CN203044619U - Press machine hydraulic cushion driven by energy accumulators - Google Patents
Press machine hydraulic cushion driven by energy accumulators Download PDFInfo
- Publication number
- CN203044619U CN203044619U CN2012206898857U CN201220689885U CN203044619U CN 203044619 U CN203044619 U CN 203044619U CN 2012206898857 U CN2012206898857 U CN 2012206898857U CN 201220689885 U CN201220689885 U CN 201220689885U CN 203044619 U CN203044619 U CN 203044619U
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- CN
- China
- Prior art keywords
- valve
- accumulator
- inserted valve
- combination block
- energy accumulators
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/163—Control arrangements for fluid-driven presses for accumulator-driven presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/02—Die-cushions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
- B21D24/14—Devices controlling or operating blank holders independently, or in conjunction with dies pneumatically or hydraulically
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a press machine hydraulic cushion driven by energy accumulators. The press machine hydraulic cushion driven by the energy accumulators comprises a hydraulic pump set, a first one-way valve, a system overflow valve, a connecting oil tube, a plurality of energy accumulators, a pressure relay and a cartridge valve assembly block. An output end of the hydraulic pump set is connected with the system overflow valve through the first one-way valve. The cartridge valve assembly block comprises a two-position four-way electromagnetic reversing valve, a first cartridge valve, a second cartridge valve, a shuttle valve, a pressure control overflow valve and a safety overflow valve. A through end of the first one-way valve is respectively connected with ports of the plurality of energy accumulators in parallel through the connecting oil tube and stop valves corresponding to the energy accumulators. Ports of the stop valves corresponding to the energy accumulators are respectively connected with the pressure relay and a first end of the cartridge valve assembly block. Due to the fact that the hydraulic pump set is replaced by the plurality of energy accumulators with enough volume and oil pressure to provide oil for a plunger type cylinder of the hydraulic cushion, an existing press machine hydraulic cushion structure does not need to be changed, and only a hydraulic circuit is correspondingly improved, energy consumption of a press machine is reduced and cost of use of the press machine is greatly saved.
Description
Technical field
The utility model relates to a kind of forcing press hydraulic die cushion device, and especially a kind of fluid pressure drive device of forcing press hydraulic die cushion belongs to the plastic forming equipment technical field.
Background technology
When punching machine is used for deep stretching process, provide pressure-pad-force by hydraulic die cushion, can prevent that just tensioning member is wrinkling or pull open.Existing forcing press hydraulic die cushion passes through flow control valves such as pressure regulator valve, sequence valve equal pressure control valve and choke valve according to technological parameters such as the pressure of adjusting, times, under the control of electric-control system, by the plunger case fuel feeding of hydraulic pump group to the hydraulic die cushion downside, the hydraulic pressure pad on it is ejected.The hydraulic circuit of this structure needs the hydraulic pump group to work without cessation, and the motor of hydraulic pump group needs running continuously, and energy consumption is bigger.
Summary of the invention
The purpose of this utility model provide a kind of compact conformation, use cost low, replace the hydraulic pump group to realize the energy saver of hydraulic die cushion jack-up with accumulator, reduce energy resource consumption.
The utility model is achieved by the following technical programs:
The forcing press hydraulic die cushion that a kind of accumulator drives, comprise hydraulic pump group, first check valve, system's overflow valve, connect oil pipe, several accumulators, pressure switch and inserted valve combination block, hydraulic pump group output links to each other with the system overflow valve by connecting oil pipe, first check valve.Described inserted valve combination block comprises two four-way electromagnetic reversing valves, first inserted valve, second inserted valve, shuttle valve, pressure control overflow valve and safety overflow valve, the go side of first check valve is in parallel with several accumulator ports respectively by the stop valve that connects oil pipe, accumulator correspondence, and the stop valve port of accumulator correspondence also links to each other with pressure switch, inserted valve combination block first end respectively.Described inserted valve combination block first end links to each other with two four-way electromagnetic reversing valve oil inlet ends, first inserted valve, first end respectively, two logical fuel tanks of four-way electromagnetic reversing valve oil outlet end, two four-way electromagnetic reversing valve first outputs link to each other with shuttle valve first end, shuttle valve second end leads to first inserted valve, second end, leads to hydraulic die cushion plunger case port by inserted valve combination block second end after shuttle valve the 3rd end links to each other with first inserted valve the 3rd end, second inserted valve, first end respectively.Second inserted valve, second end links to each other with the input of pressure control overflow valve and safety overflow valve respectively, pressure control overflow valve output by second check valve and second inserted valve the 3rd end link to each other back inserted valve combination block the 3rd end respectively the stop valve port corresponding with accumulator communicate, the safety overflow valve output by the 3rd check valve, inserted valve combination block the 4th end respectively the stop valve port corresponding with accumulator communicate.
The purpose of this utility model can also further realize by following technical measures.
The forcing press hydraulic die cushion that aforesaid accumulator drives, wherein said second inserted valve, first end links to each other by choke valve with second inserted valve, second end.
The utility model with the enough accumulator replacement liquid press pump group of several volumes to hydraulic die cushion plunger case fuel feeding, do not need to change existing forcing press hydraulic die cushion structure, only hydraulic circuit is improved accordingly, reduced the energy resource consumption of forcing press, saved the use cost of forcing press greatly.
Advantage of the present utility model and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is hydraulic schematic diagram of the present utility model;
Fig. 2 is the I portion enlarged drawing of Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, the utility model comprises hydraulic pump group 1, first check valve 2, system's overflow valve 3, connects oil pipe 4, two accumulators 5, pressure switch 6 and inserted valve combination block 7, and hydraulic pump group 1 output links to each other with system overflow valve 3 by connecting oil pipe 4, first check valve 2.Inserted valve combination block 7 comprises two four-way electromagnetic reversing valves 71, first inserted valve 72, second inserted valve 73, shuttle valve 74, pressure control overflow valve 75 and safety overflow valve 76, the go side of first check valve 2 is in parallel with several accumulator 5 ports respectively by the stop valve 51 that connects oil pipe 4, accumulator 5 correspondences, and stop valve 51 ports of accumulator 5 correspondences also link to each other with pressure switch 6, inserted valve combination block first end 701 respectively.Inserted valve combination block first end 701 links to each other with two four-way electromagnetic reversing valve oil inlet ends 711, first inserted valve, first end 721 respectively, the oil outlet end of two four-way electromagnetic reversing valves 71 leads to fuel tank 8, two four-way electromagnetic reversing valve first outputs 712 link to each other with shuttle valve first end 741, shuttle valve second end 742 logical first inserted valve, second ends 722 lead to hydraulic die cushion plunger case port by inserted valve combination block second end 702 after shuttle valve the 3rd end 743 links to each other with first inserted valve the 3rd end 723, second inserted valve, first end 731 respectively; Second inserted valve, second end 732 links to each other with the input of pressure control overflow valve 75 and safety overflow valve 76 respectively, pressure control overflow valve output 751 by second check valve 77 link to each other with second inserted valve the 3rd end 733 by inserted valve combination block the 3rd end 703 respectively stop valve 51 ports corresponding with accumulator communicate, safety overflow valve output 761 by the 3rd check valve 78, inserted valve combination block the 4th end 704 respectively stop valve 51 ports corresponding with accumulator communicate.Second inserted valve, first end 731 links to each other by choke valve 10 with second inserted valve, second end 732.
The utility model course of work is as follows:
1, primer fluid press pump group 1 pressing force relay 6 is set can the jack-up hydraulic die cushion oil pressure to two accumulator 5 topping ups, the hydraulic oil capacity that two accumulators 5 fill should be able to satisfy the cylinder body that is full of hydraulic die cushion plunger case 9.
2, two four-way electromagnetic reversing valves 71 electric, open 72, two accumulators 5 of first inserted valve and enter hydraulic die cushion plunger case 9 cavity of resorptions and eject hydraulic die cushion 110 through connecting oil pipe 4 and first inserted valve 72, shuttle valve 74.Select required ejection stroke by hydraulic die cushion travel switch 100.
3, hydraulic die cushion 110 presses down with slide block, the back pressure of hydraulic die cushion plunger case 9 cavity of resorptions is set up by required pressure-pad-force by pressure control overflow valve 75, make hydraulic die cushion 110 come downwards to minimum point in back pressure, hydraulic die cushion plunger case 9 flows back in two accumulators 5 through inserted valve combination block the 3rd end 703, stop valve 51 by second inserted valve 73, next working cycles is prepared in the slide block backhaul.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (2)
1. the forcing press hydraulic die cushion that drives of an accumulator, comprise the hydraulic pump group, first check valve, system's overflow valve be connected oil pipe, hydraulic pump group output is by connecting oil pipe, first check valve links to each other with the system overflow valve, it is characterized in that: also comprise several accumulators, pressure switch and inserted valve combination block, described inserted valve combination block comprises two four-way electromagnetic reversing valves, first inserted valve, second inserted valve, shuttle valve, pressure control overflow valve and safety overflow valve, the go side of first check valve is by connecting oil pipe, the stop valve of accumulator correspondence is in parallel with several accumulator ports respectively, the stop valve port of accumulator correspondence also respectively with pressure switch, inserted valve combination block first end links to each other; Described inserted valve combination block first end links to each other with two four-way electromagnetic reversing valve oil inlet ends, first inserted valve, first end respectively, two logical fuel tanks of four-way electromagnetic reversing valve oil outlet end, two four-way electromagnetic reversing valve first outputs link to each other with shuttle valve first end, shuttle valve second end leads to first inserted valve, second end, leads to hydraulic die cushion plunger case port by inserted valve combination block second end after shuttle valve the 3rd end links to each other with first inserted valve the 3rd end, second inserted valve, first end respectively; Second inserted valve, second end links to each other with the input of pressure control overflow valve and safety overflow valve respectively, pressure control overflow valve output by second check valve and second inserted valve the 3rd end link to each other by inserted valve combination block the 3rd end respectively the stop valve port corresponding with accumulator communicate, the safety overflow valve output by the 3rd check valve and inserted valve combination block the 4th end respectively the stop valve port corresponding with accumulator communicate.
2. the forcing press hydraulic die cushion that drives of accumulator as claimed in claim 1, it is characterized in that: described second inserted valve, first end links to each other by choke valve with second inserted valve, second end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206898857U CN203044619U (en) | 2012-12-14 | 2012-12-14 | Press machine hydraulic cushion driven by energy accumulators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206898857U CN203044619U (en) | 2012-12-14 | 2012-12-14 | Press machine hydraulic cushion driven by energy accumulators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203044619U true CN203044619U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206898857U Expired - Fee Related CN203044619U (en) | 2012-12-14 | 2012-12-14 | Press machine hydraulic cushion driven by energy accumulators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203044619U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109127885A (en) * | 2018-09-20 | 2019-01-04 | 北京机电研究所有限公司 | A kind of forging trimming correction system |
| IT202000002302A1 (en) * | 2020-02-06 | 2021-08-06 | Special Springs Srl | PERFECTED EQUIPMENT FOR THE CONTROLLED RETURN OF THE RODS IN THE CYLINDERS APPLIED TO FORGING PRESSES |
-
2012
- 2012-12-14 CN CN2012206898857U patent/CN203044619U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109127885A (en) * | 2018-09-20 | 2019-01-04 | 北京机电研究所有限公司 | A kind of forging trimming correction system |
| IT202000002302A1 (en) * | 2020-02-06 | 2021-08-06 | Special Springs Srl | PERFECTED EQUIPMENT FOR THE CONTROLLED RETURN OF THE RODS IN THE CYLINDERS APPLIED TO FORGING PRESSES |
| EP3862178A1 (en) * | 2020-02-06 | 2021-08-11 | Special Springs S.r.l. | Apparatus for the controlled return of the stems in cylinders applied to stamping presses |
| US11707903B2 (en) | 2020-02-06 | 2023-07-25 | Special Springs S.R.L. | Apparatus for the controlled return of the stems in cylinders applied to stamping presses |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: World Precise Machinery (China) Co., Ltd. Assignor: World heavy machine (Chinese) Co. Ltd. Contract record no.: 2014320000164 Denomination of utility model: Press machine hydraulic cushion driven by energy accumulators Granted publication date: 20130710 License type: Exclusive License Record date: 20140306 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20151214 |
|
| EXPY | Termination of patent right or utility model |