CN116787577A - High-pressure grouting forming method for toilet bowl - Google Patents
High-pressure grouting forming method for toilet bowl Download PDFInfo
- Publication number
- CN116787577A CN116787577A CN202311040648.7A CN202311040648A CN116787577A CN 116787577 A CN116787577 A CN 116787577A CN 202311040648 A CN202311040648 A CN 202311040648A CN 116787577 A CN116787577 A CN 116787577A
- Authority
- CN
- China
- Prior art keywords
- grouting
- pressure
- mold
- low
- pressure grouting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 52
- 239000002002 slurry Substances 0.000 claims abstract description 40
- 238000000465 moulding Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 210000001161 mammalian embryo Anatomy 0.000 claims abstract description 9
- 238000010926 purge Methods 0.000 claims abstract description 8
- 239000008213 purified water Substances 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000007596 consolidation process Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 description 19
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007569 slipcasting Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- 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
- B28B1/261—Moulds therefor
-
- 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
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/021—Feeding the unshaped material to moulds or apparatus for producing shaped articles by fluid pressure acting directly on the material, e.g. using vacuum, air pressure
-
- 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
-
- 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
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
-
- 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
-
- 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
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
-
- 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
- B28B7/26—Assemblies of separate moulds, i.e. of moulds or moulding space units, each forming a complete mould or moulding space unit independently from each other
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
A high-pressure grouting molding method for a closestool relates to the technical field of ceramic bathrooms, and comprises the following steps: s1, closing and locking a seat ring mold, an inner container mold and a shell mold through a pushing device; s2, introducing compressed air into each mold so as to purge residual cleaning water in each mold; s3, performing multistage low-pressure grouting on each mold through a grouting device, so as to preliminarily form a toilet blank in a cavity of the mold; s4, performing one-stage high-pressure grouting on each die through a grouting device, so as to shape a preliminarily formed toilet blank; s5, introducing compressed air into each mold so as to discharge the redundant slurry in the inner cavity of the toilet blank; s6, introducing compressed gas and high-pressure purified water into each die, and discharging all residual redundant slurry; s7, introducing compressed gas into each mold so as to consolidate and strengthen the toilet blank; s8, controlling the mold to open by the pushing device, and taking out the toilet embryo.
Description
Technical Field
The invention relates to the technical field of ceramic bathrooms, in particular to a high-pressure grouting molding method for a toilet.
Background
The high-pressure grouting forming process is different from the common grouting forming process in the production technology of a closestool, slurry is injected into a mold, the surface of the inner cavity of the mold is made of permeable materials, water in the inner cavity of the mold is discharged by high pressure, and redundant slurry is discharged after a blank body is shaped, so that the blank body with a certain wall thickness is formed.
The existing high-pressure grouting molding process generally divides the toilet into three parts, namely a seat ring, an inner container and a shell, and the three parts are respectively manufactured and then connected into the whole toilet by bonding. However, the existing high-pressure grouting forming equipment has poor integration level and single function, and can only independently produce the seat ring, the inner container or the outer shell, so that enterprises are required to simultaneously configure the seat ring high-pressure forming grouting equipment, the inner container high-pressure forming grouting equipment and the outer shell high-pressure forming grouting equipment, the occupied space is large, the required cost is high, and economic pressure is caused to the enterprises.
In addition, in the existing high-pressure grouting forming method of the closestool, the unattached slurry in the closestool blank body is blown out by adopting a compressed air blowing method during slurry discharging, but experiments show that the residual slurry in the inner cavity of the closestool blank body cannot be completely removed cleanly by adopting a blowing method, so that the thickness of the closestool blank body is uneven, the closestool is easy to crack when being dried or fired, the surface of the fired closestool is uneven, the density of the blank body is low, and the yield is low.
Disclosure of Invention
The invention provides a high-pressure grouting molding method for a closestool, which mainly aims to solve the technical problems of poor equipment integration level, single function, poor grouting effect and low yield of the existing high-pressure grouting molding technology.
The invention adopts the following technical scheme:
the high-pressure grouting forming method for the closestool comprises a high-pressure grouting forming device for the closestool, wherein the high-pressure grouting forming device for the closestool comprises a frame, a mold, a pushing device and a grouting device, and the mold comprises a plurality of seat ring molds, an inner container mold and a shell mold which are arranged on the frame; the high-pressure grouting molding method of the closestool comprises the following steps of:
s1, die assembly: closing and locking the seat ring mold, the inner container mold and the outer shell mold through a pushing device;
s2, purging: introducing compressed air into each mold so as to purge the residual cleaning water in each mold;
s3, grouting at low pressure: performing multistage low-pressure grouting on each mold through a grouting device, so as to preliminarily form a toilet blank in a cavity of the mold;
s4, high-pressure grouting: carrying out one-section high-pressure grouting on each die through a grouting device, so as to carry out shaping on a toilet blank formed preliminarily;
s5, primary slurry discharge: introducing compressed air into each mold so as to discharge the redundant slurry in the inner cavity of the toilet blank;
s6, secondary slurry discharge: introducing compressed gas and high-pressure purified water into each die, thereby completely discharging residual redundant slurry;
s7, consolidating: introducing compressed gas into each mold so as to consolidate and strengthen the toilet blank;
s8, demolding: and controlling the mold to open by the pushing device, and taking out the toilet embryo.
Further, in the step S3, the multi-section low-pressure grouting comprises a first section low-pressure grouting and a second section low-pressure grouting, wherein the grouting pressure of the first section low-pressure grouting is 2.0-3.0kg, and the grouting time is 200-250S; the grouting pressure of the second-stage low-pressure grouting is 4.0-4.5kg, and the grouting time is 150-200s.
Further, in step S3, the multi-stage low-pressure grouting includes a first-stage low-pressure grouting, a second-stage low-pressure grouting, and a third-stage low-pressure grouting; the grouting pressure of the first section of low-pressure grouting is 2.0-3.0kg, and the grouting time is 180-230s; the grouting pressure of the second-stage low-pressure grouting is 3.0-4.0kg, and the grouting time is 120-180s; the grouting pressure of the third section of low-pressure grouting is 4.0-4.5kg, and the grouting time is 45-80s.
Further, in step S4, the grouting pressure of the one-stage high-pressure grouting is 10-12kg, and the grouting time is 1000-1250S.
Further, the pressure difference between the grouting pressure of the last section low-pressure grouting in the multi-section low-pressure grouting and the grouting pressure of the one-section high-pressure grouting is 6.0-8.0kg.
Further, in step S5, the air pressure of the compressed air is 3.0-3.5kg during primary pulp discharging; in step S6, the air pressure of the compressed air is 2.0-2.5kg during secondary pulp discharge, and the pressure of the high-pressure cleaning water is 4.0-4.5kg.
Further, in step S7, when the ceramic blank is consolidated, the air pressure of the compressed air is 2.5-3.5kg, and the consolidation time is 400-500S.
Further, the seat ring mold, the inner container mold and the outer shell mold all comprise a left mold and a right mold which are matched with each other; the frame is provided with a slideway, and each left die and each right die are movably arranged on the slideway through a lifting appliance.
Further, the right die and the left die of the two adjacent dies are connected with each other.
Further, the grouting device comprises a grouting tank, a low-pressure pipeline provided with a diaphragm pump and a high-pressure pipeline provided with a hydraulic cylinder; the grouting tank performs low-pressure grouting on the dies through a low-pressure pipeline, and performs high-pressure grouting on the dies through a high-pressure pipeline.
Compared with the prior art, the invention has the beneficial effects that:
1. the high-pressure grouting forming device for the toilet bowl provided by the invention is integrated with the seat ring mould, the liner mould and the shell mould, so that the production of three parts of the seat ring, the liner and the shell can be simultaneously realized by only one set of equipment, the functions are complete, the occupied space is small, and the cost of enterprises is effectively saved.
2. The high-pressure grouting forming method of the closestool adopts a composite grouting process combining primary grouting and secondary grouting, wherein the primary grouting adopts compressed air to primarily discharge redundant grouting in the inner cavity of the closestool blank, and the secondary grouting adopts a water-air combination mode of high-pressure purified water and compressed air to completely remove residual redundant grouting, so that the thickness uniformity of the closestool blank is ensured, the closestool is not easy to crack when being dried or fired, the surface of the fired closestool is smooth, the density of the blank is improved, and the yield is high.
3. The invention optimizes and improves the production process by adopting a method of combining multi-section low-pressure grouting and one-section high-pressure grouting based on the characteristics of the high-pressure grouting molding process, wherein the multi-section low-pressure grouting can ensure the stable grouting, provides good basic conditions for the subsequent one-section high-pressure grouting, and ensures that grouting pressure transits from low pressure to high pressure stably; the one-section high-pressure grouting can effectively ensure grouting effect and quality of the blank on the basis of ensuring quick shaping of the toilet blank, avoids the phenomenon of layering of the blank, reduces process control difficulty and improves grouting efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
FIG. 2 is a schematic illustration of a plurality of race molds interconnected according to a first embodiment of the invention.
Fig. 3 is a schematic structural diagram of a seat ring mold according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a liner mold according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a shell mold according to a first embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a shell mold according to a second embodiment of the present invention.
Fig. 7 is an enlarged schematic view of the portion a in fig. 6.
In the figure: 1-a frame; 11-lifting appliance; 21-race mold; 22-inner container mould; 23-a shell mold; 24-left mould; 240-ramp; 241-a connection plate; 242-bolts; 243-a limiting structure; 244-a first lug; 25-right mould; 251-a second lug; 26-middle mold; 3-pushing means; 31-a first hydraulic cylinder; 32-pushing plate; 4-a jacking mechanism; 41-an air bag; 42-trachea.
Detailed Description
Specific embodiments of the present invention will be described below with reference to the accompanying drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present invention, but it will be apparent to one skilled in the art that the present invention may be practiced without these details.
Embodiment one:
as shown in fig. 1, a high-pressure grouting forming device for a toilet bowl comprises a frame 1, a slideway (not shown in the figure) and a die; the mold comprises a seat ring mold 21, a liner mold 22 and a shell mold 23; the seat ring mold 21, the liner mold 22 and the shell mold 23 comprise a left mold 24 and a right mold 25 which are matched with each other; the frame 1 is provided with a slideway to which each of the left mould 24 and the right mould 25 is movably arranged by means of the spreader 11. The high-pressure grouting forming device for the toilet bowl provided by the invention is integrated with the seat ring die 21, the liner die 22 and the shell die 23, and all the dies are arranged on the slideway of the frame 1 through the lifting appliance 11, so that the production of three parts of the seat ring, the liner and the shell can be realized at the same time, the movement of all the dies is more flexible and convenient, and the die closing and opening efficiency is improved.
As shown in fig. 1 and 2, in order to facilitate the mold closing and opening operations, the present embodiment connects the right mold 25 and the left mold 24 of two adjacent molds, to be precise, connects the right mold 25 of the former mold and the left mold 24 of the latter mold, so that the left mold 24 of the latter mold can be driven to move when the right mold 25 of the former mold is moved.
As shown in fig. 2 to 5, the outer side walls of each of the left and right molds 24 and 25 are provided with a connection plate 241, and the right and left molds 25 and 24 of the adjacent two molds are connected to each other by the connection plate 241 in cooperation with a bolt 242. Specifically, the outer corners of the left die 24 and the right die 25 are respectively provided with an inclined table 240, and the connecting plates 241 are corner protection plates arranged on the inclined tables 240. After the corner plates of the right die 25 and the left die 24 which are adjacent are connected through the bolts 242, a limiting structure 243 is formed between the two corner plates, and pipelines such as a slurry pipe, a drain pipe or a pressure maintaining pipe of the die can pass through the limiting structure 243, so that the effect of fixing pipelines is achieved, and the arrangement of the inclined table 240 is beneficial to smoother passage of the pipelines. When the two adjacent molds are different types of molds, if the specifications of the molds are different, it is inconvenient to connect the right mold 25 and the left mold 24 of the two adjacent molds with the bolts 242, and the two adjacent molds may be directly fixedly connected with a connecting rod or other flexible connecting members.
As shown in fig. 1, as a preferable scheme: the seat ring mold 21 and the housing mold 23 are double-opening modules including a left mold 24 and a right mold 25; the liner mold 22 is a three-open mold including a middle mold 26, a left mold 24 and a right mold 25, and the middle mold 26 is also movably disposed on the slide of the frame 1 by a hanger.
As shown in fig. 2 to 5, the left mold 24 of each mold is provided with a first lug 244 outside its cavity, and the right mold 25 is provided with a second lug 251 outside its cavity, and the first lug 244 and the second lug 251 are used as handles to facilitate rapid movement of the left mold 24 and the right mold 25 at the time of mold closing or mold opening.
As shown in fig. 1, the frame 1 is provided with a plurality of shell molds 23, a plurality of seat ring molds 21 and a plurality of liner molds 22 in order from left to right. Because the weight of the seat ring is lighter, and the weight of the shell and the inner container is heavier, the seat ring die 21 is arranged in the middle, and the shell die 23 and the inner container die 22 are arranged on two sides, so that the structure of the frame is more stable and reliable, and the situation that the two ends of the frame are unevenly stressed to incline and collapse in the grouting process is avoided. In other embodiments, an alternative arrangement manner may be adopted, that is, a plurality of groups of shell molds 23, seat ring molds 21 and liner molds 22 are alternately arranged on the frame 1, and this alternative arrangement manner is beneficial to continuously removing and bonding the shell blank, seat ring blank and liner blank during demolding, so as to reduce demolding waiting time of different components.
As shown in fig. 1, the high-pressure grouting forming device for the toilet bowl further comprises a pushing device 3, the pushing device 3 comprises a first hydraulic cylinder 31 and a pushing plate 32, a cylinder body of the first hydraulic cylinder 31 is arranged at the right end of the frame 1, an output end of the first hydraulic cylinder 31 is connected to the pushing plate 32, and the pushing plate 32 is in mutual abutting connection with the right die 25 at the rightmost end. When the molds are closed, the pushing device 3 drives the pushing plate 32 to push the molds from right to left until the left mold 24 positioned at the leftmost end is in mutual contact with the left side wall of the frame 1, and the sealing performance among the molds can be ensured when the molds are closed through the pressure of the first hydraulic cylinder 31; when the die is opened, the pushing device 3 drives the pushing plate 32 to reset, so that the pressure applied to the die is relieved, and the die opening operation is facilitated.
As shown in fig. 1, the high-pressure grouting forming device of the toilet bowl further comprises a grouting device (not shown in the figure); specifically, the grouting device comprises a grouting tank, a low-pressure pipeline provided with a diaphragm pump and a high-pressure pipeline provided with a second hydraulic cylinder; the grouting tanks are connected with each mould through a low-pressure pipeline and a high-pressure pipeline. When the grouting device works, the grouting tank performs low-pressure grouting on all the moulds through the low-pressure pipeline, and performs high-pressure grouting on all the moulds through the high-pressure pipeline. The grouting pipeline is divided into a low-pressure pipeline and a high-pressure pipeline, so that grouting pressure can be regulated and controlled more accurately in the low-pressure grouting and high-pressure grouting processes, and the control difficulty is reduced. It should be noted that, the internal pipeline structure of each mold belongs to the prior art, so that the description and limitation are not repeated in this embodiment.
As shown in fig. 1 to 5, the working method of the high-pressure grouting forming device for the toilet bowl comprises the following steps:
s1, die assembly: the seat ring mold 21, the inner container mold 22 and the outer shell mold 23 are closed and locked by the pushing device 3. In this step, the pushing device 3 drives the pushing plate 32 to move leftwards, so as to sequentially push the liner mold 22, the seat ring mold 21 and the shell mold 23 to move leftwards until the left mold 24 positioned at the leftmost end is mutually abutted against the left side wall of the frame 1, the sealing performance between the molds during mold closing can be ensured by the pressure of the first hydraulic cylinder 31, the slurry can not leak out during grouting, the slurry waste is reduced, and the quality of a toilet blank is improved.
S2, purging: and (3) introducing compressed air into each mold so as to purge the residual cleaning water in each mold. After the last round of demolding, the cavity of the mold needs to be washed, so that some washing water can remain in the mold, and the remaining washing water can be purged cleanly in a compressed air purging mode, thereby avoiding influencing the grouting effect.
S3, grouting at low pressure: and (3) carrying out multistage low-pressure grouting on each mold through a grouting device, so as to initially form a toilet blank in the cavity of the mold. Specifically, the grouting device performs low-pressure grouting on each die through a low-pressure pipeline, and in the low-pressure grouting process, grouting pressure is regulated through a diaphragm pump, so that progressive multi-section low-pressure grouting is realized. At this time, the blast pipes of each mould are opened for the mould die cavity communicates with outside atmosphere each other, can in time discharge the gas in the die cavity from this, avoid influencing the quality of low pressure slip casting because of the existence of inside atmospheric pressure, and can guarantee that the moisture content of thick liquids oozes from the die wall, thereby improve low pressure slip casting quality. Preferably, this embodiment employs three-stage low pressure grouting: the grouting pressure of the first section of low-pressure grouting is 2.0-3.0kg, and the grouting time is 180-230s; the grouting pressure of the second section of low-pressure grouting is 3.0-4.0kg, and the grouting time is 120-180s; the grouting pressure of the third section of low-pressure grouting is 4.0-4.5kg, and the grouting time is 45-80s. In other embodiments, two-stage low pressure grouting may also be employed: the grouting pressure of the first section of low-pressure grouting is 2.0-3.0kg, and the grouting time is 200-250s; the grouting pressure of the second section of low-pressure grouting is 4.0-4.5kg, and the grouting time is 150-200s.
S4, high-pressure grouting: and (3) carrying out one-section high-pressure grouting on each die through a grouting device, so as to carry out shaping on the preliminarily formed toilet blank. Specifically, the grouting device performs high-pressure grouting on each die through a high-pressure pipeline, and the grouting pressure is set through a second hydraulic cylinder before the high-pressure grouting starts, so that one-stage high-pressure grouting is realized. At this time, the exhaust pipes of the respective molds are closed, and the slurry is prevented from being charged into the exhaust pipes at high pressure, thereby blocking the exhaust pipes. The water in the slurry seeps out through the die wall under the action of high pressure, thereby realizing the shaping effect. Preferably, the grouting pressure of the one-stage high-pressure grouting is 10-12kg, and the grouting time is 1000-1250s.
S5, primary slurry discharge: and (3) introducing compressed air into each mold so as to discharge the surplus slurry in the inner cavity of the toilet blank. The surplus slurry in the step is discharged into a slurry returning pond through a slurry discharging pipe under the blowing of compressed air, so that the effect of primary slurry discharging is achieved. The surplus slurry in the slurry returning pool can be continuously used in the next round of slurry injection, so that the waste of the slurry is effectively reduced. Preferably, the air pressure of the compressed air is 3.0-3.5kg during one pulp discharge.
S6, secondary slurry discharge: and introducing compressed gas and high-pressure purified water into each mold, thereby discharging all residual surplus slurry. Because some surplus slurry still remains in the inner cavity of the toilet blank in one-time slurry discharging process, the high-pressure purified water is introduced to dilute the surplus slurry, and compressed air is introduced to enable the diluted surplus slurry to be discharged into a waste pool through a slurry discharging pipe. Therefore, in the secondary pulp discharging process, purified high-pressure purified water and compressed air are simultaneously introduced, the residual redundant slurry in the toilet blank can be well discharged completely through the mutual cooperation of water and air, and the thickness uniformity of the toilet blank is ensured, so that the toilet is not easy to crack when being dried or fired, the fired toilet is smooth in surface, the density of the blank is improved, and the yield is high. Preferably, the air pressure of the compressed air is 2.0-2.5kg during secondary pulp discharge, and the pressure of the high-pressure cleaning water is 4.0-4.5kg.
S7, consolidating: and (3) introducing compressed gas into each mold so as to consolidate and strengthen the toilet blank. After the secondary slurry discharge is finished, the high-pressure purified water is closed, the slurry discharge pipe is closed, and compressed air is continuously introduced into the inner cavity of the toilet embryo body for consolidation, so that the water in the toilet embryo body is more fully discharged. Preferably, in this step, the air pressure of the compressed air is 2.5-3.5kg and the consolidation time is 400-500s.
S8, demolding: the pushing device 3 controls the die to open, and the toilet embryo is taken out. In this step, the pushing device 3 drives the push plate 32 to reset, thereby releasing the pressure applied to each mold, and facilitating the mold opening operation. After the toilet embryo is taken down, the subsequent work such as manual bonding and the like can be performed.
The conventional toilet bowl common grouting molding process adopts a low-pressure grouting mode, so that the molding efficiency is low, and the molding effect is poor, and therefore, the invention optimizes and improves the production process by adopting a method of combining multi-section low-pressure grouting and one-section high-pressure grouting based on the characteristics of the high-pressure grouting molding process. Specifically:
(1) The multistage low-pressure grouting with gradually improved grouting pressure is adopted, so that stable grouting can be ensured, grouting bubbles and other phenomena are prevented, the grouting effect is better, the quality of a blank body after grouting molding is better, and the phenomenon that the die is damaged due to impact when the die is directly subjected to high-pressure grouting is avoided. Therefore, the multi-section low-pressure grouting provides good foundation conditions for the subsequent one-section high-pressure grouting.
(2) In the prior art, a part of enterprises adopt multi-section high-pressure grouting, but after experiments, the multi-section high-pressure grouting is found to have low grouting efficiency and troublesome parameter regulation and control, and the phenomenon of layering of a toilet blank due to different front and rear grouting pressures is possibly caused, so that the one-section high-pressure grouting with constant grouting pressure is adopted in the high-pressure grouting process, and the toilet blank in the mold is quickly shaped, so that the grouting effect is improved, and the quality of the toilet blank is effectively ensured.
(3) Since only one-stage high-pressure grouting is used, in order to ensure the grouting effect and the shaping effect of the toilet embryo, the grouting pressure of the process should be ensured to be large enough and the duration to be long enough. Based on the above, a progressive multi-stage low-pressure grouting process is required to be adopted in the low-pressure grouting process of the previous step, so that the transition of grouting pressure from low pressure to high pressure and high pressure is ensured, and the obvious pressure difference between the low-pressure grouting process and the high-pressure grouting process is ensured. To be precise, when three-stage low-pressure grouting is adopted, the pressure difference of grouting pressure of each stage should be ensured to be controlled between 0.5 and 1.0kg, and when two-stage low-pressure grouting is adopted, the pressure difference of grouting pressure of two stages should be ensured to be controlled between 1.0 and 2.0 kg. Then, no matter the three-section type low-pressure grouting or the two-section type low-pressure grouting is adopted, the pressure difference between the grouting pressure of the low-pressure grouting at the tail section and the grouting pressure of the high-pressure grouting is controlled to be 6.0-8.0kg.
Embodiment two:
as shown in fig. 6 and 7, unlike the embodiment, the present embodiment is provided with a holding mechanism 4 between the first lug 244 and the second lug 251 for holding the left mold 24 and the right mold 25 open at the time of mold opening, thereby solving the problem of inconvenience in mold opening of the toilet high-pressure grouting mold. Specifically, the holding mechanism 4 includes a balloon 41, an air tube 42, and an air source (not shown in the figure); the bladder 41 is sandwiched between the first and second lugs 244, 251 and is connected to a gas source by a gas tube 42. When the mold is closed, the air in the air bag 41 is discharged through the air pipe 42, so that the air bag 41 is contracted and clamped between the first lug 244 and the first lug 251, and the left mold 24 and the right mold 25 are ensured to be sealed with each other in the grouting process; when the molds are opened, air is supplied to the air bag 41 through the air pipe 42, so that the air bag 41 is inflated, and the left mold 24 and the right mold 25 are automatically ejected. The first and second lugs 244 and 251 in this embodiment can be used not only as mounting portions of the air bag 41 but also as handles for facilitating movement of the left and right molds 24 and 25.
As shown in fig. 6 and 7, the first lug 244 and the second lug 250 are preferably L-shaped plates, one side of each L-shaped plate is fixedly arranged on the side wall of the left mold 24 or the right mold 25, and the other side of each L-shaped plate is mutually propped against the air bag 41. Preferably, the air bag 41 is laid on the front surface of the second lug 251, and both ends of the air bag 41 are fixedly arranged on the back surface of the second lug 251 through the connecting assembly, so that the area of the air bag 41 can be as large as possible, thereby ensuring enough holding force; secondly, the connection assembly is prevented from being clamped between the first lug 244 and the second lug 251, thereby affecting the sealing performance of the mold.
The foregoing is merely illustrative of specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall within the scope of the present invention.
Claims (10)
1. A high-pressure grouting molding method for a toilet is characterized in that: the high-pressure grouting device comprises a frame, a die, a pushing device and a grouting device, wherein the die comprises a plurality of seat ring dies, an inner container die and a shell die which are arranged on the frame; the high-pressure grouting molding method of the closestool comprises the following steps of:
s1, die assembly: closing and locking the seat ring mold, the inner container mold and the outer shell mold through a pushing device;
s2, purging: introducing compressed air into each mold so as to purge the residual cleaning water in each mold;
s3, grouting at low pressure: performing multistage low-pressure grouting on each mold through a grouting device, so as to preliminarily form a toilet blank in a cavity of the mold;
s4, high-pressure grouting: carrying out one-section high-pressure grouting on each die through a grouting device, so as to carry out shaping on a toilet blank formed preliminarily;
s5, primary slurry discharge: introducing compressed air into each mold so as to discharge the redundant slurry in the inner cavity of the toilet blank;
s6, secondary slurry discharge: introducing compressed gas and high-pressure purified water into each die, thereby completely discharging residual redundant slurry;
s7, consolidating: introducing compressed gas into each mold so as to consolidate and strengthen the toilet blank;
s8, demolding: and controlling the mold to open by the pushing device, and taking out the toilet embryo.
2. The high-pressure grouting molding method of the toilet bowl according to claim 1, wherein the method comprises the following steps: in the step S3, the multi-section low-pressure grouting comprises a first section low-pressure grouting and a second section low-pressure grouting, wherein the grouting pressure of the first section low-pressure grouting is 2.0-3.0kg, and the grouting time is 200-250S; the grouting pressure of the second-stage low-pressure grouting is 4.0-4.5kg, and the grouting time is 150-200s.
3. The high-pressure grouting molding method of the toilet bowl according to claim 1, wherein the method comprises the following steps: in step S3, the multi-stage low-pressure grouting includes a first-stage low-pressure grouting, a second-stage low-pressure grouting and a third-stage low-pressure grouting; the grouting pressure of the first section of low-pressure grouting is 2.0-3.0kg, and the grouting time is 180-230s; the grouting pressure of the second-stage low-pressure grouting is 3.0-4.0kg, and the grouting time is 120-180s; the grouting pressure of the third section of low-pressure grouting is 4.0-4.5kg, and the grouting time is 45-80s.
4. The high-pressure grouting molding method of the toilet bowl according to claim 1, wherein the method comprises the following steps: in the step S4, the grouting pressure of the one-stage high-pressure grouting is 10-12kg, and the grouting time is 1000-1250S.
5. A toilet bowl high pressure grouting forming method according to any one of claims 1-4, wherein: the pressure difference between the grouting pressure of the last section low-pressure grouting in the multi-section low-pressure grouting and the grouting pressure of the one-section high-pressure grouting is 6.0-8.0kg.
6. The high-pressure grouting molding method of the toilet bowl according to claim 1, wherein the method comprises the following steps: in the step S5, the air pressure of the compressed air is 3.0-3.5kg during primary pulp discharge; in step S6, the air pressure of the compressed air is 2.0-2.5kg during secondary pulp discharge, and the pressure of the high-pressure cleaning water is 4.0-4.5kg.
7. The high-pressure grouting molding method of the toilet bowl according to claim 1, wherein the method comprises the following steps: in step S7, when the ceramic embryo is consolidated, the air pressure of the compressed air is 2.5-3.5kg, and the consolidation time is 400-500S.
8. The high-pressure grouting molding method of the toilet bowl according to claim 1, wherein the method comprises the following steps: the seat ring mold, the inner container mold and the shell mold comprise a left mold and a right mold which are matched with each other; the frame is provided with a slideway, and each left die and each right die are movably arranged on the slideway through a lifting appliance.
9. The high-pressure grouting molding method of the toilet bowl according to claim 8, wherein the method comprises the following steps: the right mould and the left mould of two adjacent moulds are connected with each other.
10. The high-pressure grouting molding method of the toilet bowl according to claim 1, wherein the method comprises the following steps: the grouting device comprises a grouting tank, a low-pressure pipeline provided with a diaphragm pump and a high-pressure pipeline provided with a hydraulic cylinder; the grouting tank performs low-pressure grouting on the dies through a low-pressure pipeline, and performs high-pressure grouting on the dies through a high-pressure pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311040648.7A CN116787577A (en) | 2023-08-18 | 2023-08-18 | High-pressure grouting forming method for toilet bowl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311040648.7A CN116787577A (en) | 2023-08-18 | 2023-08-18 | High-pressure grouting forming method for toilet bowl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116787577A true CN116787577A (en) | 2023-09-22 |
Family
ID=88039901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311040648.7A Pending CN116787577A (en) | 2023-08-18 | 2023-08-18 | High-pressure grouting forming method for toilet bowl |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116787577A (en) |
-
2023
- 2023-08-18 CN CN202311040648.7A patent/CN116787577A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112157784B (en) | Grouting forming process and grouting device for closestool blank | |
| CN107813402B (en) | High-pressure grouting forming method for toilet bowl | |
| CN106239700B (en) | A kind of ceramic body high-pressure molding technique | |
| CN104290174A (en) | Longitudinal extrusion forming high-pressure grouting device and high-pressure grouting production technique thereof | |
| CN215661634U (en) | Light-duty plastics template is moulded plastics and is used demoulding mechanism | |
| CN115782091A (en) | Injection mold device and demolding method for plastic parts | |
| CN116787577A (en) | High-pressure grouting forming method for toilet bowl | |
| CN105500510A (en) | Steam curing system for building elements | |
| CN113459437A (en) | Plastic sole injection mold for injection molding machine convenient to wash | |
| CN106671250A (en) | High-pressure slip casting process of all-inclusive one-piece toilet | |
| CN101559636A (en) | Three-stage capsule vulcanizing machine | |
| CN110496945B (en) | Full-automatic cold core box core shooter | |
| CN218314701U (en) | Tire half mold and tire mold for manufacturing protective multi-piece tire | |
| CN113137247B (en) | Method for improving concrete pouring efficiency and compactness of tunnel secondary lining arch wall | |
| CN219686008U (en) | High-pressure grouting forming device for toilet bowl | |
| CN113172727A (en) | Large-scale basin high-pressure slip casting make-up machine | |
| CN211564443U (en) | Full-automatic cold box core shooter | |
| CN218540228U (en) | Positive pressure forming mechanism of paper pulp molding equipment | |
| CN109834806A (en) | Ceramic utensil high-pressure slip-casting production line of batch | |
| CN110586732B (en) | Internal high-pressure fluid forming equipment, series oil cylinder mold locking mechanism and mold unlocking method | |
| CN212312290U (en) | High-pressure grouting system | |
| CN219686009U (en) | High-pressure grouting mold for toilet bowl | |
| CN107599131A (en) | A kind of mould for the shaping of closestool high-pressure slip-casting | |
| CN204160603U (en) | The high-pressure slip-casting equipment that a kind of longitudinal direction is extruded | |
| CN206048694U (en) | A kind of air filter pipe joint mould |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |