CN2864772Y - Automatic control device for final position of moving parts - Google Patents
Automatic control device for final position of moving parts Download PDFInfo
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- CN2864772Y CN2864772Y CN 200620003530 CN200620003530U CN2864772Y CN 2864772 Y CN2864772 Y CN 2864772Y CN 200620003530 CN200620003530 CN 200620003530 CN 200620003530 U CN200620003530 U CN 200620003530U CN 2864772 Y CN2864772 Y CN 2864772Y
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Abstract
The utility model relates to a position control device for movable parts, comprising an offset sensor, a data collection module, a CPU, a motor pole-changing module, a motor frequency-changing module, a variable-pole-speed motor wherein the offset sensor is arranged at the movable part, the actuating device or the variable-pole-speed motor and is connected with the input port of the data collecting module through signal wires, the output of the data collecting module is connected to the CPU whose output is connected with the input of motor pole-changing module and the input of the motor frequency-changing module respectively, the output of the motor pole-changing module is connected with the poles of the variable-pole-speed motor and the output of the frequency-changing module is connected with the low-speed poles of the variable-pole-speed motor. The utility model is characterized by the low cost and high control precision.
Description
Technical field
The utility model relates to a kind of moving component position control, is specifically related to the high device of a kind of moving component final position control accuracy.
Background technology
The motor-driven moving component is done motion and is required a lot to the automatic pinpoint example in final position, the tangential movement of working roll in the elevating movement of the working roll in for example metallurgical forging equipment roller type leveling machine and the roll-type plate bending rolls, the drafts of working roll, the opening amount and the amount of moving horizontally all require automatically accurately its final position of control, reel steel plate uncoiling leveling cutting production line will accurately be controlled the steel plate length of each shearing for another example, need to detect to the main driving motor speed governing and to output steel plate length (or working roll corner), because power of motor is bigger, adopt stepper motor or servomotor cost higher, adopt common electric machine frequency conversion cost also higher, effect is undesirable sometimes; The elevating movement of working roll has unloaded depression stroke and unloaded backhaul in the roll-type plate bending rolls, requires zero load and backhaul to depress soon than heavy duty, to increase work efficiency; Automatically accurate location, working roll final position also needs to transfer the rising or falling speed of slow working roll, and it is also undesirable sometimes to adopt common electric machine to add the frequency conversion effect.
When mechanical motion Control work roller two ends are synchronized with the movement, owing to can not control the final position of every end automatically, two ends can only be mixed up initial position and be rigidly connected, by a motor-driven, adopt conical gear or worm gear to change direction in the reduction gear.
The utility model content
At above-mentioned deficiency, fundamental purpose of the present utility model is to provide the device for automatic controlling final position of moving element that a kind of cost is low, control accuracy is high.
To achieve these goals, the technical solution of the utility model is: device for automatic controlling final position of moving element, it is characterized in that it comprises displacement transducer, data acquisition module, the CPU microprocessor, motor pole-changing module, the motor frequency conversion module, the variable-pole multi-speed motor, displacement transducer is positioned at moving component or gearing or variable-pole multi-speed motor place, displacement transducer is linked to each other with the input of data acquisition module by signal wire, the output of data acquisition module links to each other with the input of CPU microprocessor, the output of CPU microprocessor respectively with motor pole-changing module, the input of motor frequency conversion module links to each other, the output of motor pole-changing module links to each other with each utmost point interface of variable-pole multi-speed motor, and the output of motor frequency conversion module links to each other with the low speed utmost point interface of variable-pole multi-speed motor.
The output of described motor frequency conversion module links to each other with high speed utmost point interface with the low speed utmost point interface of variable-pole multi-speed motor.
The utility model adopts said structure, and the number of poles of motor frequency conversion modules configured and motor is irrelevant, and is only relevant with power of motor, can reduce the cost of control device.Motor is turned down the speed of motor slow speed turbine stage in the slow speed turbine stage frequency conversion, relative common electric machine frequency modulation speed change, and same speed adjustable range, the better performances of speed governing and output torque, or the lower control accuracy of speed is higher.
Variable-pole multi-speed motor slow speed turbine stage output torque is a little less than level at a high speed because the difference of and static and dynamic friction coefficient short in slow speed turbine stage working time, can not give gearing and at a high speed a level power configuration increase burden.
The output of motor frequency conversion module links to each other with high speed utmost point interface with the low speed utmost point interface of variable-pole multi-speed motor, when zero load or underloading by heightening the very fast degree of high speed, under the identical situation of the average movement velocity of each stroke of the moving component movement velocity during with not speed governing, the movement velocity of moving component can be about 50～75% of average movement velocity when load movement, and promptly high speed utmost point power can reduce; Motor is turned down the speed of motor slow speed turbine stage in the slow speed turbine stage frequency conversion simultaneously, relative common electric machine frequency modulation speed change, and same speed adjustable range, the better performances of speed governing and output torque, or the lower control accuracy of speed is higher.
Description of drawings
Fig. 1 is embodiment 1 synoptic diagram of the present utility model, among the figure: 1-lower roll, 2-bottom roll bearing block, 3-sprocket wheel, 4-double-speed motor, 5-coupling shaft and flange coupling connector, 6-worm-gears, 7-feed screw nut pair, 8-control system, 9-displacement transducer.
Fig. 2 is embodiment 2 synoptic diagram of the present utility model, among the figure: 10-top roll, the last roll bearing seat of 11-, 12-rotary encoder.
Fig. 3 is embodiment 3 synoptic diagram of the present utility model.
Fig. 4 is embodiment 4 synoptic diagram of the present utility model, among the figure: 13-reductor, 14-working roll, 15-working roll bearing block.
Fig. 5 is embodiment 5 synoptic diagram of the present utility model, among the figure: 16-oil cylinder, 17-double-speed motor, 18-oil pump, 19-valve member.
Fig. 6 is embodiment 6 synoptic diagram of the present utility model, among the figure: the 20-moved cross beam.
Fig. 7 is embodiment 7 synoptic diagram of the present utility model, and among the figure: 21-oil cylinder, 22-fixed frame, 23-billy gate, 24-pull bar, 25-afterbody frame, 26-train wheel are to, 27-chassis.
Fig. 8 is first structural representation of the present utility model.
Fig. 9 is second structural representation of the present utility model.
Embodiment
As shown in Figure 8, device for automatic controlling final position of moving element, it comprises displacement transducer, data acquisition module, the CPU microprocessor, motor pole-changing module, the motor frequency conversion module, the variable-pole multi-speed motor, displacement transducer is positioned at moving component or gearing or variable-pole multi-speed motor place, displacement transducer is linked to each other with the input of data acquisition module by signal wire, the output of data acquisition module links to each other with the input of CPU microprocessor, the output of CPU microprocessor respectively with motor pole-changing module, the input of motor frequency conversion module links to each other, the output of motor pole-changing module links to each other with each utmost point interface of variable-pole multi-speed motor, and the output of motor frequency conversion module links to each other with the low speed utmost point interface of variable-pole multi-speed motor.Control system 8 comprises data acquisition module, CPU microprocessor, motor pole-changing module, motor frequency conversion module.The CPU microprocessor can be single-chip microcomputer, PLC, industrial computer etc.
As shown in Figure 9, the output of described motor frequency conversion module links to each other with high speed utmost point interface with the low speed utmost point interface of variable-pole multi-speed motor.
Embodiment 1:
As shown in Figure 1, move horizontally the embodiment that uses this device for automatic controlling final position of moving element for horizontal down-regulation type roll-type plate bending rolls lower roll machinery.Gearing is sprocket wheel 3, coupling shaft and flange coupling connector 5, worm-gears 6, feed screw nut pair 7; Moving component is bottom roll bearing block 2 and lower roll 1.Displacement transducer is located at bottom roll bearing block 2 places.The corresponding top roll of lower roll moves horizontally on bed ways, double-speed motor 4 is by sprocket wheel 3, coupling shaft and flange coupling connector 5, worm-gears 6, feed screw nut pair 7 drives bottom roll bearing block 2 and lower roll 1 moves horizontally, the motor frequency conversion module is located in the control system 8, the size of motor frequency conversion module is according to the low speed utmost point power configuration of double-speed motor 4, fixing behind the mutual initial position at flange coupling connector adjusting lower roll 1 two ends, the amount of moving horizontally of lower roll 1 is set in control system 8, control system 8 is judged according to setting value and image data, when the moving component stroke is long, control system 8 makes double-speed motor 4 earlier at the high speed level work, when short the or lower roll 1 of moving component stroke moves horizontally and puts near final position, control system 8 makes double-speed motor 4 in slow speed turbine stage work and to the slow speed turbine stage frequency conversion, turn down the speed of motor slow speed turbine stage, the final position of control lower roll 1 is put the requirement of satisfying setting value with certain precision.The motor frequency conversion module has reduced the cost of control device according to the slow speed turbine stage power configuration of double-speed motor 4, and double-speed motor 4 is turned down the speed of motor slow speed turbine stage in the slow speed turbine stage frequency conversion, the better performances of speed governing and output torque, or the lower control accuracy of speed is higher.The mechanical elevating of working roll motion is the drafts of working roll, the control device of opening amount in the roller type leveling machine, and is identical with this example when depressing motor and be one, similar to embodiment 3 when depressing motor and being two.
Embodiment 2:
As shown in Figure 2, use the embodiment of this device for automatic controlling final position of moving element for the motion of roll-type plate bending rolls top roll mechanical elevating.Gearing is sprocket wheel 3, coupling shaft and flange coupling connector 5, worm-gears 6, feed screw nut pair 7; Moving component is last roll bearing seat 11 and top roll 10.The corresponding lower roll of top roll is done elevating movement, double-speed motor 4 is by sprocket wheel 3, coupling shaft and flange coupling connector 5, worm-gears 6, feed screw nut pair 7 drives goes up roll bearing seat 11 and top roll 10 elevating movements, displacement transducer (rotary encoder 12) is located on the axle of double-speed motor 4, move downward and begin to be idle path, be the load stroke after touching workpiece, move upward and be idle path, the size of the motor frequency conversion module in the control system 8 is according to the high speed utmost point configuration of double-speed motor 4, fixing behind the mutual initial position at flange coupling connector adjusting top roll two ends, the lifting moving amount of top roll 10 is set in control system 8, (can be manually or when idle path or underloading stroke according to detecting electric current, pressure, moment of torsion is judged), make double-speed motor 4 at the high speed level work and to level frequency conversion at a high speed, heighten the motor speed of level at a high speed; When the load stroke, make double-speed motor 4 in high speed level work, not frequency conversion; Control system 8 detects top roll 10 from rotary encoder 12 and depresses when moving closer to final position and putting, control system 8 makes double-speed motor 4 change to slow speed turbine stage work (available frequency control makes the pole-changing control smooth transition) from the high speed level, in the slow speed turbine stage frequency conversion, turn down the speed of double-speed motor slow speed turbine stage, the final position of control top roll is put the requirement of satisfying setting value with certain precision.If the movement velocity of the average movement velocity of each stroke of moving component during with not speed governing is identical, the movement velocity of moving component can be about 50～75% of average movement velocity when load movement, the reduction gear ratio of gear strengthens, as add the ratio of gear of hinge wheel 3 or the ratio of gear of worm-gears 6, or the high speed utmost point number of poles of double-speed motor 4 becomes big, the high speed utmost point power of double-speed motor can reduce, and has the advantage of embodiment 1 simultaneously.
Embodiment 3:
As shown in Figure 3, use the embodiment of this device for automatic controlling final position of moving element for the motion of roll-type plate bending rolls top roll mechanical elevating.Gearing is sprocket wheel 3, coupling shaft and flange coupling connector 5, worm-gears 6, feed screw nut pair 7; Moving component is last roll bearing seat 11 and top roll 10.Control system 8 usefulness embodiment 2 described control device are controlled the last roll bearing seat 11 at top roll 10 two ends respectively, displacement transducer (rotary encoder 12) is located on the axle of double-speed motor 4, control system 8 by rotary encoder 12 relatively and the last roll bearing seat 11 of controlling top roll 10 two ends position difference at the volley, the tilt quantity that prevents top roll 10 is excessive, when the last roll bearing seat 11 of an end than the other end during near certain value, turn down the speed of this end double-speed motor on a small quantity by the motor frequency conversion module, control the final position of the last roll bearing seat 11 at top roll 10 two ends simultaneously and put the requirement of satisfying setting value with certain precision.Because the last roll bearing seat 11 at top roll 10 two ends is controlled lifting respectively, worm-gears 6 can change gear pair into, and the axle of double-speed motor 4 is parallel with screw axis.
Embodiment 4:
As shown in Figure 4, use the embodiment of this device for automatic controlling final position of moving element for roller type leveling machine in the reel steel plate uncoiling leveling cutting production line.Gearing is a reductor 13; Moving component is a working roll 14.Working roll 14 is following row's working roll of roller type leveling machine in the production line, following row's working roll number is Duoed one than last row, working roll 14 is installed on the working roll bearing block 15, working roll 14 drives for dividing roller, double-speed motor 4 drives working roll 14 rotations by reductor 13, displacement transducer (rotary encoder 12) can be located on arbitrary level (containing double-speed motor 4) of last root working roll of discharge end or its gearing, present embodiment rotary encoder 12 is located at the axle of double-speed motor 4 of last root working roll of discharge end and goes up (direction of arrow sensing exit side), plate shearing machine is located at the exit side of roller type leveling machine, the motor frequency conversion module is located in the control system 8, the size of motor frequency conversion module is according to the low speed utmost point power configuration of double-speed motor 4, when control system 8 detects the output steel plate length near setting value from rotary encoder 12, control system 8 makes double-speed motor 4 in slow speed turbine stage work and to the slow speed turbine stage frequency conversion, turn down the speed of motor slow speed turbine stage, the control plate shearing machine is cut off steel plate, and control output steel plate length satisfies the requirement of setting value with certain precision.According to different accuracy requirements, double-speed motor 4 can be shut down when plate shearing machine was cut off steel plate, also can not shut down.
Last root working roll of discharge end can be driven roll among the embodiment 4, and rotary encoder 12 is located on the less reductor input shaft of specification, and reductor becomes booster engine, improves measuring accuracy.
Embodiment 5:
As shown in Figure 5, use the embodiment of this device for automatic controlling final position of moving element for the motion of roll-type plate bending rolls top roll hydraulic lifting.Gearing is oil cylinder 16, oil pump 18, valve member 19 compositions; Moving component is top roll 10, last roll bearing seat 11.The last roll bearing seat 11 at top roll 10 two ends is driven by two oil cylinders 16 respectively and does elevating movement, two displacement transducers 9 are located at last roll bearing seat 11 places at top roll 10 two ends, double-speed motor 17 drives two oil pumps 18 respectively, two cover valve members 19 are to two oil cylinder 16 fuel feeding, directional control valve in the valve member 19 adopts common direction valve, the size of the motor frequency conversion module in the control system 8 is according to the high speed utmost point configuration of double-speed motor 17, top roll 10 lifting moving amounts are set in control system 8, (can judge) when idle path or underloading stroke according to detecting oil cylinder working-pressure, make double-speed motor 17 at the high speed level work and to level frequency conversion at a high speed, heighten the motor speed of level at a high speed; When the load stroke, make double-speed motor 17 in high speed level work, not frequency conversion; Control system 8 detects top roll 10 from two displacement transducers 9 and depresses when moving closer to final position and putting, control system 8 makes double-speed motor 17 change to slow speed turbine stage work (available frequency control makes the pole-changing control smooth transition) from the high speed level, in the slow speed turbine stage frequency conversion, turn down the speed of double-speed motor slow speed turbine stage, control system 8 by two displacement transducers 9 relatively and the last roll bearing seat 11 of controlling top roll 10 two ends position difference at the volley, the tilt quantity that prevents top roll 10 is excessive, when the last roll bearing seat 11 of an end than the other end during near certain value, valve member 19 suspends to this oil cylinder fuel feeding (during the single oil cylinder of single motor-driven, can turn down the speed of this oil cylinder double-speed motor by the motor frequency conversion module on a small quantity), up to the value of position difference, finally control the final position of the last roll bearing seat 11 at top roll 10 two ends and put the requirement of satisfying setting value with certain precision less than regulation.If the movement velocity of the average movement velocity of each stroke of moving component during with not speed governing is identical, the movement velocity of moving component can be 50～75% of average movement velocity when load movement, the high speed utmost point power of double-speed motor can reduce, and has the advantage of embodiment 1 simultaneously.
Embodiment 1 and embodiment 5 can be present in the bench roller formula plate bending rolls, i.e. top roll hydraulic lifting motion, and lower roll machinery moves horizontally, and both can not move or not need speed change simultaneously simultaneously, can shared cover control system 8, a shared motor frequency conversion module.
Embodiment 1, embodiment 4 and embodiment 5 can be present in the bench roller formula plate bending rolls, be that the motion of top roll hydraulic lifting, lower roll machinery move horizontally, main transmission, the three can not move or not need speed change simultaneously simultaneously, can a shared cover control system 8, and a shared motor frequency conversion module.
Embodiment 6:
As shown in Figure 6, use the embodiment of this device for automatic controlling final position of moving element for the motion of roller type leveling machine moved cross beam hydraulic lifting.Gearing is quadruplet oil cylinder 16, oil pump 18, valve member 19; Moving component is a moved cross beam 20.Displacement transducer is located at 4 angles of moved cross beam 20.Last row's working roll is installed on the moved cross beam, corresponding row's working roll is down done elevating movement, 4 oil cylinders drive 4 angles of moved cross beam 20 respectively, the direction of arrow is the input and output material direction, the final position that two double-speed motors 17 are carried out the opening amount of roller type leveling machine charging and exit side is respectively put control, keeps the parallel of row's working roll and following row's working roll on this side simultaneously.Present embodiment is the hydraulic lifting motion of a cover control system 8 controls two cover embodiment 5.
Embodiment 7:
As shown in Figure 7, use the embodiment of this device for automatic controlling final position of moving element for the motion of axle press-fitting machine master cylinder.Gearing is oil pump 18, valve member 19, oil cylinder 21; Moving component is that train wheel is to 26.Displacement transducer is located at places such as oil cylinder 21.Fixed frame 22, afterbody frame 25, two pull bars 24 are formed a fixing stress frame and are placed on the chassis 27, oil cylinder 21 is installed in the fixed frame center, the workpiece train wheel that is press-fited is placed on the billy gate 23 26, oil cylinder 21 by be installed in instrument on piston rod head and the afterbody frame 25 realize wheel to the press-fiting of braked wheel, double-speed motor 4 drives oil pump 18, valve member 19 is to oil cylinder 21 fuel feeding (idle path has the low pressure and mass flow oil pump feed in addition), directional control valve in the valve member 19 adopts common direction valve, the size of the motor frequency conversion module in the control system 8 is according to the low speed utmost point configuration of double-speed motor 4, other has among other displacement transducer figure and does not draw, in control system 8, calculate and be provided with the displacement of piston rod, control system 8 detects when moving closer to final position and putting from displacement transducer, control system 8 makes double-speed motor 4 change to slow speed turbine stage work from the high speed level, in the slow speed turbine stage frequency conversion, turn down the speed of double-speed motor slow speed turbine stage, finally control the requirement that distance between two wheels and two braked wheels reaches setting.
The utility model both had been suitable for new product development and also had been suitable for old scrap build.
Claims (2)
1. device for automatic controlling final position of moving element, it is characterized in that it comprises displacement transducer, data acquisition module, the CPU microprocessor, motor pole-changing module, the motor frequency conversion module, the variable-pole multi-speed motor, displacement transducer is positioned at moving component or gearing or variable-pole multi-speed motor place, displacement transducer is linked to each other with the input of data acquisition module by signal wire, the output of data acquisition module links to each other with the input of CPU microprocessor, the output of CPU microprocessor respectively with motor pole-changing module, the input of motor frequency conversion module links to each other, the output of motor pole-changing module links to each other with each utmost point interface of variable-pole multi-speed motor, and the output of motor frequency conversion module links to each other with the low speed utmost point interface of variable-pole multi-speed motor.
2. device for automatic controlling final position of moving element according to claim 1 is characterized in that the output of described motor frequency conversion module links to each other with high speed utmost point interface with the low speed utmost point interface of variable-pole multi-speed motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620003530 CN2864772Y (en) | 2006-01-18 | 2006-01-18 | Automatic control device for final position of moving parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620003530 CN2864772Y (en) | 2006-01-18 | 2006-01-18 | Automatic control device for final position of moving parts |
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| Publication Number | Publication Date |
|---|---|
| CN2864772Y true CN2864772Y (en) | 2007-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620003530 Expired - Fee Related CN2864772Y (en) | 2006-01-18 | 2006-01-18 | Automatic control device for final position of moving parts |
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| CN (1) | CN2864772Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734174A (en) * | 2008-11-20 | 2010-06-16 | 陈成勋 | Pole-variable and frequency-variable speed regulation electric car drive device |
| CN101863139A (en) * | 2010-06-07 | 2010-10-20 | 佛山市新信德节能环保投资管理有限公司 | Energy-saving control device for punch presses |
| CN104291219A (en) * | 2014-09-28 | 2015-01-21 | 洛阳新思路电气股份有限公司 | Electrical control system of anode assembly casting vehicle and control method of electrical control system |
-
2006
- 2006-01-18 CN CN 200620003530 patent/CN2864772Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734174A (en) * | 2008-11-20 | 2010-06-16 | 陈成勋 | Pole-variable and frequency-variable speed regulation electric car drive device |
| CN101734174B (en) * | 2008-11-20 | 2016-04-06 | 陈成勋 | Pole-variable and frequency-variable speed regulation electric car drive device |
| CN101863139A (en) * | 2010-06-07 | 2010-10-20 | 佛山市新信德节能环保投资管理有限公司 | Energy-saving control device for punch presses |
| CN104291219A (en) * | 2014-09-28 | 2015-01-21 | 洛阳新思路电气股份有限公司 | Electrical control system of anode assembly casting vehicle and control method of electrical control system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070131 Termination date: 20120118 |