Vacuum blank-making equipment and method for ceramic balls with built-in metal skeleton
A technology of metal skeleton and ceramic balls, which is applied in the field of cement processing, can solve the problems that restrict the development of cement ball mills, and achieve the effect of realizing industrialized automatic production, simple equipment, and simple and orderly billet making process
Active Publication Date: 2018-07-03
SHANDONG TIANHUI GRINDING WEAR TECH DEV CO LTD
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Problems solved by technology
[0004] However, in the long-term research of ceramic balls used in cement ball mills, the inventors found that the breakage caused by the impact of starting, emergency stop, throwing, etc. is one of the most common damage modes of ceramic balls, which greatly restricts the cement ball mill. industry development
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[0028] Such as figure 1 , 2 , 3, and 4, the vacuum blanking equipment of ceramic balls with a built-in metal skeleton of the present invention includes a step-by-step conveyor belt 13 that advances along an elliptical track and transmits through it, adopts common magnetic isolation such as 0Cr16Ni14 stainless steel, etc. The lower hemispherical mold 1 is made of materials, and the upper surface is provided with a spherical mold sealing ring 10. The stepping conveyor belt 13 is provided with a positioning pit of the same shape as the bottom of the lower hemispherical mold 1. The positioning pit adopts a non-rotating special shape such as a pentagon. , square, triangle, etc., can prevent the lower hemispherical mold 1 from sliding, rotating, misaligning, etc. on the stepping conveyor belt 13. The lower hemispherical mold 1 passes through at least four stations during the transmission process; the feeding pipe 3 is set above the station one, the metal skeleton 4 is placed above ...
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The invention discloses a vacuum blank manufacturing device for a ceramic ball internally provided with a metal framework. The device comprises a stepping type conveying belt and a lower semi-ball mold which is conveyed through the stepping type conveying belt, made of a magnetism isolating material and provided with a ball mold seal ring on the surface. The lower semi-ball mold at least passes through four stations in the conveying process. A material is fed at the first station; the metal framework is put at the second station; a molding press of which the lower end is provided with a piston rod having a seal ring and of which a shell is provided with an electromagnetic chuck is disposed at the third station; the lower portion of the molding press is connected with an upper semi-ball mold in an electromagnetic mode; a powder pressing hole and a vacuum extraction hole which is provided with a hydrophobic and ventilating filtering device are formed in the upper semi-ball mold; and a transfer device is arranged above the fourth station. The invention further discloses a vacuum blank manufacturing method through the vacuum blank manufacturing device. The method includes the steps of primary filling of the powder material, framework placement, ball body press-fit rounding, ball blank transfer and the like. By means of the vacuum blank manufacturing device and method for the ceramic ball internally provided with the metal framework, industrialized and automatic blank manufacturing of the ceramic ball internally provided with the metal framework can be achieved.
Description
technical field [0001] The invention relates to the field of cement processing, in particular to a vacuum blank-making method and equipment for ceramic balls with a built-in metal skeleton. Background technique [0002] The cement ball mill has the characteristics of strong adaptability to materials, continuous production, large crushing ratio, and easy speed adjustment to grind the fineness of the product. The working principle of the commonly used cement ball mill is that the material enters the mill chamber spirally and evenly through the feeding hollow shaft from the feeding device. There are stepped lining boards or corrugated lining boards in the chamber, and steel balls or ceramic balls of different specifications are installed inside. The rotation of the cylinder produces centrifugal force, which brings the steel ball or ceramic ball to a certain height and then falls, which has the impact and grinding effect on the material. Cement ball mill ceramic ball is a commo...
Claims
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IPC IPC(8): B28B1/00B28B23/02B28B13/02
CPCB28B1/004B28B13/027B28B23/02
Inventor 周俊华尹方勇王峰朱红海朱文沛王征
Owner SHANDONG TIANHUI GRINDING WEAR TECH DEV CO LTD