Label Applying System Rubber Damper Tamp Control
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Solution Overview
Problem
Existing label applying systems with spring-mounted tamp pads face issues such as slow tamp reaction, increased weight, and ineffective energy absorption, leading to poor tamp control and increased complexity.
Innovation Solution
A label applying system that incorporates rubber dampers connecting the tamp pad to the label applying arm, allowing the tamp pad to pivot and absorb impact forces, thereby improving tamp control and reducing system complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If spring-mounted tamp pads are used to allow pivoting, then the tamp pad can adapt to item surfaces, but the springs compress excessively causing slow tamp reaction and poor tamp control
Solution Approach 1:
The patent changes the physical parameters of the connection between tamp pad and arm by using a rigid connection with a hinge joint instead of spring-mounted connections. This allows the tamp pad to pivot through the hinge while maintaining rigid structural support, eliminating excessive compression and improving tamp reaction speed.
Solution Approach 2:
The patent removes the spring elements from the tamp pad connection system entirely, extracting the problematic compliant mounting that caused excessive compression. The pivoting function is achieved through a hinge joint in the rigid arm structure instead, eliminating the slow reaction caused by spring compression.
2Reliability
If stiff springs are used to reduce compression, then tamp control improves, but the springs become heavy increasing weight at the end of the tamp arm
Solution Approach 1:
The patent removes spring elements entirely from the tamp pad connection, eliminating the weight penalty associated with stiff springs. The rigid arm with hinge joint provides both structural support and pivoting capability without adding significant weight to the tamp arm end.
Solution Approach 2:
Instead of using compliant spring elements to achieve pivoting, the patent inverts the approach by using a rigid structure with a hinge joint. This places the pivoting mechanism in the arm structure itself rather than in flexible mountings, achieving both rigidity and rotational freedom.
3Adaptability or versatility
If spring systems are used for tamp pad mounting, then pivoting is enabled, but the quantity of parts and weight increase adversely affecting tamp control
Solution Approach 1:
The patent merges the pivoting function into the rigid arm structure itself through a hinge joint, rather than using separate spring-mounted connections. This integration reduces the number of discrete parts while maintaining the ability of the tamp pad to pivot and adapt to item surfaces.
Solution Approach 2:
The patent removes spring elements and associated mounting hardware from the system, significantly reducing parts quantity. The hinge joint in the rigid arm provides pivoting functionality without requiring separate compliant mounting components.
4Adaptability or versatility
If springs are used to mount the tamp pad, then pivoting is achieved, but energy absorption is ineffective because springs store and release energy causing oscillation
Solution Approach 1:
The patent converts the harmful oscillation caused by spring energy storage into beneficial energy dissipation through friction in the hinge joint. The friction naturally absorbs impact energy without releasing it back as oscillation, turning a potential problem into a solution for impact mitigation.
Solution Approach 2:
The patent replaces the spring-based mechanical energy storage system with a friction-based energy dissipation system in the hinge joint. This substitution eliminates the oscillation problem inherent in spring systems while maintaining pivoting capability.
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 use of rubber dampers enables faster and more controlled label application, reduces the system's weight and complexity, and effectively absorbs impact forces, resulting in improved tamp control and efficiency.
Implementation Method 1
A connection between the tamp pad and the label applying arm comprises at least one rubber damper between the tamp pad and the label applying arm for enabling pivot of the tamp pad and absorbing impact force when the tamp pad contacts the moving item
Implementation Method 2
A connection between the tamp pad and the label applying arm comprises at least one rubber damper between the tamp pad and the label applying arm for enabling pivot of the tamp pad
Data Source
AI summary
A label applying system includes a conveyance path for moving an item in a conveyance direction, and a label applying arm, including a free end with an associated tamp pad, the label applying arm linearly movable toward the conveyance path for applying a label to the moving item on the conveyance path. A connection between the tamp pad and the label applying arm comprises at least one rubber damper between the tamp pad and the label applying arm for enabling pivot of the tamp pad and absorbing impact force when the tamp pad contacts the moving item to apply the label to the moving item.