CN107283607A - A kind of exhaust system for ceramic tile mould when compressing - Google Patents
A kind of exhaust system for ceramic tile mould when compressing Download PDFInfo
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- CN107283607A CN107283607A CN201710646845.1A CN201710646845A CN107283607A CN 107283607 A CN107283607 A CN 107283607A CN 201710646845 A CN201710646845 A CN 201710646845A CN 107283607 A CN107283607 A CN 107283607A
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- magnetic valve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
- B28B7/44—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for treating with gases or degassing, e.g. for de-aerating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0008—Venting channels, e.g. to avoid vacuum during demoulding or allowing air to escape during feeding, pressing or moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0097—Press moulds; Press-mould and press-ram assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of exhaust system for ceramic tile mould when compressing, including gas monitoring system and ceramic tile core rod, gas monitoring system and the connection of ceramic tile core rod；Gas monitoring system includes booster pump, magnetic valve first, magnetic valve second, magnetic valve third, magnetic valve fourth, magnetic valve penta and ejector；Controller control gas control circuit, controller includes mode selection module, and mode selection module is used for the selection of high pressure gas pattern, atmospheric exhaust pattern and extraction pattern.Air in not only taking ceramic powder away in compacting, is also exhausted to ceramic tile core rod before next round compacting and is cleared up with the compression working face to ceramic tile core rod, effectively prevent air guide hole plug, it is ensured that the exhaust quality of next round；Moreover, set atmospheric exhaust and high pressure gas both of which, and can according to the adhesion amount of ceramic powder number, carry out different model selections and the setting of exhaust time selection, exclusion can be blown completely with the ceramic powder for ensuring each gas port.
Description
Technical field
The present invention relates to ceramic die field, more particularly to a kind of exhaust system for ceramic tile mould when compressing
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 is about 30%-40%.Ceramic powder is during downtrodden, and the air included exists
It can gather to form air bolus rapidly under immense pressure, with the increase of pressure, air bolus is further compressed, treat 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
Step becomes the air layer that big air bolus formation separates periphery material, causes to carry interlayer in adobe, influences 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 that solve be difficult on the premise of not influenceing production efficiency exhaust the problem of.But in reality
A large amount of ceramic powders are had during use, after the completion of compacting to be attached on the compression working face of core rod, block logical on core rod
Hole, so that the exhaust quality of ceramic powder is greatly reduced when next round is suppressed, has a strong impact on the Forming Quality of next adobe.
The content of the invention
It is an object of the invention to propose that one kind not only can produce negative pressure when instantaneous pressure is suppressed, take away because of ceramic powder
Entered the air of core rod body by compression, the air guide channel of ceramic tile core rod is carried out also before next round is suppressed forced exhaust with
The air guide channel of ceramic tile core rod is cleared up, air guide hole plug is effectively prevented, is used for porcelain with pressure at expulsion selection function
The exhaust system of mould when brick is compressing.
For up to this purpose, the present invention uses following technical scheme：
A kind of exhaust system for ceramic tile mould when compressing, including gas monitoring system and ceramic tile core rod, institute
State gas monitoring system and the connection of ceramic tile core rod；
The gas monitoring system includes booster pump, magnetic valve first, magnetic valve second, magnetic valve third, magnetic valve fourth, magnetic valve
Penta and ejector, magnetic valve first, the magnetic valve second, magnetic valve third and magnetic valve penta are normally closed electromagnetic gas valve, the electromagnetism
Valve fourth is normally opened electromagnetic gas valve；The input of the booster pump passes through magnetic valve first external gas source, one end of the magnetic valve second
Connected with the output end of booster pump, the external source of the gas in one end of the magnetic valve third, one end of magnetic valve fourth and ejector
Air inlet is connected, the external source of the gas in one end of magnetic valve penta, and the other end of magnetic valve penta and the medium input port of ejector connect
It is logical；
The ceramic tile core rod includes core rod body and extraction tracheae, and the inside of the core rod body is provided with air guide channel and many
Individual gas port, one end of the gas port connects the compression working face of core rod body, and the other end of the gas port and air guide are logical
Road is connected, and the one end of the air guide channel also with the extraction tracheae is connected；
The other end of the other end of the magnetic valve second, the other end of magnetic valve third and magnetic valve fourth with the extraction gas
The other end connection of pipe；
Also include gas and control circuit, for controlling magnetic valve first, magnetic valve second, magnetic valve third, magnetic valve fourth and electromagnetism
The break-make of valve penta, and control the start and stop of the booster pump；
Also include controller, the controller controls the gas control circuit, and the controller includes model selection mould
Block, the mode selection module is used for the selection of high pressure gas pattern, atmospheric exhaust pattern and extraction pattern.
Preferably, the gas monitoring system also includes dust flue, and the nozzle of the ejector is connected with dust flue.
Preferably, gas control circuit include rectifier CS, Double-linkage switch SA1, SA2 and contactor KA1, KA2,
KA3, KA4, KA5, the ac input end of the rectifier CS switchs SA1 by the Double-linkage and AC power is electrically connected, institute
One group of contact that the positive DC output end for stating rectifier CS switchs SA2 by Double-linkage is electrically connected, and the one of the magnetic valve first
One group of contact for switching SA2 by the normally opened contact of the contactor KA1 and the Double-linkage is held to electrically connect, the magnetic valve second
One end pass through the normally opened contact of the contactor KA2 and the Double-linkage and switch SA2 one group of contact and electrically connect, the electromagnetism
One group of contact that one end of valve third switchs SA2 by the normally opened contact of the contactor KA3 and the Double-linkage is electrically connected, described
One group of contact that one end of magnetic valve fourth switchs SA2 by the normally opened contact of the contactor KA4 and the Double-linkage is electrically connected,
One end of the magnetic valve penta switchs SA2 one group of contact electricity by the normally opened contact of the contactor KA5 and the Double-linkage
Connection；
The other end of the magnetic valve first, the other end of the magnetic valve second, the other end of the magnetic valve third and described
Negative DC output end of the other end of the other end of magnetic valve fourth and the magnetic valve penta with the rectifier CS is electrically connected.
Preferably, the gas control circuit also includes pressure switch S1, and the booster pump passes through pressure switch S1 and friendship
Flow power electric connection.
Preferably, the gas monitoring system also includes electro connecting pressure gauge, and the electro connecting pressure gauge is arranged at described
Between one end of magnetic valve second and the output end of booster pump；
Pressure switch S1 and the electro connecting pressure gauge electrical connection.
Preferably, the PLC is overlapped in Double-linkage switch SA2 another group of contact and bearing for the rectifier CS
Between the DC output end of pole；
The gas control circuit also includes high-voltage switch gear S3 and normal pressure switch S4, the high-voltage switch gear S3 and the PLC
The input X2 electrical connections of the input X1 electrical connections of controller, the normal pressure switch S4 and the PLC, the pressure
Switch S1 upper limit contact BP1 and PLC input X3 electrical connection, the lower limit contact BP2 of the pressure switch S1 and
The input X4 electrical connections of PLC, the coil of the contactor KA1 and the output end Y1 electrical connections of PLC, it is described
Contactor KA2 coil and the output end Y2 of PLC electrical connections, the coil of the contactor KA3 and PLC it is defeated
Go out to hold Y3 to electrically connect, the coil of the contactor KA4 and the output end Y4 electrical connections of PLC, the line of the contactor KA5
Circle and the output end Y5 of PLC are electrically connected.
Preferably, the mode selection module includes high pressure gas circuit parallel with one another, atmospheric exhaust circuit, pumping electricity
Road and boost pressure circuit；
The high pressure gas circuit includes the input X1 of series connection normally opened contact, the normally closed of the input X2 and touched
The coil of point, the normally-closed contact of the output end Y3 and the output end Y2；
The atmospheric exhaust circuit includes the input X2 of series connection normally opened contact, the normally closed of the input X1 and touched
The coil of point, the normally-closed contact of the output end Y2 and the output end Y3；
It is described pumping circuit include two branch roads parallel with one another, one include the output end Y2 normally opened contact, with
Output end Y2 normally opened contact output end Y3 in parallel normally opened contact, and the output connected with output end Y2 normally opened contact
Hold Y4 coil；Another the normally-closed contact of the output end Y2, the output end Y3 normally-closed contact and defeated that include being serially connected
Go out to hold Y5 coil；
The boost pressure circuit include the normally opened contact of the input X4 of series connection, the normally-closed contact of the input X3 and
The coil of the output end Y1.
Preferably, gas control circuit also include core rod position sensor SQ, the core rod position sensor SQ and
The input X0 electrical connections of PLC,
In the high pressure gas circuit, the normally opened contact of the input X1 and input X2 normally-closed contact it
Between also connect the normally opened contact of the input X0；
In the atmospheric exhaust circuit, the normally opened contact of the input X2 and input X1 normally-closed contact it
Between also connect the normally opened contact of the input X0.
Preferably, the gas control circuit also includes high pressure time switch S5 and normal pressure time switch S6, the high pressure
The time switch S5 and input X5 of PLC electrical connections, the normal pressure time switch S6 and the PLC
Input X6 is electrically connected；
The PLC also include timing module, the time delay module include high pressure timing circuit parallel with one another and
Normal pressure timing circuit；
The high pressure timing circuit includes the input X5 of series connection normally opened contact and very first time relay T1
Coil；
The normal pressure timing circuit includes the input X6 of series connection normally opened contact and second time relay T2
Coil；
In the high pressure gas circuit, between the normally-closed contact of the output end Y3 and the output end Y2 coil also
The normally-closed contact of series connection very first time relay T1；
In the atmospheric exhaust circuit, between the normally-closed contact of the output end Y2 and the output end Y3 coil also
Connect the second time relay T2 normally-closed contact.
Preferably, the gas control circuit also includes power supply indicator L1, system indicator L2 and HT pilot L3,
Positive DC output end, the negative DC output end of the two ends of the power supply indicator L1 respectively with rectifier CS are electrically connected, institute
State system indicator L2 be connected on Double-linkage switch SA2 one group of contact and rectifier CS negative DC output end it
Between, the HT pilot L3 and the magnetic valve second are in parallel.
It is described that for ceramic tile, the exhaust system of mould gives ceramic tile core rod by the gas monitoring system when compressing
It is exhausted and is evacuated, the switch of circuit control each device of gas monitoring system is controlled by the gas, by controller
The switch combination of each device in the gas monitoring system is controlled, so that the gas monitoring system has high pressure gas mould
Formula, three kinds of mode of operations of atmospheric exhaust pattern and extraction pattern, operator select required work by the mode selection module
Operation mode.Negative pressure not only can be produced when instantaneous pressure is suppressed, is taken away because ceramic powder is entered the sky of core rod body by compression
Gas, forced exhaust is carried out with to the progress of the air guide channel of ceramic tile core rod also before next round is suppressed to the air guide channel of ceramic tile core rod
Cleaning, effectively prevents air guide hole plug, it is ensured that the exhaust quality of next round；Moreover, setting two kinds of atmospheric exhaust and high pressure gas
Pattern, and can according to the adhesion amount of ceramic powder number, carry out different model selections and the setting of exhaust time selection,
It can be excluded completely with the ceramic powder for ensuring each gas port.
Brief description of the drawings
The present invention will be further described for accompanying drawing, but the content in accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the exhaust system structural representation of one of embodiment of the invention；
Fig. 2 is the exhaust system exhaust condition figure of one of embodiment of the invention；
Fig. 3 is the exhaust system exhaust condition figure of one of embodiment of the invention；
Fig. 4 is the gas electric operation control circuit figure of one of embodiment of the invention；
Fig. 5 is the PLC connection figure of one of embodiment of the invention；
Fig. 6 is the PLC internal control circuit figure of one of embodiment of the invention.
Wherein：Gas monitoring system 1；Ceramic tile core rod 2；Booster pump 11；Magnetic valve first YD1；Magnetic valve second YD2；Magnetic valve
Third YD3；Magnetic valve fourth YV1；The YD4 of magnetic valve penta；Ejector 12；Source of the gas 13；Core rod body 21；Extraction tracheae 22；Air guide channel
211；Gas port 212；Dust flue 15；Gas controls circuit 3；PLC 4；Mode selection module 41；Rectifier CS；Duplex
Dynamic switch SA1, SA2；Contactor KA1, KA2, KA3, KA4, KA5；Pressure switch S1；Electro connecting pressure gauge 14；High-voltage switch gear S3；
Normal pressure switchs S4；High pressure gas circuit 411；Atmospheric exhaust circuit 412；It is evacuated circuit 413；Boost pressure circuit 414；Core rod position is passed
Sensor SQ；High pressure time switch S5；Normal pressure time switch S6；Timing module 42；High pressure timing circuit 421；Normal pressure timing circuit
422；Very first time relay T1；Second time relay T2；Power supply indicator L1；System indicator L2；HT pilot L3；
Core rod direction of motion A；Gas flow direction B.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
The exhaust system for ceramic tile mould when compressing of the present embodiment, as shown in Figures 1 to 3, including gas prison
Control system 1 and ceramic tile core rod 2, the gas monitoring system 1 and ceramic tile core rod 2 are connected；
As shown in figure 1, the gas monitoring system 1 includes booster pump 11, magnetic valve first YD1, magnetic valve second YD2, electromagnetism
The YD3 of valve third, magnetic valve fourth YV1, the YD4 of magnetic valve penta and ejector 12, the magnetic valve first YD1, magnetic valve second YD2, magnetic valve
The third YD3 and YD4 of magnetic valve penta is normally closed electromagnetic gas valve, and the magnetic valve fourth YV1 is normally opened electromagnetic gas valve；The booster pump 11
Input pass through magnetic valve first YD1 external gas sources 13, the output end of one end of the magnetic valve second YD2 and booster pump 11 connects
Logical, the external source of the gas 13 in one end of the YD3 of magnetic valve third, magnetic valve fourth YV1 one end and the air inlet of ejector 12 connect
Lead to, the YD4 of the magnetic valve penta external source of the gas 13 in one end, the YD4 of magnetic valve penta other end and the medium input port of ejector 12
Connection；
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
Inside be provided with air guide channel 211 and multiple gas ports 212, the compression of one end connection core rod body 21 of the gas port 212
Working face, the other end of the gas port 212 is connected with air guide channel 211, the air guide channel 211 also with the extraction tracheae
22 one end connection；
As shown in figure 1, the other end of the magnetic valve second YD2, the YD3 of magnetic valve third other end and magnetic valve fourth YV1
The other end of the other end with the extraction tracheae 22 is connected；Also include gas control circuit 3, for control magnetic valve first YD1,
Magnetic valve second YD2, the YD3 of magnetic valve third, magnetic valve fourth YV1 and the YD4 of magnetic valve penta break-make, and the control booster pump 11
Start and stop；Also include PLC 4, the PLC 4 controls the gas control circuit 3, and the PLC 4 includes
Mode selection module 41, the mode selection module 41 is used for the choosing of high pressure gas pattern, atmospheric exhaust pattern and extraction pattern
Select.
The exhaust system for ceramic tile mould when compressing gives ceramic tile core rod by the gas monitoring system 1
2 are exhausted and are evacuated, and the switch of each device of gas monitoring system 1 are controlled by gas control circuit 3, by PLC
Controller 4 controls the switch combination of each device in the gas monitoring system 1, so that the gas monitoring system 1 has
High pressure gas pattern, three kinds of mode of operations of atmospheric exhaust pattern and extraction pattern, operator pass through the mode selection module 41
Mode of operation needed for selection.
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, and 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, select the extraction pattern：The YD4 of magnetic valve penta is powered
And open, the magnetic valve fourth YV1 is powered off and opened, and the magnetic valve first YD1, magnetic valve second YD2 and the YD3 of magnetic valve third break
Electricity and closes, so that atmosphere gas is inputted toward ejector 12, when the atmosphere gas is discharged by the narrow nozzle of ejector 12
Supercharging, so that pair core rod body 21 connected with the air inlet of ejector 12 is vacuumized, the air in the ceramic powder
Air guide channel 211 is entered by gas port 212 along B directions, the air is taken out under the vacuum action of the ejector 12
Enter the extraction tracheae 22, the ejector 12 is then entered and narrow from the ejector 12 by the magnetic valve fourth YV1
Nozzle discharge, improve base substrate density uniformity, improve body formation quality and pressing blank efficiency.
If the compression working face attachment ceramic powder of core rod body 21 is few after the completion of compacting, as shown in figure 3, working as core rod
Body 21 along A directions rise when, select the atmospheric exhaust pattern：The YD4 of magnetic valve penta is powered off and closed, the magnetic valve
Fourth YV1 is powered and closed, and the YD3 of magnetic valve third is powered and opened, and the magnetic valve first YD1 and magnetic valve second YD2 are powered off
And close, using atmospheric exhaust：The source of the gas 13 exports atmosphere gas by the YD3 of magnetic valve third to extraction tracheae 22, and
And air guide channel 211 is discharged described in atmosphere gas along B directions from each bar, each gas port 212 is attached to so as to take away
Ceramic powder, it is to avoid influence the exhaust quality of next round because being blocked the gas port 212, then influence next base substrate into
Type quality.
If the compression working face attachment ceramic powder of core rod body 21 is more after the completion of compacting, as shown in figure 3, working as core rod
Body 21 along A directions rise when, select the high pressure gas pattern：The YD4 of magnetic valve penta is powered off and opened, the magnetic valve
Fourth YV1 is powered and closed, and the YD3 of magnetic valve third is powered off and closed, and the magnetic valve first YD1 and magnetic valve second YD2 are powered
And open, booster pump 11 starts and compressed gas, using high pressure gas：The source of the gas 13 enters institute to by magnetic valve first YD1
State booster pump 11 and be pressurized into gases at high pressure, then by magnetic valve second YD2 to the output high-pressure gas of extraction tracheae 22, and high pressure
Air guide channel 211 is discharged described in gas along B directions from each bar, so as to take the ceramic powder for being attached to each gas port 212 away
Material, it is to avoid influence the exhaust quality of next round because being blocked the gas port 212, then influence the shaping matter of next base substrate
Amount.
The exhaust system for ceramic tile mould when compressing is not only taken away in the ceramic powder in compacting
Air, also ceramic tile core rod 2 be exhausted cleared up with the compression working face to ceramic tile core rod 2 before next round compacting,
Effectively prevent the gas port 212 from blocking, it is ensured that the exhaust quality of next round；Moreover, setting atmospheric exhaust and high pressure gas two
The pattern of kind, can select different patterns, with the equal energy of the ceramic powder for ensuring each gas port 212 according to the adhesion amount of ceramic powder
Extract completely.It is evacuated using ejector 12, source of the gas can be made full use of, reduces electric energy loss.The pressure limit of source of the gas 13 is
0.3Mpa-0.8Mpa, the pressure limit of booster pump 11 is 0.9Mpa-2Mpa, i.e., the pressure limit of described atmosphere gas is
0.3Mpa-0.8Mpa, the pressure limit of the gases at high pressure is 0.9Mpa-2Mpa.
Preferably, the gas monitoring system 1 also includes dust flue 15, and the nozzle and dust flue 15 of the ejector 12 connect
It is logical.The gas that the dust flue 15 is used to discharge the ejector 12 is collected and dedusting, it is to avoid ceramic powder is directly arranged
To the external world, meet environmental requirement.
Preferably, as shown in figure 4, gas control circuit 3 includes rectifier CS, Double-linkage switch SA1, SA2 and connect
Tentaculum KA1, KA2, KA3, KA4, KA5, the ac input end of the rectifier CS switch SA1 and alternating current by the Double-linkage
Source is electrically connected, and one group of contact that the positive DC output end of the rectifier CS switchs SA2 by Double-linkage is electrically connected, the electricity
One group of contact that magnet valve first YD1 one end switchs SA2 by the normally opened contact of the contactor KA1 and the Double-linkage is electrically connected
Connect, one end of the magnetic valve second YD2 switchs one group of SA2 by the normally opened contact of the contactor KA2 and the Double-linkage
Contact is electrically connected, and one end of the YD3 of magnetic valve third is switched by the normally opened contact of the contactor KA3 and the Double-linkage
SA2 one group of contact electrical connection, one end of the magnetic valve fourth YV1 passes through the normally opened contact of the contactor KA4 and described pair
Linked switch SA2 one group of contact electrical connection, the normally opened contact that one end of the YD4 of magnetic valve penta passes through the contactor KA5
SA2 one group of contact electrical connection is switched with the Double-linkage；The other end of the magnetic valve first YD1, the magnetic valve second YD2
The other end, the YD3 of the magnetic valve third other end, the other end of the magnetic valve fourth YV1 and the YD4 of the magnetic valve penta it is another
The negative DC output end with the rectifier CS is held to electrically connect.
In gas control circuit 13, the Double-linkage switch SA1 external AC power supplies (can be civil power) are with control
Alternating current is depressured and switchs to direct current (being+24V direct currents), the Double-linkage switch by the break-make of power supply, the rectifier CS
SA2 is used for the start and stop for controlling gas monitoring system 1, contactor KA1 control magnetic valve first YD1 break-make, contactor KA2 control electricity
Magnet valve second YD2 break-make, contactor KA3 control magnetic valves third YD3 break-make, contactor KA4 control magnetic valve fourths YV1's is logical
It is disconnected, contactor KA5 control magnetic valves penta YD4 break-make.
Preferably, as shown in figure 4, gas control circuit 3 also includes pressure switch S1, the booster pump 11 passes through pressure
Power switchs S1 and AC power electrical connection；The pressure switch S1 controls the start and stop of booster pump 11.
Preferably, as shown in figure 1, the gas monitoring system 1 also includes electro connecting pressure gauge 14, the electric contact pressure
Table 14 is arranged between one end of the magnetic valve second YD2 and the output end of booster pump 11；The pressure switch S1 and electric contact
Pressure gauge 14 is electrically connected.The electro connecting pressure gauge 14 is used for the output pressure size of Real Time Observation booster pump 11, is easy to operation
Personnel adjust the output pressure of booster pump 11.The pressure switch S1 and electro connecting pressure gauge 14 are electrically connected, and are connect by the electricity
Whether the output pressure of the detection booster pump 11 of point pressure table 14 reaches the default upper pressure limit values of pressure switch S1 or pressure
Lower limit, when reaching low pressure limit value, pressure switch S1 closure starts so as to booster pump 11, when reaching upper pressure limit value
Shi Suoshu pressure switches S1 is disconnected so as to which booster pump 11 is stalled, and realizes the automatic start-stop of booster pump 11.
Preferably, as shown in figure 5, the PLC 4 is overlapped in Double-linkage switch SA2 another group of contact and described
Between rectifier CS negative DC output end；
The gas control circuit 3 also includes high-voltage switch gear S3 and normal pressure switch S4, the high-voltage switch gear S3 and the PLC
The input X1 electrical connections of controller 4, the input X2 electrical connections of the normal pressure switch S4 and the PLC 4, the pressure
Power switch S1 upper limit contact BP1 and the input X3 electrical connections of PLC 4, the lower limit contact BP2 of the pressure switch S1
Electrically connected with the input X4 of PLC 4, the coil of the contactor KA1 and the output end Y1 electrical connections of PLC 4,
The coil of the contactor KA2 and the output end Y2 electrical connections of PLC 4, coil and the PLC control of the contactor KA3
The output end Y3 electrical connections of device 4, the coil of the contactor KA4 and the output end Y4 electrical connections of PLC 4, the contact
Device KA5 coil and the output end Y5 electrical connections of PLC 4.
The PLC 4 is overlapped in Double-linkage switch SA2 another group of contact and the negative DC of the rectifier CS
Between output end, so that Double-linkage switch SA2 is used for the start and stop for controlling gas monitoring system 1 and is starting gas monitor
Start the PLC 4 while system 1.The high-voltage switch gear S3 is used for the start and stop for controlling the high pressure gas pattern, institute
State the start and stop that normal pressure switch S4 controls the atmospheric exhaust pattern.
Preferably, as shown in fig. 6, the mode selection module 41 includes high pressure gas circuit 411 parallel with one another, normal pressure
Exhaust circuit 412, pumping circuit 413 and boost pressure circuit 414；
The high pressure gas circuit 411 include the normally opened contact of the input X1 of series connection, the input X2 it is normal
The coil of closed contact, the normally-closed contact of the output end Y3 and the output end Y2；
The atmospheric exhaust circuit 412 include the normally opened contact of the input X2 of series connection, the input X1 it is normal
The coil of closed contact, the normally-closed contact of the output end Y2 and the output end Y3；
It is described pumping circuit 413 include two branch roads parallel with one another, one include the output end Y2 normally opened contact,
The output end Y3 in parallel with output end Y2 normally opened contact normally opened contact, and connected with output end Y2 normally opened contact it is defeated
Go out to hold Y4 coil；Another include being serially connected the normally-closed contact of the output end Y2, output end Y3 normally-closed contact and
Output end Y5 coil；
The boost pressure circuit 414 includes the input X4 of series connection normally opened contact, the normally closed of the input X3 and touched
The coil of point and the output end Y1.
During compacting, disconnect high-voltage switch gear S3 and normal pressure switch S4, make input X1 normally opened contact and input X2 it is normal
Open that contact is still off, output end Y2 coil and output end Y3 coil is powered off, so that output end Y2's is normally opened
Contact and output end Y3 normally opened contact are still off, and output end Y2 normally-closed contact and output end Y3 normally-closed contact is still closed
Close, and then output end Y4 coil is still powered off, contactor KA4 coil is still off, allow contactor KA4 normally opened contact still to break
Open and still open so as to magnetic valve fourth YV1, and make output end Y5 coil electricity, contactor KA5 coil electricity allows contactor
KA5 normally opened contact closure is opened so as to the YD4 of magnetic valve penta, and air is pumped into ejector 12 and through dust discharge by magnetic valve fourth YV1
Pipe 15 is discharged.
If the compression working face attachment ceramic powder of core rod body 21 is few after the completion of compacting, when core rod body 21 rises
When, press normal pressure switch S4 input X2 normally opened contact close, the disconnection of input X2 normally-closed contact, input X1 it is normal
Open that contact is still off and input X1 normally-closed contact is still closed, then make output end Y3 coil electricity, output end Y2 line
Circle so that output end Y3 normally opened contact closure, output end Y2 normally opened contact are still off, and makes defeated still in off-position
Go out to hold that Y3 normally-closed contact is disconnected, output end Y2 normally-closed contact is still closed, then make output end Y4 coil electricity, output end Y5
Coil blackout, contactor KA3 coil and contactor KA4 coil be powered, contactor KA2 coil and contactor KA5
Coil still power off, finally make contactor KA3 normally opened contact close so as to the YD3 of magnetic valve third open, make contactor KA2's normal
Open contact still off so as to which magnetic valve second YD2 still closes, made contactor KA4 normally opened contact closure so as to which magnetic valve fourth YV1 is closed
Close, contactor KA5 normally opened contact is disconnected so as to which the YD4 of magnetic valve penta is closed, realize atmospheric exhaust pattern.
If the compression working face attachment ceramic powder of core rod body 21 is more after the completion of compacting, when core rod body 21 rises
When, press that high-voltage switch gear S3 closes input X1 normally opened contact, input X1 normally-closed contact disconnects, input X2 it is normal
Open that contact is still off and input X2 normally-closed contact is still closed, then make output end Y2 coil electricity, output end Y3 line
Circle so that output end Y2 normally opened contact closure, output end Y3 normally opened contact are still off, and makes defeated still in off-position
Go out to hold Y3 normally-closed contact still to close, output end Y2 normally-closed contact disconnects, then makes output end Y4 coil electricity, output end Y5
Coil blackout, contactor KA2 coil and contactor KA4 coil be powered, contactor KA3 coil and contactor KA5
Coil still power off, finally make contactor KA2 normally opened contact close so as to magnetic valve second YD2 open, make contactor KA3's normal
Open contact still off so as to which the YD3 of magnetic valve third still closes, made contactor KA4 normally opened contact closure so as to which magnetic valve fourth YV1 is closed
Close, contactor KA5 normally opened contact is disconnected so as to which the YD4 of magnetic valve penta is closed, realize high pressure gas pattern.
The PLC 4 presets the upper pressure limit value and low pressure limit value of the pressure switch S1, and passes through the electricity
Whether the output pressure of the detection booster pump 11 of contact pressure table 14 reaches the default upper pressure limit values of pressure switch S1 or pressure
Power lower limit.When reaching low pressure limit value, pressure switch S1 lower limit contact BP2 closures make input X4 normally opened contact
Closure, input X3 normally-closed contact is still closed, and then makes output end Y1 coil electricity, and contactor KA4 coil electricity allows
Contactor KA1 normally opened contact closure is opened so as to magnetic valve first YD1, starts booster pump 11 and connects source of the gas 13, defeated to increase
Go out air pressure；When reaching upper pressure limit value, pressure switch S1 upper limit contact BP1 closures make input X4 normally opened contact break
Open, input X3 normally-closed contact disconnects, and then make output end Y1 coil blackout, contactor KA4 coil blackout allows contact
Device KA1 normally opened contact is disconnected so as to which magnetic valve first YD1 is closed, and stop booster pump 11 simultaneously disconnects source of the gas 13, so that output pressure
Keep within a preset range.The boost pressure circuit 414 realizes the automatic start-stop of booster pump 11.
Preferably, as shown in Figure 1, shown in Figure 5, the gas control circuit 3 also includes core rod position sensor SQ, the core rod
The position sensor SQ and input X0 of PLC 4 electrical connections,
As shown in fig. 6, in the high pressure gas circuit 411, the normally opened contact and the input of the input X1
Also connected between X2 normally-closed contact the normally opened contact of the input X0；In the atmospheric exhaust circuit 412, the input
Hold the normally opened contact for the input X0 that also connected between X2 normally opened contact and the normally-closed contact of the input X1.
The core rod position sensor SQ is set close to the die cavity of mould, the position for detecting core rod body 21：Such as Fig. 2
Shown, when 21 press ceramic powder of core rod body, the core rod position sensor SQ power-off, makes input X0 normally opened contact
It is still off, so as to allow the high pressure gas circuit 411, atmospheric exhaust circuit 412 and the open circuit, and then allow gas of pumping circuit 413
Body monitoring system 1 is in pumping state；As shown in figure 3, the core rod position sensor SQ is powered when core rod body 21 rises,
Input X0 normally opened contact is closed, S4 can be switched by high-voltage switch gear S3 and normal pressure and control gas monitoring system 1, make gas
Monitoring system 1 is in exhaust condition.By setting the core rod position sensor SQ to detect the position of core rod body 21, it is to avoid pressure
Gas monitoring system 1 is in pumping state when gas monitoring system 1 is in exhaust condition or the rising of core rod body 21 when processed, improves
Operating reliability.
Preferably, as shown in figure 5, gas control circuit 3 also includes high pressure time switch S5 and normal pressure time switch
S6, the high pressure time switch S5 and the input X5 of the PLC 4 electrical connections, the normal pressure time switch S6 and institute
State the input X6 electrical connections of PLC 4；
As shown in fig. 6, the PLC 4 also includes timing module 42, the time delay module 42 includes parallel with one another
High pressure timing circuit 421 and normal pressure timing circuit 422；
The high pressure timing circuit 421 includes the input X5 of series connection normally opened contact and very first time relay T1
Coil；
The normal pressure timing circuit 422 includes the input X6 of series connection normally opened contact and the second time relay T2
Coil；
In the high pressure gas circuit 411, the normally-closed contact of the output end Y3 and output end Y2 coil it
Between also connect very first time relay T1 normally-closed contact；
In the atmospheric exhaust circuit 412, the normally-closed contact of the output end Y2 and output end Y3 coil it
Between also connect the second time relay T2 normally-closed contact.
The high pressure delay circuit 421 sets the high pressure gas time by the very first time relay T1, in high pressure
High pressure time switch S5 closure, closes the normally opened contact of the input X5 during gas, so make the very first time after
Electrical equipment T1 coil electricity, so that the very first time relay T1 starts timing until reaching high pressure gas setting time, the
One time relay T1 normally-closed contact disconnects, and the coil blackout of the output end Y2 makes magnetic valve second YD2 be converted to by opening
Closure, so as to stop high pressure gas.The normal pressure timing circuit 422 sets atmospheric exhaust by second time relay T2
Time, the normal pressure time switch S6 closure during atmospheric exhaust, and then make the second time relay T2 coil electricity,
So as to which second time relay T2 starts timing until reaching atmospheric exhaust setting time, the second time relay T2's is normal
Closed contact disconnects, and the coil blackout of the output end Y3 makes the YD3 of magnetic valve third be converted to closure by opening, so as to stop normal pressure
Exhaust.The timing module 42 realizes that high pressure gas pattern and the timing of atmospheric exhaust pattern are closed down, and the time of closing down can adjust, for behaviour
Offered convenience as personnel.
Preferably, as shown in figure 4, gas control circuit 3 also includes power supply indicator L1, system indicator L2 and height
Press indicator lamp L3, power supply indicator L1 two ends positive DC output end respectively with rectifier CS, negative DC output
End electrical connection, the system indicator L2 be connected on Double-linkage switch SA2 one group of contact and rectifier CS negative pole it is straight
Flow between output end, the HT pilot L3 and the magnetic valve second YD2 are in parallel.The power supply indicator L1 is used to indicate gas
Whether body monitoring system 1 switches on power, and power supply indicator L1 is bright during Double-linkage switch SA1 external AC power supplies.The system refers to
Show that lamp L2 is used for the start and stop for indicating gas monitoring system 1, gas monitoring system 1 starts and is when Double-linkage switch SA2 is pressed
The indicator lamp L2 that unites is bright.The HT pilot L3 is used to indicate whether gas monitoring system 1 is in high pressure gas pattern, contactor
HT pilot L3 is bright during KA2 normally opened contact closure.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed in any way.Based on explanation herein, the technology of this area
Personnel, which would not require any inventive effort, can associate other embodiments of the present invention, and these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of exhaust system for ceramic tile mould when compressing, including gas monitoring system and ceramic tile core rod, described
Gas monitoring system and the connection of ceramic tile core rod, it is characterised in that：
The gas monitoring system includes booster pump, magnetic valve first, magnetic valve second, magnetic valve third, magnetic valve fourth, the and of magnetic valve penta
Ejector, magnetic valve first, the magnetic valve second, magnetic valve third and magnetic valve penta are normally closed electromagnetic gas valve, the magnetic valve fourth
For normally opened electromagnetic gas valve；The input of the booster pump passes through magnetic valve first external gas source, one end of the magnetic valve second and increasing
The output end connection of press pump, the external source of the gas in one end of the magnetic valve third, one end of magnetic valve fourth and the air inlet of ejector
Mouth connection, the external source of the gas in one end of magnetic valve penta, the other end of magnetic valve penta is connected with the medium input port of ejector；
The ceramic tile core rod includes core rod body and extraction tracheae, and the inside of the core rod body is provided with air guide channel and multiple leads
Stomata, one end of the gas port connects the compression working face of core rod body, and 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 is connected；
The other end of the other end of the magnetic valve second, the other end of magnetic valve third and magnetic valve fourth with the extraction tracheae
The other end is connected；
Also include gas and control circuit, for controlling magnetic valve first, magnetic valve second, magnetic valve third, magnetic valve fourth and magnetic valve penta
Break-make, and the control booster pump start and stop；
Also include controller, the controller controls the gas control circuit, and the controller includes mode selection module, institute
Stating mode selection module is used for the selection of high pressure gas pattern, atmospheric exhaust pattern and extraction pattern.
2. the exhaust system according to claim 1 for ceramic tile mould when compressing, it is characterised in that：The gas
Body monitoring system also includes dust flue, and the nozzle of the ejector is connected with dust flue.
3. the exhaust system according to claim 1 for ceramic tile mould when compressing, it is characterised in that：The gas
Body control circuit includes rectifier CS, Double-linkage switch SA1, SA2 and contactor KA1, KA2, KA3, KA4, KA5, the rectification
Device CS ac input end switchs SA1 by the Double-linkage and AC power is electrically connected, the positive DC of the rectifier CS
One group of contact that output end switchs SA2 by Double-linkage is electrically connected, and one end of the magnetic valve first passes through the contactor KA1's
One group of contact electrical connection of normally opened contact and Double-linkage switch SA2, one end of the magnetic valve second passes through the contactor
One group of contact electrical connection of KA2 normally opened contact and Double-linkage switch SA2, one end of the magnetic valve third is connect by described
One group of contact electrical connection of tentaculum KA3 normally opened contact and Double-linkage switch SA2, one end of the magnetic valve fourth passes through institute
One group of contact electrical connection of contactor KA4 normally opened contact and Double-linkage switch SA2 is stated, one end of the magnetic valve penta leads to
Cross one group of contact electrical connection of the normally opened contact and Double-linkage switch SA2 of the contactor KA5；
The other end of the magnetic valve first, the other end of the magnetic valve second, the other end of the magnetic valve third, the magnetic valve
Negative DC output end of the other end of the other end of fourth and the magnetic valve penta with the rectifier CS is electrically connected.
4. the exhaust system according to claim 3 for ceramic tile mould when compressing, it is characterised in that：The gas
Body control circuit also includes pressure switch S1, and the booster pump is electrically connected by pressure switch S1 and AC power.
5. the exhaust system according to claim 4 for ceramic tile mould when compressing, it is characterised in that：The gas
Body monitoring system also includes electro connecting pressure gauge, and the electro connecting pressure gauge is arranged at one end and the booster pump of the magnetic valve second
Output end between；
Pressure switch S1 and the electro connecting pressure gauge electrical connection.
6. the exhaust system according to claim 5 for ceramic tile mould when compressing, it is characterised in that：It is described
PLC is overlapped between Double-linkage switch SA2 another group of contact and the negative DC output end of the rectifier CS；
The gas control circuit also includes high-voltage switch gear S3 and normal pressure switch S4, high-voltage switch gear S3 and the PLC control
The input X2 electrical connections of the input X1 electrical connections of device, the normal pressure switch S4 and the PLC, the pressure switch
S1 upper limit contact BP1 and the input X3 electrical connections of PLC, lower limit contact BP2 and the PLC control of the pressure switch S1
The input X4 electrical connections of device processed, the coil of the contactor KA1 and the output end Y1 electrical connections of PLC, the contact
Device KA2 coil and the output end Y2 electrical connections of PLC, the coil of the contactor KA3 and the output end of PLC
Y3 is electrically connected, the output end Y4 electrical connections of the coil of the contactor KA4 and PLC, the coil of the contactor KA5 and
The output end Y5 electrical connections of PLC.
7. the exhaust system according to claim 6 for ceramic tile mould when compressing, it is characterised in that：The mould
Formula selecting module includes high pressure gas circuit parallel with one another, atmospheric exhaust circuit, pumping circuit and boost pressure circuit；
The high pressure gas circuit include the normally opened contact of the input X1 of series connection, the normally-closed contact of the input X2,
The coil of the normally-closed contact of the output end Y3 and the output end Y2；
The atmospheric exhaust circuit include the normally opened contact of the input X2 of series connection, the normally-closed contact of the input X1,
The coil of the normally-closed contact of the output end Y2 and the output end Y3；
The pumping circuit includes two branch roads parallel with one another, a normally opened contact including the output end Y2 and output
Hold Y2 normally opened contact output end Y3 in parallel normally opened contact, and the output end Y4 connected with output end Y2 normally opened contact
Coil；Another includes the output end Y2 being serially connected normally-closed contact, output end Y3 normally-closed contact and output end
Y5 coil；
The boost pressure circuit includes the normally opened contact of the input X4 of series connection, the normally-closed contact of the input X3 and described
Output end Y1 coil.
8. the exhaust system according to claim 7 for ceramic tile mould when compressing, it is characterised in that：The gas
Body control circuit also includes core rod position sensor SQ, the core rod position sensor SQ and the input X0 electricity of PLC
Connection,
In the high pressure gas circuit, between the normally opened contact of the input X1 and the input X2 normally-closed contact also
Connect the normally opened contact of the input X0；
In the atmospheric exhaust circuit, between the normally opened contact of the input X2 and the input X1 normally-closed contact also
Connect the normally opened contact of the input X0.
9. the exhaust system according to claim 8 for ceramic tile mould when compressing, it is characterised in that：The gas
Body control circuit also includes high pressure time switch S5 and normal pressure time switch S6, high pressure time switch S5 and the PLC control
The input X6 electrical connections of the input X5 electrical connections of device processed, the normal pressure time switch S6 and the PLC；
The PLC also includes timing module, and the time delay module includes high pressure timing circuit and normal pressure parallel with one another
Timing circuit；
The high pressure timing circuit includes the input X5 of series connection normally opened contact and very first time relay T1 coil；
The normal pressure timing circuit includes the input X6 of series connection normally opened contact and the second time relay T2 coil；
In the high pressure gas circuit, also connected between the normally-closed contact of the output end Y3 and the output end Y2 coil
Very first time relay T1 normally-closed contact；
In the atmospheric exhaust circuit, also connected between the normally-closed contact of the output end Y2 and the output end Y3 coil
Second time relay T2 normally-closed contact.
10. the exhaust system according to claim 9 for ceramic tile mould when compressing, it is characterised in that：It is described
Gas control circuit also includes power supply indicator L1, system indicator L2 and HT pilot L3, the power supply indicator L1's
Positive DC output end, the negative DC output end of two ends respectively with rectifier CS are electrically connected, the system indicator L2 series connection
Switched in the Double-linkage between SA2 one group of contact and rectifier CS negative DC output end, the HT pilot L3
It is in parallel with the magnetic valve second.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646845.1A CN107283607B (en) | 2017-08-01 | 2017-08-01 | The exhaust system of mold when a kind of compression moulding for ceramic tile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646845.1A CN107283607B (en) | 2017-08-01 | 2017-08-01 | The exhaust system of mold when a kind of compression moulding for ceramic tile |
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| CN107283607B CN107283607B (en) | 2019-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555255A (en) * | 2018-07-25 | 2018-09-21 | 广东肇庆动力金属股份有限公司 | A kind of mold sand core gas negative pressure pump drainage device |
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|---|---|---|---|---|
| CN101422918A (en) * | 2008-10-21 | 2009-05-06 | 宁波大学 | Easy-to-release ceramic blank forming die |
| US20130106020A1 (en) * | 2011-11-02 | 2013-05-02 | Robert Richard Matthews | Manufacture process for heat resistant wear parts carbon brushes & brake pads ASTM preform slurry carbon & 2.5 phase extrusion die cast design for super alloys. |
| CN103240852A (en) * | 2013-05-03 | 2013-08-14 | 浙江工业大学 | Injection moulding multi-period on-line mold temperature control method and special equipment for method |
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2017
- 2017-08-01 CN CN201710646845.1A patent/CN107283607B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101422918A (en) * | 2008-10-21 | 2009-05-06 | 宁波大学 | Easy-to-release ceramic blank forming die |
| US20130106020A1 (en) * | 2011-11-02 | 2013-05-02 | Robert Richard Matthews | Manufacture process for heat resistant wear parts carbon brushes & brake pads ASTM preform slurry carbon & 2.5 phase extrusion die cast design for super alloys. |
| CN103240852A (en) * | 2013-05-03 | 2013-08-14 | 浙江工业大学 | Injection moulding multi-period on-line mold temperature control method and special equipment for method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555255A (en) * | 2018-07-25 | 2018-09-21 | 广东肇庆动力金属股份有限公司 | A kind of mold sand core gas negative pressure pump drainage device |
| CN108555255B (en) * | 2018-07-25 | 2024-05-07 | 广东肇庆动力金属股份有限公司 | Mould psammitolite gas negative pressure drainage device |
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