CN106393767A - Energy-saving hydraulic press - Google Patents
Energy-saving hydraulic press Download PDFInfo
- Publication number
- CN106393767A CN106393767A CN201610091696.2A CN201610091696A CN106393767A CN 106393767 A CN106393767 A CN 106393767A CN 201610091696 A CN201610091696 A CN 201610091696A CN 106393767 A CN106393767 A CN 106393767A
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- China
- Prior art keywords
- hydraulic
- oil
- cylinder
- valve
- slide block
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- 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.)
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
- B30B1/34—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure involving a plurality of plungers acting on the platen
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Press Drives And Press Lines (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses an energy-saving hydraulic press which mainly comprises a machine body, a balance oil cylinder, a main oil cylinder, side oil cylinders, a slide block, a workbench, a hydraulic cushion oil cylinder, a hydraulic cushion and a hydraulic system, wherein the machine body consists of an upper beam, a lower beam and stand columns at the two sides; the balance cylinder is fixedly arranged on the upper beam; the main oil cylinder and the side oil cylinders are fixedly arranged on the upper beam; the slide block is arranged in the middle of the machine body and is connected with the balance cylinder, the main oil cylinder and the side oil cylinders; the workbench is arranged on the upper surface of the lower beam; the hydraulic cushion oil cylinder is mounted on the lower beam; the hydraulic cushion is mounted on the lower surface of the workbench, is connected with the hydraulic cushion oil cylinder, and is equipped with an ejector rod on upper surface; and the hydraulic system consists of a lifting hydraulic oil path for driving the main cylinder to act, a pressurizing hydraulic oil path for driving the side oil cylinders and the main oil cylinder to pressurize, a hydraulic cushion oil path for driving the hydraulic cushion oil cylinder, and a slide block energy storage and reutilization hydraulic oil path. The energy-saving hydraulic press has the advantages of reducing installing power of the system, reducing motor output, greatly reducing electric energy consumption, improving energy efficiency of the hydraulic press, reducing heat productivity of the system and being capable of saving energy by 20-50%.
Description
Technical field
The invention belongs to hydraulic press.
Background technology
For the hydraulic press of forging and stamping and punching press, slide block driven mold generally to be made to move up and down to suppress raw material and make it become required
The shape wanted.In currently known technology, the design of its hydraulic system mainly considers the ability to work of each executive component, no
Note very much the efficiency of system；Exert oneself by motor completely when slide block is up and slide block is held up, the band hydraulic fluid of master cylinder during slide block down
Force feed is expelled back into fuel tank by lifting the inserted valve in hydraulic circuit, causes overflow and heating.Not only cause the waste of energy, effect
Rate is low, and also add the installed power of system, and the big temperature of caloric value raises the system failure causing.
Content of the invention
A kind of energy resource consumption that the present invention provides for solving the problems, such as high energy consumption present in known technology is few, high working efficiency
Energy-saving hydraulic press.
The present invention is by solving the problems, such as that high energy consumption present in known technology is adopted the technical scheme that：
A kind of energy-saving hydraulic press, main inclusion：The fuselage being made up of entablature, sill, two heel posts；It is fixed on entablature
Compensating cylinder；It is fixed on the master cylinder on entablature and side cylinder；It is installed in the middle of fuselage and oily with compensating cylinder, master cylinder and side
The slide block that cylinder is connected；It is arranged on the workbench above sill；It is arranged on the hydraulic cushion cylinder of sill；It is arranged under workbench
Face simultaneously has the hydraulic die cushion of push rod with hydraulic cushion cylinder above being connected；By the lifting hydraulic circuit, the driving that drive master cylinder action
The pressurized hydraulic oil circuit of side cylinder and master cylinder pressurization, the hydraulic die cushion oil circuit driving hydraulic cushion cylinder, slide block energy storage are sharp again
Hydraulic system with hydraulic circuit composition；And electric control system；Described slide block energy storage recycles oil circuit by including
Following oil circuit compositions of accumulator group：
Slide block energy storage recycles hydraulic circuit to include：
The first overflow valve that oil-in is connected with the first compensating cylinder rod chamber, oil-out is connected with fuel tank；Hydraulic fluid port pass through pipeline with
The first inserted valve that compensating cylinder rod chamber is connected, another hydraulic fluid port is connected with accumulator group by pipeline；It is serially connected in the first inserted valve
First shuttle valve of oil inlet and outlet；Oil-in is connected with the first shuttle valve, oil-out is connected with the first inserted valve control port first
Number two position, three-way electromagnetic change valve；The second overflow valve that oil-in is connected with compensating cylinder rod chamber, oil-out is connected with fuel tank；Oil
Mouth passes through the second inserted valve that pipeline is connected, another hydraulic fluid port is connected with accumulator group by pipeline with the second compensating cylinder rod chamber；
It is serially connected in the second shuttle valve of the second inserted valve oil inlet and outlet；Be connected with the second shuttle valve oil-out and the second inserted valve of oil-in is controlled
No. second two position, three-way electromagnetic change valve that hydraulic fluid port is connected；The accumulator group that oil-in is connected with first, second inserted valve（Or store
Can device）；It is arranged on the travel switch on accumulator（Or displacement transducer）；First compensating cylinder；Displacement transducer；Second balance
Cylinder；The 3-position 4-way electromagnetism that oil-in is connected with the pressure oil port of pump by pipeline, oil-out is connected with accumulator group oil-in
Reversal valve；Pressure transducer.
Advantages of the present invention and good effect are：Due to the present invention increased in hydraulic system by a set of accumulator group,
Two travel switches（Or displacement transducer）, two inserted valves, two two position three way directional control valves, two overflow valves, one three
Four-way change-over valve, displacement transducer, a slide block energy storage for a pressure transducer composition recycle hydraulic circuit；Thus
In slide block down, transform gravitational energy becomes pressure oil to be stored in accumulator group, lifts the pressure of hydraulic circuit when slide block is up
Oil enters master cylinder rod chamber, and the pressure oil of accumulator group release enters compensating cylinder rod chamber, master cylinder lifting force and compensating cylinder
It is up that lifting force holds up slide block jointly；Due to the accumulation of energy effect of accumulator group, the gravitional force of slide block is made to be recycled, significantly
Reduce power consumption, improve the efficiency of hydraulic press, reduce installed power, can save energy 20-50%, be also greatly reduced and be
The caloric value of system.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the hydraulic schematic diagram of the slide block energy storage recycling hydraulic circuit of the present invention.
The label of in figure is respectively：1- master cylinder；2- side cylinder；3- entablature；4- flange；5- column；6- slide block；On 7-
Mould；Mould under 8-；9- workbench；10- hydraulic die cushion；11- hydraulic cushion cylinder；12- sill；13- pipeline；14- pipeline；15- first
Overflow valve；16- first inserted valve；17- first shuttle valve；18- number one two position, three-way electromagnetic change valve；19- second overflow valve；
20- second inserted valve；21- second shuttle valve；No. second two position three way directional control valve of 22-；23- accumulator group（Or accumulator）；24- row
Cheng Kaiguan (or displacement transducer）；25- first compensating cylinder；26- displacement transducer；；27- pipeline；28- pipeline；29- pipeline；30-
Pipeline；31- second compensating cylinder；32- three-position four-way electromagnetic directional valve；33- pressure transducer；34- flange.
Specific embodiment
For further appreciating that this bright content of the invention, function and effect, enumerate following examples, and join accompanying drawing and describe in detail such as
Under：
Refer to Fig. 1, energy-saving hydraulic press, be provided with welded entablature 3, sill 12, be contained in entablature and sill it
Between two edge column 5 constitute fuselage, two compensating cylinders 25 and 31, master cylinder 1 and two are respectively mounted on entablature
Side cylinder 2, compensating cylinder is piston rod oil cylinder, and master cylinder is piston rod oil cylinder, and two side cylinders are plunger cylinder, dress in the middle of fuselage
There is slide block 6, slide block is connected with compensating cylinder piston rod end by ring flange 34, slide block is also by ring flange and master cylinder and two
The piston rod of individual side cylinder is connected with the termination of plunger rod, has workbench 9 above sill, installs inside sill
Have hydraulic cushion cylinder 11, hydraulic cushion cylinder be plunger case, workbench following equipped with the hydraulic die cushion 10 having push rod above, liquid
Pressure pad is connected with the plunger termination of hydraulic cushion cylinder, the 7 of in figure and 8 upper moulds being respectively contained in below slide block and be contained in work
Lower mould above station.
The hydraulic system of hydraulic press by lifted hydraulic circuit, slide block energy storage recycle hydraulic circuit, drive side cylinder
Form with the pressurized hydraulic oil circuit of master cylinder pressurization, the hydraulic die cushion oil circuit of driving hydraulic cushion cylinder, hydraulic press also includes electrically
Control system；The slide block energy storage of its hydraulic system recycles hydraulic circuit consisting of the following：
Hereinafter see Fig. 2:
Slide block energy storage recycles hydraulic circuit to include：
The first overflow valve 15 that oil-in is connected with the first compensating cylinder rod chamber, oil-out is connected with fuel tank；Hydraulic fluid port passes through pipeline
The first inserted valve 16 that 28 are connected with compensating cylinder rod chamber, another hydraulic fluid port is connected with accumulator group by pipeline 27；It is serially connected in
First shuttle valve 17 of one inserted valve oil inlet and outlet；The number one two-position three-way electromagnetic that hydraulic fluid port is connected with the first inserted valve control port
Reversal valve 18；The second overflow valve 19 that oil-in is connected with compensating cylinder rod chamber, oil-out is connected with fuel tank；Hydraulic fluid port passes through pipeline
The second inserted valve 20 that 30 are connected with the second compensating cylinder rod chamber, another hydraulic fluid port is connected with accumulator group by pipeline 27；Concatenation
The second shuttle valve 21 in the second inserted valve oil inlet and outlet；No. second two-position three way that hydraulic fluid port is connected with the second inserted valve control port
Solenoid directional control valve 22；The accumulator group that oil-in is connected with first, second inserted valve（Or accumulator）23；It is arranged on accumulator
Travel switch（Or displacement transducer）24；First compensating cylinder 25；Displacement transducer 26；Second compensating cylinder 31；Oil-in passes through
The three-position four-way electromagnetic directional valve 32 that pipeline 29 is connected with the pressure oil port of pump, oil-out is connected with accumulator group oil-in；Pressure
Force transducer 33.
Present invention work detailed process is as follows, during slide block down：Master cylinder rodless cavity hydraulic oil is in lifting hydraulic circuit control
System is lower to be back to fuel tank by pipeline 14, and slide block energy storage recycles the solenoid directional control valve 18 and 22 of hydraulic circuit to move simultaneously
Make, slide block 6 and main oil cylinder piston are descending under gravity, by the first compensating cylinder 25 and the second compensating cylinder 31 rod chamber hydraulic oil
It is pressed back in accumulator group；When slide block is up：The pressure oil of lifting hydraulic circuit enters the rod chamber of master cylinder 1 by pipeline 14
Produce lifting force, slide block energy storage recycles solenoid directional control valve 18 and 22 actions of hydraulic circuit, energy storage pressure oil simultaneously
Lifting force is produced by the rod chamber of pipeline 27, the first inserted valve, pipeline 28 entrance the first compensating cylinder, energy storage pressure oil simultaneously
Rod chamber also by pipeline 27, the second inserted valve, pipeline 30 entrance the second compensating cylinder produces lifting force；Lifting hydraulic circuit produces
It is up that the lifting force of raw lifting force and the recycling oil circuit generation of slide block energy storage holds up slide block jointly.In the process, store
Energy device and motor muck in hold up slide block, and the gravitional force of slide block recycles hydraulic circuit to obtain by slide block energy storage
Recycle.Three-position four-way electromagnetic directional valve 32 is used for the filling of accumulator group hydraulic oil and releases.
Claims (1)
1. a kind of energy-saving hydraulic press, main inclusion：The fuselage being made up of entablature, sill, two heel posts；It is fixed on entablature
On compensating cylinder；It is fixed on the master cylinder on entablature and side cylinder；Be installed in the middle of fuselage and with compensating cylinder, master cylinder and side
The slide block that oil cylinder is connected；It is contained in the workbench above sill；It is arranged on the hydraulic cushion cylinder of sill；It is arranged under workbench
Face simultaneously has the hydraulic die cushion of push rod with hydraulic cushion cylinder above being connected；By the lifting hydraulic circuit, the driving that drive master cylinder action
The pressurized hydraulic oil circuit of side cylinder and master cylinder pressurization, the hydraulic die cushion oil circuit driving hydraulic cushion cylinder, slide block energy storage are sharp again
Hydraulic system with hydraulic circuit composition；And electric control system；Described slide block energy storage recycles oil circuit by including
Following oil circuit compositions of accumulator group：
Slide block energy storage recycles hydraulic circuit to include：
The first overflow valve that oil-in is connected with the first compensating cylinder rod chamber, oil-out is connected with fuel tank；Hydraulic fluid port pass through pipeline with
The first inserted valve that compensating cylinder rod chamber is connected, another hydraulic fluid port is connected with accumulator group by pipeline；It is serially connected in the first inserted valve
First shuttle valve of oil inlet and outlet；The number one two position, three-way electromagnetic change valve that hydraulic fluid port is connected with the first inserted valve control port；Enter
The second overflow valve that hydraulic fluid port is connected with compensating cylinder rod chamber, oil-out is connected with fuel tank；Hydraulic fluid port passes through pipeline and the second compensating cylinder
The second inserted valve that rod chamber is connected, another hydraulic fluid port is connected with accumulator group by pipeline；Be serially connected in the second inserted valve enter fuel-displaced
Second shuttle valve of mouth；No. second two position, three-way electromagnetic change valve that hydraulic fluid port is connected with the second inserted valve control port；Oil-in with
The accumulator group that first, second inserted valve is connected（Or accumulator）；It is arranged on the travel switch on accumulator（Or displacement sensing
Device）；First compensating cylinder；Displacement transducer；Second compensating cylinder；Oil-in is connected with the pressure oil port of pump by pipeline, oil-out
The three-position four-way electromagnetic directional valve being connected with accumulator group oil-in；Pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610091696.2A CN106393767A (en) | 2016-02-19 | 2016-02-19 | Energy-saving hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610091696.2A CN106393767A (en) | 2016-02-19 | 2016-02-19 | Energy-saving hydraulic press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106393767A true CN106393767A (en) | 2017-02-15 |
Family
ID=58007096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610091696.2A Pending CN106393767A (en) | 2016-02-19 | 2016-02-19 | Energy-saving hydraulic press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106393767A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107813534A (en) * | 2017-11-27 | 2018-03-20 | 吕言 | Press machine system, control method and bascule |
| CN107972310A (en) * | 2017-11-27 | 2018-05-01 | 吕言 | Press machine system, control method and balancing device |
| CN108638568A (en) * | 2018-04-25 | 2018-10-12 | 天津市天锻压力机有限公司 | A kind of energy-conserving hydraulic for hydraulic press pads control system |
| CN109421312A (en) * | 2017-08-24 | 2019-03-05 | 连杰油压工业股份有限公司 | Energy-saving hydraulic forming equipment |
| CN110332154A (en) * | 2019-06-28 | 2019-10-15 | 武汉理工大学 | A hydraulic system of multi-accumulator high-performance servo oil press |
| CN111237262A (en) * | 2018-12-26 | 2020-06-05 | 金马工业集团股份有限公司 | Hydraulic system |
| CN111331025A (en) * | 2019-12-31 | 2020-06-26 | 扬州锻压机床有限公司 | Novel air cushion locking and buffering control mechanism |
| CN111572083A (en) * | 2020-04-17 | 2020-08-25 | 江苏国力锻压机床有限公司 | Hydraulic press for glass fiber reinforced plastic products |
| WO2021056659A1 (en) * | 2019-09-23 | 2021-04-01 | 南通锻压设备如皋有限公司 | Open hydraulic pump-controlled motor-driven rotary forging press machine |
| CN114771000A (en) * | 2022-04-14 | 2022-07-22 | 长安大学 | Carrier friction plate forming device |
-
2016
- 2016-02-19 CN CN201610091696.2A patent/CN106393767A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109421312A (en) * | 2017-08-24 | 2019-03-05 | 连杰油压工业股份有限公司 | Energy-saving hydraulic forming equipment |
| CN107813534A (en) * | 2017-11-27 | 2018-03-20 | 吕言 | Press machine system, control method and bascule |
| CN107972310A (en) * | 2017-11-27 | 2018-05-01 | 吕言 | Press machine system, control method and balancing device |
| CN108638568A (en) * | 2018-04-25 | 2018-10-12 | 天津市天锻压力机有限公司 | A kind of energy-conserving hydraulic for hydraulic press pads control system |
| CN108638568B (en) * | 2018-04-25 | 2021-06-08 | 天津市天锻压力机有限公司 | Energy-saving hydraulic cushion control system for hydraulic machine |
| CN111237262A (en) * | 2018-12-26 | 2020-06-05 | 金马工业集团股份有限公司 | Hydraulic system |
| CN110332154A (en) * | 2019-06-28 | 2019-10-15 | 武汉理工大学 | A hydraulic system of multi-accumulator high-performance servo oil press |
| WO2021056659A1 (en) * | 2019-09-23 | 2021-04-01 | 南通锻压设备如皋有限公司 | Open hydraulic pump-controlled motor-driven rotary forging press machine |
| CN111331025A (en) * | 2019-12-31 | 2020-06-26 | 扬州锻压机床有限公司 | Novel air cushion locking and buffering control mechanism |
| CN111572083A (en) * | 2020-04-17 | 2020-08-25 | 江苏国力锻压机床有限公司 | Hydraulic press for glass fiber reinforced plastic products |
| CN114771000A (en) * | 2022-04-14 | 2022-07-22 | 长安大学 | Carrier friction plate forming device |
| CN114771000B (en) * | 2022-04-14 | 2023-06-02 | 长安大学 | Forming device for friction plate of consignment car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |