Patent ID: 9598188
Date: 2017-03-21
CPC Classifications: B29C,B65B

Claim:
1. A packaging machine comprising: a transversal sealing unit of bags comprising: a plate support which comprises a series of additional supports and kinematic organs for horizontal and vertical activation of grippers, wherein one of the grippers is internal and another of the grippers is external, for the sealing and cutting of each bag, and a first and a second motor, respectively mounted on a fixed support, which cause vertical movement of a main carriage and of a gripper carriage, said main carriage supporting two pairs of horizontal and sliding parallel arms that control horizontal movement of the internal gripper and horizontal movement of the external gripper, wherein vertical movement of the grippers to follow movement of a bag is achieved by vertical movement of the main carriage, wherein the main carriage comprises a plate sliding on vertical guides, wherein the gripper carriage slides on a central vertical guide positioned on the main carriage, said main carriage being vertically movable by a screw activated by the first motor, wherein the gripper carriage is vertically moved by a screw activated by the second motor, wherein the plate support comprises a motor support comprising a horizontal plate on which said first and second motors are fixed, and wherein the motor support is also fitted to the two screws, which are kinematically connected to the main carriage and to the gripper carriage.