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Cosmetic drug sealing machine

by MAHONGBO 08 Oct 2022 0 Comments

The machine models can be divided into single punch tablet press, flower basket tablet press, rotary tablet press, sub-high speed rotary tablet press, automatic high speed tablet press and rotary core tablet press.

The machine that presses granular or powdery materials into tablets by a punch in the die hole is called a tablet press.
The earliest tablet presses consisted of a pair of punching dies, with the punch moving up and down to press granular materials into tablets, which was called a single-punch tablet press, and later developed into an electric flower basket tablet press. The working principle of these two types of tablet presses is still the one-way tablet press based on the manual die, i.e., the lower punch is fixed when pressing tablets, and only the upper punch moves to press. This way of tablet pressing, due to the inconsistent force on the top and bottom, causes uneven density inside the tablet, and is easy to produce lobes and other problems.
In response to the shortcomings of the one-way tablet press, a rotary multi-stroke bi-directional tablet press was born. The upper and lower strokes of this type of tablet press are pressed evenly at the same time, so that the air in the drug particles has ample time to escape from the mold holes, which improves the uniformity of the density of the tablets and reduces the phenomenon of lobes. In addition, the rotary tablet press also has the advantages of low vibration, low noise, low energy consumption, high efficiency and accurate tablet weight.
The rotary tablet press is a machine in which granular materials are pressed into tablets by the press wheel through the circular lifting motion of multiple punching dies evenly distributed on the rotary table according to a certain trajectory. This kind of high-speed rotary tablet press has a forced feeding mechanism, which is controlled by PLC and has the functions of automatically adjusting pressure, controlling tablet weight, rejecting waste tablets, printing data, displaying fault stop, etc. In addition to controlling the difference in tablet weight within a certain range, it can automatically identify and reject quality problems such as missing corners and loose lobes. and can reject them.
The shape of the tablets pressed by the tablet press is mostly flat and round at first, but later developed into shallow arc and deep arc on the top and bottom sides, which is needed for coating. With the development of shaped tablet presses, oval, triangular, oblong, square, rhombus and circular tablets were produced. In addition, with the continuous development of formulations, special tablets such as double-layer, triple-layer, and core coating are made due to the requirements of compounding and time-release formulations, which need to be done on special tablet presses.
With the development of market demand, the scope of application of tablet press is also getting wider and wider, no longer simply limited to the pressing of Chinese and Western medicine tablets, but also can be widely pressed health food, veterinary tablets, chemical tablets: such as mothballs hygiene balls, washing blocks, Smurf blocks, art powder cake, pesticide tablets, etc., food tablets: chicken essence blocks, plate blue root blocks, Shen Qu tea blocks, compressed cookies, etc.

930 x 520px


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