CN105508325B - A kind of coil car hydraulic control system of band ending volume function - Google Patents
A kind of coil car hydraulic control system of band ending volume function Download PDFInfo
- Publication number
- CN105508325B CN105508325B CN201511026219.XA CN201511026219A CN105508325B CN 105508325 B CN105508325 B CN 105508325B CN 201511026219 A CN201511026219 A CN 201511026219A CN 105508325 B CN105508325 B CN 105508325B
- Authority
- CN
- China
- Prior art keywords
- pressure
- hydraulic control
- oil
- valve
- reducing 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.)
- Active
Links
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
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/16—Unwinding or uncoiling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention provides a kind of coil car hydraulic control system of band ending volume function, it is characterised in that：Including the oil cylinder to coil stripping car lifting, the first pressure-reducing valve, the second pressure-reducing valve and solenoid directional control valve；The rodless cavity of described oil cylinder is connected with the oil inlet and oil return opening of system respectively by the first pressure-reducing valve, the rod chamber of oil cylinder is connected with the oil inlet and oil return opening of system respectively by the second pressure-reducing valve, and charge oil pressure of the charge oil pressure more than the second pressure-reducing valve of the first pressure-reducing valve；The oil inlet end of first pressure-reducing valve is equipped with hydraulic control one-way valve with oil outlet end, and the oil inlet end and oil outlet end of the second pressure-reducing valve, which are equipped between hydraulic control one-way valve, four hydraulic control one-way valves, passes through oil communication；The oil inlet of described solenoid directional control valve is connected with system oil inlet, and oil return opening is connected with system oil return mouthful, the connection oil communication of the actuator port of solenoid directional control valve and four hydraulic control one-way valves.The present invention has compact conformation, complete function, takes up an area few advantage, can make pressure roller in the case where not increasing plant equipment using existing coil stripping car and use, so as to reduce the cost input of equipment.
Description
Technical field
It is especially a kind of coil car hydraulic control system of band ending volume function the present invention relates to coiling machine technical field
System.
Background technology
Planisher is completed after rolling, and coiling machine slows down, and into epilog, is prepared to unload volume, if at this moment do not pressed
Coil of strip is lived in tail roll-in, and coil of strip afterbody is easily loose, and conventional crew qiting is, it is necessary under the center line at the rear portion of coiler mandrel
Fang Zengjia sets tail press roller device, but many actual field conditions are due to that existing foundation of civil work area is small, are not often had
There is space to arrange rolling device.In order to not produce loose winding, the case that volume car is used when pressure tail roller will be unloaded in the past by also having, but be due to
Unloading the function of volume car is lifting, connects fortune coil of strip, even if the Hydraulic Circuit Design of coil car has two grades of high-low pressure, but is run
Come, due to inertia force, predetermined action is often can not be completed in the influence of frictional force etc., if using the support of coil stripping car by force
Volume saddle ending easily causes the damage to the key equipment parts such as coiling machine, coil stripping car, therefore specially devises one
The coil car hydraulic control circuit with ending volume function is planted, the coil car for unloading volume is used as pressure tail roller, will be rolled up well
Take machine batch after strip end of reel portion push down, can not only prevent loose winding, eliminate the end of reel scratch, effectively prevent again to coiling machine etc.
The damage of key equipment parts, thoroughly solve due to can not be realized caused by production technology defect coil of strip afterbody be automatically positioned and
The automatic function of unloading volume.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind and applied on volume car is unloaded, and realizes pressure roller function, prevents coil of strip
The coil car hydraulic control system of loose winding band ending volume function.
The technical scheme is that there is provided a kind of coil car hydraulic control of the band ending volume function with following structure
System, including oil cylinder, the first pressure-reducing valve, the second pressure-reducing valve and solenoid directional control valve to coil stripping car lifting；Described oil cylinder
Rodless cavity connected respectively with the oil inlet and oil return opening of system by the first pressure-reducing valve, the rod chamber of oil cylinder passes through the second decompression
Valve is connected with the oil inlet and oil return opening of system respectively；The oil inlet end of first pressure-reducing valve is equipped with hydraulic control one-way valve with oil outlet end,
The oil inlet end and oil outlet end of second pressure-reducing valve, which are equipped between hydraulic control one-way valve, four hydraulic control one-way valves, passes through oil communication；Institute
The oil inlet for the solenoid directional control valve stated is connected with system oil inlet, and oil return opening is connected with system oil return mouthful, the work of solenoid directional control valve
Make the connection oil communication of hydraulic fluid port and four hydraulic control one-way valves.
Hydraulic control one-way valve between first pressure-reducing valve and oil cylinder is the first hydraulic control one-way valve, the first pressure-reducing valve and system
Hydraulic control one-way valve between oil inlet is the second hydraulic control one-way valve, and the first via is connected with the oil inlet of the first hydraulic control one-way valve, the
Two tunnels are connected with the oil inlet of the second hydraulic control one-way valve, and the 3rd tunnel is connected with system oil return mouthful；Second pressure-reducing valve and oil cylinder
Between hydraulic control one-way valve be the 3rd hydraulic control one-way valve, hydraulic control one-way valve between the second pressure-reducing valve and system oil inlet is the 4th
Hydraulic control one-way valve, the first via is connected with the oil inlet of the 3rd hydraulic control one-way valve, the second tunnel and the oil inlet of the 4th hydraulic control one-way valve
Connection, the 3rd tunnel is connected with system oil return mouthful.
Further, the charge oil pressure of first pressure-reducing valve is more than the charge oil pressure of the second pressure-reducing valve.
Further, whole hydraulic control one-way valves are connected with solenoid directional control valve, and by solenoid directional control valve control.
Further, first pressure-reducing valve and the second pressure-reducing valve are three-way pressure reducing valve.
Further, the rodless cavity of the oil cylinder is provided with pressure relay with the connecting line of corresponding hydraulic control one-way valve
Device.
Further, the rod chamber of the oil cylinder is provided with pressure gauge with the connecting line of corresponding hydraulic control one-way valve.
Further, the rodless cavity of the oil cylinder is provided with choke valve with the connecting line of corresponding hydraulic control one-way valve.
After above structure, the present invention has advantages below：
The present invention has compact conformation, complete function, takes up an area few advantage, can in the case where not increasing plant equipment,
Pressure roller is made using existing coil stripping car to use, so as to reduce the cost input of equipment.
Brief description of the drawings
Fig. 1 rolls up the hydraulic pressure of a wherein embodiment for the coil car hydraulic control system of function for a kind of band ending of the present invention
Schematic diagram.
As shown in the figure：1.01st, the 4th hydraulic control one-way valve, the 1.02, second hydraulic control one-way valve, the 1.03, the 3rd hydraulic control one-way valve,
1.04th, the first hydraulic control one-way valve, the 2.01, second pressure-reducing valve, the 2.02, first pressure-reducing valve, 3.01, solenoid directional control valve, 4.01, throttling
Valve, 5.01, pressure gauge, 6.01, pressure switch.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of coil car hydraulic control system of band ending volume function of the present invention, including to coil stripping car
The oil cylinder of lifting, the first pressure-reducing valve 2.02, the second pressure-reducing valve 2.01 and solenoid directional control valve 3.01；The rodless cavity of described oil cylinder
Connected respectively with the oil inlet and oil return opening of system by the first pressure-reducing valve 2.02, the rod chamber of oil cylinder passes through the second pressure-reducing valve
2.01 connect with the oil inlet and oil return opening of system respectively, and the charge oil pressure of the first pressure-reducing valve 2.02 is more than the second pressure-reducing valve
2.01 charge oil pressure；The oil inlet end of first pressure-reducing valve 2.02 is equipped with hydraulic control one-way valve, the second pressure-reducing valve 2.01 with oil outlet end
Oil inlet end and oil outlet end be equipped between hydraulic control one-way valve, four hydraulic control one-way valves and pass through oil communication；Described electromagnetism is changed
Connected to the oil inlet of valve 3.01 with system oil inlet, oil return opening is connected with system oil return mouthful, the work of solenoid directional control valve 3.01
The connection oil communication of hydraulic fluid port and four hydraulic control one-way valves.
Hydraulic control one-way valve between first pressure-reducing valve 2.02 and oil cylinder is the first hydraulic control one-way valve 1.04, the first decompression
Hydraulic control one-way valve between valve 2.02 and system oil inlet is the second hydraulic control one-way valve 1.02, wherein the first pressure-reducing valve 2.02 is three
Logical pressure-reducing valve, the first via is connected with the oil inlet of the first hydraulic control one-way valve 1.04, the second tunnel and the second hydraulic control one-way valve 1.02
Oil inlet is connected, and the 3rd tunnel is connected with system oil return mouthful；Hydraulic control one-way valve between second pressure-reducing valve 2.01 and oil cylinder is
3rd hydraulic control one-way valve 1.03, the hydraulic control one-way valve between the second pressure-reducing valve 2.01 and system oil inlet is the 4th hydraulic control one-way valve
1.01, wherein the second pressure-reducing valve 2.01 is also three-way pressure reducing valve, the first via is connected with the oil inlet of the 3rd hydraulic control one-way valve 1.03,
Second tunnel is connected with the oil inlet of the 4th hydraulic control one-way valve 1.01, and the 3rd tunnel is connected with system oil return mouthful.Whole hydraulic control one-way valves
It is connected, and is controlled by solenoid directional control valve 3.01 with solenoid directional control valve 3.01.The rodless cavity of the oil cylinder and corresponding hydraulic control list
Choke valve 4.01 and pressure switch 6.01 are provided with to the connecting line of valve.The rod chamber of the oil cylinder and corresponding hydraulic control list
Pressure gauge 5.01 is provided with to the connecting line of valve.
During work, first pressure-reducing valve 2.02 gives the rodless cavity of coil stripping car lift cylinder with fixed oil pressure (5MPa)
Fuel feeding；The same rod chamber fuel feeding with fixed oil pressure (1.5MPa) to coil stripping car lift cylinder of second pressure-reducing valve 2.01, PA、
PBIt is respectively acting on the rodless cavity and rod chamber of oil cylinder, forms constant pressure F, be pressed against on coil of strip, it is ensured that coil of strip not loose winding.
When take-up, the diameter of coil of strip is constantly increasing coiler mandrel, coil of strip compressing coil stripping car oil cylinder down move, oil cylinder without
The hydraulic oil of rod cavity can return to fuel tank by the second pressure-reducing valve；Cylinder rod chamber can obtain repairing by the first pressure-reducing valve, unlikely
In being emptied, the hydraulic system can realize that the lift cylinder of coil stripping car follows coil of strip to move up and down, and keep fixed pressure.Pressure
Relay 6.01 detects oil cylinder rodless cavity pressure, gives electrical system sender.When needing pressure roller function to put into, solenoid directional control valve
3.01 obtain electric, and hydraulic control one-way valve is opened, oil cylinder rodless cavity pressure and rod chamber pressure incision system；The technical process knot of pressure roller
Shu Hou, solenoid directional control valve dead electricity, hydraulic control one-way valve is closed, and the oil cylinder rodless cavity pressure and rod chamber pressure in the loop exit and be
System.Unload volume car and obtain coil of strip, it is necessary to which when declining, the down maneuver of coil car is completed by other hydraulic circuits.
The preferred embodiment of invention is the foregoing is only, is not intended to limit the invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. a kind of coil car hydraulic control system of band ending volume function, it is characterised in that：Including to coil stripping car lifting
Oil cylinder, the first pressure-reducing valve, the second pressure-reducing valve and solenoid directional control valve；The rodless cavity of described oil cylinder by the first pressure-reducing valve respectively with
The oil inlet of system is connected with oil return opening, the oil inlet and oil return opening of the rod chamber of oil cylinder by the second pressure-reducing valve respectively with system
Connection, oil inlet end and the oil outlet end of the first pressure-reducing valve are equipped with hydraulic control one-way valve, and the oil inlet end and oil outlet end of the second pressure-reducing valve are equal
Provided with hydraulic control one-way valve, oil communication is passed through between four hydraulic control one-way valves；The oil inlet and system of described solenoid directional control valve
Oil inlet is connected, and oil return opening is connected with system oil return mouthful, the connection of the actuator port of solenoid directional control valve and four hydraulic control one-way valves
Oil communication；The charge oil pressure of first pressure-reducing valve is more than the charge oil pressure of the second pressure-reducing valve.
2. the coil car hydraulic control system of band ending volume function according to claim 1, it is characterised in that：Described first
Hydraulic control one-way valve between pressure-reducing valve and oil cylinder is the first hydraulic control one-way valve, the hydraulic control between the first pressure-reducing valve and system oil inlet
Check valve is the second hydraulic control one-way valve, and the first via is connected with the oil inlet of the first hydraulic control one-way valve, the second tunnel and the second hydraulic control list
Connected to the oil inlet of valve, the 3rd tunnel is connected with system oil return mouthful；Hydraulic control one-way valve between second pressure-reducing valve and oil cylinder
For the 3rd hydraulic control one-way valve, the hydraulic control one-way valve between the second pressure-reducing valve and system oil inlet is the 4th hydraulic control one-way valve, first
The oil inlet connection of the hydraulic control one-way valves of Lu Yu tri-, the second tunnel is connected with the oil inlet of the 4th hydraulic control one-way valve, and the 3rd tunnel is with being
Oil return opening of uniting is connected.
3. a kind of coil car hydraulic control system of band ending volume function according to claim 2, it is characterised in that：It is described
Whole hydraulic control one-way valves are connected with solenoid directional control valve, and by solenoid directional control valve control.
4. a kind of coil car hydraulic control system of band ending volume function according to claim 2, it is characterised in that：It is described
First pressure-reducing valve and the second pressure-reducing valve are three-way pressure reducing valve.
5. a kind of coil car hydraulic control system of band ending volume function according to claim 1, it is characterised in that：It is described
The rodless cavity of oil cylinder is provided with pressure switch with the connecting line of corresponding hydraulic control one-way valve.
6. a kind of coil car hydraulic control system of band ending volume function according to claim 1, it is characterised in that：It is described
The rod chamber of oil cylinder is provided with pressure gauge with the connecting line of corresponding hydraulic control one-way valve.
7. a kind of coil car hydraulic control system of band ending volume function according to claim 1, it is characterised in that：It is described
The rodless cavity of oil cylinder is provided with choke valve with the connecting line of corresponding hydraulic control one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026219.XA CN105508325B (en) | 2015-12-31 | 2015-12-31 | A kind of coil car hydraulic control system of band ending volume function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026219.XA CN105508325B (en) | 2015-12-31 | 2015-12-31 | A kind of coil car hydraulic control system of band ending volume function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508325A CN105508325A (en) | 2016-04-20 |
| CN105508325B true CN105508325B (en) | 2017-10-17 |
Family
ID=55716549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511026219.XA Active CN105508325B (en) | 2015-12-31 | 2015-12-31 | A kind of coil car hydraulic control system of band ending volume function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508325B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030115A (en) * | 2017-06-06 | 2017-08-11 | 攀钢集团西昌钢钒有限公司 | A kind of coiling machine unloads volume car hydraulic circuit and control method |
| CN108772423B (en) * | 2018-05-25 | 2020-01-03 | 中铝瑞闽股份有限公司 | Control method for eliminating tray print at tail of strip |
| CN109139586B (en) * | 2018-10-16 | 2023-08-18 | 大连华东液压件有限公司 | Variable-pressure type underwater pelletizer cutterhead moving hydraulic system and working method thereof |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58159922A (en) * | 1982-03-18 | 1983-09-22 | Mitsubishi Heavy Ind Ltd | Strip taking-up device |
| ZA837137B (en) * | 1982-10-22 | 1984-06-27 | Kennecott Corp | Electrohydraulic drive for process line winders,unwinders and other equipment |
| CN100579679C (en) * | 2007-03-29 | 2010-01-13 | 中冶南方工程技术有限公司 | Method and apparatus for flattening high-deep drawing performance cold-rolling band steel |
| CN102407238B (en) * | 2011-11-21 | 2014-01-01 | 中色科技股份有限公司 | Hydraulic control loop for ironing roller device |
| CN202851484U (en) * | 2012-07-25 | 2013-04-03 | 中色科技股份有限公司 | Hydraulic lift system of high-low pressure controlled trolley |
| CN103693476B (en) * | 2013-09-17 | 2015-12-23 | 西安麦特沃金液控技术有限公司 | The single multiple field winder of tape article |
| CN103658231B (en) * | 2013-11-05 | 2017-01-04 | 中色科技股份有限公司 | A kind of hydraulic control circuit of cantilevered coiler press-roller/ironing roller device |
| CN104085726B (en) * | 2014-06-25 | 2016-06-01 | 中国重型机械研究院股份公司 | A kind of pneumatic control system for coiler press-roller and method |
-
2015
- 2015-12-31 CN CN201511026219.XA patent/CN105508325B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105508325A (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105508325B (en) | A kind of coil car hydraulic control system of band ending volume function | |
| CN107575424B (en) | A kind of emergency release hydraulic system | |
| CN107188062B (en) | A kind of hydraulic system of crude oil exporting winch automatic tube-arranging device | |
| CN104564885A (en) | High-integration bidirectional rotary valve for pilot control mode | |
| CN104444866B (en) | Control system of telescopic mechanism and crane with same | |
| CN203886974U (en) | Coiling machine dabber harmomegathus controlling means | |
| CN102407238B (en) | Hydraulic control loop for ironing roller device | |
| CN202590890U (en) | High-performance vertical mill hydraulic system | |
| CN215154999U (en) | Full-hydraulic emergency steering system and engineering machinery | |
| CN107030115A (en) | A kind of coiling machine unloads volume car hydraulic circuit and control method | |
| CN105114379A (en) | Lifting platform and hydraulic system thereof | |
| CN102678650A (en) | Double-pump converging oil-filling valve | |
| CN106089839A (en) | A kind of valve group for passive heave compensation system and there is the system of this valve group | |
| CN103434964A (en) | Control air channel of manned air winch | |
| CN2923623Y (en) | Graded expanding type unrolling machine | |
| CN203529840U (en) | Steel wire rope winding device | |
| CN202851481U (en) | Hydraulic control device of connecting shaft bracket | |
| CN207111551U (en) | A kind of coil stripping car lifting hydraulic control system | |
| CN105114378B (en) | A kind of big bag accident turns round manual logic control hydraulic means | |
| CN104912857A (en) | Multi-way valve | |
| CN104976175B (en) | Coil Box uncoiling arm swing hydraulic circuit | |
| CN110465559B (en) | Strip steel coiling and uncoiling method and system | |
| CN103846403A (en) | Pressure-reducing and pressure-maintaining loop hydraulic system of tube drawing clamp | |
| CN204400251U (en) | The batch up gear that slip-skid prevention is settled down | |
| CN204003686U (en) | Mine hoist hydraulic station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |