CN207325914U - Suction pouring inhales the pneumatic and electric control loop of casting room - Google Patents
Suction pouring inhales the pneumatic and electric control loop of casting room Download PDFInfo
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- CN207325914U CN207325914U CN201721008806.0U CN201721008806U CN207325914U CN 207325914 U CN207325914 U CN 207325914U CN 201721008806 U CN201721008806 U CN 201721008806U CN 207325914 U CN207325914 U CN 207325914U
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Abstract
The utility model inhales the pneumatic and electric control loop of casting room for suction pouring, inhale the upper chamber rise and fall of casting room, upper chamber and the clamping lock of lower room sealing act, the rise and fall of contour plate, and vacuum pumpdown time, vacuum release inflationtime etc., cylinder and vaccum stop valve door are used respectively, by electromagnet as guide, form solenoid directional control valve, control above-mentioned action, pressure is respectively adopted in each link, time, the sensors such as position are controlled by, form electric control loop, make procedure connection reliable, without vacancy phenomenon, inhale the reliable and stable interconnection of foundry work sequence energy, ensure to inhale foundry work sequence by setting data run.
Description
Technical field
The suction pouring that foundary industry is used for antigravity casting inhales the pneumatic and electric loop that casting room controls.
Background technology
It is as obvious excellent in possessed if suction pouring its cavity filling due to possessing its property in antigravity casting
Performance., must meanwhile also due to antigravity casting is different from gravitational casting, it is equipped and technique also differs, and is particularly casting mold
It must place under vacuum conditions, mould cavity and molten iron face is produced pressure differential, inhaling casting room just must be close with the external world when inhaling and casting
Envelope.Meanwhile when type is filled in the effect of molten iron compression force difference, pressure differential, which is removed, overcomes molten iron gravity also to have feeding compaction, casting mold
It is subject to the extruding of molten iron to jack, therefore inhales casting room also to push down casting mold, does not make casting mold lifting, the vacuum when molten iron fills type
Control is exactly to inhale the key cast and lost.
Casting is inhaled during suction pouring, and the mould assembling of room, the sealing of upper and lower room, casting mold compression, aspiration vacuum etc. are a series of dynamic up and down
Make, when suction casting room volume is smaller, mechanism is also compact, is easy to control, if casting mold volume is larger, mechanism is just relatively more multiple
Miscellaneous, general control method, is easily subject to External force interference.Often running into front and rear procedure connection has gap, or respective actions are not
In place, there is molten iron and fill type deficiency, or casting mold cocks off and leaks iron liquid, causes to inhale casting failure.
Utility model content
The purpose of this utility model is to provide the pneumatic and electric control loop that a kind of suction pouring inhales casting room, in circuit
It is middle respectively with stroke magnetic switch, pressure switch, each signalling component of the time relay, it is ensured that process actions in place, then by program
Next step action is carried out, makes the mould assembling, the sealing of upper and lower room clamping lock, die mould of suction casting room, then aspirates casting room air and establishes vacuum and open
Begin to carry out suction casting by setting data, and through filling type, pressurize, then vacuum is destroyed, flat-rammer and clamping lock are unclamped one by one, are finally lifted
Casting upper chamber is inhaled to unpack.
The technical solution of the utility model divides pneumatic part and electric part:
Pneumatic circuit part:
Inhale casting room upper chamber lifting cylinder into gas off-take, connect the cylinder interface of solenoid directional control valve, solenoid directional control valve into
Gas port connection lifting pressure reducing valve, lifting pressure reducing valve inlet end connection air source processing member and source of the gas.Four groups of clamping lock cylinders into outlet
Road connects four groups of cylinder interfaces of electromagnetic switch valve group, the cylinder manifold air inlet connection kayser pressure reducing valve of electromagnetic switch valve group, card
Lock pressure reducing valve inlet end connection air source processing member and source of the gas.Three groups of die mould cylinders into gas off-take connection electromagnetic switch valve group
Three groups of cylinder interfaces, the cylinder manifold air inlet connection die mould pressure reducing valve of electromagnetic switch valve group, die mould pressure reducing valve import connection source of the gas
Handling member and source of the gas.The vacuum-pumping tube connection vaccum stop valve of casting room is inhaled, vaccum stop valve connects vacuum regulating valve input end,
The vacuum regulating valve port of export connects vacuum filter, vacuum filter connection vacuum tank and vacuum pump.
Electric loop part:
In the control loop of AC220V, power supply AC220V connects fuse, and fuse connects selecting switch end of incoming cables,
End and automatic end manually are connected respectively in selecting switch leading-out terminal, manually four branch circuits of end connection, respectively by normally closed button
B1, B2, B3, B4 reconnect the normal of four normally opened button A1, A2, A3, A4 and four intermediate relays J11, J12, J13, J14
Open contact, normally opened button and normally open contact connect the coil of four intermediate relays J11, J12, J13, J14 at the same time, in four
Between relay coil outlet connection power supply N-terminal.
Automatic end connects nine branch circuits:
The normally open contact of first branch circuit connection mould assembling signal, the normally opened button of automatic start and intermediate relay J1's is normal
Open contact, the normally opened button of normally open contact and automatic start and mould assembling signal normally open contact of intermediate relay J1, while in connection
Between relay J8 normally closed interlock, the coil of intermediate relay J8 normally closed interlocks connection intermediate relay J1, intermediate relay J1
Coil connection power supply N-terminal.
The normally open contact of second branch circuit connection pressure switch YJ1 and the normally open contact of intermediate relay J2, pressure switch
The normally open contact of YJ1 and the normally open contact of intermediate relay J2 connect the normally closed interlock of intermediate relay J7, middle relay at the same time
The coil of the normally closed interlock connection intermediate relay J2 of device J7, intermediate relay J2 coils connection power supply N-terminal.
The normally open contact of 3rd branch circuit connection pressure switch YJ2 and the normally open contact of intermediate relay J3, pressure relay
The normally open contact of device YJ2 and intermediate relay J3 connect the normally closed interlock of intermediate relay J6 at the same time, and intermediate relay J6 is normally closed
The coil of contact connection intermediate relay J3, intermediate relay J3 coils connection power supply N-terminal.
The normally open contact of 4th branch circuit connection pressure switch YJ3 and the normally open contact of intermediate relay J4, pressure relay
The normally open contact of device YJ3 and the normally open contact of intermediate relay J4 connect the normally closed interlock of intermediate relay J5 at the same time, it is middle after
The coil of the normally closed interlock connection intermediate relay J4 of electric appliance J5, intermediate relay J4 coils connection power supply N-terminal.
The normally open contact of 5th branch circuit Connection Time relay SJ1 and the normally open contact of intermediate relay J5, the time after
Electric appliance SJ1 normally open contacts and intermediate relay J5 normally open contacts connect the normally closed interlock of intermediate relay J6, middle relay at the same time
The coil of device J6 normally closed interlocks connection intermediate relay J5, intermediate relay J5 coils connection power supply N-terminal.
The normally open contact of 6th branch circuit Connection Time relay SJ2 and the normally open contact of intermediate relay J6, the time after
Electric appliance SJ2 normally open contacts and intermediate relay J6 normally open contacts connect intermediate relay J7 normally closed interlocks, intermediate relay at the same time
J7 normally closed interlocks connect intermediate relay J6 coils, intermediate relay J6 coils connection power supply N-terminal.
The normally open contact of 7th branch circuit connection cylinder magnetic switch C5 and the normally open contact of intermediate relay J7, it is magnetic
The normally open contact of switch C5 normally open contacts and intermediate relay J7 connect the normally closed interlock of intermediate relay J8, middle relay at the same time
Device J8 normally closed interlocks connect intermediate relay J7 coils, intermediate relay J7 coils connection power supply N-terminal.
8th branch circuit connects magnetic switch C3 normally open contacts and intermediate relay J8 normally open contacts, magnetic switch C3 are normal
Open contact and intermediate relay J8 normally open contacts connect intermediate relay J9 normally closed interlocks at the same time, and intermediate relay J9 is normally closed to be touched
Head connection intermediate relay J8 coils, intermediate relay J8 coils connection power supply N-terminal.
The normally open contact of 9th branch circuit connection magnetic switch C1, the middle relay of normally open contact connection of magnetic switch C1
The coil of device J9, intermediate relay J9 coils connection power supply N-terminal.
In the execution circuit of AC220V, 4 branches are connected by fuse:
The normally open contact of intermediate relay J1 and J11, the connection of intermediate relay J1 and J11 normally open contact are connected in 1 branch
Electromagnet DT1, electromagnet DT1 outlet connect power supply N-terminal.
In the normally open contact of 2 branches connection intermediate relay J2 and J12, the normally open contact of intermediate relay J2 and J12 connect
Connect electromagnet DT2, electromagnet DT2 outlets connection power supply N-terminal.
In the normally open contact of 3 branches connection intermediate relay J3 and J13, the connection of intermediate relay J3 and J13 normally open contact
Electromagnet DT3, electromagnet DT3 outlet connect power supply N-terminal.
In the normally open contact of 4 branches connection intermediate relay J4 and J14, the normally open contact of intermediate relay J4 and J14 connect
Connect electromagnet DT4, electromagnet DT4 outlets connection power supply N-terminal.
The pneumatic and electrical control auto-action of the utility model is described as follows:
When installation is complete in room under inhaling casting for casting mold, mould assembling contact H1 closures (or same by A0 manually) intermediate relay
J1 obtains electric, and J1 normally open contacts connect self-keeping circuit in the first branch circuit, in circuit is performed obtain DT1 electric, solenoid directional control valve changes
To lifting cylinder 9 declines, and drives suction casting upper chamber to decline at the same time, until inhaling casting upper chamber and the lower room both sides' flange contact of suction casting, gas
Cylinder 9, which declines, to be obstructed, and cylinder pressure rises to setup pressure value, touches the contact closure of pressure switch YJ1, makes intermediate relay
J2 obtains electric, and J2 normally open contacts connect self-keeping circuit in the second branch circuit, electric, the solenoid directional control valve that in circuit is performed obtains DT2
Commutation.Clamping lock cylinder 10 promote clamping lock, when clamping lock in place, cylinder 10 be obstructed pressure rising, pressure switch YJ2 contact closures, make
Intermediate relay J3 obtains electric, and J3 normally open contacts connect self-keeping circuit in the 3rd branch circuit, in circuit is performed obtain DT3 electric, electric
Magnet reversal valve commutates, and 11 downlink of die mould cylinder drives die mould plate die moulded, when the die mould decline of cylinder 11 in place is obstructed in pressure
Rise, the contact closure of pressure switch YJ3, obtains intermediate relay J4 electric, and J4 normally open contacts are connected self-insurance in the 4th branch circuit and returned
Road, in circuit is performed obtains intermediate relay DT4 electric.Vaccum stop valve conducting vacuum loop starts true to casting room pumping is inhaled
Sky, is also turned on time relay sj 1, SJ1 is started timing, and when setting time, including molten iron to fill type and dwell time all complete
The 5th branch circuit normally open contact closure of Cheng Hou, SJ1, obtain intermediate relay J5 electric, and normally open contact connects the 5th branch circuit certainly
Circuit is protected, while it is electric to obtain time relay sj 2, SJ2 is started timing, J5 is opened in the normally closed interlock of the 4th branch circuit, made
4th branch circuit powers off, and SJ1 resets, and J4 dead electricity makes DT4 dead electricity, and ELECTROMAGNETIC VACUUM shut-off valve resets, and disconnects vacuum and connects big
Gas.When SJ2 setting times discharge completion completely including vacuum, the normally open contact conducting of its 6th branch circuit, makes middle relay
Device J6 obtains electric, and the normally open contact of the 6th branch circuit connects self-keeping circuit, and the normally closed interlock of the 5th branch circuit, which disconnects, answers J5 dead electricity
Position, SJ2 reset.The normally closed interlock of 3rd branch circuit disconnects, and J3 dead electricity makes solenoid valve DT3 dead electricity, and solenoid directional control valve resets, pressure
Type cylinder, which rises, unclamps contour plate.
When die mould cylinder rises in place, magnetic switch C5 contacts are connected, and obtain intermediate relay J7 electric, the 7th branch circuit
Normally open contact connect self-keeping circuit, the 6th branch circuit normally closed interlock and the second branch circuit normally closed interlock disconnect, make J2 and
J6 dead electricity, J2 dead electricity make DT2 dead electricity, and electromagnetic switch valve group resets, and clamping lock air cylinder group, which rises, unclamps clamping lock, while makes J2 and J6
Reset.
When clamping lock air cylinder group rises in place, magnetic switch C3 contacts are connected, and intermediate relay J8 obtains electric, the 8th branch circuit
Normally open contact connect self-keeping circuit, the normally closed interlocks of the seven, the first branch circuits disconnects, and makes J1 and J7 dead electricity, is performing circuit
J1 contacts, which disconnect, makes DT1 dead electricity, and solenoid directional control valve resets, and lifting cylinder, which rises, will inhale casting room upper chamber lifting, while the 7th is returned
Road resets, and lifting cylinder rises in place, and magnetic switch C1 contacts conducting intermediate relay J9 obtains electric, and the J9 of the 8th branch circuit is normal
Contact disconnection is closed, the 8th branch circuit resets.
The remarkable result of the utility model be due to according to inhale cast in variant process content, employ it is different after
Electric switch and sensor, avoid the hollow of procedure connection, make process stable connection reliable, such as mould assembling, clamping lock, pressure-type process,
Employ pressure switch, ensure that mould assembling, clamping lock, die mould reality in place, such as vacuumize and discharge vacuum, employ
The time relay, makes process content be included within setting time, such as easing, loose clamping lock and unpacks, and employs position magnetism and opens
Close, ensure that easing, loose clamping lock and unpacking cylinder rise completely in place.In debugging, maintenance or setting, selection can be passed through
Switch starts manual loop, is activated individually or stops each circuit.
Brief description of the drawings
Fig. 1 pneumatic schematic diagrams
Fig. 2 electrical schematic diagrams
1st, source of the gas 2, filter 3, oil sprayer 4, pressure reducer 5, pressure gauge 6, lifting solenoid directional control valve 7, clamping lock electricity
Magnetic commutation valve group 8, die mould electromagnetic switch valve group 9, inhale casting room upper chamber lifting cylinder 10, clamping lock air cylinder group 11, die mould gas
Cylinder group 12, vacuum pump 13, vacuum filter 14, vacuum regulating valve 15, vacuum meter 16, vaccum stop valve 17, suction casting room
18th, contour plate 19, clamping lock 20, suction casting room upper chamber 21, magnetic switch 22, pressure switch R1-2 fuses K1 selections are opened
Close the normally closed button J1-14 intermediate relays SJ1-2 time relays C1-6 cylinder magnetic switch of the normally opened button B1-4 of A0-4
YJ1-3 pressure switch DT1-4 electromagnet H1 automatic start contacts
Embodiment
In terms of pneumatic principle:
Inhale the gas outlet into gas off-take connection solenoid directional control valve 6 of casting room upper chamber lifting cylinder 9,6 air inlet of solenoid directional control valve
End connection lifting pressure reducing valve 4,4 inlet end of lifting pressure reducing valve connection air source processing member 2,3 and source of the gas 1.
The gas outlet into gas off-take connection electromagnetic switch valve group 7 of clamping lock cylinder 10, the air inlet of electromagnetic switch valve group 7
Connection kayser pressure reducing valve outlet side, clamping lock pressure reducing valve inlet end connection air source processing member 2,3 and source of the gas 1.
The gas outlet into gas off-take electromagnetic switch valve group 8 in succession of die mould cylinder 11, the air inlet of electromagnetic switch valve group 8
Connect die mould pressure reducing valve inlet end, die mould pressure reducing valve inlet end connection air source processing member 2,3 and source of the gas 1.
That inhales casting room 17 vacuumizes end connection vaccum stop valve 16, and vaccum stop valve 16 connects vacuum regulating valve 14 and exports
End, 14 input end of vacuum regulating valve connection vacuum filter 13, vacuum filter 13 connect vacuum pump 12.
In terms of electrical principle:
In the control loop of AC220V, power supply AC220V connects fuse R1, and the line 1 of fuse R1 connects selecting switch
The terminals of K1, K1 leading-out terminals connect automatic end 2 and manually end 3 respectively.
Four branch circuits are connected at end 3 manually, are connected respectively by normally closed button B1, B2, B3, B4 warp 21,22,23,24 normal
Button A1, A2, A3, A4 and intermediate relay normally open contact J11, J12, J13, J14 are opened, line 24,25,26,27 is reconnected and connects
The coil end of incoming cables of intermediate relay J11, J12, J13, J14, J11, J12, J13, J14 finish lead connection power supply N-terminal.
Automatic end 2 connects nine branch circuits, and H automatic starts are normally opened for first branch circuit connection mould assembling signal normally opened pass presses
The normally open contact J1 of button A0 and intermediate relay J1, the signal switch normally opened button A0 and intermediate relay normally open contact J1 of H1, together
When connect intermediate relay J8 normally closed interlocks, intermediate relay J8 normally closed interlocks connection intermediate relay J1 coil-ends, it is middle after
Electric appliance J1 finish leads connect power supply N-terminal.
Second branch circuit connects the normally open contact of pressure switch YJ1 and the normally open contact of intermediate relay J2, pressure are opened
Close YJ1 normally open contacts and intermediate relay J2 normally open contacts connect intermediate relay J7 normally closed interlocks, intermediate relay J7 at the same time
Normally closed interlock connects intermediate relay J2 coil-ends, intermediate relay J2 coils other end connection power supply N-terminal.
3rd branch circuit connects the normally open contact of pressure switch YJ2 and the normally open contact of intermediate relay J3, pressure are opened
The normally open contact of the normally open contact and intermediate relay J3 that close YJ2 connects intermediate relay J6 normally closed interlocks, middle relay at the same time
Device J6 normally closed interlocks connect intermediate relay J3 coil-ends, intermediate relay J3 coils connection power supply N-terminal.
4th branch circuit connects the normally open contact of pressure switch YJ3 and the normally open contact of intermediate relay J4, pressure are opened
The normally open contact of pass YJ3 normally open contacts and intermediate relay J4 connect the normally closed interlock of intermediate relay J5, middle relay at the same time
The normally closed interlock connection intermediate relay J4 coil-ends of device J5, intermediate relay J4 coil-ends connection power supply N-terminal.
The normally open contact of 5th branch circuit Connection Time relay SJ1 and the normally open contact of intermediate relay J5, time
The normally open contact of relay SJ1 and intermediate relay J5 connect the normally closed interlock of intermediate relay J6, intermediate relay J6 at the same time
Normally closed interlock connects intermediate relay J5 coils, intermediate relay J5 coils connection power supply N-terminal.
6th branch circuit Connection Time relay SJ2 normally open contact and intermediate relay J6 normally open contacts, time relay
The normally open contact of device SJ2 and intermediate relay J6 connect the normally closed interlock of intermediate relay J7 at the same time, and intermediate relay J7's is normal
Close contact connection intermediate relay J6 coils, intermediate relay J6 coils connection power supply N-terminal.
7th branch circuit connects the normally open contact of cylinder magnetic switch C5 and the normally open contact of intermediate relay J7, magnetic
Property the normally open contact of switch C5 and the normally open contact of intermediate relay J7 connect the normally closed interlock of intermediate relay J8 at the same time, in
Between relay J8 normally closed interlock connection intermediate relay J7 coil, intermediate relay J7 coils connection power supply N-terminal.
8th branch circuit connects the normally open contact of cylinder magnetic switch C3 and the normally open contact of intermediate relay J8, magnetic
Property the normally open contact of switch C3 and the normally open contact of intermediate relay J8 connect the normally closed interlock of intermediate relay J9 at the same time, in
Between relay J9 normally closed interlock connection intermediate relay J8 coil, intermediate relay J8 coils connection power supply N-terminal.
The normally open contact of 9th branch circuit connection cylinder magnetic switch C1, in the normally open contact connection of magnetic switch C1
Between relay J9 coils, intermediate relay J9 coils connection power supply N-terminal.
In the execution circuit of AC220V, power supply connects four circuits by fuse R2:
In first branch circuit, power supply is also turned on intermediate relay J1, normally open contact and intermediate relay J11
The normally open contact of normally open contact, J1 and J11 connect the DT1 of solenoid directional control valve, DT1 connection power supply N-terminals at the same time.
In second branch circuit, power supply is also turned on the normal of intermediate relay J2 normally open contacts and intermediate relay J12
The normally open contact of open contact, intermediate relay J2 normally open contacts and intermediate relay J12 connect electromagnetic switch valve group DT2 at the same time,
DT2 connection power supply N-terminals.
In the 3rd branch circuit, power supply connects intermediate relay J3 normally open contacts at the same time and intermediate relay J13 is normally opened
Contact, intermediate relay J3 normally open contacts and intermediate relay J13 normally open contacts connect electromagnetic switch valve group DT3, DT3 at the same time
Connect power supply N-terminal.
In the 4th branch circuit, power supply connects intermediate relay J4 normally open contacts at the same time and intermediate relay J14 is normally opened
Contact, intermediate relay J4 normally open contacts and intermediate relay J14 normally open contacts connect solenoid directional control valve DT4, DT4 companies at the same time
Connect power supply N-terminal.
Claims (1)
1. suction pouring inhales the pneumatic and electric control loop of casting room, it is characterized in that:
Pneumatic circuit part:
Inhale casting room upper chamber lifting cylinder into gas off-take, connect the cylinder interface of solenoid directional control valve, the air inlet of solenoid directional control valve
Connection lifting pressure reducing valve, lifting pressure reducing valve inlet end connection air source processing member and source of the gas, four groups of clamping lock cylinders connect into gas off-take
Four groups of cylinder interfaces of electromagnetic switch valve group, the cylinder manifold air inlet connection kayser pressure reducing valve of electromagnetic switch valve group are connect, clamping lock subtracts
Pressure valve inlet end connects air source processing member and source of the gas, three groups of gas into gas off-take connection electromagnetic switch valve group of three groups of die mould cylinders
Cylinder interface, the cylinder manifold air inlet connection die mould pressure reducing valve of electromagnetic switch valve group, die mould pressure reducing valve import connection air source processing member
And source of the gas, the vacuum-pumping tube for inhaling casting room connect vaccum stop valve, vaccum stop valve connection vacuum regulating valve input end, vacuum pressure regulation
Valve outlet end connects vacuum filter, vacuum filter connection vacuum tank and vacuum pump;
Electric loop part:
In the control loop of AC220V, power supply AC220V connects fuse, and fuse connection selecting switch end of incoming cables, is selecting
Switch wire outlet terminal connect respectively manually end and automatic end, manually end connection four branch circuits, respectively by normally closed button B1, B2, B3,
B4 reconnects the normally open contact of four normally opened button A1, A2, A3, A4 and four intermediate relays J11, J12, J13, J14, normally opened
Button and normally open contact connect the coil of four intermediate relays J11, J12, J13, J14, the line of four intermediate relays at the same time
Iris out line connection power supply N-terminal;
Automatic end connects nine branch circuits:
First branch circuit connects the normally open contact of mould assembling signal, and the normally opened button of automatic start and the normally opened of intermediate relay J1 touch
Head, the normally opened button of normally open contact and automatic start and mould assembling signal normally open contact of intermediate relay J1, while connect it is middle after
The normally closed interlock of electric appliance J8, the coil of intermediate relay J8 normally closed interlocks connection intermediate relay J1, the line of intermediate relay J1
Circle connection power supply N-terminal;
The normally open contact of second branch circuit connection pressure switch YJ1 and the normally open contact of intermediate relay J2, pressure switch YJ1's
The normally open contact of normally open contact and intermediate relay J2 connect the normally closed interlock of intermediate relay J7 at the same time, intermediate relay J7's
The coil of normally closed interlock connection intermediate relay J2, intermediate relay J2 coils connection power supply N-terminal;
The normally open contact of 3rd branch circuit connection pressure switch YJ2 and the normally open contact of intermediate relay J3, pressure switch YJ2
And the normally open contact of intermediate relay J3 connects the normally closed interlock of intermediate relay J6 at the same time, intermediate relay J6 normally closed interlocks connect
Connect the coil of intermediate relay J3, intermediate relay J3 coils connection power supply N-terminal;
The normally open contact of 4th branch circuit connection pressure switch YJ3 and the normally open contact of intermediate relay J4, pressure switch YJ3
Normally open contact and the normally open contact of intermediate relay J4 connect the normally closed interlock of intermediate relay J5, intermediate relay J5 at the same time
Normally closed interlock connection intermediate relay J4 coil, intermediate relay J4 coils connection power supply N-terminal;
The normally open contact of 5th branch circuit Connection Time relay SJ1 and the normally open contact of intermediate relay J5, the time relay
SJ1 normally open contacts and intermediate relay J5 normally open contacts connect the normally closed interlock of intermediate relay J6, intermediate relay J6 at the same time
The coil of normally closed interlock connection intermediate relay J5, intermediate relay J5 coils connection power supply N-terminal;
The normally open contact of 6th branch circuit Connection Time relay SJ2 and the normally open contact of intermediate relay J6, the time relay
SJ2 normally open contacts and intermediate relay J6 normally open contacts connect intermediate relay J7 normally closed interlocks at the same time, and intermediate relay J7 is normal
Close contact connection intermediate relay J6 coils, intermediate relay J6 coils connection power supply N-terminal;
The normally open contact of 7th branch circuit connection cylinder magnetic switch C5 and the normally open contact of intermediate relay J7, magnetic switch C5
The normally open contact of normally open contact and intermediate relay J7 connect the normally closed interlock of intermediate relay J8 at the same time, and intermediate relay J8 is normal
Close contact connection intermediate relay J7 coils, intermediate relay J7 coils connection power supply N-terminal;
8th branch circuit connects magnetic switch C3 normally open contacts and intermediate relay J8 normally open contacts, magnetic switch C3 normally open contacts
And intermediate relay J8 normally open contacts connect intermediate relay J9 normally closed interlocks at the same time, in the connection of intermediate relay J9 normally closed interlocks
Between relay J8 coils, intermediate relay J8 coils connection power supply N-terminal;
The normally open contact of 9th branch circuit connection magnetic switch C1, the normally open contact connection intermediate relay J9's of magnetic switch C1
Coil, intermediate relay J9 coils connection power supply N-terminal;
In the execution circuit of AC220V, 4 branches are connected by fuse:
The normally open contact of intermediate relay J1 and J11, intermediate relay J1 and J11 normally open contact connection electromagnetism are connected in 1 branch
Iron DT1, electromagnet DT1 outlet connect power supply N-terminal;
In the normally open contact of 2 branches connection intermediate relay J2 and J12, the normally open contact connection electricity of intermediate relay J2 and J12
Magnet DT2, electromagnet DT2 outlet connect power supply N-terminal;
In the normally open contact of 3 branches connection intermediate relay J3 and J13, intermediate relay J3 and J13 normally open contact connection electromagnetism
Iron DT3, electromagnet DT3 outlet connect power supply N-terminal;
In the normally open contact of 4 branches connection intermediate relay J4 and J14, the normally open contact connection electricity of intermediate relay J4 and J14
Magnet DT4, electromagnet DT4 outlet connect power supply N-terminal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721008806.0U CN207325914U (en) | 2017-08-07 | 2017-08-07 | Suction pouring inhales the pneumatic and electric control loop of casting room |
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CN201721008806.0U CN207325914U (en) | 2017-08-07 | 2017-08-07 | Suction pouring inhales the pneumatic and electric control loop of casting room |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108580847A (en) * | 2018-07-26 | 2018-09-28 | 哈尔滨工业大学 | A kind of non-linear pressurizing control system of complexity metal component counter-pressure casting molding |
CN109382498A (en) * | 2017-08-07 | 2019-02-26 | 科华控股股份有限公司 | Suction pouring inhales the pneumatic and electric control loop of casting room |
-
2017
- 2017-08-07 CN CN201721008806.0U patent/CN207325914U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109382498A (en) * | 2017-08-07 | 2019-02-26 | 科华控股股份有限公司 | Suction pouring inhales the pneumatic and electric control loop of casting room |
CN108580847A (en) * | 2018-07-26 | 2018-09-28 | 哈尔滨工业大学 | A kind of non-linear pressurizing control system of complexity metal component counter-pressure casting molding |
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