CN205427536U - Screw up quick -witted control system based on CAN bus is multi -functional - Google Patents
Screw up quick -witted control system based on CAN bus is multi -functional Download PDFInfo
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- CN205427536U CN205427536U CN201620218923.9U CN201620218923U CN205427536U CN 205427536 U CN205427536 U CN 205427536U CN 201620218923 U CN201620218923 U CN 201620218923U CN 205427536 U CN205427536 U CN 205427536U
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Abstract
The utility model discloses a screw up quick -witted control system based on CAN bus is multi -functional, wherein, the system includes a main control unit and a plurality of axle control ware, main control unit include a control unit and with the CAN bus communication circuit that a control unit connects, every the axle control ware all include the 2nd the control unit and with the 2nd CAN bus communication circuit that the 2nd the control unit connects, a CAN bus communication circuit with the 2nd CAN bus communication circuit communication is connected. The utility model discloses can realize multi -function control such as angle, moment of torsion, torque value, angle value is accurate, and the uniformity is good, simple structure, and easily extension, the stable performance, it is with low costs, adopt the CAN bus to carry out the communication between each module, the communication is stable to response speed is fast.
Description
Technical field
This utility model relates to auto manufacturing's bolt automatic fastening technical field, particularly to one based on CAN multi-functional tightening machine control system.
Background technology
At present domestic automobile station-service to electric bolt screwing machine have many types, control mode is also varied, but the precision of its screw-down torque and angle does not often reach production requirement, and performance is not the most stable, and fault rate remains high.In fact producing the main cause of these problems is that the structure of tightening machine control system is the most complicated, control mode is loaded down with trivial details, response speed is slow, screw-down torque is unstable, tightening angle inaccurate, equipment volume is huge, and maintenance maintenance is complicated, not having host computer not work, corresponding price is the most sufficiently expensive.
Accordingly, it would be desirable to a kind of novel tightening machine control system that can solve the problem that the problems referred to above.
Utility model content
To this end, the utility model proposes a kind of based on CAN multi-functional tightening machine control system, the one or more problems caused due to restriction and the defect of prior art can be eliminated fully.
This utility model additional advantage, purpose and characteristic, a part will be elucidated in the following description, and another part for those of ordinary skill in the art by the investigation of description below being will be apparent from or acquiring from enforcement of the present utility model.Can realize and obtain this utility model purpose and advantage by the structure particularly pointed out in the specification and claims of word and accompanying drawing.
This utility model provides a kind of based on CAN multi-functional tightening machine control system, wherein, described system includes a master controller and multiple axis controller, described master controller includes the first control unit and the first CAN communicating circuit being connected with described first control unit, each described axis controller all includes that the second control unit and the second CAN communicating circuit being connected with described second control unit, described first CAN communicating circuit and described second CAN communicating circuit communication connect；
Described master controller also includes the first digital pipe display circuit, the first display lamp output circuit, button inputting circuits, On-off signal output circuit and the serial communication circuit being connected with described first control unit, and described On-off signal output circuit is connected with operator panel buttons input circuit, panel leds output circuit and electromagnetic valve output circuit；
Described axis controller also includes the second digital pipe display circuit, the second display lamp output circuit, toggle switch input circuit, AD conversion input circuit, DA conversion output circuit and the encoder input circuit being connected with described second control unit, described AD conversion input circuit is connected with torque sensor input circuit, and described DA conversion output circuit and encoder input circuit are connected with servomotor output circuit.
Preferably, described first control unit and described second control unit are STM8 single-chip microcomputer.
Preferably, described master controller includes that front panel and rear board, described front panel and rear board are connected by master controller fin.
Preferably, described axis controller includes that front panel and rear board, described front panel and rear board are connected by axis controller fin.
This utility model has the advantage that
1, this product module integrated level is high, and plug receptacle all can quick plug-in, it is simple to installs and safeguards.
2, mainstream chip STM8 single-chip microcomputer mature and stable on this product employing industrial market is as Master control chip, stable and reliable for performance.
3, this product both can realize moment of torsion control, it is also possible to realizes Angle ambiguity, it is also possible to the combination realizing them controls, and torque value, angle value are accurate, and concordance is good.
4, CAN is used to carry out communication, communication robust, and fast response time between this product modules.
5, it is designed with 5 buttons on this product master controller panel, coordinates numeral method can be separately provided technological parameter, it is not necessary to additionally to connect host computer, the cost of host computer can be saved.
6,1 master controller of this product can at most control 6 axis controllers, can carry out number of axle extension at the scene easily.
7, a set of control system just can control whole tightening device, it is not necessary to other components and parts, reduces volume and the cost of equipment greatly.
8, this products configuration has an On-off signal output interface, and can self defined interface again, be connected with the field control equipment such as PLC easily.
Accompanying drawing explanation
Fig. 1 is according to this utility model embodiment, the Facad structure schematic diagram of master controller based on CAN multi-functional tightening machine control system.
Fig. 2 is according to this utility model embodiment, the structure schematic diagram of master controller based on CAN multi-functional tightening machine control system.
Fig. 3 is according to this utility model embodiment, the electrical block diagram of master controller based on CAN multi-functional tightening machine control system.
Fig. 4 is according to this utility model embodiment, the Facad structure schematic diagram of axis controller based on CAN multi-functional tightening machine control system.
Fig. 5 is according to this utility model embodiment, the structure schematic diagram of axis controller based on CAN multi-functional tightening machine control system.
Fig. 6 is according to this utility model embodiment, the electrical block diagram of axis controller based on CAN multi-functional tightening machine control system.
Detailed description of the invention
With reference to the accompanying drawings this utility model is described more fully, exemplary embodiment of the present utility model is wherein described.
As shown in figs. 3 and 6, what this utility model provided includes a master controller and multiple (1-6) axis controller based on CAN multi-functional tightening machine control system, and the number of axis controller is determined by the number tightening axle.Wherein, described master controller includes the first control unit 15 and the first CAN communicating circuit 18 being connected with described first control unit 15, each described axis controller all includes the second control unit 39 and the second CAN communicating circuit 42 being connected with described second control unit 39, described first CAN communicating circuit 18 and described second CAN communicating circuit 42 communication connect, to realize the communication based on CAN between described master controller and axis controller.
Additionally, as shown in Figure 3, described master controller also includes first digital pipe display circuit the 16, first display lamp output circuit 17, button inputting circuits 19, On-off signal output circuit 21 and the serial communication circuit 20 being connected with described first control unit 15, and described On-off signal output circuit 21 is connected with operator panel buttons input circuit 22, panel leds output circuit 23 and electromagnetic valve output circuit 24.
Wherein, described first digital pipe display circuit 16, for showing the vehicle of correspondence, shows and tightens target torque, when a failure occurs corresponding to current vehicle, it is also possible to show corresponding failure code.Described first display lamp output circuit 17 is for the various states of display master controller: master controller power supply status, moment of torsion eligible state, the defective state of moment of torsion.Described button inputting circuits 19 is for setting every control parameter and the technological parameter of tightening machine, On-off signal output circuit 21 is used for driving operator panel buttons input circuit 22, panel leds output circuit 23 and the on-off model of electromagnetic valve output circuit 24, described operator panel buttons input circuit 22 is for being converted into on-off model by function button signal, and described on-off model is sent to On-off signal output circuit 21, described panel leds output circuit 23 is used for controlling functional indicator light, described electromagnetic valve output circuit 24 is used for driving electromagnetic valve, cylinder is promoted to complete to rise or fall action.
As shown in Figure 6, described axis controller also includes second digital pipe display circuit the 40, second display lamp output circuit 41, toggle switch input circuit 43, AD conversion input circuit 44, DA conversion output circuit 45 and the encoder input circuit 46 being connected with described second control unit 39, described AD conversion input circuit 44 is connected with torque sensor input circuit 47, and described DA conversion output circuit 45 and encoder input circuit 46 are connected with servomotor output circuit 48.
Wherein, described second digital pipe display circuit 40, for showing the vehicle of correspondence, showing the moment of torsion of rundown process in real time, shows at the end of tightening that this tightens the moment of torsion of result, when a failure occurs, it is also possible to show corresponding failure code.
Second display lamp output circuit 41 can show the various states of axis controller: axis controller power supply status, moment of torsion eligible state, the defective state of moment of torsion, rotates forward state, inverted status.
According to a preferred embodiment of the invention, described first control unit 15 and described second control unit 39 are STM8 single-chip microcomputer.
Below in conjunction with Fig. 3 and Fig. 6, operation principle based on CAN multi-functional tightening machine control system is described:
Master controller core circuit plate structure based on CAN multi-functional tightening machine control system as it is shown on figure 3, axis controller core circuit plate structure as shown in Figure 6.They are all to be its key control unit with multi-functional SOC(system on a chip) STM8 controller, are responsible for the input detection of various signals, output controls and the process task of data.A set of CAN multi-functional tightening machine control system is made up of a master controller and several axis controllers, and has a toggle switch input circuit 43 on each axis controller, may determine that the number of axle by stirring toggle switch；When the operator panel buttons input circuit 22 on master controller has detected the signal such as startup, reversion, number；When the operator panel buttons input circuit 22 on master controller has detected the signal such as startup, reversion, master controller is dealt into the CAN communicating circuit 42 of each axis controller rapidly by 18 signals detected of CAN communicating circuit, and each axis controller can react the instruction received at once；First the DA on axis controller changes output circuit 45 output voltage signal, coordinates STM8 control circuit 39 to control private and takes motor output circuit 48, thus drives AC servo motor driving mechanical to tighten axle to perform rundown process；Meanwhile, the encoder input circuit 46 of servo-driver scaling down processing is input to the enumerator of the second control unit 39 by optocoupler, is used for calculating angle value；In rundown process, the torque signal that torque sensor input circuit 47 collects is changed into voltage signal by AD conversion input circuit 44；Digital pipe display circuit 40 can show the torque value tightened in real time, and display lamp output circuit 41 can show tight condition in real time；After having tightened, the second control unit 39 meeting of each axis controller is sent to the CAN communicating circuit 18 of master controller tightening result by CAN communicating circuit 42；After the tight condition of all of axis controller is all sent to master controller, the first control unit 15 of master controller is handled it result, by On-off signal output circuit 21, is reacted to panel leds output circuit 23；First control unit 15 can control electromagnetic valve output circuit 24 and drives electromagnetic valve simultaneously, promotes cylinder to complete to rise or fall action, thus completes whole rundown process；Button inputting circuits 19 coordinates the first digital pipe display circuit 16 can set every control parameter and the technological parameter of tightening machine；First display lamp output circuit 17 can show the tight condition such as qualified, defective；Serial communication circuit 20 it is also equipped with on master controller, can be used to accept the various technological parameters tightened and the control parameter signal that external control computer transmits, complete various course of action according to these parameters, and these state procedure values are sent to external control computer by it.
It addition, as shown in Figure 1, 2, described master controller includes that front panel 1 and rear board 7, described front panel 1 and rear board 7 are connected by master controller fin 8.
As it is shown in figure 1, be provided with master controller plastic plate 2, master controller display screen 3, master controller button 4, master controller status indicator lamp 5 and master controller assembling screw 6 on master controller front panel 1.Wherein:
Master controller display screen 3 is corresponding with the first digital pipe display circuit 16, and lower row shows the vehicle of correspondence, and upper row shows and tightens target torque, when a failure occurs corresponding to current vehicle, it is also possible to show corresponding failure code.Such as, CAN communication abnormality, then show code E06；Vehicle mistake, then show code E02.
By master controller button 4, coordinate the setting data of master controller display screen 3 display, every control parameter and the technological parameter of tightening machine can be set.
Master controller status indicator lamp 5 is corresponding with the first display lamp output circuit 17, and it can show the various states of master controller: master controller power supply status, moment of torsion eligible state, the defective state of moment of torsion.
Master controller plastic plate 2 on master controller front panel 1 has been a decoration function, and master controller assembling screw 6 is the effect assembling front panel.
As shown in Figure 2, master controller rear board 7 is provided with master controller power interface 9, master controller CAN interface 10, master controller serial communication interface 11, On-off signal output interface 12, master controller mounting-positioning holes 13 and master controller assembling screw 14, and connect master controller front panel and master controller rear board is master controller fin 8.
As shown in Figure 4,5, described axis controller includes that front panel 25 and rear board 31, described front panel 25 and rear board 31 are connected by axis controller fin 32.
As shown in Figure 4, the front panel 25 of described axis controller is provided with axis controller plastic plate 26, axis controller display screen 27, axis controller status indicator lamp 28, axis controller torque signal actuator 29 and axis controller assembling screw 30.Wherein:
Axis controller display screen 27 is corresponding with the second digital pipe display circuit 40, lower row shows the vehicle of correspondence, and upper row shows the moment of torsion of rundown process in real time, shows that this tightens the moment of torsion of result at the end of tightening, when a failure occurs, it is also possible to show corresponding failure code.Such as, the number of axle selects mistake, then show E01；Sensor alarm, then show code E03；Driver is reported to the police, then show code E04.
Axis controller status indicator lamp 28 and the second display lamp output circuit 41, it can show the various states of axis controller: axis controller power supply status, moment of torsion eligible state, the defective state of moment of torsion, rotate forward state, inverted status.
Axis controller torque signal actuator 29 can regulate zero point and the gain of torque sensor detection signal.
Axis controller plastic plate 26 on axis controller front panel 25 has been a decoration function, and axis controller assembling screw 30 is the effect assembling front panel.
As shown in Figure 5, axis controller rear board 31 is provided with axis controller power interface 33, axis controller CAN interface 34, axis controller torque sensor interface 35, axis controller servo-driver interface 36, axis controller mounting-positioning holes 37 and axis controller assembling screw 38, and connect locating shaft controller front panel and axis controller rear board is axis controller fin 32.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the most all will change, this specification content should not be construed as restriction of the present utility model.
Claims (4)
1. one kind based on CAN multi-functional tightening machine control system, it is characterized in that, described system includes a master controller and multiple axis controller, described master controller includes the first control unit and the first CAN communicating circuit being connected with described first control unit, each described axis controller all includes that the second control unit and the second CAN communicating circuit being connected with described second control unit, described first CAN communicating circuit and described second CAN communicating circuit communication connect；
Described master controller also includes the first digital pipe display circuit, the first display lamp output circuit, button inputting circuits, On-off signal output circuit and the serial communication circuit being connected with described first control unit, and described On-off signal output circuit is connected with operator panel buttons input circuit, panel leds output circuit and electromagnetic valve output circuit；
Described axis controller also includes the second digital pipe display circuit, the second display lamp output circuit, toggle switch input circuit, AD conversion input circuit, DA conversion output circuit and the encoder input circuit being connected with described second control unit, described AD conversion input circuit is connected with torque sensor input circuit, and described DA conversion output circuit and encoder input circuit are connected with servomotor output circuit.
The most according to claim 1 based on CAN multi-functional tightening machine control system, it is characterised in that described first control unit and described second control unit are STM8 single-chip microcomputer.
The most according to claim 1 based on CAN multi-functional tightening machine control system, it is characterised in that described master controller includes that front panel and rear board, described front panel and rear board are connected by master controller fin.
The most according to claim 1 based on CAN multi-functional tightening machine control system, it is characterised in that described axis controller includes that front panel and rear board, described front panel and rear board are connected by axis controller fin.
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| CN201620218923.9U CN205427536U (en) | 2016-03-22 | 2016-03-22 | Screw up quick -witted control system based on CAN bus is multi -functional |
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| CN201620218923.9U CN205427536U (en) | 2016-03-22 | 2016-03-22 | Screw up quick -witted control system based on CAN bus is multi -functional |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180804A (en) * | 2020-10-15 | 2021-01-05 | 山东中车同力达智能机械有限公司 | Servo shaft control system that screws up based on etherCAT communication |
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2016
- 2016-03-22 CN CN201620218923.9U patent/CN205427536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180804A (en) * | 2020-10-15 | 2021-01-05 | 山东中车同力达智能机械有限公司 | Servo shaft control system that screws up based on etherCAT communication |
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