TRAY SEALER
The invention relates to a tray sealer comprising a gripper system configured to tilt trays by means of a tray gripper so as to lift the trays off a collecting belt for conveying them into a sealing station.
1 . A gripper system for a tray sealer, the gripper system comprising:
two gripper arms for picking up trays so as to remove the trays from a collecting belt and introduce them into a sealing station, the gripper arms being configured to laterally grasp the trays, lift them off the collecting belt and transfer them to the sealing station;
wherein each gripper arm includes tray grippers;
wherein the gripper system is configured such that it is able to tilt picked-up trays about a horizontal axis of rotation oriented in a conveying direction.
2 . The gripper system according to claim 1 further comprising an electric motor for tilting the tray grippers about the axis of rotation.
3 . The gripper system according claim 1 , wherein the axis of rotation is an axis of rotation of a rhomboid mechanism, the rhomboid mechanism being configured for moving the gripper arms towards and away from the trays.
4 . The gripper system according to claim 3 , wherein the rhomboid mechanism includes a lever by means of which the tray gripper can be tilted.
5 . The gripper system according to claim 1 further comprising two guide units for the two gripper arms, the guide units being vertically movable by means of an adjustment drive.
6 . The gripper system according to claim 5 , wherein the adjustment drive includes eccentrics.
7 . The gripper system according to claim 5 , wherein the adjustment drive includes an electric motor.