CN110173478A - Driving mechanism is used in Chinese medicine production - Google Patents
Driving mechanism is used in Chinese medicine production Download PDFInfo
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- CN110173478A CN110173478A CN201910487680.7A CN201910487680A CN110173478A CN 110173478 A CN110173478 A CN 110173478A CN 201910487680 A CN201910487680 A CN 201910487680A CN 110173478 A CN110173478 A CN 110173478A
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- Prior art keywords
- piston rod
- oil
- driving
- head
- perpendicular plug
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Classifications
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/005—Crushing or disintegrating by reciprocating members hydraulically or pneumatically operated
-
- 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
- F15B11/10—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor in which the servomotor position is a function of the pressure also pressure regulators as operating means for such systems, the device itself may be a position indicating system
-
- 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
- F15B13/0401—Valve members; Fluid interconnections 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
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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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/202—Externally-operated valves mounted in or on the actuator
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
-
- 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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/28—Means for indicating the position, e.g. end of stroke
- F15B15/2815—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT
- F15B15/2838—Position sensing, i.e. means for continuous measurement of position, e.g. LVDT with out using position sensors, e.g. by volume flow measurement or pump speed
-
- 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
-
- 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
- F15B2211/25—Pressure control functions
-
- 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
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/31505—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and a return line
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7051—Linear output members
- F15B2211/7052—Single-acting output members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- Reciprocating Pumps (AREA)
- Basic Packing Technique (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The present invention relates to a kind of Chinese medicine production driving mechanisms, including piston, pressure control spring, piston rod and the cylinder body being vertically arranged, the cylinder body is divided into epicoele and cavity of resorption by piston, epicoele is equipped with upper cavity part and passes in and out oilhole, driving head can be connected to up and down on the piston rod relative to piston rod, piston rod is equipped with fuel feed hole, oil outlet and the oil duct for being connected to fuel feed hole and oil outlet, oil duct is equipped with perpendicular plug, the perpendicular plug closing vertical bar that perpendicular plug opens spring and links together with the dynamic head of institute, the power that driving head squeezes the pressure control spring when reaching setting value the perpendicular plug close vertical bar and just rise to the position that the driving perpendicular plug closes the vertical section, the oil outlet carries out oilhole with the upper cavity part by flowline and links together.The present invention provides a kind of Chinese medicine production driving mechanism that can be realized and drive maximum power when driving head constant, maximum power when solving the problems, such as existing driving mechanism driving driving head is non-constant.
Description
Technical field
The present invention relates to Chinese medicine production equipments more particularly to a kind of production of Chinese medicine to use driving mechanism.
Background technique
In Chinese Traditional Medicine, it is often necessary to use driving mechanism.When evacuation smashs dry Chinese medicine for the prepared slices of Chinese crude drugs to pieces
Even if driving driving head lifting to smash Chinese medicine to pieces to realize by driving mechanism.The driving mechanism needed is by control stroke
Mode drives driving head, and it is larger that the Chinese medicine dose in bucket of pounding medicine in a mortar not will lead to most strength when smashing Chinese medicine to pieces difference simultaneously, and
The quality of the almost the same prepared slices of Chinese crude drugs that can to smash to pieces of force requirements of pounding medicine in a mortar when smashing to pieces to same Chinese medicine is preferable,
Therefore it is impossible to meet the substantially invariable requirements of strength of pounding medicine in a mortar for existing driving mechanism.
Summary of the invention
The present invention provides a kind of Chinese medicine production driving machines that can be realized and drive maximum power when driving head constant
Structure, maximum power when solving the problems, such as existing driving mechanism driving driving head are non-constant.
The above technical problem is solved through the following technical scheme: a kind of Chinese medicine production driving mechanism, including oil cylinder,
The oil cylinder includes piston, piston rod and the cylinder body being vertically arranged, and the cylinder body is divided into epicoele and cavity of resorption by the piston, it is described on
Chamber is equipped with upper cavity part and passes in and out oilhole, and the cavity of resorption is equipped with lower cavity part and passes in and out oilhole, and the piston rod is through described in cavity of resorption stretching
Cylinder body, piston rod outer end can be connected with up and down driving head relative to piston rod, be equipped between the piston rod and driving head
The pressure control spring squeezed by driving head cooperation piston rod, the piston rod are equipped with fuel feed hole, oil outlet and are connected to
The oil duct of fuel feed hole and oil outlet, the oil duct are equipped with vertical section, the perpendicular plug for closing vertical section, drive the perpendicular of perpendicular plug unlatching
Plug opens spring and drives perpendicular plug that the perpendicular plug is overcome to open the elastic force of spring and close the perpendicular stifled of the vertical section
Head closes vertical bar, and the perpendicular plug closes vertical bar and is slidably connected together with the piston rod packing, and the perpendicular plug is closed perpendicular
Bar links together with the driving head, and the power that the driving head squeezes the pressure control spring reaches described perpendicular when setting value
Plug closes vertical bar and just rises to the position for driving the perpendicular plug to close the vertical section, and the oil outlet passes through flowline
Oilhole is carried out with the upper cavity part to link together.In use, the pressure control spring different by using the coefficient of stiffiness, so that
When the power of driving head when of falling medicine reaches so that requiring, pressure control spring be just retracted to perpendicular plug close that vertical bar rises to will be perpendicular
On plug is closed, so that epicoele input hydraulic pressure oil is given in cutting, so that piston rod stops elongation to which bar is smashed in the driving that stops production to pieces
Further downlink and carry out smashing operation to pieces, be that stopping continues to drive after reaching maximum output valve.Then liquid is inputted to cavity of resorption
Pressure oil and the hydraulic oil of epicoele is released, to realize the upper lift of driving head, to complete operation of once pounding medicine in a mortar, pound medicine in a mortar next time
When the power pounded medicine in a mortar reaches setting range, still from above-mentioned movement again.This driving object such as driving head is connected to drive when use
On dynamic head.
Preferably, the driving mechanism further includes fuel tank, the displacement sensor of the moving direction of detection piston rod, control
The oil pump for the oil in extraction fuel tank that unit and input end link together with fuel tank, the fuel feed hole are same by the first oil inlet pipe
The outlet end of the oil pump links together, and first oil inlet pipe is equipped with the first inlet valve, and the upper cavity part passes in and out oilhole
It is also linked together by the first oil return pipe with the fuel tank, first oil return pipe is equipped with the first oil return valve, the cavity of resorption
Portion's disengaging oilhole is linked together by the second oil inlet pipe with the outlet end of the oil pump, and second oil inlet pipe is equipped with second
Inlet valve, the lower cavity part disengaging oilhole also pass through the second oil return pipe and link together with the fuel tank, second oil return pipe
It is equipped with the second oil return valve；When institute's displacement sensors detect that the piston rod stopping moves down, first inlet valve
It is all closed with the second oil return valve, second inlet valve and the first oil return valve are switched on；Institute's displacement sensors detect described
Piston rod stopping is when moving up, and first inlet valve and the second oil return valve be switched on, second inlet valve and first time
Oil valve is all closed.Piston rod is in contraction state when original state, and the first inlet valve and the second oil return valve are in the open state, the
Two inlet valves and the first oil return valve are in close state, and are started the when of falling medicine and are driven oil pump, can driving head be gone up and down repeatedly
It carries out down medicine, fall efficacy of a drug rising when reaching requirement, can not then stop rising and then being declined when rising to extreme position.
Preferably, the vertical section is equipped with big top and small bottom conical surface section, the perpendicular plug is located at the conical surface section
It is interior to be sealed with the conical surface section cone match.It seals convenient, reliable and is less likely to be damaged.
Preferably, the lower end surface of the piston rod is equipped with pilot hole, the upper end of the driving head, which is equipped with, is threaded through institute
The guide head in pilot hole is stated, the pressure control spring is located in the pilot hole.Driving head is equivalent to piston rod and is risen
Good reliability when drop.
Preferably, the driving head is liftably suspended on by several along the circumferentially distributed suspended structure of piston rod
On the piston rod, the suspended structure includes the hanging rod that same driving head links together and is arranged on the piston rod circumferential surface
The strip vertically extended suspension groove, the hanging rod be equipped be located at the suspension groove in gib head.
The present invention has an advantage that the power being able to maintain when pounding medicine in a mortar is constant within the set range.
Detailed description of the invention
Fig. 1 is schematic diagram of the invention.
Partial enlargement diagram at the C of Fig. 2 Fig. 1.
In figure: driving head 2, piston 20, piston rod 21, cylinder body 22, epicoele 23, cavity of resorption 24, upper cavity part disengaging oilhole 25, under
Cavity portion passes in and out oilhole 26, pressure control spring 27, pilot hole 28, guide head 29, hanging rod 30, suspension groove 31, gib head 32, fuel feed hole
33, oil outlet 34, oil duct 35, vertical section 36, perpendicular plug 37, perpendicular plug open spring 38, perpendicular plug closes vertical bar 39, piston rod
Portion's sealing ring 40, flowline 41, fuel tank 42, displacement sensor 43, oil pump 44, the first oil inlet pipe 45, the first inlet valve 46, first
Oil return valve 48, the second oil inlet pipe 49, the second inlet valve 50, the second oil return pipe 51, the second oil return valve 52, conical surface section 53, bolt 55.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and embodiments.
Referring to Fig. 1 and Fig. 2, a kind of Chinese medicine production driving mechanism, including oil cylinder.Oil cylinder includes piston 20, piston rod 21
With the cylinder body 22 being vertically arranged.Cylinder body is divided into epicoele 23 and cavity of resorption 24 by piston.Epicoele is equipped with upper cavity part and passes in and out oilhole 25.Cavity of resorption is set
There is lower cavity part to pass in and out oilhole 26.Piston rod stretches out cylinder body through cavity of resorption.Driving head 2 can be connected to up and down work relative to piston rod
On stopper rod.The pressure control spring 27 squeezed by driving head cooperation piston rod is equipped between piston rod and driving head.Piston
The lower end surface of bar is equipped with pilot hole 28.The upper end of driving head is equipped with the guide head 29 being threaded through in pilot hole.Pressure controls bullet
Spring is located in pilot hole.Driving head is liftably suspended on piston rod along the circumferentially distributed suspended structure of piston rod by several
On.Suspended structure includes the hanging rod 30 and vertically extending on piston rod circumferential surface is arranged in that same driving head links together
Strip suspension groove 31.Hanging rod is equipped with the gib head 32 being located in suspension groove.Driving head is separated to gib head with piston rod and is hooked in
When being unable to continue to separate on suspension groove, guide head is located in pilot hole.Hanging rod is connected to one with driving head by bolt 55
It rises.,
Piston rod is equipped with fuel feed hole 33, oil outlet 34 and the oil duct 35 for being connected to fuel feed hole and oil outlet.Oil duct is equipped with vertical section
36, the perpendicular plug 37 of vertical section is closed, drives the perpendicular plug of perpendicular plug unlatching to open spring 38 and perpendicular plug is driven to overcome perpendicular block up
The perpendicular plug that head opens the elastic force of spring and closes the vertical section closes vertical bar 39.It is sliding with piston rod that perpendicular plug closes vertical bar
Dynamic to link together, perpendicular plug closes vertical bar and is linked together by piston bar portion sealing ring 40 with piston rod packing.Perpendicular plug
Vertical bar is closed to link together with the driving head.The power of driving head squeeze pressure control spring reaches perpendicular plug pass when setting value
It closes vertical bar and just rises to the position for driving perpendicular plug to close vertical section.Oil outlet carries out oilhole with upper cavity part by flowline 41
It links together.Driving mechanism further include fuel tank 42, the displacement sensor 43 of moving direction for detecting piston rod, control unit and
The oil pump 44 for the oil in extraction fuel tank that input end links together with fuel tank.Fuel feed hole is by the first oil inlet pipe 45 with oil pump
Outlet end links together.First oil inlet pipe is equipped with the first inlet valve 46.Upper cavity part disengaging oilhole also passes through the first oil return pipe
47 link together with fuel tank.First oil return pipe is equipped with the first oil return valve 48.Lower cavity part passes in and out oilhole and passes through the second oil inlet pipe
49 link together with the outlet end of oil pump.Second oil inlet pipe is equipped with the second inlet valve 50.Lower cavity part disengaging oilhole also passes through
Second oil return pipe 51 links together with fuel tank.Second oil return pipe is equipped with the second oil return valve 52.Vertical section be equipped with upper end it is small under
Hold big conical surface section 53.Perpendicular plug is located in the conical surface section to be sealed with conical surface section cone match.All valves are all electricity
Dynamic valve.
When needing to drive object such as tamping rod, control unit carry out initialization make piston rod be in contraction state, first into
Oil valve and the initialization that the second oil return valve is in the open state, the first oil return valve and the second inlet valve are in close state, then
Oil pump driving.Oil pump by fuel tank oil input epicoele and drive piston rod extend so that driving head move down realization driving,
Driving head contact driven object body and by reaction force make that driving head is moved up relative to piston rod and squeeze pressure is controlled
Perpendicular plug is driven to go to close oil duct while spring.When the length that pressure control spring is shunk reaches the power that set amount has been pounded medicine in a mortar
When reaching setting value, plug closing vertical bar is erected at this time, perpendicular plug is just driven to close oil duct, so that piston rod halt production is stretched
(being to drive the power of object that can not further increase) out.Displacement sensor detects that piston rod stopping is moved down and fed back
To control unit, control first closes the first inlet valve and the second oil return valve all, the second inlet valve and the first oil return valve are all opened
It opens, the result of the effect is oil pump to be input to down the oil in fuel tank intracavitary and promote that piston rod moves up and upper intracavitary oil flows back
Into fuel tank, piston rod rising makes driving head and piston rod lose the squeezing action to pressure control spring, pressure control spring
It resets.Then stop rising when piston rod rises to when extreme position is unable to and continues and rise, displacement sensor detects at this time
Piston rod stopping moves up and feeds back to control unit, and control unit is switched on the first inlet valve and the second oil return valve, the
Two inlet valves and the first oil return valve are all closed, and the result of the effect makes oil pump that the oil input in fuel tank is upper intracavitary again and drives
Piston rod elongation, so recycles and carries out driving object and the maximum power for driving object each time is made to be constant.
Claims (5)
1. a kind of Chinese medicine production driving mechanism, including oil cylinder, which is characterized in that the oil cylinder includes piston, piston rod and erects
The cylinder body is divided into epicoele and cavity of resorption by the cylinder body set, the piston, and the epicoele is equipped with upper cavity part and passes in and out oilhole, under described
Chamber is equipped with lower cavity part and passes in and out oilhole, and the piston rod stretches out the cylinder body through the cavity of resorption, and the outer end of the piston rod being capable of phase
Driving head is connected with for piston rod up and down, is equipped between the piston rod and driving head and is carried out by driving head cooperation piston rod
The pressure control spring of extruding, the piston rod are equipped with fuel feed hole, oil outlet and the oil duct for being connected to fuel feed hole and oil outlet, institute
Oil duct is stated to be equipped with vertical section, the perpendicular plug for closing vertical section, drive the perpendicular plug unlatching spring of perpendicular plug unlatching and driving perpendicular stifled
The perpendicular plug that head overcomes the perpendicular plug to open the elastic force of spring and close the vertical section closes vertical bar, and the perpendicular plug closes
It closes vertical bar to be slidably connected together with the piston rod packing, the perpendicular plug closes vertical bar and is connected to one with the driving head
Rise, the power that the driving head squeezes the pressure control spring when reaching setting value the perpendicular plug close vertical bar and just rise to drive
The position that the perpendicular plug closes the vertical section is moved, the oil outlet carries out oilhole company with the upper cavity part by flowline
It is connected together.
2. Chinese medicine production driving mechanism according to claim 1, which is characterized in that further include fuel tank, detection piston rod
Moving direction displacement sensor, control unit and input end with fuel tank link together extraction fuel tank in oil oil
Pump, the fuel feed hole are linked together by the first oil inlet pipe with the outlet end of the oil pump, and first oil inlet pipe is equipped with
First inlet valve, the upper cavity part disengaging oilhole also pass through the first oil return pipe and link together with the fuel tank, and described first time
Oil pipe is equipped with the first oil return valve, and the lower cavity part disengaging oilhole is connected to by the second oil inlet pipe with the outlet end of the oil pump
Together, second oil inlet pipe is equipped with the second inlet valve, and the lower cavity part disengaging oilhole also passes through the second oil return pipe with described
Fuel tank links together, and second oil return pipe is equipped with the second oil return valve；Institute's displacement sensors detect the piston rod
Stopping is when moving down, first inlet valve and the second oil return valve all close, second inlet valve and the first oil return valve all
It opens；When institute's displacement sensors detect that the piston rod stopping moves up, first inlet valve and the second oil return valve
It is switched on, second inlet valve and the first oil return valve are all closed.
3. Chinese medicine production driving mechanism according to claim 1 or 2, which is characterized in that the vertical section is equipped with upper end
The big conical surface section in small lower end, the perpendicular plug is located in the conical surface section to be sealed with the conical surface section cone match.
4. Chinese medicine production driving mechanism according to claim 1 or 2, which is characterized in that the lower end surface of the piston rod
It is equipped with pilot hole, the upper end of the driving head is equipped with the guide head being threaded through in the pilot hole, the pressure control spring
In the pilot hole.
5. Chinese medicine production driving mechanism according to claim 1 or 2, which is characterized in that the driving head passes through several
A suspended structure circumferentially distributed along piston rod is liftably suspended on the piston rod, and the suspended structure includes with driving
The suspension groove of hanging rod and the strip vertically extended being arranged on the piston rod circumferential surface that head links together, institute
It states hanging rod and is equipped with the gib head being located in the suspension groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487680.7A CN110173478B (en) | 2019-06-05 | 2019-06-05 | Actuating mechanism for traditional Chinese medicine production |
| CN202010195614.5A CN111412191B (en) | 2019-06-05 | 2019-06-05 | Actuating mechanism for traditional Chinese medicine production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487680.7A CN110173478B (en) | 2019-06-05 | 2019-06-05 | Actuating mechanism for traditional Chinese medicine production |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010195614.5A Division CN111412191B (en) | 2019-06-05 | 2019-06-05 | Actuating mechanism for traditional Chinese medicine production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110173478A true CN110173478A (en) | 2019-08-27 |
| CN110173478B CN110173478B (en) | 2020-05-05 |
Family
ID=67697967
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910487680.7A Active CN110173478B (en) | 2019-06-05 | 2019-06-05 | Actuating mechanism for traditional Chinese medicine production |
| CN202010195614.5A Active CN111412191B (en) | 2019-06-05 | 2019-06-05 | Actuating mechanism for traditional Chinese medicine production |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010195614.5A Active CN111412191B (en) | 2019-06-05 | 2019-06-05 | Actuating mechanism for traditional Chinese medicine production |
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| CN110173478B (en) * | 2019-06-05 | 2020-05-05 | 浙江厚达智能科技股份有限公司 | Actuating mechanism for traditional Chinese medicine production |
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| EP0552815B1 (en) * | 1987-12-01 | 1996-03-06 | Festo KG | Pneumatic shock absorber |
| CN104481963A (en) * | 2014-11-05 | 2015-04-01 | 三一汽车制造有限公司 | Oil cylinder, pumping system and concrete pumping device |
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| US20180003201A1 (en) * | 2016-06-30 | 2018-01-04 | Sonnax Industries, Inc. | Servo With Increased Release Force |
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| SE529252C2 (en) * | 2005-08-24 | 2007-06-12 | Kongsberg Automotive Asa | System and method for mounting / disassembling a cylinder unit in a vehicle |
| DE102008010652B3 (en) * | 2008-02-22 | 2009-11-05 | Polysius Ag | Power transmission system and roller mill |
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| CN110173478B (en) * | 2019-06-05 | 2020-05-05 | 浙江厚达智能科技股份有限公司 | Actuating mechanism for traditional Chinese medicine production |
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| EP0552815B1 (en) * | 1987-12-01 | 1996-03-06 | Festo KG | Pneumatic shock absorber |
| CN104481963A (en) * | 2014-11-05 | 2015-04-01 | 三一汽车制造有限公司 | Oil cylinder, pumping system and concrete pumping device |
| CN105715616A (en) * | 2014-12-23 | 2016-06-29 | 波克兰液压工业设备公司 | Device For Automatically Switching The Displacement Of A Machine With Axial Pistons |
| US20180003201A1 (en) * | 2016-06-30 | 2018-01-04 | Sonnax Industries, Inc. | Servo With Increased Release Force |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110173478B (en) | 2020-05-05 |
| CN111412191A (en) | 2020-07-14 |
| CN111412191B (en) | 2021-10-08 |
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