CN203711803U - Energy-saving die casting machine - Google Patents

Energy-saving die casting machine Download PDF

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Publication number
CN203711803U
CN203711803U CN201420052125.4U CN201420052125U CN203711803U CN 203711803 U CN203711803 U CN 203711803U CN 201420052125 U CN201420052125 U CN 201420052125U CN 203711803 U CN203711803 U CN 203711803U
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CN
China
Prior art keywords
valve
oil
injection
accumulator
actuator port
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CN201420052125.4U
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Chinese (zh)
Inventor
黄坚
刘文孝
周土海
钱建峰
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东莞市益格机电有限公司
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Priority to CN201420052125.4U priority Critical patent/CN203711803U/en
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Publication of CN203711803U publication Critical patent/CN203711803U/en

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Abstract

The utility model relates to an energy-saving die casting machine. The energy-saving die casing machine comprises a mode locking oil cylinder, an injection oil-way body, a first oil-way system, a second oil-way system, a third oil-way system, a slow injection system, an injection energy accumulator, a pressurizing energy accumulator and a low pressure energy accumulator, wherein the first oil-way system, the second oil-way system and the third oil-way system are respectively connected with the injection energy accumulator, the pressurizing energy accumulator and the low pressure energy accumulator; a mode locking body is connected with the first oil-way system, the second oil-way system and the third oil-way system through an oil-way control system; the injection oil-way body comprises a main oil cylinder; the injection energy accumulator and the pressurizing energy accumulator are arranged on the main oil cylinder; the injection energy accumulator acts at the back of the oil-way injection direction; the pressurizing energy accumulator acts in front of the oil-way injection direction; the output end of the slow injection system is connected with the oil-way control system; during die assembly, the low pressure energy accumulator drives a mode locking push rod inside the mode locking oil cylinder to act; after the die assembly is completed, the slow injection system is used for charging the low pressure energy accumulator.

Description

Energy saving die casting machine
Technical field
The utility model relates to a kind of die casting machine device, is specifically related to a kind of energy saving die casting machine.
Background technology
Die casting machine for by molten metal bath injection under pressure to mould cooling forming, after die sinking, obtain a series of industrial foundry machinery of solid metal foundry goods.Along with science and technology and industrial progress, especially, along with industrial expansions such as automobile, motorcycle and household electrical appliance, die casting machine role in industrial production is also increasing.
The stages such as die casting machine is a kind of typical cycling-load's equipment, and complete production cycle comprises matched moulds, shoots material, cooling and die sinking ejects.Conventionally the power of hydraulic test is provided by quantitative oil pump, and drives the motor of oil pump running always with its rated speed operation.Equipment is in the time of operation, and in the production cycle of each product, the speed of each link and pressure are by the proportioning valve in oil circuit and overflow valve control.The pressure providing when oil pump and flow exceed production of machinery and take, and unnecessary part will be back in fuel reserve tank by overflow valve.Equipment is in the time of actual motion, and the pressure that the each link in each production life cycle needs is different; But the pressure that oil pump provides is the maximum pressure of overflow valve restriction.While only having system not need pressure completely, just have off-load, motor in light running; Now motor still consumes larger electric energy.
Main loss in common extrusion process: first is overflow loss.With product and manufacturing procedure difference, the required hydraulic pressure of each operation, flow, pressure difference.For oil pump motor, die casting machine is in variable condition in the load of injection process.And the flow of pump is to design according to required maximum stream flow, the hydraulic flow that its former die casting oil pump motor provides with constant rotating speed, in the time that the required flow of die casting is less than maximum flow, unnecessary hydraulic pressure will reflux by overflow valve, and this part energy has just lost.Second is throttling loss.In the time that flowing through the restriction of valve, hydraulic oil has certain pressure drop, throttling loss that Here it is.Because the orifice size of direction valve is larger, so most throttling loss occurs on proportioning valve.The bad phenomenon such as the while circulates at full speed because hydraulic pressure is long-term and hydraulic part machinery acutely rubs, and causes oil temperature too high, and noise is excessive, shortening mechanical life.The 3rd is design margin loss.Conventionally in design, generally can take into account commonality, when design, taking heap(ed) capacity as basis, therefore the Capacity Ratio actual needs of user's Oil pump electrical machinery design exceeds a lot, has the phenomenon of " low load with strong power ", causes the waste of electric energy.
Utility model content
Based on this, be necessary for deficiency of the prior art, a kind of energy saving die casting machine that reduces headroom loss, saves electric energy that adopts is provided.
The utility model is achieved in the following ways: a kind of energy saving die casting machine, is characterized in that: comprise Mode-locking oil cylinder, injection oil circuit body, the first oil piping system, the second oil piping system, the 3rd oil piping system, slow shot system, press-shoot energy accumulator, supercharging accumulator and low pressure accumulator, described the first oil piping system, the second oil piping system and the 3rd oil piping system respectively with press-shoot energy accumulator, supercharging accumulator and low pressure accumulator connect, described locked mode body is by an oil path control system and the first oil piping system, the second oil piping system, the 3rd oil piping system connects, described injection oil circuit body comprises master cylinder, described press-shoot energy accumulator and supercharging accumulator are installed on master cylinder, described press-shoot energy accumulator acts on the rear of oil circuit injection direction, described supercharging accumulator acts on the front of oil circuit injection direction, the output of described slow shot system is connected with oil path control system, when matched moulds, low pressure accumulator drives the locked mode push rod start in Mode-locking oil cylinder, complete after matched moulds, slow shot system is filled energy to low pressure accumulator.
Further, described injection oil circuit body also comprises pressurizing cylinder, charged piston, injection oil cylinder and shot piston, 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, and described charged piston is arranged in pressurizing cylinder.
Further, be provided with differential pressure type check valve in described charged piston, described injection oil circuit body is provided with main oil gallery, and the hydraulic oil of described main oil gallery flow in injection oil cylinder from differential pressure type check valve.
Further, described these lock Mode-locking oil cylinder two ends are provided with oil-in and oil return opening, described oil path control system comprises check valve V7, reversal valve V6, inserted valve V8, reversal valve V10, reversal valve V31, the output of described check valve V7 is connected with the oil-in of Mode-locking oil cylinder, the input of this check valve V7 is connected with the actuator port of inserted valve V9, another actuator port of this inserted valve V9 is connected with outside oil storage tank, the control end of inserted valve V9 is connected on the actuator port of reversal valve V31, and another actuator port of this reversal valve V31 is connected with outside oil storage tank.Four actuator ports of described four-way change-over valve are respectively with oil-in, an actuator port of inserted valve V8 and the oil-out of Mode-locking oil cylinder, a free-ended actuator port of reversal valve V31 of Mode-locking oil cylinder with the output of slow shot system is connected, the input of check valve V7 connects, the free-ended actuator port of described inserted valve V8 is connected with the oil-in of Mode-locking oil cylinder, and the control end of described inserted valve is connected with the free-ended actuator port of reversal valve.
Further, described the first oil piping system comprises reversal valve S14, inserted valve V23, reversal valve V36, reversal valve V38, inserted valve V35, inserted valve V37.An actuator port of described reversal valve V24 is connected with the control end of inserted valve, being connected with a free-ended actuator port of injection accumulator and reversal valve V24 respectively of one actuator port of described inserted valve, another actuator port of this reversal valve V23 is connected with slow shot system, described reversal valve V36 and inserted valve V35, reversal valve V38 and inserted valve V37 are secondary control end, reversal valve V36 and reversal valve V38 control respectively the switching of inserted valve V35 and inserted valve V37, the actuator port of described inserted valve V35 and inserted valve V37 is connected with the output of injection accumulator, another actuator port of described inserted valve V35 and inserted valve V37 is connected with the input of oil path control system with check valve V27 by a commutator V29.
Further, described the second oil piping system comprises inserted valve V41 and reversal valve V43, two actuator ports on described inserted valve V41 are connected with booster-type accumulator and pressurizing cylinder 40 respectively, and two actuator ports of described reversal valve V43 are connected on the control end of inserted valve V41 and the output of booster-type accumulator.
Further, described the 3rd oil piping system comprises reversal valve V50, inserted valve V11, check valve V12, the control end of described inserted valve V11 is connected with the output of low pressure accumulator by commutator V50, free-ended another actuator port of this commutator V50 is connected with outside oil storage tank, an actuator port of described inserted valve V11 is connected with the output of slow shot system by check valve V12, inserted valve V11 is connected with the input of check valve V12, simultaneously, the output of check valve V12 is connected in by choke valve V15 on the output of low pressure accumulator, the controlled valve S10 of this choke valve V15 controls.
Further, the output of described slow shot system is connected with the input of oil path control system by a control valve V3.
In sum, the utility model energy saving die casting machine is designed to three loop hydraulic control circuits; In the oil pressure principle of former double loop, increase a low pressure tank circuit and meet the demand of the maximum oil mass of die casting machine.Moreover, configuration micro-machine oil pump, meet board high-pressure low-flow section die casting machine process requirements, realize direct saving electric energy.Utilize the stages such as cooling in die casting machine working cycles, pickup and spraying, oil pump overflow oil pressure is laid in to low pressure accumulation of energy bottle, carry out multiplex's section low pressure and mass flow and supplement technological requirement, take full advantage of the energy, complete die casting machine technological requirement with small machine oil pump, realize direct energy-saving electricity.Moreover, the favourable die casting machine oil pressure of small machine oil pump constant rotational speed stabilizes and increases oil pump service life.
Brief description of the drawings
Fig. 1 is the connection diagram of the utility model energy saving die casting machine, and its mesolow accumulator does not show.
Fig. 2 is the asphalt principle figure of the utility model energy saving die casting machine.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 and Figure 2 shows that a kind of energy saving die casting machine of the utility model one preferred embodiment, for extrusion molten liquid, makes it to form highly pressurised liquid injection to cooling forming in mould.This energy saving die casting machine comprises injection oil circuit body 10, Mode-locking oil cylinder 20, the first oil piping system 41, the second oil piping system 42, the 3rd oil piping system 43, slow shot system 45, press-shoot energy accumulator 31, supercharging accumulator 32 and low pressure accumulator 33.Described the first oil piping system 41, the second oil piping system 42 and the 3rd oil piping system 43 are connected with press-shoot energy accumulator 31, supercharging accumulator 32 and low pressure accumulator 33 respectively, and described Mode-locking oil cylinder 20 is connected with the first oil piping system 41, the second oil piping system 42, the 3rd oil piping system 43 by an oil path control system 44.
Described injection oil circuit body 10 comprises master cylinder 11, pressurizing cylinder 12, charged piston 13, injection oil cylinder 14 and shot piston 15.
Described press-shoot energy accumulator 31 and supercharging accumulator 32 are installed on master cylinder 11, described press-shoot energy accumulator 31 acts on the rear of oil circuit injection direction, described supercharging accumulator 32 acts on the front of oil circuit injection direction, and supercharging accumulator 32 is preposition, press-shoot energy accumulator 31 postposition.Described master cylinder 11 is provided with main oil gallery (figure is mark not), injection oil duct (not shown) and supercharging oil duct (not shown).Described shot piston 15 is installed in injection oil cylinder 14, the rear end of this injection oil cylinder 14 is connected with master cylinder 11 front ends, described pressurizing cylinder 12 is arranged at the front end in master cylinder 11, described charged piston 13 is arranged in pressurizing cylinder 12, in this charged piston 13, be provided with differential pressure type check valve 131, the hydraulic oil of described main oil gallery flow in pressurizing cylinder 12 from differential pressure type check valve 131.
Described press-shoot energy accumulator 31 is connected on injection oil duct, and this injection oil duct is provided with magnetic valve (not shown), by controlling the switching of magnetic valve, thereby controls being communicated with or mutually sealing of injection oil duct and main oil gallery.Described supercharging accumulator 32 is connected with supercharging oil duct, and described supercharging oil duct is provided with control valve, by controlling the switching of control valve, makes supercharging oil duct and the inner conducting of pressurizing cylinder 32 or sealing.
The integrated injection device of the utility model energy saving die casting machine is in the time that cold chamber die-casting machine moves, 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 31 discharge pressure to injection oil duct, pressure oil is through injection oil duct and differential pressure type check valve 131, enter the front side of pressurizing cylinder 12, the shot piston 15 promoting in injection oil cylinder 14 moves forward, tup fills solution in die casting machine die casting by runner, in the process of solution solidifies that fills die casting machine die casting, the control valve of injection oil duct is closed, the control valve of the oil duct of supercharging is simultaneously opened, supercharging accumulator 32 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 131 in charged piston 13, oil can not reflux, the tup that the shot piston 15 of the immense pressure of booster-type accumulator 32 in injection oil cylinder 14 is delivered to injection mechanism of die-casting machine again pushes and in die casting, starts the metallic solution that solidifies, get rid of the bubble in foundry goods, pore, foundry goods is organized finer and close.When after pressurize certain hour, close the control valve release of supercharging oil duct.
Described Mode-locking oil cylinder 20 provides clamp force while closing the rear feature die locked mode to mould for mould, and this mode locking cylinder is provided with locked mode push rod 21, and described Mode-locking oil cylinder 20 provides oil pressure to make locked mode push rod 21 support feature die, prevents the fused raw material generation seepage on feature die.Described low pressure accumulator 33 drives the locked mode push rod 21 of Mode-locking oil cylinder 20 to move forward and backward by the 3rd oil piping system 43, thereby while making locked mode push rod 21 matched moulds, compress public, when master mold or die sinking, unclamp public affairs, master mold, Mode-locking oil cylinder 20 two ends (being rodless cavity and rod chamber) are provided with oil-in and oil return opening, pass through to control the oil pressure of oil-in and oil return opening by outside oil circuit, thereby control the oil pressure at Mode-locking oil cylinder 20 two ends, in the time that the oil pressure of oil-in is greater than the oil pressure of oil return opening, locked mode push rod 21 is supported forward public affairs, master mold, in the time that the oil pressure of oil-in is less than the oil pressure of oil return opening, locked mode push rod 21 advances away from feature die direction to backward.
Please again consult Fig. 2, Fig. 2 is the schematic diagram of the oil path control system of the utility model energy saving die casting machine, in this oil path control system, described slow shot system is injected system pressure oil in pressurizing cylinder 12 through injection oil circuit, act on shot piston 15, and promote shot piston 15 and travel forward, realize the work of punching press fill material.The first oil piping system 41 and the second oil piping system 42 controls respectively press-shoot energy accumulator 31 and supercharging accumulator 32 is worked, the utility model also comprises fast oil draining system 46, fast oil draining system 46 carries out oil extraction processing to the oil of 12 li of pressurizing cylinders.
Described oil path control system 44 comprises check valve V7, reversal valve V6, inserted valve V8, reversal valve V10, reversal valve V31, the output of described check valve V7 is connected with the oil-in of Mode-locking oil cylinder 20, the input of this check valve V7 is connected with the actuator port of inserted valve V9, another actuator port of this inserted valve V9 is connected with outside oil storage tank, the control end of inserted valve V9 is connected on the actuator port of reversal valve V31, and another actuator port of this reversal valve V31 is connected with outside oil storage tank.Four actuator ports of described reversal valve V6 are respectively with oil-in, an actuator port of inserted valve V8 and the oil-out of Mode-locking oil cylinder 20, a free-ended actuator port of reversal valve V31 of Mode-locking oil cylinder with the output of slow shot system 45 is connected, the input of check valve V7 connects, and the free-ended actuator port of described inserted valve V8 is connected with the oil-in of Mode-locking oil cylinder 20.Being connected of the free-ended actuator port of the control end of described inserted valve V8 and reversal valve V10.
Described the first oil piping system 41 comprises reversal valve S14, inserted valve V23, reversal valve V36, reversal valve V38, inserted valve V35, inserted valve V37.An actuator port of described reversal valve V24 is connected with the control end of inserted valve V23, being connected with a free-ended actuator port of injection accumulator and reversal valve V24 respectively of an actuator port of described inserted valve V23, another actuator port of this reversal valve V23 is connected with slow shot system 45, described reversal valve V36 and inserted valve V35, reversal valve V38 and inserted valve V37 are secondary control end, reversal valve V36 and reversal valve V38 control respectively the switching of inserted valve V35 and inserted valve V37, the actuator port of described inserted valve V35 and inserted valve V37 is connected with the output of injection accumulator 31, another actuator port of described inserted valve V35 and inserted valve V37 is connected with the input of oil path control system with check valve V27 by a commutator V29.
Described the second oil piping system 42 comprises inserted valve V41 and reversal valve V43, two actuator ports on described inserted valve V41 are connected with booster-type accumulator 32 and pressurizing cylinder 12 respectively, and two actuator ports of described reversal valve V43 are connected on the control end of inserted valve V41 and the output of booster-type accumulator 32.
Described the 3rd oil piping system 43 comprises reversal valve V50, inserted valve V11, check valve V12, the control end of described inserted valve V11 is connected with the output of low pressure accumulator 33 by commutator V50, free-ended another actuator port of this commutator V50 is connected with outside oil storage tank, an actuator port of described inserted valve V11 is connected with the output of slow shot system 35 by check valve V12, inserted valve V11 is connected with the input of check valve V12, simultaneously, the output of check valve V12 is connected in by choke valve V15 on the output of low pressure accumulator 33, the controlled valve S10 of this choke valve V15 controls.The output of described slow shot system 45 is connected with the input of oil path control system by a control valve V3, and in addition, the output of described slow shot system 45 connects by the commutator V17 oil cylinder corresponding with the thimble of mould.
Preferably, press-shoot energy accumulator 31, supercharging accumulator 32 and the low pressure accumulator 33 of energy saving die casting machine of the present invention are connected with respectively Pressure gauge G5, Pressure gauge G4, Pressure gauge G6, whole oil circuit electrical control has adopted pressure sensing to carry out Based Intelligent Control, and press-shoot energy accumulator 31, supercharging accumulator 32 and low pressure accumulator 33 are carried out to intelligent ftercompction.
The utility model holds device solution overflow loss and two problems of throttling loss by increasing a low pressure, and die casting machine maximum stream flow is realized by low pressure accumulation of energy bottle, thereby optimizes the shortcoming of headroom loss design.Be 79L(high pressure 140kg/cm respectively if DCC200T die casting machine drive motors power is 7.5kw, n=1450 oil pump total flow 2, Q1=22L low pressure 50kg/cm 2, Q2=57L) low pressure holds oil bottle 23L, pressure drop is less than 10%.When work, the front preparation of first starting shooting, first carries out low pressure and holds the oil-filled 50kg/cm of oil bottle 2, fast the oil-filled 120-130kg/cm of oil bottle is held in injection 2, supercharging holds the oil-filled 110-120kg/cm of oil bottle 2.Be below the course of work of die casting circulation:
The S6 of a, matched moulds reversal valve V6 holds to such an extent that Voltage force oil enters the full mould rodless cavity of Mode-locking oil cylinder 20 through the oil-in of valve V6, promotes push rod 21 and advances, and the while S8 of reversal valve V10 holds electricly, the S9 of reversal valve V31 holds electricly.When matched moulds, the rod chamber fluid of Mode-locking oil cylinder 20 enters rodless cavity (differential principle) through inserted valve V8, check valve V7, realizes quick matched moulds; The S8 end power-off of reversal valve, the S9 end power-off of reversal valve V31, the S14 of reversal valve V24 holds electricly, pressure oil carries out flow supply through inserted valve V23, thereby carries out high press-fitting mould.
B, shoot material, reversal valve S15 obtains Voltage force oil content and does not carry out slow shot through inserted valve V11, reversal valve V29, and according to Pressure gauge G5, Pressure gauge G4, Pressure gauge oil pressure that G6 surveys, flow valve V3 controls slow shot speed (adjustable range 0.01-0.5m/s); The S13 end power-off of reversal valve V50, the S20 of reversal valve V36 hold to such an extent that the Voltage force oil back cavity that enters pressurizing cylinder through inserted valve V35 is realized fast shot.Complete after fast shot, the S21 of reversal valve V43 holds electricly, the S20 of reversal valve V36 end power-off pressure oil is realized supercharging through inserted valve V41, material cooling stage, and control valve S10 obtains electric, the oil-filled pressure of low pressure accumulator.
D, die sinking, the S7 of reversal valve V6 holds electricly, the S19 of reversal valve V38 holds electricly, hydraulic oil flows into main oil pipe through inserted valve V23, the S9 of reversal valve V31 holds to such an extent that electricly carry out high pressure die sinking at a slow speed, complete after preliminary die sinking, the S13 of the S9 end of reversal valve V31 and reversal valve V24 end S14 power-off, reversal valve V50 holds electricly, after matched moulds, chamber oil in Mode-locking oil cylinder, through the quick oil return of check valve V7, is realized quick die sinking.Complete after quick die sinking, the S13 end power-off of reversal valve V50, the S9 of reversal valve V10 hold electricly, and low pressure cushions at a slow speed die sinking.The S19 of reversal valve V38 holds electricly simultaneously, and inserted valve V37 opens as follow-up type valve, realizes tup and follows out.
The S16 of e, reversal valve V29 holds electricly, and the oil of 12 li of pressurizing cylinders is carried out to oil extraction processing.
The S11 of f, reversal valve V17 hold electricly eject, the S12 of reversal valve V17 holds electricly, thimble pushes up back, a die casting has circulated.
Be below common 200T die casting machine and the test of the direct power supply energy-saving machine of DCC200T manufacturing parameter contrast table:
Type Common DCC200T machine Energy-conservation DCC200T machine
Motor Level Four 18.5kw asynchronous motor Level Four 7.5kw asynchronous motor
Oil pump SQP21-25-14 SQP21-17-6
Pressure P 1 14mpa 14mpa
Pressure P 2 7mpa 5mpa
Hydraulic oil initial temperature DEG C 28 28
Hydraulic pressure temperature DEG C after 1 o'clock 40 37.5
Hour die casting modulus 230 240
Hour power consumption 15.3kw/ hour 10kw/ hour
Known above, the DCC200T controlling by employing the utility model casting machine injection system is than common 200T die casting machine energy-conservation 35%.
In sum, the utility model energy saving die casting machine is designed to three loop hydraulic control circuits; In the oil pressure principle of former double loop, increase a low pressure tank circuit and meet the demand of the maximum oil mass of die casting machine.And configuration micro-machine oil pump, meets board high-pressure low-flow section die casting machine process requirements, realizes direct saving electric energy; Utilize the stages such as cooling in die casting machine working cycles, pickup and spraying, oil pump overflow oil pressure is laid in to low pressure accumulation of energy bottle, carry out multiplex's section low pressure and mass flow and supplement technological requirement, take full advantage of the energy, complete die casting machine technological requirement with small machine oil pump, realize direct energy-saving electricity.Finally, the favourable die casting machine oil pressure of small machine oil pump constant rotational speed is stabilized and increased oil pump service life.
The foregoing is only better case study on implementation of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (8)

1. an energy saving die casting machine, is characterized in that: comprise Mode-locking oil cylinder, injection oil circuit body, the first oil piping system, the second oil piping system, the 3rd oil piping system, slow shot system, press-shoot energy accumulator, supercharging accumulator and low pressure accumulator, described the first oil piping system, the second oil piping system and the 3rd oil piping system respectively with press-shoot energy accumulator, supercharging accumulator and low pressure accumulator connect, described locked mode body is by an oil path control system and the first oil piping system, the second oil piping system, the 3rd oil piping system connects, described injection oil circuit body comprises master cylinder, described press-shoot energy accumulator and supercharging accumulator are installed on master cylinder, described press-shoot energy accumulator acts on the rear of oil circuit injection direction, described supercharging accumulator acts on the front of oil circuit injection direction, the output of described slow shot system is connected with oil path control system, when matched moulds, low pressure accumulator drives the locked mode push rod start in Mode-locking oil cylinder, completes after matched moulds, and slow shot system is filled energy to low pressure accumulator.
2. energy saving die casting machine according to claim 1, it is characterized in that: described injection oil circuit body also comprises pressurizing cylinder, charged piston, injection oil cylinder and shot piston, 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, and described charged piston is arranged in pressurizing cylinder.
3. energy saving die casting machine according to claim 2, is characterized in that: in described charged piston, be provided with differential pressure type check valve, described injection oil circuit body is provided with main oil gallery, and the hydraulic oil of described main oil gallery flow in injection oil cylinder from differential pressure type check valve.
4. energy saving die casting machine according to claim 1, it is characterized in that: described these lock Mode-locking oil cylinder two ends are provided with oil-in and oil return opening, described oil path control system comprises check valve V7, reversal valve V6, inserted valve V8, reversal valve V10, reversal valve V31, the output of described check valve V7 is connected with the oil-in of Mode-locking oil cylinder, the input of this check valve V7 is connected with the actuator port of inserted valve V9, another actuator port of this inserted valve V9 is connected with outside oil storage tank, the control end of inserted valve V9 is connected on the actuator port of reversal valve V31, another actuator port of this reversal valve V31 is connected with outside oil storage tank.Four actuator ports of described four-way change-over valve are respectively with oil-in, an actuator port of inserted valve V8 and the oil-out of Mode-locking oil cylinder, a free-ended actuator port of reversal valve V31 of Mode-locking oil cylinder with the output of slow shot system is connected, the input of check valve V7 connects, the free-ended actuator port of described inserted valve V8 is connected with the oil-in of Mode-locking oil cylinder, being connected of the free-ended actuator port of the control end of described inserted valve V8 and reversal valve V10.
5. energy saving die casting machine according to claim 4, is characterized in that: described the first oil piping system comprises reversal valve S14, inserted valve V23, reversal valve V36, reversal valve V38, inserted valve V35, inserted valve V37.An actuator port of described reversal valve V24 is connected with the control end of inserted valve, being connected with a free-ended actuator port of injection accumulator and reversal valve V24 respectively of one actuator port of described inserted valve, another actuator port of this reversal valve V23 is connected with slow shot system, described reversal valve V36 and inserted valve V35, reversal valve V38 and inserted valve V37 are secondary control end, reversal valve V36 and reversal valve V38 control respectively the switching of inserted valve V35 and inserted valve V37, the actuator port of described inserted valve V35 and inserted valve V37 is connected with the output of injection accumulator, another actuator port of described inserted valve V35 and inserted valve V37 is connected with the input of oil path control system with check valve V27 by a commutator V29.
6. energy saving die casting machine according to claim 5, it is characterized in that: described the second oil piping system comprises inserted valve V41 and reversal valve V43, two actuator ports on described inserted valve V41 are connected with booster-type accumulator and pressurizing cylinder 40 respectively, and two actuator ports of described reversal valve V43 are connected on the control end of inserted valve V41 and the output of booster-type accumulator.
7. energy saving die casting machine according to claim 6, it is characterized in that: described the 3rd oil piping system comprises reversal valve V50, inserted valve V11, check valve V12, the control end of described inserted valve V11 is connected with the output of low pressure accumulator by commutator V50, free-ended another actuator port of this commutator V50 is connected with outside oil storage tank, an actuator port of described inserted valve V11 is connected with the output of slow shot system by check valve V12, inserted valve V11 is connected with the input of check valve V12, simultaneously, the output of check valve V12 is connected in by choke valve V15 on the output of low pressure accumulator, the controlled valve S10 of this choke valve V15 controls.
8. energy saving die casting machine according to claim 1, is characterized in that: the output of described slow shot system is connected with the input of oil path control system by a control valve V3.
CN201420052125.4U 2014-01-26 2014-01-26 Energy-saving die casting machine CN203711803U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103752792A (en) * 2014-01-26 2014-04-30 东莞市益格机电有限公司 Energy-saving die casting machine
CN104550824A (en) * 2015-01-19 2015-04-29 张卫红 Rheology and thixotropy integrated casting and forming machine
CN104999048A (en) * 2015-07-31 2015-10-28 广东伊之密精密机械股份有限公司 Booster-type mode-locked hydraulic mechanism of heavy die casting machine
CN105415731A (en) * 2015-12-23 2016-03-23 华中科技大学 Water hydraulic die-casting machine and hydraulic system thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103752792A (en) * 2014-01-26 2014-04-30 东莞市益格机电有限公司 Energy-saving die casting machine
CN103752792B (en) * 2014-01-26 2016-05-11 东莞市益格机电有限公司 Energy saving die casting machine
CN104550824A (en) * 2015-01-19 2015-04-29 张卫红 Rheology and thixotropy integrated casting and forming machine
CN104999048A (en) * 2015-07-31 2015-10-28 广东伊之密精密机械股份有限公司 Booster-type mode-locked hydraulic mechanism of heavy die casting machine
CN105415731A (en) * 2015-12-23 2016-03-23 华中科技大学 Water hydraulic die-casting machine and hydraulic system thereof

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