Perforation Press Plate Holder With Independent Slide Control
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Solution Overview
Problem
Existing perforating presses have limited flexibility in creating perforation patterns, struggle with slow relative sliding of slides, and require frequent stopping of the transmission shaft, leading to reduced productivity and mechanical stress.
Innovation Solution
A perforating press with four rows of punches and independently slidable slides between each row, allowing for precise control of punch engagement and disengagement, facilitated by hydraulic cylinders for rapid movement and a camshaft or crankshaft for efficient punch holder displacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If slides are made slidable relative to each other to engage or disengage rows of punches, then flexibility in perforation patterns is improved, but the sliding process becomes slow requiring temporary stopping of the transmission shaft
Solution Approach 1:
The system is divided into four independent sets of slides, each controlling one row of punches. Each set can be adjusted independently without affecting others, allowing selective engagement of punch rows while maintaining high speed operation without requiring temporary stopping of the transmission shaft.
Solution Approach 2:
The slides are designed with dynamic adjustment capabilities, allowing rapid engagement and disengagement of punch rows during operation. The independent slide mechanisms enable quick reconfiguration of perforation patterns without halting the transmission shaft, transforming a previously static or slow-adjustment system into a dynamic high-speed system.
2Ease of operation
If the transmission shaft is stopped temporarily to engage or disengage punches, then precise control of punch rows is achieved, but productivity is reduced and mechanical loads increase
Solution Approach 1:
The slides are pre-positioned and pre-adjusted to the required configurations before the transmission shaft begins its operation. This preliminary setup allows the punch rows to be engaged or disengaged without stopping the transmission shaft, as all adjustments are made in advance during idle periods or setup phases.
Solution Approach 2:
The traditional mechanical clutch-brake system for stopping the transmission shaft is replaced with an independent slide adjustment mechanism. This substitution eliminates the need for temporary stopping, allowing continuous operation while maintaining precise control over punch row engagement through the independent slide mechanisms.
3Adaptability or versatility
If multiple rows of punches are used to create diverse perforation patterns, then adaptability is improved, but the complexity of the slide mechanism increases
Solution Approach 1:
The complex control system is segmented into four identical, independent sets of slides, each controlling one row of punches. This modular segmentation simplifies the overall complexity by breaking down the control mechanism into manageable, identical units that can be independently adjusted without interfering with each other.
Solution Approach 2:
Each set of slides is designed with universal functionality, capable of controlling one complete row of punches for various perforation patterns. This universality means that the same basic slide mechanism can be replicated four times to control all punch rows, reducing the need for different types of control mechanisms and simplifying the overall system design.
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
Enables diverse and flexible perforation patterns, including local deviations within a single line, with improved productivity and reduced mechanical stress by eliminating the need for clutch brakes.
Implementation Method 1
a set of slides comprising a first slide and a second slide, wherein the second slide is slidable relative to the first slide in a second direction transverse to the first direction, wherein a predetermined volume of oil can be injected into a first hydraulic cylinder to move the second slide relative to the first slide
Implementation Method 2
a camshaft or a crankshaft for moving the punch holder in a stroke direction
Implementation Method 3
a camshaft or a crankshaft for moving the punch holder in a stroke direction
Data Source
AI summary
The present invention relates to a perforating press for perforating sheet material comprising a feeder; a punch holder comprising a first and a second row of punches; a transmission shaft for moving the punch holder in a stroke direction, wherein a set of slides is positioned between each row of punches and the transmission shaft, wherein a set of slides comprises two slides, wherein a slide comprises on a first side an at least partially continuous sawtooth profile, wherein the two slides of a set of slides are positioned with their sawtooth profiles slidably on top of each other; and a discharge means; wherein the punch holder comprises a third and a fourth row of punches and wherein the slides of a set of slides related to any one row of punches are slidable between at least three positions relative to each other independently from the slides of a set of slides related to any other row of punches. The invention also relates to a method and a use.