CN208185143U - A kind of hydraulic system of hot pressing furnace - Google Patents
A kind of hydraulic system of hot pressing furnace Download PDFInfo
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- CN208185143U CN208185143U CN201820293365.1U CN201820293365U CN208185143U CN 208185143 U CN208185143 U CN 208185143U CN 201820293365 U CN201820293365 U CN 201820293365U CN 208185143 U CN208185143 U CN 208185143U
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- 238000007731 hot pressing Methods 0.000 title claims abstract description 48
- 239000002828 fuel tank Substances 0.000 claims abstract description 53
- 238000003825 pressing Methods 0.000 claims abstract description 27
- 239000000446 fuel Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 6
- 230000001737 promoting effect Effects 0.000 claims description 2
- 230000003116 impacting effect Effects 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a kind of hydraulic system of hot pressing furnace, it is characterised in that it includes main fuel tank, presenting a theatrical performance as the last item on a programme, master cylinder, top petrol tank, lifting device, pumpout module, three-position four-way electromagnetic directional valve, Quick-pressing module, fast hoisting module, slow hoisting module, pressure release module；The oil return opening of three-position four-way electromagnetic directional valve is connect with main fuel tank；Master cylinder is connect with top petrol tank, and exuberant valve is provided in connecting pipe；The input terminal of lifting device is connected to after the exuberant valve opening module of control terminal connection one of exuberant valve；Lifting device includes several auxiliary oil cylinders being arranged upward, and the piston rod of dry auxiliary oil cylinder withstands bottom of presenting a theatrical performance as the last item on a programme；Quick-pressing module is for controlling master cylinder Quick-pressing；The pressure release module is for controlling master cylinder slow pressurization；The fast hoisting module is for controlling auxiliary oil cylinder Quick-pressing；The slow hoisting module is for controlling auxiliary oil cylinder slow pressurization.While the system can be improved the working efficiency of hot pressing furnace, avoid impacting excessive.
Description
Technical field
The utility model relates to hot pressing furnace technical field, in particular to a kind of hydraulic system of hot pressing furnace.
Background technique
Traditional hot pressing furnace present a theatrical performance as the last item on a programme be with fixed speed raising and lowering, due to need prevent from impacting it is excessive, because
The speed of this raising and lowering is restricted, and so as to cause pressurizeing and being promoted, the primary spent time is longer, working efficiency
It is low.
As it can be seen that the prior art could be improved and improve.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of hydraulic pressure systems of hot pressing furnace
System, while which can be improved the working efficiency of hot pressing furnace, avoids impacting excessive.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of hydraulic system of hot pressing furnace, including main fuel tank, present a theatrical performance as the last item on a programme, several to be arranged in top of presenting a theatrical performance as the last item on a programme, under presenting a theatrical performance as the last item on a programme
The top petrol tank above master cylinder is arranged in the master cylinder of pressure, for promoting the lifting device presented a theatrical performance as the last item on a programme, in main fuel tank
Oil is supplied to the pumpout module of master cylinder and lifting device, the three-position four-way electromagnetic directional valve connecting with the oil outlet of pumpout module,
The Quick-pressing module being connected between the first outlet of three-position four-way electromagnetic directional valve and master cylinder is connected to 3-position 4-way electricity
Fast hoisting module between the first outlet and lifting device of magnetic reversal valve is connected to the oil outlet and lifting device of pumpout module
Between slow hoisting module, and the pressure release mould being connected between the second outlet of three-position four-way electromagnetic directional valve and master cylinder
Block；
The oil return opening of the three-position four-way electromagnetic directional valve is connect with main fuel tank；
The master cylinder is connect with top petrol tank, and exuberant valve is provided in connecting pipe；Exuberant valve is hydraulic control one-way valve,
The input terminal of lifting device is connected to after the exuberant valve opening module of its control terminal connection one；
The lifting device includes several auxiliary oil cylinders being arranged upward, and the piston rod of dry auxiliary oil cylinder withstands bottom of presenting a theatrical performance as the last item on a programme；
The Quick-pressing module is for controlling master cylinder Quick-pressing；The pressure release module is for controlling master cylinder at a slow speed
Pressurization；The fast hoisting module is for controlling auxiliary oil cylinder Quick-pressing；The slow hoisting module adds at a slow speed for controlling auxiliary oil cylinder
Pressure.
In the hydraulic system of the hot pressing furnace, the Quick-pressing module includes by the first inserted valve and the first solenoid valve
The first hydraulic control one-way valve and the first plug-in flow control valve of composition；The input terminal of first hydraulic control one-way valve and three four
The first outlet of electric change valve connects, and output end is connect with the input terminal of the first plug-in flow control valve, and first inserts
The output end of dress formula flow control valve is connect with master cylinder；
The pressure release module is the second hydraulic control one-way valve being made of the second inserted valve and second solenoid valve, input terminal with
The connection of the second outlet of master cylinder and three-position four-way electromagnetic directional valve, output end are connect with main fuel tank；
The fast hoisting module include by third inserted valve and third solenoid valve block at third hydraulic control one-way valve, Yi Ji
Two plug-in flow control valves；The input terminal of third hydraulic control one-way valve and the first outlet of three-position four-way electromagnetic directional valve connect,
Its output end is connect with the input terminal of the second plug-in flow control valve, output end and the pair oil of the second plug-in flow control valve
Cylinder connection；
The slow hoisting module includes a first two-position four-way solenoid directional control valve, and is connected to first two-position four-way
The first adjustable throttling at the oil inlet of solenoid directional control valve；First adjustable throttling passes through the oil outlet of pipeline and pumpout module
Connection；One of outlet of first two-position four-way solenoid directional control valve is connect with auxiliary oil cylinder, and oil return opening is connect with main fuel tank；
It includes a second two-position four-way solenoid directional control valve that the exuberant valve, which opens module, and is connected to the two or two
Stacked compression release valve at the oil inlet of four-way electromagnetic reversing valve；The stacked compression release valve is connected to lifting device by pipeline
Input terminal；One of outlet of the second two-position four-way solenoid directional control valve is connect with the control terminal of exuberant valve, oil return opening with
Main fuel tank connection.
In the hydraulic system of the hot pressing furnace, the pumpout module includes the first oil pump, drives the first of the first oil pump
Motor, the first oil absorption filter being connected between the first oil pump inlet end and main fuel tank, and it is connected to the first fuel pump outlet
Third two-position four-way solenoid directional control valve and the first overflow valve between end and main fuel tank；Third two-position four-way solenoid directional control valve into
The oil inlet of hydraulic fluid port and the first overflow valve is connected in parallel to the first fuel pump outlet end, and third two-position four-way solenoid directional control valve is wherein
One outlet is connect with the control terminal of the first overflow valve, the oil return opening of third two-position four-way solenoid directional control valve and the first overflow valve
Oil outlet is connected in parallel to main fuel tank；First fuel pump outlet end is the oil outlet of pumpout module.
In the hydraulic system of the hot pressing furnace, one is provided at the first outlet of the three-position four-way electromagnetic directional valve
Energy storage module；The energy storage module includes an accumulator, is connected to the first outlet of accumulator and three-position four-way electromagnetic directional valve
Between the first shut-off valve, and the second adjustable throttling being connected in parallel between the input terminal and main fuel tank of the first shut-off valve
With the second overflow valve.
In the hydraulic system of the hot pressing furnace, all auxiliary oil cylinders connect after being parallel-connected to a level Four decline slowdown module
It is connected to main fuel tank；It includes a third overflow valve that the level Four, which declines slowdown module, the normally opened flow path in parallel with third overflow valve, low
Fast flow path, middling speed flow path, high speed flow path；The normally opened flow path includes concatenated third adjustable throttling and the first electromagnetism non-return
Valve；The low speed flow path includes concatenated 4th adjustable throttling and the second solenoid check valve；The middling speed flow path includes series connection
The 5th adjustable throttling and third solenoid check valve；The high speed flow path includes the 4th solenoid check valve；Described first
Solenoid check valve is identical with the metered flow of the second solenoid check valve, third solenoid check valve and the 4th solenoid check valve it is specified
Flow is identical, and the metered flow of the first solenoid check valve is smaller than third solenoid check valve.
In the hydraulic system of the hot pressing furnace, the oil outlet of the pumpout module, the second two-position four-way solenoid directional control valve
Between stacked compression release valve, the input terminal of the first shut-off valve, auxiliary oil cylinder be connected in parallel end, master cylinder input channel on
It is provided with pressure gauge；The input terminal of each pressure gauge is respectively connected with second shut-off valve.
In the hydraulic system of the hot pressing furnace, on the input terminal of first shut-off valve, the input channel of master cylinder
It is provided with pressure sensor.
In the hydraulic system of the hot pressing furnace, the first two-position four-way solenoid directional control valve connect with auxiliary oil cylinder go out
Mouth, the first outlet of three-position four-way electromagnetic directional valve, the second outlet of three-position four-way electromagnetic directional valve are respectively connected with an inserting
Formula check valve.
In the hydraulic system of the hot pressing furnace, the top petrol tank quantity is identical as the quantity of master cylinder, top petrol tank
The one-to-one connection between master cylinder；The bottom of each top petrol tank is connected to main fuel tank after being all connected with a third shut-off valve,
Its side wall is connected to main fuel tank by oil pipe.
The hydraulic system of the hot pressing furnace further includes an add-on module；The add-on module includes cooling circuit and one
A air cleaner being arranged in the air ports of main fuel tank；The cooling circuit includes sequentially connected second oil suction
Filter, the second oil pump, air cooler, and the second motor for driving the second oil pump；The input terminal of second oil absorption filter,
The output end of air cooler is connect with main fuel tank.
The utility model has the advantages that
The utility model provides a kind of hydraulic system of hot pressing furnace, and three-position four-way electromagnetic directional valve first connects when pressurization
One outlet carries out Quick-pressing to master cylinder via Quick-pressing module, makes to present a theatrical performance as the last item on a programme with the decline of larger speed, when present a theatrical performance as the last item on a programme will under
When dropping to, three-position four-way electromagnetic directional valve connects second outlet, carries out slow pressurization to master cylinder via pressure release module, makes to press
Platform presses to workpiece with smaller speed, excessive so as to avoid impacting, and the process is mainly based on high-speed motion, average speed
It is higher；Similarly, make rapid increase of presenting a theatrical performance as the last item on a programme first via fast hoisting module to lifting device pressure supply when rising, will be promoted when presenting a theatrical performance as the last item on a programme
Change when in place by slow hoisting module to lifting device pressure supply, making to present a theatrical performance as the last item on a programme is risen with smaller speed in place, so as to avoid impacting
Greatly, and the process is mainly based on high-speed motion, and average speed is higher；It is expended as it can be seen that the system can shorten lifting of presenting a theatrical performance as the last item on a programme
Time, while improving the working efficiency of hot pressing furnace, avoid impacting excessive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the hydraulic system of hot pressing furnace provided by the utility model.
Fig. 2 is the structural schematic diagram of energy storage module in the hydraulic system of hot pressing furnace provided by the utility model.
Fig. 3 is the structural schematic diagram of Quick-pressing module in the hydraulic system of hot pressing furnace provided by the utility model.
Fig. 4 is the structural schematic diagram of fast hoisting module in the hydraulic system of hot pressing furnace provided by the utility model.
Fig. 5 is the structural schematic diagram of pressure release module in the hydraulic system of hot pressing furnace provided by the utility model.
Fig. 6 is the structural schematic diagram of pumpout module in the hydraulic system of hot pressing furnace provided by the utility model.
Fig. 7 is the schematic diagram of three-position four-way electromagnetic directional valve in the hydraulic system of hot pressing furnace provided by the utility model.
Fig. 8 is the structural schematic diagram of slow hoisting module in the hydraulic system of hot pressing furnace provided by the utility model.
Fig. 9 is in the hydraulic system of hot pressing furnace provided by the utility model, and exuberant valve opens the structural schematic diagram of module.
Figure 10 is in the hydraulic system of hot pressing furnace provided by the utility model, and level Four declines the structural representation of slowdown module
Figure.
Figure 11 is the structural schematic diagram of add-on module in the hydraulic system of hot pressing furnace provided by the utility model.
Specific embodiment
The utility model provides a kind of hydraulic system of hot pressing furnace, to make the purpose of this utility model, technical solution and effect
Fruit is clearer, clear, and the utility model is further described as follows in conjunction with drawings and embodiments.It should be appreciated that this
Locate described specific embodiment only to explain the utility model, is not used to limit the utility model.
Fig. 1-11 is please referred to, the utility model provides a kind of hydraulic system of hot pressing furnace, including main fuel tank 1, present a theatrical performance as the last item on a programme 2, if
It is dry that top of presenting a theatrical performance as the last item on a programme is set, for the master cylinder 3 pushing of presenting a theatrical performance as the last item on a programme, the top petrol tank 4 above master cylinder is set, for being promoted
The lifting device 5 presented a theatrical performance as the last item on a programme, for the oil in main fuel tank being supplied to the pumpout module 6 of master cylinder and lifting device, with pumpout module
Oil outlet connection three-position four-way electromagnetic directional valve 7, be connected to the first outlet b7.1 and master of three-position four-way electromagnetic directional valve
Quick-pressing module 8 between oil cylinder 3, be connected to three-position four-way electromagnetic directional valve first outlet b7.1 and lifting device 5 it
Between fast hoisting module 9, the slow hoisting module 10 being connected between the oil outlet b6.1 of pumpout module 6 and lifting device 5, and
The pressure release module 11 being connected between the second outlet b7.2 of three-position four-way electromagnetic directional valve and master cylinder 3；
The oil return opening a7.1 of the three-position four-way electromagnetic directional valve 7 is connect with main fuel tank 1；
The master cylinder 3 is connect with top petrol tank 4, and exuberant valve 12 is provided in connecting pipe；Exuberant valve is hydraulic control list
To valve, the input terminal a5.1 of lifting device 5 is connected to after the exuberant valve opening module 13 of control terminal connection one；
The lifting device 5 includes several auxiliary oil cylinders 5.1 being arranged upward, and the piston rod of dry auxiliary oil cylinder withstands 2 bottoms of presenting a theatrical performance as the last item on a programme
Portion；
The Quick-pressing module 8 is for controlling 3 Quick-pressing of master cylinder；The pressure release module 11 is for controlling master cylinder
3 slow pressurizations；The fast hoisting module 9 is for controlling 5.1 Quick-pressing of auxiliary oil cylinder；The slow hoisting module 10 is for controlling pair
5.1 slow pressurization of oil cylinder.
Three-position four-way electromagnetic directional valve 7 first connects first outlet b7.1 when pressurization, via Quick-pressing module 8 to master cylinder
3 carry out Quick-pressings, make to present a theatrical performance as the last item on a programme 2 with the decline of larger speed, when presenting a theatrical performance as the last item on a programme will fall into place when workpiece (i.e. close to), three four
Electric change valve connects second outlet b3, carries out slow pressurization to master cylinder via pressure release module 11, makes to present a theatrical performance as the last item on a programme with smaller speed
Degree presses to workpiece, excessive so as to avoid impacting, and the process, mainly based on high-speed motion, average speed is higher；Similarly,
First via fast hoisting module 9 to 5 pressure supply of lifting device when rising, makes rapid increase of presenting a theatrical performance as the last item on a programme, change when presenting a theatrical performance as the last item on a programme will be promoted in place
By slow hoisting module 10 to lifting device pressure supply, making to present a theatrical performance as the last item on a programme is risen in place with smaller speed, excessive so as to avoid impacting, and
For the process mainly based on high-speed motion, average speed is higher；As it can be seen that the system can shorten the time that lifting of presenting a theatrical performance as the last item on a programme expends,
While improving the working efficiency of hot pressing furnace, avoid impacting excessive.
Specifically, seeing Fig. 1,3, the Quick-pressing module 8 includes by the first inserted valve 8.1a and the first solenoid valve 8.1b
The first hydraulic control one-way valve 8.1 and the first plug-in flow control valve 8.2 of composition；The input terminal of first hydraulic control one-way valve 8.1
A8.1 is connect with the first outlet b7.1 of three-position four-way electromagnetic directional valve 7, output end b8.1 and the first plug-in flow control
The input terminal a8.2 connection of valve 8.2, the output end b8.2 of the first plug-in flow control valve are connect with master cylinder 3.Need via
Under pressure, the first solenoid valve 8.1b connects the input terminal and control terminal of the first inserted valve 8.1a to Quick-pressing module, thus
Make the first hydraulic control one-way valve 8.1 open fuel feeding to pass through, and fuel supply flow rate can be controlled by the first plug-in flow control valve 8.2
System.
See Fig. 1,5, the pressure release module 11 is the second liquid being made of the second inserted valve 11.1 and second solenoid valve 11.2
Check valve is controlled, input terminal a11 is connect with the second outlet b7.2 of master cylinder 3 and three-position four-way electromagnetic directional valve, is exported
End b11 is connect with main fuel tank 1.When needing to carry out slow pressurization, second solenoid valve 11.2 connects the defeated of the second inserted valve 11.1
Enter end and control terminal, at this time by three-position four-way electromagnetic directional valve second outlet b7.2 for Lai oil can be punished in input terminal a11
At two strands, one feeds to master cylinder, and another stock passes through the second inserted valve 11.1 and flows back to main fuel tank from output end b11, to reduce
Pressure supply speed.
See Fig. 1,4, the fast hoisting module 9 includes the third being made of third inserted valve 9.1a and third solenoid valve 9.1b
Hydraulic control one-way valve 9.1 and the second plug-in flow control valve 9.2；The input terminal a9.1 of third hydraulic control one-way valve 9.1 and three
The first outlet b7.1 connection of four-way electromagnetic reversing valve, the input of output end b9.1 and the second plug-in flow control valve 9.2
A9.2 connection is held, the output end b9.2 of the second plug-in flow control valve connect the (input terminal with lifting device with auxiliary oil cylinder 5.1
A5.1 connection).When needing fast lifting to present a theatrical performance as the last item on a programme, third solenoid valve 9.1b connects input terminal and the control of third inserted valve 9.1a
End enables the first outlet b7.1 by three-position four-way electromagnetic directional valve to pass through third inserted valve 9.1a, flow direction pair for the oil come
Oil cylinder 5.1, and the second plug-in flow control valve 9.2 can control its flow.
See Fig. 1,8, the slow hoisting module 10 includes a first two-position four-way solenoid directional control valve 10.1, and is connected to
The first adjustable throttling 10.2 at the oil inlet a10.1 of the first two-position four-way solenoid directional control valve；First adjustable throttling is logical
The oil outlet b6.1 connection of piping and pumpout module；One of outlet b10.1 of first two-position four-way solenoid directional control valve with
Auxiliary oil cylinder connection, oil return opening a10.2 are connect with main fuel tank 1.When need to be promoted at a slow speed present a theatrical performance as the last item on a programme when by the first two-position four-way electromagnetism
Reversal valve 10.1 connects its oil inlet a10.1 and outlet b10.1, limits to auxiliary oil cylinder fuel feeding, and by the first adjustable throttling 10.2
Its flow is made, to achieve the purpose that be promoted at a slow speed.
See Fig. 1,9, it includes a second two-position four-way solenoid directional control valve 13.1, Yi Jilian that the exuberant valve, which opens module 13,
Connect the stacked compression release valve 13.2 at the oil inlet a13.1 of the second two-position four-way solenoid directional control valve；The stacked compression release valve
The input terminal a5.1 of lifting device is connected to by pipeline；One of outlet of the second two-position four-way solenoid directional control valve 13.1
B13.1 is connect with the control terminal of exuberant valve 12, and oil return opening a13.2 is connect with main fuel tank 1.When needing promotion to present a theatrical performance as the last item on a programme, second
Two-position four-way solenoid directional control valve 13.1 connects its oil inlet a13.1 and outlet b13.1, make the logical pressure of the control terminal of exuberant valve 12 to
Exuberant valve is opened, the oil in master cylinder 3 can enter top petrol tank 4 by exuberant valve at this time, therefore present a theatrical performance as the last item on a programme and can move up, and set
It sets stacked compression release valve and is to keep the pressure at the oil inlet a13.1 of the second two-position four-way solenoid directional control valve 13.1 to stablize,
Open exuberant valve reliably.
The system, in pressurization, three-position four-way electromagnetic directional valve 7 first connects first outlet b7.1, via Quick-pressing module
8 pairs of master cylinders 3 carry out Quick-pressing, make to present a theatrical performance as the last item on a programme 2 with the decline of larger speed, when presenting a theatrical performance as the last item on a programme will fall into place, 3-position 4-way is electric
Magnetic reversal valve connects second outlet b7.2, carries out slow pressurization to master cylinder via pressure release module 11, makes to present a theatrical performance as the last item on a programme with smaller speed
Workpiece is pressed to, it is excessive so as to avoid impacting, and also the process, mainly based on high-speed motion, average speed is higher；Similarly, on
Rise when first via fast hoisting module 9 to 5 pressure supply of lifting device, make rapid increase of presenting a theatrical performance as the last item on a programme, change when presenting a theatrical performance as the last item on a programme will be promoted in place by
To lifting device pressure supply, make to present a theatrical performance as the last item on a programme is risen in place with smaller speed slow hoisting module 10, excessive so as to avoid impacting, and should
For process mainly based on high-speed motion, average speed is higher；As it can be seen that the system can shorten the time that lifting of presenting a theatrical performance as the last item on a programme expends, mention
While the working efficiency of high hot pressing furnace, avoid impacting excessive.
Specifically, seeing Fig. 1,6, the pumpout module 6 includes the first oil pump 6.1, drives the first motor of the first oil pump
6.2, the first oil absorption filter 6.3 being connected between the first oil pump inlet end and main fuel tank 1, and be connected to the first oil pump and go out
Third two-position four-way solenoid directional control valve 6.4 and the first overflow valve 6.5 between mouth end and main fuel tank；Third two-position four-way electromagnetism changes
The oil inlet a6.2 of oil inlet a6.1 and the first overflow valve to valve are connected in parallel to the first fuel pump outlet end, third two-position four-way
One of outlet b6.2 of solenoid directional control valve is connect with the control terminal of the first overflow valve, third two-position four-way solenoid directional control valve
The oil outlet b6.3 of oil return opening a6.3 and the first overflow valve is connected in parallel to main fuel tank 1；First fuel pump outlet end is to pump mould
The oil outlet b6.1 of block.First oil absorption filter can be filtered oil, prevent the impurity in oil from entering each of hydraulic system
Cause to block in circulation duct, and the first overflow valve, which is arranged, can control output oil pressure, prevent oil pressure excessively high, the three or two
The effect of position four-way electromagnetic reversing valve is control the first overflow valve opening and closing.
Further, see Fig. 1,2, a storage is provided at the first outlet b7.1 of the three-position four-way electromagnetic directional valve 7
It can module 14；The energy storage module includes an accumulator 14.1, is connected to the first of accumulator and three-position four-way electromagnetic directional valve
The first shut-off valve 14.2 between b7.1 is exported, and is connected in parallel between the input terminal a14 of the first shut-off valve and main fuel tank 1
The second adjustable throttling 14.3 and the second overflow valve 14.4.It is to stablize for pressure pressure, eliminate that accumulator is arranged at this
Pulsation and absorption hydraulic shock, and it is to cut off the connection of accumulator and hydraulic system so as to accumulation of energy that the first shut-off valve, which is arranged,
Device repairs replacement；Second overflow valve can be automatically opened when system pressure exceeds the set pressure of the second overflow valve, will be surpassed
Pressure out is laid down, and safety valve is played；Moulding pressure can be adjusted in second adjustable throttling.
In the present embodiment, sees after Fig. 1,10, all auxiliary oil cylinders 5.1 are parallel-connected to a level Four decline slowdown module 15 and connect
It is connected to main fuel tank 1；It includes a third overflow valve 15.1 that the level Four, which declines slowdown module 15, and in parallel with third overflow valve is normally opened
Flow path, low speed flow path, middling speed flow path, high speed flow path；The normally opened flow path includes concatenated third adjustable throttling 15.1 and
One solenoid check valve 15.2；The low speed flow path includes concatenated 4th adjustable throttling 15.3 and the second solenoid check valve
15.4；The middling speed flow path includes concatenated 5th adjustable throttling 15.5 and third solenoid check valve 15.6；The high velocity stream
Road includes the 4th solenoid check valve 15.7；First solenoid check valve 15.2 and the second solenoid check valve 15.4 it is specified
Flow is identical, and third solenoid check valve 15.6 is identical with the metered flow of the 4th solenoid check valve 15.7, the first solenoid check valve
15.2 metered flow is smaller than third solenoid check valve 15.6.It presents a theatrical performance as the last item on a programme when declining, the oil in auxiliary oil cylinder needs to return main fuel tank, and
Level Four decline slowdown module can control the flow for returning to oil, to control decrease speed, wherein third overflow valve is being returned
Return pressure is opened when being more than setting, and the pressure that will exceed is laid down, and safety valve is played；First solenoid check valve 15.2 is often
It opens, when needing using friction speed decline, the second solenoid check valve 15.4, third solenoid check valve 15.6 or the can be opened
Four solenoid check valves 15.7.Level Four decrease speed flexibly uses as needed for user, strong applicability.
Preferably, see Fig. 1-11, the oil outlet b6.1 of the pumpout module 6, the second two-position four-way solenoid directional control valve 13.1
Between stacked compression release valve 13.2, the input terminal a14 of the first shut-off valve 14.2, auxiliary oil cylinder 5.1 be connected in parallel end, master cylinder
Pressure gauge 17 is provided on 3 input channel；The input terminal of each pressure gauge is respectively connected with a second shut-off valve 18(and is limited to
Picture size, in Fig. 1 only on the input channel of master cylinder pressure gauge and the second shut-off valve marked).Above each
Place's setting pressure gauge can be with pressure of the real-time measurement at this, and for detection, and it is for cut-out pressure table that the second shut-off valve, which is arranged,
Connection with hydraulic system is to repair, to replace.
Further, the input terminal a14 of first shut-off valve 14.2, be provided with pressure on the input channel of master cylinder 3
Force snesor 19.The exportable analog signal of pressure sensor can produce pressure change with the signal of its acquisition by image software
Curve graph, for detecting the pressure changing at this.
In addition, the outlet b10.1 being connect with auxiliary oil cylinder, the 3-position 4-way electromagnetism of the first two-position four-way solenoid directional control valve
The first outlet b7.1 of reversal valve, the second outlet b7.2 of three-position four-way electromagnetic directional valve are respectively connected with a plug-in one-way valve
20, with grease proofing reflux.
In preferred embodiment, Fig. 1 is seen, 4 quantity of top petrol tank is identical as the quantity of master cylinder 3, top petrol tank and master
One-to-one connection between oil cylinder；The bottom of each top petrol tank 4 is connected to main fuel tank 1 after being all connected with a third shut-off valve 21,
Its side wall is connected to main fuel tank by oil pipe.Setting third shut-off valve is repaired for convenience to main fuel tank when replacing high-order oil
Oil in case is bled off, and when the liquid level in top petrol tank is higher than the oil pipe connector of side wall, can master be flowed back to from the oil pipe automatically
Fuel tank, to keep the oil pressure of top petrol tank bottom to stablize.
Preferably, the hydraulic system for seeing Fig. 1, hot pressing furnace described in 11, further includes an add-on module 16；The add-on module
16 include cooling circuit and an air cleaner 16.1 being arranged in the air ports of main fuel tank；The cooling circuit packet
Sequentially connected second oil absorption filter 16.2, the second oil pump 16.3, air cooler 16.4 are included, and for driving the second oil pump
The second motor 16.5；The input terminal of second oil absorption filter, the output end of air cooler are connect with main fuel tank.Due to work
In the process, the liquid level in main fuel tank can change up and down, and the air for causing it internal can be passed in and out ceaselessly from main fuel tank, import and export
Upper setting air cleaner can filter out the dust in air, prevent it from entering in oil；And oil can rise in hot pressing furnace work
Temperature cools down the oil in main fuel tank by cooling circuit, and the temperature of oil can be prevented excessively high.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement all should belong to the protection of the utility model
Range.
Claims (10)
1. a kind of hydraulic system of hot pressing furnace, which is characterized in that including main fuel tank, present a theatrical performance as the last item on a programme, it is several to be arranged in top of presenting a theatrical performance as the last item on a programme, be used for
The master cylinder for pushing of presenting a theatrical performance as the last item on a programme, the top petrol tank above master cylinder is set, for promoting the lifting device presented a theatrical performance as the last item on a programme, for main
Oil in fuel tank is supplied to the pumpout module of master cylinder and lifting device, the 3-position 4-way electromagnetism connecting with the oil outlet of pumpout module
Reversal valve, the Quick-pressing module being connected between the first outlet of three-position four-way electromagnetic directional valve and master cylinder, is connected to three
Fast hoisting module between the first outlet and lifting device of position four-way electromagnetic reversing valve, be connected to the oil outlet of pumpout module with
Slow hoisting module between lifting device, and be connected between the second outlet of three-position four-way electromagnetic directional valve and master cylinder
Pressure release module；
The oil return opening of the three-position four-way electromagnetic directional valve is connect with main fuel tank；
The master cylinder is connect with top petrol tank, and exuberant valve is provided in connecting pipe；Exuberant valve is hydraulic control one-way valve, control
The input terminal of lifting device is connected to after the exuberant valve opening module of end connection one processed；
The lifting device includes several auxiliary oil cylinders being arranged upward, and the piston rod of dry auxiliary oil cylinder withstands bottom of presenting a theatrical performance as the last item on a programme；
The Quick-pressing module is for controlling master cylinder Quick-pressing；The pressure release module adds at a slow speed for controlling master cylinder
Pressure；The fast hoisting module is for controlling auxiliary oil cylinder Quick-pressing；The slow hoisting module is for controlling auxiliary oil cylinder slow pressurization.
2. the hydraulic system of hot pressing furnace according to claim 1, which is characterized in that the Quick-pressing module includes by
One inserted valve and the first solenoid valve block at the first hydraulic control one-way valve and the first plug-in flow control valve；First hydraulic control list
The first outlet of input terminal and three-position four-way electromagnetic directional valve to valve connects, output end and the first plug-in flow control valve
Input terminal connection, the output end of the first plug-in flow control valve connect with master cylinder；
The pressure release module is the second hydraulic control one-way valve being made of the second inserted valve and second solenoid valve, input terminal and main oil
The connection of the second outlet of cylinder and three-position four-way electromagnetic directional valve, output end are connect with main fuel tank；
The fast hoisting module include by third inserted valve and third solenoid valve block at third hydraulic control one-way valve and second insert
Dress formula flow control valve；The input terminal of third hydraulic control one-way valve and the first outlet of three-position four-way electromagnetic directional valve connect, defeated
Outlet is connect with the input terminal of the second plug-in flow control valve, and the output end and auxiliary oil cylinder of the second plug-in flow control valve connect
It connects；
The slow hoisting module includes a first two-position four-way solenoid directional control valve, and is connected to the first two-position four-way electromagnetism
The first adjustable throttling at the oil inlet of reversal valve；First adjustable throttling is connected by the oil outlet of pipeline and pumpout module
It connects；One of outlet of first two-position four-way solenoid directional control valve is connect with auxiliary oil cylinder, and oil return opening is connect with main fuel tank；
It includes a second two-position four-way solenoid directional control valve that the exuberant valve, which opens module, and is connected to second two-position four-way
Stacked compression release valve at the oil inlet of solenoid directional control valve；The stacked compression release valve is connected to the input of lifting device by pipeline
End；One of outlet of the second two-position four-way solenoid directional control valve is connect with the control terminal of exuberant valve, oil return opening and main oil
Case connection.
3. the hydraulic system of hot pressing furnace according to claim 2, which is characterized in that the pumpout module includes the first oil
Pump, the first motor of the first oil pump of driving, the first oil absorption filter being connected between the first oil pump inlet end and main fuel tank, with
And it is connected to third two-position four-way solenoid directional control valve and the first overflow valve between the first fuel pump outlet end and main fuel tank；Three or two
The oil inlet of position four-way electromagnetic reversing valve and the oil inlet of the first overflow valve are connected in parallel to the first fuel pump outlet end, and the three or two
One of outlet of four-way electromagnetic reversing valve is connect with the control terminal of the first overflow valve, third two-position four-way solenoid directional control valve
The oil outlet of oil return opening and the first overflow valve is connected in parallel to main fuel tank；First fuel pump outlet end is the fuel-displaced of pumpout module
Mouthful.
4. the hydraulic system of hot pressing furnace according to claim 3, which is characterized in that the three-position four-way electromagnetic directional valve
An energy storage module is provided at first outlet；The energy storage module includes an accumulator, is connected to accumulator and 3-position 4-way
The first shut-off valve between the first outlet of solenoid directional control valve, and it is connected in the input terminal and main fuel tank of the first shut-off valve in parallel
Between the second adjustable throttling and the second overflow valve.
5. the hydraulic system of hot pressing furnace according to claim 4, which is characterized in that all auxiliary oil cylinders are parallel-connected to one
Main fuel tank is connected to after level Four decline slowdown module；It includes a third overflow valve that the level Four, which declines slowdown module, is overflow with third
Flow normally opened flow path, low speed flow path, middling speed flow path, the high speed flow path of valve parallel connection；The normally opened flow path includes that concatenated third is adjustable
Throttle valve and the first solenoid check valve；The low speed flow path includes concatenated 4th adjustable throttling and the second solenoid check valve；
The middling speed flow path includes concatenated 5th adjustable throttling and third solenoid check valve；The high speed flow path includes one the 4th
Solenoid check valve；First solenoid check valve is identical with the metered flow of the second solenoid check valve, third solenoid check valve and
The metered flow of 4th solenoid check valve is identical, and the metered flow of the first solenoid check valve is smaller than third solenoid check valve.
6. the hydraulic system of hot pressing furnace according to claim 5, which is characterized in that the oil outlet of the pumpout module,
Between two two-position four-way solenoid directional control valves and stacked compression release valve, the input terminal of the first shut-off valve, auxiliary oil cylinder be connected in parallel end,
Pressure gauge is provided on the input channel of master cylinder；The input terminal of each pressure gauge is respectively connected with second shut-off valve.
7. the hydraulic system of hot pressing furnace according to claim 6, which is characterized in that the input terminal of first shut-off valve,
Pressure sensor is provided on the input channel of master cylinder.
8. the hydraulic system of hot pressing furnace according to claim 7, which is characterized in that the first two-position four-way electromagnetic switch
The outlet of valve being connect with auxiliary oil cylinder, the first outlet of three-position four-way electromagnetic directional valve, three-position four-way electromagnetic directional valve second
Outlet is respectively connected with a plug-in one-way valve.
9. the hydraulic system of hot pressing furnace according to claim 1, which is characterized in that the top petrol tank quantity and master cylinder
Quantity it is identical, one-to-one connection between top petrol tank and master cylinder；The bottom of each top petrol tank is all connected with a third and cuts
Main fuel tank is only connected to after valve, side wall is connected to main fuel tank by oil pipe.
10. the hydraulic system of hot pressing furnace according to claim 1 to 9, which is characterized in that further include one attached
Add module；The add-on module includes cooling circuit and an air cleaner being arranged in the air ports of main fuel tank；Institute
Stating cooling circuit includes sequentially connected second oil absorption filter, the second oil pump, air cooler, and for driving the second oil pump
The second motor；The input terminal of second oil absorption filter, the output end of air cooler are connect with main fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820293365.1U CN208185143U (en) | 2018-03-02 | 2018-03-02 | A kind of hydraulic system of hot pressing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820293365.1U CN208185143U (en) | 2018-03-02 | 2018-03-02 | A kind of hydraulic system of hot pressing furnace |
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| Publication Number | Publication Date |
|---|---|
| CN208185143U true CN208185143U (en) | 2018-12-04 |
Family
ID=64439172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820293365.1U Withdrawn - After Issue CN208185143U (en) | 2018-03-02 | 2018-03-02 | A kind of hydraulic system of hot pressing furnace |
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| Country | Link |
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| CN (1) | CN208185143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343653A (en) * | 2018-03-02 | 2018-07-31 | 佛山市三水粤山装饰实业有限公司 | A kind of hydraulic system of hot pressing furnace |
-
2018
- 2018-03-02 CN CN201820293365.1U patent/CN208185143U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343653A (en) * | 2018-03-02 | 2018-07-31 | 佛山市三水粤山装饰实业有限公司 | A kind of hydraulic system of hot pressing furnace |
| CN108343653B (en) * | 2018-03-02 | 2024-01-05 | 广东粤山新材料科技有限公司 | Hydraulic system of hot pressing furnace |
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| CP03 | Change of name, title or address |
Address after: 528100 No.1, Jinju street, Fanhu Economic Development Zone, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee after: Guangdong Yueshan New Material Technology Co.,Ltd. Address before: 528100 Fanhu Development Zone, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee before: FOSHAN SANSHUI YUESHAN DECORATION INDUSTRIAL Co.,Ltd. |
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Granted publication date: 20181204 Effective date of abandoning: 20240105 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181204 Effective date of abandoning: 20240105 |