Isostatic-pressing mold core of ceramic brick
An isostatic pressing, ceramic tile technology, applied in the direction of ceramic forming core, ceramic forming mandrel, etc., can solve the problems of poor uniformity of force, unsightly appearance, light transmission, etc., to achieve stable mold work, clear square shape, Long service life effect
Active Publication Date: 2015-04-29
佛山市石湾陶瓷工业研究所有限公司
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Problems solved by technology
[0005] 2. Due to the use of highly elastic CPU as the working layer, the elastic modulus of the CPU is very low, the deflection is large, and the force uniformity in the middle and on the side is poor
[0006] 3. Ceramic tiles have pits on the back of the grid, deep in the middle and shallow on the sides, and the appearance is not beautiful
Sometimes, when the fabric is seriously uneven, the middle of some back grain pits is too deep, causing the brick layer to be too thin, and there will be light transmission, resulting in unqualified products
Method used
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[0026] Such as Figure 3-Figure 4 As shown, a ceramic brick isostatic pressing mold core of the present invention includes a core main body 1 and a CPU glue layer 2 arranged thereon, and the main core body 1 is provided with a plurality of isostatic pressing square frames 3. In this embodiment, The core body 1 is provided with a hydraulic chamber 4 filled with isostatic pressure oil, and the isostatic pressure frame 3 is mounted on the core body 1 through a fixing piece. A square steel piston rod 5 is set in each isostatic pressure frame and under the CPU glue layer. The bottom of the hydraulic chamber 4 is connected with an oil injection hole 6. The isostatic pressure frames are connected to each other through oil passages, and the isostatic pressure oil acts Push the upper CPU rubber layer to float at the bottom of the piston, the CPU rubber layer will not produce deflection deformation, and the pressure acting on the ceramic powder is equal to obtain a complete isostatic pr...
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The invention discloses an isostatic-pressing mold core of a ceramic brick. The isostatic-pressing mold core comprises a mold core main body and a CPU (Central Processing Unit) adhesive layer, and is characterized in that the mold core main body is provided with a plurality of isostatic-pressing square frames; a piston column is arranged in each isostatic-pressing square frame and under the CPU adhesive layer; isostatic-pressing oil is filled under the piston columns; all the isostatic-pressing square frames are communicated by an oil channel; and the isostatic-pressing oil acts on the bottom of the piston column. The isostatic-pressing mold core disclosed by the invention has the advantages that the complete isostatic-pressing effect can be obtained, the structure is simple, the use is convenient and the promotion value is good.
Description
technical field [0001] The invention relates to the technical field of ceramic production equipment, in particular to an isostatic mold core for ceramic bricks. Background technique [0002] At present, the general structure of ceramic tile isostatic pressing molds manufactured at home and abroad is as follows: figure 1 As shown, a layer of polyurethane elastomer (CPU) glue layer 1a with good elasticity is compounded on the surface of the steel mold body. On the mold 1b, engine oil is filled between the CPU glue in the grid and the steel mold, and there is an oil passage 1c communicating with each other. When the upper mold descends to press ceramic bricks, a layer of ceramic material should be placed in the mold cavity, and the unevenness of the density of the cloth layer is unavoidable, thus causing the pressed bricks to deform after firing. The isostatic pressing mold is based on the principle of Pascal’s physical law. When isostatically pressing bricks, it ensures that...
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IPC IPC(8): B28B7/28
Inventor 陈特夫
Owner 佛山市石湾陶瓷工业研究所有限公司