CN202639176U - Constant output accumulator control system for hydraulic machine - Google Patents
Constant output accumulator control system for hydraulic machine Download PDFInfo
- Publication number
- CN202639176U CN202639176U CN 201220243588 CN201220243588U CN202639176U CN 202639176 U CN202639176 U CN 202639176U CN 201220243588 CN201220243588 CN 201220243588 CN 201220243588 U CN201220243588 U CN 201220243588U CN 202639176 U CN202639176 U CN 202639176U
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- valve
- accumulator
- control system
- hydraulic press
- constant output
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Abstract
The utility model discloses a constant output accumulator control system for a hydraulic machine. The constant output accumulator control system for the hydraulic machine comprises a cartridge reducing valve, a pressure sensor, a proportional flow cartridge valve, a hydraulic machine, a direct-acting overflow valve, a gas cylinder, a pumping source and an accumulator. The gas cylinder is connected with the accumulator, the inlet of the proportional flow cartridge valve and the direct-acting overflow valve are respectively connected with the cartridge reducing valve through oil-conveying pipes, and the outlet of the proportional flow cartridge valve and the direct-acting overflow valve are respectively connected with the hydraulic machine through the oil-conveying pipes. The inlet and the outlet of the proportional flow cartridge valve are respectively provided with a pressure sensor, the accumulator is connected with the cartridge reducing valve through the oil-conveying pipes provided with the pressure sensor, and the pumping source is placed on the oil-conveying pipe which connects the accumulator and the cartridge reducing valve. The constant output accumulator control system for the hydraulic machine can effectively guarantee the speed of outputting workpieces of the hydraulic machine stable and improve processing quality of the workpieces.
Description
Technical field
The utility model belongs to the hydraulic press technical field, is specifically related to a kind of hydraulic press constant output accumulator control system.
Background technology
Forge the field at hydraulic press, present stage, domestic high speed extrusion hydraulic press mainly relies on the large discharge capacity of many covers, high power Oil pump electrical machinery group to realize to the control of press work speed, realize that high velocity compacted can only be by increasing the quantity of pump and motor, strengthen plant capacity and realize, this has caused the huge waste of resource undoubtedly in some specific working environments.And because the intrinsic low control accuracy of pump control system, can't satisfy the technological requirement of meticulous speed control, and the work speed of hydraulic press is a key factor of hydraulic press stable working, particularly forge for the processing of special parts, namely to guarantee its process velocity, guarantee again its crudy, therefore the work speed of hydraulic press and worker advance stationarity and seem particularly important, because traditional hydraulic press work speed stability is low, therefore designing the hydraulic press control system that a kind of work speed is high, stationarity is good seems particularly important.
Summary of the invention
The technical problems to be solved in the utility model is that existing hydraulic press control system is improved, proposes a kind of can work speed stably hydraulic press constant export the accumulator control system.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of hydraulic press constant output accumulator control system is characterized in that: comprising: plug-in mounting pressure-reducing valve, pressure sensor, proportional flow inserted valve, hydraulic press, directly moving overflow valve, gas cylinder, pumping source and accumulator; Described gas cylinder is connected with described accumulator; Described plug-in mounting pressure-reducing valve is connected with the entrance of described proportional flow inserted valve, described straight moving overflow valve respectively by petroleum pipeline; Described hydraulic press is connected with the outlet of described proportional flow inserted valve, described straight moving overflow valve respectively by petroleum pipeline; The entrance and exit of described proportional flow inserted valve is equipped with pressure sensor, described accumulator is connected with described plug-in mounting pressure-reducing valve by the petroleum pipeline that pressure sensor is installed, and described accumulator is provided with the pumping source interface with the woven hose that described plug-in mounting pressure-reducing valve is connected.
As preferred version, the utility model has also adopted following technical characterictic:
Described gas cylinder is no less than one.
Be connected in parallel to each other between described a plurality of gas cylinder.
Described accumulator is piston accumulator.
Described accumulator is two.
Be connected in parallel to each other between described two accumulators.
Described plug-in mounting pressure-reducing valve is no less than one.
Described straight moving overflow valve is no less than one.
Described proportional flow inserted valve is no less than one.
Advantage and the good effect that the utlity model has are: one, form the constant-pressure drop reponse system by adopting the plug-in mounting pressure-reducing valve and directly moving overflow valve, proportion of utilization flow inserted valve carries out the adjustment of valve port opening, the energy even that accumulator is stored steadily discharges, Effective Raise the Steady speed that advances of worker; Two, by adopting accumulator, effectively reduce the power consumption of system, saved the energy.
Description of drawings
Fig. 1 is the structure principle chart of a kind of hydraulic press constant output of the utility model accumulator control system.
Among the figure: 1, plug-in mounting pressure-reducing valve; 2, pressure sensor; 3, proportional flow inserted valve; 4, hydraulic press; 5, directly move overflow valve; 6, gas cylinder; 7, pumping source; 8, piston accumulator.
The specific embodiment
For further understanding content of the present utility model, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
Fig. 1 is structure principle chart of the present utility model, and a kind of hydraulic press constant output accumulator control system comprises: plug-in mounting pressure-reducing valve 1, pressure sensor 2, proportional flow inserted valve 3, hydraulic press 4, directly moving overflow valve 5, gas cylinder 6, pumping source 7 and accumulator 8; Described gas cylinder 6 is connected with described accumulator; Described plug-in mounting pressure-reducing valve 1 is connected with the entrance of described proportional flow inserted valve 3, described straight moving overflow valve 5 respectively by petroleum pipeline; Described hydraulic press 4 is connected with the outlet of described proportional flow inserted valve 3, described straight moving overflow valve 5 respectively by petroleum pipeline; The entrance and exit of described proportional flow inserted valve 3 is equipped with pressure sensor 2, described accumulator is connected with described plug-in mounting pressure-reducing valve 1 by the petroleum pipeline that pressure sensor 2 is installed, and the woven hose that described accumulator is connected with described plug-in mounting pressure-reducing valve 1 is provided with pumping source 7 interfaces; Described gas cylinder 6 is no less than one; Be connected in parallel to each other between described a plurality of gas cylinder 6, in this specific embodiment, gas cylinder 6 is four; Described accumulator is piston accumulator 8; Described accumulator is two; Be connected in parallel to each other between described two accumulators; Described plug-in mounting pressure-reducing valve 1 is no less than one, and in this specific embodiment, plug-in mounting pressure-reducing valve 1 is four; Described straight moving overflow valve 5 is no less than one; Described proportional flow inserted valve 3 is no less than one.
The operation principle of this example is: 7 pairs of piston accumulators of pumping source, 8 system's supplementary pressures, pressure sensor 2 can detect in real time to the oil pressure that pumping source 7 transfers in the piston accumulator 8, the entrance and exit force value of proportional flow inserted valve 3 also detects by pressure sensor 2, plug-in mounting pressure-reducing valve 1 and straight moving overflow valve 5 form the constant-pressure drop reponse system, and the size of pressure reduction reads by sensor 2.Passing ratio flow inserted valve 3 realizes hydraulic press 4 is supplied with the control of oil masses, and the final so that energy even that piston accumulator 8 stores discharges reposefully.
Above a kind of embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.
Claims (9)
1. hydraulic press constant output accumulator control system is characterized in that: comprising: plug-in mounting pressure-reducing valve, pressure sensor, proportional flow inserted valve, hydraulic press, directly moving overflow valve, gas cylinder, pumping source and accumulator; Described gas cylinder is connected with described accumulator; Described plug-in mounting pressure-reducing valve is connected with the entrance of described proportional flow inserted valve, described straight moving overflow valve respectively by petroleum pipeline; Described hydraulic press is connected with the outlet of described proportional flow inserted valve, described straight moving overflow valve respectively by petroleum pipeline; The entrance and exit of described proportional flow inserted valve is equipped with pressure sensor, described accumulator is connected with described plug-in mounting pressure-reducing valve by the petroleum pipeline that pressure sensor is installed, and described accumulator is provided with the pumping source interface with the woven hose that described plug-in mounting pressure-reducing valve is connected.
2. according to hydraulic press constant output accumulator control system claimed in claim 1, it is characterized in that: described gas cylinder is no less than one.
3. according to hydraulic press constant output accumulator control system claimed in claim 2, it is characterized in that: be connected in parallel to each other between described a plurality of gas cylinders.
4. according to hydraulic press constant output accumulator control system claimed in claim 1, it is characterized in that: described accumulator is piston accumulator.
5. according to hydraulic press constant output accumulator control system claimed in claim 1, it is characterized in that: described accumulator is two.
6. according to hydraulic press constant output accumulator control system claimed in claim 1, it is characterized in that: be connected in parallel to each other between described two accumulators.
7. according to hydraulic press constant output accumulator control system claimed in claim 1, it is characterized in that: described plug-in mounting pressure-reducing valve is no less than one.
8. according to hydraulic press constant output accumulator control system claimed in claim 1, it is characterized in that: described straight moving overflow valve is no less than one.
9. according to hydraulic press constant output accumulator control system claimed in claim 1, it is characterized in that: described proportional flow inserted valve is no less than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220243588 CN202639176U (en) | 2012-05-28 | 2012-05-28 | Constant output accumulator control system for hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220243588 CN202639176U (en) | 2012-05-28 | 2012-05-28 | Constant output accumulator control system for hydraulic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202639176U true CN202639176U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220243588 Expired - Fee Related CN202639176U (en) | 2012-05-28 | 2012-05-28 | Constant output accumulator control system for hydraulic machine |
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| Country | Link |
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| CN (1) | CN202639176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514759A (en) * | 2014-12-30 | 2015-04-15 | 天津福云天翼科技有限公司 | High-flow separating accumulator group constant pressure regulating system |
-
2012
- 2012-05-28 CN CN 201220243588 patent/CN202639176U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514759A (en) * | 2014-12-30 | 2015-04-15 | 天津福云天翼科技有限公司 | High-flow separating accumulator group constant pressure regulating 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 |
Granted publication date: 20130102 Termination date: 20180528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |