CN108372283B - Core pulling method of core pulling device of die casting machine - Google Patents
Core pulling method of core pulling device of die casting machine Download PDFInfo
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- CN108372283B CN108372283B CN201810333016.2A CN201810333016A CN108372283B CN 108372283 B CN108372283 B CN 108372283B CN 201810333016 A CN201810333016 A CN 201810333016A CN 108372283 B CN108372283 B CN 108372283B
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- pulling
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- quick core
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- 238000004512 die casting Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004146 energy storage Methods 0.000 claims abstract description 98
- 230000009471 action Effects 0.000 claims description 52
- 239000003921 oil Substances 0.000 claims description 47
- 239000010720 hydraulic oil Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010009 beating Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000012797 qualification Methods 0.000 abstract description 6
- 238000004904 shortening Methods 0.000 abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
-
- 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
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2236—Equipment for loosening or ejecting castings from dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to a core pulling method of a core pulling device of a die casting machine, which comprises an energy accumulator bracket, an energy accumulator and a quick core pulling oil circuit board, wherein two energy accumulators are vertically arranged on the front end face of the energy accumulator bracket in parallel, the upper ends of the two energy accumulators are connected with a vertical bracket positioned between the two energy accumulators, the lower end of the vertical bracket is provided with the quick core pulling oil circuit board, the right part of the front end face of the quick core pulling oil circuit board is provided with a quick core pulling valve, the left part of the front end face of the quick core pulling oil circuit board is provided with a quick core pulling energy storage valve, the lower ends of the energy accumulators are respectively provided with an energy accumulator air valve, and the right side of the quick core pulling oil circuit board is provided with a quick core pulling energy storage unloading valve and an oil pipe communicated with the energy accumulator. The invention has the characteristics of effectively shortening the time for drawing and inserting the core, obviously shortening the production period, improving the qualification rate of products and the like.
Description
Technical Field
The invention relates to the technical field of core pulling devices of die casting machines, in particular to a core pulling method of a core pulling device of a die casting machine.
Background
Along with the continuous improvement of the production efficiency and the production process requirements of the die casting industry on the die casting, the original core pulling method of the die casting machine has simple function and low efficiency, can not meet the requirements of high-end enterprises in the die casting industry, and is very necessary to design a new core pulling starting device in order to improve the core pulling efficiency of the die casting machine.
Disclosure of Invention
The invention aims to solve the technical problem of providing a core pulling method of a core pulling device of a die casting machine, which has the characteristics of effectively shortening the time for pulling and inserting cores, obviously shortening the production period, improving the qualification rate of products and the like.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a die casting machine core pulling method of device of loosing core, including energy storage ware support, energy storage ware and quick core oil circuit board, the preceding terminal surface of energy storage ware support on vertically install two energy storage ware side by side, two energy storage ware upper ends link to each other with the vertical support that is located between two, vertical support lower extreme install quick core oil circuit board, quick core oil valve is installed to quick core oil circuit board preceding terminal surface right part, left part installs quick core energy storage valve, the energy storage ware lower extreme all install the energy storage ware pneumatic valve, quick core oil circuit board right side install quick core energy storage unloading valve and the oil pipe with the energy storage ware intercommunication.
And a quick core-pulling pressure sensor is arranged at the lower end of the vertical support close to the quick core-pulling oil circuit board.
When the die casting machine starts the core inserting action, the quick core-pulling valve is electrified and opened, hydraulic oil in the energy accumulator enters the core-pulling oil cylinder through the oil pipe to quicken the core-pulling action, and after core pulling is inserted in place, the quick core-pulling valve is powered off and closed, so that the quick core inserting action is completed;
When the die casting machine is operated to perform material beating and energy storage, the quick core pulling device performs energy storage action, a quick core pulling energy storage valve in the quick core pulling device is electrified and opened, hydraulic oil enters an energy storage device through an oil pipe to perform quick core pulling and energy storage action, after the material beating and energy storage are completed, the quick core pulling energy storage valve is powered off, the first step action of quick core pulling and energy storage is completed, and the die casting machine is waited to be operated to the cooling time;
When the die casting machine is operated to the cooling time, the quick core-pulling energy storage valve is electrified and opened, hydraulic oil enters the energy storage device through the oil pipe, and when the quick core-pulling energy storage pressure sensor detects that the quick core-pulling energy storage pressure reaches a set value, the second step of the quick core-pulling energy storage action is completed;
Then, performing quick core-pulling action, when the die casting machine is operated to the core-pulling action, electrifying and opening the quick core-pulling valve, enabling hydraulic oil in the energy accumulator to enter the core-pulling oil cylinder to accelerate the core-pulling action, and after core pulling is out in place, powering off and closing the quick core-pulling valve to finish the quick core-pulling action;
when the die casting machine is stopped, the energy storage unloading action of the quick core-pulling device is carried out, the quick core-pulling energy storage unloading valve (8) is powered off, the quick core-pulling energy storage is released, and the safety is ensured.
The beneficial effects are that: the invention relates to a core pulling method of a core pulling device of a die casting machine, which has the characteristics of effectively shortening the time for pulling and inserting cores, obviously shortening the production period, improving the qualification rate of products and the like.
Drawings
FIG. 1 is a structural view of the present invention;
fig. 2 is a flow chart of core pulling using the present invention.
The diagram is: 1. the device comprises an energy accumulator, 2, an energy accumulator bracket, 3, a quick core-pulling pressure sensor, 4, a quick core-pulling oil circuit board, 5, a quick core-pulling valve, 6, a quick core-pulling energy storage valve, 7, an oil pipe, 8, a quick core-pulling energy storage unloading valve, 9, an energy accumulator air valve, 10 and a vertical bracket.
Detailed Description
The application will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
The embodiment of the invention relates to a core pulling method of a core pulling device of a die casting machine, which comprises an energy storage bracket 2, energy storages 1 and a quick core pulling oil circuit board 4, wherein two energy storages 1 are vertically arranged on the front end surface of the energy storage bracket 2 side by side, the upper ends of the two energy storages 1 are connected with a vertical bracket 10 positioned between the two, the quick core pulling oil circuit board 4 is arranged at the lower end of the vertical bracket 10, a quick core pulling valve 5 is arranged at the right part of the front end surface of the quick core pulling oil circuit board 4, a quick core pulling energy storage valve 6 is arranged at the left part of the front end surface of the quick core pulling oil circuit board 4, an energy storage air valve 9 is arranged at the lower end of the energy storages 1, and a quick core pulling energy storage unloading valve 8 and an oil pipe 7 communicated with the energy storages 1 are arranged at the right side of the quick core pulling oil circuit board 4.
The lower end of the vertical support 10 is provided with a quick core-pulling pressure sensor 3 near the quick core-pulling oil circuit board 4.
When the die casting machine starts the core inserting action, the quick core-pulling valve 5 is electrified and opened, hydraulic oil in the energy accumulator 1 enters the core-pulling oil cylinder through the oil pipe 7 to accelerate the core-pulling action, and after core pulling is inserted in place, the quick core-pulling valve 5 is powered off and the quick core inserting action is completed;
when the die casting machine is operated to perform material beating and energy storage, the quick core pulling device performs energy storage action, a quick core pulling energy storage valve 6 in the quick core pulling device is electrified and opened, hydraulic oil enters the energy storage device 1 through an oil pipe 7 to perform the quick core pulling and energy storage action, after the material beating and energy storage are completed, the quick core pulling energy storage valve 6 is powered off and closed, the first step action of the quick core pulling and energy storage is completed, and the die casting machine is waited to be operated to the cooling time;
when the die casting machine is operated to the cooling time, the quick core-pulling energy storage valve 6 is electrified and opened, hydraulic oil enters the energy storage device 1 through the oil pipe 7, and when the quick core-pulling energy storage pressure sensor 3 detects that the quick core-pulling energy storage pressure reaches a set value, the second step of the quick core-pulling energy storage action is completed;
then, performing quick core-pulling action, when the die casting machine is operated to the core-pulling action, electrifying and opening the quick core-pulling valve 5, enabling hydraulic oil in the energy accumulator 1 to enter a core-pulling oil cylinder to accelerate the core-pulling action, and after the core is pulled out in place, de-electrifying and closing the quick core-pulling valve 5 to finish the quick core-pulling action;
when the die casting machine is stopped, the energy storage unloading action of the quick core-pulling device is carried out, the quick core-pulling energy storage unloading valve (8) is powered off, the quick core-pulling energy storage is released, and the safety is ensured.
Examples
When the device is used for producing products, the specific flow is shown in the figure 2, the die and the die casting machine are in an open state, the preparation work before die casting of the die is carried out, after the preparation is finished, the core pulling is sprayed firstly, after the preparation is finished, the die casting machine carries out the core inserting action, the quick core pulling valve 5 on the device is electrified and opened through the device, hydraulic oil in the energy accumulator 1 enters the core pulling oil cylinder through the oil pipe 7 to accelerate the core pulling action, and after the core pulling is inserted in place, the quick core pulling valve 5 is powered off to complete the core inserting action;
After the core inserting action is completed, the die casting machine sends out a mode locking signal to lock the die, after the die locking is completed, the quick core pulling device performs an energy storage action, the energy storage action is divided into two steps, and the first step is as follows: the quick core-pulling energy storage valve 6 is electrified to be opened, hydraulic oil enters the energy storage device 1 through the oil pipe 7 to perform quick core-pulling energy storage action, and after the material beating and energy storage are completed, the quick core-pulling energy storage valve 6 is powered off to be closed;
after the first step is finished, the die casting machine is started, the die casting machine performs injection, and a die cooling procedure is performed, when the die casting machine is operated to the cooling time, the quick core-pulling device performs a second step of energy storage action: the quick core-pulling energy storage valve 6 is electrified to be opened, hydraulic oil enters the energy storage device 1 through the oil pipe 7, and when the quick core-pulling energy storage pressure sensor 3 detects that the quick core-pulling energy storage pressure reaches a set value, the energy storage action is calculated to be completed;
Then opening the die, opening the die in place, performing core pulling action, opening the quick core pulling valve 5 by electrifying, enabling hydraulic oil in the energy accumulator 1 to enter the core pulling oil cylinder to accelerate the core pulling action, and closing the quick core pulling valve 5 by deenergizing after the core is pulled out in place, so as to finish the quick core pulling action;
finally, performing energy storage unloading action of the quick core-pulling device, and when the die casting machine is stopped, powering down the quick core-pulling energy storage unloading valve 8, quickly pulling the core, storing energy and releasing pressure to ensure safety;
And then preparing the preparation work before die casting again to form a cycle.
The following are specific experimental data for the present device:
the design and calculation method of the quick core pulling device comprises the following steps:
calculating the total volume of the core-pulling oil cylinder:
according to the diameter D, the stroke L and the quantity N of the core-pulling oil cylinders of the die
Calculating the total volume of the core-pulling oil cylinder: q=pi/4*D 2 ×l×n
And (3) calculating the volume of the quick core-pulling nitrogen cylinder:
Inflation pressure P 0, maximum working pressure P 1, minimum working pressure P 2
When the core pulling and inserting device acts, the nitrogen cylinder provides oil quantity Q, and the volume of the nitrogen cylinder is quickly pulled:
And (3) fast extracting and inserting time calculation:
Core pulling cylinder speed v=q core-pulling valve /(π/4*D2
The pumping and inserting core action time T 1 = L/V
Calculating the energy storage time of the quick core-pulling device:
Energy storage time T 2＝Q/Q Pump with a pump body
Core pulling is firstly inserted into the core pulling device; the spraying and blowing of the mould needs a long time, under the condition that the core pulling insertion mode is the insertion before the mould locking, the core pulling action can be performed without waiting for a mould locking signal, and the core pulling of the mould can be performed in place when the mould is sprayed or blown. The time for waiting for the mode locking signal is shortened, the production period of the die casting is shortened, and the production efficiency is improved.
Automatic core-pulling spraying and blowing functions, wherein an atomized release agent can be sprayed on a core-pulling sliding block of a mold, and when the core-pulling spraying function is selected; the method comprises the steps that at the beginning of a die casting production period (in-place die opening condition), a core-pulling piston rod is inserted and pushed into a corresponding core-pulling sliding block according to a set sequence; after the core-pulling sliding block is put in place, the spraying robot descends to regularly spray the atomized release agent on the core-pulling sliding block of the mould, after spraying is finished, the spraying robot blows the mould at regular time and at regular point, and ascends after the mould is dried, and the core-pulling piston rod is pulled out according to the set sequence to push the core-pulling sliding block of the corresponding mould to reset; the die bonding of the product is effectively reduced, and the qualification rate of the die casting is improved.
The loose core sequence free setting function can freely set the loose core action sequence; when the die casting process is changed and the core pulling sequence needs to be adjusted, the connection of the core pulling pipeline can not be changed, and the core pulling adjustment is more convenient and flexible. The die replacement time is saved; the compatibility to the die is strong.
Novel core pulling method time-saving summary table for producing cylinder body by DCC2500 die casting machine
Novel core pulling method product qualification rate summary table for producing cylinder body by DCC2500 die casting machine
The test is carried out when the cylinder body is produced by a DCC2500 die casting machine, the total production period of the original core pulling method of the die casting machine is 135S, the total production period is 120S after the novel core pulling method of the die casting machine is adopted, and the production period is shortened by 15S altogether; the qualification rate of die castings is improved from 85% to 89%.
Claims (1)
1. The core pulling method of the core pulling device of the die casting machine comprises an energy accumulator bracket (2), an energy accumulator (1) and a quick core pulling oil circuit board (4) and is characterized in that: the device is characterized in that two energy storages (1) are vertically arranged on the front end face of the energy storage support (2) side by side, the upper ends of the two energy storages (1) are connected with a vertical support (10) positioned between the two energy storages, a quick core-pulling oil circuit board (4) is arranged at the lower end of the vertical support (10), a quick core-pulling valve (5) is arranged at the right part of the front end face of the quick core-pulling oil circuit board (4), a quick core-pulling energy storage valve (6) is arranged at the left part of the front end face of the quick core-pulling oil circuit board, an energy storage air valve (9) is arranged at the lower end of the energy storage (1), a quick core-pulling energy storage unloading valve (8) and an oil pipe (7) communicated with the energy storage (1) are arranged at the right side of the quick core-pulling oil circuit board (4), and a quick core-pulling pressure sensor (3) is arranged at the lower end of the vertical support (10) close to the quick core-pulling oil circuit board (4);
The method comprises the following specific steps:
(a) When the die casting machine starts the core inserting action, the quick core-pulling valve (5) is electrified and opened, hydraulic oil in the energy accumulator (1) enters the core-pulling oil cylinder through the oil pipe (7) to quicken the core pulling action, and after core pulling is inserted in place, the quick core-pulling valve (5) is powered off and closed, so that the quick core inserting action is completed;
(b) When the die casting machine is operated to perform material beating and energy storage, the quick core pulling device performs energy storage action, a quick core pulling energy storage valve (6) in the quick core pulling device is electrified and opened, hydraulic oil enters an energy storage device (1) through an oil pipe (7) to perform quick core pulling and energy storage action, after the material beating and energy storage are completed, the quick core pulling energy storage valve (6) is powered off, the first step of quick core pulling and energy storage action is completed, and the die casting machine is waited to be operated to the cooling time;
(c) When the die casting machine is operated to the cooling time, the quick core-pulling energy storage valve (6) is electrified and opened, hydraulic oil enters the energy storage device (1) through the oil pipe (7), and when the quick core-pulling energy storage pressure sensor (3) detects that the quick core-pulling energy storage pressure reaches a set value, the second step of the quick core-pulling energy storage action is completed;
(d) Then, performing a quick core-pulling action, when the die casting machine runs to the core-pulling action, electrifying and opening the quick core-pulling valve (5), enabling hydraulic oil in the energy accumulator (1) to enter the core-pulling oil cylinder to accelerate the core-pulling action, and after the core is pulled out in place, turning off the quick core-pulling valve (5) to close, so as to complete the quick core-pulling action;
(e) When the die casting machine is stopped, the energy storage unloading action of the quick core-pulling device is carried out, the quick core-pulling energy storage unloading valve (8) is powered off, the quick core-pulling energy storage is released, and the safety is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333016.2A CN108372283B (en) | 2018-04-13 | 2018-04-13 | Core pulling method of core pulling device of die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810333016.2A CN108372283B (en) | 2018-04-13 | 2018-04-13 | Core pulling method of core pulling device of die casting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108372283A CN108372283A (en) | 2018-08-07 |
| CN108372283B true CN108372283B (en) | 2024-04-19 |
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| CN201810333016.2A Active CN108372283B (en) | 2018-04-13 | 2018-04-13 | Core pulling method of core pulling device of die casting machine |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0599171A1 (en) * | 1992-11-21 | 1994-06-01 | Maschinenfabrik Müller-Weingarten AG | Method of monitoring and/or controlling a hydraulic reservoir |
| JPH1058114A (en) * | 1996-08-23 | 1998-03-03 | Ube Ind Ltd | Method for controlling injection of die casting machine and device therefor |
| JP2008194936A (en) * | 2007-02-13 | 2008-08-28 | Mitsubishi Heavy Industries Plastic Technology Co Ltd | Method of controlling hydraulic circuit of injection compression molding machine |
| WO2008131572A1 (en) * | 2007-04-30 | 2008-11-06 | Bühler Druckguss AG | Device for controlling a die casting machine |
| JP2009107010A (en) * | 2007-11-01 | 2009-05-21 | Ube Machinery Corporation Ltd | Injection apparatus in die casting machine and control method thereof |
| JP2011131225A (en) * | 2009-12-24 | 2011-07-07 | Ube Machinery Corporation Ltd | Injection device and injection controlling method of die 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 |
| CN102873849A (en) * | 2011-07-11 | 2013-01-16 | 博创机械股份有限公司 | Hydraulic loose core circuit having pressure release function |
| CN203917861U (en) * | 2014-07-16 | 2014-11-05 | 天津市大邱庄金洲汽车配件有限公司 | A kind of aluminum alloy press casting machine energy conserving system |
| CN204075125U (en) * | 2014-09-11 | 2015-01-07 | 东莞市锐风机械有限公司 | Die casting machine external one-way valve pressurized construction |
| CN105014897A (en) * | 2015-06-23 | 2015-11-04 | 苏州盛恒兴自动化设备有限公司 | Energy-saving and pressure-maintaining device for hydraulic injection molding machine |
| CN205001285U (en) * | 2015-08-19 | 2016-01-27 | 广东伊之密精密机械股份有限公司 | Hydraulic cylinder accelerates and pressurizer |
| CN105728694A (en) * | 2016-04-27 | 2016-07-06 | 中山市德工机械科技有限公司 | Quick die opening device of die-casting machine |
| CN206035922U (en) * | 2016-07-04 | 2017-03-22 | 惠州市湘联金属制品有限公司 | Hot chamber die casting machine hydraulic system |
| CN206104843U (en) * | 2016-08-30 | 2017-04-19 | 宁波力劲科技有限公司 | A fill nitrogen gas structure automatically for die casting machine dnockout |
| CN106925742A (en) * | 2017-03-13 | 2017-07-07 | 佛山市高明建强科技有限公司 | A kind of hydraulic system based on cold-chamber die casting machine |
| CN206335124U (en) * | 2016-11-18 | 2017-07-18 | 广东伊之密精密机械股份有限公司 | A kind of hydraulic circuit for being used to control die casting machine vacuum-pumping valve to be opened and closed |
| CN208303831U (en) * | 2018-04-13 | 2019-01-01 | 宁波力劲科技有限公司 | A kind of die casting machine core-pulling device |
-
2018
- 2018-04-13 CN CN201810333016.2A patent/CN108372283B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0599171A1 (en) * | 1992-11-21 | 1994-06-01 | Maschinenfabrik Müller-Weingarten AG | Method of monitoring and/or controlling a hydraulic reservoir |
| JPH1058114A (en) * | 1996-08-23 | 1998-03-03 | Ube Ind Ltd | Method for controlling injection of die casting machine and device therefor |
| JP2008194936A (en) * | 2007-02-13 | 2008-08-28 | Mitsubishi Heavy Industries Plastic Technology Co Ltd | Method of controlling hydraulic circuit of injection compression molding machine |
| WO2008131572A1 (en) * | 2007-04-30 | 2008-11-06 | Bühler Druckguss AG | Device for controlling a die casting machine |
| JP2009107010A (en) * | 2007-11-01 | 2009-05-21 | Ube Machinery Corporation Ltd | Injection apparatus in die casting machine and control method thereof |
| JP2011131225A (en) * | 2009-12-24 | 2011-07-07 | Ube Machinery Corporation Ltd | Injection device and injection controlling method of die 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 |
| CN102873849A (en) * | 2011-07-11 | 2013-01-16 | 博创机械股份有限公司 | Hydraulic loose core circuit having pressure release function |
| CN203917861U (en) * | 2014-07-16 | 2014-11-05 | 天津市大邱庄金洲汽车配件有限公司 | A kind of aluminum alloy press casting machine energy conserving system |
| CN204075125U (en) * | 2014-09-11 | 2015-01-07 | 东莞市锐风机械有限公司 | Die casting machine external one-way valve pressurized construction |
| CN105014897A (en) * | 2015-06-23 | 2015-11-04 | 苏州盛恒兴自动化设备有限公司 | Energy-saving and pressure-maintaining device for hydraulic injection molding machine |
| CN205001285U (en) * | 2015-08-19 | 2016-01-27 | 广东伊之密精密机械股份有限公司 | Hydraulic cylinder accelerates and pressurizer |
| CN105728694A (en) * | 2016-04-27 | 2016-07-06 | 中山市德工机械科技有限公司 | Quick die opening device of die-casting machine |
| CN206035922U (en) * | 2016-07-04 | 2017-03-22 | 惠州市湘联金属制品有限公司 | Hot chamber die casting machine hydraulic system |
| CN206104843U (en) * | 2016-08-30 | 2017-04-19 | 宁波力劲科技有限公司 | A fill nitrogen gas structure automatically for die casting machine dnockout |
| CN206335124U (en) * | 2016-11-18 | 2017-07-18 | 广东伊之密精密机械股份有限公司 | A kind of hydraulic circuit for being used to control die casting machine vacuum-pumping valve to be opened and closed |
| CN106925742A (en) * | 2017-03-13 | 2017-07-07 | 佛山市高明建强科技有限公司 | A kind of hydraulic system based on cold-chamber die casting machine |
| CN208303831U (en) * | 2018-04-13 | 2019-01-01 | 宁波力劲科技有限公司 | A kind of die casting machine core-pulling device |
Non-Patent Citations (1)
| Title |
|---|
| 乳液泵弧向出液按头旋转侧抽芯注塑模设计;刘琼;林永南;王乾廷;;工程塑料应用;20130810(08);P76-78 * |
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| Publication number | Publication date |
|---|---|
| CN108372283A (en) | 2018-08-07 |
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