CN203003109U - Die-casting machine - Google Patents
Die-casting machine Download PDFInfo
- Publication number
- CN203003109U CN203003109U CN2012206656504U CN201220665650U CN203003109U CN 203003109 U CN203003109 U CN 203003109U CN 2012206656504 U CN2012206656504 U CN 2012206656504U CN 201220665650 U CN201220665650 U CN 201220665650U CN 203003109 U CN203003109 U CN 203003109U
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- CN
- China
- Prior art keywords
- oil
- casting machine
- die casting
- pumping plant
- displacement pump
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- 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.)
- Expired - Fee Related
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a die-casting machine comprising a pump station which is a servo motor pump station. The servo motor pump station comprises a servo motor and a constant displacement pump which are connected through a coupler. The die-casting machine can reduce electricity consumption, the responding speed of the pump station of the die-casting machine is increased, and control precision and stability of the pump station are improved.
Description
Technical field
The utility model 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 realizing frequency conversion, consume large volume and electricity, control accuracy is relatively poor, and response is slowly, and is unstable.
The utility model content
The technical problems to be solved in the utility model 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 utility model is to solve 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, and described servomotor pumping plant comprises servomotor and constant displacement pump, and described servomotor is connected by shaft coupling with described 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 to 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 to 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 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.
Positive progressive effect of the present utility model is: by utilization of the present utility model, 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 that the servopump control system of the utility model preferred embodiment controls schematic diagram.
Fig. 2 is the oil circuit connection diagram of the utility model preferred embodiment.
The specific embodiment
The below enumerates preferred embodiment, and comes by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
As shown in Figure 1, in the present embodiment, die casting machine, comprise a pumping plant, described pumping plant is the servomotor pumping plant, 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 to 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.
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.
In addition, in the present embodiment, be connected by shaft coupling 7 between servomotor 1 and constant displacement pump 2.
Although more than described the specific embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model 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 utility model and essence, but these changes and modification all fall into protection domain of the present utility model.
Claims (9)
1. a die casting machine, comprise a pumping plant, it is characterized in that, described pumping plant is the servomotor pumping plant, and described servomotor pumping plant comprises servomotor and constant displacement pump, and described servomotor is connected by shaft coupling with described 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 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206656504U CN203003109U (en) | 2012-12-06 | 2012-12-06 | Die-casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206656504U CN203003109U (en) | 2012-12-06 | 2012-12-06 | Die-casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203003109U true CN203003109U (en) | 2013-06-19 |
Family
ID=48594742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206656504U Expired - Fee Related CN203003109U (en) | 2012-12-06 | 2012-12-06 | Die-casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203003109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350210A (en) * | 2012-12-06 | 2013-10-16 | 上海一达机械有限公司 | Casting machine |
| CN111604487A (en) * | 2020-04-24 | 2020-09-01 | 宁夏煜隆科技有限公司 | Environment-friendly energy-saving die casting machine electrohydraulic control system |
-
2012
- 2012-12-06 CN CN2012206656504U patent/CN203003109U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350210A (en) * | 2012-12-06 | 2013-10-16 | 上海一达机械有限公司 | Casting machine |
| CN111604487A (en) * | 2020-04-24 | 2020-09-01 | 宁夏煜隆科技有限公司 | Environment-friendly energy-saving die casting machine electrohydraulic control system |
| CN111604487B (en) * | 2020-04-24 | 2021-12-07 | 无锡新佳盛压铸机制造有限公司 | Environment-friendly energy-saving die casting machine electrohydraulic control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20171206 |