CN104454707A - Simple hydraulic system for bending machine - Google Patents
Simple hydraulic system for bending machine Download PDFInfo
- Publication number
- CN104454707A CN104454707A CN201410745794.4A CN201410745794A CN104454707A CN 104454707 A CN104454707 A CN 104454707A CN 201410745794 A CN201410745794 A CN 201410745794A CN 104454707 A CN104454707 A CN 104454707A
- Authority
- CN
- China
- Prior art keywords
- valve
- hydraulic system
- electromagnetic directional
- way electromagnetic
- bending machine
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention relates to a simple hydraulic system for a bending machine. The simple hydraulic system comprises an axle plunger pump, a screen oil filter, an oil tank, a pilot operated check valve, a three-position four-way electromagnetic directional valve, a two-position two-way electromagnetic directional valve, a pressure gauge, a one-way throttle valve, two prefill valves, an overflow valve, two oil cylinders and a safety valve. The axial plunger pump is connected with a motor and further connected with the oil tank through the screen oil filter, and one way of the axial plunger pump is connected to the overflow valve while the other way of the axial plunger pump is connected to the three-position four-way electromagnetic directional valve. One operation port of the three-position four-way electromagnetic directional valve is connected with the safety valve and the pilot operated check valve for pressure maintaining and further connected with rod cavity of the two oil cylinders, rodless cavities of the two oil cylinders are connected with the prefill valves respectively, control oil circuits of the two prefill valves are connected with the two-position two-way electromagnetic directional valve and forms a loop with the other operation port of the three-position four-way electromagnetic directional valve. By the simple hydraulic system for the bending machine, an electrical control system of a mainframe is simplified, manufacturing cost of the mainframe is reduced, and convenience and simplicity in operation of the mainframe is achieved. In addition, the simple hydraulic system for the bending machine has the advantages of high efficiency and energy saving and has functions of pressure maintaining and overload protection.
Description
Technical field
The present invention relates to a kind of Simple bending machine hydraulic system, particularly the bender hydraulic system of a kind of 100 tons to 160 tons.
Background technique
The hydraulic system of existing various bender, with regard to using effect, proper, it is too much that the solenoid directional control valve just controlling oil cylinder uses, and control wiring is many, makes the electric control system of main frame become comparatively complicated, host service function is also comparatively loaded down with trivial details, also add main frame cost.
Summary of the invention
The present invention is a kind of Simple bending machine hydraulic system, it solves the main frame electric control system of existing bender and host service function is comparatively loaded down with trivial details and main frame cost is higher problem.
particular content of the present invention
The present invention relates to a kind of Simple bending machine hydraulic system, it is by axial piston pump, screen filter, fuel tank, Pilot operated check valve, three-position four-way electromagnetic directional valve, bi-bit bi-pass solenoid directional control valve, pressure gauge, one-way throttle valve, liquid-filling valve, relief valve, oil cylinder and safety valve composition, axial plunger Pump and Electromotor connects, axial piston pump is connected with fuel tank by screen filter, axial piston pump one road is connected to relief valve, another road of axial piston pump is connected to three-position four-way electromagnetic directional valve, three-position four-way electromagnetic directional valve working hole is connected with for the Pilot operated check valve of pressurize and safety valve and is connected to the rod chamber of two oil cylinders, two oil cylinder rodless cavities are connected with liquid-filling valve respectively, the oil circuit control of two liquid-filling valves is connected with bi-bit bi-pass solenoid directional control valve, and form loop with another working hole of three-position four-way electromagnetic directional valve.
The present invention relates to a kind of Simple bending machine hydraulic system, possess the function of existing bender hydraulic system, integration has been re-started to system oil-way simultaneously, simplify the electric control system of main frame, reduce main frame cost, make host service function very easy.
The present invention relates to a kind of Simple bending machine hydraulic system; can realize that slider of bender declines fast, work enter slow under, quick return; and can under fast, slow under regulate; under simultaneously fast, return to fluid and all pass through liquid-filling valve; because this reducing the flow of pump; reduce power of motor, there is efficient, energy-conservation feature, the present invention relates to the function that a kind of Simple bending machine hydraulic system also has pressurize, overload protection.
Accompanying drawing explanation
Fig. 1 is a kind of Simple bending machine hydraulic system principle figure of the present invention.
Fig. 2 is a kind of Simple bending machine hydraulic system action schedule.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of Simple bending machine hydraulic system of the present invention, it is by axial piston pump (3), screen filter (2), fuel tank (1), Pilot operated check valve (8), three-position four-way electromagnetic directional valve (7), bi-bit bi-pass solenoid directional control valve (10), pressure gauge (5), one-way throttle valve (6), liquid-filling valve (12), relief valve (4), oil cylinder (12) and safety valve (9) composition, axial piston pump (3) is connected with motor, axial piston pump (3) is connected with fuel tank (1) by screen filter (2), axial piston pump (3) one road is connected to relief valve (4), axial piston pump (3) another road is connected to is equipped with electromagnet YV1, the three-position four-way electromagnetic directional valve (7) of YV2 and one-way throttle valve (6), three-position four-way electromagnetic directional valve (7) working holes are connected with for the Pilot operated check valve (8) of pressurize and safety valve (9) and are connected to two cylinder rod chambers (11), the effect of Pilot operated check valve (8) makes system pressurize, when system does not work, oil cylinder does not glide, safety valve (9) is relief valve, when oil cylinder cavity of resorption transships, can play a protective role, one-way throttle valve (6) can decline fast to oil cylinder and adjust, in time, also can regulate oil cylinder descending at slow speed.
Two oil cylinder rodless cavities (11) connect two liquid-filling valves (12) respectively, two liquid-filling valves (12) are Pilot operated check valves, a large amount of fluid of quick decline and quick return can pass through from liquid-filling valve (12), its oil circuit control is controlled by the bi-bit bi-pass solenoid directional control valve (10) that electromagnetism YV3 is housed, and two liquid-filling valves (12) form loop with three-position four-way electromagnetic directional valve (7) working holes.
Axial piston pump (3) Bonding pressure table (5), this pressure gauge (5) is also connected with relief valve (4).
The operation acts of a kind of Simple bending machine hydraulic system of the present invention is as follows: 1. electric motor starting, and electromagnet YV 1, YV2 must not be electric, and YV3 obtains electric, and system is in unloading condition, oil cylinder transfixion; 2. electromagnet YV 2 obtains electric, and YV1, YV3 must not be electric, and oil cylinder band movable slider declines fast; 3. electromagnet YV2, YV3 obtains electric, and oil cylinder band movable slider descending at slow speed, is work and enters; 4. electromagnet YV 1 obtains electric, and YV2, YV3 must not be electric, and oil cylinder band movable slider returns fast.
Claims (4)
1. the present invention relates to a kind of Simple bending machine hydraulic system, it is by axial piston pump, screen filter, fuel tank, Pilot operated check valve, three-position four-way electromagnetic directional valve, bi-bit bi-pass solenoid directional control valve, pressure gauge, one-way throttle valve, liquid-filling valve, relief valve, oil cylinder and safety valve composition, axial plunger Pump and Electromotor connects, axial piston pump is connected with fuel tank by screen filter, axial piston pump one road is connected to relief valve, another road of axial piston pump is connected to three-position four-way electromagnetic directional valve, three-position four-way electromagnetic directional valve working hole is connected with for the Pilot operated check valve of pressurize and safety valve and is connected to the rod chamber of two oil cylinders, two oil cylinder rodless cavities are connected with liquid-filling valve respectively, the oil circuit control of two liquid-filling valves is connected with bi-bit bi-pass solenoid directional control valve, and form loop with another working hole of three-position four-way electromagnetic directional valve.
2. a kind of Simple bending machine hydraulic system according to claim 1, it is characterized in that, described axial piston pump connects a pressure gauge, and this pressure gauge is also connected with precursor overflow valve.
3. a kind of Simple bending machine hydraulic system according to claim 1, it is characterized in that, described liquid-filling valve is Pilot operated check valve.
4. a kind of Simple bending machine hydraulic system according to claim 1, it is characterized in that, described safety valve is relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410745794.4A CN104454707A (en) | 2014-12-09 | 2014-12-09 | Simple hydraulic system for bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410745794.4A CN104454707A (en) | 2014-12-09 | 2014-12-09 | Simple hydraulic system for bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104454707A true CN104454707A (en) | 2015-03-25 |
Family
ID=52901282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410745794.4A Pending CN104454707A (en) | 2014-12-09 | 2014-12-09 | Simple hydraulic system for bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104454707A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090153A (en) * | 2015-08-24 | 2015-11-25 | 江苏中海重型机床有限公司 | Liquid charging valve and application of liquid charging valve to bending machine |
| CN105909575A (en) * | 2016-06-28 | 2016-08-31 | 安徽东海机床制造有限公司 | Bending method of efficient bending machine |
| CN108612688A (en) * | 2018-05-30 | 2018-10-02 | 保茜雯 | A kind of hydraulic control system of bender |
| CN111997945A (en) * | 2020-08-11 | 2020-11-27 | 广州皖安机电设备有限公司 | Hydraulic system for automobile lifter |
-
2014
- 2014-12-09 CN CN201410745794.4A patent/CN104454707A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090153A (en) * | 2015-08-24 | 2015-11-25 | 江苏中海重型机床有限公司 | Liquid charging valve and application of liquid charging valve to bending machine |
| CN105909575A (en) * | 2016-06-28 | 2016-08-31 | 安徽东海机床制造有限公司 | Bending method of efficient bending machine |
| WO2018001388A1 (en) * | 2016-06-28 | 2018-01-04 | 安徽东海机床制造有限公司 | High-efficiency bending machine bending method |
| CN108612688A (en) * | 2018-05-30 | 2018-10-02 | 保茜雯 | A kind of hydraulic control system of bender |
| CN111997945A (en) * | 2020-08-11 | 2020-11-27 | 广州皖安机电设备有限公司 | Hydraulic system for automobile lifter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |
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| WD01 | Invention patent application deemed withdrawn after publication |