CN106286453A - The double pressure system of ceramic brick press constant pressure variable displacement pump - Google Patents
The double pressure system of ceramic brick press constant pressure variable displacement pump Download PDFInfo
- Publication number
- CN106286453A CN106286453A CN201610894252.2A CN201610894252A CN106286453A CN 106286453 A CN106286453 A CN 106286453A CN 201610894252 A CN201610894252 A CN 201610894252A CN 106286453 A CN106286453 A CN 106286453A
- Authority
- CN
- China
- Prior art keywords
- valve
- variable displacement
- pump
- displacement pump
- oil circuit
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses the double pressure system of a kind of ceramic brick press constant pressure variable displacement pump, it is characterised in that it includes constant pressure variable displacement pump and the rear pump pressure switching control being connected on the input oil circuit of constant pressure variable displacement pump；Rear pump pressure switching control includes ECU, two-position three way magnetic valve, two-position two-way solenoid valve, overflow valve one and overflow valve two, it is connected between overflow valve one and the input oil circuit of rear pump pressure switching control and has the first oil circuit, further, overflow valve one is connected with the input oil circuit of constant pressure variable displacement pump；Being connected between the oil-in of two-position three way magnetic valve and the input oil circuit of constant pressure variable displacement pump and have the second oil circuit, the actuator port of two-position three way magnetic valve connects the input oil circuit of constant pressure variable displacement pump；Being connected between the oil return opening of two-position three way magnetic valve and the input oil circuit of rear pump pressure switching control and have oil return line, the working oil path of two-position three way magnetic valve connects.Present configuration is simple, compared to the product of same type, consumes energy lower, and performance is more superior.
Description
Technical field
The present invention relates to industrial ceramics and produce equipment technical field, the constant voltage specifically relating to a kind of ceramic brick press becomes
Amount pump pressure system.
Background technology
It is known that ceramic brick press is the high-tech product on contemporary world ceramic wall and floor bricks production line, brick machine exists
Building Ceramics Industry has critical role.Wherein, pressure system provides power as power unit for brick machine, is brick machine
Important component part, it directly concerns the quality problems of product.Power unit typically uses driven by motor hydraulic pump to realize, and general
It is constant pressure variable displacement pump all over the hydraulic pump used.Constant pressure variable displacement pump is made up of plunger displacement pump, variable oil cylinder and pressure regulator valve.Constant pressure pump exists
Before not up on pump, pressure regulator valve sets pressure, variable pump swash plate is in sail angle, pumpage maximum and displacement constant, reality
This suitable dosing pump of stage constant pressure variable displacement pump upper.When pressure reaches constant voltage setting pressure, pump is variable pump, the flow of output
The flow needed equal to load.The constant pressure variable displacement pump of traditional ceramic brick press output pressure under holding state and pressure bricked state
It is by force a fixed value, therefore, the wasting of output of holding state can be caused, not only increase production cost, and
And also reduce the life-span of equipment and add maintenance cost.
Summary of the invention
A kind of simple in construction that the purpose of the present invention is contemplated to solve the deficiency of prior art and provides, easy to operate,
Good stability, the double pressure system of the ceramic brick press constant pressure variable displacement pump of environmental protection and energy saving.
The present invention is to use following technical solution to be attained in that a kind of ceramic brick press constant pressure variable displacement pump pair
Pressure system, it is characterised in that it includes constant pressure variable displacement pump and the output pump pressure being connected on the input oil circuit of constant pressure variable displacement pump
Switching control, the input oil circuit of rear pump pressure switching control is connected with fuel tank；
Rear pump pressure switching control includes ECU, two-position three way magnetic valve, two-position two-way solenoid valve, overflow valve
One and overflow valve two, ECU connects and controls two-position three way magnetic valve, two-position two-way solenoid valve, overflow valve one and output pump pressure
Connect between the input oil circuit of switching control and have the first oil circuit, and, overflow valve one and the input oil circuit of constant pressure variable displacement pump
Connect；
It is connected between the oil-in of two-position three way magnetic valve and the input oil circuit of constant pressure variable displacement pump and has the second oil circuit, two three
The actuator port of three-way electromagnetic valve connects the input oil circuit of constant pressure variable displacement pump；The oil return opening of two-position three way magnetic valve and rear pump crush-cutting
Changing to connect between the input oil circuit of control device and have oil return line, the working oil path of two-position three way magnetic valve connects；
Overflow valve two is connected by the input oil circuit of the 3rd oil circuit with rear pump pressure switching control, bi-bit bi-pass electromagnetism
Valve is connected to the downstream of overflow valve two, and the actuator port of two-position two-way solenoid valve connects the input oil circuit of constant pressure variable displacement pump；
After constant-pressure variable pump startup, two-position three way magnetic valve switches on power, two-position two-way solenoid valve power-off, makes constant-pressure variable
Pump is in holding state, and overflow valve two controls constant pressure variable displacement pump output pressure p2；During pressure brick, two-position three way magnetic valve, two two
Three-way electromagnetic valve is energized, and it is p1 that overflow valve one controls constant-pressure variable pump pressure；Under conditions of the flow Q of constant pressure variable displacement pump is constant,
The difference power of constant pressure variable displacement pump output pump pressure p1 and p2 is:
△ P=Δ pQ/60, wherein △ p=p1-p2,
Comparing with pump pressure only one of which fixed value, double pressure system power saving rates are:
δ=(△ P/P) η * 100%, η----holding state and whole duty time ratio.
Further illustrating as such scheme, described constant pressure variable displacement pump includes hydraulic pump, variable cylinder and the first hydraulic control two
Position three-way diverter valve and the second hydraulic-control two-position three-way reversing valve, the second hydraulic-control two-position three-way reversing valve is positioned at the first hydraulic control two three
The downstream of logical reversal valve.
Further, constant-pressure variable delivery side of pump connects output circuit, and output circuit is provided with check valve and pressure
Table.
Further, described overflow valve one and overflow valve two are respectively adjustable relief valve, thus in a non-operative state, lead to
Overregulate the spring of adjustable relief valve, reach to regulate the purpose of system pressure.
The present invention uses above-mentioned technical solution can reach to provide the benefit that:
The present invention uses and arranges between input oil circuit and the fuel tank of constant pressure variable displacement pump mainly by ECU, two-position three way
The rear pump pressure switching control that electromagnetic valve, two-position two-way solenoid valve, overflow valve one and overflow valve two are constituted so that it is standby
Under state, output is far smaller than the oil pump output of pressure brick process, it is achieved the switching regulation of double pressure system power, with existing
Pump pressure only one of which fixed value compares, more energy-conserving and environment-protective, and the service life of equipment is longer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Description of reference numerals: 1, constant pressure variable displacement pump 1-1, hydraulic pump 1-2, variable cylinder 1-3, the first hydraulic control two-position three way
Reversal valve 1-4, the second hydraulic-control two-position three-way reversing valve 2, the input oil circuit 3 of constant pressure variable displacement pump, rear pump pressure switching control dress
Put 3-1, two-position three way magnetic valve 3-2, two-position two-way solenoid valve 3-3, overflow valve one 3-4, overflow valve 24, output pump pressure
The input oil circuit 5 of switching control, fuel tank the 6, first oil circuit the 7, second oil circuit 8, oil return line the 9, the 3rd oil circuit 10, list
To valve 11, Pressure gauge.
Detailed description of the invention
Below in conjunction with specific embodiment, the technical program is explained in detail.
As it is shown in figure 1, the present invention is the double pressure system of a kind of ceramic brick press constant pressure variable displacement pump, it includes constant pressure variable displacement pump
1 presses switching control 3, rear pump pressure switching control with the rear pump on the input oil circuit 2 being connected to constant pressure variable displacement pump
Input oil circuit 4 be connected with fuel tank 5；Rear pump pressure switching control 3 include ECU, two-position three way magnetic valve 3-1, two
Position two-way electromagnetic valve 3-2, overflow valve one 3-3 and overflow valve two 3-4, ECU connect control two-position three way magnetic valve, two
Two-way electromagnetic valve, is connected between overflow valve one and the input oil circuit of rear pump pressure switching control and has the first oil circuit 6, and,
Overflow valve one is connected with the input oil circuit of constant pressure variable displacement pump；The oil-in of two-position three way magnetic valve is oily with the input of constant pressure variable displacement pump
Connecting between road and have the second oil circuit 7, the actuator port of two-position three way magnetic valve connects the input oil circuit of constant pressure variable displacement pump；Two three
It is connected between the oil return opening of three-way electromagnetic valve and the input oil circuit of rear pump pressure switching control and has oil return line 8, two-position three way electricity
The working oil path of magnet valve connects；Overflow valve two is connected by the input oil circuit of the 3rd oil circuit 9 with rear pump pressure switching control,
Two-position two-way solenoid valve is connected to the downstream of overflow valve two, and the actuator port of two-position two-way solenoid valve connects the defeated of constant pressure variable displacement pump
Enter oil circuit；
In use, before starting constant pressure variable displacement pump, two-position three way magnetic valve and two-position two-way solenoid valve power-off, oil pump
It is in pressure release state；
After constant-pressure variable pump startup, two-position three way magnetic valve switches on power, two-position two-way solenoid valve power-off, makes constant-pressure variable
Pump is in holding state, and overflow valve two controls constant pressure variable displacement pump output pressure p2；During pressure brick, two-position three way magnetic valve, two two
Three-way electromagnetic valve is energized, and it is p1 that overflow valve one controls constant-pressure variable pump pressure；Under conditions of the flow Q of constant pressure variable displacement pump is constant,
The difference power of constant pressure variable displacement pump output pump pressure p1 and p2 is:
△ P=Δ pQ/60, wherein △ p=p1-p2,
Comparing with pump pressure only one of which fixed value, double pressure system power saving rates are:
δ=(△ P/P) η * 100%, η----holding state and whole duty time ratio.
Further, described constant pressure variable displacement pump 1 includes hydraulic pump 1-1, variable cylinder 1-2 and the commutation of the first hydraulic control two-position three way
Valve 1-3 and the second hydraulic-control two-position three-way reversing valve 1-4, the second hydraulic-control two-position three-way reversing valve is positioned at the first hydraulic control two-position three way and changes
To the downstream of valve.Constant-pressure variable delivery side of pump connects output circuit, and output circuit is provided with check valve 10 and Pressure gauge 11.
Described overflow valve one and overflow valve two respectively adjustable relief valve, thus in a non-operative state, by regulation adjustable relief valve
Spring, reach regulate system pressure purpose.
The present invention compared with prior art, uses and arranges between input oil circuit and the fuel tank of constant pressure variable displacement pump mainly by electricity
The rear pump pressure switching control that control unit, two-position three way magnetic valve, two-position two-way solenoid valve, overflow valve one and overflow valve two are constituted
Device so that it is output is far smaller than the oil pump output of pressure brick process in the standby state, it is achieved double pressure system power are cut
Changing regulation, compare with existing pump pressure only one of which fixed value, more energy-conserving and environment-protective, consume energy lower, performance is more superior.
Above-described is only the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into the present invention
Protection domain.
Claims (4)
1. the double pressure system of ceramic brick press constant pressure variable displacement pump, it is characterised in that it includes constant pressure variable displacement pump and is connected to
Constant pressure variable displacement pump input oil circuit on rear pump pressure switching control, rear pump pressure switching control input oil circuit with
Fuel tank connects；
Rear pump pressure switching control includes ECU, two-position three way magnetic valve, two-position two-way solenoid valve, overflow valve one and
Overflow valve two, ECU connects control two-position three way magnetic valve, two-position two-way solenoid valve, and overflow valve one changes with rear pump crush-cutting
Control to connect between the input oil circuit of device have the first oil circuit, and, overflow valve one is connected with the input oil circuit of constant pressure variable displacement pump；
It is connected between the oil-in of two-position three way magnetic valve and the input oil circuit of constant pressure variable displacement pump and has the second oil circuit, two-position three way electricity
The actuator port of magnet valve connects the input oil circuit of constant pressure variable displacement pump；The oil return opening of two-position three way magnetic valve and rear pump crush-cutting change control
Connecting between the input oil circuit of device processed and have oil return line, the working oil path of two-position three way magnetic valve connects；
Overflow valve two is connected by the input oil circuit of the 3rd oil circuit with rear pump pressure switching control, and two-position two-way solenoid valve is even
Being connected on the downstream of overflow valve two, the actuator port of two-position two-way solenoid valve connects the input oil circuit of constant pressure variable displacement pump；
After constant-pressure variable pump startup, two-position three way magnetic valve switches on power, two-position two-way solenoid valve power-off, makes at constant pressure variable displacement pump
In holding state, overflow valve two controls constant pressure variable displacement pump output pressure p2；During pressure brick, two-position three way magnetic valve, bi-bit bi-pass electricity
Magnet valve is energized, and it is p1 that overflow valve one controls constant-pressure variable pump pressure；Under conditions of the flow Q of constant pressure variable displacement pump is constant, constant voltage
The difference power of variable pump output pump pressure p1 and p2 is:
△ P=Δ pQ/60, wherein △ p=p1-p2.
The double pressure system of ceramic brick press constant pressure variable displacement pump the most according to claim 1, it is characterised in that described constant voltage becomes
Amount pump includes hydraulic pump, variable cylinder and the first hydraulic-control two-position three-way reversing valve and the second hydraulic-control two-position three-way reversing valve, the second liquid
Control two position three way directional control valve is positioned at the downstream of the first hydraulic-control two-position three-way reversing valve.
The double pressure system of ceramic brick press constant pressure variable displacement pump the most according to claim 1, it is characterised in that constant pressure variable displacement pump
Outfan connect output circuit, output circuit is provided with check valve and Pressure gauge.
The double pressure system of ceramic brick press constant pressure variable displacement pump the most according to claim 1, it is characterised in that described overflow valve
One and overflow valve two be respectively adjustable relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610894252.2A CN106286453A (en) | 2016-10-13 | 2016-10-13 | The double pressure system of ceramic brick press constant pressure variable displacement pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610894252.2A CN106286453A (en) | 2016-10-13 | 2016-10-13 | The double pressure system of ceramic brick press constant pressure variable displacement pump |
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| Publication Number | Publication Date |
|---|---|
| CN106286453A true CN106286453A (en) | 2017-01-04 |
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ID=57717724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610894252.2A Pending CN106286453A (en) | 2016-10-13 | 2016-10-13 | The double pressure system of ceramic brick press constant pressure variable displacement pump |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255094A (en) * | 2017-05-08 | 2017-10-17 | 佛山市恒力泰机械有限公司 | A kind of ceramic brick press energy saving in pumping station control method and device |
| CN108818883A (en) * | 2018-07-09 | 2018-11-16 | 广东天恒液压机械有限公司 | Ceramic press electrohydraulic control method and system |
| CN112283961A (en) * | 2020-11-11 | 2021-01-29 | 上海电气液压气动有限公司 | Double-pump joint control solar photo-thermal tracking device |
-
2016
- 2016-10-13 CN CN201610894252.2A patent/CN106286453A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255094A (en) * | 2017-05-08 | 2017-10-17 | 佛山市恒力泰机械有限公司 | A kind of ceramic brick press energy saving in pumping station control method and device |
| CN107255094B (en) * | 2017-05-08 | 2019-01-29 | 佛山市恒力泰机械有限公司 | A kind of ceramic brick press energy saving in pumping station control method and device |
| CN108818883A (en) * | 2018-07-09 | 2018-11-16 | 广东天恒液压机械有限公司 | Ceramic press electrohydraulic control method and system |
| CN108818883B (en) * | 2018-07-09 | 2023-11-14 | 广东天恒液压机械有限公司 | Ceramic press electrohydraulic control method and system |
| CN112283961A (en) * | 2020-11-11 | 2021-01-29 | 上海电气液压气动有限公司 | Double-pump joint control solar photo-thermal tracking device |
| CN112283961B (en) * | 2020-11-11 | 2022-06-21 | 上海电气液压气动有限公司 | Double-pump joint control solar photo-thermal tracking device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |