CN116214672A - High-pressure grouting forming process and device applied to wall-mounted toilet - Google Patents

High-pressure grouting forming process and device applied to wall-mounted toilet Download PDF

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Publication number
CN116214672A
CN116214672A CN202310513623.8A CN202310513623A CN116214672A CN 116214672 A CN116214672 A CN 116214672A CN 202310513623 A CN202310513623 A CN 202310513623A CN 116214672 A CN116214672 A CN 116214672A
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pressure
ceramic
pug
storage tank
pressure sensor
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CN116214672B (en
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赵祥来
赵俊生
张辉
赵建平
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Tangshan Hexiang Intelligent Technology Co Ltd
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Tangshan Hexiang Intelligent Technology Co Ltd
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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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/26—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor
    • B28B1/265—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor pressure being applied on the slip in the filled mould or on the moulded article in the mould, e.g. pneumatically, by compressing slip in a closed mould
    • 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
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/02—Conditioning the material prior to shaping
    • B28B17/026—Conditioning ceramic materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)

Abstract

The invention relates to the technical field of sanitary ceramic processing, in particular to a high-pressure grouting molding process and device applied to a wall-mounted toilet. A high-pressure grouting molding process applied to a wall-mounted toilet bowl comprises the following steps: ball milling raw materials; carrying out vacuum pugging on the raw material powder; adding and subtracting an aqueous agent and adjusting the pH value; pumping out air in the storage tank; placing an outer die; and (5) high-pressure grouting molding. According to the invention, the pH value of the water reducing agent sodium humate is regulated in the process steps, so that the ion hydration degree of the sodium humate is enhanced, the absorption capacity of the sodium humate to water in the mixed pug is stronger, and less free water is contained in the obtained ceramic pug, so that the overall forming degree of the final pug is higher, and the sintered finished product is more compact and is not easy to crack.

Description

High-pressure grouting forming process and device applied to wall-mounted toilet
Technical Field
The invention relates to the technical field of sanitary ceramic processing, in particular to a high-pressure grouting molding process and device applied to a wall-mounted toilet.
Background
Along with the continuous improvement of the living standard of people, the requirements of people on sanitation are also continuously improved, squatting type sanitary appliances are removed, and sitting type sanitary appliances, namely, a toilet bowl, are also arranged, wherein the wall-mounted toilet bowl is quite attractive and elegant due to the embedded water tank, and meanwhile, the quality requirement of the wall-mounted toilet bowl is correspondingly higher.
Most toilets are ceramic products, so in the process of producing wall-mounted toilets, one of the important steps is slip casting, which is a method for casting slurry into a gypsum mold to form products, and is suitable for batch molding of products with complex shapes or large pieces, so the method is quite suitable for producing toilets. Therefore, there is a need for a high-pressure slip casting process and a high-pressure slip casting device capable of improving the water reducing agent effect, so as to solve the problems unsolved by the above-mentioned prior art.
Disclosure of Invention
Therefore, the invention aims to provide a high-pressure grouting forming process and a device applied to a wall-mounted toilet.
The utility model provides a be applied to wall-mounted toilet's high pressure slip casting device, including workstation, a controller, remove the subassembly, the outer mould, the storage tank, the link, link up frame and interior model, outer mould has been placed on the workstation, the workstation right side is connected with the controller, remove the subassembly is installed in controller upside left part, remove the last link of installing of subassembly, the storage tank is installed to link left side downside, storage tank lower part is connected with the link up frame, link up frame downside and be connected with interior model.
Further, still including first pressure sensor, notes material pipe and spring, first pressure sensor is installed in the linking frame lower part outside, and the notes material pipe is installed to storage tank lower side sliding motion, and notes material pipe lower extreme passes interior model and is connected with interior model sliding motion, and notes material pipe upper portion cover has the spring, and both ends are connected with storage tank and notes material pipe respectively about the spring.
Further, the device also comprises a second pressure sensor, a clamping groove is formed in the middle of the upper side of the workbench, the second pressure sensor is arranged in the middle of the upper side of the workbench, and the second pressure sensor is located in the middle of the clamping groove.
A high-pressure grouting molding process applied to a wall-mounted toilet bowl specifically comprises the following steps:
s1: ball milling raw material
Putting the raw materials for ceramic grouting into a ball mill, ball milling by the ball mill and drying to obtain raw material powder;
s2: vacuum pugging is carried out on raw material powder
Soaking raw material powder in pure water for 24-30h to obtain slurry, pumping air in a vacuum chamber of a vacuum pugging machine by an air pump to ensure that the air pressure in the vacuum chamber of the vacuum pugging machine is 0.2-0.4Mpa, adding the slurry into the vacuum chamber of the vacuum pugging machine by a vacuum feeder, wherein the air pressure in air bubbles in a slurry is greater than the air pressure in the vacuum chamber, expanding the air bubbles to reduce the pressure and reduce the thickness of the slurry film, and obtaining the raw material wet slurry;
s3: adding or subtracting water agent and regulating pH value
Adding raw material wet mud into a centrifugal mixer, adding sodium humate and an inorganic water reducer into the raw material wet mud, centrifugally stirring to obtain mixed mud, adding NaOH solution into the mixed mud, and adjusting the pH value of the mixed mud to obtain ceramic mud;
s4: air in the storage tank is pumped out
The storage tank is detached from the connecting frame, air in the storage tank is pumped out through the air pump, ceramic pug is added into the storage tank through the vacuum feeder, and then the storage tank is arranged on the connecting frame;
s5: outer die for placing
Placing the bulge at the bottom of the outer mold on a workbench in alignment with the clamping groove, wherein the bottom of the outer mold generates pressure to the second pressure sensor due to gravity, and when the second pressure sensor detects that the pressure exceeds a threshold value, a signal is sent to the controller, and the controller controls the moving assembly to drive the connecting frame to move downwards until the inner mold moves to the inside of the outer mold, and at the moment, the first pressure sensor is positioned above a gap between the inner mold and the outer mold;
s6: high pressure grouting forming
And injecting ceramic pug into the outer die through the injection pipe until the ceramic pug fills up a gap between the outer die and the inner die, closing the injection pipe through the cooperation of the first pressure sensor and the controller, and simultaneously controlling the moving assembly to drive the moving frame to move upwards by the controller to finish high-pressure grouting molding of the ceramic pug so as to obtain a ceramic pug blank of the wall-mounted toilet.
Further, the step S1 ball-milling the raw materials specifically comprises the following steps:
s1.1: placing the raw materials for ceramic grouting into a ball mill, wherein the components of the raw materials for ceramic grouting are 60-70% SiO 2 、19-28%Al 2 O 3 、3-5%K 2 O、0.1-0.8%Na 2 O、0.4-0.8%CaO、7-15%MgO、0.1-0.6%TiO 2 Then adding the mixture into the mixture according to the volume ratio of 1: absolute ethyl alcohol of 1-1.5, ball milling for 1-2h;
s1.2: taking out the ball-milled raw materials, and drying the ball-milled raw materials in an oven at 80-90 ℃ for 2-4 hours to obtain raw material powder.
Further, the step S3 of adding and subtracting the water agent and adjusting the pH value specifically comprises the following steps:
s3.1: adding the raw material wet mud into a centrifugal mixer, adding sodium humate and an inorganic water reducer into the raw material wet mud, and centrifugally stirring at the speed of 200-300r/min for 30-60min to obtain a mixed mud material;
s3.2: and adding NaOH solution into the mixed pug, adjusting the pH value of the mixed pug to 9-11.5, pouring the mixed pug into a magnetic stirrer, magnetically stirring for 5-10min, and then pouring out to obtain the ceramic pug and storing the ceramic pug by a storage device internally provided with a stirring rod.
Further, the step S6 of high-pressure grouting molding specifically comprises the following steps:
s6.1: opening a material injection pipe, and injecting ceramic pug into the outer die through the material injection pipe until the ceramic pug fills up a gap between the outer die and the inner die;
s6.2: the material injection pipe continues to spray out ceramic pug, the ceramic pug extrudes from the gap between outer mould and the interior mould to extrude first pressure sensor, first pressure sensor detects pressure and surpasses the threshold value, then sends the signal to the controller, and the controller sends the signal to the material injection pipe and closes the material injection pipe, and the controller control removes the subassembly and drives the removal frame and upwards remove simultaneously, and interior mould leaves the outer mould inside, accomplishes the high pressure slip casting to ceramic pug, obtains the ceramic mud base of using and wall-mounted toilet.
Further, the inorganic water reducing agent in the step S3 is sodium carbonate, sodium metasilicate or sodium tripolyphosphate.
The beneficial effects are that: 1. according to the invention, the pH value of the water reducing agent sodium humate is regulated in the process steps, so that the ion hydration degree of the sodium humate is enhanced, the absorption capacity of the sodium humate to water in the mixed pug is stronger, and less free water is contained in the obtained ceramic pug, so that the overall forming degree of the final pug is higher, and the sintered finished product is more compact and is not easy to crack.
2. According to the high-pressure grouting forming device, after the outer die is placed on the clamping groove on the workbench, the bottom of the outer die can generate pressure on the second pressure sensor, the second pressure sensor is matched with the controller to control the moving assembly to start, the connecting frame is driven to move downwards, so that the storage tank and the inner die on the connecting frame can move downwards, the effect of automatic material injection is achieved, the outer die does not need to be pressed on the outer side of the material injection pipe manually to wait for material injection to be completed, and labor cost is saved.
3. According to the invention, air in the vacuum chamber of the vacuum pugging machine is pumped out through the air pump, then slurry is added into the vacuum chamber of the vacuum pugging machine through the vacuum feeder, at the moment, the air pressure in the hollow air bubble of the slurry is larger than the air pressure in the vacuum chamber, the pressure difference between the air bubble and the vacuum chamber is enough to break the film on the surface of the slurry, so that the air in the slurry is pressed out of the slurry, the obtained raw material wet slurry has fewer gaps, the slurry blank obtained by slip casting is compact, and the quality of the sintered product is good.
4. When the ceramic pug is injected into the outer die through the injection pipe, the high-pressure grouting forming device disclosed by the invention has the advantages that the height of the ceramic pug rises, the injection pipe is pushed upwards until the injection pipe is pushed to the bottom end to be flush with the bottom of the inner die, so that the inner bottom of the finally obtained ceramic pug blank can be relatively flat, and manual trimming is not needed.
Drawings
Fig. 1 is a flow chart of a high-pressure grouting forming process applied to a wall-hung toilet according to an embodiment of the invention.
Fig. 2 is a schematic perspective view of the device of the present invention.
Fig. 3 is a schematic perspective view of a storage tank, a first pressure sensor, an inner model and other parts of the device.
Fig. 4 is a schematic perspective view of a storage tank, a first pressure sensor, an inner mold and a filling pipe of the device of the present invention.
Fig. 5 is a schematic perspective view of the apparatus of the present invention with the outer mold removed.
Wherein: the device comprises a 1-workbench, a 2-controller, a 21-moving assembly, a 3-outer die, a 4-storage tank, a 41-connecting frame, a 5-first pressure sensor, a 51-connecting frame, a 6-inner die, a 7-feeding pipe, an 8-spring, a 9-clamping groove and a 10-second pressure sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The utility model provides a be applied to wall-mounted toilet's high pressure slip casting device, as shown in fig. 2-5, including workstation 1, a controller 2, remove the subassembly 21, outer mould 3, the storage tank 4, link 41, link 51, interior model 6 and injection tube 7, outer mould 3 has been placed on the workstation 1, the workstation 1 right side is connected with controller 2, remove the subassembly 21 is installed in the left portion of controller 2 upside, install link 41 on the remove the subassembly 21, storage tank 4 is installed to the left side downside of link 41, link 51 sub-unit connection has interior model 6, injection tube 7 is installed to storage tank 4 downside slidingtype, controller 2 control remove the subassembly 21, remove subassembly 21 and drive link 41 reciprocates for storage tank 4 and interior model 6 can reciprocate, interior model 6 removes to the inside of outer mould 3, can carry out the slip casting work.
Further, the automatic feeding device further comprises a first pressure sensor 5 and a spring 8, wherein the first pressure sensor 5 is arranged on the outer side of the lower portion of the connecting frame 51, the first pressure sensor 5 is used for closing the feeding pipe 7 in cooperation with the controller 2, the lower end of the feeding pipe 7 penetrates through the inner model 6 and is connected with the inner model 6 in a sliding mode, the spring 8 is sleeved on the upper portion of the feeding pipe 7, and the upper end and the lower end of the spring 8 are respectively connected with the storage tank 4 and the feeding pipe 7 and used for driving the feeding pipe 7 to reset.
Further, the device also comprises a second pressure sensor 10, a clamping groove 9 is formed in the middle of the upper side of the workbench 1, the second pressure sensor 10 is installed in the middle of the upper side of the workbench 1, the second pressure sensor 10 is matched with the controller 2 and used for controlling the moving assembly 21 to drive the connecting frame 41 to move downwards, and the second pressure sensor 10 is located in the middle of the clamping groove 9.
Example 2
A high-pressure grouting molding process applied to a wall-mounted toilet bowl is shown in fig. 1, and specifically comprises the following steps:
s1: ball milling raw material
Putting the raw materials for ceramic grouting into a ball mill, wherein the components of the raw materials for ceramic grouting are 60% SiO 2 、25%Al 2 O 3 、3%K 2 O、0.4%Na 2 O、0.4%CaO、11%MgO、0.2%TiO 2 Then adding the mixture into the mixture according to the volume ratio of 1:1, 1Absolute ethyl alcohol, ball milling for 2h by a ball mill;
taking out the ball-milled raw materials, and drying the ball-milled raw materials in an oven at 80 ℃ for 2 hours to obtain raw material powder.
S2: vacuum pugging is carried out on raw material powder
The raw material powder is put into pure water with sufficient quantity to soak for 24 hours to obtain slurry, air in a vacuum chamber of a vacuum pugging machine is pumped out through an air pump, the air pressure in the vacuum chamber of the vacuum pugging machine is 0.4Mpa, then the slurry is added into the vacuum chamber of the vacuum pugging machine through a vacuum feeder, at the moment, the air pressure in air bubbles in the slurry is larger than the air pressure in the vacuum chamber, the air bubbles expand to reduce the pressure and reduce the film thickness on the surface of the slurry, the film strength on the surface of the slurry is correspondingly reduced, and when the pressure difference between the air bubbles and the vacuum chamber is sufficient to break the film on the surface of the slurry, the air in the slurry is pressed out of the slurry to obtain the raw material wet slurry.
S3: adding or subtracting water agent and regulating pH value
Adding the raw material wet mud into a centrifugal mixer, adding sodium humate and sodium metasilicate into the raw material wet mud, and centrifugally stirring at the speed of 200r/min for 60min to obtain a mixed mud material;
and adding NaOH solution into the mixed pug, adjusting the pH value of the mixed pug to 11.5, and enhancing the ion hydration degree of sodium humate, so that the absorption capacity of the sodium humate to water in the mixed pug is stronger, then pouring the mixed pug into a magnetic stirrer, magnetically stirring for 10min, pouring out, and storing by a storage device internally provided with a stirring rod to obtain ceramic pug, wherein free water in the obtained ceramic pug is less, thereby enabling the overall forming degree of a final pug to be higher, and the sintered finished product to be more compact and not easy to crack.
S4: air in the storage tank is pumped out
The storage tank 4 is detached from the connecting frame 41, air in the storage tank 4 is pumped out through the air pump, ceramic pugs are added into the storage tank 4 through the vacuum feeder, and then the storage tank 4 is installed on the connecting frame 41.
S5: placing an outer mold 3
The protruding screens 9 that aim at in outer mould 3 bottom place on workstation 1, outer mould 3 bottom is because gravity produces pressure to second pressure sensor 10, and second pressure sensor 10 detects that pressure exceeds the threshold value, then sends the signal to controller 2, and controller 2 control removes subassembly 21 and drive link 41 and move down, until interior model 6 moves to the inside of outer mould 3, has reached the effect of automatic material injection, and need not the manual start and remove the subassembly, saved the human cost, first pressure sensor 5 is located the top of the gap between interior model 6 and outer mould 3 this moment.
S6: high pressure grouting forming
The ceramic pug is injected into the outer die 3 through the injection pipe 7, when the ceramic pug is injected into the outer die 3 through the injection pipe 7, the injection pipe 7 is pushed upwards by rising of the height of the ceramic pug, at the moment, the spring 8 is forced to compress until the injection pipe 7 is pushed to the bottom end to be flush with the bottom of the inner die 6, so that the bottom in the finally obtained ceramic pug blank can be relatively flat, manual trimming is not needed, and the gap between the outer die 3 and the inner die 6 is filled with the ceramic pug;
the injection pipe 7 continues to spray out ceramic mud, the ceramic mud is extruded from the gap between outer mould 3 and interior mould 6, and extrude first pressure sensor 5, first pressure sensor 5 detects pressure and surpasses the threshold value, then send the signal to controller 2, controller 2 sends signal to injection pipe 7 and closes injection pipe 7, simultaneously controller 2 control remove subassembly 21 drive remove the frame and upwards move, interior mould 6 leaves outside mould 3 inside, and injection pipe 7 is also driven upwards to remove, the ceramic mud no longer extrudees injection pipe 7, spring 8 resets at this moment, drive injection pipe 7 through spring 8's reset action and reset, accomplish the high pressure slip casting to ceramic mud, obtain the ceramic mud base of using and wall-hung toilet.
Example 3
A high-pressure grouting molding process applied to a wall-mounted toilet bowl is shown in fig. 1, and specifically comprises the following steps:
s1: ball milling raw material
Putting the raw materials for ceramic grouting into a ball mill, wherein the components of the raw materials for ceramic grouting are 65% SiO 2 、20%Al 2 O 3 、5%K 2 O、0.8%Na 2 O、0.8%CaO、8%MgO、0.4%TiO 2 Then adding the mixture into the mixture according to the volume ratio of 1: absolute ethyl alcohol of 1.5, ball milling for 2 hours;
taking out the ball-milled raw materials, and drying the ball-milled raw materials in an oven at 80 ℃ for 2 hours to obtain raw material powder.
S2: vacuum pugging is carried out on raw material powder
The raw material powder is put into pure water with sufficient quantity to soak for 24 hours to obtain slurry, air in a vacuum chamber of a vacuum pugging machine is pumped out through an air pump, the air pressure in the vacuum chamber of the vacuum pugging machine is 0.4Mpa, then the slurry is added into the vacuum chamber of the vacuum pugging machine through a vacuum feeder, at the moment, the air pressure in air bubbles in the slurry is larger than the air pressure in the vacuum chamber, the air bubbles expand to reduce the pressure and reduce the film thickness on the surface of the slurry, the film strength on the surface of the slurry is correspondingly reduced, and when the pressure difference between the air bubbles and the vacuum chamber is sufficient to break the film on the surface of the slurry, the air in the slurry is pressed out of the slurry to obtain the raw material wet slurry.
S3: adding or subtracting water agent and regulating pH value
Adding the raw material wet mud into a centrifugal mixer, adding sodium humate and sodium metasilicate into the raw material wet mud, and centrifugally stirring at the speed of 200r/min for 60min to obtain a mixed mud material;
and adding NaOH solution into the mixed pug, adjusting the pH value of the mixed pug to 11.5, and enhancing the ion hydration degree of sodium humate, so that the absorption capacity of the sodium humate to water in the mixed pug is stronger, then pouring the mixed pug into a magnetic stirrer, magnetically stirring for 10min, pouring out, and storing by a storage device internally provided with a stirring rod to obtain ceramic pug, wherein free water in the obtained ceramic pug is less, thereby enabling the overall forming degree of a final pug to be higher, and the sintered finished product to be more compact and not easy to crack.
S4: air in the storage tank is pumped out
The storage tank 4 is detached from the connecting frame 41, air in the storage tank 4 is pumped out through the air pump, ceramic pugs are added into the storage tank 4 through the vacuum feeder, and then the storage tank 4 is installed on the connecting frame 41.
S5: placing an outer mold 3
The protruding screens 9 that aim at in outer mould 3 bottom place on workstation 1, outer mould 3 bottom is because gravity produces pressure to second pressure sensor 10, and second pressure sensor 10 detects that pressure exceeds the threshold value, then sends the signal to controller 2, and controller 2 control removes subassembly 21 and drive link 41 and move down, until interior model 6 moves to the inside of outer mould 3, has reached the effect of automatic material injection, and need not the manual start and remove the subassembly, saved the human cost, first pressure sensor 5 is located the top of the gap between interior model 6 and outer mould 3 this moment.
S6: high pressure grouting forming
The ceramic pug is injected into the outer die 3 through the injection pipe 7, when the ceramic pug is injected into the outer die 3 through the injection pipe 7, the injection pipe 7 is pushed upwards by rising of the height of the ceramic pug, at the moment, the spring 8 is forced to compress until the injection pipe 7 is pushed to the bottom end to be flush with the bottom of the inner die 6, so that the bottom in the finally obtained ceramic pug blank can be relatively flat, manual trimming is not needed, and the gap between the outer die 3 and the inner die 6 is filled with the ceramic pug;
the injection pipe 7 continues to spray out ceramic mud, the ceramic mud is extruded from the gap between outer mould 3 and interior mould 6, and extrude first pressure sensor 5, first pressure sensor 5 detects pressure and surpasses the threshold value, then send the signal to controller 2, controller 2 sends signal to injection pipe 7 and closes injection pipe 7, simultaneously controller 2 control remove subassembly 21 drive remove the frame and upwards move, interior mould 6 leaves outside mould 3 inside, and injection pipe 7 is also driven upwards to remove, the ceramic mud no longer extrudees injection pipe 7, spring 8 resets at this moment, drive injection pipe 7 through spring 8's reset action and reset, accomplish the high pressure slip casting to ceramic mud, obtain the ceramic mud base of using and wall-hung toilet.
Example 4
A high-pressure grouting molding process applied to a wall-mounted toilet bowl is shown in fig. 1, and specifically comprises the following steps:
s1: ball milling raw material
Placing the raw materials for ceramic grouting into a ball mill, wherein the raw materials for ceramic groutingThe ingredients of the material are 60% SiO 2 、25%Al 2 O 3 、3%K 2 O、0.4%Na 2 O、0.4%CaO、11%MgO、0.2%TiO 2 Then adding the mixture into the mixture according to the volume ratio of 1: absolute ethyl alcohol of 1, ball milling for 1h by a ball mill;
taking out the ball-milled raw materials, and drying the ball-milled raw materials in an oven at 90 ℃ for 4 hours to obtain raw material powder.
S2: vacuum pugging is carried out on raw material powder
The raw material powder is put into pure water with sufficient quantity to soak for 30 hours to obtain slurry, air in a vacuum chamber of a vacuum pugging machine is pumped out through an air pump, the air pressure in the vacuum chamber of the vacuum pugging machine is 0.2Mpa, then the slurry is added into the vacuum chamber of the vacuum pugging machine through a vacuum feeder, at the moment, the air pressure in air bubbles in the slurry is larger than the air pressure in the vacuum chamber, the air bubbles expand to reduce the pressure and reduce the film thickness on the surface of the slurry, the film strength on the surface of the slurry is correspondingly reduced, and when the pressure difference between the air bubbles and the vacuum chamber is sufficient to break the film on the surface of the slurry, the air in the slurry is pressed out of the slurry to obtain the raw material wet slurry.
S3: adding or subtracting water agent and regulating pH value
Adding the raw material wet mud into a centrifugal mixer, adding sodium humate and sodium metasilicate into the raw material wet mud, and centrifugally stirring at the speed of 200r/min for 60min to obtain a mixed mud material;
and adding NaOH solution into the mixed pug, adjusting the pH value of the mixed pug to 9.5, and enhancing the ion hydration degree of sodium humate, so that the absorption capacity of the sodium humate to water in the mixed pug is stronger, then pouring the mixed pug into a magnetic stirrer, magnetically stirring for 5min, pouring out, and storing by a storage device internally provided with a stirring rod to obtain ceramic pug, wherein free water in the obtained ceramic pug is less, thereby enabling the overall forming degree of a final pug to be higher, and the sintered finished product to be more compact and not easy to crack.
S4: air in the storage tank is pumped out
The storage tank 4 is detached from the connecting frame 41, air in the storage tank 4 is pumped out through the air pump, ceramic pugs are added into the storage tank 4 through the vacuum feeder, and then the storage tank 4 is installed on the connecting frame 41.
S5: outer die for placing
The protruding screens 9 that aim at in outer mould 3 bottom place on workstation 1, outer mould 3 bottom is because gravity produces pressure to second pressure sensor 10, and second pressure sensor 10 detects that pressure exceeds the threshold value, then sends the signal to controller 2, and controller 2 control removes subassembly 21 and drive link 41 and move down, until interior model 6 moves to the inside of outer mould 3, has reached the effect of automatic material injection, and need not the manual start and remove the subassembly, saved the human cost, first pressure sensor 5 is located the top of the gap between interior model 6 and outer mould 3 this moment.
S6: high pressure grouting forming
The ceramic pug is injected into the outer die 3 through the injection pipe 7, when the ceramic pug is injected into the outer die 3 through the injection pipe 7, the injection pipe 7 is pushed upwards by rising of the height of the ceramic pug, at the moment, the spring 8 is forced to compress until the injection pipe 7 is pushed to the bottom end to be flush with the bottom of the inner die 6, so that the bottom in the finally obtained ceramic pug blank can be relatively flat, manual trimming is not needed, and the gap between the outer die 3 and the inner die 6 is filled with the ceramic pug;
the injection pipe 7 continues to spray out ceramic mud, the ceramic mud is extruded from the gap between outer mould 3 and interior mould 6, and extrude first pressure sensor 5, first pressure sensor 5 detects pressure and surpasses the threshold value, then send the signal to controller 2, controller 2 sends signal to injection pipe 7 and closes injection pipe 7, simultaneously controller 2 control remove subassembly 21 drive remove the frame and upwards move, interior mould 6 leaves outside mould 3 inside, and injection pipe 7 is also driven upwards to remove, the ceramic mud no longer extrudees injection pipe 7, spring 8 resets at this moment, drive injection pipe 7 through spring 8's reset action and reset, accomplish the high pressure slip casting to ceramic mud, obtain the ceramic mud base of using and wall-hung toilet.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (8)

1. Be applied to wall-hung toilet's high pressure slip casting device, a serial communication port, including workstation (1), controller (2), remove subassembly (21), outer mould (3), storage tank (4), link (41), link up frame (51) and interior model (6), outer mould (3) have been placed on workstation (1), workstation (1) right side is connected with controller (2), remove subassembly (21) are installed in controller (2) upside left part, install link (41) on remove subassembly (21), storage tank (4) are installed to link (41) left side downside, storage tank (4) lower part is connected with link (51), link (51) downside is connected with interior model (6).
2. The high-pressure grouting forming device for the wall-mounted toilet bowl according to claim 1, further comprising a first pressure sensor (5), a filling pipe (7) and a spring (8), wherein the first pressure sensor (5) is arranged on the outer side of the lower portion of the connecting frame (51), the filling pipe (7) is arranged on the lower side of the storage tank (4) in a sliding mode, the lower end of the filling pipe (7) penetrates through the inner model (6) and is connected with the inner model (6) in a sliding mode, the spring (8) is sleeved on the upper portion of the filling pipe (7), and the upper end and the lower end of the spring (8) are respectively connected with the storage tank (4) and the filling pipe (7).
3. The high-pressure grouting forming device for the wall-mounted toilet bowl according to claim 2, further comprising a second pressure sensor (10), wherein the clamping groove (9) is formed in the middle of the upper side of the workbench (1), the second pressure sensor (10) is arranged in the middle of the upper side of the workbench (1), and the second pressure sensor (10) is located in the middle of the clamping groove (9).
4. The high-pressure grouting molding process applied to the wall-hung toilet is characterized by comprising the following steps of:
s1: ball milling raw material
Putting the raw materials for ceramic grouting into a ball mill, ball milling by the ball mill and drying to obtain raw material powder;
s2: vacuum pugging is carried out on raw material powder
Soaking raw material powder in pure water for 24-30h to obtain slurry, pumping air in a vacuum chamber of a vacuum pugging machine by an air pump to ensure that the air pressure in the vacuum chamber of the vacuum pugging machine is 0.2-0.4Mpa, adding the slurry into the vacuum chamber of the vacuum pugging machine by a vacuum feeder, wherein the air pressure in air bubbles in a slurry is greater than the air pressure in the vacuum chamber, expanding the air bubbles to reduce the pressure and reduce the thickness of the slurry film, and obtaining the raw material wet slurry;
s3: adding or subtracting water agent and regulating pH value
Adding raw material wet mud into a centrifugal mixer, adding sodium humate and an inorganic water reducer into the raw material wet mud, centrifugally stirring to obtain mixed mud, adding NaOH solution into the mixed mud, and adjusting the pH value of the mixed mud to obtain ceramic mud;
s4: air in the storage tank is pumped out
The storage tank (4) is detached from the connecting frame (41), air in the storage tank (4) is pumped out through the air pump, ceramic pug is added into the storage tank (4) through the vacuum feeder, and then the storage tank (4) is installed on the connecting frame (41);
s5: outer mould (3)
Placing the bulge at the bottom of the outer die (3) on a workbench (1) aiming at a clamping groove (9), wherein the bottom of the outer die (3) generates pressure to a second pressure sensor (10) due to gravity, the second pressure sensor (10) detects that the pressure exceeds a threshold value, a signal is sent to a controller (2), and the controller (2) controls a moving assembly (21) to drive a connecting frame (41) to move downwards until an inner die (6) moves into the outer die (3), and at the moment, a first pressure sensor (5) is positioned above a gap between the inner die (6) and the outer die (3);
s6: high pressure grouting forming
And injecting ceramic pug into the outer die (3) through the injection pipe (7) until the ceramic pug fills up a gap between the outer die (3) and the inner die (6), closing the injection pipe (7) through the cooperation of the first pressure sensor (5) and the controller (2), and simultaneously controlling the moving assembly (21) to drive the moving frame to move upwards by the controller (2), so as to finish high-pressure grouting forming of the ceramic pug, and obtain a ceramic pug blank applied to the wall-mounted toilet.
5. The high-pressure grouting molding process applied to the wall-mounted toilet bowl according to claim 4, wherein the step S1 ball-milling raw materials specifically comprises the following steps:
s1.1: putting the raw materials for ceramic grouting into a ball mill, wherein the raw materials for ceramic grouting comprise 60-70% of SiO2, 19-28% of Al2O3, 3-5% of K2O, 0.1-0.8% of Na2O, 0.4-0.8% of CaO, 7-15% of MgO and 0.1-0.6% of TiO2, and adding the raw materials according to the volume ratio of 1: absolute ethyl alcohol of 1-1.5, ball milling for 1-2h;
s1.2: taking out the ball-milled raw materials, and drying the ball-milled raw materials in an oven at 80-90 ℃ for 2-4 hours to obtain raw material powder.
6. The high-pressure grouting molding process for the wall-mounted toilet bowl according to claim 4, wherein the step S3 comprises the steps of adding and subtracting the water agent and adjusting the pH value, and the method specifically comprises the following steps of:
s3.1: adding the raw material wet mud into a centrifugal mixer, adding sodium humate and an inorganic water reducer into the raw material wet mud, and centrifugally stirring at the speed of 200-300r/min for 30-60min to obtain a mixed mud material;
s3.2: and adding NaOH solution into the mixed pug, adjusting the pH value of the mixed pug to 9-11.5, pouring the mixed pug into a magnetic stirrer, magnetically stirring for 5-10min, and then pouring out to obtain the ceramic pug and storing the ceramic pug by a storage device internally provided with a stirring rod.
7. The high-pressure grouting molding process for the wall-mounted toilet according to claim 4, wherein the step S6 of high-pressure grouting molding comprises the following steps:
s6.1: opening a material injection pipe (7), and injecting ceramic pug into the outer die (3) through the material injection pipe (7) until the ceramic pug fills a gap between the outer die (3) and the inner die (6);
s6.2: the injection pipe (7) continues to spout ceramic mud material, the ceramic mud material extrudes from the gap between outer mould (3) and interior mould (6) to extrude first pressure sensor (5), first pressure sensor (5) detects pressure and surpasss the threshold value, then send the signal to controller (2), controller (2) send signal to injection pipe (7) and close injection pipe (7), simultaneously controller (2) control remove subassembly (21) drive and remove the frame and upwards remove, interior mould (6) leave outside mould (3) inside, accomplish the high pressure slip casting to ceramic mud material, obtain the ceramic mud base of using and wall-hung type toilet.
8. The high-pressure grouting molding process for the wall-mounted toilet according to claim 6, wherein the inorganic water reducing agent in the step S3 is sodium carbonate, sodium metasilicate or sodium tripolyphosphate.
CN202310513623.8A 2023-05-09 2023-05-09 High-pressure grouting forming process and device applied to wall-mounted toilet Active CN116214672B (en)

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JP2000289019A (en) * 1999-04-13 2000-10-17 Isuzu Ceramics Res Inst Co Ltd Ceramic molded body manufacturing device
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CN109397476A (en) * 2018-10-22 2019-03-01 广东翔华科技股份有限公司 A kind of water-saving toilet pan high-pressure slip casting process
CN111785989A (en) * 2020-06-29 2020-10-16 中国科学院上海硅酸盐研究所 Sealing material for solid oxide fuel cell using blast furnace slag as main raw material, and preparation method and use method thereof
CN215403043U (en) * 2021-07-15 2022-01-04 湖北川谱医学科技有限公司 Sectional type precision filling device for disinfectant
CN114833734A (en) * 2022-03-24 2022-08-02 安徽致磨新材料科技有限公司 Production and processing equipment for aluminum oxide grinding medium and working method of production and processing equipment

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000289019A (en) * 1999-04-13 2000-10-17 Isuzu Ceramics Res Inst Co Ltd Ceramic molded body manufacturing device
CN108147779A (en) * 2017-12-01 2018-06-12 中山市武汉理工大学先进工程技术研究院 A kind of preparation method of light porous domestic ceramics
CN108859146A (en) * 2018-07-23 2018-11-23 常熟安通林汽车饰件有限公司 A kind of automatic Wrapping apparatus of handrail and its Wrapping method
CN109397476A (en) * 2018-10-22 2019-03-01 广东翔华科技股份有限公司 A kind of water-saving toilet pan high-pressure slip casting process
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CN114833734A (en) * 2022-03-24 2022-08-02 安徽致磨新材料科技有限公司 Production and processing equipment for aluminum oxide grinding medium and working method of production and processing equipment

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