CN202922332U - Numerical control composite shaft non-circular cross section turning processing control system - Google Patents
Numerical control composite shaft non-circular cross section turning processing control system Download PDFInfo
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- CN202922332U CN202922332U CN 201220366378 CN201220366378U CN202922332U CN 202922332 U CN202922332 U CN 202922332U CN 201220366378 CN201220366378 CN 201220366378 CN 201220366378 U CN201220366378 U CN 201220366378U CN 202922332 U CN202922332 U CN 202922332U
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Abstract
The utility model relates to the technical field of cutting in particular to non-circular cross section turning processing control. The utility model is a numerical control composite shaft non-circular cross section turning processing control system. A servo driver (1) is connected with a servo motor (2) to drive a tool rest (8) to do primary motion in an X2 axis direction. A servo driver (3) is connected with a servo motor (4) to drive the tool rest (8) to do secondary motion in an X1 axis direction. A main shaft frequency changer (5) is connected with a main shaft motor (6) to drive a main shaft (7) to do rotational motion. A main shaft position encoder (9) is arranged on the main shaft to receive main shaft rotation pulse signals and send the pulse signals to the servo driver (1). The numerical control composite shaft non-circular cross section turning processing control system has the advantages that due to the fact that the servo driving device with an electronic cam function controls non-circular cross section turning processing, processing and the production efficiency of the non-circular cross section is greatly improved and contour accuracy of the non-circular cross section is greatly improved.
Description
Technical field
The utility model relates to the machine cut technical field, especially relevant with the control of Non-circular Section Turning processing.
Background technology
At present, engine lathe (comprising numerically controlled lathe) can only wait the turning processing of radius circle part usually, and some part requires on-circular cross-section, as the bore of stator of vane pump, IC engine camshaft etc.The conventional method of processing these non-circular sections parts is to adopt hard mould form turn technique, but there is inherent shortcoming in this technique, the one, make hard mould itself more difficult, precision is difficult for guaranteeing, be not suitable for single-piece or small serial production, the 2nd, because contact and pattern are that rigidity contacts, at higher rotation speed and the contact inertia due to its quality when excessive from height point to low spot, easily cause the moment between contact and pattern to break away from, and easily cause larger form error, can't reach high-precision requirement, and rotating speed can not improve, thereby affect production efficiency.
The utility model content
The purpose of this utility model will solve above-mentioned existing weak point exactly, and a kind of control system that realizes Non-circular Section Turning processing is provided, for this reason, the utility model by the following technical solutions:
The control system of the compound Non-circular Section Turning processing of a kind of numerical control, its implement device comprises servo-driver control servomotor, and servo-driver is controlled servomotor, and two motors are controlled respectively knife rest at X
2and X
1moving linearly on axle, spindle inverters is controlled spindle motor and is rotated.
As the further of such scheme improved and supplement, the utility model also comprises following additional technical feature:
Servo-driver inside in the compound Non-circular Section Turning control system for processing of described numerical control, with the electric cam function, can receive the pulse signal that the main spindle's encoder sends, and convert this pulse signal to angle value.
Servo-driver in the compound Non-circular Section Turning control system for processing of described numerical control, can, according to concrete part to be processed size, set up the cam table of a Spindle rotation angle degree and the knife rest displacement relation on the X2 direction of principal axis in inside.
Servo-driver in the compound Non-circular Section Turning control system for processing of described numerical control, can be according to the angle value of the current rotation of main shaft, and in automatic search inner cam table, corresponding knife rest is at X
2the displacement of correspondence on direction of principal axis, thus servomotor band movable knife rack controlled at X
2make the little displacement movement of high speed on direction of principal axis.
Knife rest in the compound Non-circular Section Turning control system for processing of described numerical control is controlled by servomotor and servomotor, at X simultaneously
1axle and X
2on the numerical control composite shaft direction that axle forms, do reciprocating linear motion, one of the formation that rotatablely moves that this rectilinear motion and main shaft drive part is synchronized with the movement, and realizes that the cutting of on-circular cross-section forms.
This System Implementation on-circular cross-section adds the upper and lower two-layer control that realizes two servo-drive of knife rest feed motion of employing in man-hour, is controlling upper strata high-speed servo motor band movable knife rack at X
2when realizing the principal feed motion of the little displacement Non-circular Section Turning of high speed on axle, also control lower floor's servomotor band movable knife rack at X
1realize on axle that the on-circular cross-section diameter changes the supplementary feeding motion of adjusting, both directions of motion and speed all decide according to Spindle rotation angle degree changing value and rate of change, whole control system all adopts the plug-type line on hardware, and easy-to-connect disturbs little, easy to maintenance, positioning precision is high, for different accessory sizes, only need just can realize by adjusting the servo-driver corresponding data, greatly improve processing efficiency, improved part processing precision.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model method implement device.
Fig. 2 is that in the utility model method, main shaft drives the angle of part rotation and the schematic diagram of knife rest position relationship on the X2 direction of principal axis.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail.
As shown in Figure 1, a kind of control system of numerical control composite shaft Non-circular Section Turning processing, this system implementation device comprises the servo-driver 1 of having electronic cam function, drives servomotor 2, and band movable knife rack 8 is at X
2moving linearly on direction of principal axis, servo-driver 3 drives servomotor 4, and band movable knife rack 8 moving linearly on the X1 direction of principal axis, spindle inverters 5 drives spindle motor 6, drive main shaft 7 and do the rotation rotation, the position coder 9 be arranged on main shaft 7 is connected with servo-driver 1, and servo-driver 1 receives the pulse signal sent from position coder 9, and by the angled value of this pulses switch.
(take oval cross section in figure as example) as shown in Figure 2, with on-circular cross-section and X
2the minimum place of axle intersecting point coordinate value makes a basic circle for radius, and the variation adjustment of this base circle diameter (BCD) can be by X
1axle moves to realize, once this base circle diameter (BCD) selected after, knife rest is first at X
1location on axle and Z axis, after having located, X
2axle servomotor 2 is followed the moving interpolation that main shaft is done the little displacement of high speed, distolateral from main shaft, when main shaft drive non-circular sections part rotates clockwise, and cross section curve and X
2the axle position of intersecting point is X
20→ X
21→ X
22→ ... changing, by original position, is also curve and X
2the axle intersection point is X
20place is made as knife rest X
2at the zero point of axle, part is made as main shaft angle while going to this position be 0 degree, X
21, X
22locating corresponding angle respectively is a1 and a2, drives part to main shaft and just turns over 90 while spending, with X
2the axle position of intersecting point is X
2n, whole on-circular cross-section can be regarded knife rest as at X in the movement locus formation of X-direction
2on axle position with at X
1on axle, position displacement changes, its displacement=on-circular cross-section each point radius-base radius, corresponding relation according to this displacement and current Spindle rotation angle degree, a cam table is set up in servo-driver 1 inside in the having electronic cam function, as Fig. 1, it is 360 degree that main shaft rotates a circle, the position coder be arranged on main shaft sends N pulse, position coder often sends 1 pulse, it is the 360/N degree that corresponding main shaft turns over angle, the umber of pulse that servo-driver 1 sends the main spindle's encoder is converted into angle value, apply its electric cam function, in the cam table established in inside, the corresponding knife rest of this angle of automatic search is at X
2displacement on axle, thus control servomotor 2 and be with movable knife rack at X
2direction of principal axis is made the little displacement rectilinear motion of high speed up and down, the increase of angle value or reduced to determine the direction of motion of knife rest, and the pace of change of angle value has determined the movement velocity of knife rest, finally realizes the stock removal action of on-circular cross-section curve.
Claims (5)
1. the control system of numerical control composite shaft Non-circular Section Turning processing, the implement device of this system comprises that servo-driver (1) is connected with servomotor (2), is with movable knife rack (8) at X
2main motion on direction of principal axis, servo-driver (3) is connected with servomotor (4), and band movable knife rack (8) is at X
1on direction of principal axis from the motion, spindle inverters (5) is connected drive main shaft (7) and rotates with spindle motor (6), main spindle's encoder (9) is contained on main shaft and receives the main shaft rotational pulse signal, and this pulse signal is sent to servo-driver (1).
2. the control system that a kind of numerical control composite shaft Non-circular Section Turning according to claim 1 is processed, it is characterized in that: servo-driver (1) is with the electric cam function, receive the pulse signal that main spindle's encoder (9) sends, and automatically convert this umber of pulse to angle value.
3. the control system of a kind of numerical control composite shaft Non-circular Section Turning processing according to claim 1, is characterized in that: according to concrete part to be processed size, set up Spindle rotation angle degree and knife rest (8) in servo-driver (1) inside at X
2a cam table of axle top offset magnitude relation.
4. the control system that a kind of numerical control composite shaft Non-circular Section Turning according to claim 1 is processed, it is characterized in that: the pulse information that driver (1) sends according to main spindle's encoder (9), in automatic search cam table, corresponding knife rest (8) is at X
2the displacement of correspondence on axle, control servomotor (2) band movable knife rack (8) at X
2make the little displacement movement of high speed on axle, the pulse information that its traffic direction and speed are sent by position coder (9) is controlled.
5. the control system that a kind of numerical control composite shaft Non-circular Section Turning according to claim 1 is processed, it is characterized in that: knife rest (8) is by X
1axle and X
2the numerical control composite shaft that axle forms is controlled simultaneously, with rotatablely moving of main shaft (9), realizes the relation that is synchronized with the movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366378 CN202922332U (en) | 2012-07-24 | 2012-07-24 | Numerical control composite shaft non-circular cross section turning processing control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366378 CN202922332U (en) | 2012-07-24 | 2012-07-24 | Numerical control composite shaft non-circular cross section turning processing control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202922332U true CN202922332U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220366378 Expired - Fee Related CN202922332U (en) | 2012-07-24 | 2012-07-24 | Numerical control composite shaft non-circular cross section turning processing control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692471A (en) * | 2013-12-30 | 2014-04-02 | 广东联塑机器制造有限公司 | Scrap-free planetary cutting machine for PE (polyethylene) tubes |
| CN109343476A (en) * | 2018-10-08 | 2019-02-15 | 广州数控设备有限公司 | A kind of position gain combined debugging device and method based on rigid tapping |
| CN109669395A (en) * | 2018-12-04 | 2019-04-23 | 天津津航技术物理研究所 | A kind of change radius arc interpolating method of axisymmetric aspheric surface |
| 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 |
-
2012
- 2012-07-24 CN CN 201220366378 patent/CN202922332U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692471A (en) * | 2013-12-30 | 2014-04-02 | 广东联塑机器制造有限公司 | Scrap-free planetary cutting machine for PE (polyethylene) tubes |
| CN103692471B (en) * | 2013-12-30 | 2015-10-14 | 广东联塑机器制造有限公司 | A kind of PE tubing planet Chipless cutting machine |
| CN109343476A (en) * | 2018-10-08 | 2019-02-15 | 广州数控设备有限公司 | A kind of position gain combined debugging device and method based on rigid tapping |
| CN109343476B (en) * | 2018-10-08 | 2023-10-13 | 广州数控设备有限公司 | Position gain joint debugging method based on rigid tapping |
| CN109669395A (en) * | 2018-12-04 | 2019-04-23 | 天津津航技术物理研究所 | A kind of change radius arc interpolating method of axisymmetric aspheric surface |
| CN109669395B (en) * | 2018-12-04 | 2021-08-06 | 天津津航技术物理研究所 | Variable-radius circular interpolation method for axisymmetric aspheric surface |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160412 Address after: 312500, No. 29, persimmon Road, Xinchang Industrial Park, Xinchang County, Zhejiang, Shaoxing Patentee after: ZHEJIANG TUOMAN ZHIZAO TECHNOLOGY CO., LTD. Address before: 312500 No. 29 persimmon Road, Xinchang Industrial Park, Shaoxing, Zhejiang Patentee before: Zhejiang Toman Precision Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20200724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |