Patent ID: 8241027
Filing Date: 2012-08-14
Classification: B29C

Abstract:
1. An injection molding machine comprising: a cylinder; a screw inserted into the cylinder; a screw rotation mechanism configured to rotate the screw and comprising an electric motor and a transmission unit which transmits rotation of the motor to the screw; a screw advancement-retraction mechanism which moves the screw along an axis of the screw; a frame supporting the cylinder and comprising a front wall fitted with the cylinder, a rear wall fitted with the screw advancement-retraction mechanism, and a pair of lateral members, left and right, located beside the screw rotation mechanism and connecting the front wall and the rear wall; a pair of supporting members arranged individually along the lateral members of the frame and each comprising a guide member which guides the screw rotation mechanism in moving along an axis of the screw; a fixing portion which fixes one longitudinal end portion of each of the supporting members to the frame; and a movable portion which supports the other end portion of the supporting member for movement relative to each of the lateral members along an axis of the lateral member.