CN202366676U - Automatic control system of bulking machine - Google Patents
Automatic control system of bulking machine Download PDFInfo
- Publication number
- CN202366676U CN202366676U CN2011205390566U CN201120539056U CN202366676U CN 202366676 U CN202366676 U CN 202366676U CN 2011205390566 U CN2011205390566 U CN 2011205390566U CN 201120539056 U CN201120539056 U CN 201120539056U CN 202366676 U CN202366676 U CN 202366676U
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- programmable logic
- logic controller
- bulking machine
- current
- control valve
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Abstract
The utility model discloses an automatic control system of a bulking machine, which comprises a current transformer, a current transmitter, a voltage transmitter, an electric control valve opening angle feedback unit, input/output equipment and a programmable logic controller, wherein the current transformer is used for converting current of a master motor of the bulking machine into an electric signal and transmitting the electric signal to the current transmitter; the current transmitter is used for converting the received electric signal into a current signal and transmitting the current signal into the programmable logic controller; the pressure transmitter is used for converting hydraulic pressure in a cone die head of the bulking machine into a current signal and transmitting the current signal into the programmable logic controller; the electric control valve opening angle feedback unit is used for converting the opening angle of an electric control valve communicated with a steam cylinder into a current signal and transmitting the current signal to the programmable logic controller; the input/output equipment is connected with the programmable logic controller and used for inputting control parameters, working parameters and state display; and the programmable logic controller is connected with the electric control valve, an electromagnetic valve and an electromagnetic steering valve. The automatic control system of the bulking machine, disclosed by the utility model, is stable in performance and low in energy consumption.
Description
Technical field
The utility model relates to the bulking machine technical field, specifically a kind of bulking machine automatic control system.
Background technology
In manufacture fields such as grain and oil, food industry, bulking machine has widely to be used.In the bulking machine course of work, because the material uneven (being that material is erratic) of feeding bulking machine like this, causes the waste of steam when material is very few, vapor volume caused expansion effect not good inadequately when material was too much.In addition, if material is impure more, cause the bulking machine overload, drive belt slip is burnt motor when serious, at this moment, must shut down.The labor cleaning is blocked in the material in the cabinet, and production line is stopped production.Simultaneously can't directly monitoring hydraulic pressure prod cast hair oil cylinder pressure during ordinary production, adjustment hydraulic pressure prod cast hair oil cylinder pressure is also pretty troublesome.
For solving the problems such as production line stopping production that waste, expansion effect are not good, overload causes of the steam that above-mentioned existing bulking machine exists; And prevent that overload from damaging motor can directly monitoring hydraulic pressure prod cast oil cylinder working-pressure; Can conveniently adjust hydraulic pressure prod cast oil cylinder working-pressure; The design people actively studies and innovates, and founds out a kind of novel bulking machine automatic control system, makes it have practicality more.
The utility model content
In order to solve the problems referred to above that exist in the prior art, the utility model provides a kind of bulking machine automatic control system.The bulking machine automatic control system stable performance of the utility model, energy consumption is low.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
The bulking machine automatic control system comprises:
Current transformer converts bulking machine master current of electric the signal of telecommunication into and passes to current transducer;
Current transducer converts the current signal that receives current signal into and passes to programmable logic controller (PLC) (PLC);
Pressure transmitter will convert current signal to and pass to programmable logic controller (PLC) with the hydraulic pressure in the prod cast hair oil cylinder that the prod cast head of bulking machine is connected;
Electric control valve opening angle feedback unit converts the actual opening angle of the electric control valve that is communicated with cylinder current signal to and passes to programmable logic controller (PLC);
Input-output equipment is connected with programmable logic controller (PLC), is used for input control parameter and running parameter and state and shows;
Programmable logic controller (PLC) also is connected with electric control valve, magnetic valve and solenoid directional control valve; Wherein, electric control valve is communicated with steam station and gas-distributing cylinder, and magnetic valve is communicated with gas-distributing cylinder and bulking machine, and solenoid directional control valve is communicated with Hydraulic Station and prod cast hair oil cylinder.
Further, also comprise temperature sensor, said temperature sensor is connected with programmable logic controller (PLC), and said programmable logic controller (PLC) is connected with temperature alarming device.
Further, said temperature sensor is a plurality of, is arranged at discharging opening, bearing housing and the gas-distributing cylinder of bulking machine respectively.
Compared with prior art, the beneficial effect of the utility model is:
The utility model the bulking machine automatic control system have automaticity height, dependable performance, easy to operate, easy to maintenance, practice thrift manpower, advantage such as cut down the consumption of energy, enhance productivity, guaranteed that effectively production line moves continuously.
Description of drawings
Fig. 1 is the structured flowchart of the bulking machine automatic control system of the utility model;
Fig. 2 is the schematic diagram to prod cast hair oil cylinder control section of the utility model;
Fig. 3 is the schematic diagram to the electric control valve control section of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail, but not as the qualification to the utility model.
Fig. 1 is the structured flowchart of the bulking machine automatic control system of the utility model; Fig. 2 is the schematic diagram to prod cast hair oil cylinder control section of the utility model; Fig. 3 is the schematic diagram to the electric control valve control section of the utility model.To shown in Figure 3, the bulking machine automatic control system comprises: current transformer 1 is the signal of telecommunication of 0～5A and passes to current transducer 3 bulking machine master motor 2 current conversion like Fig. 1; Current transducer 3 converts the current signal that receives the current signal of 4～20mA into and passes to programmable logic controller (PLC) 4 (PLC); Pressure transmitter 5 will convert the 4-20mA current signal to and pass to programmable logic controller (PLC) 4 with the hydraulic pressure in the prod cast hair oil cylinder 7 that the prod cast head 6 of bulking machine is connected; Electric control valve opening angle feedback unit 8 converts current signal to and passes to programmable logic controller (PLC) 4 being communicated with the actual opening angle of gas-distributing cylinder 10 with the electric control valve 12 at steam station 11; Input-output equipment 9 is connected with programmable logic controller (PLC) 4, is used for input control parameter and running parameter and state and shows; Programmable logic controller (PLC) 4 also is connected with electric control valve 12, magnetic valve 13 and solenoid directional control valve 14; Wherein, electric control valve 12 is communicated with steam station 11 and gas-distributing cylinder 10, and magnetic valve 13 is communicated with gas-distributing cylinder 10 and bulking machine 15, and solenoid directional control valve 14 is communicated with Hydraulic Station 20 and prod cast hair oil cylinder 7.Also comprise temperature sensor 16, temperature sensor is connected with programmable logic controller (PLC), and programmable logic controller (PLC) is connected with temperature alarming device 17.Temperature sensor 16 is a plurality of, is arranged at different points for measuring temperature respectively, with the temperature of monitoring bulking machine critical piece, when the temperature of sensor acquisition surpasses limit value, sends warning, and the alert shutdown inspection is with the protection bulking machine.Discharging opening 18, bearing housing 19 and gas-distributing cylinder 10 at bulking machine in the present embodiment are respectively arranged with temperature sensor 16, with the temperature of discharging opening temperature, bearing housing temperature and the gas-distributing cylinder of gathering bulking machine.
The input-output equipment 9 of the utility model is connected with programmable logic controller (PLC) 4 communications, can demonstrate electric current, temperature control, the pressure of Hydraulic Station, the monitoring magnetic valve state of bulking machine master motor, the unlatching value of adjustment electric control valve.Can store simultaneously and change in a week with interior main frame current temperature, pressure.
When the bulking machine charging is worked; The electric current of bulking machine master motor 2 can change, and (bulking machine inlet amount electric current after a little while is little; Charging electric current for a long time is big) utilize this characteristics, the bulking machine master current of electric when for example bulking machine reaches ordinary production output is 400A, the unlatching value of electric control valve 12 is 100%.Programmable logic controller (PLC) 4 calculates the unlatching value of electric control valve 12 according to logical relation between bulking machine main frame electric current and the valve; And export a corresponding current signal and give electric control valve 12; The angle that electric control valve 12 comes Open valve with current signal in view of the above; Regulate towards the vapor flow rate of gas-distributing cylinder 10, while electric control valve opening angle feedback unit 8 becomes a current signal to the opening angle of electric control valve 12 and feeds back to programmable logic controller (PLC) 4.For example actual bulking machine master current of electric is 300A, and 0-20mA signal of telecommunication of PLC output at this moment makes valve actual angle 75% for electric control valve.Actual opening angle can show from input-output equipment 9.Reach optimum value if can adjust parameter from " main valve is provided with automatically " part of input-output equipment 9 when vapor volume is excessive or not enough.The opening and closing of control magnetic valve 13 also are to utilize main current of electric to accomplish; After the current data of magnetic valve 13 keyings that input from input-output equipment 9 is set; This current data passes to programmable logic controller (PLC) 4; When the actual current of bulking machine master motor 2 during greater than the current data set, programmable logic controller (PLC) 4 sends instruction lets magnetic valve 13 open; When the actual current of bulking machine master motor 2 during less than the current data set, programmable logic controller (PLC) 4 sends instruction lets magnetic valve 13 close, thereby the control gas-distributing cylinder leads to the vapor flow rate of bulking machine.Utilize solenoid directional control valve 14 controls to get into the oily flow path direction of prod cast hair oil cylinder 7, thereby realize push-and-pull prod cast head 6.When bulking machine master motor 2 electric currents reach the setting electric current of input-output equipment 9; Programmable logic controller (PLC) 4 output signals make the oily flow path direction of solenoid directional control valve 14 energising control prod cast hair oil cylinders 7; Pull out prod cast head 6 through prod cast hair oil cylinder 7, make bulking machine discharge the material of overload.When the electric current of bulking machine master motor 2 drops to the low current of input-output equipment 9 settings; Programmable logic controller (PLC) 4 sends command signal and gives hydraulic system; Solenoid directional control valve 14 is changed direction, and changes oily flow path direction, and control prod cast hair oil cylinder 7 pushes over normal operating position with prod cast head 6.Hydraulic pressure in the prod cast hair oil cylinder 7 is transformed into current signal through pressure transmitter 5 and gives programmable logic controller (PLC) 4 simultaneously, and when reaching the hydraulic pressure of input-output equipment 9 settings, hydraulic electric motor quits work.When Hydraulic Station pressure was lower than the low pressure limit value of setting in the input-output equipment 9, programmable logic controller (PLC) 4 control oil pumps are task again, and during the upper pressure limit value of in input-output equipment, setting, the PLC controls hydraulic electric motor stops.
Above embodiment is merely the exemplary embodiment of the utility model, is not used in restriction the utility model, and the protection domain of the utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in the essence and protection domain of the utility model, this modification or be equal to replacement and also should be regarded as dropping in the protection domain of the utility model.
Claims (3)
1. the bulking machine automatic control system is characterized in that, comprising:
Current transformer converts bulking machine master current of electric the signal of telecommunication into and passes to current transducer;
Current transducer converts the current signal that receives current signal into and passes to programmable logic controller (PLC);
Pressure transmitter will convert current signal to and pass to programmable logic controller (PLC) with the hydraulic pressure in the prod cast hair oil cylinder that the prod cast head of bulking machine is connected;
Electric control valve opening angle feedback unit converts the actual opening angle of the electric control valve that is communicated with gas-distributing cylinder current signal to and passes to programmable logic controller (PLC);
Input-output equipment is connected with programmable logic controller (PLC), is used for input control parameter and running parameter and state and shows;
Programmable logic controller (PLC) also is connected with electric control valve, magnetic valve and solenoid directional control valve; Wherein, electric control valve is communicated with steam station and gas-distributing cylinder, and magnetic valve is communicated with gas-distributing cylinder and bulking machine, and solenoid directional control valve is communicated with Hydraulic Station and prod cast hair oil cylinder.
2. bulking machine automatic control system according to claim 1 is characterized in that, also comprises temperature sensor, and said temperature sensor is connected with programmable logic controller (PLC), and said programmable logic controller (PLC) is connected with temperature alarming device.
3. bulking machine automatic control system according to claim 2 is characterized in that, said temperature sensor is a plurality of, is arranged at discharging opening, bearing housing and the gas-distributing cylinder of bulking machine respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205390566U CN202366676U (en) | 2011-12-21 | 2011-12-21 | Automatic control system of bulking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205390566U CN202366676U (en) | 2011-12-21 | 2011-12-21 | Automatic control system of bulking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202366676U true CN202366676U (en) | 2012-08-08 |
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ID=46590401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205390566U Expired - Lifetime CN202366676U (en) | 2011-12-21 | 2011-12-21 | Automatic control system of bulking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202366676U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226339A (en) * | 2012-01-30 | 2013-07-31 | 无锡日窒热交换机器有限公司 | Assembly pressure monitoring device for corrugated plate component |
| CN103235551A (en) * | 2013-04-26 | 2013-08-07 | 牧羊有限公司 | Control system for bypassing material guide and control method thereof |
-
2011
- 2011-12-21 CN CN2011205390566U patent/CN202366676U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103226339A (en) * | 2012-01-30 | 2013-07-31 | 无锡日窒热交换机器有限公司 | Assembly pressure monitoring device for corrugated plate component |
| CN103235551A (en) * | 2013-04-26 | 2013-08-07 | 牧羊有限公司 | Control system for bypassing material guide and control method thereof |
| CN103235551B (en) * | 2013-04-26 | 2015-07-22 | 牧羊有限公司 | Control system for bypassing material guide and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
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| CX01 | Expiry of patent term |