Bending Press Stop Mechanism Dynamic Resistance Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing stop devices for bending presses lack the ability to dynamically adjust resistance to displacement based on workpiece parameters, leading to potential misalignment and increased manual intervention.
Innovation Solution
A switchable and controllable retaining device is integrated with the control and regulating system, providing additional resistance to the stop element, allowing for workpiece-dependent displacement resistance adjustment, thereby eliminating the need for manual refitting and preventing incorrect manipulations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed spring arrangement is used for the stop element, then the structure is simple, but the resistance to displacement cannot be adjusted based on workpiece parameters
Solution Approach 1:
The patent applies the dynamics principle by making the retaining device switchable and controllable. The retaining device can be activated or deactivated based on workpiece parameters detected by the sensor element, allowing the resistance to displacement to be dynamically adjusted. This transforms a static spring arrangement into a dynamic system that adapts to different working conditions without requiring complete redesign.
Solution Approach 2:
The patent implements parameter changes by modifying the resistance characteristic of the retaining device through electronic control. The control and regulating device can change the engagement state of the retaining device, thereby changing the resistance parameter from low (when disengaged) to high (when engaged), allowing adaptation to different workpiece types and bending operations.
2Extent of automation
If manual refitting of the stop device is performed, then adjustment flexibility is achieved, but time loss and potential incorrect manipulations occur
Solution Approach 1:
The patent applies the self-service principle by enabling the stop device to automatically configure itself based on sensor input. The sensor element detects workpiece parameters and the control and regulating device automatically adjusts the retaining device state accordingly, eliminating the need for manual intervention. The system serves itself by making real-time adjustments without human involvement.
Solution Approach 2:
The patent implements feedback through the sensor element that continuously monitors workpiece parameters and provides information to the control and regulating device. This feedback loop enables automatic adjustment of the retaining device based on actual working conditions, ensuring optimal performance without manual refitting and preventing incorrect manipulations through automated control.
3Manufacturing precision
If the stop element is easily movable, then positioning speed is high, but positioning precision decreases
Solution Approach 1:
The patent applies preliminary anti-action by having the retaining device pre-positioned in a disengaged state that allows free movement of the stop element during the approach phase. When the workpiece nears the target position, the control system activates the retaining device to engage, providing resistance that ensures precise final positioning. This preliminary preparation of the retaining device state optimizes both speed and precision.
Data Source
AI summary
The invention describes an automatic stop device (1), that can be positioned by means of a control and regulating device of a bending press, in particular an edging press, for positioning a workpiece (6) to be shaped by bending deformation between bending tools (4, 5) arranged opposite one another in a table bar (2) and a bending bar (3) adjustable in relation to the latter. It comprises a stop support slide (13) and a stop support (14) on the latter projecting substantially in perpendicular direction to a bending plane (8) formed by the bending tools (4, 5) and a stop element (15) which forms a finger section and is adjustable in a guiding arrangement (16) running perpendicular to the bending plane (8) relative to the stop support (14) between a position of rest facing the bending plane (8) and a stop position spaced apart from the latter against the effect of a spring arrangement (21). A controllable, switchable retaining device (31) is provided in order to oppose an increased adjusting resistance in the case of a stop movement of the stop element (15).