Clip Detection in Sausage Clipping Machines
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Solution Overview
Problem
Existing clipping machines for producing sausage-shaped products face challenges with high production downtime and labor intensity due to the difficulty in detecting the depletion of closure clips, leading to potential production losses and inefficiencies.
Innovation Solution
A clipping machine equipped with a guide unit featuring a sensing device that detects the presence or absence of closure clips, allowing for timely notification of the operator and automatic stopping of the machine to prevent production losses, along with a guide groove system to facilitate the reliable guidance of clips to the clipping device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an operator manually monitors the closure clip supply in existing clipping machines, then the machine can continue running without additional sensors, but the operator cannot detect clip depletion in time leading to production downtime and potential production losses
Solution Approach 1:
The sensing device performs preliminary detection of closure clip presence before the supply is completely depleted. The first sensor element detects when the closure means are present in the guide unit, and the second sensor element detects when they are absent, allowing the operator to refill clips before complete depletion occurs, preventing production downtime
Solution Approach 2:
The sensing device provides continuous feedback about the closure clip supply status to the control unit. The control unit receives signals from the sensor elements and can automatically stop the clipping machine when clips are depleted, preventing production losses and enabling timely refilling operations
2Productivity
If the clipping machine operates at high speed to maintain productivity, then production output increases, but the risk of undetected clip depletion increases leading to sudden production interruptions
Solution Approach 1:
The control unit receives real-time feedback signals from the sensing device during high-speed operation. When the second sensor element detects the absence of closure means, the control unit automatically stops the clipping machine, ensuring operation continuity and preventing sudden interruptions even during high-speed production
Solution Approach 2:
The sensing device performs preliminary detection before clip depletion occurs during high-speed operation. By detecting the absence of closure means in advance, the system can prepare for refilling operations without interrupting the high-speed production flow until absolutely necessary
3Device complexity
If the guide unit is designed with simple structure to reduce complexity, then manufacturing cost decreases, but the guide groove system may not reliably guide clips leading to misalignment and production defects
Solution Approach 1:
The guide unit features a specifically designed guide groove with particular geometric characteristics (longitudinal extension, width, depth) that provide reliable clip guidance. The groove's dimensions and shape are optimized locally to ensure proper clip alignment and positioning, achieving high manufacturing precision without requiring complex overall structure
Solution Approach 2:
The guide groove acts as an intermediary element between the closure means supply and the clipping device. It facilitates reliable clip guidance and positioning through its geometric design, ensuring proper alignment without requiring additional complex guiding mechanisms or components
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The present invention relates to a clipping machine (1) and a method for producing sausage-shaped products (S), like sausages, containing a flowable filling material in a tubular or bag-shaped packaging casing (M), and a guide unit (100) for use in a clipping machine (1). The clipping machine (1) comprises a filling tube (10) for feeding filling material into the tubular or bag-shaped packaging casing (M) stored on the filling tube (10) and being closed at the front end by a closure means (C), like a closure clip, a casing brake assembly (16) arranged on the filling tube (10), for applying a braking force to the tubular or bag-shaped packaging casing (M) while being pulled-off from the filling tube (10), gathering means (30) for gathering the filled tubular or bag-shaped packaging casing (M) and for forming a plait-like portion (P) thereto and a clipping device (20) for placing and closing at least one closure means (C) on the plait-like portion (P) and a guide unit (100) for guiding the closure means (C) towards the clipping device (20). The guide unit (100) comprises at least one sensing device (SD) having a first sensor element (130) determining the presence or absence of a closure means (C) in the guide unit (100).