CN201432288Y - Hydraulic energy-saving device of machine tool - Google Patents

Hydraulic energy-saving device of machine tool Download PDF

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Publication number
CN201432288Y
CN201432288Y CN2009201612601U CN200920161260U CN201432288Y CN 201432288 Y CN201432288 Y CN 201432288Y CN 2009201612601 U CN2009201612601 U CN 2009201612601U CN 200920161260 U CN200920161260 U CN 200920161260U CN 201432288 Y CN201432288 Y CN 201432288Y
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CN
China
Prior art keywords
hydraulic
saving
pressure
servo
controller
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.)
Expired - Fee Related
Application number
CN2009201612601U
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Chinese (zh)
Inventor
赵彦智
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.)
LNC TECHNOLOGY Co Ltd
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LNC TECHNOLOGY Co Ltd
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
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Priority to CN2009201612601U priority Critical patent/CN201432288Y/en
Application granted granted Critical
Publication of CN201432288Y publication Critical patent/CN201432288Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a hydraulic energy-saving device of a machine tool, which comprises a controller, a servo driver, a servo motor, a hydraulic pump, a rotation speed sensor and a pressure sensor. A hydraulic pressure and hydraulic flow control unit is built in the controller necessary for the numerical control machine tool of each computer; high pressure-free throttle loss is completed in a hydraulic loop; and a user can directly set operating speed and clamping force required by an oil pressure mechanism in a control panel and simultaneously adjust the driving parameters at any timeby feedback of a speed signal and a pressure signal so as to lead the control effect to be more perfect. Beside the characteristic of saving energy, the hydraulic energy-saving device also has the advantages of reducing the working impact force of the mechanism in starting, prolonging the service life of the machine and the oil pressure element, reducing the noise of equipment and the like.

Description

Toolroom machine hydraulic energy-saving device
Technical field
The utility model is relevant for a kind of toolroom machine hydraulic energy-saving device, is meant especially in a kind of hydraulic pressure unit mechanism that is applied to the computer numerical value control tool machine, and makes overall operation efficient have the toolroom machine hydraulic energy-saving device of energy-saving effect.
Background technology
Present domestic toolroom machine manufacturer employed oil pressure unit on equipment is still taked traditional oil pressure cellular system mostly, and promptly oil pump motor provides constant flow with constant rotating speed, and unnecessary hydraulic oil refluxes by overflow valve, and this process is called the high pressure throttling.The energy loss that is caused by the high pressure throttling is up to 36%-68% according to statistics.Even the hydraulic mechanism attonity also is like this, such operating mode, the throttling power loss is very big, thereby cause energy dissipation, simultaneously since the long-term full speed loop of hydraulic oil flow, will with hydraulic part, the violent friction of mechanical parts, cause the oil temperature too high, problems such as noise is excessive, service life of a machine also can shorten.
Hydraulic pressure knot energy device commonly used such as TaiWan, China are announced patent name M356607 number: the hydraulic system energy saver; TaiWan, China is announced M342932 number, patent name: large-scale many group motor and multi-joint hydraulic oil pump plastic rubber ejection shaping apparatus energy-saving and frequency-variable control device; TaiWan, China is announced No. 200831662, patent name: hydraulic oil constituent; TaiWan, China is announced No. 200736503, patent name: the patent cases such as control method that are used for the energy-conservation or improving productivity of hydraulic press are all demanded urgently being improved.
Summary of the invention
The purpose of this utility model promptly is to provide a kind of toolroom machine hydraulic energy-saving device, obtains the feedback of rate signal and pressure signal by rotating speed perceptron and pressure sensor, carries out the high efficiency control of constant pressure and constant current amount.
A time purpose of the present utility model is to provide a kind of toolroom machine hydraulic energy-saving device, except that having energy-conservation characteristics, more can have the mechanism of alleviating and open work impulsive force, prolonged mechanical and oil pressure element service life, reduces equipment noise or the like advantage.
Can reach the toolroom machine hydraulic energy-saving device of above-mentioned novel purpose, be formed by controller, servo-driver, servo motor, hydraulic pump, rotating speed perceptron and pressure sensor; A kind of toolroom machine hydraulic energy-saving device, include a controller, this controller signals connects servo-driver, the flow signal that this servo-driver is accepted controller drives servo motor, this servo motor is connected with hydraulic pump again, in addition this hydraulic pump more connects pressure sensor, and this pressure sensor and be connected with controller; Wherein, this controller more comprises a hydraulic pressure control module and a hydraulic flow control module, this hydraulic pressure control module reads in the signal of pressure sensor, and calculate through control program, by this hydraulic flow control module the flow command signal is delivered to again and reached servo-driver, with the pressure and the flow of automatic adjusting hydraulic pressure unit output.
The utility model is with hydraulic pressure control module and hydraulic flow control module, in be built in the controller of every computer numerical value control tool machine indispensability, the user can directly set required operating rate and the pressure of oil sector in control panel, while is by the feedback of rate signal and pressure signal, at any time adjust the hydraulic-driven parameter, so that the control effect can more be attained perfection.
Description of drawings
Fig. 1 is the enforcement Organization Chart of the utility model toolroom machine hydraulic energy-saving device.
The specific embodiment
See also Fig. 1, the enforcement Organization Chart of toolroom machine hydraulic energy-saving device is provided for the utility model, by among the figure as can be known, the utility model toolroom machine hydraulic energy-saving device comprises: a controller 1, a servo-driver 2, a servo motor 3, a rotating speed perceptron 4, a hydraulic pump 5 and a pressure sensor 6 constitute.
A kind of toolroom machine hydraulic energy-saving device, include a controller 1, this controller 1 signal connects servo-driver 2, flow and pressure signal that this servo-driver 2 is accepted controller 1 drive servo motor 3, this servo motor 3 is connected with hydraulic pump 5 again, hydraulic pump 5 more connects pressure sensor 6 in addition, and this pressure sensor 6 and be connected with controller 1, wherein, this controller 1 more comprises a hydraulic pressure control module 11 and a hydraulic flow control module 12, read in the signal of pressure sensor 6 by hydraulic pressure control module 11, and calculate through control program, by hydraulic flow control module 12 flow order and pressure command signal are delivered to again and reached servo-driver 2, with the pressure and the flow of automatic adjusting hydraulic oil output.
This controller 1 comprises a hydraulic pressure control module 11 and a hydraulic flow control module 12, the user can be in controller 1 required pressure and the operating rate in input hydraulic pressure unit and mechanism, and read in the signal of pressure sensor 6 by hydraulic pressure control module 11, together with hydraulic flow control module 12, integrate control program and calculate the order arrival servo-driver 2 of losing one's life;
This servo-driver 2 is accepted the flow order and the pressure command signal of controller 1, turns round to drive servo motor 3, reads in the motor speed signal of 4 feedbacks of rotating speed perceptron simultaneously, can carry out speed control after comparison;
This servo motor 3 receives the drive control signal of servo-driver 2, and then promotes hydraulic pump 5 work, and connects rotating speed perceptron 4 simultaneously, and the rotating speed of servo motor 3 can be read by rotating speed perceptron 4;
This rotating speed perceptron 4 is connected with servo motor 3, but feedback servo motor 3 actual speed are to servo-driver 2 and controller 1 (monitoring is used);
This hydraulic pump 5 can be two sections pressure type variable pumps of collocation or constant displacement pump, accepts the promotion of servo motor 3, makes hydraulically operated fixture or oil hydraulic cylinder 7 work, and is connected with pressure sensor 6 simultaneously;
This pressure sensor 6 is connected with hydraulic pump 5, the pressure actual value can be fed back to controller 1.
The utility model is pressure and a flow of being set hydraulic pressure control module 11 and hydraulic flow control module 12 by controller 1, transfer to servo-driver 2 behind this controller 1 and the signal operation with this pressure and flow, servo-driver 2 carries out servo motor 3 frequency modulation speed changes according to setting signal, so that servo motor 3 drives hydraulic pump 5 according to pressure of setting and flow signal, the hydraulic oil that makes hydraulic pump 5 make quantitative level pressure exports magnetic valve 8 to, make magnetic valve 8 adjust the direction of hydraulic oil input oil hydraulic cylinders 7 or hydraulically operated fixture, and then the advancing or backward movement of the piston rod of control oil hydraulic cylinder 7.
The pressure sensor 6 that is connected with hydraulic pump 5, then the hydraulic pump 5 of detecting induction at any time is delivered to the hydraulic fluid pressure and the flow of oil hydraulic cylinder 7, and at any time with the pressure feedback of hydraulic oil to controller 1, when pressure sensor 6 detects the pressure of hydraulic oil or flow and setting value when different, controller 1 promptly is sent to servo-driver 2 with pressure and the flow signal of setting again; Simultaneously, this rotating speed detector also constantly feeds back to controller 1 and servo-driver 2 with the velocity of rotation of servo motor 3, allows controller 1 at any time with the flow command signal, with automatic regulator solution press pump 5 working hydraulic pressures oil output flow and pressure.
Toolroom machine hydraulic energy-saving device provided by the utility model when comparing mutually with other common technologies, has more and gets the row advantage ready:
1. toolroom machine hydraulic energy-saving device of the present utility model is obtained the feedback of rate signal and pressure signal by rotating speed perceptron and pressure sensor, and then the control of the overall work of efficient adjustment hydraulic pressure unit.
2. toolroom machine hydraulic energy-saving device of the present utility model except that having energy-conservation characteristics, more can have the mechanism of alleviating and open work impulsive force, prolonged mechanical and oil pressure element service life, reduces mechanicalness noise or the like advantage.
3. toolroom machine hydraulic energy-saving device of the present utility model can be applicable in the various computer numerical value control tool machine of hydraulic mechanism.
4. adopt power output to stablize durable servo motor,, can export the hydraulic pressure of regime flow with high efficiency, high response, calibration torque control at full speed.
5. servo motor contains that to cover power bracket big, can cooperate customized demand hydraulic flow planning, and hydraulic pressure output response fast, and the actual pressure tracing ability is good, and it is stable quantitatively to export reappearance.
More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in the protection domain of the present utility model all.

Claims (9)

1. toolroom machine hydraulic energy-saving device, it is characterized in that, include a controller, this controller signals connects servo-driver, the flow signal that this servo-driver is accepted controller drives servo motor, this servo motor is connected with hydraulic pump again, and in addition this hydraulic pump more connects pressure sensor, and this pressure sensor and be connected with controller;
Wherein, this controller more comprises a hydraulic pressure control module and a hydraulic flow control module, this hydraulic pressure control module reads in the signal of pressure sensor, and calculate through control program, by this hydraulic flow control module the flow command signal is delivered to again and reached servo-driver, with the pressure and the flow of automatic adjusting hydraulic pressure unit output.
2. toolroom machine hydraulic energy-saving device as claimed in claim 1, it is characterized in that, described servo-driver is accepted the flow command signal of controller, driving servo motor turns round, wherein, this servo motor more connects the rotating speed perceptron, and this controller and servo-driver read in the motor speed signal of rotating speed perceptron institute feedback simultaneously, through comparing laggard line speed control.
3. toolroom machine hydraulic energy-saving device as claimed in claim 1, it is characterized in that described servo motor receives the drive control signal of servo-driver, promote hydraulic pump works, and connect the rotating speed perceptron simultaneously, the rotating speed of servo motor is read by the rotating speed perceptron.
4. toolroom machine hydraulic energy-saving device as claimed in claim 2 is characterized in that described rotating speed perceptron is connected with servo motor, and feedback servo motor actual speed is to servo-driver and controller.
5. toolroom machine hydraulic energy-saving device as claimed in claim 1 is characterized in that described hydraulic pump is accepted the promotion of servo motor, makes oil hydraulic cylinder work, also is connected with pressure sensor simultaneously.
6. toolroom machine hydraulic energy-saving device as claimed in claim 1 is characterized in that pressure sensor is connected with hydraulic pump, and the pressure actual value is fed back to controller.
7. toolroom machine hydraulic energy-saving device as claimed in claim 1 is characterized in that described servo-driver is a frequency converter.
8. toolroom machine hydraulic energy-saving device as claimed in claim 1 is characterized in that, described hydraulic pump is the collocation variable pump.
9. toolroom machine hydraulic energy-saving device as claimed in claim 1 is characterized in that described hydraulic pump is a constant displacement pump.
CN2009201612601U 2009-07-20 2009-07-20 Hydraulic energy-saving device of machine tool Expired - Fee Related CN201432288Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201612601U CN201432288Y (en) 2009-07-20 2009-07-20 Hydraulic energy-saving device of machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201612601U CN201432288Y (en) 2009-07-20 2009-07-20 Hydraulic energy-saving device of machine tool

Publications (1)

Publication Number Publication Date
CN201432288Y true CN201432288Y (en) 2010-03-31

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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102493953A (en) * 2012-01-05 2012-06-13 三一汽车起重机械有限公司 Energy-saving control system, truck crane and energy-saving control method
CN102528842A (en) * 2010-12-15 2012-07-04 宝元数控精密股份有限公司 Energy-saving control system with adjustable cutting force
CN102954068A (en) * 2011-08-25 2013-03-06 苏州晟世能源管理有限公司 Servo energy-saving electro-hydraulic power system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102528842A (en) * 2010-12-15 2012-07-04 宝元数控精密股份有限公司 Energy-saving control system with adjustable cutting force
CN102954068A (en) * 2011-08-25 2013-03-06 苏州晟世能源管理有限公司 Servo energy-saving electro-hydraulic power system
CN102493953A (en) * 2012-01-05 2012-06-13 三一汽车起重机械有限公司 Energy-saving control system, truck crane and energy-saving control method
CN102493953B (en) * 2012-01-05 2014-10-15 三一汽车起重机械有限公司 Energy-saving control system, truck crane and energy-saving control method

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100331

Termination date: 20180720