12results about "Slip casting moulds" patented technology

The application relates to the technical field of ceramic production, in particular to a grouting equipment for daily-use ceramic production. The application provides the grouting equipment for daily-use ceramic production which can produce qualified ceramics. The grouting equipment for daily-use ceramic production comprises a mounting plate frame, a ceramic mold, a liquid storage tank, a liquid outlet, a liquid guide pipe and a shaking mechanism, the ceramic mold is placed in the mounting plate frame, the left side of the mounting plate frame is connected with the liquid storage tank, the upper side of the mounting plate frame is provided with the liquid outlet, the ceramic mold is located directly below the liquid outlet, the liquid guide pipe is in communication between the liquid outlet and the liquid storage tank, and the mounting plate frame is provided with the shaking mechanism for shaking the ceramic mold. The air in the piston cylinder is flowed into the ceramic mold through the air guide pipe by starting the motor and moving the limiting frame left and right to drive the ceramic mold and the raw materials to shake, so that the effect of shaking and pressurizing is realized, the raw materials are uniformly distributed in the ceramic mold, and the qualified production rate is improved.

The invention relates to a method for manufacturing a part made of composite material, comprising the arrangement of a fibrous preform (10, 20) in the impregnation chamber (110, 210) of a mould (100, 200), the impregnation chamber (110, 210) being closed by a flexible membrane (130, 230) separating the impregnation chamber (110, 210) from a compaction chamber (120, 220), an impregnation fluid (1000, 3000) being injected into the impregnation chamber (110, 210) and a compression fluid (2000, 4000) being injected into the compaction chamber (120, 220), the compression fluid (2000, 4000) being a liquid in which the value of the density is between 60% and 125% of the density of the impregnation fluid (1000, 3000).

The method for producing an oxide sintered body according to the present invention is a method for producing an oxide sintered body using, as a starting material, an oxide containing two or more elements selected from the group consisting of In element, Ga element, and Zn element, the method satisfying the following (a)-(c). (a) The raw material is an oxide having a purity of 6N or more. (b) The grinding / mixing medium is formed from an oxide that does not contain an element other than the element selected as the starting material. And (c) slurrying using ultrapure water as a dispersion medium.

The invention discloses a three-dimensional ceramic tile and a preparation method thereof. The invention discloses a three-dimensional grouting structure for ceramic tiles, and relates to the technical field of ceramic tile processing. Comprising an upper die; the grouting mechanism and the upper mold are arranged up and down, a grouting cavity is formed after mold closing, a through hole is formed in one side of the top of the upper mold, a grouting pipe is fixedly connected into the through hole, and the grouting pipe is communicated with the grouting cavity; the grouting mechanism comprises at least one lower mold assembly, and a three-dimensional protruding rib structure is arranged on the working face of the lower mold assembly. Through the arrangement of the convex ribs, a grid structure formed by the convex ribs can directly impress three-dimensional textures in a ceramic tile green body, a traditional plane grouting or later engraving process is replaced, the working procedures are reduced, the cost is reduced, meanwhile, the anchoring columns can form a convex structure in the ceramic tile, the mechanical meshing force of the ceramic tile and a binding material is enhanced, and the mechanical performance of the ceramic tile is improved. And the paving firmness is improved.

The invention relates to a method for densifying a fibrous texture made of ceramic material used in injection equipment comprising: - a mould cavity defined between a mould and a counter-mould, the mould cavity defining an internal space; and - a membrane comprising a stiffened zone, the membrane being intended to be placed between a fibrous texture present in the mould cavity and the counter-mould, and the stiffened zone of the membrane having a Young's modulus greater than 200 GPa, the method comprising: - placing (110) a predensified fibrous texture in the mould cavity, the predensified fibrous texture having corrugations on the surface and placing the membrane on the predensified fibrous texture in such a way that the stiffened zone of the membrane is in contact with the peaks of the corrugations of the predensified fibrous texture; - closing (120) the injection equipment by placing the counter-mould on the membrane and applying a compaction pressure (Pcompaction) to the membrane so as to keep the stiffened zone of the membrane in contact with the peaks of the corrugations of the predensified fibrous texture; and - densifying (130) the predensified fibrous texture by infiltrating a slip into the porosity of the predensified fibrous texture, the slip being injected into the mould chamber laterally to the membrane at an injection pressure (Pinjection) such that the difference in pressure between the compaction pressure and the injection pressure is between 0.5 x 10^5 Pa and 6 x 10^5 Pa.

The present application relates to the technical field of ceramic manufacturing, and particularly relates to a gypsum mold with an internal structure ceramic body and a forming method thereof; the mold comprises an internal structure mold and an external main mold, the internal structure mold is used for manufacturing an internal structure model process green body, and the internal structure model process green body is placed in the external main mold and processed into a ceramic product green body; the present application provides a gypsum mold design and forming method of an internal structure ceramic product green body, the external main mold and the internal structure model are reasonably split, gypsum molds are respectively designed, a ceramic clay body mold with an internal structure is obtained, and a complex internal structure can be realized in a ceramic product.

A method for manufacturing ceramic sanitary ware (2) by means of pressure casting in a mould (4) comprising at least two mould parts (5A, 5B), the method comprising the following steps: - a mould treatment step, during which an application device (7) applies a first ceramic body comprising a ceramic suspension with a viscosity of 3,000-30,000 cPs on a surface of at least one of the mould parts (5A, 5B) to form a defined decoration (D) thereon; - a step of closing the mould (4), whereby a casting cavity (6) is formed; - a casting step during which a feeding system feeds a second ceramic body under pressure into the casting cavity (6); - a forming step, during which the liquid component of the second ceramic body flows through the walls of the mould parts (5A, 5B) and out of the casting cavity (6), while the solid component is deposited on said walls; and - a demoulding step, during which the finished ceramic sanitary ware (2), with the defined decoration (D) incorporated therein, is extracted from the mould (4).

Provided is a gypsum composition for preparing a frame base for a ceramic green piece, comprising alpha calcium sulphate hemihydrate in an amount of from 80wt% to 100wt% based on total weight of the composition, beta calcium sulphate hemihydrate in an amount of from 0wt% to 20wt% based on total weight of the composition, and additives in an amount of from 0wt% to 5wt% based on total weight of the composition. The frame base according to the present disclosure shows adapted mechanical and water absorbing properties, which may be used as a support and water absorber for a ceramic green piece and the frame base has a long working lifetime.

The present invention relates to a method for manufacturing a toilet blank. The manufacturing method includes the following steps: a grouting step: producing a seat blank, an inner container blank and a main body blank; a first demolding step: demolding a part of a main body mold, a part of an inner container mold and a part of a seat mold; a first bonding step: bonding a first bonding surface of the inner container blank and a bonding surface of the main body blank to each other; a second demolding step: demolding another part of the inner container mold from the inner container blank; a second bonding step: bonding a bonding surface of the seat blank and a second bonding surface of the inner container blank to each other; and a third demolding step: demolding demolded parts of the seat mold, the inner container mold and the main body mold from a bonded toilet blank. By bonding the blanks to each other with parts of the molds not demolded, the contact of an operator with the blanks is reduced during bonding, and the blanks can be accurately located relative to each other using the parts of the molds.

The application discloses a production process of a toilet blank, a forming die and a toilet, and the production process comprises the following steps: S1, injecting mud into a die; and S2, forming a double-faced mud structure in the base of the toilet blank after a double-faced mud process, taking the double-faced mud structure as a washing ring runner, so that water flow can completely flow through the washing ring runner and realize flushing in the toilet. The independent washing ring runner with smooth inner wall is formed through the double-faced mud process, the flushing capacity of the toilet bowl is further enhanced, and the quality and the aesthetic degree of the product are improved. Since the washing ring runner and the upper ring cavity are independent of each other, the residual water phenomenon is effectively avoided. Meanwhile, the washing hole of the washing ring runner can be directly formed after the completion of the baffle bonding, and manual punching treatment is not needed, so that the production efficiency of the product is improved, and the production cost is saved.

The present application relates to the technical field of ceramic production, in particular to a stacked mold grouting process for daily-use ceramic production, and a stacked mold grouting equipment for daily-use ceramic production, comprising a mounting frame and double-sided mold mounting plates, two adjacent double-sided mold mounting plates being connected through an equal-interval variable-distance mechanism, male molds and female molds being mounted on the two sides of the double-sided mold mounting plates, the male mold being composed of a first gypsum layer and a fixed seat, an outside of a first pressure relief port on the male mold being connected to an input end of a safety pressure relief valve, the female mold comprising a second gypsum layer, the second gypsum layer being attached to the first gypsum layer to form a mold cavity, the second gypsum layer being surrounded by a sealing plate on the outside, an inner wall of the sealing plate being attached to an outer wall of the fixed seat to form a containing cavity, the volume of the containing cavity being greater than that of the mold cavity, the equal-interval variable-distance mechanism between the double-sided mold mounting plates shortens the moving stroke, balances the pressure of each mold cavity, and the process of first grouting the containing cavity at low pressure and then compressing the containing cavity to form the mold cavity reduces the impact on the gypsum layer.

The present application relates to the technical field of bathroom sanitary ware, and particularly discloses a squatting toilet and a preparation method thereof, which comprises a main body, the main body comprises a bowl and a panel arranged on the bowl, one end of the bowl in the length direction is provided with a support body, the upper end of the support body is provided with a water passing base, the upper end of the water passing base is provided with an open end, the panel is provided with a cover, the cover is arranged above the water passing base, and the cover and the water passing base jointly form a water passing cavity for water flow together, the two ends of the water passing cavity are communicated with water channels, and the cover is provided with a first water inlet hole communicated with the water passing cavity. The squatting toilet of the present application can effectively avoid the problems of water accumulation, freeze cracking and water leakage in the support body caused by the communication between the support body and the water channel, and meanwhile, no additional mold parts are needed in the production process, automatic mold taking can be easily realized, and the production efficiency is effectively improved.