CN2845288Y - Interrupted electromechanic transmission based on arch surface divided cam mechanism - Google Patents
Interrupted electromechanic transmission based on arch surface divided cam mechanism Download PDFInfo
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- CN2845288Y CN2845288Y CN 200520124438 CN200520124438U CN2845288Y CN 2845288 Y CN2845288 Y CN 2845288Y CN 200520124438 CN200520124438 CN 200520124438 CN 200520124438 U CN200520124438 U CN 200520124438U CN 2845288 Y CN2845288 Y CN 2845288Y
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- cam mechanism
- indexing cam
- cambered surface
- circuit
- surface indexing
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Abstract
The utility model relates to a novel electromechanical intermittent transmission device based on a cambered surface indexing cam mechanism. The utility model comprises an electromotor, a cambered surface indexing cam box, a shaft coupling, a base and a non-linear disturbance compensation controller, wherein the controller, the electromotor and the cambered surface indexing cam box are all fixed to the base, the electromotor is connected with the cambered surface indexing cam box by the shaft coupling, and the controller is connected with the cambered surface indexing cam box by a connecting cable. The controller is composed of a microprocessor, a memorizer, a peripheral interface circuit, a rectification circuit, a power inverter, a power drive circuit, a current sensing device and a level switching circuit which are electrically connected. According to the periodic motion characteristic of the cambered surface indexing cam mechanism, the utility model initiatively compensates and controls the load torque disturbance by the method of electromechanical coupling control, and raises the transmission accuracy and the dynamic response characteristic of the cam mechanism. Thereby, the property of the cambered surface indexing cam mechanism is enhanced, and the utility model can effectively solve the problems that the cambered surface indexing cam mechanism has low positioning accuracy, impingement and oscillation phenomenon during transmission.
Description
(1) technical field
The utility model relates to a kind of dynamo-electric intermittent transmission device, particularly a kind of novel electromechanical intermittent transmission device based on ferguson cam mechanism.
(2) background technology
Ferguson cam mechanism is a kind of intermittent drive mechanism that is directly driven by common three-phase alternating-current motor, and it has advantages such as simple in structure, that cost is low, transmission power is big, is widely used in the various automated machines; Because the existence of its acceleration and deceleration motion rule, manufacturing and factors such as rigging error and mechanical characteristics of motor can form the load of cycle variation significantly, also exists serious impact and vibration in the running, has a strong impact on the positioning accuracy of mechanism.How improving positioning accuracy in mechanism's intermittent movement becomes the research emphasis and the difficult point in Study on Roller Gear Indexing Cam field, present space; Present research to ferguson cam mechanism mainly concentrates on by the mechanical drive department of contour curve, roller shape and the cam mechanism that changes arc surfaced indexing cam and assigns to reach the purpose of optimizing transmission accuracy, but effect is very undesirable.
(3) summary of the invention
For overcoming the deficiencies in the prior art, the utility model is introduced the nonlinear disturbance compensating controller, provide a kind of reasonable in design, simple in structure, easy to manufacture, can effectively solve a kind of novel electromechanical intermittent transmission device that positioning accuracy in the ferguson cam mechanism transmission is low, have the shock and vibration phenomenon based on ferguson cam mechanism.
A kind of novel electromechanical intermittent transmission device based on ferguson cam mechanism, comprise motor, arc surfaced indexing cam case, shaft coupling and base, it is characterized in that, it also comprises the nonlinear disturbance compensating controller, nonlinear disturbance compensating controller, motor and arc surfaced indexing cam case all are fixed on the base, motor links to each other with the arc surfaced indexing cam case by shaft coupling, links to each other by the stube cable line between nonlinear disturbance compensating controller and the arc surfaced indexing cam case.
Described nonlinear disturbance compensating controller is made up of microprocessor, memory, peripheral interface circuit, rectification circuit, power inverter, power driving circuit, current sensor and level shifting circuit, carries out being electrically connected between them.
Described microprocessor integrated circuit TMS320F240, memory integrated circuit IS61C1024, rectification circuit adopts bridge commutating, current sensor voltage-type Hall element, power inverter PM25RSB120, power driving circuit is 6N137 and insulating power supply, and level conversion adopts resistor network.
The utility model is worked under program control, and its operation principle is: microprocessor obtains motor corner and three-phase current information in real time from motor speed observation module and current sensor respectively, adopts to slide and touches the disturbance observation technology, obtains the compensation controlled quentity controlled variable; Magnetic linkage and rotary speed setting value are imported the nonlinear disturbance compensating controller with the compensation controlled quentity controlled variable after adjuster is regulated, finish the real-time control of torque disturbance dynamic compensation, and output is through 2/3 conversion rear drive motor.
The utility model with ferguson cam mechanism and motor as a Mechatronic Systems, by setting up unified Mathematical Modeling, periodic motion characteristic according to ferguson cam mechanism, adopt the method for mechanical-electric coupling control, Active Compensation control is carried out in the load torque disturbance, improve the transmission accuracy and the dynamic response characteristic of cam mechanism, reach the purpose of improving the ferguson cam mechanism performance, compare with common globoid cam intermittent transmission device, positioning accuracy improves more than 40%, and noise descends 20%.Have reasonable in designly, simple in structure, easy to manufacture, can effectively solve the characteristics that positioning accuracy in the ferguson cam mechanism transmission is low, have the shock and vibration phenomenon.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a nonlinear disturbance compensating controller structured flowchart in the utility model.
Fig. 3 is a nonlinear disturbance compensating controller electrical schematic diagram in the utility model.
Wherein, 1, the stube cable line, 2, motor, 3, shaft joint, 4, the arc surfaced indexing cam case, 5, base, 6, nonlinear disturbance compensating controller, 7, microprocessor, 8, memory, 9, peripheral interface circuit, 10, reset, other auxiliary circuits such as crystal oscillator, 11, rectification circuit, 12, power inverter, 13, power driving circuit, 14, current sensor, 15, level shifting circuit, 16, power supply.
(5) embodiment
Embodiment: structure of the present utility model as depicted in figs. 1 and 2, nonlinear disturbance compensating controller electrical schematic diagram as shown in Figure 3, comprise motor 2, arc surfaced indexing cam case 4, shaft coupling 3 and base 5, it is characterized in that, it also comprises nonlinear disturbance compensating controller 6, nonlinear disturbance compensating controller 6, motor 2 and arc surfaced indexing cam case 5 all are fixed on the base 5, motor 2 links to each other with arc surfaced indexing cam case 4 by shaft coupling 3, links to each other by stube cable line 1 between nonlinear disturbance compensating controller 6 and the arc surfaced indexing cam case 4.
Described nonlinear disturbance compensating controller 6 by microprocessor 7, memory 8, peripheral interface circuit 9, reset, other auxiliary circuits 10, rectification circuit 11, power inverter 12, power driving circuit 13, current sensor 14 and level shifting circuit 15 such as crystal oscillator form, and carries out being electrically connected between them.
Described microprocessor 7 integrated circuit TMS320F240, memory 8 integrated circuit IS61C1024, rectification circuit 11 adopts the bridge type rectification, current sensor 14 voltage-type Hall element, power inverter 12 is used PM25RSB120, power driving circuit 13 usefulness 6N137 and insulating power supplies, level shifting circuit 15 adopts resistor network.
Claims (3)
1, a kind of novel electromechanical intermittent transmission device based on ferguson cam mechanism, comprise motor, arc surfaced indexing cam case, shaft coupling and base, it is characterized in that, it also comprises the nonlinear disturbance compensating controller, nonlinear disturbance compensating controller, motor and arc surfaced indexing cam case all are fixed on the base, motor links to each other with the arc surfaced indexing cam case by shaft coupling, links to each other by the stube cable line between nonlinear disturbance compensating controller and the arc surfaced indexing cam case.
2, a kind of novel electromechanical intermittent transmission device as claimed in claim 1 based on ferguson cam mechanism, it is characterized in that, described nonlinear disturbance compensating controller is made up of microprocessor, memory, peripheral interface circuit, rectification circuit, power inverter, power driving circuit, current sensor and level shifting circuit, carries out being electrically connected between them.
3, a kind of novel electromechanical intermittent transmission device as claimed in claim 1 or 2 based on ferguson cam mechanism, it is characterized in that, described microprocessor integrated circuit TMS320F240, memory integrated circuit IS61C1024, rectification circuit adopts bridge commutating, current sensor voltage-type Hall element, power inverter PM25RSB120, power driving circuit adopts resistor network with 6N137 and insulating power supply, level conversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124438 CN2845288Y (en) | 2005-11-11 | 2005-11-11 | Interrupted electromechanic transmission based on arch surface divided cam mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124438 CN2845288Y (en) | 2005-11-11 | 2005-11-11 | Interrupted electromechanic transmission based on arch surface divided cam mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2845288Y true CN2845288Y (en) | 2006-12-06 |
Family
ID=37487230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520124438 Expired - Fee Related CN2845288Y (en) | 2005-11-11 | 2005-11-11 | Interrupted electromechanic transmission based on arch surface divided cam mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2845288Y (en) |
-
2005
- 2005-11-11 CN CN 200520124438 patent/CN2845288Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |