CN206882495U - The independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press - Google Patents
The independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press Download PDFInfo
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- CN206882495U CN206882495U CN201621060726.5U CN201621060726U CN206882495U CN 206882495 U CN206882495 U CN 206882495U CN 201621060726 U CN201621060726 U CN 201621060726U CN 206882495 U CN206882495 U CN 206882495U
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Abstract
It the utility model is related to a kind of independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press.It includes Oil pump electrical machinery group, system pressure regulating valve, peripheral cylinder inlet valve, take blame for others soon the check valve being connected with peripheral cylinder, take blame for others soon inlet valve, eject pressure regulator valve, twin-stage of taking blame for others soon supports valve, cylinder upper cavity oil fuel outlet valve, cylinder upper cavity oil inlet valve, cylinder upper cavity oil oil sucting valve, replenishing valve, the outlet of Oil pump electrical machinery group connects fast jacking oil pipe line by in-line and fast jacking oil pipe line connects the lower end hydraulic fluid port of hydraulic cushion cylinder, the upper end hydraulic fluid port of hydraulic cushion cylinder connects the oil return opening of fuel tank by return line, return line is connected by system pressure-relief valve on in-line, the peripheral cylinder of hydraulic cushion cylinder both sides is connected by pipeline and replenishing valve is housed on fuel tank and pipeline.Advantage is ingenious in design, and easy to use, master cylinder oil circuit of taking blame for others is separately controlled, and improves efficiency, reduces fault rate during unified oil circuit, and the hydraulic die cushion speed of service is faster and more steady.
Description
Technical field
It the utility model is related to the hydraulic system of the hydraulic die cushion of hydraulic press, and in particular to a kind of big table top thin plate stretching hydraulic pressure
The independent fast driving hydraulic system of the hydraulic die cushion of machine.
Background technology
Conventional hydraulic machine hydraulic pressure mattress system shares oil pump with master cylinder, starts to eject when master cylinder backhaul is to top, work effect
Rate is slower, and the system is driven using independent, and when master cylinder starts backhaul, hydraulic fluid starts to eject, for solve ejection speed with
Master cylinder is synchronous, and the system increases quick ejecting function.
Utility model content
The utility model is a kind of hydraulic die cushion independence fast driving hydraulic system of large-scale hydraulic sheet metal drawing press, the system
By hydraulic oil pump group of motors, dedicated hydraulic valve group, multigroup ejection cylinder, replenishing valve and surge-tank composition.
The technical solution of the utility model：
The independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press, it includes Oil pump electrical machinery group,
System pressure regulating valve, peripheral cylinder inlet valve, the check valve being connected with peripheral cylinder of taking blame for others soon, inlet valve of taking blame for others soon, pressure regulator valve is ejected,
Twin-stage of taking blame for others soon supports valve, cylinder upper cavity oil fuel outlet valve, cylinder upper cavity oil inlet valve, cylinder upper cavity oil oil sucting valve, replenishing valve, Oil pump electrical machinery
The outlet of group connects fast jacking oil pipe line by in-line and fast jacking oil pipe line connects the lower end hydraulic fluid port of hydraulic cushion cylinder, hydraulic pressure
The upper end hydraulic fluid port for padding cylinder connects the oil return opening of fuel tank by return line, passes through system pressure-relief valve connection oil return pipe on in-line
Road, the peripheral cylinder of hydraulic cushion cylinder both sides is connected by pipeline is equipped with replenishing valve, the periphery of hydraulic cushion cylinder both sides on fuel tank and pipeline
Cylinder also connects in-line by slow jacking oil pipe line, connects the upper end oil of hydraulic cushion cylinder on in-line by lower earthen pipe road
Mouthful, hydraulic cushion cylinder lower end hydraulic fluid port connects fuel tank by lower cylinder return line, and cylinder upper cavity oil fuel outlet valve is housed on lower cylinder return line,
Check valve is housed on in-line, take blame for others soon inlet valve and twin-stage of taking blame for others soon support valve are sequentially arranged with fast jacking oil pipe line, slowly
Peripheral cylinder inlet valve is housed on jacking oil pipe line；Cylinder upper cavity oil inlet valve is housed on lower earthen pipe road, oil cylinder is housed on return line
Epicoele fuel outlet valve；Between described fast jacking oil pipe line and slow jacking oil pipe line equipped with take blame for others soon be connected with peripheral cylinder it is unidirectional
Valve；Lower earthen pipe road is connected by pipeline and cylinder upper cavity oil oil sucting valve is housed on fuel tank and pipeline.
Described replenishing valve connects in-line by topping up control piper, and check valve is housed on topping up control piper and filled
Hydraulic control valve YA4.
Described system pressure regulating valve is controlled by magnetic valve YA1 and connected, and the maximum pressure of system pressure regulating valve is 27.5MPa.
The maximum pressure of described ejection pressure regulator valve is 27.5MPa.
The maximum pressure of described cylinder upper cavity oil fuel outlet valve is 27.5MPa.
Described peripheral cylinder inlet valve is controlled by magnetic valve YA6 and connected.
Described twin-stage support valve of taking blame for others soon is controlled by magnetic valve YA5 to be connected.
Described control magnetic valve YA2 and YA3 control connects cylinder upper cavity oil inlet valve, cylinder upper cavity oil fuel outlet valve, taken blame for others soon
Check valve, the inlet valve of taking blame for others soon being connected with peripheral cylinder.The end of check valve 4 one is connected to before peripheral cylinder inlet valve, another termination
In taking blame for others soon, twin-stage is supported between valve and inlet valve of taking blame for others soon.
Easy to use the utility model has the advantages that ingenious in design, master cylinder oil circuit of taking blame for others is separately controlled, and improves efficiency, subtracts
Unify fault rate during oil circuit less, the hydraulic die cushion speed of service is faster and more steady.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Referring to the drawings 1, the independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press, it includes oil
Pump motor group 1, system pressure regulating valve 2, peripheral cylinder inlet valve 3, the check valve 4 being connected with peripheral cylinder of taking blame for others soon, oil-feed of taking blame for others soon
Valve 5, eject pressure regulator valve 6, twin-stage of taking blame for others soon support valve 7, cylinder upper cavity oil fuel outlet valve 8, cylinder upper cavity oil inlet valve 9, cylinder upper cavity oil suction
Fuel tap 10, replenishing valve 14, the outlet of Oil pump electrical machinery group 1 connect fast jacking oil pipe line and fast jacking oil pipe line by in-line
The lower end hydraulic fluid port of hydraulic cushion cylinder 12 is connected, the upper end hydraulic fluid port of hydraulic cushion cylinder 12 is connected the oil return opening of fuel tank by return line, entered
Return line is connected by system pressure-relief valve 2 on oil pipe line, the peripheral cylinder 13 of the both sides of hydraulic cushion cylinder 12 connects fuel tank by pipeline
And replenishing valve 14 is housed on pipeline, the peripheral cylinder 13 of the both sides of hydraulic cushion cylinder 12 also connects in-line by slow jacking oil pipe line,
The upper end hydraulic fluid port of hydraulic cushion cylinder 12 is connected on in-line by lower earthen pipe road, the lower end hydraulic fluid port of hydraulic cushion cylinder 12 passes through lower cylinder oil return
Pipeline connects fuel tank, and cylinder upper cavity oil fuel outlet valve 8 is housed on lower cylinder return line, and check valve, fast jacking oil are housed on in-line
Take blame for others soon inlet valve 5 and twin-stage of taking blame for others soon support valve 7 are sequentially arranged with pipeline, peripheral cylinder inlet valve is housed on slow jacking oil pipe line
3；Cylinder upper cavity oil inlet valve 9 is housed on lower earthen pipe road, cylinder upper cavity oil fuel outlet valve 8 is housed on return line；Described fast jacking oil
The check valve 4 taken blame for others and be connected with peripheral cylinder soon is housed between pipeline and slow jacking oil pipe line；Lower earthen pipe road is connected by pipeline
Cylinder upper cavity oil oil sucting valve 10 is housed on fuel tank and pipeline.
Described replenishing valve 14 connects in-line by topping up control piper, and check valve 11 is housed on topping up control piper
With topping up control valve YA4.
Described system pressure regulating valve 2 is controlled by magnetic valve YA1 and connected, and the maximum pressure of system pressure regulating valve is 27.5MPa.
The maximum pressure of described ejection pressure regulator valve 6 is 27.5MPa.
The maximum pressure of described cylinder upper cavity oil fuel outlet valve 8 is 27.5MPa.
Described peripheral cylinder inlet valve 3 is controlled by magnetic valve YA6 and connected.
Described twin-stage support valve 7 of taking blame for others soon is controlled by magnetic valve YA5 to be connected.
Described control magnetic valve YA2 and YA3 control connects cylinder upper cavity oil inlet valve 8, cylinder upper cavity oil fuel outlet valve 9, fast top
Check valve 4 that cylinder is connected with peripheral cylinder, inlet valve 5 of taking blame for others soon.
Oil cylinder uses piston cylinder among the system, and periphery uses multiple plunger cases, and optimal cloth is selected according to hydraulic die cushion area
Oil cylinder is put, makes hydraulic die cushion uniform force, middle oil cylinder ejects use soon, and periphery oil cylinder is equipped with replenishing valve, is inhaled automatically at fast top
Oil, it is fast under when antodischarging oil, as shown, 1 be Oil pump electrical machinery group, and 2 be system pressure regulating valve, and 3 be peripheral cylinder inlet valve, and 4 be to push up soon
The check valve that cylinder is connected with peripheral cylinder, 5 be inlet valve of taking blame for others soon, and 6 ejection pressure regulator valves, 7 support valve for twin-stage of taking blame for others soon, and 8 are
Cylinder upper cavity oil fuel outlet valve, 9 be cylinder upper cavity oil inlet valve, and 10 be cylinder upper cavity oil oil sucting valve, and 14 be replenishing valve.Start during fast top oil from
Oil pump is got, and through 2 system pressure regulatings, 5 fast cylinder oil-feeds, 7 fast cylinder two levels support valve reaches fast cylinder cavity of resorption, and fast cylinder epicoele leads to
8 are crossed to drain the oil, so as to promote fast cylinder quickly to move up, peripheral cylinder by 14 replenishing valve oil suctions so that hydraulic die cushion fast uplink, soon
3 valves are opened when turning slow, switch to slow up, and fluid enters epicoele by valve 9 during lower cylinder, and peripheral cylinder is drained the oil by replenishing valve, fast cylinder
Drained the oil by 6 valves.When turning slow top on fast top, because hydraulic die cushion is heavier, peripheral cylinder oil suction deficiency, general hydraulic die cushion can it is quick under
Fall, to solve this problem, we add check valve 4, and the end of check valve 4 one is connected to before peripheral cylinder inlet valve, another termination
In taking blame for others soon between twin-stage support valve and inlet valve of taking blame for others soon, so middle fast cylinder seals 4 and 5 valves always, makes fast cylinder
Always full of oil, and solve fast-turn construction and fall phenomenon at present slowly, do not influence unified tensile force again in stretching.Due to hydraulic die cushion area
It is larger, for prevent stop when hydraulic die cushion deadweight it is descending, we add twin-stage support valve 7. so do not increasing larger cost
In the case of, the steady quick operation of hydraulic die cushion is realized by special hydraulic circuit.
Claims (8)
1. the independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press, it is characterised in that it includes oil
Pump motor group, system pressure regulating valve, peripheral cylinder inlet valve, the check valve being connected with peripheral cylinder of taking blame for others soon, inlet valve of taking blame for others soon, top
Go out pressure regulator valve, twin-stage of taking blame for others soon support valve, cylinder upper cavity oil fuel outlet valve, cylinder upper cavity oil inlet valve, cylinder upper cavity oil oil sucting valve, topping up
Valve, the outlet of Oil pump electrical machinery group connects fast jacking oil pipe line by in-line and fast jacking oil pipe line is connected under hydraulic cushion cylinder
Hydraulic fluid port is held, the upper end hydraulic fluid port of hydraulic cushion cylinder is connected the oil return opening of fuel tank by return line, passes through system release on in-line
Valve connects return line, and the peripheral cylinder of hydraulic cushion cylinder both sides is connected by pipeline is equipped with replenishing valve, hydraulic die cushion on fuel tank and pipeline
The peripheral cylinder of cylinder both sides also connects in-line by slow jacking oil pipe line, passes through lower earthen pipe road connection hydraulic die cushion on in-line
The upper end hydraulic fluid port of cylinder, hydraulic cushion cylinder lower end hydraulic fluid port connect fuel tank by lower cylinder return line, oil cylinder are housed on lower cylinder return line
Epicoele fuel outlet valve, check valve is housed on in-line, is sequentially arranged with to take blame for others soon on fast jacking oil pipe line and inlet valve and takes blame for others soon double
Level support valve, is equipped with peripheral cylinder inlet valve on slow jacking oil pipe line；Cylinder upper cavity oil inlet valve, return line are housed on lower earthen pipe road
It is upper that cylinder upper cavity oil fuel outlet valve is housed；It is equipped between described fast jacking oil pipe line and slow jacking oil pipe line and takes blame for others and peripheral cylinder phase soon
The check valve of connection；Lower earthen pipe road is connected by pipeline and cylinder upper cavity oil oil sucting valve is housed on fuel tank and pipeline.
2. the independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press according to claim 1,
It is characterized in that described replenishing valve connects in-line by topping up control piper, check valve is housed on topping up control piper and filled
Hydraulic control valve YA4.
3. the independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press according to claim 1,
Connected it is characterized in that described system pressure regulating valve is controlled by magnetic valve YA1, the maximum pressure of system pressure regulating valve is 27.5MPa.
4. the independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press according to claim 1,
It is characterized in that the maximum pressure of described ejection pressure regulator valve is 27.5MPa.
5. the independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press according to claim 1,
It is characterized in that the maximum pressure of described cylinder upper cavity oil fuel outlet valve is 27.5MPa.
6. the independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press according to claim 1,
Connected it is characterized in that described peripheral cylinder inlet valve is controlled by magnetic valve YA6.
7. the independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press according to claim 1,
It is characterized in that described twin-stage support valve of taking blame for others soon is controlled by magnetic valve YA5 and connected.
8. the independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press according to claim 1,
It is characterized in that described cylinder upper cavity oil inlet valve, cylinder upper cavity oil fuel outlet valve, take blame for others the soon check valve being connected with peripheral cylinder, fast top
Cylinder inlet valve is by controlling magnetic valve YA2 and YA3 control connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060726.5U CN206882495U (en) | 2016-09-19 | 2016-09-19 | The independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621060726.5U CN206882495U (en) | 2016-09-19 | 2016-09-19 | The independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206882495U true CN206882495U (en) | 2018-01-16 |
Family
ID=61327346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621060726.5U Expired - Fee Related CN206882495U (en) | 2016-09-19 | 2016-09-19 | The independent fast driving hydraulic system of the hydraulic die cushion of big table top hydraulic sheet metal drawing press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206882495U (en) |
-
2016
- 2016-09-19 CN CN201621060726.5U patent/CN206882495U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20190919 |
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| CF01 | Termination of patent right due to non-payment of annual fee |