CN205056985U - Evacuated die -casting process aided forming system - Google Patents
Evacuated die -casting process aided forming system Download PDFInfo
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- CN205056985U CN205056985U CN201520615372.5U CN201520615372U CN205056985U CN 205056985 U CN205056985 U CN 205056985U CN 201520615372 U CN201520615372 U CN 201520615372U CN 205056985 U CN205056985 U CN 205056985U
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Abstract
The utility model relates to an evacuated die -casting process aided forming system, including pressing room and die cavity, connecting vacuum valve and the gas circuit vacuum system and the control of pressing between room and the die cavity gas circuit vacuum system's electric vacuum system, electric vacuum system is provided with a pressure transmitter, the 2nd pressure transmitter and the vacuum pump that concatenates in proper order, real empty can, reposition of redundant personnel chip and pneumatic triple piece, a pressure transmitter, the 2nd pressure transmitter and the vacuum pump that concatenates in proper order, real empty can, reposition of redundant personnel chip and the pneumatic triple piece switch realization through the difference switching on and breaking off each other, thereby make this evacuated die -casting process aided forming system have the mode of two kinds of differences, ordinary die -casting and evacuated die -casting process promptly, in order to avoid metal liquid to block up the vacuum valve, also help improving product quality, increase production efficiency.
Description
Technical field
The utility model relates to a kind of evacuated die-casting process assistant formation system, particularly relates to a kind of formation system utilizing evacuated die-casting process technology.
Background technology
More and more nervous along with worldwide energy supply, and the gas discharging of Global Greenhouse Effect is day by day serious, add the present situation that the competition of such as auto manufacturing is more and more fierce, the Advanced Auto Manufacturing Technology of " the low row's low cost of low energy " just becomes a Sustainable Development Trend of automobile manufacture industry.And be a kind of method of very effective energy-saving and emission-reduction by car light-weight technologg.In this development, the measure of present stage mainly make use of aluminium alloy to replace in the past iron or the materials such as steel, the vehicle body that all aluminium alloy as German car model AUDI--A8 manufactures.
Growing along with technical merit, there is sizable development in the country such as Japan and Germany in the forming technique manufacturing high tough aluminium alloy, can produce the part with advantages such as the thin quality of wall is light, complex-shaped, high-intensity high-tenacities.Die casting is one of main method of shaped aluminum alloy foundry goods, in auto parts and components are produced, occupy sizable ratio.But the inside die-casting part pore manufactured by traditional pressure casting method is many, cannot weld or the reason such as heat treatment, current state-of-the-art technology is for adopting evacuated die-casting process, the principle of evacuated die-casting process be to take away or take away in mold cavity a wherein part gas, make to reduce the air pressure in die cavity, thus allow gas in stamp and alloy melt more easily discharge, so molten aluminum liquid is full of die cavity under pressure, and solidifies under pressure action and obtain a kind of moulding process of die casting compact structure.But the current following problem of evacuated die-casting process ubiquity, die debugging, slow shot and improper production time, because existing evacuated die-casting process assistant formation system adopts evacuated die-casting process, so, result in the problem of molten metal blocking vacuum valve.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind ofly has two kinds of different mode of operations, avoids molten metal to block vacuum valve, also contributes to improving product quality, the evacuated die-casting process assistant formation system of enhancing productivity.
A kind of evacuated die-casting process assistant formation system of the present utility model, comprise pressure chamber and die cavity, be connected to vacuum valve between pressure chamber and die cavity and gas circuit vacuum system and control the electrical vacuum system of described gas circuit vacuum system, described gas circuit vacuum system comprises the first pressure transmitter, second pressure transmitter and the vavuum pump be connected in series successively, vacuum tank, the gentle dynamic three linked piece of shunting chip, the port of export of described vacuum tank connects described second pressure transmitter, described shunting chip has import, P brings out mouth, M brings out mouth and S brings out mouth, the import of described shunting chip is connected with vacuum tank, the P that described pneumatic triple piece is connected to shunting chip respectively brings out mouth, M brings out mouth, S brings out mouth, the M of described shunting chip brings out mouth and is also connected to the first pressure transmitter, the first switching device making both conductings or disconnection is provided with between the import of described shunting chip and vacuum tank, the P of described pneumatic triple piece and shunting chip brings out the second switch device being provided with between mouth and making both conductings or disconnection, the M of described pneumatic triple piece and shunting chip brings out the 3rd switching device being provided with between mouth and making both conductings or disconnection, the S of described pneumatic triple piece and shunting chip brings out the 4th switching device being provided with between mouth and making both conductings or disconnection, the M of described shunting chip brings out the 5th switching device being provided with between mouth and the second pressure transmitter and making both conductings or disconnection.
Further, the P of described shunting chip brings out between mouth and pneumatic triple piece and is also serially connected with pressure regulator valve.
Further, described first switching device, second switch device, the 3rd switching device, the 4th switching device and the 5th switching device are magnetic valve.
Further, described pneumatic triple piece comprises the oil sprayer of serial connection, pressure-reducing valve and filter.
Further, described gas circuit vacuum system also comprises the first filter in the import being arranged on described shunting chip.
Further, described electrical vacuum system comprises controller, the A/D modular converter be connected with described controller signals, the pressure sensor be connected with described A/D modular converter signal, described pressure sensor detects vacuum valve, the numerical value of vacuum tank, described A/D modular converter receives vacuum valve, the numerical value of vacuum tank also converts data signal to and is sent to controller, the data signal that described controller sends according to A/D modular converter and die casting signal control vavuum pump, first switching device, second switch device, 3rd switching device, 4th switching device and the 5th switching device.
Further, described electrical vacuum system also comprises the touch-screen be connected with described controller signals.
Further, described vacuum valve comprises the first valve block, is oppositely arranged on compensator and the second valve block of described first valve block both sides, described first valve block is connected by starting cylinder with between the second valve block, also be connected with from dynamic air cylinder between described first valve block and the second valve block, described startup cylinder has startup piston, described have relay piston from dynamic air cylinder, and described startup piston is connected by disk with relay piston.
Further, be also connected with servo cylinder between described first valve block and the second valve block, described servo cylinder has the servo piston be fixed on described disk.
Further, the side of described compensator described first valve block dorsad offers cavity, be provided with compensator buffer disc in described cavity and compensate positioning disk, and described compensation positioning disk is positioned at the outside of described compensator buffer disc, be bolted between described compensator buffer disc and compensation positioning disk, the first disc spring is clamped with between described compensator buffer disc and compensation positioning disk, tied by pretension between described first valve block and the second valve block and connect, disc spring groove is provided with in described second valve block, disc spring is provided with in described disc spring groove, one end of described pretension bolt compresses disc spring.
The beneficial effects of the utility model are as follows: the gas circuit vacuum system due to evacuated die-casting process assistant formation system of the present utility model is provided with the first pressure transmitter, the second pressure transmitter and the vavuum pump be connected in series successively, vacuum tank, the gentle dynamic three linked piece of shunting chip, and above-mentioned parts connect in by each switch realization conducting each other and disconnection, thus make this evacuated die-casting process assistant formation system have two kinds of different mode of operations, i.e. common die casting and evacuated die-casting process, vacuum valve is blocked to avoid molten metal, also contribute to improving product quality, enhance productivity.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the evacuated die-casting process assistant formation system shown in the utility model;
Fig. 2, Fig. 3 and Fig. 4 are the schematic diagram of gas circuit vacuum system when different operating state for evacuated die-casting process assistant formation system of the present utility model;
Fig. 5 is the schematic diagram of the electrical vacuum system of evacuated die-casting process assistant formation system for this;
Fig. 6 is the sectional view of the vacuum valve for evacuated die-casting process assistant formation system of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Refer to Fig. 1 and Fig. 2, a kind of evacuated die-casting process assistant formation system described in the utility model one preferred embodiment comprises housing 10, be arranged on pressure chamber (not shown) in described housing 10 and die cavity (not shown), be connected to vacuum valve (not shown) between pressure chamber and die cavity and gas circuit vacuum system 20 and control the electrical vacuum system of described gas circuit vacuum system 20.Described housing 10 is provided with the first control cabinet 30 and the second control cabinet 40.
Described gas circuit vacuum system 20 comprises the first pressure transmitter 21, second pressure transmitter 22 and the vavuum pump (not shown) be connected in series successively, vacuum tank 24, shunting chip 25 and pneumatic triple piece 26.Above-mentioned first pressure transmitter 21, second pressure transmitter 22, shunting chip 25 and pneumatic triple piece 26 are arranged in the first control cabinet 30, and vavuum pump, vacuum tank 24 are arranged on the outside of the first control cabinet 30.Auspicious vacuum system and correlation theory calculating is reached according to Switzerland side, the volume of the vacuum tank 24 of evacuated die-casting process assistant formation system need be greater than 100L, existing vacuum tank 24 shape is generally square tank body, waist type body and cylindricality tank body, in the present embodiment, square tank body selected by this vacuum tank 24, and its reason is: square tank body spatial volume reaches peak use rate, compact conformation, integration in appearance, coordinates the installation with vavuum pump of laying rationally being convenient to the first control cabinet 30.The model that vavuum pump in the present embodiment adopts is TX-25, and the technical parameter of this vavuum pump is as shown in table 1-1.
Table 1-1 vacuum pump technology parameter list
The port of export of described vacuum tank 24 connects described second pressure transmitter 22, described shunting chip 25 has import, P brings out mouth, M brings out mouth and S brings out mouth, the import of described shunting chip 25 is connected with vacuum tank 24, the P that described pneumatic triple piece 26 is connected to shunting chip 25 respectively brings out mouth, M brings out mouth, S brings out mouth, the M of described shunting chip 25 brings out mouth and is also connected to the first pressure transmitter 21, the first switching device making both conductings or disconnection is provided with between the import of described shunting chip 25 and vacuum tank 24, the P of described pneumatic triple piece 26 and shunting chip 25 brings out the second switch device being provided with between mouth and making both conductings or disconnection, the M of described pneumatic triple piece 26 and shunting chip 25 brings out the 3rd switching device being provided with between mouth and making both conductings or disconnection, the S of described pneumatic triple piece 26 and shunting chip 25 brings out the 4th switching device being provided with between mouth and making both conductings or disconnection, the M of described shunting chip 25 brings out the 5th switching device being provided with between mouth and the firstth pressure transmitter 21 and making both conductings or disconnection.In the present embodiment, above-mentioned first switching device, second switch device, the 3rd switching device, the 4th switching device and the 5th switching device are magnetic valve, described first switching device is make vacuum tank 24 and the shunting import conducting of chip 25 or the 2/2-way valve of disconnection, this 2/2-way valve called after valve 1, described second switch device comprises a two-position three-way valve (called after valve 5), the P of described shunting chip 25 brings out between mouth and pneumatic triple piece 26 and is also serially connected with pressure regulator valve 29, and this pressure regulator valve 29 is serially connected between valve 5 and pneumatic triple piece 26.Described 3rd switching device is a 2/2-way valve (called after valve 3), described 4th switching device is a two-position three-way valve (called after valve 2), and described 5th switching device is a 2/2-way valve (called after valve 4).Except the present embodiment, this first switching device, second switch device, the 3rd switching device, the 4th switching device and the 5th switching device can not be magnetic valve, as being travel switch etc.Described gas circuit vacuum system 20 also comprise be arranged on described shunting chip 25 import on the first filter 27, the particular location of this first filter 27 is: be serially connected in the first switching device and shunting chip 25 import between.Described pneumatic triple piece 26 comprises the oil sprayer, pressure-reducing valve and the filter that are connected in series successively, the import of described oil sprayer respectively with shunting chip 25 P brings out mouth, M brings out mouth, S brings out mouth and is connected, described filter output squeezing air.
Above-mentioned gas circuit vacuum system 20 can realize common die casting and evacuated die-casting process two kinds of mode of operations, as follows:
1. common die casting (namely without vacuumizing die casting)
At debugging mould or before slow shot operates normal production work, because of mould and vacuum valve temperature on the low side, the flowing mold-filling capacity of metal is poor, now, just selects common die casting pattern.In this mode, vacuum valve is in closed condition all the time under matched moulds state, does not namely vacuumize in die cavity and directly carries out die casting.When debugging or mold temperature reach pre-provisioning request, molten metal can be filled to all sites of vacuum valve well, namely switches to Vacuum Die Casting Mould formula.Therefore, die debugging, slow shot and improper production time use this pattern, otherwise, will cause molten metal block vacuum valve.Under this pattern, magnetic valve operating state is as shown in table 1-2:
Magnetic valve state table during table 1-2 common die casting pattern
"-" indicates power-off, "+" indicates energising.
2. evacuated die-casting process
Evacuated die-casting process refers to and relies on the metal kinetic energy of molten metal to produce inertial impact force thus the mode of operation of closedown spool.In this mode, the gas limit in die cavity is extracted out, and type is filled on molten metal limit, and before molten metal arrives vacuum valve exhaust duct end, vacuum valve just relies on the impulsive force of molten metal to touch and vacuum port and die cavity completely cut off, prevents molten metal from entering vacuum pipe from face.Its magnetic valve operating state is as shown in table 1-3:
Magnetic valve state table under table 1-3 evacuated die-casting process pattern
"-" indicates power-off, "+" indicates energising.
Incorporated by reference to Fig. 2 to Fig. 4, above-mentioned gas circuit vacuum system 20 principle is specific as follows: this gas circuit vacuum system 20 has two aspects to form, and one is vacuum passage, and another is compressed air channel.When die casting machine normally works, mould matched moulds, pouring basin signal is closed when receiving drift, after T1 second, valve 1, valve 4, valve 5 are energized, and (valve 1 is opened and is vacuumized function, valve 4 is opened and is measured die cavity vacuum function, air assisted function opened by valve 5), startup vacuumizes, start to measure die cavity vacuum (measurement of vacuum in the T2 time simultaneously, need ensure that injection records before terminating), valve 4 power-off (vacuum measurement completes) after T2 second, terminates through T3 final vacuum second, now valve 1, valve 5 power-off (vacuum terminates).When receiving die sinking signal, valve 3 is energized (starting to blow), valve 3 power-off after T5 second (terminates to blow, jet duration T5 second, need ensure winding-up duration be greater than release agent spraying and coating time to prevent releasing agent, coating enters vacuum pipe), wait for next drift signal, if after T6 postpones second attonity; automatic shutdown.
Refer to Fig. 5, described electrical vacuum system comprises the controller 31 be arranged in the second control cabinet 40, the A/D modular converter 32 be connected with described controller 31 signal, the pressure sensor 33 be connected with described A/D modular converter 32 signal and touch-screen 34.Described pressure sensor 33 detects the numerical value of vacuum tank 24, vacuum valve 50, described A/D modular converter 32 receives the numerical value of pressure sensor 33 and converts data signal to and be sent to controller 31, the data signal that described controller 31 sends according to A/D modular converter 32 and casting pressure signal, control vavuum pump 23, touch-screen 34, first switching device, second switch device, the 3rd switching device, the 4th switching device and the 5th switching device.In the present embodiment, PLC (ProgrammableLogicController selected by described controller 31, programmable logic controller (PLC)), its central processing unit as system commander whole system, external input signal should be read, as the closed inlet orifice signal of drift, the die sinking signal of die casting machine or die casting machine die sinking put in place signal etc.; Output signal the startup stopping of control vavuum pump 23, the action of vacuum valve 50, the data display etc. of touch-screen 34 again.A/D modular converter reads analog signal from pressure sensor 33 and converts data signal to, and controller 31 is stored into the data register of specifying by reading command digital independent.Touch-screen 34 communicates with controller 31, can easily realize man-machine between communication, and to monitor in real time and reading and writing data the soft element of controller 31.
Refer to Fig. 6, described vacuum valve comprises the first valve block 41, is oppositely arranged on compensator 42 and the second valve block 43 of described first valve block 41 both sides.Described first valve block 41 is connected by starting cylinder 44 with between the second valve block 43, also be connected with from dynamic air cylinder (non-label) and servo cylinder 46 between described first valve block 41 and the second valve block 43, described startup cylinder 44 has the startup cylinder body be fixed on the first valve block 41 and the startup piston be arranged on described second valve block 43, described have the driven cylinder body be fixed on the first valve block 41 and the relay piston be arranged on the second valve block 43 from dynamic air cylinder, described servo cylinder 46 has the servo cylinder body be fixed on the first valve block 41 and the servo piston be arranged on described second valve block 43, described startup piston, relay piston, servo piston is connected by disk 45.The side of described compensator 42 described first valve block 41 dorsad offers cavity 421, be provided with compensator buffer disc 471 in described cavity 421 and compensate positioning disk 472, and described compensation positioning disk 472 is positioned at the outside of described compensator buffer disc 471, be connected by bolt 473 between described compensator buffer disc 471 with compensation positioning disk 472, the first disc spring 474 is clamped with between described compensator buffer disc 471 and compensation positioning disk 472, connected by pretension bolt 48 between described first valve block 41 and the second valve block 43, disc spring groove 431 is provided with in described second valve block 43, the second disc spring 432 is provided with in described disc spring groove 431, one end of described pretension bolt 48 compresses the second disc spring 432.This vacuum valve starts cylinder 44 by using disk 45 to connect and from dynamic air cylinder, adds servo cylinder 46 simultaneously, improves the sensitivity of transmission mechanism; Prevent molten metal in press casting procedure from flying out by arranging the first disc spring 474 pretension; Reset is locked by arranging the second disc spring 432.The functional principal of this vacuum valve is as follows:
1., a press casting procedure starts, and die casting does mould assembling action, and compensator 42 and mould dynamic model together move, and promotes pretension bolt 48 simultaneously and drives compensator buffer disc 471 to move to make the first disc spring 474 compression allow vacuum valve be in released state;
2., when die casting machine punch action, pressure chamber and mold cavity are in the state of being sealed, and now open underpressure pattern, and the pressure chamber be sealed is communicated with vacuum tank with by vacuum valve with die cavity, realize die casting overall process and are in vacuum state;
3., vacuum valve guiding in channel is entered by charging aperture when molten metal is full of die cavity, first it touch and start cylinder 44, now start cylinder 44 drives exhaust pition 51 and servo cylinder 46 to produce the displacement of about 0.7mm by disk 45 under metal kinetic energy promotes, servo cylinder 46 becomes suddenly large because of the lifting surface area being compressed air in the process producing displacement, thus enough power is had to drive disk 45 to continue motion together with exhaust pition 51, thus exhaust pition 51 is closed, (now vacuum line and die cavity disconnect to vacuumize end, thus prevent molten metal from entering vacuum line).This process arrives at molten metal and completes before dynamic air cylinder (this process can complete in 1ms).
4., after stowing operation completes and cool, die casting is opened, discharged by the second disc spring 432 elastic force compressed, promote positioning disk 52, thus drive disk 45 and start cylinder 44, exhaust pition 51, servo cylinder 46 reset locking, while reset, exhaust pition 51 also has the solidifying material of the maze trough metal in vacuum valve release effect, ensures that it stays dynamic model side.After mould die sinking puts in place, evacuated die-casting process assistant formation system acceptance is to signal enabling blowing function, and compressed air after filtering blows out bottom exhaust pition 51, realizes automatic cleaning function, improves the duration that works online of vacuum valve.
According to the work on the spot environment residing for the action request of above-mentioned vacuum valve and evacuated die-casting process assistant formation system, evacuated die-casting process assistant formation system demand fulfillment require following some:
1. system must ensure the reliability and stability of onsite application;
2. select as much as possible high temperature resistant, corrosion-resistant, shock resistance is good, the element of long service life;
3. to needing the physical quantity detected to monitor in real time, as vacuum tank vacuum, die cavity vacuum, dustiness and oil cylinder working-pressure etc., when detect pressure exceed the default upper limit or lower in limited time, evacuated die-casting process assistant formation system can and alarm shut down;
4. evacuated die-casting process assistant formation systematic parameter can be revised.
According to the actual conditions of Die Casting, this evacuated die-casting process assistant formation system controls by adopting PLC, thus is applicable to various die casting machine.This evacuated die-casting process assistant formation system has common die casting (without vacuumizing die casting) and evacuated die-casting process two kinds of mode of operations, and the test of mould sealing property, the function such as controllability, the test of vacuum line blocked state to different mould or die casting machine can be carried out, also can have the several functions such as warning, data display simultaneously.This evacuated die-casting process assistant formation system work process is as follows: when evacuated die-casting process assistant formation systems axiol-ogy closes sprue gate (namely the receiving vacuum enabling signal) of pressure chamber to the drift of die casting machine, PLC sends the signal opening vacuum line, start to vacuumize, and measure the vacuum in die cavity in real time.When molten metal touches active piston, vacuum valve cuts out, and vacuumizes end, when detect die sinking or die sinking put in place signal (i.e. vacuum stop signal) time, PLC unlatching vacuum valve blowing function.Die casting is complete, and when compression mod is opened, during the operations such as die casting machine pickup, spraying, evacuated die-casting process assistant formation system then completes the actions such as vacuum valve reset, vacuum valve cleaning, vacuum line test.When compression mod matched moulds signal being detected, vacuum valve self-locking releasing, for next die casting circulation is ready.
In sum, the gas circuit vacuum system 20 of above-mentioned evacuated die-casting process assistant formation system is provided with the first pressure transmitter 21, second pressure transmitter 22 and the vavuum pump 23 be connected in series successively, vacuum tank 24, shunting chip 25 and pneumatic triple piece 26, and above-mentioned parts connect in by each switch realization conducting each other and disconnection, thus make this evacuated die-casting process assistant formation system have two kinds of different mode of operations, i.e. common die casting and evacuated die-casting process, molten metal is avoided to block vacuum valve, also contribute to improving product quality, enhance productivity.
The above is only preferred embodiment of the present utility model; be not limited to the utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (10)
1. an evacuated die-casting process assistant formation system, comprise pressure chamber and die cavity, be connected to vacuum valve between pressure chamber and die cavity and gas circuit vacuum system and control the electrical vacuum system of described gas circuit vacuum system, it is characterized in that: described gas circuit vacuum system comprises the first pressure transmitter, second pressure transmitter and the vavuum pump be connected in series successively, vacuum tank, the gentle dynamic three linked piece of shunting chip, the port of export of described vacuum tank connects described second pressure transmitter, described shunting chip has import, P brings out mouth, M brings out mouth and S brings out mouth, the import of described shunting chip is connected with vacuum tank, the P that described pneumatic triple piece is connected to shunting chip respectively brings out mouth, M brings out mouth, S brings out mouth, the M of described shunting chip brings out mouth and is also connected to the first pressure transmitter, the first switching device making both conductings or disconnection is provided with between the import of described shunting chip and vacuum tank, the P of described pneumatic triple piece and shunting chip brings out the second switch device being provided with between mouth and making both conductings or disconnection, the M of described pneumatic triple piece and shunting chip brings out the 3rd switching device being provided with between mouth and making both conductings or disconnection, the S of described pneumatic triple piece and shunting chip brings out the 4th switching device being provided with between mouth and making both conductings or disconnection, the M of described shunting chip brings out the 5th switching device being provided with between mouth and the second pressure transmitter and making both conductings or disconnection.
2. evacuated die-casting process assistant formation system according to claim 1, is characterized in that: the P of described shunting chip brings out between mouth and pneumatic triple piece and is also serially connected with pressure regulator valve.
3. evacuated die-casting process assistant formation system according to claim 1, is characterized in that: described first switching device, second switch device, the 3rd switching device, the 4th switching device and the 5th switching device are magnetic valve.
4. evacuated die-casting process assistant formation system according to claim 3, is characterized in that: described pneumatic triple piece comprises the oil sprayer of serial connection, pressure-reducing valve and filter.
5. evacuated die-casting process assistant formation system according to claim 1, is characterized in that: described gas circuit vacuum system also comprises the first filter in the import being arranged on described shunting chip.
6. evacuated die-casting process assistant formation system according to claim 1, it is characterized in that: described electrical vacuum system comprises controller, the A/D modular converter be connected with described controller signals, the pressure sensor be connected with described A/D modular converter signal, described pressure sensor detects vacuum valve, the numerical value of vacuum tank, described A/D modular converter receives vacuum valve, the numerical value of vacuum tank also converts data signal to and is sent to controller, the data signal that described controller sends according to A/D modular converter and die casting signal control vavuum pump, first switching device, second switch device, 3rd switching device, 4th switching device and the 5th switching device.
7. evacuated die-casting process assistant formation system according to claim 6, is characterized in that: described electrical vacuum system also comprises the touch-screen be connected with described controller signals.
8. evacuated die-casting process assistant formation system according to claim 1, it is characterized in that: described vacuum valve comprises the first valve block, is oppositely arranged on compensator and the second valve block of described first valve block both sides, described first valve block is connected by starting cylinder with between the second valve block, also be connected with from dynamic air cylinder between described first valve block and the second valve block, described startup cylinder has startup piston, described have relay piston from dynamic air cylinder, and described startup piston is connected by disk with relay piston.
9. evacuated die-casting process assistant formation system according to claim 8, is characterized in that: be also connected with servo cylinder between described first valve block and the second valve block, described servo cylinder has the servo piston be fixed on described disk.
10. evacuated die-casting process assistant formation system according to claim 8 or claim 9, it is characterized in that: the side of described compensator described first valve block dorsad offers cavity, be provided with compensator buffer disc in described cavity and compensate positioning disk, and described compensation positioning disk is positioned at the outside of described compensator buffer disc, be bolted between described compensator buffer disc and compensation positioning disk, the first disc spring is clamped with between described compensator buffer disc and compensation positioning disk, tied by pretension between described first valve block and the second valve block and connect, disc spring groove is provided with in described second valve block, disc spring is provided with in described disc spring groove, one end of described pretension bolt compresses disc spring.
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| CN201520615372.5U CN205056985U (en) | 2015-08-14 | 2015-08-14 | Evacuated die -casting process aided forming system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170938A (en) * | 2015-08-14 | 2015-12-23 | 厦门理工学院 | Auxiliary vacuum die-casting forming system |
| CN109079119A (en) * | 2018-08-21 | 2018-12-25 | 张文英 | A kind of aluminium rotor housing die casting local vacuum-pumping structure |
| CN109689249A (en) * | 2016-12-13 | 2019-04-26 | 宇部兴产机械株式会社 | The injection device and casting method of casting device |
-
2015
- 2015-08-14 CN CN201520615372.5U patent/CN205056985U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170938A (en) * | 2015-08-14 | 2015-12-23 | 厦门理工学院 | Auxiliary vacuum die-casting forming system |
| CN109689249A (en) * | 2016-12-13 | 2019-04-26 | 宇部兴产机械株式会社 | The injection device and casting method of casting device |
| CN109079119A (en) * | 2018-08-21 | 2018-12-25 | 张文英 | A kind of aluminium rotor housing die casting local vacuum-pumping structure |
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