CN106925742A - A kind of hydraulic system based on cold-chamber die casting machine - Google Patents
A kind of hydraulic system based on cold-chamber die casting machine Download PDFInfo
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- CN106925742A CN106925742A CN201710145630.1A CN201710145630A CN106925742A CN 106925742 A CN106925742 A CN 106925742A CN 201710145630 A CN201710145630 A CN 201710145630A CN 106925742 A CN106925742 A CN 106925742A
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- die casting
- hydraulic system
- casting machine
- oil cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/2023—Nozzles or shot sleeves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses a kind of hydraulic system based on cold-chamber die casting machine.Wherein, the hydraulic system includes：The top-ranked unit for driving die casting machine thimble, the dnockout unit for driving die casting machine injection part and the mode locking unit for driving die casting machine compression mod；The thimble unit and mode locking unit have one or more double proportioning valves；Described pair of proportioning valve is arranged in action circuit, is used to drive the actuating mechanism of the thimble unit and mode locking unit to perform predetermined action.The hydraulic system has used the control that double proportioning valves are used to realize the action for die casting machine instead so that in press casting procedure, translational speed is improved die casting machine, and the smooth-going of overall operation process, stabilization, it is not easy to shake, it is ensured that the realization of extrusion process.
Description
Technical field
The present invention relates to technical field of hydraulic, more particularly to a kind of hydraulic system based on cold-chamber die casting machine.
Background technology
Die casting machine is the common equipment for carrying out metal mold compression casting, generally according to pressure chamber and alloy melting stove whether
Being connected as a single entity can be divided into hot chamber machine and the major class of cold-chamber die casting machine two.In whole die casting public good, generally include successively such as
Under several main motion flows：Close the door, locked mode, dnockout, die sinking, thimble, sweep arm, spraying and circulation etc..For different
The action process such as workpiece or technological requirement, locked mode, the dnockout of die casting machine need to obey the work of certain pressure and speed etc.
Skill parameter setting is, it is necessary to the control for realizing acting die casting machine by hydraulic system.In the hydraulic system control of existing die casting machine
During system, due to the limitation of hydraulic system, die casting machine responsiveness is slower, occurs vibrations often, and strength is smaller, for pressure
Foundry work sequence affects.
Therefore, prior art is also to be developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art part, it is an object of the invention to provide a kind of liquid based on cold-chamber die casting machine
Pressure system, it is intended to solve hydraulic system responsiveness in the prior art and slowly, run the problem of not enough smooth-going.
In order to achieve the above object, this invention takes following technical scheme：
A kind of hydraulic system based on cold-chamber die casting machine, wherein, the hydraulic system includes：Drive the top list of die casting machine thimble
The mode locking unit of unit, the dnockout unit for driving die casting machine injection part and driving die casting machine compression mod；
The thimble unit and mode locking unit have one or more double proportioning valves；Described pair of proportioning valve is arranged on action circuit
In, it is used to drive the actuating mechanism of the thimble unit and mode locking unit to perform predetermined action.
Described hydraulic system, wherein, the thimble unit includes thimble oil cylinder, at least two core pulling oil cylinders and first
Double proportioning valves；
The thimble oil cylinder and core pulling oil cylinder are connected by first pair of proportioning valve with oil circuit respectively；
First pair of proportioning valve is predetermined to control the thimble oil cylinder and core pulling oil cylinder to perform according to predetermined control instruction
Action.
Described hydraulic system, wherein, the core pulling oil cylinder is set to two；The core pulling oil cylinder passes through a 3-position 4-way
Slidingtype reversal valve is connected with oil circuit.
Described hydraulic system, wherein, the mode locking unit includes Mode-locking oil cylinder, oil pump motor and second pair of ratio
Valve；
The Mode-locking oil cylinder, oil pump motor are connected by second pair of proportioning valve with oil circuit respectively；
Second pair of proportioning valve is predetermined to control the Mode-locking oil cylinder and oil pump motor to perform according to predetermined control instruction
Action.
Described hydraulic system, wherein, the dnockout unit includes a pair of nitrogen cylinder groups；The nitrogen cylinder group connects with oil circuit
The place of connecing is provided with a pressure gauge.
Described hydraulic system, wherein, the dnockout unit also includes a dozen material oil cylinders.
Described hydraulic system, wherein, described pair of proportioning valve is magnetic valve.
Beneficial effect：A kind of hydraulic system based on cold-chamber die casting machine that the present invention is provided, has used double proportioning valves instead and has been used to
Realize the control of the action for die casting machine so that in press casting procedure, translational speed is improved die casting machine, and it is overall
Running smooth-going, stabilization, it is not easy to shake, it is ensured that the realization of extrusion process.
Brief description of the drawings
Fig. 1 is the hydraulic schematic diagram of hydraulic system provided in an embodiment of the present invention.
Specific embodiment
The present invention provides a kind of hydraulic system based on cold-chamber die casting machine.To make the purpose of the present invention, technical scheme and effect
Fruit is clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that this place
The specific embodiment of description is only used to explain the present invention, is not intended to limit the present invention.
Fig. 1 is a kind of hydraulic system based on cold-chamber die casting machine provided in an embodiment of the present invention.As shown in figure 1, the liquid
Pressure system can include：Drive die casting machine thimble thimble unit 100, drive die casting machine injection part dnockout unit 200 with
And drive 300 3 parts of mode locking unit of die casting machine compression mod.
Be used to control die casting machine to perform corresponding action between three parts respectively, for example advance at a predetermined rate or after
Move back, apply predetermined pressure etc..
Wherein, the thimble unit 100 and mode locking unit 300 are respectively provided with one or more double proportioning valves 101 and 303.Institute
State double proportioning valves to be arranged in action circuit, be used to drive the actuating mechanism of the thimble unit and mode locking unit and moved with predetermined
Make.
Specifically, as shown in figure 1, the thimble unit 100 includes 102, two core pulling oil cylinders 103 of thimble oil cylinder and the
A pair of proportioning valve 101.
The thimble oil cylinder 102 and core pulling oil cylinder 103 are connected by first pair of proportioning valve 101 with oil circuit respectively.More
Specifically, first pair of proportioning valve 101 is slidingtype reversal valve, specific digit and slide-valve switch to the oily of correspondence position
Flow direction is as shown in Figure 1.In the present embodiment, the slidingtype reversal valve of 3-position 4-way is, the slidingtype reversal valve is electricity
Magnetic control valve.
In practical operation, first pair of proportioning valve 101 adjusts valve flow, control according to predetermined control instruction
The thimble oil cylinder and core pulling oil cylinder perform predetermined action（For example export predetermined pressure or advance at a predetermined velocity/after
Move back）.
In embodiments of the present invention, the mode locking unit 300 includes：Mode-locking oil cylinder 301, oil pump motor 302 and second
Double proportioning valves 303.The Mode-locking oil cylinder 301, oil pump motor 302 are connected by second pair of proportioning valve 303 with oil circuit respectively.
It is similar with first pair of proportioning valve, second pair of proportioning valve 301 be slidingtype reversal valve, specific digit and
The oily flow direction that slide-valve switches to correspondence position is as shown in Figure 1.
In actual mechanical process, second pair of proportioning valve according to predetermined control instruction, to control the locked mode oil
Cylinder and oil pump motor perform predetermined action（For example export predetermined pressure or forward/backward at a predetermined velocity）.
As shown in figure 1, can also include in the mode locking unit 300：Fuel tap 304, pressure gauge 305, oil pump 306, motor
307th, cooler 308, overflow valve 309 etc..Its specific oil circuit annexation is as shown in figure 1, motor 307 drives oil pump 306 to use
To provide power.
In embodiments of the present invention, as shown in figure 1, the dnockout unit 200 includes：A pair of nitrogen cylinder groups 201, the nitrogen
Gas cylinders group is provided with a pressure gauge 202 with oil circuit junction.Specifically, as shown in figure 1, the dnockout unit 200 also includes making
It is the dnockout oil cylinder 203 of executive component.
In embodiments of the present invention, the dnockout unit 200 can also include as shown in Figure 1, the commutation of 3-position 4-way
Reversal valve 205, choke valve 206 that valve is 204, two etc..Fuel tap can be specifically magnetic valve, pneumatic operated valve, surge etc., and form drives.
The specific drive form of each fuel tap is as shown in Figure 1.Above-mentioned hydraulic system element can be according to being adjusted the need for actual conditions
It is whole, increase or some elements of economization or adjustment oil circuit loop set etc..
In sum, hydraulic system provided in an embodiment of the present invention, has used double proportioning valves instead and has been used to realize for die casting machine
Action control so that in press casting procedure, translational speed is improved die casting machine, and overall operation process smooth-going,
Stabilization, it is not easy to shake, it is ensured that the good realization of extrusion process.
It is understood that for those of ordinary skills, can be with technology according to the present invention scheme and this hair
Bright design is subject to equivalent or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Shield scope.
Claims (7)
1. a kind of hydraulic system based on cold-chamber die casting machine, it is characterised in that the hydraulic system includes：Drive die casting machine thimble
Top-ranked unit, drive die casting machine injection part dnockout unit and drive die casting machine compression mod mode locking unit；
The thimble unit and mode locking unit have one or more double proportioning valves；Described pair of proportioning valve is arranged on action circuit
In, it is used to drive the actuating mechanism of the thimble unit and mode locking unit to perform predetermined action.
2. hydraulic system according to claim 1, it is characterised in that the thimble unit includes thimble oil cylinder, at least two
Individual core pulling oil cylinder and first pair of proportioning valve；
The thimble oil cylinder and core pulling oil cylinder are connected by first pair of proportioning valve with oil circuit respectively；
First pair of proportioning valve is predetermined to control the thimble oil cylinder and core pulling oil cylinder to perform according to predetermined control instruction
Action.
3. hydraulic system according to claim 2, it is characterised in that the core pulling oil cylinder is set to two；The core pulling
Oil cylinder is connected by a 3-position 4-way slidingtype reversal valve with oil circuit.
4. hydraulic system according to claim 1, it is characterised in that the mode locking unit includes Mode-locking oil cylinder, oil pump horse
Up to and second pair of proportioning valve；
The Mode-locking oil cylinder, oil pump motor are connected by second pair of proportioning valve with oil circuit respectively；
Second pair of proportioning valve is predetermined to control the Mode-locking oil cylinder and oil pump motor to perform according to predetermined control instruction
Action.
5. hydraulic system according to claim 1, it is characterised in that the dnockout unit includes a pair of nitrogen cylinder groups；Institute
State nitrogen cylinder group and oil circuit junction is provided with a pressure gauge.
6. hydraulic system according to claim 5, it is characterised in that the dnockout unit also includes a dozen material oil cylinders.
7. according to any described hydraulic systems of claim 1-6, it is characterised in that described pair of proportioning valve is magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145630.1A CN106925742A (en) | 2017-03-13 | 2017-03-13 | A kind of hydraulic system based on cold-chamber die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145630.1A CN106925742A (en) | 2017-03-13 | 2017-03-13 | A kind of hydraulic system based on cold-chamber die casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106925742A true CN106925742A (en) | 2017-07-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710145630.1A Pending CN106925742A (en) | 2017-03-13 | 2017-03-13 | A kind of hydraulic system based on cold-chamber die casting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372283A (en) * | 2018-04-13 | 2018-08-07 | 宁波力劲科技有限公司 | A kind of die casting machine core-pulling device and core pulling method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2131735A (en) * | 1982-10-14 | 1984-06-27 | Karl Hehl | Hydraulically operated die closing unit of an injection moulding machine |
| DE3319268C1 (en) * | 1983-05-27 | 1984-09-13 | Klöckner-Werke AG, 4100 Duisburg | Control device for the movement of a hydraulically displaceable platen of an injection molding machine |
| DE3447709C1 (en) * | 1984-12-28 | 1986-04-30 | Karl 7298 Loßburg Hehl | Control device for the hydraulic circuit of a plastic injection molding machine |
| CN2475543Y (en) * | 2001-05-18 | 2002-02-06 | 杭州捷立精密机械有限公司 | Injection moulding machine for zipper |
| CN1403231A (en) * | 2002-09-30 | 2003-03-19 | 陈新华 | Horizontal cold-chamber magnesium alloy pressure casting machine |
| CN102019395A (en) * | 2011-01-06 | 2011-04-20 | 苏州三基铸造装备股份有限公司 | Horizontal type extrusion casting machine |
| CN202097382U (en) * | 2011-05-25 | 2012-01-04 | 滁州润江机械制造有限公司 | High energy-saving pressing and injecting oil cylinder oil inlet structure for die casting machine |
| JP2013075333A (en) * | 2013-01-17 | 2013-04-25 | Ube Machinery Corporation Ltd | Die casting machine and die casting method |
-
2017
- 2017-03-13 CN CN201710145630.1A patent/CN106925742A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2131735A (en) * | 1982-10-14 | 1984-06-27 | Karl Hehl | Hydraulically operated die closing unit of an injection moulding machine |
| DE3319268C1 (en) * | 1983-05-27 | 1984-09-13 | Klöckner-Werke AG, 4100 Duisburg | Control device for the movement of a hydraulically displaceable platen of an injection molding machine |
| DE3447709C1 (en) * | 1984-12-28 | 1986-04-30 | Karl 7298 Loßburg Hehl | Control device for the hydraulic circuit of a plastic injection molding machine |
| CN2475543Y (en) * | 2001-05-18 | 2002-02-06 | 杭州捷立精密机械有限公司 | Injection moulding machine for zipper |
| CN1403231A (en) * | 2002-09-30 | 2003-03-19 | 陈新华 | Horizontal cold-chamber magnesium alloy pressure casting machine |
| CN102019395A (en) * | 2011-01-06 | 2011-04-20 | 苏州三基铸造装备股份有限公司 | Horizontal type extrusion casting machine |
| CN202097382U (en) * | 2011-05-25 | 2012-01-04 | 滁州润江机械制造有限公司 | High energy-saving pressing and injecting oil cylinder oil inlet structure for die casting machine |
| JP2013075333A (en) * | 2013-01-17 | 2013-04-25 | Ube Machinery Corporation Ltd | Die casting machine and die casting method |
Non-Patent Citations (1)
| Title |
|---|
| 齐晓斌: "550T卧式冷室压铸机控制系统研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372283A (en) * | 2018-04-13 | 2018-08-07 | 宁波力劲科技有限公司 | A kind of die casting machine core-pulling device and core pulling method |
| CN108372283B (en) * | 2018-04-13 | 2024-04-19 | 宁波力劲科技有限公司 | Core pulling method of core pulling device of die casting machine |
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Application publication date: 20170707 |