Composite biological piezoelectric ceramic forming device and forming method

Abstract

The invention relates to a composite biological piezoelectric ceramic forming device. The composite biological piezoelectric ceramic forming device comprises a supporting base plate, an upper pressingdevice, a flattening device and an extruding mechanism, wherein the top of the supporting base plate is provided with the upper pressing device, the flattening device is positioned above the upper pressing device, the flattening device is installed on the top of the outer end of the supporting base plate, and the extruding mechanism is located above the flattening device; and the upper pressing device comprises an upper pressing table, an upper pressing inner sleeve, an upper pressing outer sleeve, an upper pressing hydraulic cylinder, an upper pressure movable sleeve and a winding mechanism,wherein the extruding mechanism comprises an extruding support plate, an extruding body, an outer pressing body and a linkage mechanism. The piezoelectric ceramic extrusion forming device can solve the problems that piezoelectric ceramics cannot be extruded into different sizes in the existing piezoelectric ceramic extrusion molding process, the piezoelectric ceramics are difficult to take downfrom a die after being extruded, the piezoelectric ceramic double-sided extrusion operation is complex and the like, the piezoelectric ceramics can be laid on a thin film, and the piezoelectric ceramics are extruded into the functions of different sizes.

Description

technical field [0001] The invention relates to the technical field of ceramic materials, in particular to a composite biological piezoelectric ceramic forming device and a forming method thereof. Background technique [0002] Piezoelectric ceramics are information functional ceramic materials that can convert mechanical energy and electrical energy into each other. In addition to piezoelectricity, piezoelectric ceramics also have dielectric properties, elasticity, etc., and have been widely used in medical imaging, acoustic sensors, acoustic Transducers, ultrasonic motors and other fields; bio-piezoelectric ceramics refer to piezoelectric ceramic materials used as biomedical materials. [0003] The production process of piezoelectric ceramics is as follows, ingredients - mixing and grinding - pre-firing - secondary grinding - granulation - molding - plastic discharge - sintering into porcelain - shape processing - electrode - High-voltage polarization-aging test, in which ...

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Problems solved by technology

[0006] In order to solve the above problems, the present invention provides a composite bio-piezoelectric ceramic molding device and its molding method, which can solve the existing piezoelectric ceramic extrusion molding cannot extrude piezoelectric ceramics into different sizes, piezoelectric ceramics It is difficult to remove from the mold after extrusion, and the double-sided extrusion operation of piezoelectric ceramics is cumbersome. It can realize the function of laying thin films on piezoelectric ceramics and extruding piezoelectric ceramics into different sizes. Ceramics are extruded into different sizes, piezoelectric ceramics are easy to remove from the mold after extrusion, piezoelectric ceramics are easy to operate on both sides, etc.

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