| 摘要 |
<p>Device in an injection moulding tool for compound injection moulding, in order, as the tool opens, to impart a rotational movement to a turning plate (3), rotatably supported in the tool (1) by means of a rotating shaft (6), amounting to a certain angle, so that a part injection moulded in a first mould chamber (11) can thereby be transferred to a further chamber of at least two mould chambers (11, 12) in the tool which is designed for the application of further material. The rotating shaft (6) at a distant end carries at least one radially spring-loaded slide (8), which is designed to run in at least one helical groove (9). The groove (9) is made around a circular shaft (10), to which, as the tool opens, a linear axial movement can be imparted relative to the slide (8). A rotational movement is imparted to the turning plate (3) by the slide (8) running through the helical groove (9) from a first to a second end of the circular shaft (10). The helical groove (9) is made so that that the rotational movement of the turning plate will occur with constant acceleration during the first half of the rotational movement and with constant retardation during the concluding half of the rotational movement.</p> |
