of the present invention is achieved through the following technical solutions:
The CNC machine tool controller of tool automatic setting car tooth withdrawing distance and angle, characteristics are:
Described controller comprises a car tooth circulating analog nucleus module and withdrawing processing nucleus module at least, car tooth circulating analog nucleus module comprises car tooth cyclic process path generation unit and car agomphiasis attitude behavior simulation unit, not yet actual carrying out carries out dynamic simulation, the dynamic behaviour when controlling actual turner by car tooth cyclic process path generation unit and car agomphiasis attitude behavior simulation unit before the turning action; Wherein, car tooth cyclic process path generation unit is inputted car tooth circular process with the user and is interpreted as actual car tooth circulating path, car agomphiasis attitude behavior simulation unit is controlled at the case of motion of each time point in the cyclic process of car tooth according to speed, acceleration, the momentum of all time points in the cyclic process of the resulting car tooth of car tooth cyclic process path generation unit cyclic process path simulation car tooth by car agomphiasis attitude behavior simulation unit;
Withdrawing is processed nucleus module and is comprised effective tooth optimization unit, withdrawing computing unit and Che Ya withdrawing route adjust unit, be transferred in effective tooth optimization unit, withdrawing computing unit and the Che Ya withdrawing route adjust unit by the movable information that car tooth circulation simulated core core module is recorded, plan suitable car tooth circulation tool backlash movement; Wherein, effectively the tooth optimization unit produces the length of the effective tooth of optimization under the restrictive condition of mechanism vibrations when avoiding withdrawing; The withdrawing computing unit is calculated corresponding withdrawing distance and withdrawing angle according to the optimized length gauge of effective tooth; Car tooth withdrawing route adjust unit, according to the resulting withdrawing of withdrawing computing unit distance and withdrawing angle, the machining path when again revising the car tooth and circulating in withdrawing is with output car tooth circulating path.
Further, above-mentioned tool automatic setting car tooth withdrawing distance and the CNC machine tool controller of angle, described car tooth circulating analog nucleus module, one travel path of lathe tool when providing lathe tool that workpiece is carried out the cutting of car tooth, and emulation lathe tool and the relative motion situation of workpiece when the car tooth cuts; Car tooth cyclic process path generation unit, it provides travel path; Car agomphiasis attitude behavior simulation unit, the travel path that it is provided with car tooth circulating path generation unit, the upper limit of relative velocity, relative acceleration and relative acceleration between the lathe tool that the person of being combined with inputs and the workpiece, when simulating lathe tool and advancing with travel path, lathe tool and workpiece are in the relative motion information of each time point, and relative motion information comprises speed, acceleration and acceleration.
More one go on foot ground, above-mentioned tool automatic setting car tooth withdrawing distance and the CNC machine tool controller of angle, described withdrawing is processed nucleus module, and it determines lathe tool in a withdrawing starting point of travel path, and travel path is done the optimization processing; Effective tooth optimization unit, it simulates lathe tool and workpiece in the relative motion information of each time point according to the car tooth cutting depth of workpiece and car agomphiasis attitude simulation unit, calculates lathe tool in the withdrawing starting point of travel path; Car tooth withdrawing route adjust unit, the withdrawing starting point correction travel path that calculates according to effective tooth optimization unit.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progressive being mainly reflected in:
Controller of the present invention guarantees that the user is carrying out car tooth circulation time, can not need specify car tooth withdrawing distance and angle, and controller will be automatically in the situation of avoiding the withdrawing vibrations, the effective dental length of optimization.Car tooth circulating analog nucleus module, Main Function be not yet actual carry out turning action before, see through first car tooth cyclic process path generation unit, car agomphiasis attitude behavior simulation unit, carry out dynamic simulation, the dynamic behaviour when grasping actual turner.Withdrawing is processed nucleus module, sees through the movable information that records of car tooth circulation emulation core, passes in effective tooth optimization unit, withdrawing computing unit, the car tooth withdrawing route adjust unit, to plan suitable car tooth circulation tool backlash movement.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: car tooth do action schematic diagram in the background technology;
Fig. 2: the module diagram of CNC machine tool controller of the present invention;
The specific embodiment
The CNC machine tool controller of tool automatic setting car tooth withdrawing distance and angle, as shown in Figure 2, controller 2 comprises a car tooth circulating analog nucleus module 22 and withdrawing processing nucleus module 23 at least, car tooth circulating analog nucleus module 22 comprises car tooth cyclic process path generation unit 221 and car agomphiasis attitude behavior simulation unit 222, not yet actual carrying out carries out dynamic simulation, the dynamic behaviour when controlling actual turner by car tooth cyclic process path generation unit 221 and car agomphiasis attitude behavior simulation unit 222 before the turning action; Wherein, car tooth cyclic process path generation unit 221 is inputted car tooth circular process 21 with the user and is interpreted as actual car tooth circulating path, car agomphiasis attitude behavior simulation unit 222 sees through the user according to the lathe mechanism characteristics, for make mechanism kinematic smooth-going with avoid vibration to increase service life, the speed of inputting, acceleration, the restrictions such as momentum, according to car tooth cyclic process path generation unit 221 resulting car tooth cyclic process paths, by this in the cyclic process of emulation car tooth, the speed of all time points, acceleration, momentum is controlled at the case of motion of each time point in the cyclic process of car tooth by car agomphiasis attitude behavior simulation unit 222;
Withdrawing is processed nucleus module 23 and is comprised effective tooth optimization unit 231, withdrawing computing unit 232 and Che Ya withdrawing route adjust unit 233, be transferred in effective tooth optimization unit 231, withdrawing computing unit 232 and the Che Ya withdrawing route adjust unit 233 by the movable information that car tooth circulation simulated core core module 22 is recorded, plan suitable car tooth circulation tool backlash movement; Wherein, effectively tooth optimization unit 231 produces the length of the effective tooth of optimization under the restrictive condition of mechanism vibrations when avoiding withdrawing; Withdrawing computing unit 232 is calculated corresponding withdrawing distance and withdrawing angle according to the optimized length gauge of effective tooth; Car tooth withdrawing route adjust unit 233, according to the resulting withdrawing of withdrawing computing unit distance and withdrawing angle, the machining path when again revising the car tooth and circulating in withdrawing is with output car tooth circulating path 24.
Car tooth circulating analog nucleus module 22, one travel path of lathe tool when providing lathe tool that workpiece is carried out the cutting of car tooth, and emulation lathe tool and the relative motion situation of workpiece when the car tooth cuts; Car tooth cyclic process path generation unit 221, it provides travel path; Car agomphiasis attitude behavior simulation unit 222, the travel path that it is provided with car tooth circulating path generation unit, the upper limit of relative velocity, relative acceleration and relative acceleration between the lathe tool that the person of being combined with inputs and the workpiece, when simulating lathe tool and advancing with travel path, lathe tool and workpiece are in the relative motion information of each time point, and relative motion information comprises speed, acceleration and acceleration.
Withdrawing is processed nucleus module 23, and it determines lathe tool in a withdrawing starting point of travel path, and travel path is done optimization process; Effective tooth optimization unit 231, it simulates lathe tool and workpiece in the relative motion information of each time point according to the car tooth cutting depth of workpiece and car agomphiasis attitude simulation unit, calculates lathe tool in the withdrawing starting point of travel path; Car tooth withdrawing route adjust unit 233, the withdrawing starting point correction travel path that calculates according to effective tooth optimization unit.
In sum, controller of the present invention guarantees that the user is carrying out car tooth circulation time, can not need specify car tooth withdrawing distance and angle, and controller will be automatically in the situation of avoiding the withdrawing vibrations, the effective dental length of optimization.Car tooth circulating analog nucleus module, Main Function be not yet actual carry out turning action before, see through first car tooth cyclic process path generation unit, car agomphiasis attitude behavior simulation unit, carry out dynamic simulation, the dynamic behaviour when grasping actual turner.Withdrawing is processed nucleus module, sees through the movable information that records of car tooth circulation emulation core, passes in effective tooth optimization unit, withdrawing computing unit, the car tooth withdrawing route adjust unit, to plan suitable car tooth circulation tool backlash movement.
What need to understand is: the above only is preferred embodiment of the present invention; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. have a CNC machine tool controller of automatic setting car tooth withdrawing distance and angle, it is characterized in that:
Described controller comprises a car tooth circulating analog nucleus module (22) and withdrawing processing nucleus module (23) at least, car tooth circulating analog nucleus module (22) comprises car tooth cyclic process path generation unit (221) and car agomphiasis attitude behavior simulation unit (222), not yet actual carrying out carries out dynamic simulation, the dynamic behaviour when controlling actual turner by car tooth cyclic process path generation unit (221) and car agomphiasis attitude behavior simulation unit (222) before the turning action; Wherein, car tooth cyclic process path generation unit (221) is inputted car tooth circular process (21) with the user and is interpreted as actual car tooth circulating path, car agomphiasis attitude behavior simulation unit (222) is controlled at the case of motion of each time point in the cyclic process of car tooth according to speed, acceleration, the momentum of all time points in the cyclic process of the resulting car tooth of car tooth cyclic process path generation unit (221) cyclic process path simulation car tooth by car agomphiasis attitude behavior simulation unit (222);
Withdrawing is processed nucleus module (23) and is comprised effective tooth optimization unit (231), withdrawing computing unit (232) and car tooth withdrawing route adjust unit (233), be transferred in effective tooth optimization unit (231), withdrawing computing unit (232) and the car tooth withdrawing route adjust unit (233) by the movable information that car tooth circulation simulated core core module (22) is recorded, plan suitable car tooth circulation tool backlash movement; Wherein, effectively tooth optimization unit (231) produces the length of the effective tooth of optimization under the restrictive condition of mechanism vibrations when avoiding withdrawing; Withdrawing computing unit (232) is calculated corresponding withdrawing distance and withdrawing angle according to the optimized length gauge of effective tooth; Car tooth withdrawing route adjust unit (233), according to the resulting withdrawing of withdrawing computing unit distance and withdrawing angle, the machining path when again revising the car tooth and circulating in withdrawing is with output car tooth circulating path (24).
2. the CNC machine tool controller of tool automatic setting car tooth withdrawing according to claim 1 distance and angle, it is characterized in that: described car tooth circulating analog nucleus module (22), one travel path of lathe tool when providing lathe tool that workpiece is carried out the cutting of car tooth, and emulation lathe tool and the relative motion situation of workpiece when the car tooth cuts; Car tooth cyclic process path generation unit (221), it provides travel path; Car agomphiasis attitude behavior simulation unit (222), the travel path that it is provided with car tooth circulating path generation unit, the upper limit of relative velocity, relative acceleration and relative acceleration between the lathe tool that the person of being combined with inputs and the workpiece, when simulating lathe tool and advancing with travel path, lathe tool and workpiece are in the relative motion information of each time point, and relative motion information comprises speed, acceleration and acceleration.
3. the CNC machine tool controller of tool automatic setting car tooth withdrawing according to claim 1 distance and angle, it is characterized in that: described withdrawing is processed nucleus module (23), it determines lathe tool in a withdrawing starting point of travel path, and travel path is done optimization process; Effective tooth optimization unit (231), it simulates lathe tool and workpiece in the relative motion information of each time point according to the car tooth cutting depth of workpiece and car agomphiasis attitude simulation unit, calculates lathe tool in the withdrawing starting point of travel path; Car tooth withdrawing route adjust unit (233), the withdrawing starting point correction travel path that calculates according to effective tooth optimization unit.
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Cited By (3)
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| CN103394988A (en) * | 2013-07-08 | 2013-11-20 | 华中科技大学 | Method for planning cutter feeding path and cutter retreating path in multi-axis linkage abrasive belt grinding machining |
| CN110142880A (en) * | 2019-05-23 | 2019-08-20 | 泉州华数机器人有限公司 | A kind of real-time follow-up control method of rollback for cutting apparatus |
| CN112393708A (en) * | 2020-10-28 | 2021-02-23 | 华中科技大学 | In-situ measurement method for five-axis machining of blisk |
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| CN103394988A (en) * | 2013-07-08 | 2013-11-20 | 华中科技大学 | Method for planning cutter feeding path and cutter retreating path in multi-axis linkage abrasive belt grinding machining |
| CN103394988B (en) * | 2013-07-08 | 2015-07-22 | 华中科技大学 | Method for planning cutter feeding path and cutter retreating path in multi-axis linkage abrasive belt grinding machining |
| CN110142880A (en) * | 2019-05-23 | 2019-08-20 | 泉州华数机器人有限公司 | A kind of real-time follow-up control method of rollback for cutting apparatus |
| CN112393708A (en) * | 2020-10-28 | 2021-02-23 | 华中科技大学 | In-situ measurement method for five-axis machining of blisk |
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| CN102909605B (en) | 2014-10-29 |
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Address after: 215000 Chunhui Road, Suzhou Industrial Park, Jiangsu Province Patentee after: New Generation Science and Technology (Suzhou) Co., Ltd. Address before: 215021 Xinsu Industrial Park, No. 5 Xinghan Street, Suzhou City, Jiangsu Province Patentee before: Suzhou Xindai Numerical Control Equipment Co., Ltd. |