CN2908023Y - Variable frequency control device of digital control machine tool using main shaft analoyue quantity gear shift - Google Patents
Variable frequency control device of digital control machine tool using main shaft analoyue quantity gear shift Download PDFInfo
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- CN2908023Y CN2908023Y CN 200620118919 CN200620118919U CN2908023Y CN 2908023 Y CN2908023 Y CN 2908023Y CN 200620118919 CN200620118919 CN 200620118919 CN 200620118919 U CN200620118919 U CN 200620118919U CN 2908023 Y CN2908023 Y CN 2908023Y
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Abstract
The utility model relates to a frequency-conversion control device using numerical control lathe of principal shaft simulation valve shift, which belongs to a control device of principal process parts of the lathe drive, in particular to a control device with a principal work shaft adjusted and braked on the preset position. The new frequency-conversion control device comprises a principal shaft transducer and a microcomputer controller and an electric motor connected with the transducer. Analog output signals of the microcomputer controller control analog input terminal of the principal shaft transducer, and the principal shaft transducer controls the electric motor. The utility model has the advantages of that the output power is strong in both high speed and low speed rotation as well as the principal shaft gearbox is separated.
Description
Affiliated technical field
The utility model relates to the control device that lathe drives main processing component, and especially working-spindle is at the control device of precalculated position adjusting and braking.
Background technology
At present, the control device that the working-spindle of lathe is regulated and braked in the precalculated position all adopts the shaft transmission conversion and the spindle motor VFC is realized transmission ratio and even power output.The motor of Frequency Converter Control generally can be realized stepless speed regulation in the scope of 30%-120%, but operate at a high speed and during low speed power output will lower widely.For at a high speed and reach uniform power output during low speed, usually shaft transmission improves speed ratio when the main shaft slow-speed of revolution is exported, the high rotating speed of main shaft reduces speed ratio when exporting, and the frequency converter of control spindle motor is operated in the best working range, to obtain uniform power output.Thereby power output disadvantage less than normal when existing the high rotating speed and the slow-speed of revolution.Simultaneously, on the lathe of spindle-free variable-speed case, can't realize the speed ratio conversion, that is to say that the speed ratio conversion depends on shaft transmission.
Summary of the invention
In order to overcome the above-mentioned shortcoming of prior art, power was exported bigger, that break away from shaft transmission, as to adopt main shaft analog quantity gear shift Digit Control Machine Tool frequency-converting control device when the utility model provided a kind of high rotating speed and the slow-speed of revolution.
The technical scheme that its technical problem that solves the utility model adopts is: adopt the frequency-converting control device of main shaft analog quantity gear shift Digit Control Machine Tool to comprise spindle inverters and the microcomputerized controller and the motor that connect with it.The analog input end of the analog output signal control spindle inverters of microcomputerized controller, spindle inverters control motor.
The beneficial effects of the utility model are: owing to adopt the gear shift of main shaft analog quantity, so when having the high rotating speed and the slow-speed of revolution power output big, break away from advantage such as shaft transmission.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further specified.
Fig. 1 is the electrical schematic diagram of the utility model embodiment one.
Among the figure: 1, spindle inverters, 2, motor, 3, microcomputerized controller.
The specific embodiment
As shown in Figure 1, a kind of frequency-converting control device that adopts main shaft analog quantity gear shift Digit Control Machine Tool comprises spindle inverters 1 and the microcomputerized controller 3 and the motor 2 that connect with it.The analog input end of the analog output signal control spindle inverters 1 of microcomputerized controller 3, spindle inverters 1 control motor 2.The analog input end VRF and the ACM of the analog output signal SVC of microcomputerized controller 3 and 0V control spindle inverters 1, output W, the V of spindle inverters 1, U are by contactor KM1, KM2 and relay K A1, KA2 control motor 2.
As shown in Figure 1, motor 2 is multispeed electric machines.Multispeed electric machine substitutes the machine tool chief axis gearbox, realizes the speed ratio conversion, adopts frequency converter to realize stepless speed regulation, makes machine tool chief axis obtain power output relatively uniformly in 8 times variator ratio range.
Operation principle of the present utility model is summarized as follows.
The first, the setting of CNC Digit Control Machine Tool control system (increasing gear shift function digital control system with KND K1TBII is example)
The setting of systematic parameter
It is 1 grade of high speed of main shaft that the M code increases function: M41, and M42 is 2 grades of low speed of main shaft.
Systematic parameter is set: No. 036 main shaft analog quantity of systematic parameter fluid drive function digit AGER:=1 set is effective.
The highest speed of mainshaft parameter of high and low shelves simulation is set: systematic parameter P031 sets low-grade simulation maximum speed; Systematic parameter P032 sets high-grade simulation maximum speed.
The input of system and output signal
M41I is put in place the signal input of main shaft low grade; M42I is put in place the signal input of main shaft top grade.
M410 is the low-grade shift signal output of main shaft; M420 is the high-grade shift signal output of main shaft.
Format program: M41P Q L:M42P Q L.Wherein: time delay 1 when P is gear shift; Time delay 2 when Q is gear shift; When L is gear shift, the speed of mainshaft of gear shift.
The second, microcomputerized controller CNC speed of mainshaft gear-shifting control process
Programming according to converted products, main shaft gear: M41 is set is the main shaft low grade, and M42 is the main shaft top grade.P time delay that gear shift is set according to the mechanical property of lathe is X time delay, Q be time delay Y and L be the speed of mainshaft Z of gear shift.
When the program of machine tool numerical control system is carried out M41 and M42 instruction, check earlier whether the AGER of parameter P036 is 1, select the analog main shaft function, report to the police otherwise produce.Check then whether output state is consistent with current gear, if consistent, the M EOC does not carry out gear shift.If inconsistent, carry out next step gearshift procedure.
The speed of mainshaft is the rotating speed Z of programming L appointment, if when moving pause motion is arranged; Close former gear output signal and simultaneously export new shift signal M420 or M410 behind the X time delay that postpones the P appointment; Check gear put in place input signal M42I or M41I,, otherwise wait for effective until the signal that puts in place if the signal that puts in place effectively carries out next step.
Y time delay that postpones the Q appointment is by new speed of mainshaft output analog main shaft command value, shift end.
Three, the control procedure of main shaft control circuit
Accompanying drawing is that machine tool numerical control system is controlled the system switching state when the electrification reset state.
When program is carried out M41, microcomputerized controller 3 speed of mainshaft gear-shifting control process carry out gear shift, and in its corresponding port M410 generation output signal, by the high-grade relay signal output of speed of mainshaft normally closed interlock KA3-1, make the low-grade relay coil KA4 of the speed of mainshaft get electric adhesive, the low-grade relay signal output of speed of mainshaft normally open contact KA4-2 connects, normally open contact KA4-2 and the high-grade contactor signal output of speed of mainshaft normally closed interlock KM1-2 that control power supply 110V connects by the low-grade relay signal output of the speed of mainshaft, make the low-grade contactor coil KM2 of the speed of mainshaft get electric adhesive, the low-grade contactor control of speed of mainshaft output normally open contact KM2-3 connects, and connects motor 2 low speed input terminal U2, V2, W2; Normally closed interlock KM1-2 disconnects the high-grade contactor coil KM1 of the locking speed of mainshaft and prevents misoperation.Simultaneously, normally open contact KM1-1 connects, after digital control system microcomputerized controller 3 detects the high-grade contactor control of the speed of mainshaft output normally open contact KM1-1 connection signal of input port M41I, Y time delay of M41 Q time delay appointment, then by new speed of mainshaft output analog main shaft command value, spindle inverters 1 just produces output frequency according to analog main shaft instruction value signal SVC, the low-grade rotating speed of control motor 2.
When program is carried out M42, microcomputerized controller 3 speed of mainshaft gear-shifting control process carry out gear shift, and in its corresponding port M420 generation output signal, by the low-grade relay signal output of speed of mainshaft normally closed interlock KA4-1, make the high-grade relay coil KA3 of the speed of mainshaft get electric adhesive, the high-grade relay signal output of speed of mainshaft normally open contact KA3-2 connects, normally open contact KA3-2 and the low-grade contactor signal output of speed of mainshaft normally closed interlock KM2-2 that control power supply 110V connects by the high-grade relay signal output of the speed of mainshaft, make the high-grade contactor coil KM1 of the speed of mainshaft get electric adhesive, the high-grade contactor control of speed of mainshaft output normally open contact KM1-3 connects, and connects motor 2 low speed input terminal U1, V1, W1; Normally closed interlock KM2-2 disconnects the low-grade contactor coil KM2 of the locking speed of mainshaft and prevents misoperation.Simultaneously, normally open contact KM1-1 connects, after digital control system microcomputerized controller 3 detects the high-grade contactor control of the speed of mainshaft output normally open contact KM2-1 connection signal of input port M41I, Y time delay of M42 Q time delay appointment, then by new speed of mainshaft output analog main shaft command value, spindle inverters 1 just produces output frequency according to analog main shaft instruction value signal SVC, the high-grade rotating speed of control motor 2.
When program is carried out M03, the positive rotaring signal M03 of microcomputerized controller 3 outputs, by counter-rotating relay signal output normally closed interlock KA2-1, making just changes relay coil KA1 and gets electric adhesive, just changeing relay signal output normally open contact KA1-2 connects, 1 positive rotaring signal input FR, DCM is effective for spindle inverters, and motor 2 is just changeing; Just changeing simultaneously relay signal output normally closed interlock KA1-1 and disconnecting, locking counter-rotating relay coil KA2 prevents misoperation.
When program is carried out M04, microcomputerized controller 3 output reverse signal M04, by just changeing relay signal output normally closed interlock KA1-1, make counter-rotating relay coil KA2 get electric adhesive, counter-rotating relay signal output normally open contact KA2-2 connects, 1 positive rotaring signal input RR, DCM is effective for spindle inverters, motor 2 counter-rotatings; The relay signal that reverses simultaneously output normally closed interlock KA2-1 disconnects, and relay coil KA1 is just being changeed in locking, prevents misoperation.
The utility model M03, M04, M41 and M42 programmed order do not have specific (special) requirements, to confirm as principle for the last time.
Claims (2)
1, a kind of frequency-converting control device that adopts main shaft analog quantity gearshift Digit Control Machine Tool, comprise spindle inverters (1) and the microcomputerized controller (3) and the motor (2) that connect with it, the analog input end that it is characterized in that the analog output signal control spindle inverters (1) of microcomputerized controller (3), spindle inverters (1) control motor (2).
2, by the frequency-converting control device of the described employing main shaft of claim 1 analog quantity gearshift Digit Control Machine Tool, it is characterized in that motor (2) is a multispeed electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620118919 CN2908023Y (en) | 2006-05-30 | 2006-05-30 | Variable frequency control device of digital control machine tool using main shaft analoyue quantity gear shift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620118919 CN2908023Y (en) | 2006-05-30 | 2006-05-30 | Variable frequency control device of digital control machine tool using main shaft analoyue quantity gear shift |
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| Publication Number | Publication Date |
|---|---|
| CN2908023Y true CN2908023Y (en) | 2007-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620118919 Expired - Lifetime CN2908023Y (en) | 2006-05-30 | 2006-05-30 | Variable frequency control device of digital control machine tool using main shaft analoyue quantity gear shift |
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| CN (1) | CN2908023Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262200B (en) * | 2008-04-17 | 2011-06-22 | 沈阳工业大学 | Multi-frequency converter speed-adjusting system for low-voltage high-power multi-branch AC motor |
| CN103872966A (en) * | 2014-03-13 | 2014-06-18 | 湖南恒新重工机械有限公司 | Method of controlling speed change of multispeed motor or wound rotor motor by adopting computer |
| CN112161047A (en) * | 2020-07-14 | 2021-01-01 | 引力波数控设备有限公司 | Servo automatic gear shifting speed change system of AMT (automated mechanical Transmission) numerical control lathe |
-
2006
- 2006-05-30 CN CN 200620118919 patent/CN2908023Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262200B (en) * | 2008-04-17 | 2011-06-22 | 沈阳工业大学 | Multi-frequency converter speed-adjusting system for low-voltage high-power multi-branch AC motor |
| CN103872966A (en) * | 2014-03-13 | 2014-06-18 | 湖南恒新重工机械有限公司 | Method of controlling speed change of multispeed motor or wound rotor motor by adopting computer |
| CN103872966B (en) * | 2014-03-13 | 2016-03-02 | 湖南恒新重工机械有限公司 | Adopt the method for computer control multispeed electric machine or winding rotor motor speed change |
| CN112161047A (en) * | 2020-07-14 | 2021-01-01 | 引力波数控设备有限公司 | Servo automatic gear shifting speed change system of AMT (automated mechanical Transmission) numerical control lathe |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070606 |
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| EXPY | Termination of patent right or utility model |