A vacuum extruder molding die suitable for hollow square bricks
A technology of vacuum extruder and molding die, which is applied in the direction of ceramic extrusion die, etc., which can solve the problems of lower qualified rate of finished tiles, influence on the strength and quality of mud bricks, and frizzy surface of finished mud bricks, so as to reduce consumption and reduce roughness Roughness phenomenon, the effect of relieving environmental stress
Active Publication Date: 2019-02-26
佛山市伟烁机械有限公司
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Problems solved by technology
In the existing vacuum extruder, the friction between the mud material and the forming mold frame wall during the extrusion process will cause the surface of the finished mud brick to appear frizzy. Usually, the surface of the body is rough, especially at the corners of the mud brick. Subsidence will seriously affect the strength and quality of mud bricks, and it is easy to cause cracks in the subsequent sintering process, which will reduce the qualified rate of finished tiles
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[0023] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
[0024] A vacuum extruder molding die suitable for hollow square bricks, comprising a bottom plate 1 and a mold frame 3 and a bracket 2 arranged on it, the mold frame 3 is arranged at the corresponding extrusion port of the vacuum extruder, and the bracket 2 Set separately from the mold frame 3 on both sides of the bottom plate 1, the bracket 2 is provided with a mold core 21 for the hollow mud body, and one end of the mold core 21 is fixed to the bracket 2;
[0025] The frame edge 31 of the mold frame 3 has a built-in wetting system 4 for wetting the surface of the mud brick adobe, and the wetting system 4 includes a liquid inlet 41, a liquid distribution bar 42 and a liquid outlet 43;
[0026] The wetting liquid enters from the liquid inlet 41, flows through the liquid distribution bar 42 along the...
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Abstract
A vacuum extruder forming mold suitable for hollow square bricks comprises a base plate, a mold frame and a support, wherein the mold frame and the support are arranged on the base plate. The mold frame is arranged at an extruding outlet corresponding to a vacuum extruder. The support and the mold frame are arranged on the two sides of the base plate correspondingly. Mold cores used for hollow mud blanks are arranged on the support. A wetting system used for wetting the surfaces of the mud brick blanks is internally arranged on the frame edge of the mold frame. The wetting system comprises a liquid inlet, liquid distributing bars and a liquid outlet. Wetting liquid enters from the liquid inlet, is distributed through the liquid distributing bars, flows in the mold frame along the frame shape of the frame edge, and finally flows out of the liquid outlet. When the wetting liquid flows through the liquid distributing bars, the surfaces of the mud blanks are wetted through wetting holes. By the adoption of the vacuum extruder forming mold suitable for the hollow square bricks, the abrasion between the mud blanks and the mold frame is reduced, the service life of the mold frame is long, galling and roughness of the surfaces of mud bricks are effectively reduced, and the quality of finished products is improved.
Description
technical field [0001] The invention relates to the technical field of ceramic production equipment, in particular to a vacuum extruder molding die suitable for hollow square bricks. Background technique [0002] There are usually two existing ceramic tile production methods, one is mold dry pressing, that is, put the dry powder into the mold cavity, and press it into a green body by applying pressure, and the other is wet extrusion molding, that is, the mud It is extruded through a forming die on a vacuum extruder. In the existing vacuum extruder, the friction between the mud material and the forming mold frame wall during the extrusion process will make the surface of the finished mud brick rough. Usually the surface of the body is rough, especially at the corners of the mud brick. The subsidence seriously affects the strength and quality of mud bricks, and it is easy to cause cracks in the subsequent sintering process, which reduces the qualified rate of finished tiles. ...
Claims
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IPC IPC(8): B28B3/26
Inventor 黄婉雅
Owner 佛山市伟烁机械有限公司