CN106363076B - The hydraulic system of the hydraulic punching of Steel Tube Special in a kind of liquid-filling shaping hydraulic machine - Google Patents
The hydraulic system of the hydraulic punching of Steel Tube Special in a kind of liquid-filling shaping hydraulic machine Download PDFInfo
- Publication number
- CN106363076B CN106363076B CN201610762729.1A CN201610762729A CN106363076B CN 106363076 B CN106363076 B CN 106363076B CN 201610762729 A CN201610762729 A CN 201610762729A CN 106363076 B CN106363076 B CN 106363076B
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- China
- Prior art keywords
- valve
- way electromagnetic
- double acting
- hydraulic
- pressure sensor
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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
-
- 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
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- 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 kind of hydraulic systems of the hydraulic punching of Steel Tube Special in liquid-filling shaping hydraulic machine, comprising: two four-way electromagnetic reversing valves, three-position four-way electromagnetic directional valve, bladder type hydropneumatic accumulator, double acting punching cylinder and electric-control system；Double acting punching cylinder is equipped with the piston connecting with eyelet punch, and the rodless cavity that cylinder is punched in double acting is equipped with liquid medium entrance, and the rod chamber that cylinder is punched in double acting is exported equipped with liquid medium；Liquid medium entrance and liquid medium outlet are controlled via three-position four-way electromagnetic directional valve and are connected to working media source；The outlet side of two four-way electromagnetic reversing valves is equipped with stacked unidirectional valve and pressure sensor；The output end of stacked unidirectional valve is equipped with pressure sensor；The output end of bladder type hydropneumatic accumulator is equipped with the safe valve group of accumulator；Electric-control system receives pressure sensor signal, and output signal controls the work of two four-way electromagnetic reversing valves, three-position four-way electromagnetic directional valve and bladder type hydropneumatic accumulator.
Description
Technical field
The present invention relates to a kind of liquid-filling shaping hydraulic machine, in particular to Steel Tube Special is hydraulic in a kind of liquid-filling shaping hydraulic machine
The hydraulic system of punching.
Background technique
Currently, liquid-filling shaping hydraulic machine is typical high-end Forming Equipments, it is suitable for the industry neck such as aerospace, automobile
Domain meets production requirement of the field to part lightweight and forming accuracy.The liquid of the hydraulic punching of Steel Tube Special in wherein completing
Pressure system, early period are all to be directly driven double acting punching cylinder using independent power source and advanced, completed drilling technology.But
When beating multiple holes simultaneously, the flow needed is big, relies only on power source and completes punching, will increase the installed power of equipment, lead to one
The increase of serial cost.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide high pressure steel in a kind of liquid-filling shaping hydraulic machine
Manage the hydraulic system of hydraulic punching.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that
A kind of hydraulic system of the hydraulic punching of Steel Tube Special in liquid-filling shaping hydraulic machine, comprising: two four-way electromagnetics commutations
Valve, three-position four-way electromagnetic directional valve, bladder type hydropneumatic accumulator, double acting punching cylinder and electric-control system；Wherein: cylinder is punched in the double acting
Equipped with piston, the piston is connect with eyelet punch, and the rodless cavity of the double acting punching cylinder is equipped with liquid medium entrance, described
The rod chamber that cylinder is punched in double acting is exported equipped with liquid medium；The liquid medium entrance and liquid medium outlet are via institute
Three-position four-way electromagnetic directional valve control is stated to be connected to working media source；It is equipped in the outlet side of two four-way electromagnetic reversing valves
Stacked unidirectional valve and pressure sensor；Pressure sensor is equipped in the output end of the stacked unidirectional valve；In the capsule
The output end of formula accumulator is equipped with the safe valve group of accumulator；The pressure sensor detects the double acting punching cylinder and the capsule
The output pressure of formula accumulator, the electric-control system receive the 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, the solenoid directional control valve is the solenoid directional control valve of 10 latus rectums.
Further, the volume of the bladder type hydropneumatic accumulator is 10L, operating pressure 31.5MPa.
Further, the stacked unidirectional valve is 10 latus rectum stacked unidirectional valves.
Further, the output end of the bladder type hydropneumatic accumulator is equipped with pressure sensor.
Further, the input and output side of the double acting punching cylinder is equipped with pressure sensor.
The advantages and positive effects of the present invention are: making power by two position four-way valves and stacked unidirectional valve
The pressure oil in source enters the bladder type hydropneumatic accumulator set up, and when reaching the pressure value of setting, pressure sensor is electric to electric-control system sender
Control system controls the movement of two three-position four-way valves again, and the oil liquid in accumulator is made to enter the rodless cavity of double acting punching cylinder, real
The hydraulic drilling technology of Steel Tube Special in existing.The oil liquid of instantaneous high pressure big flow is provided by bladder type hydropneumatic accumulator in this way, is being guaranteed
Under the premise of realizing technological action, the installed power of equipment is reduced, the production efficiency of equipment is also improved, avoids equipment volume
Outer energy consumption, has saved production cost.
Detailed description of the invention
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；2, stacked unidirectional valve；3, pressure sensor；4, three position four-way electromagnetic valve；
5, bladder type hydropneumatic accumulator；6, the safe valve group of accumulator；7, pressure measuring tie-in；8, cylinder is punched in double acting.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
Referring to Figure 1, the hydraulic system of the hydraulic punching of interior Steel Tube Special of a kind 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 sensor 3, bladder type hydropneumatic accumulator 5, accumulator safety 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 outlet of logical reversal valve 1 is connected to 2 oil inlet of check valve；The oil outlet of the check valve 2 and the pressure
Sensor 3, three position four-way electromagnetic valve 4 oil inlet be connected with the hydraulic fluid port of bladder type hydropneumatic accumulator 5；The oil of the bladder type hydropneumatic accumulator 5
Mouth is connected with the hydraulic fluid port of the safe valve group 6 of the accumulator；The hydraulic fluid port of the three position four-way electromagnetic valve 4 and the double acting
Punching cylinder 8, pressure sensor are connected with pressure measuring tie-in 7；The oil return opening of the safe valve group 6 of the accumulator is connected to fuel tank.Into
One step: the bladder type hydropneumatic accumulator can be the piston accumulator of corresponding volume and operating pressure.In the preferred embodiment:
The combination of the three-position four-way electromagnetic directional valve and double acting punching cylinder can punch cylinder for two-bit triplet solenoid valve and single-acting
Combination；The stacked unidirectional valve can be 10 latus rectum plate-type non-return valves.
The working principle of the invention:
Electromagnet SYA31, SYA51 energized action, power source fuel feeding into bladder type hydropneumatic accumulator, when the pressure in bladder type hydropneumatic accumulator
Pressure sensor sender when power reaches setting value, electric-control system issues signal at this time, makes electromagnet SYA31 power-off restoration, makes electricity
Magnet SYA32, SYA34 energized action, the pressure oil in bladder type hydropneumatic accumulator enter double acting punching cylinder, realize that liquid-filling shaping is hydraulic
The technological action of the hydraulic punching of interior Steel Tube Special of machine.When system is abnormal, the pressure at cylinder oil inlet and outlet is punched in double acting
Force snesor sender, electric control system controls whole system pressure release.It designs, under the premise of meeting the technological action frequency, subtracts in this way
The small power of motor of power source pump group reduces the cost of production to reduce the installed power of whole equipment, while
It ensure that the safety of production.
Embodiment described above is merely to illustrate technical idea and feature of the invention, in the art its object is to make
Technical staff it will be appreciated that the contents of the present invention and implement accordingly, patent model of the invention only cannot be limited with the present embodiment
It encloses, i.e., same changes or modifications made by all disclosed spirit are still fallen in the scope of the patents of the invention.
Claims (1)
1. the hydraulic system of the hydraulic punching of Steel Tube Special in a kind of liquid-filling shaping hydraulic machine, it is characterised in that:
It include: two four-way electromagnetic reversing valves, three-position four-way electromagnetic directional valve, bladder type hydropneumatic accumulator, double acting punching cylinder and automatically controlled
System；Wherein: the double acting punching cylinder is equipped with piston, and the piston is connect with eyelet punch, the double acting punching cylinder
Rodless cavity is equipped with liquid medium entrance, and the rod chamber of the double acting punching cylinder is exported equipped with liquid medium；The liquid medium
Import and liquid medium outlet are controlled via the three-position four-way electromagnetic directional valve and are connected to working media source；Described two
The outlet side of position four-way electromagnetic reversing valve is equipped with stacked unidirectional valve and pressure sensor；In the defeated of the stacked unidirectional valve
Outlet is equipped with pressure sensor；The safe valve group of accumulator is equipped in the output end of the bladder type hydropneumatic accumulator；The pressure sensor
The output pressure of double acting the punching cylinder and the bladder type hydropneumatic accumulator is detected, the electric-control system receives the pressure sensor
Signal, output signal control the work of two four-way electromagnetic reversing valves, three-position four-way electromagnetic directional valve and bladder type hydropneumatic accumulator；
The solenoid directional control valve is the solenoid directional control valve of 10 latus rectums；The volume of the bladder type hydropneumatic accumulator is 10L, and operating pressure is
31.5MPa；The stacked unidirectional valve is 10 latus rectum stacked unidirectional valves；The output end of the bladder type hydropneumatic accumulator is passed equipped with pressure
Sensor；The input and output side of the double acting punching cylinder is equipped with pressure sensor；
Above-mentioned two position and four-way reversing valve includes electromagnet SYA31, and the above-mentioned safe valve group of accumulator includes electromagnet SYA51, above-mentioned
Three position four-way electromagnetic valve includes electromagnet SYA32 and electromagnet SYA34；
When above-mentioned hydraulic system works, electromagnet SYA31, SYA51 energized action, power source fuel feeding into bladder type hydropneumatic accumulator, when
Pressure sensor sender when pressure in bladder type hydropneumatic accumulator reaches setting value, electric-control system issues signal at this time, makes electromagnet
SYA31 power-off restoration, makes electromagnet SYA32, SYA34 energized action, and the pressure oil in bladder type hydropneumatic accumulator enters double acting punching
Cylinder realizes the technological action of the hydraulic punching of interior Steel Tube Special of liquid-filling shaping hydraulic machine, and when system is abnormal, double acting is beaten
Pressure sensor sender at the cylinder oil inlet and outlet of hole, electric control system controls whole system pressure release.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN106363076A CN106363076A (en) | 2017-02-01 |
| CN106363076B true CN106363076B (en) | 2019-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167240B (en) * | 2017-12-05 | 2019-07-02 | 西安交通大学 | A kind of hydraulic system of local loading hydraulic press |
| 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 |
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 |
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| Publication number | Publication date |
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| CN106363076A (en) | 2017-02-01 |
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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. |