CN104065306B - The control circuit of a kind of steel seal processing unit (plant) and control method thereof - Google Patents
The control circuit of a kind of steel seal processing unit (plant) and control method thereof Download PDFInfo
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- CN104065306B CN104065306B CN201410264544.9A CN201410264544A CN104065306B CN 104065306 B CN104065306 B CN 104065306B CN 201410264544 A CN201410264544 A CN 201410264544A CN 104065306 B CN104065306 B CN 104065306B
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- control circuit
- switch
- circuit
- oil cylinder
- stopping
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- Stopping Of Electric Motors (AREA)
Abstract
The present invention relates to the control circuit of a kind of steel seal processing unit (plant) and use the control method of this circuit, described control circuit includes stroke limit control circuit, starts stopping control circuit, electric motor starting control circuit, wherein, electric motor starting control circuit is connected with startup stopping control circuit and stroke limit control circuit respectively.Described control method is divided into the startup in startup stopping control circuit, stopping, three kinds of mode of operations of emergent stopping, and the spacing setting of initial position, the spacing setting of home two kinds in stroke limit control circuit sets pattern.The control circuit of the present invention has the advantages such as simple in construction, working performance height and safety travel.
Description
Technical field
The present invention relates to the control circuit of a kind of steel seal processing unit (plant), specifically, relate to one
It is divided into the control of the steel seal processing unit (plant) of stroke limit control circuit, startup halt circuit, motor start circuit
Circuit and use the control method of this control circuit.
Background technology
During steel construction produces, having substantial amounts of connecting plate need to beat steel seal numbering, steel seal numbering workload is the hugest,
Beaing by hand that efficiency is low, quality is unstable, easy generation hammering industrial accident, it is higher but purchase that steel seal robs working performance
Put and use, maintenance cost high, operation impact is big, noise is big.
Chinese patent notification number CN201587139U discloses a kind of automatic stamping die, and it includes work top,
Including press moulding mechanism and automatic pusher structure on work top, press moulding mechanism includes that be located on work table top stands
Post, the top of column is provided with guide wheel, and guide wheel is provided with the upper mold contacted therewith, and upper mold one end is connected with slide rail, sliding
Rail contacts with pulley, and pulley contacts with stamping machine, and work top is provided with the lower mold corresponding with upper mold;
Described automatic pusher structure includes that product fixed mount, product fixed mount are provided with product, product and product push pedal
As contact, the both sides of product push pedal are provided with slip chute, are provided with pulley in slip chute, and pulley is connected with spring
Connect.But this technology relates only to automatic stamping die, and is not involved with the process that steel seal prints.
Prior art is also disclosed the startup of some other devices, stopping control circuit, such as China Patent No.
CN203301406U discloses a kind of novel energy-dissipating brake circuit, it include circuit breaker Q F, main contactor KM1,
Thermorelay FR1, stop button SB1, start button SB2, rectifier bridge D1, braking moment regulation circuit and
Braking time regulation circuit;Three-phase ac power cord successively through circuit breaker Q F, main contactor KM1 first normal
Open contact KM1-1, the coil of thermorelay FR1 is connected on three inputs of three phase electric machine M;Described system
Dynamic torque regulation circuit is made up of potentiometer RP, electric capacity C1, controllable silicon VS and stabilivolt VZ;Described braking
Time adjustment circuit is made up of tunable capacitor C2, auxiliary reclay KA1, resistance R and commutation diode VD,
Which solve the adjustable problem of braking moment of energy-dissipating brake circuit, but do not solve stroke limit with urgent
The problems such as braking.
Summary of the invention
Startup, stopping and brake hard and stroke limit electricity cannot be provided for prior art also exists
The technological deficiency on road, the present invention provides control circuit and the control method thereof of a kind of steel seal processing unit (plant).
In order to realize above-mentioned technical purpose, the technical solution used in the present invention is to provide a kind of steel seal and adds frock
The control circuit put and control method thereof, described control circuit includes stroke limit control circuit, starts stopping
Control circuit, electric motor starting control circuit, wherein, described electric motor starting control circuit respectively with described startup
Stopping control circuit is connected with stroke limit control circuit, is limited by described startup stopping control circuit and stroke
The feedback information of position control circuit controls the operating of motor.
The present invention provide a kind of preferred embodiment, described electric motor starting control circuit include motor and
The control switch that the motor contactor that motor connects is connected with motor contactor, connects with controlling switch
The first electric fuse connect and the second electric fuse, be connected to 220V by described first electric fuse and the second electric fuse
Civil power.
The present invention provide a kind of preferred embodiment, described startup stopping control circuit by potential device with
The city of 220V is electrically connected, and described line voltage is 220:36 with the transformation ratio of startup stopping control circuit.
A kind of preferred embodiment that the present invention provides, described startup stopping control circuit constitutes circuit loop
The order of connection be followed successively by the 3rd electric fuse, Hydraulic Station side emergency stop switch, workbench side emergency stop switch,
Hydraulic Station side stop button, workbench side stop button, on and off switch auxiliary contact and double by hilted broadsword
The workbench side start button of throw switch monolateral work in parallel and Hydraulic Station side start button, open with single-pole double throw
Close the catalyst connected, the thermorelay being connected with catalyst, the 4th electric fuse being connected with thermorelay.
A kind of preferred embodiment that the present invention provides, is also parallel with foot inside described startup stopping control circuit
Stepping on on-off circuit, described foot switch circuit comprises electromagnetic valve auxiliary contactor and foot switch.
The present invention provide a kind of preferred embodiment, described stroke limit control circuit by potential device with
The city of 220V is electrically connected, and described line voltage is 220:24 with the transformation ratio of stroke limit control circuit.
A kind of preferred embodiment that the present invention provides, the circuit loop that described stroke limit control circuit is constituted
Include rectification circuit, the 6th electric fuse, and be connected with rectification circuit overflow valve coil, rising threshold coil,
Lowering valve coil, oil cylinder safety work position lead limit switch, oil cylinder initial job position stroke limit are opened
Closing, wherein, described rectification circuit includes commutator, the 5th electric fuse, current switch.
The present invention provide a kind of preferred embodiment, described oil cylinder safety work position lead limit switch with
Oil cylinder initial job position lead limit switch belongs to cascaded structure.
A kind of preferred embodiment that the present invention provides, described overflow valve coil, rising threshold coil, lowering valve
Coil belongs to parallel-connection structure.
A kind of preferred embodiment that the present invention provides, described rectification circuit and rising threshold coil, on and off switch,
Oil cylinder safety work position lead limit switch, oil cylinder initial job position lead limit switch constitute primary Ioops,
Described rectification circuit constitutes primary Ioops, described rectification circuit and overflow valve line with lowering valve coil, on and off switch
Circle, on and off switch constitute primary Ioops.
A kind of preferred embodiment that the present invention provides, described control method includes using above-mentioned control circuit
In stopping, emergent stopping, three kinds of mode of operations of startup.
A kind of preferred embodiment that the present invention provides, described control method also includes respectively by described oil cylinder
Safety work position lead limit switch, oil cylinder initial job position lead limit switch set oil cylinder safety
Two kinds of setting patterns that job position stroke limit sets and oil cylinder initial job position stroke limit sets.
The solution have the advantages that: change cost height, risk and noise when tradition prints with steel seal rifle
Greatly, the poor efficiency beaten by hand and easily cause operator's hand injuries accident and the pneumatic HI high impact beating steel seal
And all kinds of technological deficiency such as big noise, it is provided that a kind of with stroke limit control circuit, start and stop controlling
Circuit, the control circuit of steel seal processing unit (plant) of electric motor starting control circuit and use the control of this control circuit
Method so that steel seal processing unit (plant) to have noise little, the advantage such as working performance height, safety travel.
Accompanying drawing explanation
Fig. 1 is integrated circuit structural representation of the present invention;
Fig. 2 is the motor start circuit schematic diagram of the present invention;
Fig. 3 is the startup halt circuit schematic diagram of the present invention;
Fig. 4 is the stroke limit control circuit schematic diagram of the present invention.
FU1-the first electric fuse;FU2-the second electric fuse;FU3-the 3rd electric fuse;FU4-the 4th electric fuse;FU5-
5th electric fuse;FU6-the 6th electric fuse;KM-rectifying contact device;KM1-motor contactor;KM2-hilted broadsword
Commutator;KM3-catalyst;SB1-Hydraulic Station side emergency stop switch;SB2-workbench side emergent stopping is opened
Close;SB3-workbench side stop button;SB4-Hydraulic Station side stop button;SB5-on and off switch auxiliary contact;
SB6-workbench side start button;SB7-Hydraulic Station side start button;QF1-on and off switch;K-electromagnetic valve is auxiliary
Adjuvant grafting tentaculum;QF2-controls switch;SB8-foot switch;YV1-overflow valve coil;YV2-rising threshold coil;
YV3-lowering valve coil;M-motor;SQ1-oil cylinder safety work position lead limit switch;SQ2-oil cylinder
Initial job position lead limit switch;K1, K2, K3-contactor;FR-thermorelay.
Detailed description of the invention
For the enforcement technical scheme of the clearer explanation present invention, below in conjunction with the accompanying drawings the present invention is done into one
The explanation of step.
Fig. 1 is integrated circuit structural representation of the present invention;Fig. 2 is the motor start circuit schematic diagram of the present invention;
Fig. 3 is the startup halt circuit schematic diagram of the present invention;Fig. 4 is the stroke limit control circuit signal of the present invention
Figure.As shown in Figure 1, Figure 2, Figure 3, Figure 4, control circuit includes stroke limit control circuit, starts and stop
Only circuit and motor start circuit, wherein, motor start circuit is the start-up circuit of motor, electric motor starting
Circuit is connected with the startup halt circuit in steel seal processing unit (plant) and stroke limit control circuit respectively.Startup stops
Only circuit can control the startup of hydraulic jack, stopping and three kinds of work patterns of emergent stopping, its operation principle:
When needs hydraulic jack works, i.e. by start button;When needs hydraulic jack quits work, both by stopping
Only button;When hydraulic jack works, run into emergency, when needing hydraulic jack to quit work at once,
I.e. by emergency stop switch.
In the present invention, emergency stop switch is provided with two, and one is arranged on workbench side, tight for workbench side
Anxious shutdown switch SB2, another is arranged on Hydraulic Station side, for Hydraulic Station side emergency stop switch SB1;Start
Button is provided with two, and one is arranged on workbench side, and for workbench side start button SB6, another is arranged on
Hydraulic Station side, for Hydraulic Station side start button SB7;Stop button is provided with two, and one is arranged on workbench side,
For workbench side stop button SB3, another is arranged on Hydraulic Station side, for Hydraulic Station side stop button SB4.
The operation principle of stroke limit control circuit is: by oil cylinder safety work position lead limit switch SQ1
Control the setting of oil cylinder safety work position stroke limit, and when oil cylinder operation facing to safety work position
During boundary's point, start oil cylinder safety work position lead limit switch SQ1 and regulate oil cylinder job position stroke;
Oil cylinder initial job position stroke limit is controlled by oil cylinder initial job position lead limit switch SQ2
Set, when oil cylinder initial job, start oil cylinder initial job position lead limit switch SQ2 and regulate oil
The position of cylinder initial job.
Shown in seeing figures.1.and.2, the circuit structure diagram of motor start circuit is: by the first electric fuse FU1
Civil power with the second electric fuse FU2 external world 220V.First electric fuse FU1 and the second electric fuse FU2 and control
Switch QF2 is connected, by control switch QF2 control motor start circuit and external 220V civil power logical,
Disconnected.Control switch QF2 and motor contactor KM1It is connected, by motor contactor KM1To motor M
Conveying electric current, actuating motor M.
With reference to shown in Fig. 1 and Fig. 3, wherein, Fig. 3 is the startup halt circuit schematic diagram of the present invention.Start
Halt circuit is electrically connected by the city of transformator with 220V, starts the voltage of halt circuit and the change of line voltage
Pressure ratio is 36:220, starts halt circuit and is additionally provided with the 3rd electric fuse FU3 and the 4th insurance with civil power junction
Silk FU4, described 3rd electric fuse FU3 and the 4th electric fuse FU4 play a protective role to starting halt circuit,
Prevent electric current excessive and damage startup halt circuit.The connection of each electronic devices and components in startup halt circuit
Order is the 3rd electric fuse FU3, Hydraulic Station side emergency stop switch SB1, workbench side emergency stop switch SB2,
Workbench side stop button SB3, Hydraulic Station side stop button SB4, on and off switch auxiliary contact SB5, pass through hilted broadsword
Commutator KM2Workbench side start button SB6 being connected in parallel and Hydraulic Station side start button SB7, catalyst
KM3, thermorelay FR, the 4th electric fuse FU4, thus constitute a circuit loop.Wherein, workbench side is opened
Dynamic button SB6 and Hydraulic Station side start button SB7 belong to monolateral startup, i.e. press when startup workbench side starts
During button SB6, Hydraulic Station side start button SB7 quits work;When starting Hydraulic Station side start button SB7,
Workbench side start button SB6 quits work.In the present invention, Hydraulic Station side emergency stop switch SB1, work
Station side emergency stop switch SB2, workbench side stop button SB3, Hydraulic Station side stop button SB4 are list
Double-pole double throw switch.Also being parallel with foot switch circuit in starting halt circuit, foot switch circuit comprises electricity
Magnet valve auxiliary contactor K and foot switch SB8, wherein, electromagnetic valve auxiliary contactor K and foot switch SB8
Belong to series connection.
With reference to shown in Fig. 1 and Fig. 4, wherein, Fig. 4 is stroke limit control circuit schematic diagram.Stroke limit
Control circuit is electrically connected by the city of potential device with 220V, stroke limit control circuit and the transformation ratio of civil power
For 24:220.Also include rectification circuit in stroke limit control circuit, described rectification circuit include commutator,
The rectifying contact device KM being connected with commutator, the 5th electric fuse FU5 being connected with rectifying contact device KM.It is expert at
In the control circuit of degree position, commutator successively with the 6th electric fuse FU6, rising threshold coil YV2, on and off switch
K3, oil cylinder safety work position lead limit switch, oil cylinder initial job position lead limit switch connect and compose
One closed-loop path.Commutator the most successively with the 6th electric fuse FU6, overflow valve coil YV1, on and off switch K2
Connect and compose a closed-loop path.Commutator the most successively with the 6th electric fuse FU6, lowering valve coil YV3, electricity
Source switch K1 connects and composes a closed-loop path.In the present invention, described overflow valve coil, rising threshold coil,
Lowering valve coil belongs to parallel-connection structure, oil cylinder safety work position lead limit switch and oil cylinder initial job position
Put lead limit switch and belong to cascaded structure.
The method of work of control circuit is: described control method comprises steel seal by described control circuit and adds frock
The stopping putting, emergent stopping, three kinds of mode of operations of startup.Described control method also includes by described oil cylinder
Safety work position lead limit switch, oil cylinder initial job position lead limit switch set oil cylinder safety
Job position stroke limit sets and oil cylinder initial job position stroke limit sets two kinds and sets pattern.
Embodiment described above only have expressed embodiments of the present invention, and it describes more detailed, if ability
The technical staff in territory is after viewing embodiments of the invention, on the premise of present inventive concept, is done
Change broadly fall into protection scope of the present invention.But embodiment as herein described is it is not intended that to the present invention's
Protection domain limits.
Claims (9)
1. the control circuit of a steel seal processing unit (plant), it is characterized in that, described control circuit includes stroke limit control circuit, starts stopping control circuit, electric motor starting control circuit, wherein, described electric motor starting control circuit is connected with described startup stopping control circuit and stroke limit control circuit respectively, controlled stopping and the operating of motor by the feedback information of described startup stopping control circuit and stroke limit control circuit, described electric motor starting control circuit includes the motor contactor (KM that motor (M) is connected with motor (M)1) and motor contactor (KM1) connect control switch (QF2), the first electric fuse (FU1) being connected with control switch (QF2) and the second electric fuse (FU2), the civil power of 220V it is connected to by described first electric fuse (FU1) and the second electric fuse (FU2), the order of connection starting stopping control circuit composition circuit loop is followed successively by the 3rd electric fuse (FU3), Hydraulic Station side emergency stop switch (SB1), workbench side emergency stop switch (SB2), Hydraulic Station side stop button (SB3), workbench side stop button (SB4), on and off switch auxiliary contact (SB5), and by single-pole double-throw switch (SPDT) (KM2) workbench side start button (SB6) of monolateral work in parallel and Hydraulic Station side start button (SB7), with single-pole double-throw switch (SPDT) (KM2) catalyst (KM that connects3), with catalyst (KM3) be connected thermorelay (FR), the 4th electric fuse (FU4) being connected with thermorelay (FR), also being parallel with foot switch circuit inside described startup stopping control circuit, described foot switch circuit comprises electromagnetic valve auxiliary contactor (SB8) and foot switch (K).
The control circuit of steel seal processing unit (plant) the most according to claim 1, it is characterised in that described startup stopping control circuit is electrically connected by the city of potential device with 220V, described line voltage is 220:36 with the transformation ratio of startup stopping control circuit.
The most according to claim 1, the control circuit of steel seal processing unit (plant), it is characterised in that described stroke limit control circuit is electrically connected by the city of potential device with 220V, described line voltage is 220:24 with the transformation ratio of stroke limit control circuit.
The control circuit of steel seal processing unit (plant) the most according to claim 3, it is characterized in that, the circuit loop that described stroke limit control circuit is constituted includes rectification circuit, 6th electric fuse (FU6), and be connected with rectification circuit overflow valve coil YV1, rising threshold coil YV2, lowering valve coil YV3, oil cylinder safety work position lead limit switch SQ1, oil cylinder initial job position lead limit switch SQ2, wherein, described rectification circuit includes commutator, the 5th electric fuse (FU5), current switch.
The control circuit of steel seal processing unit (plant) the most according to claim 4, it is characterised in that described oil cylinder safety work position lead limit switch SQ1 and oil cylinder initial job position lead limit switch SQ2 belongs to cascaded structure.
The control circuit of steel seal processing unit (plant) the most according to claim 4, it is characterised in that described overflow valve coil YV1, rising threshold coil YV2, lowering valve coil YV3 belong to parallel-connection structure.
7. according to described control circuit arbitrary in claim 4-6, it is characterized in that, described rectification circuit and rising threshold coil YV2, on and off switch K3, oil cylinder safety work position lead limit switch SQ1, oil cylinder initial job position lead limit switch SQ1 constitute primary Ioops, described rectification circuit and lowering valve coil YV3, on and off switch K1 constitute primary Ioops, and described rectification circuit and overflow valve coil YV1, on and off switch K2 constitute primary Ioops.
8. the control method of a steel seal processing unit (plant), it is characterised in that, described control method includes the stopping in control circuit described in use claim 7, emergent stopping, three kinds of mode of operations of startup.
9. the control method of a steel seal processing unit (plant), it is characterized in that, described control method also includes by using oil cylinder safety work position lead limit switch SQ1 described in claim 7 to set the stroke limit setting of oil cylinder safety work position, and uses described oil cylinder initial job position lead limit switch SQ2 to set two kinds of setting patterns that oil cylinder initial job position stroke limit sets.
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CN201410264544.9A CN104065306B (en) | 2014-06-13 | 2014-06-13 | The control circuit of a kind of steel seal processing unit (plant) and control method thereof |
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CN104065306B true CN104065306B (en) | 2016-08-24 |
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CN104977865A (en) * | 2015-06-23 | 2015-10-14 | 上海中远川崎重工钢结构有限公司 | Control circuit of large-scale steel member rectification apparatus |
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CN201490696U (en) * | 2009-08-12 | 2010-05-26 | 王笑丽 | Protection circuit |
CN202186140U (en) * | 2011-08-15 | 2012-04-11 | 上海烟草集团有限责任公司 | Position detecting device of cigarette mark printing bracket and cigarette mark printing system |
CN102881113A (en) * | 2012-09-27 | 2013-01-16 | 河南宏博重型机械有限公司 | Automatic monitoring, alarming and controlling method and automatic monitoring, alarming and controlling device for stroke limit tests |
CN202696520U (en) * | 2012-07-27 | 2013-01-23 | 大唐阳城发电有限责任公司 | Frame switch control loop with motor controller |
CN103236817A (en) * | 2013-05-16 | 2013-08-07 | 湖南长重机器股份有限公司 | Novel industrial equipment safety device |
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2014
- 2014-06-13 CN CN201410264544.9A patent/CN104065306B/en not_active Expired - Fee Related
Patent Citations (6)
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US5341080A (en) * | 1991-11-06 | 1994-08-23 | General Electric Company | Apparatus and three phase induction motor starting and stopping control method |
CN201490696U (en) * | 2009-08-12 | 2010-05-26 | 王笑丽 | Protection circuit |
CN202186140U (en) * | 2011-08-15 | 2012-04-11 | 上海烟草集团有限责任公司 | Position detecting device of cigarette mark printing bracket and cigarette mark printing system |
CN202696520U (en) * | 2012-07-27 | 2013-01-23 | 大唐阳城发电有限责任公司 | Frame switch control loop with motor controller |
CN102881113A (en) * | 2012-09-27 | 2013-01-16 | 河南宏博重型机械有限公司 | Automatic monitoring, alarming and controlling method and automatic monitoring, alarming and controlling device for stroke limit tests |
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