CN106393767A - Energy-saving hydraulic press - Google Patents

Energy-saving hydraulic press Download PDF

Info

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
Authority
CN
China
Prior art keywords
hydraulic
oil
cylinder
valve
slide block
Prior art date
Application number
CN201610091696.2A
Other languages
Chinese (zh)
Inventor
王继国
Original Assignee
王继国
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 王继国 filed Critical 王继国
Priority to CN201610091696.2A priority Critical patent/CN106393767A/en
Publication of CN106393767A publication Critical patent/CN106393767A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16Control arrangements for fluid-driven presses
    • B30B15/163Control arrangements for fluid-driven presses for accumulator-driven presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B1/00Presses, 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
    • B30B1/32Presses, 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
    • B30B1/34Presses, 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

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

Energy-saving hydraulic press
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.
CN201610091696.2A 2016-02-19 2016-02-19 Energy-saving hydraulic press CN106393767A (en)

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 CN106393767A (en) 2016-02-19 2016-02-19 Energy-saving hydraulic press

Country Status (1)

Country Link
CN (1) CN106393767A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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-conserving hydraulic former
CN110332154A (en) * 2019-06-28 2019-10-15 武汉理工大学 A kind of more accumulator high performance servo oil pressure machine hydraulic systems
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

Cited By (5)

* Cited by examiner, † Cited by third party
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-conserving hydraulic former
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
CN110332154A (en) * 2019-06-28 2019-10-15 武汉理工大学 A kind of more accumulator high performance servo oil pressure machine hydraulic systems
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
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

Similar Documents

Publication Publication Date Title
CN104785621B (en) A kind of pull-shaped and Electromagnetic heating progressive molding method and device of large thin-wall element
TWI243093B (en) Mechanical punching device
CN102380517B (en) Multifunctional vibration extrusion die based on electro-hydraulic servo driving
CN103963334A (en) Mechanical-hydraulic composite energy-saving servo hydraulic machine with toggle rod mechanism
CN201455160U (en) Hydraulic forging press
CN100381221C (en) Sheet material mold-free multi-point forming device based on viscous medium transfer force and method
CN101912926B (en) Multipurpose sheet metal stamping die-set for positive edge pressing
CN205289395U (en) A stamping forming equipment for motor
CN201769389U (en) Hydraulic press
CN102582098A (en) Dual-station pneumatic stamping machine
CN105109171A (en) Brake lining laminating apparatus with characteristic of automatic feeding
CN101712207A (en) High performance and energy-saving double-acting hydrostatic press driven by servo motor
CN103801751B (en) Based on the fully-automatic plate shearing machine hydraulic system that PLC controls
CN102363375A (en) Fast energy-saving single-action hydraulic machine
CN201042856Y (en) Magnetic materials dry pressing shaping oleodynamic press hydraulic system
CN202461389U (en) Oil pressure machine and hydraulic system thereof
CN205200272U (en) Many function combination hydraulic press
CN101244439B (en) Mechanical-hydraulic auxiliary reverse redrawing mold
CN103008431A (en) Internal high-pressure forming machine with large operating space
CN104948538B (en) The servo hydraulic system and its construction method of a kind of plate bending machine
CN107020326B (en) A kind of continuous die mould of part
CN103212619A (en) Variable-mold-clamping-force pipe internal high-pressure forming device and method
CN105312384A (en) Multifunctional combined hydraulic machine
CN101318205A (en) Circumferential nature supercharging plate liquid filling deep-drawing forming method and apparatus
CN103170565B (en) Direct drive type stroke control pressurizing type hydraulic machine of oil-less pump alternating current servo motor

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