| 摘要 |
The invention relates to a closing device on a hydraulically operating plast ic injection moulding machine, comprising at least one pressure cylinder unit (10) which is used to build up a locking pressure, a drive cylinder which is accommodated in the pressure piston (13) of the pressure cylinder unit and used to close the injection mould, in addition to a compensating cylinder (3 0) which receives or discharges a hydraulic medium coming from said pressure cylinder unit. The drive cylinder (20) is arranged concentrically with respe ct to the centre axis (m-m) of the pressure cylinder unit (10). The compensatin g cylinder (30) is also arranged concentrically with respect to the centre axi s (m-m) of the pressure cylinder unit (10).This results in a space-saving structure which meets the requirements in terms of precision for the production of moulded articles.
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