CN104065306A - Control circuit of steel seal machining device and control method of control circuit - Google Patents
Control circuit of steel seal machining device and control method of control circuit Download PDFInfo
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- CN104065306A CN104065306A CN201410264544.9A CN201410264544A CN104065306A CN 104065306 A CN104065306 A CN 104065306A CN 201410264544 A CN201410264544 A CN 201410264544A CN 104065306 A CN104065306 A CN 104065306A
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- control circuit
- switch
- oil cylinder
- circuit
- control method
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Abstract
The invention relates to a control circuit of a steel seal machining device and a control method of the control circuit. The control circuit comprises a stroke limiting control circuit, a starting and stopping control circuit and a motor starting control circuit, wherein the motor starting control circuit is respectively connected with the starting and stopping control circuit and the stroke limiting control circuit. The control method involves three operation modes of starting, stopping and sudden stopping of the starting and stopping control circuit and two setting modes of initial position limiting setting and safety position limiting setting of the stroke limiting control circuit. The control circuit has the advantages of being simple in structure, high in operation efficiency, safe in stroke and the like.
Description
Technical field
The present invention relates to a kind of control circuit of steel seal processing unit (plant), specifically, relate to be a kind ofly divided into stroke limit control circuit, start halt circuit, motor start circuit steel seal processing unit (plant) control circuit and use the control method of this control circuit.
Background technology
During steel construction is produced, have a large amount of connecting plates need beat steel seal numbering, steel seal numbering workload is very huge, beats by hand that efficiency is low, quality is unstable, hammering industrial accident easily occurs, steel seal rob operating efficiency higher but purchase and use, maintenance cost high, that operation is impacted is large, noise is large.
Chinese patent notification number CN201587139U discloses a kind of automatic stamping die, it comprises work top, on work top, comprise press moulding mechanism and automatic pusher structure, press moulding mechanism comprises the column being located on work table top, and the top of column is provided with guide wheel, and guide wheel is provided with the patrix contacting with it, patrix one end is connected with slide rail, slide rail contacts with pulley, and pulley contacts with stamping machine, and work top is provided with the counterdie corresponding with patrix; Described automatic pusher structure comprises product fixed mount, and product fixed mount is provided with product, and product looks like to contact with product push pedal, and the both sides of product push pedal are provided with slip chute, in slip chute, are provided with pulley, and pulley is connected with spring.But this technology only relates to automatic stamping die, and do not relate to the process that steel seal is printed.
Startup, the stopping control circuit of some other devices were also disclosed in prior art, as China Patent No. CN203301406U discloses a kind of novel energy-dissipating brake circuit, it comprises circuit breaker Q F, main contactor KM1, thermal relay FR1, stop button SB1, start button SB2, rectifier bridge D1, brake torque regulating circuit and braking time regulating circuit; Three-phase ac power cord is connected on three inputs of three phase electric machine M through the coil of the first normally opened contact KM1-1, the thermal relay FR1 of circuit breaker Q F, main contactor KM1 successively; Described brake torque regulating circuit is made up of potentiometer RP, capacitor C 1, controllable silicon VS and voltage-stabiliser tube VZ; Described braking time regulating circuit is made up of tunable capacitor C2, auxiliary relay KA1, resistance R and rectifier diode VD, and it has solved the adjustable problem of brake torque of energy-dissipating brake circuit, but does not solve the problem such as stroke limit and brake hard.
Summary of the invention
Cannot provide startup for existing in prior art, stop and the technological deficiency of brake hard and stroke limit circuit, the invention provides a kind of control circuit and control method thereof 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 control circuit and control method thereof of steel seal processing unit (plant), described control circuit comprises stroke limit control circuit, starts stopping control circuit, electric motor starting control circuit, wherein, described electric motor starting control circuit is connected with stroke limit control circuit with described startup stopping control circuit respectively, controls the running of motor by the feedback information of described startup stopping control circuit and stroke limit control circuit.
A kind of preferred embodiment provided by the invention, described electric motor starting control circuit comprises motor, the motor contactor being connected with motor, the control switch being connected with motor contactor, the first fuse being connected with control switch and the second fuse, be connected to the civil power of 220V by described the first fuse and the second fuse.
A kind of preferred embodiment provided by the invention, described startup stopping control circuit is connected with the civil power of 220V by potential device, and described line voltage is 220:36 with the transformation ratio that starts stopping control circuit.
A kind of preferred embodiment provided by the invention, the order of connection in described startup stopping control circuit forming circuit loop is followed successively by the 3rd fuse, Hydraulic Station side emergency stop switch, workbench side emergency stop switch, Hydraulic Station side stop button, workbench side stop button, mains switch auxiliary contact and workbench side start button and Hydraulic Station side start button by single-pole double-throw switch (SPDT) monolateral work in parallel, the contactor being connected with single-pole double-throw switch (SPDT), the thermal relay being connected with contactor, the 4th fuse being connected with thermal relay.
A kind of preferred embodiment provided by the invention, described startup stopping control circuit inside is also parallel with foot switch circuit, and described foot switch circuit comprises electromagnetically operated valve auxiliary contactor and foot switch.
A kind of preferred embodiment provided by the invention, described stroke limit control circuit is connected with the civil power of 220V by potential device, and the transformation ratio of described line voltage and stroke limit control circuit is 220:24.
A kind of preferred embodiment provided by the invention, the circuit loop that described stroke limit control circuit forms includes rectification circuit, the 6th fuse, and the overflow valve coil being connected with rectification circuit, rising threshold coil, lowering valve coil, oil cylinder safety work position lead limit switch, oil cylinder initial job position lead limit switch, wherein, described rectification circuit comprises rectifier, the 5th fuse, current switch.
A kind of preferred embodiment provided by the invention, described oil cylinder safety work position lead limit switch and oil cylinder initial job position lead limit switch belong to cascaded structure.
A kind of preferred embodiment provided by the invention, described overflow valve coil, rising threshold coil, lowering valve coil belong to parallel-connection structure.
A kind of preferred embodiment provided by the invention, described rectification circuit and rising threshold coil, mains switch, oil cylinder safety work position lead limit switch, oil cylinder initial job position lead limit switch form a loop, described rectification circuit and lowering valve coil, mains switch form a loop, and described rectification circuit and overflow valve coil, mains switch form a loop.
A kind of preferred embodiment provided by the invention, described control method comprises and uses stopping in above-mentioned control circuit, emergent stopping, three kinds of mode of operations of startup.
A kind of preferred embodiment provided by the invention, described control method also comprises respectively sets by described oil cylinder safety work position lead limit switch, oil cylinder initial job position lead limit switch two kinds of set models that oil cylinder safety work position stroke limit is set and oil cylinder initial job position stroke limit is set.
Technique effect of the present invention is: cost when having changed tradition and printing with steel seal rifle is high, risk and noise large, beat by hand inefficient and easily cause operator's hand injury accident and the pneumatic all kinds of technological deficiency such as HI high impact and large noise of beating steel seal, provide a kind of with stroke limit control circuit, start stopping control circuit, electric motor starting control circuit steel seal processing unit (plant) control circuit and use the control method of this control circuit, thereby it is little to make steel seal processing unit (plant) have noise, operating efficiency is high, the stroke advantage such as safely.
Brief description of the drawings
Fig. 1 is integrated circuit structural representation of the present invention;
Fig. 2 is motor start circuit schematic diagram of the present invention;
Fig. 3 is startup halt circuit schematic diagram of the present invention;
Fig. 4 is stroke limit control circuit schematic diagram of the present invention.
FU1-the first fuse; FU2-the second fuse; FU3-the 3rd fuse; FU4-the 4th fuse; FU5-the 5th fuse; FU6-the 6th fuse; KM-rectification contactor; KM
1-motor contactor; KM
2-single-pole double-throw switch (SPDT); KM
3-contactor; SB1-Hydraulic Station side emergency stop switch; SB2-workbench side emergency stop switch; SB3-workbench side stop button; SB4-Hydraulic Station side stop button; SB5-mains switch auxiliary contact; SB6-workbench side start button; SB7-Hydraulic Station side start button; QF1-mains switch; K-electromagnetically operated valve auxiliary contactor; QF2-control 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-thermal relay.
Embodiment
For clearer explanation enforcement technical scheme of the present invention, below in conjunction with accompanying drawing, the present invention is described further.
Fig. 1 is integrated circuit structural representation of the present invention; Fig. 2 is motor start circuit schematic diagram of the present invention; Fig. 3 is startup halt circuit schematic diagram of the present invention; Fig. 4 is stroke limit control circuit schematic diagram of the present invention.As shown in Figure 1, Figure 2, Figure 3, Figure 4, control circuit comprises stroke limit control circuit, starts halt circuit and motor start circuit, wherein, motor start circuit is the start-up circuit of motor, and motor start circuit is connected with stroke limit control circuit with the startup halt circuit in steel seal processing unit (plant) respectively.Starting halt circuit can control the startup of hydraulic jack, stop and three kinds of work patterns of emergent stopping its operation principle: in the time that needs hydraulic jack is worked, press start button; In the time that needs hydraulic jack quits work, both pressed stop button; In the time that hydraulic jack is worked, run into emergency, while needing hydraulic jack to quit work at once, by emergency stop switch.
In the present invention, emergency stop switch is provided with two, and one is arranged on workbench side, is workbench side emergency stop switch SB2, and another is arranged on Hydraulic Station side, is Hydraulic Station side emergency stop switch SB1; Start button is provided with two, and one is arranged on workbench side, is workbench side start button SB6, and another is arranged on Hydraulic Station side, is Hydraulic Station side start button SB7; Stop button is provided with two, and one is arranged on workbench side, is workbench side stop button SB3, and another is arranged on Hydraulic Station side, is Hydraulic Station side stop button SB4.
The operation principle of stroke limit control circuit is: control the setting of oil cylinder safety work position stroke limit by oil cylinder safety work position lead limit switch SQ1, and when oil cylinder operation is during to the critical point of safety work position, start oil cylinder safety work position lead limit switch SQ1 and regulate oil cylinder job position stroke; Control the setting of oil cylinder initial job position stroke limit by oil cylinder initial job position lead limit switch SQ2, in the time of oil cylinder initial job, startup oil cylinder initial job position lead limit switch SQ2 regulates the position of oil cylinder initial job.
Shown in seeing figures.1.and.2, the circuit structure diagram of motor start circuit is: by the civil power of the first fuse FU1 and the extraneous 220V of the second fuse FU2.The first fuse FU1 is connected with control switch QF2 with the second fuse FU2, controls the switching of motor start circuit and external 220V civil power by control switch QF2.Control switch QF2 and motor contactor KM
1be connected, by motor contactor KM
1carry electric current, actuating motor M to motor M.
Shown in Fig. 1 and Fig. 3, wherein, Fig. 3 is startup halt circuit schematic diagram of the present invention.Starting halt circuit is connected with the civil power of 220V by transformer; starting the voltage of halt circuit and the transformation ratio of line voltage is 36:220; start halt circuit and civil power junction and be also provided with the 3rd fuse FU3 and the 4th fuse FU4; described the 3rd fuse FU3 and the 4th fuse FU4 to start halt circuit play a protective role, prevent electric current excessive and damage start halt circuit.The order of connection that starts each electronic devices and components in halt circuit is the 3rd 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, mains switch auxiliary contact SB5, by single-pole double-throw switch (SPDT) KM
2the workbench side start button SB6 being connected in parallel and Hydraulic Station side start button SB7, contactor KM
3, thermal relay FR, the 4th fuse FU4, thus form a circuit loop.Wherein, workbench side start button SB6 and Hydraulic Station side start button SB7 belong to monolateral startup, and, in the time starting workbench side start button SB6, Hydraulic Station side start button SB7 quits work; In the time 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, workbench side emergency stop switch SB2, workbench side stop button SB3, Hydraulic Station side stop button SB4 is single-pole double-throw switch (SPDT).In startup halt circuit, be also parallel with foot switch circuit, foot switch circuit comprises electromagnetically operated valve auxiliary contactor K and foot switch SB8, and wherein, electromagnetically operated valve auxiliary contactor K and foot switch SB8 belong to series connection.
Shown in Fig. 1 and Fig. 4, wherein, Fig. 4 is stroke limit control circuit schematic diagram.Stroke limit control circuit is connected with the civil power of 220V by potential device, and the transformation ratio of stroke limit control circuit and civil power is 24:220.In stroke limit control circuit, also comprise rectification circuit, the rectification contactor KM that described rectification circuit comprises rectifier, is connected with rectifier, the 5th fuse FU5 being connected with rectification contactor KM.In stroke limit control circuit, rectifier successively with the 6th fuse FU6, rising threshold coil YV2, mains switch K3, oil cylinder safety work position lead limit switch, oil cylinder initial job position lead limit switch connect and compose a closed-loop path.Rectifier also connects and composes a closed-loop path with the 6th fuse FU6, overflow valve coil YV1, mains switch K2 successively.Rectifier also connects and composes a closed-loop path with the 6th fuse FU6, lowering valve coil YV3, mains switch K1 successively.In the present invention, described overflow valve coil, rising threshold coil, lowering valve coil belong to parallel-connection structure, and oil cylinder safety work position lead limit switch and oil cylinder initial job position lead limit switch belong to cascaded structure.
The method of work of control circuit is: described control method comprises the stopping of steel seal processing unit (plant), emergent stopping, three kinds of mode of operations of startup by described control circuit.Described control method also comprises by described oil cylinder safety work position lead limit switch, oil cylinder initial job position lead limit switch sets the stroke limit setting of oil cylinder safety work position and two kinds of set models of oil cylinder initial job position stroke limit setting.
The above embodiment has only expressed embodiments of the present invention, and its description is comparatively detailed, as long as those skilled in the art is viewing after embodiments of the invention, does not depart under the prerequisite of the present invention's design, and the change of making all belongs to protection scope of the present invention.But embodiment as herein described can not be interpreted as protection scope of the present invention is limited.
Claims (12)
1. the control circuit of a steel seal processing unit (plant) and control method thereof, it is characterized in that, described control circuit comprises stroke limit control circuit, starts stopping control circuit, electric motor starting control circuit, wherein, described electric motor starting control circuit is connected with stroke limit control circuit with described startup stopping control circuit respectively, is controlled stopping of motor and is turned round by the feedback information of described startup stopping control circuit and stroke limit control circuit.
2. control circuit according to claim 1 and control method thereof, is characterized in that, the motor contactor (KM that described electric motor starting control circuit comprises motor (M), is connected with motor (M)
1), with motor contactor (KM
1) connect control switch (QF2), the first fuse (FU1) being connected with control switch (QF2) and the second fuse (FU2), be connected to the civil power of 220V by described the first fuse (FU1) and the second fuse (FU2).
3. control circuit according to claim 1 and control method thereof, is characterized in that, described startup stopping control circuit is connected with the civil power of 220V by potential device, and described line voltage is 220:36 with the transformation ratio that starts stopping control circuit.
4. control circuit according to claim 3 and control method thereof, it is characterized in that, the order of connection in described startup stopping control circuit forming circuit loop is followed successively by the 3rd 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), mains switch auxiliary contact (SB5) and passes through single-pole double-throw switch (SPDT) (KM
2) workbench side start button (SB6) and the Hydraulic Station side start button (SB7) of monolateral work in parallel, with single-pole double-throw switch (SPDT) (KM
2) connect contactor (KM
3), with contactor (KM
3) connected thermal relay (FR), the 4th fuse (FU4) being connected with thermal relay (FR).
5. control circuit according to claim 4 and control method thereof, it is characterized in that, described startup stopping control circuit inside is also parallel with foot switch circuit, and described foot switch circuit comprises electromagnetically operated valve auxiliary contactor (SB8) and foot switch (K).
6. control circuit according to claim 1 and control method thereof, is characterized in that, described stroke limit control circuit is connected with the civil power of 220V by potential device, and the transformation ratio of described line voltage and stroke limit control circuit is 220:24.
7. control circuit according to claim 6 and control method thereof, it is characterized in that, the circuit loop that described stroke limit control circuit forms includes rectification circuit, the 6th fuse (FU6), and the overflow valve coil YV1 being connected with rectification circuit, 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 comprises rectifier, the 5th fuse (FU5), current switch.
8. control circuit according to claim 7 and control method thereof, is characterized in that, described oil cylinder safety work position lead limit switch SQ1 and oil cylinder initial job position lead limit switch SQ2 belong to cascaded structure.
9. control circuit according to claim 7 and control method thereof, is characterized in that, described overflow valve coil YV1, rising threshold coil YV2, lowering valve coil YV3 belong to parallel-connection structure.
10. according to arbitrary described control circuit and control method thereof in claim 7～9, it is characterized in that, described rectification circuit and rising threshold coil YV2, mains switch K3, oil cylinder safety work position lead limit switch SQ1, oil cylinder initial job position lead limit switch SQ1 form a loop, described rectification circuit and lowering valve coil YV3, mains switch K1 form a loop, and described rectification circuit and overflow valve coil YV1, mains switch K2 form a loop.
The control circuit of 11. 1 kinds of steel seal processing unit (plant)s and control method thereof, is characterized in that, described control method comprises that right to use requires in 1～10 stopping in arbitrary described control circuit, emergent stopping, three kinds of mode of operations of startup.
The control circuit of 12. 1 kinds of steel seal processing unit (plant)s and control method thereof, it is characterized in that, described control method also comprises that requiring the safety work of oil cylinder described in 10 position lead limit switch SQ1 to set oil cylinder safety work position stroke limit by right to use sets, and sets two kinds of set models of oil cylinder initial job position stroke limit setting with described oil cylinder initial job position lead limit switch SQ2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
|---|---|
| CN104065306A true CN104065306A (en) | 2014-09-24 |
| CN104065306B CN104065306B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410264544.9A Expired - Fee Related 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| 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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| 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 |
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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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| CN104065306B (en) | 2016-08-24 |
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