CN100418652C - Compound controlling hydraulic system of blank turnover machine - Google Patents
Compound controlling hydraulic system of blank turnover machine Download PDFInfo
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- CN100418652C CN100418652C CNB2005100429605A CN200510042960A CN100418652C CN 100418652 C CN100418652 C CN 100418652C CN B2005100429605 A CNB2005100429605 A CN B2005100429605A CN 200510042960 A CN200510042960 A CN 200510042960A CN 100418652 C CN100418652 C CN 100418652C
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Abstract
The present invention relates to a hydraulic system apparatus, particularly to a compound control hydraulic system of a blank overturning machine. One pressure oil end of each of four actuating cylinders which are connected with a left arm is respectively connected to a speed regulating device, an input control end of the speed regulating device is connected with an output end of a first balance valve which is controlled by a left arm oil circuit, an input end of a first balance valve is connected to an end (A) of a proportional electromagnetic directional valve which is controlled by the left arm oil circuit, an end (B) of the proportional electromagnetic directional valve is connected with an end (A) of a second balance valve which is controlled by the left arm oil circuit, an end (B) of the second balance valve is connected to an oil return end of each actuating cylinder controlled by the left arm oil circuit, an overflow valve is arranged between an oil return port and the pressure oil end of each actuating cylinder controlled by the left arm oil circuit, and the left arm is connected with a right arm. With the compound control hydraulic system, a blank overturning machine can carry out blank overturning and reversing stably without impact, the synchronism of blank overturning is good, the synchronizing precision is adjustable, the service life of equipment is long, and the operation cost is low.
Description
Technical field
The present invention relates to a kind of hydraulic system equipment, particularly compound controlling hydraulic system of blank turnover machine.
Background technology
The existing base machine control hydraulic system equipment that turns over has two kinds: a kind of is to adopt solenoid directional control valve and logical valve respectively to turn over the control of base arm travel direction to turning over the base machine, flow speed control valve respectively turns over the base arm and carries out Synchronization Control turning over the base machine, this base machine control hydraulic system reversing impact that turns over is big, the easy explosion of pipeline, system reliability is poor.Second kind is to adopt hydraulic synchronous motor respectively to turn over the base arm and carry out Synchronization Control turning over the base machine, this mode is in operating condition because of the syncmotor of when work costliness always, and its inner each parts wear and tear mutually, and net synchronization capability can not be adjusted, service life is low, the operating cost height.
Summary of the invention
The purpose of this invention is to provide a kind of compound controlling hydraulic system of blank turnover machine, turn over the base facility and turn over base commutation and do not have steadily that to impact, turn over the base net synchronization capability good and synchronization accuracy can be adjusted, service life of equipment is long, operating cost is low so that make.
Technical scheme of the present invention is: the design compound controlling hydraulic system of blank turnover machine, and it comprises that 4 are turned over base machine left arm, turn over 4 driving oil cylinders that base machine left arm is connected with 4; 4 are turned over base machine right arm, turn over 4 driving oil cylinders that base machine right arm is connected with 4, it is characterized in that: the pressure oil end that 4 each that drive in the oil cylinder that left arm connects in above-mentioned drive oil cylinder is connected with arrangements for speed regulation respectively, the input control end of arrangements for speed regulation is connected with the first balanced valve output of left arm oil circuit control, and the first balanced valve input is connected with the A end of the ratio solenoid directional control valve of left arm oil circuit control; The B end of ratio solenoid directional control valve is connected with the second balanced valve A end of left arm oil circuit control, and second balanced valve B end is connected with the oil revolving end of the driving oil cylinder of left arm oil circuit control; Between the driving oil cylinder working-pressure oil end of left arm oil circuit control and the oil return hydraulic fluid port overflow valve is arranged; The pressure oil end that 4 each that drive in the oil cylinder that right arm connects in above-mentioned drive oil cylinder is connected with arrangements for speed regulation respectively, the input control end of arrangements for speed regulation is connected with the first balanced valve output of right arm oil circuit control, and the first balanced valve input is connected with the A end of the ratio solenoid directional control valve of right arm oil circuit control; The B end of ratio solenoid directional control valve is connected with the second balanced valve A end of right arm oil circuit control, and second balanced valve B end is connected with the oil revolving end of the driving oil cylinder of right arm oil circuit control; Between the driving oil cylinder working-pressure oil end of right arm oil circuit control and the oil return hydraulic fluid port overflow valve is arranged.
Described driving oil cylinder working-pressure oil end has pressure measuring tie-in.
Described arrangements for speed regulation are to be connected and composed by flow speed control valve cowling panel and flow speed control valve.
Characteristics of the present invention are: turn over base machine left arm and right arm and be made of several independent hydraulic cylinders and pivoted arm etc. respectively.This system equipment adopts the ratio solenoid directional control valve respectively to turn over base arm travel direction and speed control to turning over the base machine, and balanced valve carries out balance to the steel billet weight of being turned over, and flow speed control valve respectively turns over the Synchronization Control of base arm.This system equipment is that the proportion of utilization solenoid directional control valve can steadily commutate and stepless speed regulation by the performance curve of setting, flow speed control valve adjusting speed accuracy height and net synchronization capability can be adjusted, price is low and the life-span is long, but the balanced valve balance is turned over characteristics such as steel billet weight and the speed that prevents is out of control, makes to turn over the base facility and turn over the base commutation and steadily do not have and impact, turn over the good and characteristics such as synchronization accuracy can be adjusted, service life of equipment is long, operating cost is low of base net synchronization capability.
Description of drawings
The present invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1-Fig. 4 is the base process of the turning over sketch that turns over the base machine.
Fig. 5 is the schematic diagram of compound controlling hydraulic system of blank turnover machine.
Fig. 6 is oil cylinder speed-time curve and oil cylinder stroke-time plot.
Among the figure: 1, left arm; 2, left arm drives oil cylinder; 3, right arm; 4, right arm drives oil cylinder; 5, steel billet; 1-1, solenoid directional control valve; 2-1, balanced valve; 2-2, balanced valve; 3-1, flow speed control valve; 3-2, flow speed control valve; 3-3, flow speed control valve; The 3-4 flow speed control valve; 4-1, flow speed control valve cowling panel; 4-2, flow speed control valve cowling panel; 4-3, flow speed control valve cowling panel; 4-4, flow speed control valve cowling panel; 5-1, overflow valve; 5-2, overflow valve; 5-3, overflow valve; 5-4, overflow valve; 6, check valve; 7, stop valve; 8, check valve; M1, pressure measuring tie-in; M2, pressure measuring tie-in; M3, pressure measuring tie-in; M4, pressure measuring tie-in; M5, pressure measuring tie-in; M6, pressure measuring tie-in;
The specific embodiment
Embodiment as shown in Figure 5,44 of turning over that base machine left arm L connects respectively turn over base machine left arm and drive the pressure oil ends that in the oil cylinder 2 each drive oil cylinders and be connected with arrangements for speed regulation respectively, arrangements for speed regulation are to constitute bridge architecture with flow speed control valve 3-1～3-4 respectively by flow speed control valve cowling panel 4-1～4-4 to cooperate and 4 hydraulic cylinder piston rods are stretched out and return, and 4 hydraulic cylinder piston rods stretch out and return synchronously and control by flow speed control valve 3-1～3-4; Is connected with the first balanced valve 2-1 output of left arm L oil circuit control with the input control end that flow speed control valve 3-1～3-4 constitutes arrangements for speed regulation respectively by flow speed control valve cowling panel 4-1～4-4, the A of the ratio solenoid directional control valve 1-1 that 2-1 balanced valve input and left arm oil circuit are controlled holds and is connected; The B end of ratio solenoid directional control valve 1-1 is connected with the second balanced valve 2-2A end of left arm oil circuit control, and second balanced valve 2-2B end is connected with the oil revolving end of the driving oil cylinder of left arm oil circuit control; Each of left arm oil circuit control drives between oil cylinder working-pressure oil end and the oil return hydraulic fluid port overflow valve 5-1～5-4; 4 right arms 3 connect 4 right arms driving oil cylinders 4 respectively in above-mentioned, the pressure oil end that it each drives oil cylinder also is connected with arrangements for speed regulation respectively, is connected with the first balanced valve 2-1 output of right arm 3 oil circuits control with the input control end that flow speed control valve 3-1～3-4 constitutes arrangements for speed regulation respectively by flow speed control valve cowling panel 4-1～4-4, the A of the ratio solenoid directional control valve 1-1 that 2-1 balanced valve input and right arm oil circuit are controlled holds and is connected; The B end of ratio solenoid directional control valve 1-1 is connected with the second balanced valve 2-2A end of right arm oil circuit control, and second balanced valve 2-2B end is connected with the oil revolving end of the driving oil cylinder of right arm oil circuit control; Each of right arm oil circuit control drives between oil cylinder working-pressure oil end and the oil return hydraulic fluid port overflow valve 5-1～5-4, and driving oil cylinder working-pressure oil end has pressure measuring tie-in.
As shown in Figure 6, v-t is the oil cylinder speed-time curve, s-t is oil cylinder stroke-time graph, the principle of this system is: according to left arm and right arm position detection signal, the oil cylinder speed-time curve of setting separately according to left arm and right arm by the ratio solenoid directional control valve 1-1 of left arm and right arm, the given solenoid directional control valve of ratio separately 1-1 goes up the control signal of proportion electro-magnet, driving separately, the ratio solenoid directional control valve steadily commutates and stepless speed regulation, make left arm start reposefully, move, stop or commutating, and the average movement velocity of 4 hydraulic cylinders of control left arm; Balanced valve 2-1,2-2 energy balance is turned over the weight of the steel billet that turns in the base process, and it is out of control to avoid turning over base speed; Flow speed control valve 3-1 ~ 3-4 adjusts the movement velocity of 4 hydraulic cylinders respectively, makes 4 hydraulic cylinder synchronized movement; Flow speed control valve cowling panel 4-1 ~ 4-4 cooperates with flow speed control valve 3-1 ~ 3-4 respectively to be stretched out 4 hydraulic cylinder piston rods and returns all can controlling by flow speed control valve 3-1 ~ 3-4 synchronously of both direction; Overflow valve 5-1 ~ 5-4 is in steel billet handling placement and turn over overflow when producing hydraulic shock in the base process, and check valve 6 carries out repairing to the oil cylinder piston chamber when the overflow valve overflow simultaneously, and they play the safeguard protection effect to equipment; M1-M6 is a pressure measuring tie-in, can measure the pressure of corresponding oil circuit point easily; Cut off the forced feed that turns over base machine hydraulic test when stop valve 7 is used to keep in repair, check valve 8 is used to turn over the oil return isolation of base machine hydraulic test and other hydraulic tests.Because principle and each Hydraulic Elements of construction system of above-mentioned compound controlling hydraulic system of blank turnover machine equipment, the base facility that turn over of this composite control hydraulic system control turn over the base commutation and steadily do not have and impact, turn over the good and advantage such as synchronization accuracy can be adjusted, service life of equipment is long, operating cost is low of base net synchronization capability.
The crane that Fig. 1 and Fig. 4 provide is placed on steel billet the step on the left arm 1 that turns over the base machine, and Fig. 1 is the first step, and the workshop crane is placed on steel billet on the left arm 1 that turns over the base machine; Fig. 2 was second step, and the left arm 1 (band steel billet) and the right arm 3 that turn over the base machine all lift, and paused a little after lifting to, to guarantee left arm 1 and right arm 3 reliable clamping steel billets mutually; Fig. 3 was the 3rd step, and left arm 1 and right arm 3 clamping steel billets 5 are simultaneously to the upset of right arm 3 directions, and when being turned to as shown in Figure 3 the position, left arm 1 begins to return, and right arm 3 is being with steel billet 5 to continue upset; Fig. 4 was the 4th step, and the base that turns over of steel billet 5 is finished when left arm 1 and right arm 3 arrive position as shown in Figure 4, and the steel billet that the workshop crane will overturn is hung oneself away from the right arm that turns over the base machine, and can begin the upset work of next piece steel billet 5.Left arm 1 and right arm 3 all have position detecting element to send position signalling in above-mentioned 4 positions, to control turning over the base machine by compound controlling hydraulic system of blank turnover machine equipment.
As mentioned above, one is turned over the base machine is that steel billet is turned over to right arm 3 from left arm 1 through said process, realizes the upset of steel billet 5.
Claims (3)
1. compound controlling hydraulic system of blank turnover machine, it comprises that 4 are turned over base machine left arm, turn over 4 that base machine left arm is connected and drive oil cylinders with 4; 4 are turned over base machine right arm, turn over 4 that base machine right arm is connected and drive oil cylinders with 4, it is characterized in that; The pressure oil end that above-mentioned 4 of being connected with left arm drive each the driving oil cylinder in the oil cylinder is connected with arrangements for speed regulation respectively, the input control end of arrangements for speed regulation is connected with the first balanced valve output of left arm oil circuit control, and the first balanced valve input is connected with the A end of the ratio solenoid directional control valve of left arm oil circuit control; The B end of ratio solenoid directional control valve is connected with the second balanced valve A end of left arm oil circuit control, and second balanced valve B end is connected with the oil revolving end of the driving oil cylinder of left arm oil circuit control; Between the driving oil cylinder working-pressure oil end of left arm oil circuit control and the oil return hydraulic fluid port overflow valve is arranged; The pressure oil end that above-mentioned 4 of being connected with right arm drive each the driving oil cylinder in the oil cylinder is connected with arrangements for speed regulation respectively, the input control end of arrangements for speed regulation is connected with the first balanced valve output of right arm oil circuit control, and the first balanced valve input is connected with the A end of the ratio solenoid directional control valve of right arm oil circuit control; The B end of ratio solenoid directional control valve is connected with the second balanced valve A end of right arm oil circuit control, and second balanced valve B end is connected with the oil revolving end of the driving oil cylinder of right arm oil circuit control; Between the driving oil cylinder working-pressure oil end of right arm oil circuit control and the oil return hydraulic fluid port overflow valve is arranged.
2. compound controlling hydraulic system of blank turnover machine according to claim 1 is characterized in that: described driving oil cylinder working-pressure oil end has pressure measuring tie-in.
3. compound controlling hydraulic system of blank turnover machine according to claim 1 is characterized in that: described arrangements for speed regulation are to be connected and composed by flow speed control valve cowling panel and flow speed control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100429605A CN100418652C (en) | 2005-07-28 | 2005-07-28 | Compound controlling hydraulic system of blank turnover machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100429605A CN100418652C (en) | 2005-07-28 | 2005-07-28 | Compound controlling hydraulic system of blank turnover machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1718303A CN1718303A (en) | 2006-01-11 |
| CN100418652C true CN100418652C (en) | 2008-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100429605A Expired - Fee Related CN100418652C (en) | 2005-07-28 | 2005-07-28 | Compound controlling hydraulic system of blank turnover machine |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633006B (en) * | 2009-05-27 | 2011-05-18 | 莱芜钢铁股份有限公司 | Stokehole hot billet turnover machine working method |
| CN102172645B (en) * | 2010-12-28 | 2012-12-26 | 中冶南方(武汉)威仕工业炉有限公司 | Buckling-clamping type billet turnover machine |
| CN103527539A (en) * | 2013-09-16 | 2014-01-22 | 洛阳中重自动化工程有限责任公司 | Synchronizing and pressure balancing hydraulic control circuit for multiple oil cylinders |
| CN105605017A (en) * | 2015-11-25 | 2016-05-25 | 上海电气液压气动有限公司 | High-precision synchronous control oil cylinder valve block device |
| CN110296112B (en) | 2018-03-23 | 2020-06-02 | 江苏金风科技有限公司 | Barring hydraulic driving system and driving method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0327823A (en) * | 1989-06-22 | 1991-02-06 | Murata Mach Ltd | Positioning method for plate material |
| US5299626A (en) * | 1992-03-12 | 1994-04-05 | Toshiba Kikai Kabushiki Kaisha | Method of and apparatus for injection speed control in die-casting machine |
| CN2229302Y (en) * | 1995-06-09 | 1996-06-19 | 湖南飞蝶超硬材料机械总厂 | Hydraulic apparatus for hydraulic press for ultra-hard material |
| CN2838906Y (en) * | 2005-07-28 | 2006-11-22 | 西安重型机械研究所 | Composite control hydraulic device for blanking machine |
-
2005
- 2005-07-28 CN CNB2005100429605A patent/CN100418652C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0327823A (en) * | 1989-06-22 | 1991-02-06 | Murata Mach Ltd | Positioning method for plate material |
| US5299626A (en) * | 1992-03-12 | 1994-04-05 | Toshiba Kikai Kabushiki Kaisha | Method of and apparatus for injection speed control in die-casting machine |
| CN2229302Y (en) * | 1995-06-09 | 1996-06-19 | 湖南飞蝶超硬材料机械总厂 | Hydraulic apparatus for hydraulic press for ultra-hard material |
| CN2838906Y (en) * | 2005-07-28 | 2006-11-22 | 西安重型机械研究所 | Composite control hydraulic device for blanking machine |
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| CN1718303A (en) | 2006-01-11 |
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Owner name: CHINA NATIONAL HEAVY MACHINERY RESEARCH INSTITUTE Free format text: FORMER OWNER: XI-AN HEAVY MACHINERY INST. Effective date: 20141114 |
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Free format text: CORRECT: ADDRESS; FROM: 710000 XI AN, SHAANXI PROVINCE TO: 710032 XI AN, SHAANXI PROVINCE |
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Effective date of registration: 20141114 Address after: 710032 Shaanxi province Xi'an Weiyang Dongyuan Road No. 209 Patentee after: China National Heavy Machinery Research Institute Co., Ltd. Address before: 710000 Shaanxi city in Xi'an province Xin Jiamiao Xi'an Heavy Machinery Research Institute Patentee before: Xi-an Heavy Machinery Inst. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20150728 |
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