B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/697
B29C 45/58 (2006.01) B29C 45/47 (2006.01) B29C 45/62 (2006.01) F02B 25/22 (2006.01) F02B 33/04 (2006.01) F02B 63/02 (2006.01) F02F 1/00 (2006.01) F02F 1/22 (2006.01) F02M 31/14 (2006.01) F02M 31/18 (2006.01) F02M 69/10 (2006.01) F02B 75/02 (2006.01)
Patent
CA 1297647
ABSTRACT COMBINATION OF AN INJECTING UNIT AND PLASTICIZING UNIT FOR AN INJECTION MOLDING MACHINE The means for locking a horizontal plasticizing cylinder to the carrying block of the injecting unit of an injection molding machine comprises two cylinder-locking sliders, which are disposed on opposite sides of the axis of said cylinder and are radially movable by means of hydraulic cylinders. In a locking position, said sliders extend in diametrically opposite recesses of the plasti- cizing cylinder. A shaft for driving the feed screw of the plasticizing unit comprises a coupling section, which is formed with a radial guide groove, in which a screw- locking slider is radially displaceably mounted. That screw-locking slider is non-rotatably connected to said shaft. A coupling bridge is secured to the upper one of the cylinder-locking sliders. When the feed screw is in a desired angular position said coupling bridge is coupled to the screw-locking slider so that said one cylinder- locking slider and said screw-locking slider are simul- taneously moved to their locking position. Such an ar- rangement will facilitate an automatic change of the plasticizing unit and will also facilitate the manufacture in series and the assembling because an unlocking movement of the screw-locking slider can directly be derived from an unlocking movement of the cylinder-locking slider.
579892
Hehl Karl
Macrae & Co.
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