Drawing Clamp Cam Profile Rapid Attachment Mechanism
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Solution Overview
Problem
Existing drawing assemblies for metal products face challenges in securely and precisely clamping bars with different cross sections and sizes, leading to potential misalignment and increased maintenance costs due to wear and deformation of clamping elements over time.
Innovation Solution
A drawing assembly with a rapid attachment/detachment device featuring a clamping element with a cam profile and an activation element, where the clamping element slides within a hollow, guided by angled flat walls, providing stable and continuous movement, and a thruster with a sliding throat for secure positioning and easy replacement of clamps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a ball is used as the clamping element in the rapid attachment/detachment device, then the clamp can be rapidly changed, but the ball is subject to wear, deformation, and ovality over time, leading to imprecise positioning and reduced reliability
Solution Approach 1:
The clamping element is segmented into a modular quick-release mechanism comprising a clamping arm, release button, and spring assembly. This allows the clamp to be rapidly attached and detached without using a single ball element that wears and deforms, thereby maintaining positioning precision while enabling fast replacement.
Solution Approach 2:
The quick-release clamp mechanism is designed as a disposable or easily replaceable component. When wear or deformation occurs, the entire clamp assembly can be quickly replaced rather than attempting to repair or precision-machine individual ball elements, maintaining reliability without compromising replacement speed.
2Adaptability or versatility
If multiple series of drawing clamps with different recess sizes are produced, then bars with different cross sections can be clamped efficiently, but the device complexity and maintenance costs increase
Solution Approach 1:
The drawing clamp is designed with a universal quick-release mechanism that can accommodate multiple bar cross-sections and sizes through a single clamp design. The clamp features an adjustable or multi-position recess system that provides efficient clamping for various bar types without requiring multiple specialized clamp series, thereby reducing device complexity and maintenance costs while maintaining adaptability.
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
Ensures secure, precise, and efficient clamping of bars with varying sizes and shapes, reducing maintenance costs and time, while maintaining performance over long periods without deformation or misalignment.
Implementation Method 1
The clamping element (20) comprises at least a segment having a cam profile able to cooperate with a mating cam surface of the activation element (21)
Data Source
Figure 1~2
Figure 3~6
AI summary
A drawing assembly for drawing machines for metal products (B) comprises drawing clamps (16), each selectively clampable in a housing seating (17) of a corresponding link (12) of a track (11), and on a corresponding lying plane (P), by means of corresponding rapid attachment/detachment means (19) associated with the link (12). These comprise at least a clamping element (20) and an activation element (21), wherein the clamping element (20) comprises at least a segment (38) having a cam profile (30) able to cooperate with a mating cam surface (34) of the activation element (21). The activation element (21) is mobile in a direction of thrust (S), orthogonal to the median axis (Z) of the clamping element (20), and slides in a hollow (29) of the latter with said cam surface (34) in contact with the cam profile (30) of the clamping element (20).