CN106313617A - Novel numerical-control servo double-acting-stretching hydraulic machine control system - Google Patents

Novel numerical-control servo double-acting-stretching hydraulic machine control system Download PDF

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Publication number
CN106313617A
CN106313617A CN201510398566.9A CN201510398566A CN106313617A CN 106313617 A CN106313617 A CN 106313617A CN 201510398566 A CN201510398566 A CN 201510398566A CN 106313617 A CN106313617 A CN 106313617A
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CN
China
Prior art keywords
valve
oil pump
quantitative
cylinder
master cylinder
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Pending
Application number
CN201510398566.9A
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Chinese (zh)
Inventor
谈伟光
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WUXI PENDE VEHICLE PARTS CO Ltd
Original Assignee
WUXI PENDE VEHICLE PARTS CO Ltd
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Filing date
Publication date
Application filed by WUXI PENDE VEHICLE PARTS CO Ltd filed Critical WUXI PENDE VEHICLE PARTS CO Ltd
Priority to CN201510398566.9A priority Critical patent/CN106313617A/en
Publication of CN106313617A publication Critical patent/CN106313617A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a novel numerical-control servo double-acting-stretching hydraulic machine control system. The system comprises a main cylinder and an auxiliary cylinder; a rapid plunger cylinder and an ejecting cylinder are arranged in the main cylinder, an upper cavity oil path of the rapid plunger cylinder is connected with a charging valve, a first reversing valve of the charging valve is connected with a stop valve, a first overflow valve and a quantitative oil pump, the first overflow valve is connected with an oil tank, the quantitative oil pump is connected with the oil tank through an oil filter, and a lower cavity oil path of the main cylinder is connected with the quantitative oil pump through a one-way sequential valve and a second reversing valve; the ejecting cylinder is connected with the quantitative oil pump through the second reversing valve, a lower cavity of the auxiliary cylinder is connected with the oil tank through a second overflow valve, an upper cavity of the auxiliary cylinder is connected with the quantitative oil pump through a third reversing valve, the quantitative oil pump is connected with a servo motor, and a pressure meter is arranged on the stop valve. The system is high in flexibility, high in precision, low in noise, energy-saving, efficient, and convenient to operate.

Description

A kind of novel numerical control servo double action hydraulic drawing press control system
Technical field
The present invention relates to a kind of hydraulic press control system, be specifically related to a kind of servo hydraulic machine and control System.
Background technology
Hydraulic press is widely used in automobile, light industry, household electrical appliances, petrochemical industry, Aeronautics and Astronautics, material Etc. manufacturing, it is used for manufacturing various metal or non-metal workpiece.It is bigger that hydraulic press belongs to power consumption Equipment, but effectively compacting work capacity only accounts for the 2%-10% of actual consumption energy, remaining Energy major part consume with the form of heat energy.
The noise of hydraulic press is substantially at 80-95dB at present, domestic a lot of hydraulic press fields of employment The noise in workshop is all more than 90 decibels, and serious harm operator's is healthy, whole Individual control system is accurate not, and energy consumption is high, operation inconvenience.
Summary of the invention
Goal of the invention: the invention aims to overcome deficiency of the prior art, it is provided that one Planting flexible high, precision is high, and noise is low, efficient energy-saving, and easy to operate novel numerical control servo is double Dynamic hydraulic drawing press control system.
Technical scheme: in order to solve above-mentioned technical problem, a kind of novel numerical control of the present invention Servo double action hydraulic drawing press control system, it includes master cylinder and auxiliary cylinders, in described master cylinder It is provided with quick plunger case and liftout tank, the epicoele oil circuit of described quick plunger case and replenishing valve phase Even, described replenishing valve the first reversal valve is connected with stop valve, the first overflow valve and quantitative oil pump, Described first overflow valve is connected with fuel tank, and described quantitative oil pump is connected with fuel tank by oil filter, The cavity of resorption oil circuit of described master cylinder is connected with quantitative oil pump by one way sequence valve, the second reversal valve, Described liftout tank is connected with quantitative oil pump by two position switching valves, and the cavity of resorption of described auxiliary cylinders passes through Second overflow valve is connected with fuel tank, and the epicoele of described auxiliary cylinders is by the 3rd reversal valve and quantitatively oil Pump is connected, and described quantitative oil pump is connected with servomotor, is provided with Pressure gauge on described stop valve.
It is provided with pressure transducer between epicoele oil circuit and the replenishing valve of described quick plunger case.
Described master cylinder is provided with the first displacement transducer.
Described auxiliary cylinders is provided with second displacement sensor.
Beneficial effect: compared with prior art, its remarkable advantage is the present invention: the present invention is overall Structure arranges rationally, by the cooperation of each parts, utilizes servomotor, it is achieved SERVO CONTROL, Make hydraulic press service behaviour improve, it is achieved volumetric speed control, to cancel standby drain charge, greatly reduce energy Consumption, uses master cylinder, auxiliary cylinders, pressure transducer, the first displacement transducer and the second displacement to pass Sensor, it is achieved master cylinder fast downlink, backhaul, at a slow speed impulse stroke, pressurize, quick return with And the mode of operation such as auxiliary cylinders is up, descending, and the master cylinder speed of impulse stroke, pressure are permissible Controlling in real time, can realize pressure changeable floating flanging, flexibility of the present invention is high, and precision is high, makes an uproar Low voice, efficient energy-saving, easy to operate, meet actual operation requirements.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of the present invention.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of novel numerical control servo double action hydraulic drawing press control of the present invention System processed, it includes master cylinder 1 and auxiliary cylinders 2, is provided with quick plunger case in described master cylinder 1 3 and liftout tank 4, the epicoele oil circuit of described quick plunger case 3 is connected with replenishing valve 5, described Replenishing valve 5 first reversal valve 6 is connected with stop valve the 7, first overflow valve 8 and quantitative oil pump 9, Described first overflow valve 8 is connected with fuel tank 10, described quantitative oil pump 9 by oil filter 11 with Fuel tank 10 is connected, and the cavity of resorption oil circuit of described master cylinder 1 is commutated by one way sequence valve 12, first Valve 13 is connected with quantitative oil pump 9, and described liftout tank 4 is by two position switching valves 14 and quantitatively oil Pump 9 is connected, and the cavity of resorption of described auxiliary cylinders 2 is connected with fuel tank 10 by the second overflow valve 15, The epicoele of described auxiliary cylinders 2 is connected with quantitative oil pump 9 by the second reversal valve 16, described fixed Dispensing pump 9 is connected with servomotor 17, is provided with Pressure gauge 18 on described stop valve 7;? It is provided with pressure transducer 19 between epicoele oil circuit and the replenishing valve 5 of described quick plunger case 3; Described master cylinder 1 is provided with the first displacement transducer 20;Described auxiliary cylinders 2 is provided with Two displacement transducers 21.Overall structure of the present invention arranges rationally, by the cooperation of each parts, Utilize servomotor, it is achieved SERVO CONTROL, make hydraulic press service behaviour improve, it is achieved adjustment with volume Speed, cancel standby drain charge, greatly reduce energy consumption, use master cylinder, auxiliary cylinders, pressure transducer, First displacement transducer and second displacement sensor, it is achieved master cylinder fast downlink, backhaul, at a slow speed The mode of operations such as impulse stroke, pressurize, quick return and auxiliary cylinders are up, descending, and work Make the master cylinder speed of stroke, pressure can control in real time, can realize pressure changeable floating flanging, Flexibility of the present invention is high, and precision is high, and noise is low, and efficient energy-saving is easy to operate, meets actual making With requiring.
The invention provides a kind of thinking and method, implement method and the way of this technical scheme Footpath is a lot, and the above is only the preferred embodiment of the present invention, it is noted that for this skill For the those of ordinary skill in art field, under the premise without departing from the principles of the invention, it is also possible to Making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention, Each ingredient the clearest and the most definite in the present embodiment all can use prior art to be realized.

Claims (4)

1. a novel numerical control servo double action hydraulic drawing press control system, it is characterised in that: It includes master cylinder (1) and auxiliary cylinders (2), is provided with quick plunger case in described master cylinder (1) (3) and liftout tank (4), the epicoele oil circuit of described quick plunger case (3) and replenishing valve (5) Be connected, described replenishing valve (5) by the first reversal valve (6) and stop valve (7), first overflow Stream valve (8) and quantitative oil pump (9) connect, described first overflow valve (8) and fuel tank (10) Being connected, described quantitative oil pump (9) is connected with fuel tank (10) by oil filter (11), institute State the cavity of resorption oil circuit of master cylinder (1) by one way sequence valve (12), the second reversal valve (13) with Quantitative oil pump (9) is connected, and described liftout tank (4) passes through two position switching valves (14) with quantitative Oil pump (9) is connected, and the cavity of resorption of described auxiliary cylinders (2) is by the second overflow valve (15) and oil Case (10) is connected, and the epicoele of described auxiliary cylinders (2) is by the 3rd reversal valve (16) and determines Dispensing pump (9) is connected, and described quantitative oil pump (9) is connected with servomotor (17), in institute State stop valve (7) and be provided with Pressure gauge (18).
Novel numerical control servo double action hydraulic drawing press the most according to claim 1 controls system System, it is characterised in that: at epicoele oil circuit and the replenishing valve (5) of described quick plunger case (3) Between be provided with pressure transducer (19).
Novel numerical control servo double action hydraulic drawing press control the most according to claim 1 and 2 System processed, it is characterised in that: on described master cylinder (1), it is provided with the first displacement transducer (20).
4. according to the novel numerical control servo double-action drawing hydraulic pressure described in claim 1 or 2 or 3 Machine control system, it is characterised in that: in described auxiliary cylinders (2), it is provided with the second displacement sensing Device (21).
CN201510398566.9A 2015-07-08 2015-07-08 Novel numerical-control servo double-acting-stretching hydraulic machine control system Pending CN106313617A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510398566.9A CN106313617A (en) 2015-07-08 2015-07-08 Novel numerical-control servo double-acting-stretching hydraulic machine control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510398566.9A CN106313617A (en) 2015-07-08 2015-07-08 Novel numerical-control servo double-acting-stretching hydraulic machine control system

Publications (1)

Publication Number Publication Date
CN106313617A true CN106313617A (en) 2017-01-11

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1515368A (en) * 2003-08-26 2004-07-28 苏州市越海拉伸机械有限公司 Lower cylinder of hydraulic duoble-action stretching machine
CN2637024Y (en) * 2003-08-26 2004-09-01 苏州市越海拉伸机械有限公司 Digital controlled hydraulic double acting stretching machine
DE212006000075U1 (en) * 2005-12-06 2008-07-31 Suzhou Yuehai Stretching Machinery Co., Ltd., Suzhou Numerically controlled, hydraulically double-acting forming device
CN101712207A (en) * 2009-09-08 2010-05-26 广东工业大学 High performance and energy-saving double-acting hydrostatic press driven by servo motor
CN101856690A (en) * 2009-04-11 2010-10-13 袁吉辉 Novel double action hydraulic drawing press
CN201769389U (en) * 2010-07-17 2011-03-23 广东宏兴机械有限公司 Hydraulic press
CN202570927U (en) * 2012-03-15 2012-12-05 扬州市江洋塑料冲压配件厂 Double-acting hydraulic tensioning machine with composite cylinder
CN204773760U (en) * 2015-07-08 2015-11-18 无锡鹏德汽车配件有限公司 Novel servo double acting hydraulic drawing press control system of numerical control

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1515368A (en) * 2003-08-26 2004-07-28 苏州市越海拉伸机械有限公司 Lower cylinder of hydraulic duoble-action stretching machine
CN2637024Y (en) * 2003-08-26 2004-09-01 苏州市越海拉伸机械有限公司 Digital controlled hydraulic double acting stretching machine
DE212006000075U1 (en) * 2005-12-06 2008-07-31 Suzhou Yuehai Stretching Machinery Co., Ltd., Suzhou Numerically controlled, hydraulically double-acting forming device
CN101856690A (en) * 2009-04-11 2010-10-13 袁吉辉 Novel double action hydraulic drawing press
CN101712207A (en) * 2009-09-08 2010-05-26 广东工业大学 High performance and energy-saving double-acting hydrostatic press driven by servo motor
CN201769389U (en) * 2010-07-17 2011-03-23 广东宏兴机械有限公司 Hydraulic press
CN202570927U (en) * 2012-03-15 2012-12-05 扬州市江洋塑料冲压配件厂 Double-acting hydraulic tensioning machine with composite cylinder
CN204773760U (en) * 2015-07-08 2015-11-18 无锡鹏德汽车配件有限公司 Novel servo double acting hydraulic drawing press control system of numerical control

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Application publication date: 20170111

RJ01 Rejection of invention patent application after publication