CN106363076A - Hydraulic system for inner high-pressure steel pipe hydraulic perforating of hydroforming hydraulic machine - Google Patents
Hydraulic system for inner high-pressure steel pipe hydraulic perforating of hydroforming hydraulic machine Download PDFInfo
- Publication number
- CN106363076A CN106363076A CN201610762729.1A CN201610762729A CN106363076A CN 106363076 A CN106363076 A CN 106363076A CN 201610762729 A CN201610762729 A CN 201610762729A CN 106363076 A CN106363076 A CN 106363076A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- valve
- pressure
- steel pipe
- punching
- 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.)
- Granted
Links
Classifications
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
-
- 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
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/22—Control arrangements for fluid-driven presses controlling the degree of pressure applied by the ram during the pressing stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
- F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic system for inner high-pressure steel pipe hydraulic perforating of a hydroforming hydraulic machine. The hydraulic system comprises a two-position four-way solenoid directional valve, three-position four-way solenoid directional valves, a bag type energy accumulator, double-acting perforating cylinders and an electric control system. Each double-acting perforating cylinder is provided with a piston connected with a perforating puncher pin. A rodless cavity of each double-acting perforating cylinder is provided with a liquid medium inlet, and a rod cavity of each double-acting perforating cylinder is provided with a liquid medium outlet. Each liquid medium inlet and the corresponding liquid medium outlet are controlled by the corresponding three-position four-way solenoid directional valve to communicate with a working medium source. A stacking type one-way valve and a pressure sensor are arranged on the output side of the two-position four-way solenoid directional valve. The pressure sensor is arranged at the output end of the stacking type one-way valve. An energy accumulator safety valve set is arranged at the output end of the bag type energy accumulator. The electric control system receives signals of the pressure sensor, and the signals are output to control the two-position four-way solenoid directional valve, the three-position four-way solenoid directional valves and the bag type energy accumulator to work.
Description
Technical field
The present invention relates to a kind of liquid-filling shaping hydraulic machine, particularly to a kind of liquid-filling shaping hydraulic machine inner high voltage steel pipe hydraulic pressure
The hydraulic system of punching.
Background technology
At present, liquid-filling shaping hydraulic machine be typically high-end Forming Equipments it is adaptable to Aero-Space, automobile etc. industry neck
Domain, meets the production requirement to part lightweight and forming accuracy for this field.Wherein complete the liquid of inner high voltage steel pipe hydraulic pressure punching
Pressure system, early stage is all using independent power source, directly drives double acting punching cylinder and advances, completes drilling technology.But
When beating multiple hole, the flow of needs is big simultaneously, relies only on power source and completes to punch, can increase the installed power of equipment, lead to one
The increase of serial cost.
Content of the invention
The present invention provides a kind of liquid-filling shaping hydraulic machine inner high voltage steel for solving technical problem present in known technology
The hydraulic system of pipe hydraulic pressure punching.
The present invention is adopted the technical scheme that by solving technical problem present in known technology:
A kind of hydraulic system of liquid-filling shaping hydraulic machine inner high voltage steel pipe hydraulic pressure punching, comprising: two four-way electromagnetic commutations
Valve, three-position four-way electromagnetic directional valve, bladder type hydropneumatic accumulator, double acting punching cylinder and electric-control system；Wherein: described double acting punching cylinder
It is provided with piston, described piston is connected with eyelet punch, the rodless cavity of described double acting punching cylinder is provided with liquid medium entrance, described
The rod chamber of double acting punching cylinder is provided with liquid medium outlet；Described liquid medium entrance and described liquid medium export via institute
State three-position four-way electromagnetic directional valve control to connect with working media source；It is provided with the outlet side of described two four-way electromagnetic reversing valves
Stacked unidirectional valve and pressure transducer；It is provided with pressure transducer in the outfan of described stacked unidirectional valve；In described capsule
The outfan of formula accumulator is provided with the safe valve group of accumulator；The described described double acting punching cylinder of pressure transducer detection and described capsule
The output pressure of formula accumulator, described electric-control system receives described pressure sensor signal, and output signal controls described two four
The work of electric change valve, three-position four-way electromagnetic directional valve and bladder type hydropneumatic accumulator.
The present invention can also adopt the following technical scheme that
Further: described solenoid directional control valve is the solenoid directional control valve of 10 latus rectums.
Further: the volume of described bladder type hydropneumatic accumulator is 10l, operating pressure is 31.5mpa.
Further: described stacked unidirectional valve is 10 latus rectum stacked unidirectional valves.
Further: the outfan of described bladder type hydropneumatic accumulator is provided with pressure transducer.
Further: the input and output side of described double acting punching cylinder is provided with pressure transducer.
The present invention has the advantages and positive effects that: by two position four-way valves and stacked unidirectional valve, makes power
The bladder type hydropneumatic accumulator that the pressure oil entrance in source is set up, when reaching the pressure value setting, pressure transducer is to electric-control system sender, electricity
Control system controls the action of two three-position four-way valves again, makes the fluid in accumulator enter the rodless cavity of double acting punching cylinder, real
The hydraulic pressure drilling technology of existing inner high voltage steel pipe.The fluid of instantaneous high pressure big flow is so provided by bladder type hydropneumatic accumulator, is ensureing
On the premise of realizing technological action, reduce the installed power of equipment, also improve the production efficiency of equipment, it is to avoid equipment volume
Outer energy expenditure, has saved production cost.
Brief description
It is the hydraulic schematic diagram of this patent preferred embodiment in Fig. 1.
In Fig. 1: 1, two position and four-way reversing valve；2nd, stacked unidirectional valve；3rd, pressure transducer；4th, three position four-way electromagnetic valve；
5th, bladder type hydropneumatic accumulator；6th, the safe valve group of accumulator；7th, pressure measuring tie-in；8th, double acting punching cylinder.
Specific embodiment
For content of the invention, feature and effect of the present invention can be further appreciated that, hereby enumerate following examples, and coordinate accompanying drawing
Describe in detail as follows:
Refer to Fig. 1, a kind of hydraulic system of the inner high voltage steel pipe hydraulic pressure punching of liquid-filling shaping hydraulic machine, including two four
Logical reversal valve 1, three position four-way electromagnetic valve 4, stacked unidirectional valve 2, pressure transducer 3, bladder type hydropneumatic accumulator 5, accumulator relief valve
Group 6, double acting punching cylinder 8 and electric-control system, the plc controller of electric-control system optimization technique comparative maturity；Described two four
The oil-out of logical reversal valve 1 is connected with described check valve 2 oil-in；The described oil-out of check valve 2 and described pressure
Sensor 3, the oil-in of three position four-way electromagnetic valve 4 are connected with the hydraulic fluid port of bladder type hydropneumatic accumulator 5；The oil of described bladder type hydropneumatic accumulator 5
The hydraulic fluid port of mouth valve group 6 safe with described accumulator is connected；The described hydraulic fluid port of three position four-way electromagnetic valve 4 and described double acting
Punching cylinder 8, pressure transducer are connected with pressure measuring tie-in 7；The oil return opening of the safe valve group of described accumulator 6 is connected with fuel tank.Enter
One step: described bladder type hydropneumatic accumulator can be the piston accumulator of corresponding volume and operating pressure.In the preferred embodiment:
Described three-position four-way electromagnetic directional valve can be two-bit triplet electromagnetic valve and single-acting punching cylinder with combining of double acting punching cylinder
Combination；Described stacked unidirectional valve can be 10 latus rectum plate-type non-return valves.
The operation principle of the present invention:
Electric magnet sya31, sya51 energized action, power source to fuel feeding in bladder type hydropneumatic accumulator, when the pressure in bladder type hydropneumatic accumulator
Power reaches pressure transducer sender during setting value, and now electric-control system sends signal, makes electric magnet sya31 power-off restoration, makes electricity
Magnet sya32, sya34 energized action, the pressure oil in bladder type hydropneumatic accumulator enters double acting punching cylinder, realizes liquid-filling shaping hydraulic pressure
The technological action of the inner high voltage steel pipe hydraulic pressure punching of machine.Pressure when system occurs abnormal, at double acting punching cylinder oil inlet and outlet
Force transducer sender, electric control system controls whole system pressure release.So design, on the premise of meeting the technological action frequency, subtract
The little power of motor of power source pump group, thus reducing the installed power of whole equipment, decreases the cost of production, simultaneously
Ensure that the safety of production.
Embodiment described above is merely to illustrate technological thought and the feature of the present invention, its object is to make in the art
Technical staff it will be appreciated that present disclosure and according to this implement it is impossible to only to limit the patent model of the present invention with the present embodiment
Enclose, equal change or modification that is, all disclosed spirit is made, still fall in the scope of the claims of the present invention.
Claims (6)
1. a kind of punching of liquid-filling shaping hydraulic machine inner high voltage steel pipe hydraulic pressure hydraulic system it is characterised in that: include: two four-ways
Solenoid directional control valve, three-position four-way electromagnetic directional valve, bladder type hydropneumatic accumulator, double acting punching cylinder and electric-control system；Wherein: described double cropping
It is provided with piston with punching cylinder, described piston is connected with eyelet punch, the rodless cavity of described double acting punching cylinder is provided with liquid medium
Import, the rod chamber of described double acting punching cylinder is provided with liquid medium outlet；Described liquid medium entrance and described liquid medium
Outlet is connected with working media source via the control of described three-position four-way electromagnetic directional valve；In described two four-way electromagnetic reversing valves
Outlet side is provided with stacked unidirectional valve and pressure transducer；It is provided with pressure sensing in the outfan of described stacked unidirectional valve
Device；It is provided with the safe valve group of accumulator in the outfan of described bladder type hydropneumatic accumulator；Described pressure transducer detects that described double acting is beaten
Hole cylinder and the output pressure of described bladder type hydropneumatic accumulator, described electric-control system receives described pressure sensor signal, output signal control
Make the work of described two four-way electromagnetic reversing valves, three-position four-way electromagnetic directional valve and bladder type hydropneumatic accumulator.
2. the hydraulic system of the hydraulic pressure punching of liquid-filling shaping inner high voltage steel pipe according to claim 1 is it is characterised in that institute
The solenoid directional control valve stated is the solenoid directional control valve of 10 latus rectums.
3. the hydraulic system of the hydraulic pressure punching of liquid-filling shaping inner high voltage steel pipe according to claim 1 is it is characterised in that institute
The volume stating bladder type hydropneumatic accumulator is 10l, and operating pressure is 31.5mpa.
4. the hydraulic system of the hydraulic pressure punching of liquid-filling shaping inner high voltage steel pipe according to claim 1 is it is characterised in that institute
Stating stacked unidirectional valve is 10 latus rectum stacked unidirectional valves.
5. the hydraulic system of the hydraulic pressure punching of liquid-filling shaping inner high voltage steel pipe according to claim 1 is it is characterised in that institute
The outfan stating bladder type hydropneumatic accumulator is provided with pressure transducer.
6. the hydraulic system of the hydraulic pressure punching of liquid-filling shaping inner high voltage steel pipe according to claim 1 is it is characterised in that institute
The input and output side stating double acting punching cylinder is provided with pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610762729.1A CN106363076B (en) | 2016-08-29 | 2016-08-29 | The hydraulic system of the hydraulic punching of Steel Tube Special in a kind of liquid-filling shaping hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610762729.1A CN106363076B (en) | 2016-08-29 | 2016-08-29 | The hydraulic system of the hydraulic punching of Steel Tube Special in a kind of liquid-filling shaping hydraulic machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106363076A true CN106363076A (en) | 2017-02-01 |
| CN106363076B CN106363076B (en) | 2019-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610762729.1A Active CN106363076B (en) | 2016-08-29 | 2016-08-29 | The hydraulic system of the hydraulic punching of Steel Tube Special in a kind of liquid-filling shaping hydraulic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106363076B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167240A (en) * | 2017-12-05 | 2018-06-15 | 西安交通大学 | A kind of hydraulic system of local loading hydraulic press |
| CN112664494A (en) * | 2020-12-04 | 2021-04-16 | 天津天锻航空科技有限公司 | Hydraulic control system of double-acting liquid-filling forming hydraulic machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893008A (en) * | 2010-08-03 | 2010-11-24 | 项建卫 | Rapid hydraulic drive system |
| CN102183700A (en) * | 2011-02-23 | 2011-09-14 | 河南科技大学 | Controllable loading spectrum hydraulic loading method and loading device therefor |
| CN103672126A (en) * | 2013-12-26 | 2014-03-26 | 重庆川仪自动化股份有限公司 | Electro-hydraulic actuator |
| JP6112127B2 (en) * | 2015-03-03 | 2017-04-12 | マツダ株式会社 | Engine piston structure |
-
2016
- 2016-08-29 CN CN201610762729.1A patent/CN106363076B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893008A (en) * | 2010-08-03 | 2010-11-24 | 项建卫 | Rapid hydraulic drive system |
| CN102183700A (en) * | 2011-02-23 | 2011-09-14 | 河南科技大学 | Controllable loading spectrum hydraulic loading method and loading device therefor |
| CN103672126A (en) * | 2013-12-26 | 2014-03-26 | 重庆川仪自动化股份有限公司 | Electro-hydraulic actuator |
| JP6112127B2 (en) * | 2015-03-03 | 2017-04-12 | マツダ株式会社 | Engine piston structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167240A (en) * | 2017-12-05 | 2018-06-15 | 西安交通大学 | A kind of hydraulic system of local loading hydraulic press |
| CN112664494A (en) * | 2020-12-04 | 2021-04-16 | 天津天锻航空科技有限公司 | Hydraulic control system of double-acting liquid-filling forming hydraulic machine |
| CN112664494B (en) * | 2020-12-04 | 2023-05-23 | 天津天锻航空科技有限公司 | Hydraulic control system of double-acting liquid-filled forming hydraulic press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106363076B (en) | 2019-01-08 |
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| SE01 | Entry into force of request for substantive examination | ||
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Effective date of registration: 20200430 Address after: 300402, Beichen District, Tianjin Town, Jin Wai Highway East Co-patentee after: TIANJIN TIANDUAN AVIATION TECHNOLOGY Co.,Ltd. Patentee after: TIANJIN TIANDUAN HYDRAULIC PRESS Co.,Ltd. Address before: 300402, Beichen District, Tianjin Town, Jin Wai Highway East Patentee before: TIANJIN TIANDUAN HYDRAULIC PRESS Co.,Ltd. |