CN103350210A - Casting machine - Google Patents

Casting machine Download PDF

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Publication number
CN103350210A
CN103350210A CN2012105210308A CN201210521030A CN103350210A CN 103350210 A CN103350210 A CN 103350210A CN 2012105210308 A CN2012105210308 A CN 2012105210308A CN 201210521030 A CN201210521030 A CN 201210521030A CN 103350210 A CN103350210 A CN 103350210A
Authority
CN
China
Prior art keywords
oil
casting machine
die casting
pumping plant
servomotor
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
Application number
CN2012105210308A
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Chinese (zh)
Inventor
李品章
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YIDA MECHANICS CO Ltd SHANGHAI
Original Assignee
YIDA MECHANICS CO Ltd SHANGHAI
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YIDA MECHANICS CO Ltd SHANGHAI filed Critical YIDA MECHANICS CO Ltd SHANGHAI
Priority to CN2012105210308A priority Critical patent/CN103350210A/en
Publication of CN103350210A publication Critical patent/CN103350210A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a casting machine. The casting machine comprises a pump station, which is a servomotor pump station and comprises a servomotor and a dosing pump. By adopting the casting machine, the power consumption of the casting machine can be reduced, and the response speed, the control precision and the stability of the pump station of the casting machine can be improved.

Description

Die casting machine
Technical field
The present invention relates to a kind of die casting machine.
Background technology
In Die Casting Industry, large-scale die casting machine pumping plant generally all needs several the above motors of 45KV jointly to drive, and its power consumption is surprising, and the electricity charge account for major part at every turn when assessing the cost for this reason.Existing die casting machine pumping plant adopts threephase asynchronous machine, pair vane pump.Owing to can not realize frequency conversion, consume large volume and electricity, control accuracy is relatively poor, and response is slowly, and is unstable.
Summary of the invention
The technical problem to be solved in the present invention is large in order to overcome prior art die casting machine pumping plant power consumption, and control accuracy is poor, low-response, and unsettled defective provides a kind of die casting machine.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of die casting machine comprises a pumping plant, and its characteristics are, described pumping plant is the servomotor pumping plant, comprises servomotor and constant displacement pump.
Preferably, described servomotor pumping plant comprises that also a velocity sensor and that is used for measuring described servomotor rotating speed is used for the servo-control system according to the rotating speed of the described servomotor of Signal Regulation of described velocity sensor feedback, described servo-control system is electrically connected with described velocity sensor and described servomotor respectively, just can accurately control described servomotor rotating speed thus.
Preferably, described servomotor pumping plant comprises that also one is used for measuring the pressure sensor of described constant displacement pump pressure, described servo-control system is according to the rotating speed of the described servomotor of Signal Regulation of described velocity sensor and described pressure sensor feedback, described servo-control system is electrically connected with described velocity sensor, described pressure sensor and described servomotor respectively, just can monitor thus the pressure of described constant displacement pump, in time take countermeasure.
Preferably, the oil sucting cavity of described constant displacement pump is connected with a fuel tank, and the oil-discharging cavity of described constant displacement pump is connected with a pumping plant oil piping system.
Preferably, described pumping plant oil piping system is used for oil circuit fuel feeding and the oil return to described die casting machine, it is communicated with oil circuit oil revolving end and the described fuel tank of the oil circuit fuel feeding end of the oil-discharging cavity of described constant displacement pump, described die casting machine, described die casting machine respectively, by described pumping plant oil piping system, can realize the pressure of oil circuit of constant displacement pump and described die casting machine and the transmission of fluid.
Preferably, be provided with a filter for impurity screening between the oil sucting cavity of described constant displacement pump and the described fuel tank, can reduce thus impurity and enter described constant displacement pump, the protection constant displacement pump.
Preferably, described pumping plant oil piping system comprises a Pressure gauge, and described Pressure gauge is communicated with the oil-discharging cavity of described constant displacement pump, and by described Pressure gauge, operating personnel can know the current oil pressure of understanding.
Preferably, described pumping plant oil piping system comprises that one is used for the cooler of cooling oil, and described cooler is arranged between the oil circuit oil revolving end and described fuel tank of described die casting machine, and described cooler can be avoided the generation of fluid superheating phenomenon.
Preferably, described pumping plant oil piping system comprises some safe pressures be used to controlling described pumping plant oil piping system, and the perhaps control valve that opens and closes of oil circuit control can be guaranteed the safety of described pumping plant oil piping system and timely switch thus.
Preferably, described servomotor is connected by shaft coupling with described constant displacement pump.
Positive progressive effect of the present invention is: by utilization of the present invention, can reduce the power consumption of die casting machine, improve response speed, control accuracy and the stability of die casting machine pumping plant.
Description of drawings
Fig. 1 is the servopump control system control schematic diagram of preferred embodiment of the present invention.
Fig. 2 is the oil circuit connection diagram of preferred embodiment of the present invention.
The specific embodiment
The below enumerates preferred embodiment, and comes by reference to the accompanying drawings the clearer the present invention that intactly illustrates.
As shown in Figure 1, in the present embodiment, die casting machine of the present invention, comprise a pumping plant, described pumping plant is the servomotor pumping plant, also comprise servomotor 1, constant displacement pump 2, be used for measuring servomotor 1 rotating speed velocity sensor 4, be used for measuring the pressure sensor 5 of constant displacement pump 2 pressure, according to the servo-control system 3 of the rotating speed of the Signal Regulation servomotor 1 of velocity sensor 4 and pressure sensor 5 feedbacks.
Servo-control system 3 is electrically connected with velocity sensor 4, pressure sensor 5, servomotor 1 and constant displacement pump 2 respectively, thereby realizes the transmission of signal.
Be illustrated in figure 2 as the oil circuit connection diagram of the present embodiment, comprise servomotor 1, constant displacement pump 2, pressure sensor 5, Pressure gauge 61, cooler 62, filter 63, bypass strainer 64, some control valves 65, air cleaner 66 and shaft coupling 7.
The oil sucting cavity of constant displacement pump 2 is connected with a fuel tank, the oil-discharging cavity of constant displacement pump 2 is connected with a pumping plant oil piping system, described pumping plant oil piping system is used for oil circuit fuel feeding and the oil return to described die casting machine, it is communicated with oil circuit oil revolving end and the described fuel tank of the oil circuit fuel feeding end of the oil-discharging cavity of constant displacement pump 2, described die casting machine, described die casting machine respectively, by described pumping plant oil piping system, can realize constant displacement pump 2 and the pressure of the oil circuit of described die casting machine and oily transmission.
Described pumping plant oil piping system comprises Pressure gauge 61, cooler 62, filter 63, bypass strainer 64, some control valves 65 and air cleaner 66.
Pressure gauge 61 is communicated with the oil-discharging cavity of constant displacement pump 2, and by Pressure gauge 61, operating personnel can know the current oil pressure of understanding.
Cooler 62 is arranged between the oil circuit oil revolving end and described fuel tank of described die casting machine, and described cooler 62 can be avoided the generation of fluid superheating phenomenon.
Filter 63 is arranged between described constant displacement pump 2 and the described fuel tank, can reduce impurity and enter constant displacement pump 2, and protection constant displacement pump 2 is not destroyed by impurity.
Bypass strainer 64 is arranged in the bypass, is used for removing the impurity of bypass.
Control valve 65 is used for controlling the safe pressure of described pumping plant oil piping system, and perhaps oil circuit control opens and closes, and can guarantee thus safety and the timely switch of described pumping plant oil piping system.As shown in Figure 2 be a kind of mode because the connected mode of control valve 65 is not this programme key protection point, and be general knowledge known in this field, do not give unnecessary details therefore do not do at this.
Air cleaner 66 is communicated with described fuel tank, is used for the impurity of filtered air.
In addition, in the present embodiment, be connected by shaft coupling 7 between servomotor 1 and the constant displacement pump 2.
Although more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art can make various changes or modifications to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.

Claims (10)

1. a die casting machine comprises a pumping plant, it is characterized in that, described pumping plant is the servomotor pumping plant, comprises servomotor and constant displacement pump.
2. die casting machine as claimed in claim 1, it is characterized in that, described servomotor pumping plant comprises that also a velocity sensor and that is used for measuring described servomotor rotating speed is used for the servo-control system according to the rotating speed of the described servomotor of Signal Regulation of described velocity sensor feedback.
3. die casting machine as claimed in claim 2, it is characterized in that, described servomotor pumping plant comprises that also one is used for measuring the pressure sensor of described constant displacement pump pressure, and described servo-control system is according to the rotating speed of the described servomotor of Signal Regulation of described velocity sensor and described pressure sensor feedback.
4. die casting machine as claimed in claim 1 is characterized in that, the oil sucting cavity of described constant displacement pump is connected with a fuel tank, and the oil-discharging cavity of described constant displacement pump is connected with a pumping plant oil piping system.
5. die casting machine as claimed in claim 4, it is characterized in that, described pumping plant oil piping system is used for oil circuit fuel feeding and the oil return to described die casting machine, and is communicated with oil circuit oil revolving end and the described fuel tank of the oil circuit fuel feeding end of the oil-discharging cavity of described constant displacement pump, described die casting machine, described die casting machine respectively.
6. die casting machine as claimed in claim 4 is characterized in that, is provided with a filter for impurity screening between the oil sucting cavity of described constant displacement pump and the described fuel tank.
7. die casting machine as claimed in claim 4 is characterized in that, described pumping plant oil piping system comprises a Pressure gauge, and described Pressure gauge is communicated with the oil-discharging cavity of described constant displacement pump.
8. die casting machine as claimed in claim 4 is characterized in that, described pumping plant oil piping system comprises that one is used for the cooler of cooling oil, and described cooler is arranged between the oil circuit oil revolving end and described fuel tank of described die casting machine.
9. die casting machine as claimed in claim 4 is characterized in that, described pumping plant oil piping system comprises some safe pressures be used to controlling described pumping plant oil piping system, perhaps the oil circuit control control valve opening or close.
10. such as the described die casting machine of claim 1-9 any one, it is characterized in that, described servomotor is connected by shaft coupling with described constant displacement pump.
CN2012105210308A 2012-12-06 2012-12-06 Casting machine Pending CN103350210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012105210308A CN103350210A (en) 2012-12-06 2012-12-06 Casting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012105210308A CN103350210A (en) 2012-12-06 2012-12-06 Casting machine

Publications (1)

Publication Number Publication Date
CN103350210A true CN103350210A (en) 2013-10-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012105210308A Pending CN103350210A (en) 2012-12-06 2012-12-06 Casting machine

Country Status (1)

Country Link
CN (1) CN103350210A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103920862A (en) * 2014-04-30 2014-07-16 重庆立致和节能科技有限公司 Die-casting machine asynchronous servo energy-saving control method and system
CN110857687A (en) * 2018-08-24 2020-03-03 恩格尔机械(上海)有限公司 Method and device for monitoring the condition of a hydraulic pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1804148A1 (en) * 2005-12-22 2007-07-04 Fanuc Ltd Numerical controller with smooth velocity transition at switchover to servo-on state
CN202097384U (en) * 2011-06-08 2012-01-04 宁波思进机械有限公司 Servo energy-saving oil supply system for press casting machine
CN202137352U (en) * 2011-05-16 2012-02-08 深圳领威科技有限公司 Pump station output device of continuous casting machine
CN203003109U (en) * 2012-12-06 2013-06-19 上海一达机械有限公司 Die-casting machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1804148A1 (en) * 2005-12-22 2007-07-04 Fanuc Ltd Numerical controller with smooth velocity transition at switchover to servo-on state
CN202137352U (en) * 2011-05-16 2012-02-08 深圳领威科技有限公司 Pump station output device of continuous casting machine
CN202097384U (en) * 2011-06-08 2012-01-04 宁波思进机械有限公司 Servo energy-saving oil supply system for press casting machine
CN203003109U (en) * 2012-12-06 2013-06-19 上海一达机械有限公司 Die-casting machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103920862A (en) * 2014-04-30 2014-07-16 重庆立致和节能科技有限公司 Die-casting machine asynchronous servo energy-saving control method and system
CN103920862B (en) * 2014-04-30 2016-03-09 重庆立致和节能科技有限公司 The asynchronous energy-saving servo control method of die casting machine and control system thereof
CN110857687A (en) * 2018-08-24 2020-03-03 恩格尔机械(上海)有限公司 Method and device for monitoring the condition of a hydraulic pump

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Application publication date: 20131016