CN103448294B - Hydraulic press dead slow speed servo fine positioning hydraulic controls system - Google Patents
Hydraulic press dead slow speed servo fine positioning hydraulic controls system Download PDFInfo
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- CN103448294B CN103448294B CN201310404531.2A CN201310404531A CN103448294B CN 103448294 B CN103448294 B CN 103448294B CN 201310404531 A CN201310404531 A CN 201310404531A CN 103448294 B CN103448294 B CN 103448294B
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Abstract
The present invention relates to a kind of hydraulic press dead slow speed servo fine positioning hydraulic and control system, backhaul oil pipe is connected with pilot valve B mouth oil circuit by flange screw oil pipe, pilot valve B mouth oil circuit is connected with zero leakage ball valve by flange screw oil pipe, zero leakage ball valve B mouth with pilot valve in valve body communicates, the P mouth of pilot valve communicates with the outlet of unidirectional unloading electromagnetic valve in valve body, and the import of unidirectional unloading electromagnetic valve is connected with dead slow speed systems pumps group by flange screw oil pipe; Master cylinder epicoele oil pipe is connected with side cylinder A, piston cylinder, side cylinder B and pilot valve A mouth oil circuit respectively by screw flange, is connected with deadweight fast-descending valve by flange screw oil pipe simultaneously. Present configuration is simple, it is possible to make slide block realize the descending precision servo positioning function of dead slow speed, and positioning precision improves more than 10 times, it is achieved thereby that dead slow speed servo is accurately positioned, the compacting of the accurate product of lasting accuracy produces.
Description
Technical field
The invention belongs to hydraulic control system technical field, particularly relate to a kind of hydraulic press dead slow speed servo fine positioning hydraulic and control system.
Background technology
In aerospace article pressing process, significantly high for the required precision after product final molding, namely require that slide block is accurately positioned stopping, completing small lot, in high precision, the compacting work of the accurate plastic forming product of near net.
During employing conventional design, hydraulic principle schematic diagram is shown in shown in accompanying drawing 1 at present, side cylinder A, piston cylinder and side cylinder B are installed on the upper beam of fuselage ring by flange screw, additionally it is connected with slide block also by flange screw, replenishing valve A, replenishing valve B and replenishing valve C by screw respectively with side cylinder A, piston cylinder, side cylinder B and topping up case are installed and are connected, master cylinder epicoele oil pipe by screw flange respectively with side cylinder A, piston cylinder, side cylinder B and deadweight fast-descending valve connect, deadweight fast-descending valve is connected with pump discharge control valve block by screw flange oil pipe, pump discharge control valve block is connected with main system pump group by flange screw oil pipe, below slide block, above with screw, mould is installed with workbench, workbench is arranged on the underbeam of fuselage ring by screw.
Replenishing valve A, replenishing valve B and replenishing valve C are connected with auxiliary valve group by replenishing valve control oil pipe, and auxiliary valve group is connected with donkey pump group by screw flange oil cylinder.
Backhaul oil pipe is connected with deadweight fast-descending valve by flange screw oil pipe, completes backhaul function and the slide block down oil extraction general control function of slide block.
Therefore, above-mentioned hydraulic system can not meet the pinpoint requirement of dead slow speed servo, thus it cannot be guaranteed that the precision of the accurate plastic forming size of the near net of product.
Summary of the invention
The present invention solves that the technical problem existed in known technology provides a kind of hydraulic press dead slow speed servo fine positioning hydraulic control system that disclosure satisfy that dead slow speed servo is accurately positioned requirement.
The present invention solves that the technical problem existed in known technology is adopted the technical scheme that:
A kind of hydraulic press dead slow speed servo fine positioning hydraulic controls system, including topping up case, replenishing valve A, side cylinder A, replenishing valve B, piston cylinder, backhaul oil pipe, replenishing valve C, master cylinder epicoele oil pipe, side cylinder B, replenishing valve oil circuit control, pilot valve A mouth oil circuit, deadweight fast-descending valve, pump discharge control valve block, slide block, mould, main system pump group, sheet material, fuselage ring, pilot valve B mouth oil circuit, auxiliary valve group, aid system pump group and workbench, described side cylinder A, piston cylinder and side cylinder B are connected on the upper beam of fuselage ring by flange screw, and be connected with slide block by flange screw,Described replenishing valve A, replenishing valve B and replenishing valve C are connected with side cylinder A, piston cylinder, side cylinder B and topping up case respectively by screw, described replenishing valve A, replenishing valve B and replenishing valve C are connected with auxiliary valve group by replenishing valve oil circuit control, described auxiliary valve group is connected with aid system pump group by screw flange oil cylinder
Described backhaul oil pipe is connected with pilot valve B mouth oil circuit by flange screw oil pipe, described pilot valve B mouth oil circuit is connected with zero leakage ball valve by flange screw oil pipe, described zero leakage ball valve B mouth with pilot valve in valve body communicates, the P mouth of described pilot valve communicates with the outlet of unidirectional unloading electromagnetic valve in valve body, and the import of described unidirectional unloading electromagnetic valve is connected with dead slow speed systems pumps group by flange screw oil pipe;
Described master cylinder epicoele oil pipe is connected with side cylinder A, piston cylinder, side cylinder B and pilot valve A mouth oil circuit respectively by screw flange, it is connected with deadweight fast-descending valve by flange screw oil pipe simultaneously, described deadweight fast-descending valve is connected with pump discharge control valve block by screw flange oil pipe, described pump discharge control valve block is connected with main system pump group by flange screw oil pipe, being provided with mould with workbench above with screw below slide block, described workbench is arranged on the underbeam of fuselage ring by screw.
The present invention has the advantage that and has the benefit effect that present configuration is simple, owing to have employed zero leakage ball valve, pilot valve, unidirectional unloading electromagnetic valve and dead slow speed systems pumps set control system, slide block can be made to realize the descending precision servo positioning function of dead slow speed, positioning precision improves more than 10 times, it is achieved thereby that the accurate product compacting that dead slow speed servo is accurately positioned, lasting accuracy produces produces.
Accompanying drawing explanation
Fig. 1 is hydraulic press location hydraulic control system figure before improving;
Fig. 2 is hydraulic control system figure of the present invention.
In Fig. 1 and Fig. 2, 1. topping up case, 2. replenishing valve A, 3. side cylinder A, 4. replenishing valve B, 5. piston cylinder, 6. backhaul oil pipe, 7. replenishing valve C, 8. master cylinder epicoele oil pipe, 9. side cylinder B, 10. replenishing valve oil circuit control, 11. pilot valve A mouth oil circuit, 12. deadweight fast-descending valve, 13. pump discharge control valve block, 14. slide block, 15. mould, 16. main system pump group, 17. sheet material, 18. fuselage ring, 19. pilot valve B mouth oil circuit, 20. auxiliary valve group, 21. aid system pump group, 22. workbench, 23. zero leakage ball valve, 24. pilot valve, 25. unidirectional unloading electromagnetic valve, 26. dead slow speed systems pumps group.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and it be as follows to coordinate accompanying drawing to describe in detail:
Refer to Fig. 1, a kind of high speed hydraulic press fine positioning hydraulic controls system, including topping up case 1, replenishing valve A2, side cylinder A3, replenishing valve B4, piston cylinder 5, backhaul oil pipe 6, replenishing valve C7, master cylinder epicoele oil pipe 8, side cylinder B9, replenishing valve oil circuit control 10, deadweight fast-descending valve 12, pump discharge control valve block 13, slide block 14, mould 15, main system pump group 16, sheet material 17, fuselage ring 18, auxiliary valve group 20, aid system pump group 21, workbench 22, side cylinder A3, piston cylinder 5 and side cylinder B9 are installed on the upper beam of fuselage ring 18 by flange screw, and be connected with slide block 14 by flange screw, replenishing valve A2, replenishing valve B4 and replenishing valve C7 by screw respectively with side cylinder A3, piston cylinder 5, side cylinder B9 and topping up case 1 are installed and are connected, master cylinder epicoele oil pipe 8 by screw flange respectively with side cylinder A3, piston cylinder 5, side cylinder B9 and pilot valve A mouth oil circuit 11 connect, it is connected with deadweight fast-descending valve 12 by flange screw oil pipe simultaneously, deadweight fast-descending valve 12 is connected with pump discharge control valve block 13 by screw flange oil pipe, pump discharge control valve block 13 is connected with main system pump group 16 by flange screw oil pipe, below slide block 14, above with screw, mould 15 is installed with workbench 22, workbench 22 is arranged on the underbeam of fuselage ring 18 by screw.
Replenishing valve A2, replenishing valve B4 and replenishing valve C7 are connected with auxiliary valve group 20 by replenishing valve oil circuit control 10, and auxiliary valve group 20 is connected with aid system pump group 21 by screw flange oil cylinder.
Backhaul oil pipe 6 is connected with pilot valve B mouth oil circuit 19 by flange screw oil pipe, pilot valve B mouth oil circuit 19 is connected with zero leakage ball valve 23 by flange screw oil pipe, zero leakage ball valve 23 B mouth with pilot valve 24 in valve body communicates, the P mouth of pilot valve 24 communicates with the outlet of unidirectional unloading electromagnetic valve 25 in valve body, the import of unidirectional unloading electromagnetic valve 25 is connected with dead slow speed systems pumps group 26 by flange screw oil pipe, when unidirectional unloading electromagnetic valve 25 and pilot valve 24 energized action, the dead slow speed completing slide block 14 is descending, reach accurate positioning function and the descending oil extraction of slide block dead slow speed accurately controls function.
Present configuration is simple, system is controlled owing to have employed zero leakage ball valve 23, pilot valve 24, unidirectional unloading electromagnetic valve 25 and dead slow speed systems pumps group 26, slide block 14 can be made to realize the descending precision servo positioning function of dead slow speed, positioning precision improves more than 10 times, it is achieved thereby that the accurate product compacting that dead slow speed servo is accurately positioned, lasting accuracy produces produces.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, the change made in the essential scope of the present invention of those skilled in the art, remodeling, interpolation or replacement, falls within protection scope of the present invention.
Claims (1)
1. a hydraulic press dead slow speed servo fine positioning hydraulic controls system, including topping up case (1), replenishing valve A (2), side cylinder A (3), replenishing valve B (4), piston cylinder (5), backhaul oil pipe (6), replenishing valve C (7), master cylinder epicoele oil pipe (8), side cylinder B (9), replenishing valve oil circuit control (10), pilot valve A mouth oil circuit (11), deadweight fast-descending valve (12), pump discharge control valve block (13), slide block (14), mould (15), main system pump group (16), sheet material (17), fuselage ring (18), pilot valve B mouth oil circuit (19), auxiliary valve group (20), aid system pump group (21) and workbench (22), described side cylinder A (3), piston cylinder (5) and side cylinder B (9) are connected on the upper beam of fuselage ring (18) by flange screw, and be connected with slide block (14) by flange screw, described replenishing valve A (2), replenishing valve B (4) and replenishing valve C (7) are connected with side cylinder A (3), piston cylinder (5), side cylinder B (9) and topping up case (1) respectively by screw, described replenishing valve A (2), replenishing valve B (4) and replenishing valve C (7) are connected with auxiliary valve group (20) by replenishing valve oil circuit control (10), described auxiliary valve group (20) is connected with aid system pump group (21) by screw flange oil cylinder, it is characterized in that
Described backhaul oil pipe (6) is connected with pilot valve B mouth oil circuit (19) by flange screw oil pipe, described pilot valve B mouth oil circuit (19) is connected with zero leakage ball valve (23) by flange screw oil pipe, described zero leakage ball valve (23) communicates with the B mouth of pilot valve (24) in valve body, the P mouth of described pilot valve (24) communicates with the outlet of unidirectional unloading electromagnetic valve (25) in valve body, and the import of described unidirectional unloading electromagnetic valve (25) is connected with dead slow speed systems pumps group (26) by flange screw oil pipe;
Described master cylinder epicoele oil pipe (8) by screw flange respectively with side cylinder A (3), piston cylinder (5), side cylinder B (9) and pilot valve A mouth oil circuit (11) connect, it is connected with deadweight fast-descending valve (12) by flange screw oil pipe simultaneously, described deadweight fast-descending valve (12) is connected with pump discharge control valve block (13) by flange screw oil pipe, described pump discharge control valve block (13) is connected with main system pump group (16) by flange screw oil pipe, above with screw, mould (15) is installed with workbench (22) below at slide block (14), described workbench (22) is arranged on the underbeam of fuselage ring (18) by screw.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310404531.2A CN103448294B (en) | 2013-09-06 | 2013-09-06 | Hydraulic press dead slow speed servo fine positioning hydraulic controls system |
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| CN201310404531.2A CN103448294B (en) | 2013-09-06 | 2013-09-06 | Hydraulic press dead slow speed servo fine positioning hydraulic controls system |
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| CN103448294A CN103448294A (en) | 2013-12-18 |
| CN103448294B true CN103448294B (en) | 2016-06-08 |
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| CN108687283B (en) * | 2018-03-30 | 2024-04-12 | 天津市天锻压力机有限公司 | Electrohydraulic control system of hot extrusion forming hydraulic machine and process forming method |
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| CN2146359Y (en) * | 1992-09-28 | 1993-11-17 | 机械电子工业部北京机电研究所 | Superplastic forming hydraulic press |
| JP3609127B2 (en) * | 1994-10-25 | 2005-01-12 | 日清紡績株式会社 | Hydraulic circuit for ram drive of hydraulic press |
| CN100486799C (en) * | 2006-08-31 | 2009-05-13 | 天津市天锻压力机有限公司 | Energy-saving thin plate hydraulic drawing press |
| CN101144491B (en) * | 2007-10-31 | 2011-09-07 | 三一重工股份有限公司 | Hydraulic pressure driving mechanism speed control device |
| JP5058096B2 (en) * | 2008-08-08 | 2012-10-24 | Ｋｙｂ−Ｙｓ株式会社 | Actuator high / low speed controller |
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Effective date of registration: 20170323 Address after: 300300 Tianjin Binhai New Area Airport Economic Zone Navigation Road No. 180 A209 Patentee after: Tianjin forging Aviation Technology Co., Ltd. Address before: 300402 Tianjin city Beichen District small lake town Jin Wei Road East Patentee before: Tianduan Press Co., Ltd., Tianjin City |
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