MULTIFORMAT MOULD WITH DOUBLE FRAME
The mould is composed by a base plate, ejector and a fixed frame that they support for every format. The blocks-slide, the number of blocks and the mobile frame they change according to the format and to the number of cavities. The mobile frame is tied on the fixed one, which contains extractor bearings to facilitate the exchange of frames. Both the system of heating as that of cleanliness (blowers) they are incorporated into the fixed frame.
A variant for the multiformat moulds , is the utilization of an electromagnetic plate or electropermanent that replaces the ejector to avoid the need to realize multiple pierces of tie between this one and the blocks, improving the change of format. Thus, the blocks and / or lower punches with supplement of every format, are magnetized directly in the correct position using centering devises without the need of screws.