Film winding system and film stretching unit using such film winding system

A film winding system, a film stretching unit with the following features:

• a film entry area is provided, via which a film web to be wound up can be fed to the film winding system:
• a first winding station is provided, wherein the first winding station is configured in a winding position to wind the film web into a film bale;
• a contact roller and a measuring roller are provided, wherein the contact roller is arranged adjacent to the first winding station in the winding position and is configured to guide the film web to the first winding station;
• the measuring roller is arranged in front of the contact roller in the movement direction of the film web and is configured to guide the film web towards the contact roller;
• a first adjustment device is provided and configured to move the measuring roller relative to the contact roller along a travel path in such a way that a degree of wrapping over which the film web covers the contact roller can be varied, wherein the following features:
• a deflection roller and a second adjustment device are provided;
• the deflection roller is arranged between the film entry area and the measuring roller;
• the second adjustment device is configured to move the deflection roller in the vertical direction in such a way that the film web guided between:
• a) the deflection roller and the measuring roller;
• and/or
• b) the deflection roller and the contact roller can be aligned approximately horizontally.

An assembly of a film stretching unit and the film winding system for a film stretching unit with the following features:

• a film entry area is provided, via which a film web to be wound up can be fed to the film winding system;
• a first winding station is provided, wherein the first winding station is configured in a winding position to wind the film web into a film bale;
• a contact roller and a measuring roller are provided, wherein the contact roller is arranged adjacent to the first winding station in the winding position and is configured to guide the film web to the first winding station;
• the measuring roller is arranged in front of the contact roller in the movement direction of the film web and is configured to guide the film web towards the contact roller;
• a first adjustment device is provided and configured to move the measuring roller relative to the contact roller along a travel path in such a way that a degree of wrapping over which the film web covers the contact roller can be varied, wherein the assembly further comprises:
• a plastic meld is feedable to the film stretching unit at an input area of the film stretching unit;
• the film stretching unit comprises various zones in which the plastic melt is heated and/or stretched to form the film web;
• an exit area of the film stretching unit is connected to the film entry area of the film winding system.