B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 45/17 (2006.01) B22D 17/20 (2006.01) B29C 45/03 (2006.01) B29C 45/07 (2006.01)
Patent
CA 2364638
An improved injection molding machine having a support frame, an injection gun, a guiding device, and a molding cavity, the guiding device being mounted to the support frame for moving the injection gun along a longitudinal axis towards and back from the molding cavity. The improvement lies in that the guiding device includes an actuator, a lever link, a coupling link, and a guiding track. The actuator is mounted to the support frame and has a piston end movable between a retracted position and an extended position. The lever link has a central portion pivotally mounted to the support frame and further includes first and second ends located respectively on both sides of the central portion, the first end of the lever link being pivotally connected to the piston end of the actuator. The coupling link has a first end pivotally connected to the second end of the lever link and a second end pivotally connected to a connection point of the injection gun, the coupling link being disposed substantially in parallel to the longitudinal axis. The guiding track is mounted to the support frame in such a manner as to extend along the longitudinal axis and cooperates with the injection gun for guiding the same along the longitudinal axis. The guiding device is devised so that a displacement of the piston end of the actuator between the retracted position and the extended position operatively moves the injection gun by means of the links and guiding track towards the molding cavity whereby the injection gun is in injection position and back from the molding cavity wherein the injection gun is in a rest position. The injection molding machine with the above- mentioned guiding device enables a decrease in molding material splashings and improved molding results. The guiding device may be mounted and dismantled very easily for quick and easy maintenance and/or part replacement of the machine.
Coppola Vincenzo
Provencher Camille
Dero Enterprises Inc.
Robic
LandOfFree
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