Decelerator

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A Entschrauber is a machine, the screw caps of bottles removed ( Entschraubungsmaschine or Decapper ). The screwdriver is usually part of an industrial filling system for returnable bottles. Unscrewing serves as preparation for cleaning and refilling of bottles. Reliable removal of the closures should ensure that only completely opened bottles are fed to the cleaning machine.

terms and definitions

In DIN 8782 beverage filling technology; Terms for filling systems and individual units are used to define parts of beverage filling systems. Accordingly, a box for holding bottles is a "container".

In DIN 8784 beverage filling technology; Minimum information and order-related information are provided with the machine-specific appendices B - R data sheets for the acquisition of order-related machine data. The name is u. a. "Bottle unscrewing machines".

Container screwdriver

Container unscrewer set

A container wrench removes screw caps from bottles that are in containers (boxes). The containers with the bottles to be unscrewed are fed to the unscrewing machine by means of a container conveyor. With the clocked machines, the containers are stopped for the unscrewing process. A device that is equipped with centering and unscrewing tools (unscrewing heads) moves into the standing container. The heads move over the bottle mouths. The arrangement of the unscrewing heads must correspond to the arrangement of the bottles in the container. A feeler pin in each head is actuated when a lock is present and closes the head. If the bolt is not actuated, the head remains open in order to prevent damage to the bottle thread. The centering presses on the shoulders of the bottles via spring force. This clamps the bottle between the centering device and the bottom of the container to prevent the bottles from turning later. When the lowest position is reached, the heads are set in rotation - the fasteners are unscrewed. In the subsequent upward movement, the unscrewed closures initially remain in the heads. Later, the heads are specifically opened. The closures fall onto a collecting cloth to be finally fed to a container or a cap transport system. As soon as the unscrewing device has moved out of the container, the container is transported on. After unscrewing, the containers are removed via conveyor belts.

Single bottle screwdriver

The bottles to be processed are fed to the individual bottle unscrewers (also known as individual bottle unscrewers) via bottle conveyors. Before this, the bottles delivered in containers must be "unpacked" and separated, which is usually done fully automatically. Single screwdrivers working in rotation work continuously. For this purpose, a certain number of unscrewing heads are arranged in a circle around a central column. These heads rotate around their own axis and at the same time turn around the central column. The number of unscrewing heads determines the performance of the machine. A curve control ensures the defined lowering and opening of the individual rotating heads on their way around the column. The way of the bottles through the machine is similar to an "Ω" (Omega), "U" or the reverse "Z" depending on the version. The bottles are first transferred to the rotary conveyor via an infeed star and at the same time fixed against twisting. During the rotation, a screw-off head is lowered over each bottle mouth. If a closure is present, the head closes, unscrews the closure and holds it in place in the subsequent upward movement. As soon as the head has moved away from the bottle, it is transferred to the discharge star. Meanwhile, the unscrewing head opens on the way between the outfeed and infeed star in order to specifically eject the closure. The head is now ready for the next process. If bottles run through the machine without a cap, the unscrewing heads remain open so as not to damage the bottle thread.

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