CN102736556A - Non-circular machining control device and control method - Google Patents
Non-circular machining control device and control method Download PDFInfo
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- CN102736556A CN102736556A CN2012102251683A CN201210225168A CN102736556A CN 102736556 A CN102736556 A CN 102736556A CN 2012102251683 A CN2012102251683 A CN 2012102251683A CN 201210225168 A CN201210225168 A CN 201210225168A CN 102736556 A CN102736556 A CN 102736556A
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Abstract
The invention relates to a non-circular machining control device and a control method. The machining control device comprises a control device, a rotary shaft, a main and assistant compound machining shaft, a cutting blade, a moving shaft and a motor. The control device is used for calculating the shape of a machined piece and converting to interpolation arithmetic to control motion of the rotary shaft, the main and assistant compound machining shaft and the moving shaft. The rotary shaft is driven by the motor for driving the workpiece to rotate. The main and assistant compound machining shaft is compounded by a main shaft and an assistant shaft, wherein the assistant shaft is installed on the main shaft, the main and assistant shafts are driven by the motor, the main shaft is used for large stroke motion and the assistant shaft is used for small stroke high frequency machining. The moving shaft is driven by the motor for driving the main and assistant compound machining shaft to move in an axial direction of the machined piece. The cutting blade is fixedly and mechanically installed on a cutting end of the assistant shaft of the main and assistant compound machining shaft. The non-circular machining control device and the control method provided by the invention have the advantages of accurate calculation of shape of the machined piece, fast machining speed, high precision and easy machining of the machined pieces in complex shapes.
Description
Technical field
The present invention relates to a kind of cut control device and control method, relate in particular to a kind of non-round workpiece cut control device and control method that adopts the Compound Machining axle.
Background technology
Come the synchro control cutter in the radially displacement on (laterally) of workpiece according to the rotation period of main shaft, then can process the workpiece of noncircular sectional shape, this job operation is called Non-circular Section Turning.The method of processing on-circular cross-section profile mainly contains at present: copying, the special process and numerical control turning.Form copying utilizes the relative movement orbit of pattern control cutter and workpiece, forms required surface configuration, and this method range of work is wide, but the workpiece of processed complex cross sectional shape, but efficient is low, adjust complicacy and machining precision relatively poor; The special process can be used for the finishing of non-round accessory, but processing cost is high, and efficient is low, and then is difficult to processing for all very complicated workpiece of the shape of xsect and shaft section; The process principle of numerical control turning is: in the process of on-circular cross-section workpiece; Cutter is gone up at directions X (laterally) and is followed the tracks of the main axis rotation angle; The adjustment tool position is realized the to-and-fro movement of cutter in X-direction, thereby is processed required non-round line in real time; But the response frequency of digital control system X axle can not satisfy the reciprocating requirement of high speed at present, and the turning machining precision is not ideal enough.
Summary of the invention
For overcoming the above problems, the present invention proposes a kind of non-circular cutting Working control device, and said Working control device comprises: control device, turning axle, major-minor Compound Machining axle, bite, shifting axle, motor;
Said control device is used for calculating processing part shape and converts interpolation algorithm into turning axle, major-minor Compound Machining axle and shifting axle motion are controlled;
Said turning axle is used to drive the workpiece rotation by motor-driven;
Said major-minor Compound Machining axle is that main shaft and countershaft are composited, and countershaft is installed on the main shaft, and said main shaft and countershaft are by motor-driven, and main shaft is used to do big stroke motion, and countershaft is used to do little stroke high frequency cut.
Said shifting axle is used to drive major-minor Compound Machining axle and is moved at the workpiece axial direction by motor-driven;
Said bite mechanical fixation is installed on the major-minor Compound Machining axle countershaft cutting end.
Further said motor is servomotor or stepper motor;
Further said major-minor composite shaft main shaft and countershaft motor are linear electric motors;
Further said control device comprises:
Information input unit is used for the input of control information;
The data computation unit is used for the information input unit input information is carried out being converted into interpolation operation and exporting to information output unit after the computing;
Information output unit is used for the process information of data computation unit is exported to turning axle, major-minor Compound Machining axle and shifting axle;
The present invention also proposes a kind of non-circular cutting processing control method, and said processing control method comprises the steps:
1, non-round workpiece shape is calculated, and converted into the control system interpolation algorithm;
2, turning axle drives the workpiece rotation;
3, control system control cutting axle carries out cut; Wherein said cutting axle is a major-minor Compound Machining axle, and motion of main shaft extremely stops apart from the workpiece setting position, and main shaft stops back countershaft drive bite and begins to do high frequency advance and retreat cutting moving interpolation;
4, control system moves processing according to workpiece shape control cutting axle in workpiece axial rotary direction, and cutting forms workpiece.
In the further said step 1 non-round workpiece shape is calculated as through polar coordinate mode the workpiece shape is calculated;
The axle of major-minor Compound Machining described in the further step 3 is that main shaft is mainly done big stroke fast moving, and countershaft is mainly done little stroke high frequency cutting;
Desired location can be provided with described in the further step 3;
The workpiece shape can be different shape described in the further step 1;
Beneficial effect
The present invention possesses for the workpiece shapometer and calculates accurately really, and process velocity is fast, and efficient is high, and precision is high and be easy to the complicated shape workpiece is carried out the advantage of cut.
Description of drawings:
Fig. 1 is a non-circular cutting Working control device synoptic diagram;
Fig. 2 is a non-circular cutting Working control device theory diagram;
Fig. 3 is a non-circular cutting processing control method schematic flow sheet;
Embodiment
Embodiment one:
Like Fig. 1, Fig. 2, a kind of non-round Working control device comprises: control device, turning axle 1, major-minor Compound Machining axle 10, bite 3, shifting axle 8, motor;
Said control device is controlled turning axle 1, major-minor Compound Machining axle 10 and shifting axle 8 motions after interpolation algorithm is calculated and converted into to the shape of workpiece 2;
Said turning axle 1 is used to drive non-round workpiece 2 rotations by motor-driven; Said major-minor Compound Machining axle 10 is by 4 compound compositions of main shaft 6, countershaft, and countershaft 4 is installed on the main shaft 6, and can on main shaft 6, move; Said main shaft 6 is driven by linear electric motors 7, and said countershaft 4 is driven by linear electric motors 5, and said bite 3 mechanical fixation are installed in an end of countershaft 4; Wherein said linear electric motors 7 can be replaced with servomotor with linear electric motors 5.
Said shifting axle 8 is used to drive major-minor Compound Machining axle 10 and on the direction of workpiece axial 9, is moved by motor-driven;
Non-round Working control device motion process is: import non-round workpiece 2 shape informations through non-round input block in the control device; The data computation unit calculates through polar coordinate mode non-round workpiece 2 shapes; And result of calculation converted into interpolation operation and export to information output unit; Information output unit is exported to turning axle 1 with the process information of data computation unit; Major-minor Compound Machining axle 10 and shifting axle 8, turning axle 1 drives non-round workpiece 2 according to command information and is rotated, and major-minor Compound Machining axle 10 carries out cut according to command information; Wherein main shaft 6 drives countershaft 4 rapid movements extremely apart from workpiece setpoint distance place, and countershaft 4 begins to drive bite 3 according to instruction and does quick cut; According to the non-round workpiece shape that calculates, shifting axle 8 drives major-minor Compound Machining axle 10 and moves the processing of completion workpiece in axial 9 directions of non-round workpiece.
Embodiment two:
Like Fig. 3, a kind of non-circular cutting processing control method, said processing control method comprises the steps:
Step 1 is calculated non-round workpiece 2 shapes through polar coordinate mode, and is converted the control system interpolation algorithm into; Wherein workpiece can be different shape;
Step 3, control system control cutting axle carries out cut; Said cutting axle is a major-minor Compound Machining axle 10, and main shaft 6 moves to apart from the workpiece setting position and stops, and main shaft 6 stops back countershaft 4 drive bites 3 and begins to do high frequency advance and retreat cutting moving interpolation; Wherein, said main shaft 6 is mainly done big stroke fast moving, and countershaft 4 is mainly done little stroke high frequency cutting;
Step 4, control system moves processing according to workpiece shape control cutting axle on workpiece axial rotary 9 directions, and cutting forms workpiece.
Although reference implementation example and accompanying drawing; A kind of non-circular cutting Working control device of the present invention and control method are illustrated; But above-mentioned disclosed content only is in order better to understand the present invention; Rather than limit the scope of claim by any way, so all according to the described structure of patent claim of the present invention, characteristic and principle do etc. change or modify, include in protection scope of the present invention.
Claims (9)
1. non-circular cutting Working control device, it is characterized in that: said Working control device comprises: control device, turning axle, major-minor Compound Machining axle, bite, shifting axle, motor;
Said control device is used for calculating processing part shape and converts interpolation algorithm into turning axle, major-minor Compound Machining axle and shifting axle motion are controlled;
Said turning axle is used to drive the workpiece rotation by motor-driven;
Said major-minor Compound Machining axle is that main shaft and countershaft are composited, and countershaft is installed on the main shaft, and said main shaft and countershaft are by motor-driven, and main shaft is used to do big stroke motion, and countershaft is used to do little stroke high frequency cut;
Said shifting axle is used to drive major-minor Compound Machining axle and is moved at the workpiece axial direction by motor-driven;
Said bite mechanical fixation is installed on the major-minor Compound Machining axle countershaft cutting end.
2. non-circular cutting Working control device according to claim 1, it is characterized in that: said motor is servomotor or stepper motor.
3. non-circular cutting Working control device according to claim 1, it is characterized in that: said major-minor Compound Machining axle main shaft and countershaft drive motor are linear electric motors.
4. like claim 1 or 2 or 3 said non-circular cutting Working control devices, it is characterized in that: said control device comprises:
Information input unit is used for the input of control information;
The data computation unit is used for the information input unit input information is carried out being converted into interpolation operation and exporting to information output unit after the computing;
Information output unit is used for the process information of data computation unit is exported to turning axle, major-minor Compound Machining axle and shifting axle.
5. non-circular cutting processing control method, it is characterized in that: said processing control method comprises the steps:
Step 1, non-round workpiece shape is calculated, and converted into the control system interpolation algorithm;
Step 2, turning axle drive the workpiece rotation;
Step 3, control system control cutting axle carry out cut; Wherein said cutting axle is a major-minor Compound Machining axle, and motion of main shaft extremely stops apart from the workpiece setting position, and main shaft stops back countershaft drive bite and begins to do high frequency advance and retreat cutting moving interpolation;
Step 4, control system move processing according to workpiece shape control cutting axle in workpiece axial rotary direction, and cutting forms workpiece.
6. like the said non-circular cutting processing control method of claim 5, it is characterized in that: in the said step 1 non-round workpiece shape is calculated as through polar coordinate mode the workpiece shape is calculated.
7. like claim 5 or 6 said non-circular cutting processing control methods, it is characterized in that: the Compound Machining of major-minor described in the step 3 axle is that main shaft is mainly done big stroke fast moving, and countershaft is mainly done little stroke high frequency cutting.
8. like the said non-circular cutting processing control method of claim 7, it is characterized in that: desired location described in the step 3 can be provided with.
9. like the said non-circular cutting processing control method of claim 7, it is characterized in that: workpiece is shaped as different shape described in the step 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102251683A CN102736556A (en) | 2012-06-13 | 2012-06-13 | Non-circular machining control device and control method |
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| CN2012102251683A CN102736556A (en) | 2012-06-13 | 2012-06-13 | Non-circular machining control device and control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268999A (en) * | 2015-11-25 | 2016-01-27 | 卢文涛 | Machining method for turning non-circular deformed section through digital controlled lathe in follow-up mode |
| CN113110287A (en) * | 2021-04-22 | 2021-07-13 | 广东机电职业技术学院 | Back plate combining non-circular turning control system and control method thereof |
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| CN1040162A (en) * | 1988-08-09 | 1990-03-07 | 泉工业株式会社 | The topping machanism of processing non circular cross section |
| JP2003094202A (en) * | 2001-09-21 | 2003-04-03 | Takamatsu Machinery Co Ltd | Non-circular machining machine |
| EP2087956A1 (en) * | 2008-02-08 | 2009-08-12 | SMS Meer GmbH | Method and processing machine for tensioned processing of complex contours of asymmetric workpieces |
| CN102189272A (en) * | 2011-04-21 | 2011-09-21 | 宁波大学 | High-frequency-response non-circular cutting device and control method thereof |
| CN202939458U (en) * | 2012-06-13 | 2013-05-15 | 深圳众为兴技术股份有限公司 | Non-circular machining control device |
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2012
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Patent Citations (5)
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| CN1040162A (en) * | 1988-08-09 | 1990-03-07 | 泉工业株式会社 | The topping machanism of processing non circular cross section |
| JP2003094202A (en) * | 2001-09-21 | 2003-04-03 | Takamatsu Machinery Co Ltd | Non-circular machining machine |
| EP2087956A1 (en) * | 2008-02-08 | 2009-08-12 | SMS Meer GmbH | Method and processing machine for tensioned processing of complex contours of asymmetric workpieces |
| CN102189272A (en) * | 2011-04-21 | 2011-09-21 | 宁波大学 | High-frequency-response non-circular cutting device and control method thereof |
| CN202939458U (en) * | 2012-06-13 | 2013-05-15 | 深圳众为兴技术股份有限公司 | Non-circular machining control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268999A (en) * | 2015-11-25 | 2016-01-27 | 卢文涛 | Machining method for turning non-circular deformed section through digital controlled lathe in follow-up mode |
| CN113110287A (en) * | 2021-04-22 | 2021-07-13 | 广东机电职业技术学院 | Back plate combining non-circular turning control system and control method thereof |
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Application publication date: 20121017 |