CN104441753A - Control circuit for working of hydraulic machine - Google Patents
Control circuit for working of hydraulic machine Download PDFInfo
- Publication number
- CN104441753A CN104441753A CN201410662419.3A CN201410662419A CN104441753A CN 104441753 A CN104441753 A CN 104441753A CN 201410662419 A CN201410662419 A CN 201410662419A CN 104441753 A CN104441753 A CN 104441753A
- Authority
- CN
- China
- Prior art keywords
- circuit
- switch
- motor
- access
- parallel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The invention discloses a control circuit for working of a hydraulic machine. According to the technical scheme, the control circuit comprises a motor connecting circuit, a transformer connecting circuit, a motor working control area, a PLC wiring area and a proximity switch power supply; a phase line L1, a phase line L2 and a phase line L3 of a three-phase alternating-current power supply led into the whole control circuit are each provided with a fuse FU and further provided with an isolating switch QS and a circuit breaker QF1, the motor connecting circuit comprises a motor M1, the transformer connecting circuit comprises a transformer TC connected with the phase line L1 and the phase line L3, and the motor working control area comprises buttons controlling the motor M1 to operate or stop. The control circuit is simple, convenient to operate and maintain and reasonable in wire arrangement. The circuit breakers can achieve emergency stopping in an emergency to protect equipment. The transformer can transform high-voltage current into low-voltage current so that a low-voltage component and a PLC can be connected with the control circuit conveniently. Normal operating or stopping of the hydraulic machine can be controlled through various buttons on the PLC. Operation is simplified, and the target is clear.
Description
Technical field
The present invention relates to hydraulic press technical field, particularly a kind of hydraulic press working control circuit.
Background technology
Hydraulic press is a kind of machinery utilizing hydrostatic pressure to carry out the goods such as processing metal, plastics, rubber, timber, powder.It is usually used in pressing process and block pressing forming process, as: forging and stamping, punching press, cold-extruded, alignment, bending, flange, process of sheet drawing, powder metallurgy, press-fits etc.Hydraulic press is a kind of is working media with liquid, is used for transferring energy to realize polytechnic machine.Hydraulic press comprises hydraulic press and hydraulic press.With water fluid be working media be called hydraulic press, with oil be working media be called hydraulic press.The specification of hydraulic press generally represents by nominal operational forces (thousand Ns) or nominal tonnage (ton).Mostly forging hydraulic press is hydraulic press, and tonnage is higher.For reducing equipment size, higher pressure (about 35 MPas) commonly used by large-sized forging hydraulic press, sometimes also adopts the super-pressure of more than 100 MPas.
Summary of the invention
The object of the present invention is to provide a kind of circuit theory of hydraulic press electrical control of single Oil pump electrical machinery.
To achieve these goals, the present invention adopts following technical scheme: a kind of hydraulic press working control circuit, described control circuit comprises motor connecting wire road, transformer connection line, machine operation control zone, PLC Wiring area, proximity switch power supply, introduce the L1 of the three-phase alternating-current supply of whole circuit, L2, L3 phase line is equipped with fuse FU, also be provided with isolating switch QS and circuit breaker Q F1, described motor connecting wire road comprises motor M 1, the three-phase connecting line of described motor M 1 and described L1, L2, L3 phase line connects, and the input of described motor M 1 is also provided with electrothermal relay FR1 and contactor KM1, described transformer connection line comprises the transformer TC of access L1, L3 phase line, and the circuit breaker Q F2 in described transformer TC output access shunt circuit and the rectifier U in access series loop, described machine operation control zone comprises indicator lamp HL1, HL2 of being connected in parallel, described indicator lamp HL2 connects and accesses KM1 normally opened contact switch, access SB1 normal open switch in parallel on described KM1 normally opened contact switch, on described indicator lamp HL2, the series circuit of access SB2 normally closed switch in parallel, FR1 protection switch and KM1 coil, also comprises SB0 normal open switch and the series circuit of QF1 coil, the SB0 normally closed switch accessed of connecting of access in parallel, described PLC Wiring area comprises the PLC circuit of an access in parallel, described proximity switch power supply comprises five limit switch SQ2, SQ3, SQ4, SQ5, SQ1 coils in parallel, described rectifier U output accesses the series circuit of ten magnetic valves in parallel and auxiliary reclay normally opened contact switch.
The present invention has following beneficial effect: circuit of the present invention is simple and clear, and operating maintenance is convenient, and wiring rationally.The breaker wherein arranged in case of emergency can emergent stopping, proterctive equipment; High-tension current can be converted into low pressure by the application of transformer, is convenient to access low-voltage component and PLC, by the various control buttons on PLC to the normal operation of hydraulic press, stop controlling, simplify the operation, with clearly defined objective.
Accompanying drawing explanation
Fig. 1, Fig. 2 are hydraulic press working control circuit figure of the present invention.
Detailed description of the invention
A kind of hydraulic press working control circuit of the present invention, described control circuit comprises motor connecting wire road, transformer connection line, machine operation control zone, PLC Wiring area, proximity switch power supply, L1, L2, L3 phase line introducing the three-phase alternating-current supply of whole circuit is equipped with fuse FU, also be provided with isolating switch QS and circuit breaker Q F1, described motor connecting wire road comprises motor M 1, the three-phase connecting line of described motor M 1 is connected with described L1, L2, L3 phase line, and the input of described motor M 1 is also provided with electrothermal relay FR1 and contactor KM1; Described transformer connection line comprises the transformer TC of access L1, L3 phase line, and the circuit breaker Q F2 in described transformer TC output access shunt circuit and the rectifier U in access series loop; Described machine operation control zone comprises indicator lamp HL1, HL2 of being connected in parallel, described indicator lamp HL2 connects and accesses KM1 normally opened contact switch, access SB1 normal open switch in parallel on described KM1 normally opened contact switch, on described indicator lamp HL2, the series circuit of access SB2 normally closed switch in parallel, FR1 protection switch and KM1 coil, also comprises SB0 normal open switch and the series circuit of QF1 coil, the SB0 normally closed switch accessed of connecting of access in parallel; Described PLC Wiring area comprises the PLC circuit of an access in parallel; Described proximity switch power supply comprises five limit switch SQ2, SQ3, SQ4, SQ5, SQ1 coils in parallel; Described rectifier U output accesses the series circuit of ten magnetic valves in parallel and auxiliary reclay normally opened contact switch.
In work, circuit breaker Q F1 in case of emergency can play the effect of emergent stopping, presses SB0 normal open switch during operation, and SB0 normally closed switch disconnects, whole down circuitry; During startup, by SB1 normal open switch, KM1 coil obtains electric, and contactor KM1 closes, and at this moment indicator lamp HL2 lights, and illustrate that contactor KM1 is energized, motor M 1 works; During stopping, disconnecting SB2 normally closed switch, KM1 coil losing electricity, contactor KM1 disconnects, and motor M 1 quits work.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, other amendments that those of ordinary skill in the art make technical scheme of the present invention or equivalently to replace, only otherwise depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of right of the present invention.
Claims (1)
1. a hydraulic press working control circuit, it is characterized in that, described control circuit comprises motor connecting wire road, transformer connection line, machine operation control zone, PLC Wiring area, proximity switch power supply, L1, L2, L3 phase line introducing the three-phase alternating-current supply of whole circuit is equipped with fuse FU, also be provided with isolating switch QS and circuit breaker Q F1, described motor connecting wire road comprises motor M 1, the three-phase connecting line of described motor M 1 is connected with described L1, L2, L3 phase line, and the input of described motor M 1 is also provided with electrothermal relay FR1 and contactor KM1; Described transformer connection line comprises the transformer TC of access L1, L3 phase line, and the circuit breaker Q F2 in described transformer TC output access shunt circuit and the rectifier U in access series loop; Described machine operation control zone comprises indicator lamp HL1, HL2 of being connected in parallel, described indicator lamp HL2 connects and accesses KM1 normally opened contact switch, access SB1 normal open switch in parallel on described KM1 normally opened contact switch, on described indicator lamp HL2, the series circuit of access SB2 normally closed switch in parallel, FR1 protection switch and KM1 coil, also comprises SB0 normal open switch and the series circuit of QF1 coil, the SB0 normally closed switch accessed of connecting of access in parallel; Described PLC Wiring area comprises the PLC circuit of an access in parallel; Described proximity switch power supply comprises five limit switch SQ2, SQ3, SQ4, SQ5, SQ1 coils in parallel; Described rectifier U output accesses the series circuit of ten magnetic valves in parallel and auxiliary reclay normally opened contact switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410662419.3A CN104441753A (en) | 2014-11-20 | 2014-11-20 | Control circuit for working of hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410662419.3A CN104441753A (en) | 2014-11-20 | 2014-11-20 | Control circuit for working of hydraulic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104441753A true CN104441753A (en) | 2015-03-25 |
Family
ID=52888863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410662419.3A Pending CN104441753A (en) | 2014-11-20 | 2014-11-20 | Control circuit for working of hydraulic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104441753A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023066319A1 (en) * | 2021-10-20 | 2023-04-27 | 北京国科诚泰农牧设备有限公司 | Control system for tmr central kitchen |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002144100A (en) * | 2000-11-15 | 2002-05-21 | Murata Mach Ltd | Hydraulic punch press |
| CN2877134Y (en) * | 2006-01-16 | 2007-03-07 | 李富春 | Electric machine step-down starting controller |
| CN101513777A (en) * | 2008-12-18 | 2009-08-26 | 天津市天锻压力机有限公司 | Motor matching control system for hydraulic machine |
| CN201333816Y (en) * | 2008-12-30 | 2009-10-28 | 上海欣昶鑫企业发展有限公司 | Circuit structure of hydraulic press in manufacturing of direct-current motor commutator |
| CN102039692A (en) * | 2010-12-28 | 2011-05-04 | 平顶山市通运矿山机械厂 | Electrical control system of powdered coal hydraulic moulding machine |
| CN202165256U (en) * | 2011-06-23 | 2012-03-14 | 付希刚 | Controller for air compressor |
| CN202694046U (en) * | 2012-08-06 | 2013-01-23 | 黑龙江省冶金研究所 | Hydraulic control circuit of slagging-off machine |
| CN204249411U (en) * | 2014-11-20 | 2015-04-08 | 南通弘力机械制造有限公司 | A kind of hydraulic press working control circuit |
-
2014
- 2014-11-20 CN CN201410662419.3A patent/CN104441753A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002144100A (en) * | 2000-11-15 | 2002-05-21 | Murata Mach Ltd | Hydraulic punch press |
| CN2877134Y (en) * | 2006-01-16 | 2007-03-07 | 李富春 | Electric machine step-down starting controller |
| CN101513777A (en) * | 2008-12-18 | 2009-08-26 | 天津市天锻压力机有限公司 | Motor matching control system for hydraulic machine |
| CN201333816Y (en) * | 2008-12-30 | 2009-10-28 | 上海欣昶鑫企业发展有限公司 | Circuit structure of hydraulic press in manufacturing of direct-current motor commutator |
| CN102039692A (en) * | 2010-12-28 | 2011-05-04 | 平顶山市通运矿山机械厂 | Electrical control system of powdered coal hydraulic moulding machine |
| CN202165256U (en) * | 2011-06-23 | 2012-03-14 | 付希刚 | Controller for air compressor |
| CN202694046U (en) * | 2012-08-06 | 2013-01-23 | 黑龙江省冶金研究所 | Hydraulic control circuit of slagging-off machine |
| CN204249411U (en) * | 2014-11-20 | 2015-04-08 | 南通弘力机械制造有限公司 | A kind of hydraulic press working control circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023066319A1 (en) * | 2021-10-20 | 2023-04-27 | 北京国科诚泰农牧设备有限公司 | Control system for tmr central kitchen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204249411U (en) | A kind of hydraulic press working control circuit | |
| CN104090191B (en) | A kind of loading test device for converter and method | |
| CN1457123A (en) | Intelligent distributing and transforming devices | |
| CN203660492U (en) | Microcomputer comprehensive protection device having active/passive automatic switching function | |
| CN105375634A (en) | Monitoring system of high voltage switch cabinet | |
| CN104441753A (en) | Control circuit for working of hydraulic machine | |
| CN108773786A (en) | Elevator brake Power Supply breaking system | |
| CN104795203A (en) | Intelligent remote monitoring type power transformer | |
| CN208001101U (en) | A kind of high-tension switch cabinet and its radiator | |
| CN109301819B (en) | Low penetration and flexible interface control method for high-power sensitive impact load | |
| CN208561540U (en) | Elevator brake Power Supply breaking system | |
| CN203423093U (en) | Load isolation switch operation mechanism device used for high-voltage cabinet and capable of preventing error operation | |
| CN203950658U (en) | Isolated loaded capacity regulating voltage regulating switch | |
| CN202978689U (en) | Bypass apparatus for power unit of high-voltage frequency converter | |
| CN101465525B (en) | High voltage frequency changer isolation trolley type high voltage switch cabinet | |
| CN203660379U (en) | Load control switch apparatus of emergency power supply vehicle | |
| CN207782696U (en) | A kind of variable-frequency motor transformation circuit with cooling blower | |
| CN204790392U (en) | Automatically controlled cabinet of horizontal hydraulic bale press | |
| CN207986533U (en) | A kind of simple adjustable dynamic braking control circuit of crane pair hoisting motor | |
| CN202917816U (en) | Simple PLC cabinet | |
| CN104391526A (en) | Remote temperature control circuit for electric cabinet | |
| CN203406824U (en) | Medium-voltage frequency conversion and power frequency automatic conversion cabinet | |
| CN204130439U (en) | A kind of high-pressure vacuum breaker | |
| CN105006747B (en) | A kind of sectionalized single busbar connection electrical main connecting wire structure with bus transfer disconnecting switch | |
| CN204732959U (en) | A kind of Dual-power device of electrical appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |