CN204263604U - A kind of hydraulic control system of forging equipment travelling table - Google Patents
A kind of hydraulic control system of forging equipment travelling table Download PDFInfo
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- CN204263604U CN204263604U CN201420731819.0U CN201420731819U CN204263604U CN 204263604 U CN204263604 U CN 204263604U CN 201420731819 U CN201420731819 U CN 201420731819U CN 204263604 U CN204263604 U CN 204263604U
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Abstract
The utility model discloses a kind of hydraulic control system of forging equipment travelling table, belong to hydraulic control system field.It comprises pumping plant, Shift cylinder, proportioning valve, amplifier and controller, and described pumping plant is connected with proportioning valve by pipeline; Described Shift cylinder comprises cylinder body, piston rod, goes out oil pocket and oil suction chamber; Described piston rod is positioned at cylinder body; Described proportioning valve by two pipelines respectively with Shift cylinder go out oil pocket and oil suction chamber is connected; One end that piston rod in described Shift cylinder stretches out cylinder body is provided with velocity sensor; Described velocity sensor is connected with controller by electric wire; Described controller is connected with amplifier by electric wire; Described amplifier is connected with proportioning valve by electric wire.The utility model effectively can control the translational speed of travelling table, realizes the adjustment of the friction speed method of operation, and can realize location of slowing down when running fast, registration.
Description
Technical field
The utility model belongs to hydraulic control system field, specifically, relates to a kind of hydraulic control system of forging equipment travelling table.
Background technology
Stamping line travelling table comprises automatically controlled travelling table and hydraulic moving workbench, and automatically controlled travelling table is generally by motor and speed reducer driving, chain or chain gear transmission; Namely hydraulic moving workbench drives travelling table by the flexible of hydraulic pump outputting power hydraulic control oil cylinder.In prior art, the hydraulic control system function of hydraulic moving workbench is simpler, by advancing travelling table to hydraulic jack Fast Filling fluid, this control mode starts rear braking fast and impacts large, effectively can not control moving speed of table, the anxious stopping time is large to oil cylinder impact injury, location inaccuracy.
China Patent No. 2009200835208, publication date on November 4th, 2009, disclose a kind of high pressure rapid electric hydraulic control device for mobile workbench of press, comprise worktable clamping driving oil cylinder, workbench unclamps driving oil cylinder, workbench jack-up drives oil cylinder and each power source driving oil cylinder, the power source of each driving oil cylinder comprises Pneumatic oil pump unit and low pressure and mass flow electric oil pump unit, low pressure and mass flow electric oil pump unit is in parallel with Pneumatic oil pump unit, and low pressure and mass flow electric oil pump unit is connected with timing control unit.Low pressure and mass flow electric oil pump unit comprises the motor, oil pump, overflow valve, hydraulic control one-way valve, the reversal valve that connect successively.Reversal valve three position four-way directional control valve.0 ~ 50 kilogram/CM2 oil pump selected by low pressure and mass flow electric oil pump.This utility model structure is more complicated, can not control translational speed, is not suitable for controlling travelling table fast.
China Patent No. 2013201786756, publication date on April 10th, 2013, disclose a kind of moveable platform of press hydraulic control system, comprise the fuel tank connected by pipeline, hydraulic pump and hydraulic cylinder, inlet oil filter is provided with between fuel tank and hydraulic pump, return filter is provided with between hydraulic cylinder and fuel tank, the overflow valve for overload protection hydraulic cylinder is also provided with between hydraulic pump and fuel tank, two four-way electromagnetic reversing valves are provided with between hydraulic pump and hydraulic cylinder, the oil-in of two four-way electromagnetic reversing valves is communicated with hydraulic pump, the oil return opening of two four-way electromagnetic reversing valves is communicated with fuel tank, two actuator ports of two position and four-way reversing valves are communicated with rod chamber and the rodless cavity of hydraulic cylinder respectively, accumulator, the first pressure switch and the second pressure switch is connected with successively between hydraulic pump and two four-way electromagnetic reversing valves.This utility model structure is simple, easy to operate, there is not dead-centre position, time saving and energy saving.But this utility model can not control the translational speed of travelling table, high speed movement impacts large to oil cylinder, location of can not slowing down, location inaccuracy.
Summary of the invention
The problem that 1, will solve
Hydraulic control system for existing stamping line travelling table effectively can not control and regulate travelling table translational speed, during high-speed cruising, oil cylinder is impacted large, slow down location, pinpoint problem can not be realized, the utility model provides a kind of hydraulic control system of forging equipment travelling table, effectively can control the translational speed of travelling table, realize the adjustment of the friction speed method of operation, and location of slowing down can be realized when running fast, registration.
2, technical scheme
For solving the problem, the utility model adopts following technical scheme.
A hydraulic control system for forging equipment travelling table, comprises pumping plant, Shift cylinder, proportioning valve, amplifier and controller, and described pumping plant is connected with proportioning valve by pipeline; Described Shift cylinder comprises cylinder body, piston rod, goes out oil pocket and oil suction chamber; Described piston rod is positioned at cylinder body; Described proportioning valve by two pipelines respectively with Shift cylinder go out oil pocket and oil suction chamber is connected; One end that piston rod in described Shift cylinder stretches out cylinder body is provided with velocity sensor; Described velocity sensor is connected with controller by electric wire; Described controller is connected with amplifier by electric wire; Described amplifier is connected with proportioning valve by electric wire.
Preferably, described pumping plant comprises fuel tank, volume adjustable hydraulic pump, safety valve and check valve.
Preferably, described safety valve is overflow valve.
Preferably, described proportioning valve is 3-position 4-way proportional reversing valve.
Preferably, described controller is provided with control button and display.
Preferably, described velocity sensor comprises sensor contact; Described sensor contact contacts with the piston rod on Shift cylinder.
Preferably, described sensor contact is rolling contact.
Preferably, the pipeline that oil pocket is connected with oil suction chamber that goes out of described proportioning valve and Shift cylinder is provided with adjustable throttling.
3, beneficial effect
Compared to prior art, the beneficial effects of the utility model are:
(1) the utility model comprises pumping plant, Shift cylinder, proportioning valve, amplifier and controller, and pumping plant is connected with proportioning valve by pipeline; Shift cylinder comprises cylinder body, piston rod, goes out oil pocket and oil suction chamber; Piston rod is positioned at cylinder body; Proportioning valve by two pipelines respectively with Shift cylinder go out oil pocket and oil suction chamber is connected, proportioning valve can regulate the fluid flow of turnover oil cylinder according to job requirement, thus reach the object changing piston rod stretching speed; One end that piston rod in Shift cylinder stretches out cylinder body is provided with velocity sensor; Velocity sensor is connected with controller by electric wire; Controller is connected with amplifier by electric wire; Amplifier is connected with proportioning valve by electric wire, the stretching speed of velocity sensor Real-Time Monitoring piston rod, and by the information feed back of acquisition to controller, controller completes the control of comparative example valve on request;
(2) the utility model pumping plant comprises fuel tank, volume adjustable hydraulic pump, safety valve and check valve, and safety valve is overflow valve, guarantees that outputting power is stable, safety, reduces maintenance cost;
(3) the utility model proportioning valve is 3-position 4-way proportional reversing valve, meets flow-control requirement, improves adaptive capacity to environment, and contamination resistance strengthens;
(4) the utility model controller is provided with control button and display, and integrated control system and display system, save production cost, and increases work efficiency;
(5) the utility model velocity sensor comprises sensor contact; Sensor contact contacts with the piston rod on Shift cylinder, and sensor contact is rolling contact, and rolling contact and piston rod Structure deformation rub, and guarantees that Monitoring Data is accurate, increases service life simultaneously.
(6) pipeline that oil pocket is connected with oil suction chamber that goes out of the utility model proportioning valve and Shift cylinder is provided with adjustable throttling, strengthens flow system flow regulatory function, maintains easily simultaneously, keeps in repair.
Accompanying drawing explanation
Fig. 1 is the utility model general arrangement schematic;
Fig. 2 is Hydraulic Elements connection diagram.
In figure: 1, pumping plant; 2, proportioning valve; 3, amplifier; 4, controller; 5, velocity sensor; 6, Shift cylinder.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
Embodiment 1
As depicted in figs. 1 and 2, a kind of hydraulic control system of forging equipment travelling table, comprise pumping plant 1, Shift cylinder 6, proportioning valve 2, amplifier 3 and controller 4, pumping plant 1 comprises fuel tank, volume adjustable hydraulic pump, safety valve and check valve, and safety valve is overflow valve; Pumping plant 1 is connected with proportioning valve 2 by pipeline; Shift cylinder 6 comprises cylinder body, piston rod, goes out oil pocket and oil suction chamber; Piston rod is positioned at cylinder body; Proportioning valve 2 by two pipelines respectively with Shift cylinder 6 go out oil pocket and oil suction chamber is connected; The pipeline that oil pocket is connected with oil suction chamber that goes out of proportioning valve 2 and Shift cylinder 6 is provided with adjustable throttling; Proportioning valve 2 is 3-position 4-way proportional reversing valve; One end that piston rod in Shift cylinder 6 stretches out cylinder body is provided with velocity sensor 5; Velocity sensor 5 comprises sensor contact, and sensor contact is rolling contact; Sensor contact contacts with the piston rod on Shift cylinder 6; Velocity sensor 5 is connected with controller 4 by electric wire; Controller 4 is provided with control button and display; Controller 4 is connected with amplifier 3 by electric wire; Amplifier 3 is connected with proportioning valve 2 by electric wire.
Specific works process: pumping plant 1 starts, outputting power fluid enters proportioning valve 2; Running parameter preset by controller 4, and export the signal of telecommunication, amplified and stabilization signal by amplifier 3, be transferred to proportioning valve 2, proportioning valve 2 opens valve by control overflow, and fluid enters Shift cylinder 6 through pipeline, and promotes the motion of Shift cylinder 6 inner piston rod; Velocity sensor 5 monitors the movement velocity of piston rod, Real-time Feedback is to controller 4, the speed data received and parameter preset contrast by controller 4, accurate output control signal, control ratio valve 2 adjust flux exports size, regulate oil cylinder stretching speed, thus reach the object regulating the different translational speed of travelling table.The utility model effectively can control the translational speed of travelling table, realizes the adjustment of the friction speed method of operation, and can realize location of slowing down when running fast, registration.
Claims (8)
1. the hydraulic control system of a forging equipment travelling table, comprise pumping plant (1) and Shift cylinder (6), it is characterized in that: also comprise proportioning valve (2), amplifier (3) and controller (4), described pumping plant (1) is connected with proportioning valve (2) by pipeline; Described Shift cylinder (6) comprises cylinder body, piston rod, goes out oil pocket and oil suction chamber; Described piston rod is positioned at cylinder body; Described proportioning valve (2) by two pipelines respectively with Shift cylinder (6) go out oil pocket and oil suction chamber is connected; One end that piston rod in described Shift cylinder (6) stretches out cylinder body is provided with velocity sensor (5); Described velocity sensor (5) is connected with controller (4) by electric wire; Described controller (4) is connected with amplifier (3) by electric wire; Described amplifier (3) is connected with proportioning valve (2) by electric wire.
2. the hydraulic control system of a kind of forging equipment travelling table according to claim 1, is characterized in that: described pumping plant (1) comprises fuel tank, volume adjustable hydraulic pump, safety valve and check valve.
3. the hydraulic control system of a kind of forging equipment travelling table according to claim 2, is characterized in that: described safety valve is overflow valve.
4. the hydraulic control system of a kind of forging equipment travelling table according to claim 1, is characterized in that: described proportioning valve (2) is 3-position 4-way proportional reversing valve.
5. the hydraulic control system of a kind of forging equipment travelling table according to claim 1, is characterized in that: described controller (4) is provided with control button and display.
6. the hydraulic control system of a kind of forging equipment travelling table according to claim 1, is characterized in that: described velocity sensor (5) comprises sensor contact; Described sensor contact contacts with the piston rod on Shift cylinder (6).
7. the hydraulic control system of a kind of forging equipment travelling table according to claim 6, is characterized in that: described sensor contact is rolling contact.
8. according to the hydraulic control system of a kind of forging equipment travelling table in claim 1-7 described in any one, it is characterized in that: the pipeline that oil pocket is connected with oil suction chamber that goes out of described proportioning valve (2) and Shift cylinder (6) is provided with adjustable throttling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731819.0U CN204263604U (en) | 2014-11-27 | 2014-11-27 | A kind of hydraulic control system of forging equipment travelling table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731819.0U CN204263604U (en) | 2014-11-27 | 2014-11-27 | A kind of hydraulic control system of forging equipment travelling table |
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| CN204263604U true CN204263604U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420731819.0U Active CN204263604U (en) | 2014-11-27 | 2014-11-27 | A kind of hydraulic control system of forging equipment travelling table |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965952A (en) * | 2016-06-12 | 2016-09-28 | 哈尔滨工程大学 | Dedicated 25-ton press machine system |
| CN105964856A (en) * | 2016-06-23 | 2016-09-28 | 无锡德斯凯动力科技有限公司 | Novel hydraulic cylinder forging press |
-
2014
- 2014-11-27 CN CN201420731819.0U patent/CN204263604U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965952A (en) * | 2016-06-12 | 2016-09-28 | 哈尔滨工程大学 | Dedicated 25-ton press machine system |
| CN105965952B (en) * | 2016-06-12 | 2018-04-17 | 哈尔滨工程大学 | A kind of special 25 tons of press machine systems |
| CN105964856A (en) * | 2016-06-23 | 2016-09-28 | 无锡德斯凯动力科技有限公司 | Novel hydraulic cylinder forging press |
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