CN204921504U - Stamping equipment's hydraulic control device - Google Patents
Stamping equipment's hydraulic control device Download PDFInfo
- Publication number
- CN204921504U CN204921504U CN201520636321.0U CN201520636321U CN204921504U CN 204921504 U CN204921504 U CN 204921504U CN 201520636321 U CN201520636321 U CN 201520636321U CN 204921504 U CN204921504 U CN 204921504U
- Authority
- CN
- China
- Prior art keywords
- solenoid valve
- pump
- control circuit
- pressure
- hydraulic cylinder
- 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
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model provides a stamping equipment's hydraulic control device has oil storage tank [ 1 ], pump [ 4 ], pump two [ 26 ], solenoid valve [ 7 ], solenoid valve two [ 22 ], solenoid valve three [ 14 ], goes back to oil pipe, pneumatic cylinder [ 17 ], level sensor [ 3 ], pressure sensor [ 15 ] etc.. The utility model discloses with two pump cooperation pneumatic cylinders to can make quick liquid feeding before up to standard pressure value, and maintain pressure with a pump and reduce consumption after up to standard pressure value. Start -up that again will main motor and stop with pressure sensor's signal interrelatedly makes just to start when pressure up to standard pressure value and reach and in time shut down when warning pressure. The pressure release pipeline has still been set up before the pneumatic cylinder, timely pressure release when pressure reaches warning pressure. Compared with the prior art, the utility model discloses protect the complete machine, make stamping equipment only work the working life and the security that have improved stamping equipment when pressure is suitable.
Description
Technical field
The utility model relates to a kind of hydraulic control device of punching equipment.
Background technique
Many punching equipments employ hydraulic pressure installation, have hydraulic pressure installation that hydraulic control device just must be had to carry out work to make hydraulic pressure installation by design idea.The hydraulic control device of existing punching equipment is all merely manipulate hydraulic pressure installation, lacks the protection to punching equipment.
Summary of the invention
For above-mentioned deficiency, the utility model is exactly to provide a kind of while operating hydraulic pressure installation, by the hydraulic control device of pressure change to the punching equipment that punching equipment is protected in hydraulic system.
The hydraulic control device of the punching equipment that the utility model provides, there are oil storage tank, pump, ram body fluid cylinder pressure, solenoid valve and pipeline, oil storage tank, pump, solenoid valve, oil hydraulic cylinder couple together by pipeline successively, wherein pump has two, pump is connected to oil hydraulic cylinder once solenoid valve one, and pump two is connected to the outlet of pump one through solenoid valve two; Before oil hydraulic cylinder, pressure transducer is installed, also connects oil storage tank through solenoid valve three; Have control circuit, have comparison circuit in control circuit and be provided with two comparison values, one is reference pressure value, and another guards against force value; Pressure transducer connection control circuit signal input; Solenoid valve one connection control circuit signal output terminal one, solenoid valve two connection control circuit signal output terminal two, solenoid valve three connection control circuit signal output terminal three, punching equipment mair motor connection control circuit signal output terminal four; When pressure transducer detects reference pressure value, signal output part two sends pick-off signal, signal output part four sends actuating signal; When pressure transducer detects warning force value, signal output part one sends pick-off signal, signal output part four sends stop signal, signal is opened in signal output part three transmission.
There is a kind of punching equipment, its ram body has the stationary platen fixed with punch rod and the traveling table be connected by hydraulic pressure installation, to make by piston in hydraulic pressure installation relative to the distance between the Relative motion control traveling table between sepage cylinder pressure and stationary platen, thus realize the certain operations requirement in stamping process.Described ram body fluid cylinder pressure is exactly the oil hydraulic cylinder in ram body in oil gear.
The hydraulic control device of the punching equipment that the utility model provides, with two pumps fluid,matching cylinder pressure, thus can make Rapid Freon-feeding before reaching reference pressure value, and maintains pressure minimizing consumption with a pump after reaching reference pressure value.Again the startup of mair motor and stopping are associated with the signal of pressure transducer, make to shut down in time when just starting when pressure reaches reference pressure value and reach warning pressure.Also before oil hydraulic cylinder, be provided with pressure relief pipe, the timely pressure release when pressure reaches warning pressure.Compared with prior art, the utility model is protected complete machine, punching equipment is only worked when pressure is suitable, improves operating life and the Security of punching equipment.
Relief valve one is had to connect oil storage tank before described solenoid valve one.
Relief valve two is had to connect oil storage tank before described solenoid valve two.
Relief valve three is had to connect oil storage tank before described oil hydraulic cylinder.
The reliability that the setting of each relief valve works under safety pressure with raising system.
The hydraulic control device of the punching equipment that the utility model provides, described solenoid valve two is two-bit triplet solenoid valves, and its import connects pump two, two and exports the outlet and punching equipment lubrication system that connect pump one respectively; Conducting import and pump one when solenoid valve two is energized, conducting import and lubrication system during dead electricity.While mair motor is started working, lubrication system obtains fuel feeding.
Described lubrication system has pipeline to connect the import of pump three, and pump three exports and connects oil storage tank, and the control circuit of pump three is connected with oil storage tank liquid level sensor, and when liquid level drops to predefined value, control circuit sends actuating signal to pump three.Guarantee lubrication system like this not trapped fuel too much and oil storage tank have enough trapped fuel, raising job security.
Described lubrication system has pipeline Bonding pressure sensor two, control circuit signal there is pressure transducer binary signal input end, the minimum oil pressure value of lubrication system has been deposited in control circuit, when the pressure signal that pressure transducer two provides is lower than minimum oil pressure value, the signal output part four of control circuit sends stop signal.
The hydraulic control device of the punching equipment that the utility model provides, punching equipment is configured with ram body auxiliary hydraulic cylinder, and during the oiling of auxiliary hydraulic cylinder, piston rod action is contrary with hydraulic cylinder piston rod direction of action; Described solenoid valve one is 3-position 4-way reversing solenoid valve, two outlets connecting fluid cylinder pressure and auxiliary hydraulic cylinder respectively, and filler opening connects pump one and exports, and return opening connects oil storage tank; During the energising of left position, filler opening is connected with oil hydraulic cylinder, return opening is connected with auxiliary hydraulic cylinder, and when right position is energized, filler opening is connected with auxiliary hydraulic cylinder, and return opening is connected with oil hydraulic cylinder, and during dead electricity, oil hydraulic cylinder is all connected with return opening with auxiliary hydraulic cylinder; Have auxiliary hydraulic cylinder control circuit, the right bit line circle of solenoid valve one is connected with auxiliary hydraulic cylinder control circuit, and auxiliary hydraulic cylinder control circuit is connected with power supply line after a diverter switch with the power line of control circuit.An energising selected by auxiliary hydraulic cylinder control circuit and control circuit, to meet the requirement that position about solenoid valve can not be energized simultaneously, also meet auxiliary hydraulic cylinder different from oil hydraulic cylinder time oiling requirement, be in fact meet adjustment and maintenance ram body different from stamping press time the requirement carried out.
Accompanying drawing explanation
Accompanying drawing 1 is the oil circuit figure of the utility model one embodiment, in figure: 1-oil storage tank, 2-temperature transducer, 3-liquid level sensor, 4-pump one, 5-one-way valve one, 6-relief valve one, 7-solenoid valve one, the left position of 7a-7, the right position of 7b-7, 8-one-way valve, 9-one-way throttle valve two, 10-contends with valve, 11-relief valve three, 12-one-way throttle valve one, 13-one-way valve three, 14-solenoid valve three, 15-pressure transducer, 16-auxiliary hydraulic cylinder, 17-oil hydraulic cylinder, 18-pressure transducer two, 19-lubrication system, 20-pump three, 21-one-way valve four, 22-solenoid valve two, 23-relief valve two, 24-cooler, 25-filter, 26-pump two, 27-one-way valve two.
Embodiment
The hydraulic control device of one punching equipment, wherein oil channel structures as shown in Figure 1.Have an oil storage tank 1, it be provided with temperature transducer 2 and liquid level sensor 3, and other ensure public security, keep a public place clean, thermal insulation apparatus.Have the suction pipe of pump 1 to insert in oil storage tank, the outlet of pump one is mounted on the oil hydraulic cylinder 17 between ram body fixed platform and movable platform through solenoid valve 1.Have the suction pipe of pump 2 26 to insert in oil storage tank, the outlet of pump two connects the outlet of pump one through solenoid valve 2 22.Before the transport pipe that pump one exports is connected with the transport pipe that pump two exports, one-way valve 1 and one-way valve 2 27 are installed respectively, avoid the delivery pressure of two pumps to repeal by implication.The outlet of pump two is provided with before one-way valve two relief valve 2 23 and connects oil storage tank through return tube, relief valve 1 is installed between solenoid valve one with one-way valve one and is connected oil storage tank through return tube.On transport pipe between solenoid valve one and ram body fluid cylinder pressure, pressure transducer 15 is installed before oil hydraulic cylinder and is connected oil storage tank with return tube through solenoid valve 3 14.Above-mentioned solenoid valve one is three position four-way directional control valve, its filler opening connects one-way valve one, return opening connects return tube, the oil outlet connecting fluid cylinder pressure of left position 7a path, the oil outlet of right position 7b path connects auxiliary hydraulic cylinder 16, so-called auxiliary hydraulic cylinder is mounted in the hydraulic pressure installation between ram body fixed platform and movable platform, and its oiling back piston activity direction is contrary with piston movement direction in ram body fluid cylinder pressure.Right position oil outlet is provided with one-way throttle valve 29, left position oil outlet is provided with one-way valve 8 and one-way throttle valve one 12, two one-way throttle valves and an one-way valve in order to adjust the speed of the spacing change of ram body two platforms.On the oil outlet of right position, transport pipe is also provided with the valve 10 that contends with before auxiliary hydraulic cylinder, and the flow-off doing weighing apparatus valve connects oil storage tank through return tube.Each relief valve and contend with valve in order to control working hydraulic pressure, to ensure safety.Solenoid valve two is two-bit triplet solenoid valve (are two position four-way solenoid valves in figure but return opening does not use), and during its energising, oil outlet connects pump one and exports, and during dead electricity, oil outlet connects the lubrication system 19 of punching equipment through transport pipe.Lubrication system fuel supply line is provided with pressure transducer 2 18.Lubrication system has return tube to connect oil storage tank, return tube is provided with pump 3 20, and the suction port of pump three connects lubrication system, the outlet of pump three is provided with cooler 24 and filter 25, is cooled and filter to make oil return.One-way valve 4 21 also installed by the return tube that pump three exports, and one-way valve four is arranged on pump two and exports, and relief valve two is connected between one-way valve four and cooler, and the conducting direction of one-way valve four points to oil storage tank, do not affect pump two work to make overflow oil return.Solenoid valve three is 2/2-way solenoid valve, conducting return tube during its energising, relief valve 3 11 is also installed between solenoid valve three and solenoid valve one and is connected to the return tube that solenoid valve three exports, the return tube that solenoid valve three exports first is installed the flow-off that one-way valve 3 13 connects relief valve three again.Oil storage tank is pointed to make the flow direction of oil.The conducting direction of one-way valve three points to oil storage tank, do not affect solenoid valve three oil extraction to make overflow oil return.
The control circuit that this hydraulic control device configures, has two pieces, and one piece of control circuit when being punching equipment work, control circuit when another block is adjustment ram body, two pieces of circuit manually diverter switch are connected on power supply, make alternatively to work.Control circuit wherein during punching equipment work is: have comparison circuit in control circuit and be provided with two comparison values, one is reference pressure value, and another guards against force value; Pressure transducer connection control circuit signal input; Solenoid valve one left bit line circle connection control circuit signal output terminal one, solenoid valve two connection control circuit signal output terminal two, solenoid valve three connection control circuit signal output terminal three, punching equipment mair motor connection control circuit signal output terminal four; When pressure transducer detects reference pressure value, signal output part two sends pick-off signal, signal output part four sends actuating signal.When ram body cylinder pressure reaches normal operating pressure, pump two switches to lubrication system fuel feeding through solenoid valve two exactly, and ram body fluid cylinder pressure internal pressure is continued to maintain by pump one.When pressure transducer detects warning force value, signal output part one sends pick-off signal, signal output part four sends stop signal, signal is opened in signal output part three transmission.Exactly when ram body cylinder pressure exceeds normal range (NR), the left position of solenoid valve one stops quitting work to oil hydraulic cylinder fuel feeding, the pressure release of solenoid valve three-dimensional oil storage tank, main frame.Have comparison circuit two in control circuit and be provided with lubrication pressure minimum, the signal of pressure transducer two is as during lower than this minimum after relatively, and signal output part four sends stop signal.Exactly when in lubrication system during low on fuel main frame do not work, to protect punching equipment.Oil storage tank liquid level sensor connection control circuit, control circuit has signal output part to be connected with pump three starting circuit, and when liquid level drops to predefined value, control circuit sends actuating signal to pump three.Be exactly oil storage tank liquid level too low time illustrate that the trapped fuel amount in lubrication system is excessive, then by pump three sucking-off oil return to oil storage tank.Control circuit during lubrication system adjustment ram body, i.e. auxiliary hydraulic cylinder control circuit, the right bit line circle of solenoid valve one is connected with auxiliary hydraulic cylinder control circuit, and in this example, auxiliary hydraulic cylinder control circuit is exactly a solenoid valve starting circuit.
Claims (9)
1. the hydraulic control device of a punching equipment, there are oil storage tank, pump, ram body fluid cylinder pressure, solenoid valve and pipeline, oil storage tank, pump, solenoid valve, oil hydraulic cylinder couple together by pipeline successively, it is characterized in that described pump has two, pump is connected to oil hydraulic cylinder once solenoid valve one, and pump two is connected to the outlet of pump one through solenoid valve two; Before oil hydraulic cylinder, pressure transducer is installed, also connects oil storage tank through solenoid valve three; Have control circuit, have comparison circuit in control circuit and be provided with two comparison values, one is reference pressure value, and another guards against force value; Pressure transducer connection control circuit signal input; Solenoid valve one connection control circuit signal output terminal one, solenoid valve two connection control circuit signal output terminal two, solenoid valve three connection control circuit signal output terminal three, punching equipment mair motor connection control circuit signal output terminal four; When pressure transducer detects reference pressure value, signal output part two sends pick-off signal, signal output part four sends actuating signal; When pressure transducer detects warning force value, signal output part one sends pick-off signal, signal output part four sends stop signal, signal is opened in signal output part three transmission.
2. the hydraulic control device of punching equipment as claimed in claim 1, has relief valve one to connect oil storage tank before it is characterized in that described solenoid valve one.
3. the hydraulic control device of punching equipment as claimed in claim 1, has relief valve two to connect oil storage tank before it is characterized in that described solenoid valve two.
4. the hydraulic control device of punching equipment as claimed in claim 1, has relief valve three to connect oil storage tank before it is characterized in that described oil hydraulic cylinder.
5. the hydraulic control device of punching equipment as claimed in claim 1 or 2 or 3 or 4, is characterized in that described solenoid valve two is two-bit triplet solenoid valves, and its import connects pump two, two and exports the outlet and punching equipment lubrication system that connect pump one respectively; Conducting import and pump one when solenoid valve two is energized, conducting import and lubrication system during dead electricity.
6. the hydraulic control device of punching equipment as claimed in claim 5, it is characterized in that described lubrication system has pipeline to connect the import of pump three, pump three exports and connects oil storage tank, the control circuit of pump three is connected with oil storage tank liquid level sensor, and when liquid level drops to predefined value, control circuit sends actuating signal to pump three.
7. the hydraulic control device of punching equipment as claimed in claim 5, the oil feed line that it is characterized in that described lubrication system is provided with pressure transducer two, control circuit signal there is pressure transducer binary signal input end, the minimum oil pressure value of lubrication system has been deposited in control circuit, when the pressure signal that pressure transducer two provides is lower than minimum oil pressure value, the signal output part four of control circuit sends stop signal.
8. the hydraulic control device of punching equipment as claimed in claim 6, the oil feed line that it is characterized in that described lubrication system is provided with pressure transducer two, control circuit signal there is pressure transducer binary signal input end, the minimum oil pressure value of lubrication system has been deposited in control circuit, when the pressure signal that pressure transducer two provides is lower than minimum oil pressure value, the signal output part four of control circuit sends stop signal.
9. the hydraulic control device of punching equipment as claimed in claim 1 or 2 or 3 or 4, is characterized in that described punching equipment is configured with ram body auxiliary hydraulic cylinder, and during the oiling of auxiliary hydraulic cylinder, piston rod action is contrary with hydraulic cylinder piston rod direction of action; Described solenoid valve one is 3-position 4-way reversing solenoid valve, two outlets connecting fluid cylinder pressure and auxiliary hydraulic cylinder respectively, and filler opening connects pump one and exports, and return opening connects oil storage tank; During the energising of solenoid valve one left position, filler opening is connected with oil hydraulic cylinder, return opening is connected with auxiliary hydraulic cylinder, and when right position is energized, filler opening is connected with auxiliary hydraulic cylinder, and return opening is connected with oil hydraulic cylinder, and during dead electricity, oil hydraulic cylinder is all connected with return opening with auxiliary hydraulic cylinder; Have auxiliary hydraulic cylinder control circuit, the right bit line circle of solenoid valve one is connected with auxiliary hydraulic cylinder control circuit, and auxiliary hydraulic cylinder control circuit is connected with power supply line after a diverter switch with the power line of control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636321.0U CN204921504U (en) | 2015-08-24 | 2015-08-24 | Stamping equipment's hydraulic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636321.0U CN204921504U (en) | 2015-08-24 | 2015-08-24 | Stamping equipment's hydraulic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921504U true CN204921504U (en) | 2015-12-30 |
Family
ID=54970637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520636321.0U Active CN204921504U (en) | 2015-08-24 | 2015-08-24 | Stamping equipment's hydraulic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035920A (en) * | 2017-12-08 | 2018-05-15 | 浙江新昌三瑞香雪冲业有限公司 | The hydraulic mechanism of hydraulic stamping apparatus |
| CN113251015A (en) * | 2021-06-21 | 2021-08-13 | 无锡航试电液***有限公司 | Switchable servo hydraulic oil source control system |
-
2015
- 2015-08-24 CN CN201520636321.0U patent/CN204921504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035920A (en) * | 2017-12-08 | 2018-05-15 | 浙江新昌三瑞香雪冲业有限公司 | The hydraulic mechanism of hydraulic stamping apparatus |
| CN113251015A (en) * | 2021-06-21 | 2021-08-13 | 无锡航试电液***有限公司 | Switchable servo hydraulic oil source control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10302101B2 (en) | Hydraulic drive with rapid stroke and load stroke | |
| CN103899586B (en) | A kind of super sized type guillotine shear synchronization hydraulic system based on flow divider-combiner | |
| CN103807239B (en) | A kind of shear plate synchronous control hydraulic system based on Dual-output shaft motor | |
| CN203176024U (en) | Shearing machine hydraulic control system | |
| CN204704167U (en) | Double loop energy storage type hydraulic control slow closing valve hydraulic station | |
| CN102518609B (en) | High Speed Punch Hydraulic System | |
| CN104895967B (en) | Control pipeline used for braking system of servo press | |
| CN204921504U (en) | Stamping equipment's hydraulic control device | |
| CN101444887B (en) | Hydraulic system of press stripper | |
| CN103801751A (en) | Full-automatic plate shearing machine hydraulic system on basis of PLC control | |
| CN105465068A (en) | Oil supply method of hydraulic oil supply system | |
| CN104006015A (en) | Pressure maintaining and speed stabilizing hydraulic system of hydraulic machine | |
| CN202418062U (en) | Hydraulic system | |
| CN109570479A (en) | Oil sump casting machine | |
| CN203879827U (en) | Servo drive hydraulic system | |
| CN202613006U (en) | Lubricating oil injection system | |
| CN203900596U (en) | High-speed cutting device | |
| CN210949318U (en) | Quick return hydraulic system of shearing machine | |
| CN102926359A (en) | Manual and electric dual-purpose integrated hydraulic hoist | |
| CN109322881B (en) | Double-station horizontal plate shearing machine and hydraulic system and application thereof | |
| CN203696090U (en) | Full-automatic plate shearer hydraulic system based on PLC (programmable logic controller) control | |
| CN211489559U (en) | Die casting device with side cut function | |
| CN202468560U (en) | High-speed punching hydraulic loop of hydraulic punching machine | |
| CN205371123U (en) | Hydraulic pressure slidingtype watertight hydraulic system for door | |
| CN103343762A (en) | Power-driven hydraulic control device for lifting support bridge and control method of power-driven hydraulic control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 316000 Zhejiang, Zhoushan Province, salt District, the streets of the new head (Zhoushan Economic Development Zone, Lingang block) Patentee after: Longwen Zhejiang precision equipment Limited by Share Ltd Address before: Dinghai District Yancang street new screw head 316000 Zhejiang city of Zhoushan province (Lingang Industrial Park) Patentee before: Zhejiang Longwen Machinery Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 316000 xinluotou, Yancang street, Dinghai District, Zhoushan City, Zhejiang Province (Lingang block, Zhoushan Economic Development Zone) Patentee after: Zhejiang Longwen precision equipment Co.,Ltd. Address before: 316000 xinluotou, Yancang street, Dinghai District, Zhoushan City, Zhejiang Province (Lingang block, Zhoushan Economic Development Zone) Patentee before: ZHEJIANG LONGWEN PRECISION EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |