CN103381478B - Die casting machine injection system - Google Patents
Die casting machine injection system Download PDFInfo
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- CN103381478B CN103381478B CN201310260238.3A CN201310260238A CN103381478B CN 103381478 B CN103381478 B CN 103381478B CN 201310260238 A CN201310260238 A CN 201310260238A CN 103381478 B CN103381478 B CN 103381478B
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Abstract
A kind of die casting machine injection system, comprise injection oil circuit body, press-shoot energy accumulator, supercharging accumulator, pressurizing cylinder, charged piston, injection oil cylinder, shot piston and oil path control system, press-shoot energy accumulator and supercharging accumulator are installed on injection oil circuit body, shot piston is installed in injection oil cylinder, the rear end of this injection oil cylinder is connected with injection oil circuit body front end, pressurizing cylinder arranges the intrinsic front end of injection oil circuit, oil path control system comprises slow shot system, fast pressure accumulator control system, supercharging accumulator control system and fast oil draining system, system pressure oil injects in injection oil cylinder through injection oil circuit by slow shot system, fast pressure accumulator control system and supercharging accumulator control system control press-shoot energy accumulator and the work of supercharging accumulator respectively, press-shoot energy accumulator is made to act on the rear in oil circuit injection direction, supercharging accumulator acts on the front of oil circuit injection directional pressure oil pocket, compression supercharging is carried out to the oil pressure in pressure oil cavity.
Description
Technical field
The present invention relates to a kind of wire-insertion device, be specifically related to a kind of die casting machine injection system.
Background technology
Die casting machine is used for cooling forming in molten metal bath injection under pressure to mould, obtains a series of industrial foundry machinery of solid metal foundry goods after die sinking.Along with science and technology and industrial progress, especially along with industrial expansions such as automobile, motorcycle and household electrical appliance, die casting machine in the industrial production role is also increasing.
The injection unit of existing die casting machine forms primarily of injection hydraulic cylinder assembly, injection chamber punch-head assembly, press-shoot energy accumulator assembly and supercharging accumulator package.During die casting machine work, metallic solution needs to start supercharging program after injection program press-in die casting to carry out supercharging to metal solid in mould and keeps the regular hour.
But traditional injection mechanism asphalt channel is tortuous, hydraulic circuit is complicated, imperfection, there is the smooth and pressure flow of serious logical oil and lose phenomenon, therefore to build the pressure time long in supercharging, supercharging low-response, be unfavorable for control and the raising of die casting die casting quality, seriously constrain industrial production.
Summary of the invention
Based on this, be necessary, for deficiency of the prior art, to provide a kind of die casting machine injection system.
The present invention is achieved in the following ways: a kind of die casting machine injection system, comprise injection oil circuit body, press-shoot energy accumulator, supercharging accumulator, pressurizing cylinder, charged piston, injection oil cylinder, and shot piston, described press-shoot energy accumulator and supercharging accumulator are installed on injection oil circuit body, described shot piston is installed in injection oil cylinder, the rear end of this injection oil cylinder is connected with injection oil circuit body front end, described pressurizing cylinder arranges the intrinsic front end of injection oil circuit, described charged piston is arranged in pressurizing cylinder, also comprise oil path control system, in this oil path control system, comprise slow shot system, fast pressure accumulator control system, supercharging accumulator control system and fast oil draining system, system pressure oil injects in injection oil cylinder through injection oil circuit by described slow shot system, fast pressure accumulator control system and supercharging accumulator control system control press-shoot energy accumulator and the work of supercharging accumulator respectively, differential pressure type check valve is provided with in described charged piston, described injection oil circuit body is provided with main oil gallery, during fast pressure, the hydraulic oil of described main oil gallery flow in injection oil cylinder from differential pressure type check valve, press-shoot energy accumulator is made to act on the rear in oil circuit injection direction in pressurizing cylinder, described supercharging accumulator acts on the front of oil circuit injection directional pressure oil pocket in pressurizing cylinder, and carry out compression supercharging to the oil pressure in pressure oil cavity, fast oil draining system carries out quick oil-discharging process to the oil in pressurizing cylinder.
Further, described slow shot system is connected on pressurizing cylinder by a reversal valve V10, and its supercharging oil pressure controls by a control valve J2.
Further, described fast pressure accumulator control system comprises inserted valve V26 and inserted valve V27, the input and output side of described inserted valve V26 is connected on press-shoot energy accumulator and pressurizing cylinder, the control end of described inserted valve V26 is connected with a reversal valve V11, work to control this inserted valve V26, the input and output side of described inserted valve V27 is connected on press-shoot energy accumulator and pressurizing cylinder, and the control end of described inserted valve V27 is connected with a reversal valve V12.
Further, described supercharging accumulator control system comprises inserted valve V29 and reversal valve V14, and the input and output side of inserted valve V29 is connected on booster-type accumulator and pressurizing cylinder, and the control end of inserted valve V29 is controlled by reversal valve V14.
Further, described fast oil draining system comprises an inserted valve V23 and reversal valve V17, the input and output side of inserted valve V23 is connected on pressurizing cylinder, injection oil cylinder and discharge equipment, on the control end that reversal valve V17 two ends are connected to inserted valve V29 and discharge equipment.
In sum, die casting machine injection system of the present invention directly acts on the rear in oil circuit injection direction by press-shoot energy accumulator, supercharging accumulator acts on the front of oil circuit injection directional pressure oil pocket, supercharging accumulator is preposition, press-shoot energy accumulator is rearmounted, fast pressure accumulator control system and supercharging accumulator control system control press-shoot energy accumulator and the work of supercharging accumulator respectively, and realize reasonable integral structure, oil path block is compact; Hydraulic circuit is succinct, perfect, greatly reduces and to reduce conventional oil path passage tortuous, and the smooth and pressure flow of logical oil loses phenomenon, has given full play to usefulness; Injection performance obtains large raising.
Accompanying drawing explanation
Fig. 1 is the connection diagram of die casting machine injection system of the present invention.
Fig. 2 is the asphalt principle figure of die casting machine injection system of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the present embodiment provides a kind of die casting machine injection system, for extrusion molten body fluid body, makes it to form cooling forming in highly pressurised liquid injection to mould.This die casting machine injection system comprises injection oil circuit body 10, press-shoot energy accumulator 20, supercharging accumulator 30, pressurizing cylinder 40, charged piston 50, injection oil cylinder 60 and shot piston 70.
Described press-shoot energy accumulator 20 and supercharging accumulator 30 are installed on injection oil circuit body 10, described press-shoot energy accumulator 20 acts on the rear in oil circuit injection direction, described supercharging accumulator 30 acts on the front in oil circuit injection direction, i.e. supercharging accumulator preposition 30, and press-shoot energy accumulator 20 is rearmounted.Described injection oil circuit body 10 is provided with main oil gallery 11, injection oil duct (not shown) and supercharging oil duct (not shown).Described shot piston 70 is installed in injection oil cylinder 60, the rear end of this injection oil cylinder 60 is connected with injection oil circuit body 10 front end, described pressurizing cylinder 40 arranges the front end in injection oil circuit body 10, described charged piston 50 is arranged in pressurizing cylinder 40, be provided with differential pressure type check valve 51 in this charged piston 50, the hydraulic oil of described main oil gallery 11 flow in pressurizing cylinder 40 from differential pressure type check valve 51.
Described press-shoot energy accumulator 20 is connected on injection oil duct, this injection oil duct is provided with magnetic valve (not shown), by the opening and closing of Controlling solenoid valve, thus control being communicated with or mutually closing of injection oil duct and main oil gallery 11, described supercharging accumulator 30 is connected with supercharging oil duct, described supercharging oil duct is provided with control valve, by controlling the opening and closing of control valve, making supercharging oil duct and the inner conducting of pressurizing cylinder 40 or closing.
The integrated injection device of die casting machine injection system of the present invention is when cold chamber die-casting machine runs, when after the locking of cold chamber die-casting machine die casting matched moulds, the control valve of injection oil duct is opened, press-shoot energy accumulator 20 discharge pressure to injection oil duct, pressure oil is through injection oil duct and differential pressure type check valve 51, enter the front side of pressurizing cylinder 40, the shot piston 70 promoted in injection oil cylinder 60 moves forward, solution fills in die casting machine die casting by runner by tup, in the process that the solution filling die casting machine die casting solidifies, the control valve of injection oil duct is closed, the control valve of the oil duct of supercharging is simultaneously opened, supercharging accumulator 30 discharges pressure to supercharging oil duct, the pressure oil with high pressure is delivered to the front side of pressurizing cylinder through supercharging oil duct, owing to being provided with differential pressure type check valve 51 in charged piston 50, oil can not reflux, the tup that the shot piston 70 of immense pressure in injection oil cylinder 60 of supercharging accumulator 30 is delivered to injection mechanism of die-casting machine extrudes in die casting the metallic solution starting to solidify again, get rid of the bubble in foundry goods, pore, make cast structure finer and close.When after pressurize certain hour, close the control valve release of supercharging oil duct.
As shown in Figure 2, it is the schematic diagram of oil path control system of the present invention, in this oil path control system, comprises slow shot system 81, fast pressure accumulator control system 82, supercharging accumulator control system 83 and fast oil draining system 84.Wherein, system pressure oil injects in pressurizing cylinder 40 through injection oil circuit by described slow shot system 81, acts on shot piston 70, and promotes shot piston 70 and travel forward, and realizes the work of punching press fill material.Fast pressure accumulator control system 82 and supercharging accumulator 83 control system controls press-shoot energy accumulator 20 respectively and supercharging accumulator 30 works, fast oil draining system carries out oil extraction process to the oil in pressurizing cylinder.
Described slow shot system 81 is connected on pressurizing cylinder by a reversal valve V10, and its oil pressure controls by a control valve J2.Described fast pressure accumulator control system 82 comprises inserted valve V26 and inserted valve V27.The input and output side of described inserted valve V26 is connected on press-shoot energy accumulator 20 and pressurizing cylinder 40, and the control end of described inserted valve V26 is connected with a reversal valve V11, works to control this inserted valve V26.The input and output side of described inserted valve V27 is connected on press-shoot energy accumulator 20 and pressurizing cylinder 40, and the control end of described inserted valve V27 is connected with a reversal valve V12.Described supercharging accumulator control system 83 comprises inserted valve V29 and commutator V14, and the input and output side of inserted valve V29 is connected on supercharging accumulator 30 and pressurizing cylinder 40, and the control end of inserted valve V29 is controlled by commutator V14.Described fast oil draining system comprises an inserted valve V23 and reversal valve V17, the input and output side of inserted valve V23 is connected on pressurizing cylinder 40 front end, injection oil cylinder 60 and discharge equipment 841, on the control end that commutator V17 two ends are connected to inserted valve V29 and discharge equipment 841.
Be below the specific descriptions of the fundamental diagram of die casting machine injection system of the present invention, when triggering injection signal, V10 reversal valve S11 obtains electric injection at a slow speed, system pressure oil injects in pressurizing cylinder 40 through injection oil circuit by described slow shot system 81, act in shot piston 70, shot piston 70 is travelled forward, realizes the work of punching press fill material.Trigger to desired location signal, two-speed injection signal opens V11 reversal valve S13 and obtains electric, and V26 reversal valve unlatching press-shoot energy accumulator 20 pressure oil is instantaneous enters shot piston 70 back cavity by differential check valve V34, realizes quick injection; After the full shot piston 70 of mold cavity, cavity pressure rises sharply control valve J2 setting, and S15 treats that electric V14 reversal valve commutates, and V29 inserted valve is opened supercharging and started; Differential isolator 51 cuts out, and realizes supercharging.Cool time, S14 obtained the commutation of electric V12 reversal valve to open form chamber, and V27 inserted valve is opened to follow the tracks of and started.Return hammer S12 and obtain the commutation of electric V10 valve, S17 obtains the commutation of electric V17 valve, and V23 inserted valve is closed, and shot piston 70 ante-chamber and charged piston 50 ante-chamber enter pressure oil simultaneously, promotes shot piston 70 and charged piston 50 return, realizes injection circulation.Oil draining system commutator V17 obtains electric, and inserted valve V23 opens, and carries out oil extraction process to the oil of pressurizing cylinder 40 li.
In sum, die casting machine injection system of the present invention directly acts on the rear in oil circuit injection direction by press-shoot energy accumulator 20, supercharging accumulator 30 acts on the front of oil circuit injection directional pressure oil pocket, supercharging accumulator 30 is preposition, press-shoot energy accumulator 20 is rearmounted, fast pressure accumulator control system 82 and supercharging accumulator control system 83 control press-shoot energy accumulator 20 respectively and supercharging accumulator 30 works, and realize reasonable integral structure, oil path block is compact; Hydraulic circuit is succinct, perfect, greatly reduces and to reduce conventional oil path passage tortuous, and the smooth and pressure flow of logical oil loses phenomenon, has given full play to usefulness; Injection performance obtains large raising.
The foregoing is only better case study on implementation of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a die casting machine injection system, comprise injection oil circuit body, press-shoot energy accumulator, supercharging accumulator, pressurizing cylinder, charged piston, injection oil cylinder, and shot piston, described press-shoot energy accumulator and supercharging accumulator are installed on injection oil circuit body, described shot piston is installed in injection oil cylinder, the rear end of this injection oil cylinder is connected with injection oil circuit body front end, described pressurizing cylinder arranges the intrinsic front end of injection oil circuit, described charged piston is arranged in pressurizing cylinder, it is characterized in that: also comprise oil path control system, in this oil path control system, comprise slow shot system, fast pressure accumulator control system, supercharging accumulator control system and fast oil draining system, system pressure oil injects in injection oil cylinder through injection oil circuit by described slow shot system, fast pressure accumulator control system and supercharging accumulator control system control press-shoot energy accumulator and the work of supercharging accumulator respectively, differential pressure type check valve is provided with in described charged piston, described injection oil circuit body is provided with main oil gallery, during fast pressure, the hydraulic oil of described main oil gallery flow in injection oil cylinder from differential pressure type check valve, press-shoot energy accumulator is made to act on the rear in oil circuit injection direction in pressurizing cylinder, described supercharging accumulator acts on the front of oil circuit injection directional pressure oil pocket in pressurizing cylinder, and carry out compression supercharging to the oil pressure in pressure oil cavity, fast oil draining system carries out quick oil-discharging process to the oil in pressurizing cylinder.
2. die casting machine injection system according to claim 1, is characterized in that: described slow shot system is connected to pressurizing cylinder front by a reversal valve V10, and its supercharging oil pressure controls by a control valve J2.
3. die casting machine injection system according to claim 1, it is characterized in that: described fast pressure accumulator control system comprises inserted valve V26 and inserted valve V27, the input and output side of described inserted valve V26 is connected on press-shoot energy accumulator and pressurizing cylinder, the control end of described inserted valve V26 is connected with a reversal valve V11, work to control this inserted valve V26, the input and output side of described inserted valve V27 is connected on press-shoot energy accumulator and pressurizing cylinder, and the control end of described inserted valve V27 is connected with a reversal valve V12.
4. die casting machine injection system according to claim 1, it is characterized in that: described supercharging accumulator control system comprises inserted valve V29 and reversal valve V14, the input and output side of inserted valve V29 is connected on supercharging accumulator and pressurizing cylinder, and the control end of inserted valve V29 is controlled by reversal valve V14.
5. die casting machine injection system according to claim 4, it is characterized in that: described fast oil draining system comprises an inserted valve V23 and reversal valve V17, the input and output side of inserted valve V23 is connected to injection oil cylinder front, on pressurizing cylinder and discharge equipment, on the control end that reversal valve V17 two ends are connected to inserted valve V29 and discharge equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260238.3A CN103381478B (en) | 2013-06-26 | 2013-06-26 | Die casting machine injection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310260238.3A CN103381478B (en) | 2013-06-26 | 2013-06-26 | Die casting machine injection system |
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| CN103381478A CN103381478A (en) | 2013-11-06 |
| CN103381478B true CN103381478B (en) | 2015-12-16 |
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| CN201310260238.3A Expired - Fee Related CN103381478B (en) | 2013-06-26 | 2013-06-26 | Die casting machine injection system |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752792B (en) * | 2014-01-26 | 2016-05-11 | 东莞市益格机电有限公司 | Energy saving die casting machine |
| CN105397051A (en) * | 2015-11-11 | 2016-03-16 | 无锡市鹏达液压机床厂 | Injection system for servo pressure casing machine |
| CN106968995B (en) * | 2017-04-26 | 2018-02-16 | 苏州三基铸造装备股份有限公司 | The die casting machine injection system started steadily |
| CN107520420A (en) * | 2017-09-06 | 2017-12-29 | 佛山市盈向精密机械科技有限公司 | A kind of injection punch head device on die casting machine |
| CN108453239B (en) * | 2018-03-12 | 2024-03-15 | 宁波海天金属成型设备有限公司 | Real-time closed-loop control oil cylinder injection control system and method |
| CN108679003A (en) * | 2018-05-28 | 2018-10-19 | 宁波海天金属成型设备有限公司 | Pressure closed loop controls oil circuit |
| CN110918937B (en) * | 2019-11-07 | 2022-03-25 | 宁波力劲科技有限公司 | Hydraulic control system for injection speed of die casting machine and control method thereof |
| CN112792312B (en) * | 2020-12-25 | 2022-02-11 | 重庆百吉四兴压铸有限公司 | High-pressure casting method by using speed-cut pressure injection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201735759U (en) * | 2010-07-29 | 2011-02-09 | 东莞市益格机电有限公司 | Integrated injection device of cold die casting machine |
| JP2011189385A (en) * | 2010-03-15 | 2011-09-29 | Toshiba Mach Co Ltd | Injection device of molding machine |
| JP2012055935A (en) * | 2010-09-09 | 2012-03-22 | Toyo Mach & Metal Co Ltd | Die cast machine |
| CN202621870U (en) * | 2012-04-28 | 2012-12-26 | 宜兴市佳晨压铸机制造有限公司 | Hydraulic system of energy-saving die-casting machine |
| CN203316700U (en) * | 2013-06-26 | 2013-12-04 | 东莞市益格机电有限公司 | Injection system of die-casting machine |
-
2013
- 2013-06-26 CN CN201310260238.3A patent/CN103381478B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011189385A (en) * | 2010-03-15 | 2011-09-29 | Toshiba Mach Co Ltd | Injection device of molding machine |
| CN201735759U (en) * | 2010-07-29 | 2011-02-09 | 东莞市益格机电有限公司 | Integrated injection device of cold die casting machine |
| JP2012055935A (en) * | 2010-09-09 | 2012-03-22 | Toyo Mach & Metal Co Ltd | Die cast machine |
| CN202621870U (en) * | 2012-04-28 | 2012-12-26 | 宜兴市佳晨压铸机制造有限公司 | Hydraulic system of energy-saving die-casting machine |
| CN203316700U (en) * | 2013-06-26 | 2013-12-04 | 东莞市益格机电有限公司 | Injection system of die-casting machine |
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