CN2818031Y - Hydraulic system of brake style plate shearing machine - Google Patents

Hydraulic system of brake style plate shearing machine Download PDF

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Publication number
CN2818031Y
CN2818031Y CN 200520070939 CN200520070939U CN2818031Y CN 2818031 Y CN2818031 Y CN 2818031Y CN 200520070939 CN200520070939 CN 200520070939 CN 200520070939 U CN200520070939 U CN 200520070939U CN 2818031 Y CN2818031 Y CN 2818031Y
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CN
China
Prior art keywords
valve
mouth
way
oil cylinder
way electromagnetic
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Expired - Lifetime
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CN 200520070939
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Chinese (zh)
Inventor
柳倩希
余继军
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AIERFA ELECTROHYDRAULIC TECHNOLOGY Co Ltd NANJING CITY
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AIERFA ELECTROHYDRAULIC TECHNOLOGY Co Ltd NANJING CITY
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Priority to CN 200520070939 priority Critical patent/CN2818031Y/en
Application granted granted Critical
Publication of CN2818031Y publication Critical patent/CN2818031Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a hydraulic control system of a brake style plate shearing machine, which solves the problem that the material pressing action of the existing plate shearing machine can not be controlled individually. The hydraulic control system of a brake style plate shearing machine of the utility model comprises an oil pump, a three-position four-way solenoid valve (60), and an oil tank. The lower cavity of a main shearing cylinder is connected to the upper cavity of a subsidiary shearing cylinder; a port P of the three-position four-way solenoid valve (60) is connected to an oil outlet of the oil pump, a port A is connected to the upper cavity of the main shearing cylinder and a port B is connected to the lower cavity of the subsidiary shearing cylinder. A balanced valve (80) is connected between the upper cavity of the main shearing cylinder and the lower cavity of the subsidiary shearing cylinder, the port P of the three-position four-way solenoid valve (60) is connected to the upper cavity of the material pressing oil cylinder through a one-way valve (130) and a poppet valve (190); the upper cavity of the material pressing oil cylinder is connected to the oil tank by a poppet valve (50). The utility model functionally realizes the individual control of the material pressing action of the brake style plate shearing machine.

Description

Lock formula hydraulic system of cutting machine
Technical field
The utility model relates to a kind of hydraulic control system of plate shearing machine, the hydraulic control system of the lock formula plate shearing machine of especially a kind of 16mm.
Background technology
Lock formula plate shearing machine is universal abroad, and its machining accuracy is than the swing-type plate shears height.The domestic production scale is less relatively, and reason is the manufacturing cost height, and hydraulic system is also complicated.The hydraulic system that present domestic lathe manufacturer adopts mostly is self-control, the more employing plate valve of Hydraulic Elements.In using more than large-scale plate shearing machine (12mm), for reaching corresponding flow, the volume of valve just must be very big, and its weight is just big accordingly, price is just higher.Also have manufacturer to adopt two logical inserted valves, but structure is not compact, function is few, lacks safety protection function.
On function, existing lock formula plate shearing machine binder action can not be controlled separately; The binder pressure of binder oil cylinder can not be regulated; The order function that realizes binder, shearing simultaneously is not too reliable.
Summary of the invention
The technical problem that the utility model solves is exactly the problem that existing plate shearing machine binder action can not be controlled separately.
Lock formula hydraulic system of cutting machine described in the utility model comprises oil pump, three position four-way electromagnetic valve 60, fuel tank; Main shearing oil cylinder cavity of resorption connects auxiliary shears and cuts the oil cylinder epicoele; The P mouth of three position four-way electromagnetic valve 60 connects the oil-out of oil pump, and the A mouth connects the main oil cylinder epicoele of shearing; The B mouth connects auxiliary shears and cuts the oil cylinder cavity of resorption; Cut and be connected to balanced valve 80 between the oil cylinder cavity of resorption at main oil cylinder epicoele and the auxiliary shears sheared; The P mouth of three position four-way electromagnetic valve 60 also is connected to the epicoele of binder oil cylinder by check valve 130, poppet valve 190; The epicoele of binder oil cylinder is connected to fuel tank by poppet valve 50.
In order to make the binder pressure of binder oil cylinder to regulate,, to the pipeline of described check valve 130, be connected to pressure-reducing valve 120 at the P of three position four-way electromagnetic valve 60 mouth as improvement.
In order to make the order of binder, shearing reliably guaranteed,, to the pipeline of binder oil cylinder epicoele, be connected to the pressure switch 170 of controlling described three position four-way electromagnetic valve 60 at poppet valve 190 for any lock formula hydraulic system of cutting machine recited above.
When being return, the plate shearing machine operating characteristic require the flow of hydraulic valve much larger than shear history.If the flow that needs by return comes the choice direction valve, the direction valve specification must be more than NG16.In order to reduce cost, satisfy the lathe need of work simultaneously, for any lock formula hydraulic system of cutting machine recited above, the A mouth of three position four-way electromagnetic valve 60 also is connected to fuel tank by check valve 160.Described check valve 160 can be combined by two-way plug-in valve 140 and solenoid directional control valve 150; Described solenoid directional control valve 150 is preferably two-position four way change valve.Plug-in electromagnetism check valve in parallel on oil return circuit, like this, the oil return major part during return is got back to fuel tank through check valve 160, has not only reduced cost but also has reduced the volume and weight of system.
In order to make the utility model can increase, reduce the angle of shear, for any lock formula hydraulic system of cutting machine recited above, it also comprises another three position four-way electromagnetic valve 70; The P mouth of this three position four-way electromagnetic valve 70 and the P mouth of three position four-way electromagnetic valve 60 join, and the A mouth connects the epicoele that auxiliary shears are cut oil cylinder by a hydraulic control one-way valve 90, and the B mouth connects the cavity of resorption that auxiliary shears are cut oil cylinder by a check valve 110; The B mouth of three position four-way electromagnetic valve 70 also joins with the control mouth of hydraulic control one-way valve 90.
For any lock formula hydraulic system of cutting machine recited above, the P mouth of three position four-way electromagnetic valve 60 also is connected to fuel tank by two-way plug-in valve 10; One of 2/2-way reversal valve 40 is connected to fuel tank, and the other end is connected to the P mouth of three position four-way electromagnetic valve 60, the control mouth of two-way plug-in valve 10 respectively.Two-way plug-in valve 10,2/2-way reversal valve are used for the foundation and the release of control system principal pressure.
For any lock formula hydraulic system of cutting machine recited above, except that two-way plug-in valve 10, all the other control valves adopt screw-in cartridge valve.Because the plate valve of screw-in cartridge valve and same function specific volume mutually reduces greatly, the height that reliability and stability are also suitable, price is also relatively cheap.Adopt screw-in cartridge valve to realize functional and balance economy.
The utility model has been realized the independent control of lock formula plate shearing machine binder action on function; And can regulate pressure-plate-force by pressure-reducing valve; Pressure switch guarantees binder pressure accurate and effective, realizes the order function of binder, shearing simultaneously; The price of the present utility model that adopts screw-in cartridge valve to reduce.The utility model is stability and the reliability that has promoted lock formula plate shearing machine hydraulic control system.
Description of drawings
Fig. 1 is the hydraulic system principle figure of a kind of embodiment of the utility model;
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
System mainly contains plug-in pressure valve 10, thread cartridge formula safety valve 30, thread cartridge formula reversal valve 40, poppet valve 50, solenoid directional control valve (NG10) 60, solenoid directional control valve (NG6) 70, thread cartridge balanced valve 80, thread cartridge formula hydraulic control one-way valve 90, thread cartridge formula check valve 110, thread cartridge formula pressure-reducing valve 120, thread cartridge formula check valve 130, inserted valve (NG25) 140, solenoid directional control valve 150, pressure switch 170, poppet valve 190.
Main shearing oil cylinder 200 cavity of resorptions connect auxiliary shears and cut oil cylinder 210 epicoeles.
The P mouth of three position four-way electromagnetic valve 60 connects the oil-out of oil pump 220, and the A mouth connects main oil cylinder 200 epicoeles of shearing; The B mouth connects auxiliary shears and cuts oil cylinder 210 cavity of resorptions.The P mouth of three position four-way electromagnetic valve 60 also is connected to the epicoele of binder oil cylinder 230 successively by pressure-reducing valve 120, check valve 130, poppet valve 190, pressure switch 170.The P mouth of three position four-way electromagnetic valve 60 also is connected to fuel tank 240 by two-way plug-in valve 10; One of 2/2-way reversal valve 40 is connected to fuel tank 240, and the other end is connected to the P mouth of three position four-way electromagnetic valve 60, the control mouth of two-way plug-in valve 10 respectively.The A mouth of three position four-way electromagnetic valve 60 also is connected to fuel tank 240 by check valve 160, and check valve 160 is combined by two-way plug-in valve 140 and solenoid directional control valve 150, and solenoid directional control valve 150 is a two-position four way change valve.
Safety valve 30 also is connected in the two ends of two-way plug-in valve 10.The epicoele of binder oil cylinder 230 is connected to fuel tank 240 by poppet valve 50.Cut between oil cylinder 210 cavity of resorptions and be connected to balanced valve 80 at main oil cylinder 200 epicoeles and the auxiliary shears sheared.An electromagnet of the described three position four-way electromagnetic valve 60 of pressure switch 170 control dead electricity.
The P mouth of three position four-way electromagnetic valve 70 and the P mouth of three position four-way electromagnetic valve 60 join, and the A mouth connects the epicoele that auxiliary shears are cut oil cylinder by a hydraulic control one-way valve 90, and the B mouth connects the cavity of resorption that auxiliary shears are cut oil cylinder by a check valve 110.The B mouth of three position four-way electromagnetic valve 70 also joins with the control mouth of hydraulic control one-way valve 90.
Principle is introduced: two-way plug-in valve 10, safety valve 30, No. 40 valves of reversal valve are used for the foundation and the release of control system principal pressure.
Compress: Y1, Y7, Y8 get electric, and pressure oil to binder oil cylinder 230, compresses plate through pressure-reducing valve 120, check valve 130, poppet valve 190.
Shear: the setting value that reaches pressure switch 170 when pressure, pressure switch 170 senders, Y3 gets, pressure oil arrives main oil cylinder 200 epicoeles of shearing, the fluid of master cylinder cavity of resorption enters the epicoele that auxiliary shears are cut oil cylinder 210, auxilliary oil cylinder cavity of resorption fluid overcomes the back pressure of balanced valve 80, makes that scissors is descending finishes shearing.
Backhaul: Y1, Y2, Y4 get electric, and pressure oil arrives auxiliary shears and cuts the oil cylinder cavity of resorption, promote piston stroking upward, and auxiliary shears are cut the oil cylinder epicoele and linked to each other with the main oil cylinder cavity of resorption of shearing, thereby it is up to make the master shear oil cylinder.Main most oil return of shearing oil cylinder 200 epicoeles is got back to fuel tank through inserted valve (NG25) 140, and opening speed is very fast.
The increase angle of shear: Y1, Y5 get electric, and pressure oil is opened hydraulic control one-way valve 90 and arrived auxiliary shears through check valve 110 and cuts the oil cylinder cavity of resorption, and it is up that auxiliary shears are cut oil cylinder, and auxiliary shears are cut the oil of oil cylinder epicoele and got back to fuel tank through hydraulic control one-way valve 90, solenoid directional control valve (NG6) 70.
Reduce the angle of shear: Y1, Y6 get electric, and pressure oil enters auxiliary shears by hydraulic control one-way valve 90 and cuts the oil cylinder epicoele, and descent of piston, auxiliary shears are cut the oil of oil cylinder cavity of resorption and got back to fuel tank through balanced valve 80, solenoid directional control valve (NG10) 60.
Table 1 is the corresponding actions sequence list that each electromagnet among Fig. 1 gets electric situation and lock formula plate shearing machine.
Table 1
Clamping descending up unclamping increases the angle of shear and reduces the angle of shear and stop ?·? ·? ·? ? ·? ·? ? ? ? ·? ? ? ? ? ? ·? ? ? ? ? ? ? ? ·? ? ? ? ? ? ? ? ? ·? ? ? ? ? ? ? ? ?·? ? ?·? ·? ? ? ? ? ? ?·? ·? ? ? ? ? ? ?·? ? ? ? ? ? ?

Claims (10)

1. lock formula hydraulic system of cutting machine comprises oil pump, three position four-way electromagnetic valve (60), fuel tank; Main shearing oil cylinder cavity of resorption connects auxiliary shears and cuts the oil cylinder epicoele; The P mouth of three position four-way electromagnetic valve (60) connects the oil-out of oil pump, and the A mouth connects the main oil cylinder epicoele of shearing; The B mouth connects auxiliary shears and cuts the oil cylinder cavity of resorption; Cut and be connected to balanced valve (8 ()) between the oil cylinder cavity of resorption at main oil cylinder epicoele and the auxiliary shears sheared; It is characterized in that: the P mouth of three position four-way electromagnetic valve (60) also is connected to the epicoele of binder oil cylinder by check valve (130), poppet valve (190); The epicoele of binder oil cylinder is connected to fuel tank by poppet valve (50).
2. lock formula hydraulic system of cutting machine according to claim 1 is characterized in that: the P mouth at three position four-way electromagnetic valve (60) is connected to pressure-reducing valve (120) to the pipeline of described check valve (130).
3. lock formula hydraulic system of cutting machine according to claim 1 and 2 is characterized in that: the A mouth of three position four-way electromagnetic valve (60) also is connected to fuel tank by check valve (160).
4. lock formula hydraulic system of cutting machine according to claim 3 is characterized in that: described check valve (160) is combined by two-way plug-in valve (140) and solenoid directional control valve (150).
5. lock formula hydraulic system of cutting machine according to claim 4 is characterized in that: described solenoid directional control valve (150) is a two-position four way change valve.
6. lock formula hydraulic system of cutting machine according to claim 1 and 2 is characterized in that: it also comprises another three position four-way electromagnetic valve (70); The P mouth of P mouth of this three position four-way electromagnetic valve (70) and three position four-way electromagnetic valve (60) joins, and the A mouth connects the epicoele that auxiliary shears are cut oil cylinder by a hydraulic control one-way valve (90), and the B mouth connects the cavity of resorption that auxiliary shears are cut oil cylinder by a check valve (110); The B mouth of three position four-way electromagnetic valve (70) also joins with the control mouth of hydraulic control one-way valve (90).
7. lock formula hydraulic system of cutting machine according to claim 3 is characterized in that: it also comprises another three position four-way electromagnetic valve (70); The P mouth of P mouth of this three position four-way electromagnetic valve (70) and three position four-way electromagnetic valve (60) joins, and the A mouth connects the epicoele that auxiliary shears are cut oil cylinder by a hydraulic control one-way valve (90), and the B mouth connects the cavity of resorption that auxiliary shears are cut oil cylinder by a check valve (110); The B mouth of three position four-way electromagnetic valve (70) also joins with the control mouth of hydraulic control one-way valve (90).
8. lock formula hydraulic system of cutting machine according to claim 1 and 2 is characterized in that: the P mouth of three position four-way electromagnetic valve (60) also is connected to fuel tank by two-way plug-in valve (10); One of 2/2-way reversal valve (40) is connected to fuel tank, and the other end is connected to the P mouth of three position four-way electromagnetic valve (60), the control mouth of two-way plug-in valve (10) respectively.
9. lock formula hydraulic system of cutting machine according to claim 8 is characterized in that: except that two-way plug-in valve (10), all the other control valves adopt screw-in cartridge valve.
10. lock formula hydraulic system of cutting machine according to claim 1 and 2 is characterized in that: be connected to the pressure switch (170) of controlling described three position four-way electromagnetic valve (60) at poppet valve (190) to the pipeline of binder oil cylinder epicoele.
CN 200520070939 2005-04-21 2005-04-21 Hydraulic system of brake style plate shearing machine Expired - Lifetime CN2818031Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520070939 CN2818031Y (en) 2005-04-21 2005-04-21 Hydraulic system of brake style plate shearing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520070939 CN2818031Y (en) 2005-04-21 2005-04-21 Hydraulic system of brake style plate shearing machine

Publications (1)

Publication Number Publication Date
CN2818031Y true CN2818031Y (en) 2006-09-20

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261056A (en) * 2011-05-06 2011-11-30 衢州市河川翻板闸门有限公司 Hydraulic control system of flap gate
CN103807239A (en) * 2014-03-12 2014-05-21 南通恒力重工机械有限公司 Dual output shaft motor based shear plate synchronous control hydraulic system
CN103801751A (en) * 2014-03-12 2014-05-21 南通恒力重工机械有限公司 Full-automatic plate shearing machine hydraulic system on basis of PLC control
CN103899586A (en) * 2014-04-23 2014-07-02 南通恒力重工机械有限公司 Ultra-large type plate shearing machine synchronous hydraulic system based on flow distributing and collecting valve
CN104191027A (en) * 2014-08-22 2014-12-10 沃得数控机床(江苏)有限公司 Hydraulic system of plate shearing machine
CN104329312A (en) * 2014-11-04 2015-02-04 鼎斯(上海)液压科技有限公司 Hydraulic control valve assembly of metal shearing machine
CN104564920A (en) * 2014-11-19 2015-04-29 天水锻压机床(集团)有限公司 System for controlling pressure relief and return stroke of plate shearing machine swaging oil cylinder on the basis of electro-hydraulic proportional reversing
CN105156394A (en) * 2015-09-14 2015-12-16 太原科技大学 Novel rolling-cut shear hydraulic system
CN105889166A (en) * 2014-12-18 2016-08-24 无锡锡锻机床有限公司 Series synchronous hydraulic system of numerical control right-angle shearing machine
CN106112090A (en) * 2016-08-31 2016-11-16 江苏高德液压机械有限公司 The hydraulic control system of vertical type shearing machine
CN106270722A (en) * 2016-08-31 2017-01-04 安徽省华夏机床制造有限公司 A kind of control method of lock formula hydraulic system of cutting machine

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261056A (en) * 2011-05-06 2011-11-30 衢州市河川翻板闸门有限公司 Hydraulic control system of flap gate
CN102261056B (en) * 2011-05-06 2013-01-30 衢州市河川翻板闸门有限公司 Hydraulic control system of flap gate
CN103807239A (en) * 2014-03-12 2014-05-21 南通恒力重工机械有限公司 Dual output shaft motor based shear plate synchronous control hydraulic system
CN103801751A (en) * 2014-03-12 2014-05-21 南通恒力重工机械有限公司 Full-automatic plate shearing machine hydraulic system on basis of PLC control
CN103801751B (en) * 2014-03-12 2015-12-16 南通恒力重工机械有限公司 Based on the fully-automatic plate shearing machine hydraulic system that PLC controls
CN103807239B (en) * 2014-03-12 2015-09-16 南通恒力重工机械有限公司 A kind of shear plate synchronous control hydraulic system based on Dual-output shaft motor
CN103899586A (en) * 2014-04-23 2014-07-02 南通恒力重工机械有限公司 Ultra-large type plate shearing machine synchronous hydraulic system based on flow distributing and collecting valve
CN103899586B (en) * 2014-04-23 2016-03-02 南通恒力重工机械有限公司 A kind of super sized type guillotine shear synchronization hydraulic system based on flow divider-combiner
CN104191027B (en) * 2014-08-22 2016-10-12 沃得数控机床(江苏)有限公司 Hydraulic system of cutting machine
CN104191027A (en) * 2014-08-22 2014-12-10 沃得数控机床(江苏)有限公司 Hydraulic system of plate shearing machine
CN104329312A (en) * 2014-11-04 2015-02-04 鼎斯(上海)液压科技有限公司 Hydraulic control valve assembly of metal shearing machine
CN104564920A (en) * 2014-11-19 2015-04-29 天水锻压机床(集团)有限公司 System for controlling pressure relief and return stroke of plate shearing machine swaging oil cylinder on the basis of electro-hydraulic proportional reversing
CN105889166A (en) * 2014-12-18 2016-08-24 无锡锡锻机床有限公司 Series synchronous hydraulic system of numerical control right-angle shearing machine
CN105156394A (en) * 2015-09-14 2015-12-16 太原科技大学 Novel rolling-cut shear hydraulic system
CN106112090A (en) * 2016-08-31 2016-11-16 江苏高德液压机械有限公司 The hydraulic control system of vertical type shearing machine
CN106270722A (en) * 2016-08-31 2017-01-04 安徽省华夏机床制造有限公司 A kind of control method of lock formula hydraulic system of cutting machine
CN106112090B (en) * 2016-08-31 2018-03-27 江苏高德液压机械有限公司 The hydraulic control system of vertical type shearing machine

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Expiration termination date: 20150421

Granted publication date: 20060920