CN108869464A - A kind of application method of hydraulic device, hot chamber machine and hydraulic device - Google Patents
A kind of application method of hydraulic device, hot chamber machine and hydraulic device Download PDFInfo
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- CN108869464A CN108869464A CN201810872659.4A CN201810872659A CN108869464A CN 108869464 A CN108869464 A CN 108869464A CN 201810872659 A CN201810872659 A CN 201810872659A CN 108869464 A CN108869464 A CN 108869464A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000003921 oil Substances 0.000 claims abstract description 296
- 230000001360 synchronised effect Effects 0.000 claims abstract description 157
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 57
- 230000001276 controlling effect Effects 0.000 claims description 5
- 239000002828 fuel tank Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000011109 contamination Methods 0.000 abstract description 4
- 230000000875 corresponding effect Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/02—Hot chamber machines, i.e. with heated press chamber in which metal is melted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
-
- 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
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- 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)
- Actuator (AREA)
Abstract
The present invention is suitable for hydraulic device technical field, discloses the application method of a kind of hydraulic device, hot chamber machine and hydraulic device.Above-mentioned hydraulic device includes a synchronous large tank, at least two synchronization small oil tanks driven by synchronous large tank and at least two respectively by the synchronous driving of synchronous small oil tank and the action tank for driving platform movement, the piston rod of synchronous large tank is connected to the piston rod of each synchronous small oil tank, the corresponding rodless cavity that an action tank is connected to by oil pipe of connecting of the rodless cavity of each synchronous small oil tank, the piston rod of each action tank are connected to platform.The present invention provides the application method of a kind of hydraulic device, hot chamber machine and hydraulic device, hydraulic device flow is big, and the manufacture craft requirement of each oil cylinder connection is low, the pressure loss is small, offset load resistance is good, strong to the contamination resistance of hydraulic oil, oil circuit is simple, without being proficient in professional knowledge.
Description
Technical field
The invention belongs to hydraulic device technical field more particularly to a kind of hydraulic devices, hot chamber machine and hydraulic device
Application method.
Background technique
At present with hydraulic cylinder multi-cylinder synchronize mainly and have that synchronous valve is synchronous, synchronous fuel tank is synchronous, syncmotor is synchronous, machine
The hydraulic device flow that tool is synchronous, complex controll is synchronous with proportional servosystem and traditional is small, the manufacture craft of each oil cylinder connection
It is required that height, the pressure loss are big, the unbalance loading ability of composite control method is poor, needs by adjusting repeatedly, to the anti-pollution of hydraulic oil
Dye ability is poor, and oil circuit is complicated, needs to be proficient in professional knowledge.
Summary of the invention
The present invention is directed at least solve one of above-mentioned technical problem, a kind of hydraulic device, hot chamber machine and liquid are provided
The application method of pressure device, hydraulic device flow is big, and the manufacture craft requirement of each oil cylinder connection is low, the pressure loss is small, resists inclined
Loading capability is good, needs not move through adjusting repeatedly, strong to the contamination resistance of hydraulic oil, and oil circuit is simple, without being proficient in professional knowledge.
The technical scheme is that：A kind of hydraulic device, including synchronous large tank, at least two are by synchronizing big oil
The synchronization small oil tank of cylinder driving and at least two is respectively by the synchronous driving of the synchronous small oil tank and for driving platform movement
Action tank, the piston rod of the synchronous large tank are connected to the piston rod of each synchronous small oil tank, it is each it is described synchronize it is small
The corresponding rodless cavity that an action tank is connected to by oil pipe of connecting of the rodless cavity of oil cylinder, the work of each action tank
Stopper rod is connected to the platform.
Specifically, the piston rod of each synchronous small oil tank is fixed on the synchronous large tank by piston rod fixing piece
Piston rod, and multiple synchronous small oil tanks are arranged along the piston rod fixing piece.
Specifically, the hydraulic device further includes oil inlet pipe, flowline and the first oil pipe, the second oil pipe, first oil
Pipe is connected to the rod chamber of the action tank, and second oil pipe is connected to the rodless cavity of the synchronous large tank；It is described into
It is connected with reversal valve between oil pipe, flowline and the first oil pipe, the second oil pipe, the reversal valve has for by the oil inlet
Pipe, the first oil pipe connection and by the flowline, the second oil pipe be connected to parallel channels and be used for by oil inlet pipe, the second oil pipe connect
Cross aisle that is logical and being connected to the flowline, the first oil pipe.
Specifically, the hydraulic device further includes at least two oil pipes in parallel, and one end of each oil pipe in parallel is connected to
The corresponding series connection oil pipe, the other end are connected to first oil pipe.
Specifically, each oil pipe in parallel is provided with the shut-off valve for controlling the oil pipe on-off in parallel.
Specifically, the oil inlet pipe is provided with the check valve for preventing hydraulic oil from flowing backwards.
The present invention also provides a kind of hot chamber machines, have a kind of above-mentioned hydraulic device.
The present invention also provides a kind of application method of hydraulic device, using a kind of above-mentioned hydraulic device, including it is following
Step：Hydraulic oil enters the rodless cavity of the synchronous large tank, the piston rod of the synchronous large tank push it is each it is described synchronize it is small
The piston rod of oil cylinder, the rodless cavity of the corresponding action tank of hydraulic oil flow direction in each synchronous small oil tank rodless cavity
And pushing the piston rod of the action tank protruding, each action tank is synchronous to push the platform to rise.
Specifically, include the following steps：The hydraulic device system output pressure makes the piston rod of the action tank not
Can be protruding, first obtain the reversal valve for controlling oil circuit electric, hydraulic oil, which is entered by oil inlet pipe from the second oil pipe, synchronizes big oil
The rodless cavity of cylinder, and the hydraulic oil in the rodless cavity of the action tank can flow to flowline from the first oil pipe, hydraulic oil enters
The piston rod of the rodless cavity of the synchronous large tank and the piston rod for pushing the synchronous large tank, the synchronous large tank is outside
It stretches out and the piston rod of the synchronous small oil tank is pushed to retract, the gas in the rodless cavity of the synchronous small oil tank is by being connected to
The oil pipe in parallel discharge of the series connection oil pipe, then makes the reversal valve power loss, and second oil pipe is connected to the flowline,
First oil pipe is connected to the oil inlet pipe, and hydraulic oil enters via the series connection oil pipe described same again from the oil pipe in parallel
The rodless cavity for walking small oil tank carries out repairing movement, and the piston rod of the action tank operates all steps because self weight is fully retracted
Front opening controls the shut-off valve of the on-off of the oil pipe in parallel；
Or, the hydraulic device is made the synchronous small oil tank and movement oil by regulating system output pressure first
The piston rod of cylinder is protruding, stops pressure output after fully extended, the piston rod of the action tank can be because of the platform of connection
Gravity and retract and the gas in the rodless cavity of the action tank drained into fuel tank, then restore pressure, obtain reversal valve
Electricity, hydraulic oil enters the rodless cavity of the synchronous large tank by oil inlet pipe from the second oil pipe, and hydraulic oil can be from the first oil pipe
Flowline is flowed to, hydraulic oil enters the rodless cavity of the synchronous large tank and pushes the piston rod of the synchronous large tank, described
The piston rod of synchronous large tank is protruding and the piston rod of the synchronous small oil tank is pushed to retract, the nothing of the synchronous small oil tank
Gas in rod cavity passes through oil pipe discharge in parallel, then makes the reversal valve power loss, and second oil pipe is connected to the flowline,
First oil pipe is connected to the oil inlet pipe, and hydraulic oil is by the oil pipe in parallel again via described in series connection oil pipe entrance
The rodless cavity of synchronous small oil tank operates the shut-off valve that above-mentioned all step front openings control the on-off of the oil pipe in parallel.
The application method of a kind of hydraulic device provided by the present invention, hot chamber machine and hydraulic device, hydraulic device
Pass through the diameter of the multiple synchronous small oil tanks of increase or the synchronous small oil tank of increase and the method for being correspondingly connected with an action tank obtains
To required flow, increase flow, and synchronous small oil tank is identical with corresponding action tank diameter, because being that volume is same
Step, synchronous precision is high, and then keeps the offset load resistance of hydraulic device strong, needs not move through adjusting repeatedly, resists to hydraulic oil
Pollution capacity is strong；Synchronous small oil tank with action tank is connected by oil pipe, the installation site of action tank just can flexible arrangement,
It adjusts simply, the manufacture craft requirement of each oil cylinder connection is low, the pressure loss is small and cheap, and oil circuit is simply not necessarily to be proficient in profession
Knowledge.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of system schematic of hydraulic device provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that term " setting ", " connection " shall be understood in a broad sense, for example, it may be directly arranged, install,
Connection, can also be arranged indirectly by component placed in the middle, center configuration, be connected.
In addition, in the embodiment of the present invention instructions such as " big ", " small ", " rising ", " decline ", "inner", "outside" orientation or position
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
Structure, feature, device or the element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore is not considered as limiting the invention.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is
Two or more.
As shown in Figure 1, a kind of hydraulic device provided in an embodiment of the present invention, including synchronous large tank 11, at least two
A synchronous small oil tank 12 and at least two action tanks 13, multiple synchronous small oil tanks 12 are driven by the same synchronous large tank 11
Dynamic, each action tank 13 has been correspondingly connected with a synchronous small oil tank 12 by oil pipe, and each action tank 13 is respectively by corresponding to
The synchronous driving of synchronization small oil tank 12, and the piston rod 132 of action tank 13 is connected with driving platform 10 and can drive platform
10 mobile (such as liftings), further, the diameter of action tank 13 can small oil tank 12 synchronous with what is be correspondingly connected with diameter
Unanimously, guarantee that platform 10 can be moved steadily.The piston rod 112 of synchronous large tank 11 is connected to the piston of each synchronous small oil tank 12
Bar 122, the rodless cavity 121 of each synchronous small oil tank 12 it is corresponding by oil pipe 5 of connecting be connected to an action tank 13 without bar
Chamber 131, i.e., each synchronous small oil tank 12 and each action tank 13 are respectively connected with series connection oil pipe 5, the piston of each action tank 13
Bar 132 is connected to platform 10, i.e., the piston rod 112 of synchronous large tank 11 pushes the piston rod of each synchronous small oil tank 12 when stretching out
122 it is synchronous retract, the action tank 13 that the hydraulic oil flow direction in the rodless cavity 121 of each synchronous small oil tank 12 is correspondingly connected with without bar
Chamber 131, and the piston rod 132 of each action tank 13 is pushed to stretch out, the piston rod 132 of each action tank 13 pushes platform 10 to move
It is dynamic.Its hydraulic device is by increasing the diameter of multiple synchronous small oil tanks 12 or the synchronous small oil tank 12 of increase and being correspondingly connected with one
The method of action tank 13 obtains required flow, increases flow, and synchronous small oil tank 12 and corresponding action tank 13
Diameter can be identical, because being that volume is synchronous, synchronous precision is high, and then can smoothly increase platform 10, overcomes stress
Uneven unbalance loading situation, needs not move through adjusting repeatedly, and strong to the contamination resistance of hydraulic oil；Synchronous small oil tank 12 and movement
Oil cylinder 13 is connected by oil pipe, the installation site of action tank 13 just can flexible arrangement, adjust simple, the system of each oil cylinder connection
Make technique require it is low, the pressure loss is small and cheap, oil circuit is simply not necessarily to be proficient in professional knowledge.
It should be noted that the diameter (volume) of synchronous large tank 11 is greater than the diameter (volume) of synchronous small oil tank 12,
Size is only relative concept.There is piston, one end of piston is connected with piston rod, the side with piston rod in oil cylinder in oil cylinder
For rod chamber, the other side is rodless cavity.
More specifically, can be increased by increasing the quantity of synchronous small oil tank 12 or increasing the diameter of synchronous small oil tank 12
Flow.Since synchronous small oil tank 12 is consistent with the diameter of action tank 13, by increasing the quantity of synchronous small oil tank 12 or straight
Diameter, the hydraulic oil total amount synchronized in the rodless cavity 121 of small oil tank 12 increase, when the piston rod 122 of synchronous small oil tank 12 is stretched completely
Out, when synchronizing the hydraulic oil in the rodless cavity 121 of small oil tank 12 and being completely exhausted out, the rodless cavity 131 of action tank 13 obtains phase
With the hydraulic oil (total amount i.e. after hydraulic oil increase) of total amount, the stroke that the piston rod 132 of action tank 13 is fully extended is longer,
Increase the bulk flow of hydraulic device.
More specifically, the diameter of multiple synchronous small oil tanks 12 can be identical, then the diameter of multiple action tanks 13 is also identical, respectively
The flow for the rodless cavity 131 that hydraulic oil in the rodless cavity 121 of synchronous small oil tank 12 flows to action tank 13 be it is the same, it is multiple
The piston rod 132 of action tank 13 can synchronize stretching, and platform 10 can smoothly rise, and overcome the unbalance loading situation of unbalance stress,
And multiple synchronous small oil tanks 12 and action tank 13 are same diameter, easy to make.
As shown in Figure 1, specifically, the piston rod 122 of each synchronous small oil tank 12 is fixed on synchronization by piston rod fixing piece 9
The piston rod 112 of large tank 11, then multiple synchronous small oil tanks 12, and multiple synchronous small oil tanks can be driven simultaneously by synchronizing large tank 11
12 are arranged along piston rod fixing piece 9, i.e., multiple 12 adjacent spaces of synchronous small oil tank or uniformly distributed side by side guarantee multiple synchronous small oil tanks
12 piston rod 122 can synchronize stretching, then just defining when the piston rod 132 of multiple action tanks 13 retracts from movement oil
The flow of hydraulic oil is discharged in the rodless cavity 131 of cylinder 13, from synchronous small oil tank 12 when retracting with the piston rod 122 of synchronous small oil tank 12
Rodless cavity 121 in discharge hydraulic oil flow it is consistent, so the synchronous decline of the piston rod 132 of multiple action tanks 13 (is contracted
It returns).In the present embodiment, the end of the piston rod 112 of synchronous large tank 11 is fixedly connected on the center of 9 one side of piston rod fixing piece
Place, the end of the piston rod 122 of each synchronous small oil tank 12 is fixedly connected on 9 another side of piston rod fixing piece, each synchronous small oil tank
12 piston rod 122 can opposing pistons bar fixing piece 9 center symmetric setting.Piston rod fixing piece 9 can be plate-like or be in bar
Shape, tubulose etc..
As shown in Figure 1, specifically, hydraulic device further includes oil inlet pipe 1, flowline 2 and the first oil pipe 3, the second oil pipe 4,
First oil pipe 3 is connected to the rod chamber 133 of action tank 13, and the second oil pipe 4 is connected to the rodless cavity 111 of synchronous large tank 11；
Reversal valve 7 is connected between oil inlet pipe 1, flowline 2 and the first oil pipe 3, the second oil pipe 4, reversal valve 7 has parallel channels, puts down
Oil inlet pipe 1 can be connected to the first oil pipe 3, flowline 2 is connected to the second oil pipe 4 by row of channels；Reversal valve 7, which also has, to intersect
Channel, oil inlet pipe 1 can be connected to the second oil pipe 4 by cross aisle, flowline 2 is connected to the first oil pipe 3.When reversal valve 7 loses
When electric, spool is in situ, i.e., oil inlet pipe 1, flowline 2 and the first oil pipe 3, the second oil pipe 4 are connected to the parallel logical of reversal valve 7
Road, starts hydraulic device, and hydraulic oil can enter the first oil pipe 3, and hydraulic oil from oil inlet pipe 1 via the parallel channels of reversal valve 7
Flowline 2 can be entered from the second oil pipe 4 via the parallel channels of reversal valve 7；When reversal valve 7 must be electric, spool displacement, i.e. oil inlet
Pipe 1, flowline 2 and the first oil pipe 3, the second oil pipe 4 are connected to the cross aisle of reversal valve 7, start hydraulic device, hydraulic oil can
From oil inlet pipe 1 via reversal valve 7 cross aisle enter the second oil pipe 4, and hydraulic oil from the first oil pipe 3 via reversal valve 7
Cross aisle enters flowline 2.
As shown in Figure 1, more specifically, reversal valve 7 can use two-position four-way solenoid directional control valve, two-position four-way electromagnetic switch
Valve includes two groups of channels：Parallel channels and cross aisle, every group there are four valve port, and be A mouthfuls, B mouthfuls, P mouthfuls, T mouthfuls, oil inlet
One end of pipe 1 is connected to P mouthfuls, and one end of flowline 2 is connected to T mouthfuls, and one end of the first oil pipe 3 is connected to A mouthfuls, the second oil pipe 4
One end be connected to B mouthfuls.When two-position four-way solenoid directional control valve power loss, in situ, hydraulic device is in parallel logical to spool at this time
Road：A mouthfuls are connected to P mouthfuls, and B mouthfuls are connected to T mouthfuls, and hydraulic oil enters the first oil pipe 3 by oil inlet pipe 1；When two-position four-way electromagnetism changes
When obtaining electric to valve, spool displacement, hydraulic device is in cross aisle at this time：A mouthfuls are connected to T mouthfuls, and B mouthfuls are connected to P mouthfuls, hydraulic oil
Enter the second oil pipe 4 by oil inlet pipe 1.
As shown in Figure 1, specifically, hydraulic device further includes at least two oil pipes 6 in parallel, one end of each parallel connection oil pipe 6 connects
Corresponding series connection oil pipe 5 is passed through, the other end is connected to the first oil pipe 3, when oil pipe 6 in parallel is in access, is discharged from oil pump
Hydraulic oil is no longer flow towards the rod chamber 133 of action tank 13, but by, again via each oil pipe 6 in parallel, entering after the first oil pipe 3
The rodless cavity 121 of corresponding synchronous small oil tank 12 can be exhausted, repairing movement.
As shown in Figure 1, specifically, each parallel connection oil pipe 6 is provided with shut-off valve 8, and shut-off valve 8 is for controlling oil pipe 6 in parallel
On-off.When being acted for the first time because of hydraulic device, in the rodless cavity 121 of synchronous small oil tank 12 and the rodless cavity 131 of action tank 13
There is no hydraulic oil and have gas, need to open shut-off valve 8, oil pipe 6 in parallel is made to form access, by the rodless cavity of synchronous small oil tank 12
121 and action tank 13 rodless cavity 131 in gas be discharged and be full of hydraulic oil.When shut-off valve 8 is closed, oil pipe 6 in parallel
It disconnects, hydraulic oil can pass through the rod chamber 133 of action tank 13 at this time, and hydraulic device can carry out the mobile movement of platform 10；When
When shut-off valve 8 disconnects, oil pipe 6 in parallel is access, and hydraulic oil is by oil pipe 6 in parallel at this time, and hydraulic device can be exhausted, repairing
Movement.
As shown in Figure 1, specifically, oil inlet pipe 1 is provided with the check valve 14 for preventing hydraulic oil from flowing backwards, hydraulic dress can be prevented
The system pressure set increases suddenly and damages oil pump, that is, plays the role of non-return.
The present invention also provides a kind of hot chamber machines, have a kind of above-mentioned hydraulic device.Its hydraulic device is pressed in hot cell
Play the role of executing lifting action in casting machine, the pylon part of hot chamber machine be set on the platform 10 of hydraulic device,
According to the different location of different mould gates, the lifting of platform 10 is adjusted, that is, adjusts the lifting of pylon part；And hydraulic device is set
Multiple synchronous small oil tanks 12 are equipped with, and each synchronous small oil tank 12 has been correspondingly connected with the identical action tank 13 of a volume,
Platform 10 realizes its lifting by action tank 13, because being that volume is synchronous, then synchronous precision is high, and offset load resistance is good, column
Frame part integrally can steadily be gone up and down, and unbalance loading situation is larger when preventing because using, and cause gate location inclined, the feelings that material leakage flies material occur
Condition has well solved unbalance loading situation, has reached practical purpose.
The present invention also provides a kind of application method of hydraulic device, using a kind of above-mentioned hydraulic device, including it is following
Step：Hydraulic oil enters the rodless cavity 111 of synchronous large tank 11, and the piston rod 112 of synchronous large tank 11, which pushes, each synchronizes small oil
The piston rod 122 of cylinder 12, the nothing of the corresponding action tank 13 of hydraulic oil flow direction in the rodless cavity 121 of each synchronous small oil tank 12
Rod cavity 131, and the piston rod 132 of pushing action oil cylinder 13 is protruding, and each action tank 13 is synchronous to push platform 10 to rise.
The synchronization small oil tank 12 and 13 diameter of corresponding action tank of its hydraulic device can be identical, because being that volume is synchronous, synchronous
Precision is high, and then keeps the offset load resistance of platform 10 strong, needs not move through adjusting repeatedly；Synchronous small oil tank 12 and action tank 13
To be connected by oil pipe, the installation site of action tank 13 just can flexible arrangement, the manufacture craft of each oil cylinder connection requires low, pressure
Power loss is small and cheap, and oil circuit is simply not necessarily to be proficient in professional knowledge.
As shown in Figure 1, specifically, above-mentioned application method further includes the method for exhaust, repairing, include the following steps：It is hydraulic
Apparatus system output pressure, the pressure make the piston rod 132 of action tank 13 will not be protruding, make to control changing for oil circuit first
To valve 7 it is electric, the rodless cavity 111 of synchronous large tank 11 is connected with the second oil pipe 4, and hydraulic oil is entered by the second oil pipe 4 to be synchronized
The rodless cavity 111 of large tank 11, and the rodless cavity 131 of action tank 13 is connected with the first oil pipe 3, the rodless cavity of action tank 13
Hydraulic oil in 131 can flow to flowline 2 from the first oil pipe 3, and hydraulic oil enters the rodless cavity 111 of synchronous large tank 11 and pushes
The piston rod 112 of the piston rod 112 of synchronous large tank 11, synchronous large tank 11 is protruding and pushes the work of synchronous small oil tank 12
Stopper rod 122 retracts, and the gas in the rodless cavity 121 of synchronous small oil tank 12 passes through oil pipe 6 in parallel and is discharged, and then loses reversal valve 7
Electricity, the second oil pipe 4 are connected to flowline 2, and the first oil pipe 3 is connected to oil inlet pipe 1, and hydraulic oil is from oil pipe 6 in parallel again via series connection
The rodless cavity 121 that oil pipe 5 enters synchronous small oil tank 12 carries out repairing movement, and the piston rod 132 of action tank 13 is complete because being self-possessed
It retracts, operates the shut-off valve 8 that above-mentioned all step front openings control the on-off of oil pipe 6 in parallel.Repeatedly reversal valve 7 obtains power loss
Movement makes the continuous total travel of piston rod 122 of synchronous small oil tank 12 stretch out, retract exhaust, and the piston rod 132 of action tank 13 is then
It because hypotony will not act, is repeatedly vented, until the piston rod 122 of synchronous small oil tank 12 is fully extended, and synchronizes small oil
The rodless cavity 121 of cylinder 12 is full of hydraulic oil, and the piston rod 132 of action tank 13 is fully retracted, and whole shut-off valves can be turned off manually
8, driving platform 10 does lifting action, the synchronism that the piston rod 132 of observation action tank 13 is stretched out, retracted, if asynchronous
It then opens whole shut-off valves 8 manually again, repeats above-mentioned exhaust, repairing step, until the rodless cavity 121 of synchronous small oil tank 12 and dynamic
The air made in the rodless cavity 131 of oil cylinder 13 is drained, closes shut-off valve 8 after drained, synchronizes the piston rod 122 of small oil tank 12 at this time
Fully extended, the piston rod 132 of action tank 13 is fully retracted.
Alternatively, alternately, when platform 10 is in test mode, and platform 10 has biggish self weight condition
Under, first by hydraulic device by regulating system output pressure, make the piston rod 132 of synchronous small oil tank 12 and action tank 13 to
Outer stretching, stops pressure output after fully extended, the piston rod 132 of action tank 13 can contract because of the gravity of the platform 10 of connection
It returns, and the gas in the rodless cavity of action tank 13 131 is drained into fuel tank 16, then restore pressure, reversal valve 7 is made to obtain electric, liquid
Pressure oil enters the rodless cavity 111 of synchronous large tank 11 by oil inlet pipe 1 from the second oil pipe 4, and hydraulic oil can be flowed from the first oil pipe 3
To flowline 2, hydraulic oil enters the rodless cavity 111 of synchronous large tank 11 and pushes the piston rod 112 of synchronous large tank 11, synchronous
The piston rod 112 of large tank 11 is protruding, and the piston rod 122 of synchronous small oil tank 12 is pushed to retract, synchronous small oil tank 12
Gas in rodless cavity 121 passes through oil pipe 6 in parallel and drains into fuel tank, then makes 7 power loss of reversal valve, the second oil pipe 4 and the flowline 2
Connection, the first oil pipe 3 are connected to oil inlet pipe 1, and hydraulic oil passes through oil pipe 6 in parallel and enters synchronous small oil tank via series connection oil pipe 5 again
12 rodless cavity 121 operates the shut-off valve 8 that above-mentioned all step front openings control the on-off of oil pipe 6 in parallel.Repeat above-mentioned adjusting
All steps 3 time after system output pressure can be completely exhausted out the rodless cavity 121 and action tank 13 of synchronous small oil tank 12
Rodless cavity 131 in whole air, when the piston rod 122 of synchronous small oil tank 12 is fully extended, the piston rod of action tank 13
132 when being fully retracted, and can close whole shut-off valves 8.
More specifically, the piston rod 132 of action tank 13 stretches out, contracts during hydraulic device carries out the driving of platform 10
Now nonsynchronous situation is returned back out, can be corrected using above two exhaust, oil supplement method, this two kinds exhausts, oil supplement methods
It is simple and effective.
The application method of a kind of hydraulic device, hot chamber machine and hydraulic device provided by the embodiment of the present invention, liquid
Pressure device by increase multiple synchronous small oil tanks 12 or increase synchronous small oil tank 12 diameter and be correspondingly connected with a movement
The method of oil cylinder 13 obtains required flow, increases flow, and synchronous small oil tank 12 and 13 diameter of corresponding action tank
Identical, because being that volume is synchronous, synchronous precision is high, into make hydraulic device and offset load resistance is strong, need not move through repeatedly
It adjusts, and strong to the contamination resistance of hydraulic oil；Synchronous small oil tank 12 with action tank 13 is connected by oil pipe, action tank
13 installation site just can flexible arrangement, adjust simple, the manufacture craft of each oil cylinder connection requires the low, pressure loss small and price
Cheaply, oil circuit is simple, without being proficient in professional knowledge.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of hydraulic device, which is characterized in that including a synchronous large tank, at least two by the same of synchronous large tank driving
Step small oil tank and at least two is respectively by the synchronous driving of the synchronous small oil tank and the action tank for driving platform mobile, institute
The piston rod for stating synchronous large tank is connected to the piston rod of each synchronous small oil tank, the rodless cavity of each synchronous small oil tank
The corresponding rodless cavity that an action tank is connected to by oil pipe of connecting, the piston rod of each action tank are connected to institute
State platform.
2. a kind of hydraulic device as described in claim 1, which is characterized in that the piston rod of each synchronous small oil tank passes through work
Stopper rod fixing piece is fixed on the piston rod of the synchronous large tank, and multiple synchronous small oil tanks are along the piston rod fixing piece
Setting.
3. a kind of hydraulic device as described in claim 1, which is characterized in that the hydraulic device further includes oil inlet pipe, fuel-displaced
Pipe and the first oil pipe, the second oil pipe, first oil pipe are connected to the rod chamber of the action tank, the second oil pipe connection
In the rodless cavity of the synchronous large tank；Commutation is connected between the oil inlet pipe, flowline and the first oil pipe, the second oil pipe
Valve, the reversal valve have for putting down the oil inlet pipe, the connection of the first oil pipe and by what the flowline, the second oil pipe were connected to
Row of channels with for by oil inlet pipe, the second oil pipe be connected to and by the flowline, the first oil pipe be connected to cross aisle.
4. a kind of hydraulic device as claimed in claim 3, which is characterized in that the hydraulic device further includes at least two parallel connections
One end of oil pipe, each oil pipe in parallel is connected to the corresponding series connection oil pipe, and the other end is connected to first oil pipe.
5. a kind of hydraulic device as claimed in claim 4, which is characterized in that each oil pipe in parallel is provided with for controlling
The shut-off valve of the parallel connection oil pipe on-off.
6. a kind of hydraulic device as claimed in claim 3, which is characterized in that the oil inlet pipe, which is provided with, prevents hydraulic oil from flowing backwards
Check valve.
7. a kind of hot chamber machine, which is characterized in that have a kind of such as hydraulic device described in any one of claims 1 to 6.
8. a kind of application method of hydraulic device, which is characterized in that using described one kind such as any one of claims 1 to 7
Hydraulic device includes the following steps：Hydraulic oil enters the rodless cavity of the synchronous large tank, the piston rod of the synchronous large tank
The piston rod of each synchronous small oil tank is pushed, it is described corresponding to the hydraulic oil flow direction in each synchronous small oil tank rodless cavity
The rodless cavity of action tank simultaneously pushes the piston rod of the action tank protruding, and each action tank synchronizes described in promotion
Platform rises.
9. a kind of application method of hydraulic device as claimed in claim 8, which is characterized in that include the following steps：The liquid
Pressure device system output pressure makes the piston rod of the action tank will not be protruding, first obtains the reversal valve for controlling oil circuit
Electricity, hydraulic oil enter the rodless cavity of synchronous large tank by oil inlet pipe from the second oil pipe, and in the rodless cavity of the action tank
Hydraulic oil can flow to flowline from the first oil pipe, hydraulic oil enters the rodless cavity of the synchronous large tank and pushes the synchronization
The piston rod of the piston rod of large tank, the synchronous large tank is protruding and the piston rod of the synchronous small oil tank is pushed to contract
It returns, the gas in the rodless cavity of the synchronous small oil tank is discharged by being connected to the oil pipe in parallel of the series connection oil pipe, is then made
The reversal valve power loss, second oil pipe are connected to the flowline, and first oil pipe is connected to the oil inlet pipe, hydraulic
Oil carries out repairing movement via the rodless cavity that the series connection oil pipe enters the synchronous small oil tank again from the oil pipe in parallel, described
For the piston rod of action tank because self weight is fully retracted, the above-mentioned all step front openings of operation control the on-off of the oil pipe in parallel
Shut-off valve；
Or, the hydraulic device is made the synchronous small oil tank and the action tank by regulating system output pressure first
Piston rod is protruding, stops pressure output after fully extended, the piston rod of the action tank can be because of the weight of the platform of connection
Power and retract and the gas in the rodless cavity of the action tank drained into fuel tank, then restore pressure, obtain reversal valve electric, liquid
Pressure oil enters the rodless cavity of the synchronous large tank by oil inlet pipe from the second oil pipe, and hydraulic oil can flow to out from the first oil pipe
Oil pipe, hydraulic oil enters the rodless cavity of the synchronous large tank and pushes the piston rod of the synchronous large tank, described to synchronize greatly
The piston rod of oil cylinder is protruding and the piston rod of the synchronous small oil tank is pushed to retract, in the rodless cavity of the synchronous small oil tank
Gas pass through oil pipe discharge in parallel, then make the reversal valve power loss, second oil pipe is connected to the flowline, described the
One oil pipe is connected to the oil inlet pipe, hydraulic oil by the oil pipe in parallel again via the series connection oil pipe into it is described synchronize it is small
The rodless cavity of oil cylinder operates the shut-off valve that above-mentioned all step front openings control the on-off of the oil pipe in parallel.
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| CN201810872659.4A CN108869464B (en) | 2018-08-02 | 2018-08-02 | Hydraulic device, hot chamber die casting machine and use method of hydraulic device |
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| CN108869464B (en) | 2024-04-05 |
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