Blister Tube Separating Element with Movable Circular Blade
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Solution Overview
Problem
Existing devices for processing blister tubes with multiple blister bags lack flexibility and have limited options for efficiently separating individual blister bags from the hose, leading to restricted utility and increased complexity.
Innovation Solution
A device with a guide element and a translationally movable separation element, equipped with a round blade and drive mechanisms, including a belt drive and stepper motor, allows for efficient separation of blister bags along the longitudinal axis, enabling both complete and partial separation of blister bags from the blister hose.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing devices for processing blister tubes are used, then the structure is relatively simple, but the flexibility and separation capability are limited
Solution Approach 1:
The separating element is divided into multiple independent circular blades arranged along the longitudinal axis, allowing selective activation of different blade sections to achieve various separation patterns (complete separation, partial separation, pre-perforation) without requiring multiple complete devices
Solution Approach 2:
The separating element is designed to be translationally movable along the guide element, enabling dynamic adjustment of the cutting position and separation extent. The first drive device allows the separating element to move back and forth, providing flexible control over the separation process adaptability
2Productivity
If manual or external driving of the separating element is used, then the device structure is simpler, but the automation and efficiency are reduced
Solution Approach 1:
The first drive device is integrated into the device structure, enabling the separating element to automatically move along the guide element without external manual intervention. The system serves itself by incorporating the driving mechanism within the device, achieving automated separation operations
Solution Approach 2:
The first drive device combines multiple functions (driving the separating element translationally, controlling blade rotation, and coordinating separation operations) into a single integrated mechanism, reducing overall system complexity while maintaining high automation capability
3Reliability
If a circular blade is used for separation, then the reliability of separation is improved, but the device complexity increases
Solution Approach 1:
Circular blades are used instead of linear cutting edges, providing continuous contact with the blister tube material during rotation. This curved geometry ensures reliable cutting action and complete separation, as the rotating circular blade effectively shears through the material along its entire circumference
Solution Approach 2:
The circular blade rotates periodically to perform the cutting action, with the rotation driven by the first drive device. This periodic rotational motion ensures consistent and reliable separation, as the blade repeatedly engages with the blister tube material in a controlled cyclic manner
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device provides flexible operation, allowing for reliable and precise separation of blister bags with reduced complexity, enabling efficient cutting and separation of blister tubes along their entire width, and facilitating easier manual opening of blister bags.
Implementation Method 1
a separating element (120) arranged to be translationally movable on the guide element (110) for at least partially cutting through the blister tube (200)
Implementation Method 2
the first drive device comprises a drive belt and a belt drive that drives the drive belt
Implementation Method 3
the belt drive comprises an electric motor, in particular a stepper motor, and a gearbox
Implementation Method 4
the belt drive comprises an electric motor, in particular a stepper motor, and a gearbox
Data Source
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AI summary
The invention relates to a device for processing a blister tube comprising several blister bags, in particular for separating blister bags, comprising a guide element and a separating element arranged translationally movable on the guide element for at least partially cutting through the blister tube.