CN114183409B - High-pressure nanometer homogenizer with multiple energy accumulators for stabilizing oil pressure - Google Patents
High-pressure nanometer homogenizer with multiple energy accumulators for stabilizing oil pressure Download PDFInfo
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- CN114183409B CN114183409B CN202111532264.8A CN202111532264A CN114183409B CN 114183409 B CN114183409 B CN 114183409B CN 202111532264 A CN202111532264 A CN 202111532264A CN 114183409 B CN114183409 B CN 114183409B
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- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/021—Installations or systems with accumulators used for damping
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- 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
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- 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
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
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- Engineering & Computer Science (AREA)
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- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention relates to the technical field of homogenizers, in particular to a high-pressure nano homogenizer with multiple energy accumulators for stabilizing oil pressure, which comprises an oil tank, an oil pump, a reversing electromagnetic valve and a hydraulic cylinder, wherein the oil pump is arranged on the oil tank to suck oil and convey the oil to the hydraulic cylinder, the reversing electromagnetic valve is arranged between the oil pump and the hydraulic cylinder and used for switching the flow direction of the oil, the hydraulic cylinder comprises a first oil cavity and a second oil cavity, a first oil pipe is connected between the first oil cavity and the reversing electromagnetic valve, a second oil pipe is connected between the second oil cavity and the reversing electromagnetic valve, the first oil pipe is provided with a first energy accumulator, and the second oil pipe is provided with a second energy accumulator.
Description
Technical Field
The invention relates to the technical field of homogenizers, in particular to a high-pressure nano homogenizer with multiple energy accumulators to stabilize oil pressure.
Background
The high-pressure nano homogenizer is a process device which can uniformly and rapidly extrude liquid materials into a homogenizing interaction cavity for mixing, impacting and shearing. In the high-pressure nano homogenizer plunger pump, the processes of suction and discharge of the liquid medium are alternately carried out, and the speed of the piston is continuously changed during the displacement process. In a pump with only one working chamber, the instantaneous flow rate of the pump is not only time-varying, but also discontinuous. Along with the increase of working chambers, the pulsation amplitude of instantaneous flow is smaller and smaller, but the pulsation problem still can not be solved, and in order to solve the problem that the plunger pump of the existing high-pressure nano homogenizer causes pulsation of oil liquid during reciprocating movement, how to design a high-pressure nano homogenizer capable of stabilizing oil pressure becomes a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the present invention is to provide a high-pressure nano homogenizer with multiple energy accumulators to stabilize oil pressure, so as to solve the problem of oil pulsation when a plunger pump reciprocates.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the utility model provides a high-pressure nanometer isotropic symmetry of oil pressure is stabilized to many energy storages, includes oil tank, oil pump, switching-over solenoid valve, pneumatic cylinder, the oil pump install in absorb fluid on the oil tank and carry to the pneumatic cylinder, the switching-over solenoid valve is installed and is used for switching over the fluid flow direction between oil pump and pneumatic cylinder, the pneumatic cylinder includes first oil pocket, second oil pocket, be connected with first oil pipe between first oil pocket and the switching-over solenoid valve, be connected with second oil pipe between second oil pocket and the switching-over solenoid valve, install first energy storage ware on the first oil pipe, install the second energy storage ware on the second oil pipe.
The invention utilizes the energy accumulator to absorb the hydraulic impact generated when the hydraulic cylinder moves forwards or backwards, reduces the oil pressure pulsation generated when the plunger pump moves in a reciprocating way, and ensures the stable operation of the plunger pump.
Furthermore, a cavity where a hydraulic rod of the hydraulic cylinder is located is a second oil cavity, a one-way damping valve is installed on the first oil pipe, a damping hole in the one-way damping valve is arranged in parallel with the one-way valve, when oil in the first oil pipe flows to the hydraulic cylinder, the one-way valve in the one-way damping valve is opened, and when the oil in the first oil pipe flows to the reversing electromagnetic valve, the one-way valve in the one-way damping valve is closed.
Further, the rated pressure of the first accumulator is greater than the rated pressure of the second accumulator.
Further, a flow divider is arranged on the mounting port of the second energy accumulator and comprises a first oil duct, a valve cavity, a valve core and a second oil duct, one side port of the first oil channel is communicated with the second accumulator, the other side port of the first oil channel is communicated with the second oil pipe, the oil inlet end of the valve cavity is communicated with the first oil duct, the oil outlet end of the valve cavity is communicated with the second oil duct, a third oil pipe is connected between the second oil duct and the oil tank, the valve core is arranged in the valve cavity, a reset mechanism for driving the valve core to reset is also arranged in the valve cavity, an oil drain port connected with the oil tank is arranged on the reversing electromagnetic valve, when the pressure of the oil in the first oil duct is greater than the pressure at the oil outlet, the valve core is abutted against the inner wall of the valve cavity and closes the second oil duct, and when the pressure of the oil in the first oil duct is less than the pressure at the oil outlet, the valve core opens the second oil duct.
Furthermore, the reset mechanism is an adjusting spring, a first end of the adjusting spring is fixedly connected with the valve core, and the other end of the adjusting spring is fixed on the inner wall of one side of the valve cavity opposite to the oil outlet end.
Furthermore, a mounting groove is formed in the end face, facing the adjusting spring, of the valve core, and one end of the adjusting spring is mounted in the mounting groove.
Furthermore, a clamping groove is formed in the end face, away from the adjusting spring, of one side of the valve core, a sealing ring is installed in the clamping groove, and when the second oil duct is closed, the sealing ring abuts against the inner wall of the valve cavity.
Furthermore, an oil return pipe is arranged between an oil outlet of the oil pump and the oil tank, an overflow valve is mounted on the oil return pipe, and the rated pressure of the overflow valve is greater than that of the first energy accumulator.
Drawings
FIG. 1 is a schematic view of a first angle configuration of the present invention;
FIG. 2 is a schematic view of a second angle according to the present invention;
FIG. 3 is a hydraulic system diagram of the present invention;
FIG. 4 is a schematic view of the diverter of the present invention;
fig. 5 is a schematic structural view of the valve element.
Reference numerals: 1. an oil tank; 2. an oil pump; 3. an overflow valve; 4. a first accumulator; 5. a second accumulator; 6. a reversing solenoid valve; 7. a hydraulic cylinder; 71. a first oil chamber; 72. a second oil chamber; 8. a flow divider; 81. a first oil passage; 82. a valve cavity; 83. a pressure regulating spring; 84. a valve core; 841. mounting grooves; 842. a card slot; 85. a second oil passage; 86. a seal ring; 9. a one-way damper; 10. a plunger pump; 11. an effect homogenizing chamber; 12. a feeding and discharging one-way valve; 13. a material cup; 14. a first oil pipe; 15. a second oil pipe; 16. and a third oil pipe.
Detailed Description
The following detailed description of the present invention is provided to facilitate the understanding and appreciation of the technical aspects of the present invention in connection with the accompanying drawings.
Example (b):
the embodiment provides a high-pressure nanometer homogenizer of stable oil pressure of many energy storages, mainly solves the fluid pulse problem that produces when the plunger pump reciprocating motion.
Including oil tank 1, oil pump 2, switching-over solenoid valve 6, pneumatic cylinder 7, as shown in figure 1, oil pump 2 install in absorb fluid on the oil tank 1 and carry to pneumatic cylinder 7, switching-over solenoid valve 6 is installed and is used for switching over the fluid flow direction between oil pump 2 and pneumatic cylinder 7, it is equipped with the piston to slide in the inner chamber of pneumatic cylinder 7, the piston separates into first oil pocket 71 and second oil pocket 72 with its inner chamber, the hydraulic stem is installed on the piston and is extended pneumatic cylinder 7, and the inner chamber that has the hydraulic stem is second oil pocket 72, be connected with first oil pipe 14 between first oil pocket 71 and the switching-over solenoid valve 6, be connected with second oil pipe 15 between second oil pocket 72 and the switching-over solenoid valve 6, install first energy storage ware 4 on first oil pipe 14, install second energy storage ware 5 on the second oil pipe 15, be connected with plunger pump 10 on the hydraulic stem of pneumatic cylinder 7, one end of a liquid outlet of the plunger pump 10 is connected with an effect homogenizing cavity 11, a material cup 13 is installed between the plunger pump 10 and the effect homogenizing cavity 11, a feeding and discharging one-way valve 12 is installed at a discharge outlet of the material cup 13, and the feeding and discharging one-way valve 12 controls materials in the material cup 13 to flow to the plunger pump 10.
Specifically, the method comprises the following steps: when a hydraulic rod of the hydraulic cylinder 7 extends out, the plunger pump 10 is pushed to work, so that materials in the plunger pump 10 are pushed to the effect homogenizing cavity 11 at high pressure, high-pressure homogenization of the materials is realized, in the process, the inlet end and the outlet end of the feeding and discharging one-way valve 12 are closed and opened, when the plunger pump 10 retracts under the action of the hydraulic rod, the inlet end and the outlet end of the feeding and discharging one-way valve 12 are opened and closed, the plunger pump 10 sucks the materials in the material cup 13 into the plunger pump 10, and the materials are sucked; in the process of extending or retracting the hydraulic rod, the hydraulic cylinder 7 causes the pulsation of hydraulic oil to be absorbed by the first energy accumulator 4 and the second energy accumulator 5, and the oil pulse generated when the hydraulic rod reciprocates is reduced.
In order to slow down the speed of the hydraulic rod in the retraction process, as shown in fig. 2 and 3, a one-way damping valve 9 is installed on the first oil pipe 14, a damping hole in the one-way damping valve 9 is arranged in parallel with the one-way valve, when oil in the first oil pipe 14 flows to the hydraulic cylinder 7, the one-way valve in the one-way damping valve 9 is opened, and when oil in the first oil pipe 14 flows to the reversing electromagnetic valve 6, the one-way valve in the one-way damping valve 9 is closed.
Through the arrangement, when the hydraulic rod retracts, the reversing solenoid valve 6 flows hydraulic oil to the second oil chamber 72 through the second oil pipe 15, so as to push the piston to slide and drive the hydraulic rod to retract, at the moment, the hydraulic oil in the first oil chamber 71 flows to the reversing solenoid valve 6 through the first oil pipe 14, because the one-way valve and the damping hole in the one-way damping valve 9 are arranged in parallel, when the hydraulic oil in the first oil chamber 71 flows to the reversing solenoid valve 6, the one-way valve is closed, the hydraulic oil in the first oil chamber 71 flows to the reversing solenoid valve 6 through the damping hole and flows to the oil tank 1 from the oil drain port of the reversing solenoid valve 6, the damping hole slows down the backflow of the hydraulic oil, so as to reduce the retraction speed of the hydraulic rod, meanwhile, a good environment is provided for the plunger pump 10 to absorb materials in the material cup 13, and the material can be effectively prevented from flowing to the plunger pump 10, the material suction port of the material cup is blocked, the hydraulic rod slowly retracts to prolong the flowing time of hydraulic oil, and the energy absorption effect of the first energy accumulator 4 is further improved.
In order to improve the homogenizing effect of the high-pressure homogenizer, in the present embodiment, as shown in fig. 3, the rated pressure of the first accumulator 4 is higher than the rated pressure of the second accumulator 5.
Through the arrangement, as the rated pressure of the first energy accumulator 4 is greater than that of the second energy accumulator 5, the rated pressure inside the first oil cavity 71 is greater than that inside the second oil cavity 72 when the hydraulic rod moves forward, so that the forward speed of the hydraulic rod is increased, the plunger pump 10 can be driven to rapidly push forward, the material inside the plunger pump 10 can be rapidly pushed into the effect homogenizing cavity 13, and the homogenizing effect of the material can be improved.
In order to realize the rapid backflow of the oil in the second oil chamber 72, in this embodiment, as shown in fig. 2 and 4, a flow divider 8 is disposed on an installation port of the second energy accumulator 5, the flow divider 8 includes a first oil passage 81, a valve chamber 82, a valve core 84, and a second oil passage 85, a port on one side of the first oil passage 81 is communicated with the second energy accumulator 5, a port on the other side of the first oil passage 81 is communicated with a second oil pipe 15, an oil inlet end of the valve chamber 82 is communicated with the first oil passage 81, an oil outlet end of the valve chamber 82 is communicated with the second oil passage 85, a third oil pipe 16 is connected between the second oil passage 85 and the oil tank 1, the valve core 84 is mounted in the valve chamber 82, a reset mechanism for resetting the valve core 84 is further disposed in the valve chamber 82, an oil drain port connected to the oil tank 1 is disposed on the reversing valve 6, and when the pressure of the oil in the first oil passage 81 is greater than the pressure at the oil drain port, the valve core 84 abuts against the inner wall of the valve cavity 82 and closes the second oil passage 85, and when the oil pressure in the first oil passage 81 is smaller than the pressure at the oil outlet, the valve core 84 opens the second oil passage 85.
Through the arrangement, when the hydraulic rod moves forward, at the moment, the hydraulic oil in the second oil chamber 72 needs to flow back to the oil tank 1, the hydraulic oil in the second oil chamber 72 flows to the second oil pipe 15, at the moment, the pressure in the first oil passage 81 is smaller than the pressure at the oil outlet, at the moment, the valve core 84 opens the second oil passage 85, one part of the hydraulic oil flows back to the oil tank 1 through the oil outlet of the reversing electromagnetic valve 6, the other part of the hydraulic oil flows back to the oil tank 1 through the flow divider 8 and the third oil pipe 16, the quick return of the hydraulic oil in the second oil chamber 72 is realized, and the advancing speed of the hydraulic rod can be further improved.
In order to realize the resetting of the valve core 84, in the embodiment, as shown in fig. 4, the resetting mechanism is an adjusting spring 83, a first end of the adjusting spring 83 is fixedly connected with the valve core 84, and the other end of the adjusting spring 83 is fixed on the inner wall of the valve cavity 82 opposite to the oil outlet end.
Through the arrangement, when the pressure of the oil pressure in the first oil passage 81 is greater than the pressure at the oil outlet, the valve core 84 closes the second oil passage 85 and drives the adjusting spring 83 to stretch, and when the pressure of the oil pressure in the first oil passage 81 is less than the pressure at the oil outlet, the valve core 84 resets under the tensile force of the adjusting spring 83 and opens the second oil passage 85, so that the valve core 84 resets.
In this embodiment, as shown in fig. 5, an end surface of the valve core 84 facing the adjusting spring 83 is provided with an installation groove 841, and one end of the adjusting spring 83 is installed in the installation groove 841, so that the installation of the adjusting spring 83 is realized, and the installation stability of the adjusting spring 83 is enhanced.
In order to enhance the sealing effect of the second oil passage 85, in this embodiment, as shown in fig. 4 and fig. 5, a clamping groove 842 is formed in an end surface of the valve core 84, which is away from the adjusting spring 83, a sealing ring 86 is installed in the clamping groove 842, and when the second oil passage 85 is closed, the sealing ring 86 abuts against an inner wall of the valve cavity 82.
Through the arrangement, the abutting joint of the sealing ring 86 and the inner wall of the valve cavity 82 enhances the sealing effect of the second oil passage 85, and prevents the leakage of hydraulic oil.
In order to ensure the stable operation of the hydraulic system, in this embodiment, as shown in fig. 1 and 3, an oil return pipe is arranged between an oil outlet of the oil pump 2 and the oil tank 1, an overflow valve 3 is installed on the oil return pipe, and a rated pressure of the overflow valve 3 is greater than a rated pressure of the first energy accumulator 4.
Through the arrangement, when the pressure of the oil delivered by the oil pump 2 is greater than the rated pressure of the overflow valve 3, the overflow valve 3 is started at first, and then the oil pumped by the oil pump 2 flows back to the oil tank 1, so that the over-high pressure of a hydraulic system is prevented.
The implementation principle is as follows: during the advancing process of the hydraulic rod, the reversing solenoid valve 6 conveys oil into the first oil chamber 71 through the first oil pipe 16, at the moment, the first energy accumulator 4 is opened to absorb the oil pulsation in the first oil pipe 14, at the moment, the oil in the second oil chamber 72 flows back to the oil tank, during the process, the second energy accumulator 5 is closed, the second oil passage 85 in the flow divider 8 is opened, the oil flows to the oil tank through the third oil pipe 16 and the oil drainage port of the reversing solenoid valve 6 to accelerate the backflow of the oil in the second oil chamber 72, when the hydraulic rod retreats, the oil in the reversing solenoid valve 6 is conveyed to the second oil chamber 72 through the second oil pipe 15, at the moment, the second energy accumulator 5 is opened to absorb the oil pressure pulse in the second oil pipe 15, because the pressure of the hydraulic oil in the first oil passage 81 is higher, at the moment, the second oil passage 85 is closed, the oil in the first oil chamber 71 flows to the reversing solenoid valve 6 through the first oil pipe 14, at the moment, the one-way valve in the one-way damping valve 9 is closed, oil flows to the reversing electromagnetic valve 6 through the damping hole, the oil backflow speed is slowed down, and at the moment, the first energy accumulator 4 is closed.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention.
Claims (7)
1. The utility model provides a high-pressure nanometer isotropic symmetry of oil pressure is stabilized to many energy storages, includes oil tank (1), oil pump (2), switching-over solenoid valve (6), pneumatic cylinder (7), oil pump (2) install in absorb fluid and carry to pneumatic cylinder (7) on oil tank (1), switching-over solenoid valve (6) are installed and are used for switching fluid flow direction, its characterized in that between oil pump (2) and pneumatic cylinder (7): the hydraulic cylinder (7) comprises a first oil chamber (71) and a second oil chamber (72), a first oil pipe (14) is connected between the first oil chamber (71) and the reversing solenoid valve (6), a second oil pipe (15) is connected between the second oil chamber (72) and the reversing solenoid valve (6), a first energy accumulator (4) is installed on the first oil pipe (14), a second energy accumulator (5) is installed on the second oil pipe (15), a flow divider (8) is arranged on an installation port of the second energy accumulator (5), the flow divider (8) comprises a first oil duct (81), a valve cavity (82), a valve core (84) and a second oil duct (85), one side port of the first oil duct (81) is communicated with the second energy accumulator (5), the other side port of the first oil duct (81) is communicated with the second oil pipe (15), and the oil inlet end of the valve cavity (82) is communicated with the first oil duct (81), the oil outlet end of the valve cavity (82) is communicated with the second oil duct (85), a third oil pipe (16) is connected between the second oil duct (85) and the oil tank (1), the valve core (84) is installed in the valve cavity (82), a reset mechanism which drives the valve core (84) to reset is further arranged in the valve cavity (82), an oil drainage port which is connected with the oil tank (1) is arranged on the reversing electromagnetic valve (6), when the oil pressure in the first oil duct (81) is greater than the pressure at the oil drainage port, the valve core (84) is abutted to the inner wall of the valve cavity (82) and closes the second oil duct (85), and when the oil pressure in the first oil duct (81) is less than the pressure at the oil drainage port, the second oil duct (85) is opened by the valve core (84).
2. The high-pressure nano homogenizer with multiple accumulators for stabilizing oil pressure as claimed in claim 1, wherein: the hydraulic cylinder is characterized in that a cavity where a hydraulic rod of the hydraulic cylinder (7) is located is a second oil cavity (72), a one-way damping valve (9) is installed on the first oil pipe (14), a damping hole in the one-way damping valve (9) is arranged in parallel with the one-way valve, when oil in the first oil pipe (14) flows to the hydraulic cylinder (7), the one-way valve in the one-way damping valve (9) is opened, and when the oil in the first oil pipe (14) flows to the reversing electromagnetic valve (6), the one-way valve in the one-way damping valve (9) is closed.
3. The high-pressure nano homogenizer with multiple accumulators for stabilizing oil pressure as claimed in claim 1, wherein: the rated pressure of the first energy accumulator (4) is greater than the rated pressure of the second energy accumulator (5).
4. The high-pressure nano homogenizer with multiple accumulators for stabilizing oil pressure as claimed in claim 1, wherein: the reset mechanism is an adjusting spring (83), the first end of the adjusting spring (83) is fixedly connected with the valve core (84), and the other end of the adjusting spring is fixed on the inner wall of one side of the valve cavity (82) opposite to the oil outlet end.
5. The high-pressure nano homogenizer with multiple accumulators for stabilizing oil pressure as claimed in claim 4, wherein: the end face of one side, facing the adjusting spring (83), of the valve core (84) is provided with an installation groove (841), and one end of the adjusting spring (83) is installed in the installation groove (841).
6. The high-pressure nano homogenizer with multiple accumulators for stabilizing oil pressure as claimed in claim 5, wherein: a clamping groove (842) is formed in the end face, on one side, of the valve core (84) and away from the adjusting spring (83), a sealing ring (86) is installed in the clamping groove (842), and when the second oil channel (85) is closed, the sealing ring (86) is abutted to the inner wall of the valve cavity (82).
7. The high-pressure nano homogenizer with multiple accumulators for stabilizing oil pressure as claimed in claim 1, wherein: an oil return pipe is arranged between an oil outlet of the oil pump (2) and the oil tank (1), an overflow valve (3) is mounted on the oil return pipe, and the rated pressure of the overflow valve (3) is greater than that of the first energy accumulator (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111532264.8A CN114183409B (en) | 2021-12-15 | 2021-12-15 | High-pressure nanometer homogenizer with multiple energy accumulators for stabilizing oil pressure |
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| CN202111532264.8A CN114183409B (en) | 2021-12-15 | 2021-12-15 | High-pressure nanometer homogenizer with multiple energy accumulators for stabilizing oil pressure |
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| CN114183409B true CN114183409B (en) | 2022-05-31 |
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| CN202229980U (en) * | 2011-09-28 | 2012-05-23 | 北京索普液压机电有限公司 | Hydraulic pressurizing system of testing machine |
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| CN114183409A (en) | 2022-03-15 |
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