Crank Shaft Clipping Tool Assembly for Compact Sausage Packaging
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Solution Overview
Problem
Existing clipping machine designs require complex control mechanisms and substantial space, making them inefficient and difficult to implement in compact packaging systems for producing sausage-shaped products.
Innovation Solution
A clipping tool assembly with a simplified and compact drive mechanism using a crank shaft with crank pins, tool arms, and guide slots aligned at specific angles to optimize the sinusoidal moving paths of closing tools, reducing the effort required for control and allowing for safe and efficient closure of tubular packaging casings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If complex control mechanisms are used to move closing tools, then closure precision is improved, but device complexity increases
Solution Approach 1:
The crank shaft mechanism automatically generates the sinusoidal movement paths of the closing tools through its geometric configuration. The guide slots and crank pins work together to self-regulate the motion without requiring external control systems, achieving precise closure while eliminating complex control mechanisms
Solution Approach 2:
The invention changes the motion parameter from linear or rotational movement to sinusoidal movement by configuring the guide slots at specific angles (first angle and second angle) relative to the closing direction. This parameter change enables precise closure control through the natural geometry of the crank shaft mechanism rather than complex control systems
2Reliability
If traditional drive mechanisms are used for closing tools, then closure function is achieved, but space requirements increase
Solution Approach 1:
The invention merges the drive mechanism and guide mechanism into a single integrated crank shaft assembly. The crank pins and guide slots combine the functions of motion generation and path control in one compact unit, reducing the overall space required while maintaining reliable closure function
Solution Approach 2:
The invention introduces angular dimensions (first angle and second angle of guide slots) to control the linear movement of closing tools. By using angular configuration of guide slots instead of linear guide rails, the mechanism achieves the same closure function in a more compact spatial arrangement
3Productivity
If closing tools are moved linearly towards the plait-like portion, then closure efficiency is improved, but frame element stress increases
Solution Approach 1:
The invention transforms the static or linear motion of closing tools into dynamic sinusoidal motion through the crank shaft mechanism. The oscillating movement pattern reduces impact forces and distributes stress over time, maintaining closure efficiency while minimizing peak stresses on frame elements
Solution Approach 2:
The closing tools execute periodic sinusoidal movements rather than continuous linear motion. This periodic action allows for controlled acceleration and deceleration cycles, reducing shock loads on frame elements while maintaining effective closure through repeated controlled contact
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 solution enables a more efficient and compact clipping machine design that reduces the complexity of control mechanisms and space requirements, ensuring reliable closure of packaging casings while maintaining optimal closure forces and minimizing frame element stress.
Implementation Method 1
The drive means include a crank shaft having a central axis and at least a first and a second crank pin. The first tool arm is coupled to the at least first crank pin in the region of its second end; and the second tool arm is coupled to the at least second crank pin in the region of its second end
Implementation Method 2
a first linear guide slot is provided in the region of the second end of the first tool arm, and a second linear guide slot is provided in the region of the second end of the second tool arm, in which the at least first and second crank pins are slidable guided
Data Source
AI summary
The present invention relates to a clipping tool assembly for closing a closure clip in a clipping machine for forming sausages. The clipping tool assembly comprises a first and a second closing tool movable between a closed and an opened position; a drive means for moving the closing tools in a closing direction, the drive means including a crank shaft having a first and a second crank pin. The clipping tool assembly further comprises a first and a second tool arm having first and second ends, with the first and second closing tools being attached to the respective first end, the tool arms being coupled to the crank pins in the region of their second ends. A first and a second linear guide slot is provided in the region of the second end of the tool arms, in which the crank pins are slidable guided.