CN207256484U - A kind of tile forming mold core takes out blow-off system - Google Patents

Abstract

The utility model discloses a kind of tile forming mold core to take out blow-off system, including gas monitoring system and ceramic tile core rod, the gas monitoring system are connected with ceramic tile core rod；The gas monitoring system includes booster pump, solenoid valve first, solenoid valve second and solenoid valve third, and solenoid valve first, the solenoid valve second and solenoid valve third are normally closed electromagnetic gas valve；The input terminal of the booster pump is connected by solenoid valve first external gas source, one end of the solenoid valve second with the output terminal of booster pump, the external source of the gas in one end of the solenoid valve third.Air in not only taking the ceramic powder away in compacting, is also exhausted ceramic tile core rod before next round compacting and is cleared up with the working face to ceramic tile core rod, effectively prevent the air guide hole plug, it is ensured that the pumping quality of next round；Moreover, setting atmospheric exhaust and high pressure gas both of which, different patterns can be selected according to the adhesion amount of ceramic powder, to ensure that the ceramic powder of each gas port can be blown down completely.

Description

A kind of tile forming mold core takes out blow-off system

Technical field

Ceramic mold field is the utility model is related to, more particularly to a kind of tile forming mold core takes out blow-off system.

Background technology

Ceramic floor brick is typically the die cavity internal pressure potting ceramic powder shaping in mould, and ceramic powder used is spray drying The spherical particle that tower is made, its air content are about 30%-40%.During downtrodden, the air included exists ceramic powder It can gather to form air bolus rapidly under immense pressure, with the increase of pressure, air bolus is further compressed, and treats that its pressure is more than During the coagulability of storeroom, air bolus will destroy the condensation of storeroom, and further the air bolus adjacent with periphery is connected, by Walk the air bolus to become larger and form the air layer for separating periphery material, cause to carry interlayer in adobe, influence the shaping of adobe Intensity and quality.

To solve the above problems, people have opened up many through holes on core rod, during adobe is compressing, in powder Air discharged from through hole, so as to solve the problems, such as to be not easy to be vented on the premise of production efficiency is not influenced.But in reality A large amount of ceramic powders are had during use, after the completion of compacting to be attached on the working face of core rod, block the through hole on core rod, from And the exhaust quality of ceramic powder is greatly reduced when next round is suppressed, the Forming Quality of next adobe is seriously affected.

Utility model content

The purpose of this utility model is that propose it is a kind of not only compacting when take ceramic powder away in air, also next Ceramic tile core rod is exhausted before wheel compacting and is cleared up with the working face to ceramic tile core rod, effectively prevents air guide hole plug, really The tile forming mold core for protecting the pumping quality of next round takes out blow-off system.

For this purpose, the utility model uses following technical scheme：

A kind of tile forming mold core takes out blow-off system, including gas monitoring system and ceramic tile core rod, the gas monitor system System is connected with ceramic tile core rod；

The gas monitoring system includes booster pump, solenoid valve first, solenoid valve second and solenoid valve third, the solenoid valve first, Solenoid valve second and solenoid valve third are normally closed electromagnetic gas valve；The input terminal of the booster pump passes through solenoid valve first external gas source, institute State one end of solenoid valve second to connect with the output terminal of booster pump, the external source of the gas in one end of the solenoid valve third；

The ceramic tile core rod includes core rod body and extraction tracheae, and the core rod body is internally provided with air guide channel and more A gas port, the working face of one end connection core rod body of the gas port, the other end and air guide channel of the gas port connect Logical, the one end of the air guide channel also with the extraction tracheae connects；

The other end of the other end of the solenoid valve second and the other end of solenoid valve third with the extraction tracheae connects.

Preferably, the gas monitoring system further includes aspiration pump and normally opened electromagnetic gas valve, the normally opened electromagnetic gas valve One end is connected with the other end of extraction tracheae, and the other end of the normally opened electromagnetic gas valve is connected with aspiration pump.

Preferably, gas control circuit, solenoid valve first, the solenoid valve second, solenoid valve third, normally opened electromagnetic gas valve are further included Controlled with booster pump by the gas control circuit；

The gas control circuit includes rectifier CS, Double-linkage switch SA1, SA2, contactor KA1, KA2, KA3, KA4, The ac input end of the rectifier CS switchs SA1 by the Double-linkage and AC power is electrically connected, the rectifier CS's One group of contact that positive DC output terminal switchs SA2 by Double-linkage is electrically connected, and one end of the solenoid valve first is connect by described One group of contact of the normally opened contact of tentaculum KA1 and Double-linkage switch SA2 are electrically connected, and one end of the solenoid valve second passes through institute One group of contact of the normally opened contact and Double-linkage switch SA2 of stating contactor KA2 is electrically connected, and one end of the solenoid valve third leads to One group of contact of the normally opened contact and Double-linkage switch SA2 of crossing the contactor KA3 is electrically connected, the normally opened electromagnetic gas valve One end pass through the normally opened contact of the contactor KA4 and the Double-linkage and switch one group of contact of SA2 and be electrically connected；

The other end of the solenoid valve first, the other end of the solenoid valve second, the other end of the solenoid valve third and described Negative DC output terminal of the other end of normally opened electromagnetic gas valve with the rectifier CS is electrically connected；

The booster pump switchs another group of contact of SA2 by the Double-linkage and AC power is electrically connected.

Preferably, the gas control circuit further includes pumping switch S1, and the aspiration pump switchs S1 by the pumping It is electrically connected with AC power.

Preferably, mode selection circuit is further included, the mode selection circuit be overlapped in Double-linkage switch SA2 one group touches Between point and the negative DC output terminal of the rectifier CS；

The mode selection circuit include parallel with one another high pressure selection branch, normal pressure selection branch, high pressure gas branch, Atmospheric exhaust branch and pumping branch, the high pressure selection branch include the coil of the high-voltage switch gear S2 and relay Y1 of series connection, The normal pressure selection branch includes the coil of the normal pressure switch S3 and relay Y2 of series connection；

The high pressure gas branch include series connection the first normally opened contact of relay Y1, the normally-closed contact of relay Y2 and The coil of contactor KA1 and the coil of contactor KA2, the first normally opened contact of the relay Y1 and the normally closed of relay Y2 are touched Point is connected, and is connected after the coil of the contactor KA1 and the coils from parallel connection of coils of contactor KA2 with the normally-closed contact of relay Y2；

The atmospheric exhaust branch include series connection the first normally opened contact of relay Y2, the normally-closed contact of relay Y1 and The coil of contactor KA3；

The pumping branch includes the second normally opened contact, the second normally opened contact and contactor of relay Y2 of relay Y1 The coil of KA4, after the second normally opened contact parallel connection of the second normally opened contact and relay Y2 of the relay Y1 with contactor KA4 Coil series connection.

Preferably, the mode selection circuit further includes core rod location sensitive circuit, the core rod location sensitive circuit, height Pressure selection branch, normal pressure selection branch, high pressure gas branch, atmospheric exhaust branch and pumping branch are parallel with one another；

The core rod location sensitive circuit includes the coil of the core rod position sensor SQ and relay Y3 of series connection；

In the high pressure gas branch, the first normally opened contact of the relay Y1 and the normally-closed contact of relay Y2 it Between also series relay Y3 the first normally opened contact；

In the atmospheric exhaust branch, the first normally opened contact of the relay Y2 and the normally-closed contact of relay Y1 it Between also series relay Y3 the second normally opened contact.

Preferably, the gas control circuit further includes power supply indicator L1, system indicator L2 and HT pilot L3, The positive DC output terminal with rectifier CS, negative DC output terminal are electrically connected respectively at the both ends of the power supply indicator L1, institute State system indicator L2 be connected on Double-linkage switch SA2 one group of contact and rectifier CS negative DC output terminal it Between, the HT pilot L3 and the solenoid valve second are in parallel.

Preferably, the gas monitoring system further includes high pressure air gauge, and the air gauge is arranged at the solenoid valve second One end and booster pump output terminal between.

The tile forming mold core takes out the air during blow-off system not only takes the ceramic powder away in compacting, also under Ceramic tile core rod is exhausted before one wheel compacting and is cleared up with the working face to ceramic tile core rod, effectively prevents the gas port from blocking up Plug, it is ensured that the pumping quality of next round；Moreover, atmospheric exhaust and high pressure gas both of which are set, can be according to ceramic powder Adhesion amount selects different patterns, to ensure that the ceramic powder of each gas port can be blown down completely.

Brief description of the drawings

Attached drawing is described further the utility model, but the content in attached drawing does not form any limit to the utility model System.

Fig. 1 is the extraction gas system structure diagram of the one of embodiment of the utility model；

Fig. 2 is the pumping blow-off system pumping state diagram of the one of embodiment of the utility model；

Fig. 3 is the extraction gas system exhaust state diagram of the one of embodiment of the utility model；

Fig. 4 is the gas electric operation control circuit figure of the one of embodiment of the utility model.

Wherein：Gas monitoring system 1；Ceramic tile core rod 2；Booster pump 11；Solenoid valve first YD1；Solenoid valve second YD2；Solenoid valve Third YD3；Source of the gas 16；Core rod body 21；Extraction tracheae 22；Air guide channel 211；Gas port 212；Aspiration pump 12；Normally opened electromagnetism gas Valve YV1；Gas control circuit 13；Rectifier CS；Double-linkage switchs SA1, SA2；Contactor KA1, KA2, KA3, KA4；Pumping is opened Close S1；Mode selection circuit 14；High pressure selects branch 141；Normal pressure selects branch 142；High pressure gas branch 143；Atmospheric exhaust Branch 144；It is evacuated branch 145；High-voltage switch gear S2；Relay Y1, Y2, Y3；Normal pressure switchs S3；Core rod location sensitive circuit 146； Core rod position sensor SQ；Power supply indicator L1；System indicator L2；HT pilot L3；High pressure air gauge 15；Core rod moves Direction A；Gas flow direction B.

Embodiment

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

The tile forming mold core of the present embodiment takes out blow-off system, as shown in Figure 1 to Figure 3, including gas monitoring system 1 and porcelain Stock mould core 2, the gas monitoring system 1 and ceramic tile core rod 2 connect；

As shown in Figure 1, the gas monitoring system 1 includes booster pump 11, solenoid valve first YD1, solenoid valve second YD2 and electromagnetism The third YD3 of valve, the solenoid valve first YD1, solenoid valve second YD2 and the third YD3 of solenoid valve are normally closed electromagnetic gas valve；The booster pump 11 Input terminal pass through solenoid valve first YD1 external gas sources 16, the output terminal of one end of the solenoid valve second YD2 and booster pump 11 connects It is logical, the external source of the gas 16 in one end of third YD3 of solenoid valve；

As shown in Figure 2 and Figure 3, the ceramic tile core rod 2 includes core rod body 21 and extraction tracheae 22, the core rod body 21 Be internally provided with air guide channel 211 and multiple gas ports 212, the work of one end connection core rod body 21 of the gas port 212 Face, the other end of the gas port 212 are connected with air guide channel 211, the air guide channel 211 also with the extraction tracheae 22 One end connects；

As shown in Figure 1, the other end of the third YD3 of the other end and solenoid valve of the solenoid valve second YD2 with the extraction gas The other end connection of pipe 22.

The ceramic tile core rod 2 sets core rod body 21, for ceramic powder press-formed in the die cavity of mould, system Into base substrate.The ceramic powder is the spherical particle that spray drying tower is made, its air content is about 30%-40%.Such as Fig. 2 institutes Show, when core rod body 21 suppresses the ceramic powder along A directions, the aspiration pump 12 starts and is evacuated along B directions, described normal Opening electromagnetic gas valve YV1 power-off and open, the solenoid valve first YD1, solenoid valve second YD2 and the third YD3 of solenoid valve are powered off and closed, So as to which the air in the ceramic powder enters air guide channel 211 by gas port 212, in the air-extraction function of the aspiration pump 12 Under the air be drawn into the extraction tracheae 22, then by the normally opened electromagnetic gas valve YV1 enter the aspiration pump 12 simultaneously Discharge, improves the density uniformity of base substrate, improves body formation quality and pressing blank efficiency.

As shown in figure 3, if the working face attachment ceramic powder of core rod body 21 is few after the completion of compacting, when core rod body 21 along A directions rise when, the normally opened electromagnetic gas valve YV1 is powered and closes, the third YD3 of solenoid valve energizations and open, it is described Solenoid valve first YD1 and solenoid valve second YD2 are powered off and closed, using atmospheric exhaust：The source of the gas 16 passes through the solenoid valve third YD3 exports atmosphere gas to extraction tracheae 22, and air guide channel 211 is discharged described in atmosphere gas along B directions from each bar, so that The ceramic powder for being attached to each gas port 212 is blown away, avoids influencing the pumping of next round because the gas port 212 blocks Makings amount, then influences the Forming Quality of next base substrate.

As shown in figure 3, if the working face attachment ceramic powder of core rod body 21 is more after the completion of compacting, when core rod body 21 along A directions rise when, the normally opened electromagnetic gas valve YV1 is powered and closes, and third YD3 of solenoid valve is powered off and closed, described Solenoid valve first YD1 and solenoid valve second YD2 are powered and open, and booster pump 11 starts and compressed gas, using high pressure gas：It is described Source of the gas 16 is pressurized into gases at high pressure to by solenoid valve first YD1 into the booster pump 11, then by solenoid valve second YD2 to pumping 22 output high-pressure gas of bleeder pipe, and air guide channel 211 is discharged described in gases at high pressure along B directions from each bar, so as to blow away attached The ceramic powder in each gas port 212, avoids influencing the pumping matter of next round because the gas port 212 blocks Amount, then influences the Forming Quality of next base substrate.

The tile forming mold core takes out the air during blow-off system not only takes the ceramic powder away in compacting, also under Ceramic tile core rod 2 is exhausted before one wheel compacting and is cleared up with the working face to ceramic tile core rod 2, effectively prevents the gas port 212 block, it is ensured that the pumping quality of next round；Moreover, atmospheric exhaust and high pressure gas both of which are set, can be according to ceramic powder The adhesion amount of material selects different patterns, to ensure that the ceramic powder of each gas port 212 can be blown down completely.The pressure of source of the gas 16 Power scope is 0.3Mpa-0.8Mpa, and the pressure limit of booster pump 11 is 0.9Mpa-2Mpa, i.e., the pressure model of described atmosphere gas Enclose for 0.3Mpa-0.8Mpa, the pressure limit of the gases at high pressure is 0.9Mpa-2Mpa.

Preferably, as shown in Figure 1, the gas monitoring system 1 further includes aspiration pump 12 and normally opened electromagnetic gas valve YV1, institute The one end for stating normally opened electromagnetic gas valve YV1 is connected with the other end of extraction tracheae 22, the other end of the normally opened electromagnetic gas valve YV1 and Aspiration pump 12 connects.

Preferably, as shown in figure 4, further including gas control circuit 13, the solenoid valve first YD1, solenoid valve second YD2, electricity The third YD3 of magnet valve, normally opened electromagnetic gas valve YV1 and booster pump 11 are controlled by the gas control circuit 13；

The gas control circuit 13 include rectifier CS, Double-linkage switch SA1, SA2, contactor KA1, KA2, KA3, The ac input end of KA4, the rectifier CS switch SA1 by the Double-linkage and AC power is electrically connected, the rectifier One group of contact that the positive DC output terminal of CS switchs SA2 by Double-linkage is electrically connected, and one end of the solenoid valve first YD1 passes through One group of contact of the normally opened contact of the contactor KA1 and Double-linkage switch SA2 are electrically connected, the solenoid valve second YD2's One group of contact that one end switchs SA2 by the normally opened contact of the contactor KA2 and the Double-linkage is electrically connected, the solenoid valve One group of contact that one end of third YD3 switchs SA2 by the normally opened contact of the contactor KA3 and the Double-linkage is electrically connected, institute Touched by one group of the normally opened contact of the contactor KA4 and the Double-linkage switch SA2 one end for stating normally opened electromagnetic gas valve YV1 Point is electrically connected；

The other end of the solenoid valve first YD1, the other end of the solenoid valve second YD2, the third YD3 of the solenoid valve it is another Negative DC output terminal of the other end of end and the normally opened electromagnetic gas valve YV1 with the rectifier CS is electrically connected；The increasing Press pump 11 switchs another group of contact of SA2 by the Double-linkage and AC power is electrically connected.

In the gas control circuit 13, the Double-linkage switch SA1 external AC power supplies (can be alternating current) are with control Alternating current is depressured and switchs to direct current by the break-make of power supply, the rectifier CS, and the Double-linkage switch SA2 is used to control gas The start and stop of monitoring system 1 and start the booster pump 11 while gas monitoring system 1 is started, contactor KA1 control electricity The break-make of magnet valve first YD1, the break-make of contactor KA2 control solenoid valve second YD2, the third YD3's of contactor KA3 control solenoid valves is logical Disconnected, contactor KA4 controls the break-make of normally closed electromagnetic gas valve YV1.

Preferably, as shown in figure 4, the gas control circuit 13 further includes pumping switch S1, the aspiration pump 12 passes through The pumping switch S1 and AC power are electrically connected.The start and stop of the pumping switch S1 control aspiration pumps 12.

Preferably, as shown in figure 4, further including mode selection circuit 14, the mode selection circuit 14 is overlapped in Double-linkage Switch between one group of contact of SA2 and the negative DC output terminal of the rectifier CS；

The mode selection circuit 14 includes high pressure selection branch 141 parallel with one another, normal pressure selection branch 142, high pressure Exhaust branch 143, atmospheric exhaust branch 144 and pumping branch 145, the height that the high pressure selection branch 141 includes series connection press off The coil of S2 and relay Y1 is closed, the normal pressure selection branch 142 includes the coil of the normal pressure switch S3 and relay Y2 of series connection；

The high pressure gas branch 143 includes the first normally opened contact of the relay Y1 of series connection, the normally closed of relay Y2 is touched Point and the coil of contactor KA1 and the coil of contactor KA2, the first normally opened contact of the relay Y1 and relay Y2's is normal Closed contact is connected, the normally-closed contact string after the coil of the contactor KA1 and the coils from parallel connection of coils of contactor KA2 with relay Y2 Connection；

The atmospheric exhaust branch 144 includes the first normally opened contact of the relay Y2 of series connection, the normally closed of relay Y1 is touched The coil of point and contactor KA3；

Second normally opened contact of the pumping branch 145 including relay Y1, the second normally opened contact of relay Y2 and connect The coil of tentaculum KA4, with contacting after the second normally opened contact parallel connection of the second normally opened contact and relay Y2 of the relay Y1 The coil series connection of device KA4.

During compacting, disconnect high-voltage switch gear S2 and normal pressure switch S3, make relay Y1 coil and relay Y2 coil it is equal Power-off, so that the second normally opened contact of relay Y1 is still off, the second normally opened contact of relay Y2 is still off, contactor The coil of KA4 is still off, makes the normally opened contact of contactor KA4 still off so that normally opened electromagnetic gas valve YV1 is still opened, air passes through Normally opened electromagnetic gas valve YV1 enters aspiration pump 12.

If the working face attachment ceramic powder of core rod body 21 is more after the completion of compacting, when core rod body 21 rises, Pressing high-voltage switch gear S2 makes the coil of relay Y1 be powered, and the coil of relay Y2 is still in off-position, so that relay The first normally opened contact closure of Y1, the normally-closed contact of relay Y2 still close, and then make the coil and contactor of contactor KA1 The coil of KA2 is powered, and the normally opened contact of contactor KA1 is closed so as to which solenoid valve first YD1 is opened, and makes that contactor KA2's is normal Contact closure is opened so as to which solenoid valve second YD2 is opened；And the first normally opened contact of relay Y2 is still off, the normally closed of relay Y1 is touched Point disconnects, and makes the coil blackout of contactor KA3, makes the normally opened contact of contactor KA3 still off so as to which the third YD3 of solenoid valve is still closed Close；And the second normally opened contact closure of relay Y1, the second normally opened contact of relay Y2 is still off, makes the line of contactor KA4 Circle is powered, and allows the normally opened contact of contactor KA4 to close so that normally opened electromagnetic gas valve YV1 closings, realize high pressure gas pattern.

If the working face attachment ceramic powder of core rod body 21 is few after the completion of compacting, when core rod body 21 rises, Pressing normal pressure switch S3 makes the coil of relay Y2 be powered, and the coil of relay Y1 is still in off-position, so that relay The first normally opened contact closure of Y2, the normally-closed contact of relay Y1 still close, and then the coil of contactor KA3 is powered, and make to connect The normally opened contact closure of tentaculum KA3 is opened so as to the third YD3 of solenoid valve；And the first normally opened contact of relay Y1 is still off, relay The normally-closed contact of device Y2 disconnects, and the coil of contactor KA1, KA2 is powered off, allow contactor KA1 normally opened contact it is still off from And solenoid valve first YD1 is still closed, and make the normally opened contact of contactor KA2 still off so as to which solenoid valve second YD2 is still closed；And relay The second normally opened contact of device Y1 is still off, and the second normally opened contact closure of relay Y2, makes the coil of contactor KA4 be powered, allow The normally opened contact closure of contactor KA4 is so that normally opened electromagnetic gas valve YV1 closings, realize atmospheric exhaust pattern.

Preferably, as shown in figure 4, the mode selection circuit 14 further includes core rod location sensitive circuit 146, the core rod Location sensitive circuit 146, high pressure selection branch 141, normal pressure selection branch 142, high pressure gas branch 143, atmospheric exhaust branch 144 is parallel with one another with pumping branch 145；The core rod location sensitive circuit 146 include series connection core rod position sensor SQ and The coil of relay Y3；In the high pressure gas branch 143, the first normally opened contact of the relay Y1 and relay Y2's The first normally opened contact of series relay Y3 is gone back between normally-closed contact；In the atmospheric exhaust branch 144, the relay Y2 The first normally opened contact and relay Y1 normally-closed contact between also series relay Y3 the second normally opened contact.

The core rod location sensitive circuit 146 is set close to the die cavity of mould, for detecting the position of core rod body 21：When The core rod location sensitive circuit 146 powers off during 21 press ceramic powder of core rod body, and the coil blackout of relay Y3, makes relay The first normally opened contact, the second normally opened contact of device Y3 is in off-state, so as to allow the high pressure gas branch 143, normal pressure Exhaust branch 144 and pumping branch 145 are breaking, and then allow gas monitoring system 1 to be in pumping state；When on core rod body 21 The core rod location sensitive circuit 146 is powered when rising, and makes the first normally opened contact of relay Y3, the second normally opened contact be in closing Conjunction state, controls gas monitoring system 1 so as to switch S3 by high-voltage switch gear S2 and normal pressure, is in gas monitoring system 1 Exhaust condition.By setting the core rod location sensitive circuit 146 to detect the position of core rod body 21, gas during compacting is avoided to supervise Gas monitoring system 1 is in pumping state when control system 1 is in exhaust condition or the rising of core rod body 21, and it is reliable to improve operation Property.

Preferably, as shown in figure 4, the gas control circuit 13 further include power supply indicator L1, system indicator L2 and The both ends of HT pilot L3, the power supply indicator L1 are defeated with positive DC output terminal, the negative DC of rectifier CS respectively Outlet is electrically connected, and the system indicator L2 is connected on one group of contact of the Double-linkage switch SA2 and the anode of rectifier CS Between DC output end, the HT pilot L3 and the solenoid valve second YD2 are in parallel.The power supply indicator L1 is used to indicate Whether gas monitoring system 1 powers on, and power supply indicator L1 is bright when Double-linkage switchs SA1 external AC power supplies.The system Indicator light L2 is used to indicate the start and stop of gas monitoring system 1, when Double-linkage switch SA2 is pressed gas monitoring system 1 start and System indicator L2 is bright.The HT pilot L3 is used to indicate whether gas monitoring system 1 is in high pressure gas pattern, contacts HT pilot L3 is bright during the normally opened contact closure of device KA2.

Preferably, as shown in Figure 1, the gas monitoring system 1 further includes high pressure air gauge 15, the air gauge 14 is set Between one end of the solenoid valve second YD2 and the output terminal of booster pump 11.The high pressure air gauge 15 increases for Real Time Observation The output pressure size of press pump 11, personnel easy to operation adjust the output pressure of booster pump 11.

The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality With new principle, and the limitation to scope of protection of the utility model cannot be construed in any way.Based on explanation herein, Those skilled in the art would not require any inventive effort the other embodiments that can associate the utility model, These modes are fallen within the scope of protection of the utility model.

Claims (8)

1. a kind of tile forming mold core takes out blow-off system, including gas monitoring system and ceramic tile core rod, the gas monitoring system Connected with ceramic tile core rod, it is characterised in that：

The gas monitoring system includes booster pump, solenoid valve first, solenoid valve second and solenoid valve third, the solenoid valve first, electromagnetism Valve second and solenoid valve third are normally closed electromagnetic gas valve；The input terminal of the booster pump passes through solenoid valve first external gas source, the electricity One end of magnet valve second is connected with the output terminal of booster pump, the external source of the gas in one end of the solenoid valve third；

The ceramic tile core rod includes core rod body and extraction tracheae, and the core rod body is internally provided with air guide channel and multiple leads Stomata, the working face of one end connection core rod body of the gas port, the other end of the gas port are connected with air guide channel, institute The one end of air guide channel also with the extraction tracheae is stated to connect；

The other end of the other end of the solenoid valve second and the other end of solenoid valve third with the extraction tracheae connects.

2. tile forming mold core according to claim 1 takes out blow-off system, it is characterised in that：The gas monitoring system is also Including aspiration pump and normally opened electromagnetic gas valve, one end of the normally opened electromagnetic gas valve is connected with the other end of extraction tracheae, described normal The other end for opening electromagnetic gas valve is connected with aspiration pump.

3. tile forming mold core according to claim 2 takes out blow-off system, it is characterised in that：Further include gas control electricity Road, solenoid valve first, solenoid valve second, solenoid valve third, normally opened electromagnetic gas valve and the booster pump pass through the gas control circuit Control；

The gas control circuit includes rectifier CS, Double-linkage switch SA1, SA2, contactor KA1, KA2, KA3, KA4, described The ac input end of rectifier CS switchs SA1 by the Double-linkage and AC power is electrically connected, the cathode of the rectifier CS One group of contact that DC output end switchs SA2 by Double-linkage is electrically connected, and one end of the solenoid valve first passes through the contactor One group of contact of the normally opened contact of KA1 and Double-linkage switch SA2 are electrically connected, and one end of the solenoid valve second is connect by described One group of contact of the normally opened contact of tentaculum KA2 and Double-linkage switch SA2 are electrically connected, and one end of the solenoid valve third passes through institute One group of contact of the normally opened contact and Double-linkage switch SA2 of stating contactor KA3 is electrically connected, and the one of the normally opened electromagnetic gas valve One group of contact that end switchs SA2 by the normally opened contact of the contactor KA4 and the Double-linkage is electrically connected；

The other end of the solenoid valve first, the other end of the solenoid valve second, the other end of the solenoid valve third and described normally opened Negative DC output terminal of the other end of electromagnetic gas valve with the rectifier CS is electrically connected；

The booster pump switchs another group of contact of SA2 by the Double-linkage and AC power is electrically connected.

4. tile forming mold core according to claim 3 takes out blow-off system, it is characterised in that：The gas control circuit is also S1 is switched including pumping, the aspiration pump switchs S1 by the pumping and AC power is electrically connected.

5. tile forming mold core according to claim 3 takes out blow-off system, it is characterised in that：Further include model selection electricity Road, the mode selection circuit are overlapped in one group of contact of Double-linkage switch SA2 and the negative DC output of the rectifier CS Between end；

The mode selection circuit includes high pressure selection branch parallel with one another, normal pressure selection branch, high pressure gas branch, normal pressure Exhaust branch and pumping branch, the high pressure selection branch includes the coil of the high-voltage switch gear S2 and relay Y1 of series connection, described Normal pressure selection branch includes the coil of the normal pressure switch S3 and relay Y2 of series connection；

The high pressure gas branch includes the first normally opened contact of relay Y1, the normally-closed contact of relay Y2 and the contact of series connection The coil of device KA1 and the coil of contactor KA2, the first normally opened contact of the relay Y1 and the normally-closed contact string of relay Y2 Join, connect after the coil of the contactor KA1 and the coils from parallel connection of coils of contactor KA2 with the normally-closed contact of relay Y2；

The atmospheric exhaust branch includes the first normally opened contact of relay Y2, the normally-closed contact of relay Y1 and the contact of series connection The coil of device KA3；

The pumping branch includes the second normally opened contact, the second normally opened contact and contactor KA4 of relay Y2 of relay Y1 Coil, with contactor KA4's after the second normally opened contact parallel connection of the second normally opened contact and relay Y2 of the relay Y1 Coil is connected.

6. tile forming mold core according to claim 5 takes out blow-off system, it is characterised in that：The mode selection circuit is also Including core rod location sensitive circuit, the core rod location sensitive circuit, high pressure selection branch, normal pressure selection branch, high pressure gas Branch, atmospheric exhaust branch and pumping branch are parallel with one another；

The core rod location sensitive circuit includes the coil of the core rod position sensor SQ and relay Y3 of series connection；

In the high pressure gas branch, between the first normally opened contact of the relay Y1 and the normally-closed contact of relay Y2 also The first normally opened contact of series relay Y3；

In the atmospheric exhaust branch, between the first normally opened contact of the relay Y2 and the normally-closed contact of relay Y1 also The second normally opened contact of series relay Y3.

7. tile forming mold core according to claim 3 takes out blow-off system, it is characterised in that：The gas control circuit is also Including power supply indicator L1, system indicator L2 and HT pilot L3, the both ends of the power supply indicator L1 are respectively and rectification Positive DC output terminal, the negative DC output terminal of device CS is electrically connected, and the system indicator L2 is connected on the Double-linkage and opens Close between one group of contact of SA2 and the negative DC output terminal of rectifier CS, the HT pilot L3 and the solenoid valve second It is in parallel.

8. tile forming mold core according to claim 1 takes out blow-off system, it is characterised in that：The gas monitoring system is also Including high pressure air gauge, the air gauge is arranged between one end of the solenoid valve second and the output terminal of booster pump.