CN207195321U - Improved hydraulic station - Google Patents
Improved hydraulic station Download PDFInfo
- Publication number
- CN207195321U CN207195321U CN201721130935.7U CN201721130935U CN207195321U CN 207195321 U CN207195321 U CN 207195321U CN 201721130935 U CN201721130935 U CN 201721130935U CN 207195321 U CN207195321 U CN 207195321U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- valve
- oil
- solenoid directional
- directional control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a kind of improved hydraulic station, belong to mechanical-hydraulic equipment technical field, the hydraulic station design for solving tradition applied to Digit Control Machine Tool is unreasonable, and the workpiece quality produced is low, the flimsy problem of part.Mainly include accumulator, one-way piston bar hydraulic cylinder, Workpiece clamping device, pressure switch, solenoid directional control valve, check valve No.1, check valve two, hydraulic motor, overflow valve and fuel tank.The utility model causes workpiece machining surface quality to be improved significantly, and meets technological requirement；Also so that hydraulic pump and the motor feels hot temperature are high, the phenomenon damaged often is eradicated；The utility model both ensure that workpiece quality, also ensure that the service life of whole equipment, creates considerable economic benefit for enterprise, has very strong practicality, can be widely applied to mechanical-hydraulic equipment technical field.
Description
Technical field
The utility model belongs to mechanical-hydraulic apparatus field, specifically, more particularly to a kind of improved hydraulic station.
Background technology
Hydraulic technique is one of key technology for realizing modernization transmission and control, and Modern NC Machine Tool is realizing complete machine
In Automatic Control, in addition to digital control system, also need to be equipped with hydraulic and pneumatic transmission device to aid in realizing the automatic running of complete machine
Function.Figure of description Fig. 1 is the hydraulic station hydraulic principle that tradition is applied to Digit Control Machine Tool.This hydraulic station course of work is：
When workpiece needs to clamp, solenoid directional control valve obtains electric, and the hydraulic oil that hydraulic pump pumps out passes through check valve, P, B of solenoid directional control valve
Hydraulic fluid port enters the left chamber of oil cylinder, and piston rod moves right, and clamps workpiece.Now, system pressure rises, accumulator topping up, hydraulic pressure
The redundance fluid of pump supply flows back to fuel tank by overflow valve.When hydraulic coupling reaches the Opening pressure of pressure switch, hair
Go out signal, hydraulic pump stops operating.Now, the pressure of compression hydraulic cylinder is kept by the pressure oil of accumulator, whole so as to reduce
The power consumption of individual hydraulic station, save electric energy.When the pressure reduction of compression hydraulic cylinder, the as little as clossing pressure of pressure switch
When, pressure switch sends signal, hydraulic pressure pump startup, continues to give system fuel feeding, accumulator topping up, maintains hydraulic system pressure,
To ensure clamping force.
Found during the production of reality is used, this hydraulic station of tradition has following hidden danger：1. work as solenoid directional control valve
Valve element when being in the right, workpiece has been unclamped, and pressure is had no requirement, and hydraulic station fuel feeding, repairing have not a particle of actual meaning
Justice, and cause meaningless loss；And make it that hydraulic pump, the motor feels hot temperature are high, parts damages rate is high.2. electromagnetic switch valve body
It is excessive with valve element gap, increase is inside let out, causes hydraulic station overheat, pressure fluctuation, piece-holder unstable, the workpiece processed
Surface is relatively rough, and product quality is poor.
Utility model content
The purpose of this utility model is in view of the deficienciess of the prior art, providing a kind of improved hydraulic station.
The utility model is achieved through the following technical solutions：
A kind of improved hydraulic station, including accumulator, one-way piston bar hydraulic cylinder, Workpiece clamping device, pressure switch,
Solenoid directional control valve, check valve No.1, check valve two, hydraulic motor, overflow valve and fuel tank, the accumulator oil-out is through oil
Road is connected with the left chamber oil inlet of the one-way piston bar hydraulic cylinder, and the accumulator and the one-way piston bar hydraulic cylinder
Between oil circuit on be additionally provided with the pressure switch, a left side for the normally closed interlock of the pressure switch and the solenoid directional control valve
Side electromagnet wire is connected, and control left side electromagnet obtains electric and dead electricity；The left chamber oil inlet of the one-way piston bar hydraulic cylinder
Be connected through check valve No.1 with the A hydraulic fluid port oil circuits of the solenoid directional control valve, the B hydraulic fluid ports of the solenoid directional control valve through oil circuit with it is described
The right chamber oil inlet oil circuit of one-way piston bar hydraulic cylinder is connected, and the P hydraulic fluid ports of the solenoid directional control valve are through check valve two and institute
The oil inlet oil pocket for stating hydraulic motor is connected, and the oil-out of the hydraulic motor is connected with fuel tank；Wherein, the check valve two
The overflow valve is additionally provided with oil circuit number between the hydraulic motor, the oil-out of the overflow valve is connected with the fuel tank
It is logical.
Preferably, the solenoid directional control valve is M type three-position four-way electromagnetic directional valves.
Compared with prior art, the beneficial effects of the utility model are：
The utility model uses to be changed with middle position slide valve function for M three-position four-way electromagnetic directional valve two four-way electromagnetics of replacement
Measure to valve, installation check valve and switch so that workpiece machining surface quality is improved significantly, and meeting technique will
Ask；Also so that hydraulic pump and the motor feels hot temperature are high, the phenomenon damaged often is eradicated；The utility model both ensure that workpiece
Quality, the service life of whole equipment is also ensure that, create considerable economic benefit for enterprise, there is very strong practicality, can
It is widely used in mechanical-hydraulic equipment technical field.
Brief description of the drawings
Fig. 1 is the hydraulic principle for the hydraulic station that tradition is applied to Digit Control Machine Tool；
Fig. 2 is the utility model hydraulic principle.
In figure：1. accumulator；2. one-way piston bar hydraulic cylinder；3. Workpiece clamping device；4. pressure switch；5. electromagnetism changes
To valve；6. check valve No.1；7. check valve two；8. hydraulic motor；9. overflow valve；10. fuel tank.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings：
A kind of improved hydraulic station, including accumulator 1, one-way piston bar hydraulic cylinder 2, Workpiece clamping device 3, pressure relay
Device 4, solenoid directional control valve 5, check valve No.1 6, check valve No. two 7, hydraulic motor 8, overflow valve 9 and fuel tank 10, the accumulation of energy
The oil-out of device 1 is connected through oil circuit with the left chamber oil inlet of the one-way piston bar hydraulic cylinder 2, and the accumulator 1 with it is described
The pressure switch 4, the normally closed interlock of the pressure switch 4 are additionally provided with oil circuit between one-way piston bar hydraulic cylinder 2
It is connected with the left side electromagnet wire of the solenoid directional control valve 5, control left side electromagnet obtains electric and dead electricity；The one-way piston
The left chamber oil inlet of bar hydraulic cylinder 2 is connected through check valve No.1 6 with the A hydraulic fluid port oil circuits of the solenoid directional control valve 5, and the electromagnetism changes
It is connected to the B hydraulic fluid ports of valve 5 through oil circuit with the right chamber oil inlet oil circuit of the one-way piston bar hydraulic cylinder 2, the electromagnetic switch
The P hydraulic fluid ports of valve 5 are connected for No. two 7 through check valve with the oil inlet oil pocket of the hydraulic motor 8, the oil-out of the hydraulic motor 8
It is connected with fuel tank；Wherein, it is additionally provided with the overflow valve on No. two 7 oil circuits between the hydraulic motor 8 of check valve
9, the oil-out of the overflow valve 9 is connected with the fuel tank 10.
Preferably, the solenoid directional control valve 5 is M type three-position four-way electromagnetic directional valves.
The utility model includes accumulator 1, one-way piston bar hydraulic cylinder 2, Workpiece clamping device 3, pressure switch 4, electricity
Magnetic reversal valve 5, check valve No.1 6, check valve No. two 7, hydraulic motor 8, overflow valve 9 and fuel tank 10, the accumulator 1 are fuel-displaced
Mouth is connected through oil circuit with the left chamber oil inlet of the one-way piston bar hydraulic cylinder 2, and the accumulator 1 and the one-way piston
The pressure switch 4, normally closed interlock and the electricity of the pressure switch 4 are additionally provided with oil circuit between bar hydraulic cylinder 2
The left side electromagnet wire of magnetic reversal valve 5 is connected, and control left side electromagnet obtains electric and dead electricity；The one-way piston bar hydraulic cylinder
2 left chamber oil inlet is connected through check valve No.1 6 with the A hydraulic fluid port oil circuits of the solenoid directional control valve 5, the B of the solenoid directional control valve 5
Hydraulic fluid port is connected through oil circuit with the right chamber oil inlet oil circuit of the one-way piston bar hydraulic cylinder 2, the P oil of the solenoid directional control valve 5
Mouth No. two 7 through check valve is connected with the oil inlet oil pocket of the hydraulic motor 8, oil-out and the fuel tank phase of the hydraulic motor 8
Connection；Wherein, the overflow valve 9 is additionally provided with No. two 7 oil circuits between the hydraulic motor 8 of check valve, it is described to overflow
The oil-out of stream valve 9 is connected with the fuel tank 10.Wherein, solenoid directional control valve 5 is M type three-position four-way electromagnetic directional valves.
Operation principle of the present utility model is：The left side electromagnet of solenoid directional control valve 5 obtains electric, and pressure oil is from solenoid directional control valve A
Mouth enters one-way piston bar hydraulic cylinder left chamber, Workpiece clamping, and system pressure rises, the topping up of accumulator 1.When reaching pressure switch
During 4 Opening pressure, signal is sent, now, the left side electromagnet dead electricity of solenoid directional control valve 5, during the valve element of solenoid directional control valve 5 moves to
Position, the pressure oil of hydraulic system flow back to fuel tank, hydraulic pump off-load, hydraulic pump idling carrying by P, T hydraulic fluid port of solenoid directional control valve 5
Turn.When the pressure reduction, the as little as clossing pressure of pressure switch 4 of compression hydraulic cylinder, pressure switch 4 sends signal, electricity
The left side electromagnet of magnetic reversal valve 5 obtains electric, and P, T of solenoid directional control valve 5 cut-out, P, A are connected, hydraulic pump load operating, continue to
System fuel feeding, the topping up of accumulator 1, to ensure clamping force, clamping force is kept by the pressure oil of accumulator 1.When solenoid directional control valve 5
The right electromagnet obtain electric, solenoid directional control valve 5 is connected in right position work P, B hydraulic fluid port, and hydraulic oil enters one-way piston bar hydraulic cylinder
Right chamber, oil cylinder piston left lateral, oil cylinder left chamber fluid flow back to fuel tank by A, T hydraulic fluid port of solenoid directional control valve 5, and workpiece unclamps.Pass through
Former two position four-way valves are replaced with middle position slide valve function M three-position four-way electromagnetic directional valve, and the function of system unloaded prevents during middle position
The phenomenon of unnecessary consumption hydraulic energy, increases between the left mouth of oil cylinder, three-position four-way electromagnetic directional valve A mouths during two position four-way valves right position
Add check valve avoid electromagnetic switch valve body and valve element gap it is excessive caused by let out caused by hidden danger.
The utility model uses to be changed with middle position slide valve function for M three-position four-way electromagnetic directional valve two four-way electromagnetics of replacement
Measure to valve, installation check valve and switch so that workpiece machining surface quality is improved significantly, and meeting technique will
Ask；Also so that hydraulic pump and the motor feels hot temperature are high, the phenomenon damaged often is eradicated；The utility model both ensure that workpiece
Quality, the service life of whole equipment is also ensure that, create considerable economic benefit for enterprise, there is very strong practicality, can
It is widely used in mechanical-hydraulic equipment technical field.
In summary, preferred embodiment only of the present utility model, not it is used for limiting the utility model implementation
Scope, the equivalent change carried out by all shapes according to described in the utility model claims scope, construction, feature and spirit is with repairing
Decorations, all should be included in right of the present utility model.
Claims (2)
- A kind of 1. improved hydraulic station, it is characterised in that：Including accumulator, one-way piston bar hydraulic cylinder, Workpiece clamping device, pressure Power relay, solenoid directional control valve, check valve No.1, check valve two, hydraulic motor, overflow valve and fuel tank, the accumulator Oil-out is connected through oil circuit with the left chamber oil inlet of the one-way piston bar hydraulic cylinder, and the accumulator is unidirectionally lived with described The pressure switch, the normally closed interlock of the pressure switch and the electromagnetism are additionally provided with oil circuit between stopper rod hydraulic cylinder The left side electromagnet wire of reversal valve is connected, and control left side electromagnet obtains electric and dead electricity；The one-way piston bar hydraulic cylinder Left chamber oil inlet is connected through check valve No.1 with the A hydraulic fluid port oil circuits of the solenoid directional control valve, the B hydraulic fluid ports warp of the solenoid directional control valve Oil circuit is connected with the right chamber oil inlet oil circuit of the one-way piston bar hydraulic cylinder, and the P hydraulic fluid ports of the solenoid directional control valve are through unidirectional Valve two is connected with the oil inlet oil pocket of the hydraulic motor, and the oil-out of the hydraulic motor is connected with fuel tank；Wherein, institute State and the overflow valve is additionally provided with No. two oil circuits between the hydraulic motor of check valve, the oil-out of the overflow valve and institute Fuel tank is stated to be connected.
- 2. improved hydraulic station according to claim 1, it is characterised in that：The solenoid directional control valve is M type 3-position 4-ways Solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130935.7U CN207195321U (en) | 2017-09-05 | 2017-09-05 | Improved hydraulic station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721130935.7U CN207195321U (en) | 2017-09-05 | 2017-09-05 | Improved hydraulic station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207195321U true CN207195321U (en) | 2018-04-06 |
Family
ID=61791024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721130935.7U Active CN207195321U (en) | 2017-09-05 | 2017-09-05 | Improved hydraulic station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207195321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396907A (en) * | 2018-11-05 | 2019-03-01 | 刘剑 | Hydraulic expansion device |
-
2017
- 2017-09-05 CN CN201721130935.7U patent/CN207195321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396907A (en) * | 2018-11-05 | 2019-03-01 | 刘剑 | Hydraulic expansion device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104948538B (en) | The servo hydraulic system and its construction method of a kind of plate bending machine | |
| CN204704167U (en) | Double loop energy storage type hydraulic control slow closing valve hydraulic station | |
| CN103801751B (en) | Based on the fully-automatic plate shearing machine hydraulic system that PLC controls | |
| CN203272291U (en) | Workpiece feeding rapid unloading loop | |
| CN207195321U (en) | Improved hydraulic station | |
| CN109779993A (en) | A kind of electricity proportional load sensitive multi-way valve | |
| CN204739038U (en) | Servo hydraulic system of sheet material bender | |
| CN104006015A (en) | Pressure maintaining and speed stabilizing hydraulic system of hydraulic machine | |
| CN103144566A (en) | Hoisting hydraulic system of large-tonnage non-highway mine dumper | |
| CN203272289U (en) | Electromagnetic unloading loop device | |
| CN204344557U (en) | A kind of ultrahigh pressure pilot operated compound relief valve | |
| CN203308812U (en) | Pump station control hydraulic system | |
| CN202668939U (en) | Mold locking circuit for injection mold machine | |
| CN203696090U (en) | Full-automatic plate shearer hydraulic system based on PLC (programmable logic controller) control | |
| CN201359113Y (en) | Large-caliber two-position three-way reversing solenoid valve | |
| CN201269232Y (en) | Combined multipath reversing solenoid valve | |
| CN202580134U (en) | Multi-way valve for full-static-force pile press | |
| CN210461214U (en) | Super-large flow hydraulic execution system | |
| CN203809822U (en) | Diaphragm-type electromagnetic valve | |
| CN208831354U (en) | A kind of thick steel plate hydraulic control system of bender | |
| CN202846939U (en) | High-speed hydraulic machine dynamic stepping control system | |
| CN105909572A (en) | Quick response hydraulic position closed-loop control system with self-locking function | |
| CN101890765B (en) | Hydraulic system of internal mixer | |
| CN203272273U (en) | Novel double-acting supercharger | |
| CN219324752U (en) | Die locking differential system of die casting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |