CN104006018A - Bending machine hydraulic synchronous system controlled by flow distributing and collecting valve - Google Patents

Bending machine hydraulic synchronous system controlled by flow distributing and collecting valve Download PDF

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Publication number
CN104006018A
CN104006018A CN201410218216.5A CN201410218216A CN104006018A CN 104006018 A CN104006018 A CN 104006018A CN 201410218216 A CN201410218216 A CN 201410218216A CN 104006018 A CN104006018 A CN 104006018A
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CN
China
Prior art keywords
valve
hydraulic
way
solenoid directional
oil
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
Application number
CN201410218216.5A
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Chinese (zh)
Inventor
谢方伟
王存堂
宣芮
盛刚
张先俊
任乃飞
王匀
童明华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Donghai Machine Tools Co Ltd
Jiangsu University
Original Assignee
Nantong Donghai Machine Tools Co Ltd
Jiangsu University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Donghai Machine Tools Co Ltd, Jiangsu University filed Critical Nantong Donghai Machine Tools Co Ltd
Priority to CN201410218216.5A priority Critical patent/CN104006018A/en
Publication of CN104006018A publication Critical patent/CN104006018A/en
Pending legal-status Critical Current

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Abstract

The invention provides a bending machine hydraulic synchronous system controlled by a flow distributing and collecting valve. The bending machine hydraulic synchronous system comprises an oil tank, a filter, a hydraulic pump, a motor, a one-way valve, a pilot-operated overflow valve, a two-position two-way solenoid directional valve, a three-position four-way solenoid directional valve, the flow distributing and collecting valve, a one-way speed regulating valve and hydraulic cylinders. When the hydraulic cylinders of the bending machine are in a pressing fast-feeding state or a pressing work-feeding state, after 2DT power-on pull-in, the left position of the three-position four-way solenoid directional valve is connected, under the action of the hydraulic pump, hydraulic oil enters the flow distributing and collecting valve through the one-way valve and the three-position four-way solenoid directional valve and enters rodless cavities of the hydraulic cylinders with flow equally divided. When the hydraulic cylinders are in a fast return stroke state, after 3DT power-on pull-in, the right position of the three-position four-way solenoid directional valve is connected, and the hydraulic oil in the rodless cavities enters the flow distributing and collecting valve and flows back to the oil tank through a flow collecting valve in an equal flow mode. Flow distributing and collecting functions are respectively achieved in the two directions of an oil path of the hydraulic system of the bending machine, so that synchronous operation of the two hydraulic cylinders in the work-feeding state or the return stroke state is effectively ensured, and synchronization precision is high.

Description

A kind of bender hydraulic synchronous system of flow divider-combiner control
Technical field
the present invention relates to a kind of bender hydraulic synchronous system, refer in particular to a kind of bender hydraulic synchronous system of flow divider-combiner control, belong to machinery production control technique field.
Background technique
Along with improving constantly that bender HYDRAULIC CONTROL SYSTEM is required, original hydraulic control technology can not meet the demand of modern production.In the course of the work, its hydraulic system completes following main action to bender: oil hydraulic cylinder presses down F.F., press down that work is entered, pressurize, quick return and stop in arbitrfary point etc.One-phase in office, in order to ensure cutter traveling comfort, necessarily requires the oil hydraulic cylinder at cutter two ends to keep being synchronized with the movement.Bender is asynchronous if there is cutter two ends in bending sheets process, can cause the shake of hydraulic system and the increase of machining error.
 
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, a kind of bender hydraulic synchronous system of flow divider-combiner control is provided.
The bender hydraulic synchronous system of a kind of flow divider-combiner control of the present invention, it mainly comprises fuel tank, filter, oil hydraulic pump, motor, one-way valve, pilot operated compound relief valve, bi-bit bi-pass solenoid directional control valve, 3-position 4-way solenoid directional control valve, flow divider-combiner and one-way speed-regulating valve.
The bender hydraulic synchronous system of a kind of flow divider-combiner control of the present invention, in the time of work, 3-position 4-way solenoid directional control valve left position work in the time of 2DT energising adhesive, hydraulic oil through flow divider-combiner to wait shunt volume to enter the rodless cavity of structure, size, precision, two oil hydraulic cylinders that volumetric efficiency is identical, piston synchronous stretches out, and oil hydraulic cylinder rod chamber fluid is through one-way speed-regulating valve oil sump tank; Otherwise, 3-position 4-way solenoid directional control valve right position work in the time of 3DT energising adhesive, oil pump feed enters the rod chamber of oil hydraulic cylinder on the one hand through one-way speed-regulating valve, oil hydraulic cylinder rodless cavity fluid enters flow divider-combiner on the other hand, return mailbox Deng flow by combiner valve, because being the also synchronous operation of equivalent process combiner valve event backward stroke of the piston.
The invention has the beneficial effects as follows:
Adopt flow divider-combiner to realize synchronously stretching out and backhaul of double hydraulic cylinder, thereby ensured the bender synchronous operation of oil hydraulic cylinder in the course of the work, improved the stability of synchronization of system.
 
Brief description of the drawings
Fig. 1 is the bender hydraulic synchronous system figure of a kind of flow divider-combiner control of the present invention.
Wherein, 1 is fuel tank, and 2 is filter, 3 is oil hydraulic pump, and 4 is motor, and 5 is one-way valve, 6 is pressure meter switch, 7 is pressure gauge, and 8 is pilot operated compound relief valve, and 9 is bi-bit bi-pass solenoid directional control valve, 10 is 3-position 4-way solenoid directional control valve, 11 is flow divider-combiner, and 12 is one-way speed-regulating valve, and 13 is oil hydraulic cylinder.
Embodiment
As shown in Figure 1, the bender hydraulic synchronous system of a kind of flow divider-combiner control of the present invention, comprises fuel tank 1, filter 2, oil hydraulic pump 3, motor 4, one-way valve 5, pressure meter switch 6, pressure gauge 7, pilot operated compound relief valve 8, bi-bit bi-pass solenoid directional control valve 9,3-position 4-way solenoid directional control valve 10, flow divider-combiner 11, one-way speed-regulating valve 12, oil hydraulic cylinder 13.
In bender working procedure, oil hydraulic pump 3 is by the hydraulic oil sucking-off in fuel tank 1 under the drive of asynchronous motor 4, and wherein hydraulic oil filters through oil purifier 2; Flow through after one-way valve 5, hydraulic oil is divided into two tunnels, and wherein a road is connected fuel tank 1 after bi-bit bi-pass solenoid directional control valve 9 through pilot operated compound relief valve 8; In the time of 1DT power-off, this oil circuit has the voltage regulation function to system, and in the time of 1DT energising adhesive, this oil circuit has unloading function.Another road binders road enters the rodless cavity of oil hydraulic cylinder 13 after 3-position 4-way solenoid directional control valve 10, flow divider-combiner 11; Hydraulic oil flows out from the rod chamber of oil hydraulic cylinder 13, returns to fuel tank 1 through one-way speed-regulating valve 12 and 3-position 4-way solenoid directional control valve 10.
When 2DT energising adhesive, the left position work of 3-position 4-way solenoid directional control valve 10, hydraulic oil is through flow divider-combiner 11 to wait shunt volume to enter the rodless cavity of structure, size, precision, oil hydraulic cylinder 13 that volumetric efficiency is identical, and the piston synchronous of oil hydraulic cylinder stretches out.When oil return, fluid is flowed out by the rod chamber of oil hydraulic cylinder 13, returns in fuel tank 1 through series flow control valve and the 3-position 4-way solenoid directional control valve 10 of one-way valve series flow control valve 12; In this process, owing to adopting flow divider-combiner 11 grades to divide hydraulic fluid flow rate, thereby ensure that oil hydraulic cylinder 13 pistons stretch out the net synchronization capability in process.
When 3-position 4-way solenoid directional control valve 10 is during in meta, due to original oil-feed and return line obstructed, system keeps original pressure, presses down the pressure holding function in process thereby realize cutter.
When 3DT energising adhesive, while work in the right position of 3-position 4-way solenoid directional control valve 10, hydraulic oil enters the rod chamber of oil hydraulic cylinder 13 through the one-way valve of 3-position 4-way solenoid directional control valve 10, one-way speed-regulating valve 12; Hydraulic oil in its oil hydraulic cylinder 13 rodless cavities enters flow divider-combiner 11, waits flow to flow back in fuel tank 1 by combiner valve.In this process, because hydraulic pressure wet goods flow is by flow divider-combiner 11, thereby ensure being synchronized with the movement in oil hydraulic cylinder 13 backward stroke of the piston processes.

Claims (1)

1. a bender hydraulic synchronous system for flow divider-combiner control, comprises fuel tank, filter, oil hydraulic pump, motor, one-way valve, pilot operated compound relief valve, bi-bit bi-pass solenoid directional control valve, 3-position 4-way solenoid directional control valve, flow divider-combiner, one-way speed-regulating valve and oil hydraulic cylinder; It is characterized in that, fuel tank is connected with oil hydraulic pump by filter, and asynchronous motor is connected with oil hydraulic pump respectively with one-way valve; First be connected pilot operated compound relief valve and bi-bit bi-pass solenoid directional control valve with the connected Yi of one-way valve road, then be connected with fuel tank; Another road is connected with oil hydraulic cylinder rodless cavity one side respectively through 3-position 4-way solenoid directional control valve, flow divider-combiner; One-way speed-regulating valve is connected with oil hydraulic cylinder rod chamber one side, the adjusting of friction speed demand when oil hydraulic cylinder being pressed down F.F. and work and entered for realizing.
CN201410218216.5A 2014-05-22 2014-05-22 Bending machine hydraulic synchronous system controlled by flow distributing and collecting valve Pending CN104006018A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410218216.5A CN104006018A (en) 2014-05-22 2014-05-22 Bending machine hydraulic synchronous system controlled by flow distributing and collecting valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410218216.5A CN104006018A (en) 2014-05-22 2014-05-22 Bending machine hydraulic synchronous system controlled by flow distributing and collecting valve

Publications (1)

Publication Number Publication Date
CN104006018A true CN104006018A (en) 2014-08-27

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Family Applications (1)

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CN201410218216.5A Pending CN104006018A (en) 2014-05-22 2014-05-22 Bending machine hydraulic synchronous system controlled by flow distributing and collecting valve

Country Status (1)

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CN (1) CN104006018A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104500471A (en) * 2014-12-10 2015-04-08 西南铝业(集团)有限责任公司 Synchronous hydraulic ascending and descending device
CN105221501A (en) * 2015-11-10 2016-01-06 湘电风能有限公司 A kind of wind driven generation set main shaft locking synchronization hydraulic system
CN105952693A (en) * 2016-06-28 2016-09-21 安徽东海机床制造有限公司 Bending machine capable of operating efficiently and stably and hydraulic system thereof
CN106042226A (en) * 2016-07-22 2016-10-26 德科摩橡塑科技(东莞)有限公司 Hydraulic synchronous telescopic die assembling device
CN106704281A (en) * 2017-01-24 2017-05-24 长沙通石达机械制造有限公司 Combined rope sawing machine
CN107191423A (en) * 2017-05-19 2017-09-22 徐州工业职业技术学院 A kind of hydraulic synchronization control loop
CN110026460A (en) * 2019-05-21 2019-07-19 杜宗英 Dental chair headlamp annular rim U-shaped semi-finished product punching press symmetrically guarantees device

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CN203856790U (en) * 2014-05-22 2014-10-01 江苏大学 Bending machine hydraulic synchronizing system controlled by flow distributing and collecting valve

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080223205A1 (en) * 2003-08-08 2008-09-18 Hitachi Construction Machinery Co., Ltd. Hydraulic Drive Apparatus
CN201581382U (en) * 2009-11-16 2010-09-15 昆明理工大学 Electro-hydraulic proportional control piston type two-lifting-point hydraulic hoist
CN102242611A (en) * 2011-07-12 2011-11-16 中国地质大学(武汉) Automatic rod fetching system for seafloor cone detection and drilling integrated device
CN102442528A (en) * 2011-09-19 2012-05-09 大连维乐液压制造有限公司 Hydraulic station for feeding trolley
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CN203429680U (en) * 2013-07-24 2014-02-12 徐州重型机械有限公司 Road-block removing vehicle and hydraulic system thereof for controlling lifting and falling of load
CN203856790U (en) * 2014-05-22 2014-10-01 江苏大学 Bending machine hydraulic synchronizing system controlled by flow distributing and collecting valve

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104500471A (en) * 2014-12-10 2015-04-08 西南铝业(集团)有限责任公司 Synchronous hydraulic ascending and descending device
CN105221501A (en) * 2015-11-10 2016-01-06 湘电风能有限公司 A kind of wind driven generation set main shaft locking synchronization hydraulic system
CN105952693A (en) * 2016-06-28 2016-09-21 安徽东海机床制造有限公司 Bending machine capable of operating efficiently and stably and hydraulic system thereof
CN106042226A (en) * 2016-07-22 2016-10-26 德科摩橡塑科技(东莞)有限公司 Hydraulic synchronous telescopic die assembling device
CN106704281A (en) * 2017-01-24 2017-05-24 长沙通石达机械制造有限公司 Combined rope sawing machine
CN106704281B (en) * 2017-01-24 2018-09-21 长沙通石达机械制造有限公司 Combined rope saw
CN107191423A (en) * 2017-05-19 2017-09-22 徐州工业职业技术学院 A kind of hydraulic synchronization control loop
CN110026460A (en) * 2019-05-21 2019-07-19 杜宗英 Dental chair headlamp annular rim U-shaped semi-finished product punching press symmetrically guarantees device

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Application publication date: 20140827