CN109026865A - Hydraulic control loop of stretcher jacking device - Google Patents
Hydraulic control loop of stretcher jacking device Download PDFInfo
- Publication number
- CN109026865A CN109026865A CN201811157499.1A CN201811157499A CN109026865A CN 109026865 A CN109026865 A CN 109026865A CN 201811157499 A CN201811157499 A CN 201811157499A CN 109026865 A CN109026865 A CN 109026865A
- Authority
- CN
- China
- Prior art keywords
- valve
- external control
- piping connection
- fluid port
- check valve
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 41
- 230000005611 electricity Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
-
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
A hydraulic control loop of a lifting device of a stretcher relates to the hydraulic technical field and comprises a lifting device, a plug-in overflow valve, an external control leakage check valve a and an electromagnetic directional valve, the hydraulic lifting device comprises an external control leakage one-way valve B, a one-way valve and a proportional reversing valve, wherein an oil outlet B7 of the external control leakage one-way valve B is connected with an oil source P01 through a pipeline, an oil outlet A of the external control leakage one-way valve B is connected with a P1 oil port of the proportional reversing valve through a pipeline, an oil port A1 of the proportional reversing valve is connected with an oil inlet A5 of the external control leakage one-way valve a through a pipeline, an oil outlet B5 of the external control leakage one-way valve a is connected with a piston cavity of a lifting device through a pipeline, an oil port B1 of the proportional reversing valve is connected with a piston rod cavity of the lifting device through a pipeline, an oil outlet B2 of the one-way valve is connected with the piston rod cavity of the lifting device through a pipeline, and an oil inlet A; the flatness of the strip in the width direction is obviously improved in the actual production process, and the plate shape problem of the stretching plate is greatly improved.
Description
Technical field
The present invention relates to technical field of hydraulic pressure, more particularly, to a kind of hydraulic control circuit of stretching-machine jacking apparatus.
Background technique
Well known, in non-ferrous metals processing industry, strip stretching-machine is strip straightening equipment, is closed dedicated for aluminium and aluminium
The tension straingtening technique of gold ribbon material, to eliminate the internal stress of band, is improved by carrying out bending straightening and strength stretching to band
Straightness obtains high quality, high performance pre-stretching aluminium sheet.And straightness is divided into longitudinal direction (length direction) and laterally (width side
To), strip flatness (longitudinal direction) relies primarily on stretching to improve;Laterally improve by stretching-machine jacking apparatus, it is especially wide
Degree is greater than the drawing plate of 2000mm, and the effect of jacking apparatus is more and more obvious.In actual production process, in order to further increase band
Material amount (straightness) seems especially important, thus needs to design a kind of stretching-machine jacking apparatus hydraulic control circuit to guarantee band
The effect of material width direction straightness.
Summary of the invention
In order to overcome the shortcomings in the background art, the invention discloses a kind of hydraulic controls of stretching-machine jacking apparatus to return
Road.
In order to realize the goal of the invention, the present invention adopts the following technical scheme:
A kind of hydraulic control circuit of stretching-machine jacking apparatus, including jacking apparatus, plug-in overflow valve, external control leak check valve
A, solenoid directional control valve, external control leak check valve b, check valve and proportional reversing valve, and external control leaks the oil outlet B7 and oil of check valve b
Source P01 by piping connection, external control leak check valve b oil outlet A and proportional reversing valve P1 hydraulic fluid port by piping connection, than
The A1 hydraulic fluid port and external control of example reversal valve leak check valve a oil inlet A5 by piping connection, external control leaks the fuel-displaced of check valve a
By piping connection, the P3 hydraulic fluid port of plug-in overflow valve and the plunger shaft of jacking apparatus pass through the plunger shaft of mouth B5 and jacking apparatus
Piping connection, the T3 hydraulic fluid port and circuit O of plug-in overflow valve pass through piping connection, the B1 hydraulic fluid port and jacking apparatus of proportional reversing valve
Rod end chamber pass through piping connection;The oil outlet B2 of check valve and the rod end chamber of jacking apparatus are by piping connection, unidirectionally
The oil inlet A2 and circuit O of valve are by piping connection, and by piping connection, electromagnetism changes the T1 hydraulic fluid port and circuit O of proportional reversing valve
Pass through P6 hydraulic fluid port from piping connection to valve and oil sources P01, the T6 hydraulic fluid port and circuit L of solenoid directional control valve pass through piping connection, electromagnetism
Leak respectively with external control the leak X7 hydraulic fluid port of check valve b of control mouth X5, external control of check valve a of the B6 hydraulic fluid port of reversal valve passes through pipeline
Connection;Leak leak hydraulic fluid port of the Y7 hydraulic fluid port respectively with circuit L of check valve b of leakage hole Y5, external control of check valve a of external control passes through pipe
Road connection.
The hydraulic control circuit of the stretching-machine jacking apparatus, the proportional reversing valve are 3-position 4-way Y type.
The hydraulic control circuit of the stretching-machine jacking apparatus, the solenoid directional control valve are two-position four-way.
By adopting the above-described technical solution, the invention has the following beneficial effects:
The hydraulic control circuit of stretching-machine jacking apparatus of the present invention, when the piston rod of jacking apparatus stretches out jacking band
When, P1A1, B1T1 hydraulic fluid port of control proportional reversing valve 1 are connected, and solenoid directional control valve charges P6B6 hydraulic fluid port and connects, and external control leaks unidirectionally
The leak oiler that goes out of check valve b of valve a and external control is connected, and the plunger shaft that high pressure oil enters jacking apparatus jacks band, that is,
The straightness in strip width direction is improved, at the end of band jacks, circuit pressure maintaining;The present invention is in the actual production process
The straightness in strip width direction improves obviously, and stable, substantially improves the template problem of drawing plate.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
In figure: 1, proportional reversing valve;2, check valve;3, plug-in overflow valve;4, jacking apparatus;5, external control leaks check valve a;6,
Solenoid directional control valve;7, external control leaks check valve b.
Specific embodiment
By the following examples can the detailed explanation present invention, the open purpose of the present invention is intended to protect model of the present invention
Enclose all interior technological improvements.
The hydraulic control circuit of stretching-machine jacking apparatus in conjunction with described in attached drawing 1, including jacking apparatus 4, plug type overflow
Leak check valve a5, solenoid directional control valve 6, external control of valve 3, external control leaks check valve b7, check valve 2 and proportional reversing valve 1, outside external control
The oil outlet B7 and oil sources P01 of check valve b7 are let out by piping connection, external control leaks the oil outlet A7 of check valve b7 and ratio is changed
To the P1 hydraulic fluid port of valve 1 by piping connection, the leak oil inlet A5 of check valve a5 of A1 hydraulic fluid port and the external control of proportional reversing valve 1 passes through
Piping connection, external control leak check valve a5 oil outlet B5 and jacking apparatus 4 plunger shaft by piping connection, plug type overflow
By piping connection, the T3 hydraulic fluid port and circuit O of plug-in overflow valve 3 pass through pipe for the P3 hydraulic fluid port of valve 3 and the plunger shaft of jacking apparatus 4
Road connection, the B1 hydraulic fluid port of proportional reversing valve 1 and the rod end chamber of jacking apparatus 4 pass through piping connection;The oil outlet B2 of check valve 2
Rod end chamber with jacking apparatus 4 is by piping connection, and the oil inlet A2 and circuit O of check valve 2 by piping connection, change by ratio
Pass through T1 hydraulic fluid port from piping connection to valve 1 and circuit O, the P6 hydraulic fluid port and oil sources P01 of solenoid directional control valve 6 pass through piping connection, electricity
By piping connection, the B6 hydraulic fluid port of solenoid directional control valve 6 leaks with external control check valve respectively by the T6 hydraulic fluid port of magnetic reversal valve 6 and circuit L
The X7 hydraulic fluid port of control mouth X5, b7 of a5 passes through piping connection;External control leak check valve a5 leakage hole Y5, b7 Y7 hydraulic fluid port difference
Pass through piping connection with the hydraulic fluid port of circuit L.
The hydraulic control circuit of the stretching-machine jacking apparatus, the proportional reversing valve 1 are 3-position 4-way Y type.
The hydraulic control circuit of the stretching-machine jacking apparatus, the solenoid directional control valve 6 are two-position four-way.
It is other to be connected as conventional connection.
The hydraulic control circuit for implementing stretching-machine jacking apparatus of the present invention, when band needs jacking upwards, than
P1A1, B1T1 oil circuit of example reversal valve 1 are connected, and solenoid directional control valve 6 charges A6T6, P6B6 oil circuit and connects, and external control leaks check valve
A5, b7 are opened, and are successively passed through leak check valve b 7, proportional reversing valve 1, external control of external control from the high pressure oil of oil sources P01 and are leaked unidirectionally
The plunger shaft of valve a5, the P3 hydraulic fluid port of plug-in overflow valve 3 and jacking apparatus 4, jacking apparatus 4 slowly withstand upwards band it is whole to
Upper movement, when strip flatness reaches requirement, jacking process is completed in pressure maintaining;When jacking apparatus 4 needs to retract downwards, ratio
P1B1, A1T1 oil circuit of reversal valve 1 is connected, and solenoid directional control valve 6 charges A6T6, P6B6 oil circuit and connects, external control leak check valve a5,
External control leaks check valve b7 opening, successively passes through external control from the high pressure oil of oil sources P01 and leaks check valve b7, proportional reversing valve 1, single
To the B2 hydraulic fluid port of valve 2, the rod end chamber of jacking apparatus 4,4 off-load of jacking apparatus slowly moves down, finally stops;Due to band
Material has a reaction force straight down to piston rod, and rod end chamber moment will form vacuum, passes through proportional reversing valve 1
B1T1 hydraulic fluid port oil liquid has little time to add to rod end chamber, at this time can only be by the oil inlet A2 of check valve 2 come repairing, jacking apparatus
4 piston rod is slowly retracted into home position, during the piston of jacking apparatus 4 extends and retracts, plug-in overflow valve 3
It is used as safety valve;Since jacking apparatus 4 has a top lift to band, band has straight down anti-to piston rod
Active force, when the moment that the piston rod of jacking apparatus 4 retracts, rod end chamber will cause emptying phenomenon, and the effect of check valve 2 is exactly
Oil liquid is replenished in time.
Part not in the detailed description of the invention is the prior art.
The embodiment selected herein to disclose goal of the invention of the invention, is presently considered to be suitable, still,
It is to be understood that the present invention is intended to include all changes and improvement that all belong to the embodiment in this design and invention scope.
Claims (3)
1. a kind of hydraulic control circuit of stretching-machine jacking apparatus, the hydraulic control circuit of stretching-machine jacking apparatus, including jacking
Device, plug-in overflow valve, external control leak check valve a, solenoid directional control valve, external control leak check valve b, check valve and ratio commutation
Valve, it is characterized in that: external control leaks, the oil outlet B7 and oil sources P01 of check valve b leaks check valve b's by piping connection, external control
The P1 hydraulic fluid port of oil outlet A and proportional reversing valve leaks check valve a's by piping connection, the A1 hydraulic fluid port and external control of proportional reversing valve
Oil inlet A5 by piping connection, external control leak check valve a oil outlet B5 and jacking apparatus plunger shaft by piping connection,
The P3 hydraulic fluid port of plug-in overflow valve and the plunger shaft of jacking apparatus pass through piping connection, the T3 hydraulic fluid port of plug-in overflow valve and circuit
For O by piping connection, the B1 hydraulic fluid port of proportional reversing valve and the rod end chamber of jacking apparatus pass through piping connection;Check valve it is fuel-displaced
The rod end chamber of mouth B2 and jacking apparatus passes through piping connection, ratio by piping connection, the oil inlet A2 and circuit O of check valve
The T1 hydraulic fluid port and circuit O of reversal valve pass through piping connection, electricity by piping connection, the P6 hydraulic fluid port and oil sources P01 of solenoid directional control valve
For the T6 hydraulic fluid port and circuit L of magnetic reversal valve by piping connection, the B6 hydraulic fluid port of solenoid directional control valve leaks check valve a's with external control respectively
The leak X7 hydraulic fluid port of check valve b of control mouth X5, external control passes through piping connection;External control leak the leakage hole Y5 of check valve a, outside external control
It lets out hydraulic fluid port of the Y7 hydraulic fluid port of check valve b respectively with circuit L and passes through piping connection.
2. the hydraulic control circuit of stretching-machine jacking apparatus according to claim 1, it is characterized in that: the proportional reversing valve
1 is 3-position 4-way Y type.
3. the hydraulic control circuit of stretching-machine jacking apparatus according to claim 1, it is characterized in that: the solenoid directional control valve
6 be two-position four-way.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811157499.1A CN109026865A (en) | 2018-09-30 | 2018-09-30 | Hydraulic control loop of stretcher jacking device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811157499.1A CN109026865A (en) | 2018-09-30 | 2018-09-30 | Hydraulic control loop of stretcher jacking device |
Publications (1)
Publication Number | Publication Date |
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CN109026865A true CN109026865A (en) | 2018-12-18 |
Family
ID=64615892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811157499.1A Pending CN109026865A (en) | 2018-09-30 | 2018-09-30 | Hydraulic control loop of stretcher jacking device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112775198A (en) * | 2020-12-24 | 2021-05-11 | 天津市天锻压力机有限公司 | Hydraulic servo control system of skin stretcher bracket |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105201951A (en) * | 2015-10-16 | 2015-12-30 | 浙江大学 | High-efficiency high-precision controllable-flow TBM (tunnel boring machine) support hydraulic system |
DE102015203404A1 (en) * | 2015-02-26 | 2016-09-01 | Robert Bosch Gmbh | Hydraulic control arrangement for pressure medium supply of a hydraulic actuator |
CN206017285U (en) * | 2016-08-12 | 2017-03-15 | 中色科技股份有限公司 | Stretching-machine stretches the hydraulic control circuit of hydraulic cylinder |
CN206159138U (en) * | 2016-08-10 | 2017-05-10 | 中色科技股份有限公司 | Keep silent clamping device's hydraulic control return circuit of stretcher |
CN107165874A (en) * | 2017-06-29 | 2017-09-15 | 中国重型机械研究院股份公司 | A kind of plate stretch machine stretching cylinder synchronous power save hydraulic composite control system |
CN107830000A (en) * | 2017-10-20 | 2018-03-23 | 龙口矿业集团有限公司 | Stacker-reclaimer pitching hydraulic system |
CN108591145A (en) * | 2018-04-14 | 2018-09-28 | 晋江市火炬油压机械有限公司 | A kind of hydraulic system applied in the small foaming machines of wall board type EVA |
CN209053849U (en) * | 2018-09-30 | 2019-07-02 | 中色科技股份有限公司 | A kind of hydraulic control circuit of stretching-machine jacking apparatus |
-
2018
- 2018-09-30 CN CN201811157499.1A patent/CN109026865A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015203404A1 (en) * | 2015-02-26 | 2016-09-01 | Robert Bosch Gmbh | Hydraulic control arrangement for pressure medium supply of a hydraulic actuator |
CN105201951A (en) * | 2015-10-16 | 2015-12-30 | 浙江大学 | High-efficiency high-precision controllable-flow TBM (tunnel boring machine) support hydraulic system |
CN206159138U (en) * | 2016-08-10 | 2017-05-10 | 中色科技股份有限公司 | Keep silent clamping device's hydraulic control return circuit of stretcher |
CN206017285U (en) * | 2016-08-12 | 2017-03-15 | 中色科技股份有限公司 | Stretching-machine stretches the hydraulic control circuit of hydraulic cylinder |
CN107165874A (en) * | 2017-06-29 | 2017-09-15 | 中国重型机械研究院股份公司 | A kind of plate stretch machine stretching cylinder synchronous power save hydraulic composite control system |
CN107830000A (en) * | 2017-10-20 | 2018-03-23 | 龙口矿业集团有限公司 | Stacker-reclaimer pitching hydraulic system |
CN108591145A (en) * | 2018-04-14 | 2018-09-28 | 晋江市火炬油压机械有限公司 | A kind of hydraulic system applied in the small foaming machines of wall board type EVA |
CN209053849U (en) * | 2018-09-30 | 2019-07-02 | 中色科技股份有限公司 | A kind of hydraulic control circuit of stretching-machine jacking apparatus |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112775198A (en) * | 2020-12-24 | 2021-05-11 | 天津市天锻压力机有限公司 | Hydraulic servo control system of skin stretcher bracket |
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Address after: 471000 Central Lingbo Road, Luoyang High-tech Development Zone, China (Henan) Free Trade Pilot Area, Luoyang City, Henan Province Applicant after: China Nonferrous Metals Processing Technology Co., Ltd. Address before: 471000 Lingbo Road Middle Section of Luoyang High-tech Development Zone, Henan Province Applicant before: China Nonferrous Metals Processing Technology Co., Ltd. |
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