ZHANGJIAGANG DINSHENGLIN TRADING CO.,LTD , https://www.dslhouse.com
First of all, we should know what the tablet press is doing? First, let him mention a very important structure - the die, which is the tablet press mold for pressing tablets. The upper and lower punching working faces form the surface shape of the tablet, and the middle die hole diameter is the diameter of the tablet. For tablets of different doses, a suitable size should be selected.
Secondly, it is necessary to understand some of the processes and steps of his work: the punch portion of the undershoot protrudes from the lower end of the middle die hole into the middle die hole, and seals the bottom of the middle die hole; the filler is filled into the middle die hole by the feeder The punch portion of the upper punch (with its working position facing down) falls into the middle die hole from the upper end of the middle die hole, and descends a certain stroke to press the powder into a piece; the upper punch lifts the hole. The undershoot rises to push the tablet out of the middle die hole to complete a tableting process; the lower punch falls to the original position and is ready for the next filling.
The principle of filming in the production process: the control of the dose, the various tablets have different dosage requirements, and the large dose adjustment is achieved by selecting the die of different punch diameters. After the die size is selected, the slight dose adjustment is performed by adjusting the depth of the lower punch into the middle die hole, thereby changing the actual length of the middle die hole after the back cover, to achieve the purpose of adjusting the filling volume of the drug in the die hole. The thickness of the tablet and the degree of compaction are controlled. The dose of the drug is determined according to the prescription and the pharmacopoeia and cannot be changed.
What is the type of tablet press? It is divided into a small tablet press, a single punch tablet machine, and a rotary tablet press.
The single punching machine presses the cam linkage mechanism to make the upper and lower punches produce relative motion to suppress the tablet, and the structure is complicated and is not used. Single punching machine is batch production, intermittent feeding, intermittent filming, low production efficiency, suitable for laboratory and large-size tablet production. Also included is a small tablet press, which is used to compress various granular raw materials into tablets. It can be widely used in pharmaceutical, chemical, food, hospital research and other units for trial production or small batch production of various tablets and sugar. Tablets, calcium tablets, shaped tablets, and the like. It is characterized by a small bench-top electric continuous tableting machine that can also be hand-cranked. It is easy to use, easy to repair, small in size and light in weight. A pair of dies are installed on the machine, the filling depth of the material, and the pressure and thickness of the tablet can be adjusted.
The rotary tablet press has a plurality of pairs of punches arranged on the working turntable in a circumferential shape, and the tail portions of each of the upper and lower punches are controlled by a fixed lifting rail. When the upper and lower punches rotate synchronously with the work turntable, they are controlled by the guide rails to perform axial lifting movements, thereby completing the pressing process. At this time, the process of the tablet press is continuous, continuous feeding and continuous filming. As far as the whole machine is concerned, the force is relatively uniform and stable, and it is widely used in formal production.
In summary, everyone can understand the tablet press from a comprehensive perspective. I believe that everyone should have a bottom in their choices. You only know what kind of tablet press you want.
Detailed working principle of the tablet press
At present, there are still many customers who are not very familiar with the tablet press, and there is also a tablet press that is not suitable for their own enterprises. It is also a good win-win method for everyone. All right, why not? Here is the Zhongnan Pharmaceutical Machinery Factory to tell you about some issues that should be noted when choosing a tablet press.